… | |
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16 | * (MINISCM) This is a revised and modified version by Akira KIDA. |
16 | * (MINISCM) This is a revised and modified version by Akira KIDA. |
17 | * (MINISCM) current version is 0.85k4 (15 May 1994) |
17 | * (MINISCM) current version is 0.85k4 (15 May 1994) |
18 | * |
18 | * |
19 | */ |
19 | */ |
20 | |
20 | |
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21 | #define EXPERIMENT 1 |
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22 | |
21 | #define PAGE_SIZE 4096 /* does not work on sparc/alpha */ |
23 | #define PAGE_SIZE 4096 /* does not work on sparc/alpha */ |
22 | #include "malloc.c" |
24 | #include "malloc.c" |
23 | |
25 | |
24 | #define SCHEME_SOURCE |
26 | #define SCHEME_SOURCE |
25 | #include "scheme-private.h" |
27 | #include "scheme-private.h" |
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28 | #endif |
30 | #endif |
29 | #if USE_MATH |
31 | #if USE_MATH |
30 | # include <math.h> |
32 | # include <math.h> |
31 | #endif |
33 | #endif |
32 | |
34 | |
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35 | #include "ecb.h" |
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36 | |
33 | #include <sys/types.h> |
37 | #include <sys/types.h> |
34 | #include <sys/stat.h> |
38 | #include <sys/stat.h> |
35 | #include <fcntl.h> |
39 | #include <fcntl.h> |
36 | |
40 | |
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41 | #if !USE_ERROR_CHECKING |
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42 | # define NDEBUG |
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43 | #endif |
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44 | |
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45 | #include <assert.h> |
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46 | #include <stdlib.h> |
37 | #include <string.h> |
47 | #include <string.h> |
38 | #include <stdlib.h> |
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39 | |
48 | |
40 | #include <limits.h> |
49 | #include <limits.h> |
41 | #include <inttypes.h> |
50 | #include <inttypes.h> |
42 | #include <float.h> |
51 | #include <float.h> |
43 | //#include <ctype.h> |
52 | //#include <ctype.h> |
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53 | |
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54 | #if '1' != '0' + 1 \ |
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55 | || '2' != '0' + 2 || '3' != '0' + 3 || '4' != '0' + 4 || '5' != '0' + 5 \ |
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56 | || '6' != '0' + 6 || '7' != '0' + 7 || '8' != '0' + 8 || '9' != '0' + 9 \ |
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57 | || 'b' != 'a' + 1 || 'c' != 'a' + 2 || 'd' != 'a' + 3 || 'e' != 'a' + 4 \ |
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58 | || 'f' != 'a' + 5 |
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59 | # error "execution character set digits not consecutive" |
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60 | #endif |
44 | |
61 | |
45 | enum { |
62 | enum { |
46 | TOK_EOF, |
63 | TOK_EOF, |
47 | TOK_LPAREN, |
64 | TOK_LPAREN, |
48 | TOK_RPAREN, |
65 | TOK_RPAREN, |
49 | TOK_DOT, |
66 | TOK_DOT, |
50 | TOK_ATOM, |
67 | TOK_ATOM, |
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68 | TOK_DOTATOM, /* atom name starting with '.' */ |
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69 | TOK_STRATOM, /* atom name enclosed in | */ |
51 | TOK_QUOTE, |
70 | TOK_QUOTE, |
52 | TOK_DQUOTE, |
71 | TOK_DQUOTE, |
53 | TOK_BQUOTE, |
72 | TOK_BQUOTE, |
54 | TOK_COMMA, |
73 | TOK_COMMA, |
55 | TOK_ATMARK, |
74 | TOK_ATMARK, |
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57 | TOK_SHARP_CONST, |
76 | TOK_SHARP_CONST, |
58 | TOK_VEC |
77 | TOK_VEC |
59 | }; |
78 | }; |
60 | |
79 | |
61 | #define BACKQUOTE '`' |
80 | #define BACKQUOTE '`' |
62 | #define DELIMITERS "()\";\f\t\v\n\r " |
81 | #define WHITESPACE " \t\r\n\v\f" |
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82 | #define DELIMITERS "()\";" WHITESPACE |
63 | |
83 | |
64 | #define NIL (&SCHEME_V->xNIL) //TODO: make this 0? |
84 | #define NIL (&SCHEME_V->xNIL) |
65 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
85 | #define S_T (&SCHEME_V->xT) |
66 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
86 | #define S_F (&SCHEME_V->xF) |
67 | #define S_SINK (&SCHEME_V->xsink) |
87 | #define S_SINK (&SCHEME_V->xsink) |
68 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
88 | #define S_EOF (&SCHEME_V->xEOF_OBJ) |
69 | |
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70 | /* should use libecb */ |
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71 | #if __GNUC__ >= 4 |
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72 | # define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
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73 | # define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
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74 | # define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
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75 | #endif |
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76 | |
89 | |
77 | #if !USE_MULTIPLICITY |
90 | #if !USE_MULTIPLICITY |
78 | static scheme sc; |
91 | static scheme sc; |
79 | #endif |
92 | #endif |
80 | |
93 | |
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150 | |
163 | |
151 | #define toupper(c) xtoupper (c) |
164 | #define toupper(c) xtoupper (c) |
152 | #define tolower(c) xtolower (c) |
165 | #define tolower(c) xtolower (c) |
153 | #define isdigit(c) xisdigit (c) |
166 | #define isdigit(c) xisdigit (c) |
154 | |
167 | |
155 | #if USE_STRLWR |
168 | #if USE_IGNORECASE |
156 | static const char * |
169 | static const char * |
157 | strlwr (char *s) |
170 | xstrlwr (char *s) |
158 | { |
171 | { |
159 | const char *p = s; |
172 | const char *p = s; |
160 | |
173 | |
161 | while (*s) |
174 | while (*s) |
162 | { |
175 | { |
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164 | s++; |
177 | s++; |
165 | } |
178 | } |
166 | |
179 | |
167 | return p; |
180 | return p; |
168 | } |
181 | } |
169 | #endif |
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170 | |
182 | |
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183 | #define stricmp(a,b) strcasecmp (a, b) |
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184 | #define strlwr(s) xstrlwr (s) |
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185 | |
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186 | #else |
171 | #define stricmp(a,b) strcmp (a, b) |
187 | # define stricmp(a,b) strcmp (a, b) |
172 | #define strlwr(s) (s) |
188 | # define strlwr(s) (s) |
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189 | #endif |
173 | |
190 | |
174 | #ifndef prompt |
191 | #ifndef prompt |
175 | # define prompt "ts> " |
192 | # define prompt "ts> " |
176 | #endif |
193 | #endif |
177 | |
194 | |
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183 | # define FIRST_CELLSEGS 3 |
200 | # define FIRST_CELLSEGS 3 |
184 | #endif |
201 | #endif |
185 | |
202 | |
186 | enum scheme_types |
203 | enum scheme_types |
187 | { |
204 | { |
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205 | T_INTEGER, |
188 | T_FREE, |
206 | T_REAL, |
189 | T_STRING, |
207 | T_STRING, |
190 | T_NUMBER, |
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191 | T_SYMBOL, |
208 | T_SYMBOL, |
192 | T_PROC, |
209 | T_PROC, |
193 | T_PAIR, |
210 | T_PAIR, /* also used for free cells */ |
194 | T_CLOSURE, |
211 | T_CLOSURE, |
195 | T_CONTINUATION, |
212 | T_CONTINUATION, |
196 | T_FOREIGN, |
213 | T_FOREIGN, |
197 | T_CHARACTER, |
214 | T_CHARACTER, |
198 | T_PORT, |
215 | T_PORT, |
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208 | #define T_SYNTAX 0x0010 |
225 | #define T_SYNTAX 0x0010 |
209 | #define T_IMMUTABLE 0x0020 |
226 | #define T_IMMUTABLE 0x0020 |
210 | #define T_ATOM 0x0040 /* only for gc */ |
227 | #define T_ATOM 0x0040 /* only for gc */ |
211 | #define T_MARK 0x0080 /* only for gc */ |
228 | #define T_MARK 0x0080 /* only for gc */ |
212 | |
229 | |
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230 | /* num, for generic arithmetic */ |
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231 | struct num |
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232 | { |
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233 | IVALUE ivalue; |
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234 | #if USE_REAL |
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235 | RVALUE rvalue; |
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236 | char is_fixnum; |
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237 | #endif |
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238 | }; |
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239 | |
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240 | #if USE_REAL |
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241 | # define num_is_fixnum(n) (n).is_fixnum |
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242 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
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243 | # define num_ivalue(n) (n).ivalue |
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244 | # define num_rvalue(n) (n).rvalue |
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245 | # define num_set_ivalue(n,i) (n).rvalue = (n).ivalue = (i) |
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246 | # define num_set_rvalue(n,r) (n).rvalue = (r) |
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247 | #else |
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248 | # define num_is_fixnum(n) 1 |
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249 | # define num_set_fixnum(n,f) 0 |
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250 | # define num_ivalue(n) (n).ivalue |
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251 | # define num_rvalue(n) (n).ivalue |
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252 | # define num_set_ivalue(n,i) (n).ivalue = (i) |
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253 | # define num_set_rvalue(n,r) (n).ivalue = (r) |
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254 | #endif |
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255 | |
213 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
256 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
214 | |
257 | |
215 | static num num_op (enum num_op op, num a, num b); |
258 | static num num_op (enum num_op op, num a, num b); |
216 | static num num_intdiv (num a, num b); |
259 | static num num_intdiv (num a, num b); |
217 | static num num_rem (num a, num b); |
260 | static num num_rem (num a, num b); |
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220 | #if USE_MATH |
263 | #if USE_MATH |
221 | static double round_per_R5RS (double x); |
264 | static double round_per_R5RS (double x); |
222 | #endif |
265 | #endif |
223 | static int is_zero_rvalue (RVALUE x); |
266 | static int is_zero_rvalue (RVALUE x); |
224 | |
267 | |
225 | static INLINE int |
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226 | num_is_integer (pointer p) |
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227 | { |
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228 | return num_is_fixnum (p->object.number); |
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229 | } |
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230 | |
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231 | static num num_zero; |
268 | static num num_zero; |
232 | static num num_one; |
269 | static num num_one; |
233 | |
270 | |
234 | /* macros for cell operations */ |
271 | /* macros for cell operations */ |
235 | #define typeflag(p) ((p)->flag + 0) |
272 | #define typeflag(p) ((p)->flag + 0) |
236 | #define set_typeflag(p,v) ((p)->flag = (v)) |
273 | #define set_typeflag(p,v) ((p)->flag = (v)) |
237 | #define type(p) (typeflag (p) & T_MASKTYPE) |
274 | #define type(p) (typeflag (p) & T_MASKTYPE) |
238 | |
275 | |
239 | INTERFACE INLINE int |
276 | INTERFACE int |
240 | is_string (pointer p) |
277 | is_string (pointer p) |
241 | { |
278 | { |
242 | return type (p) == T_STRING; |
279 | return type (p) == T_STRING; |
243 | } |
280 | } |
244 | |
281 | |
245 | #define strvalue(p) ((p)->object.string.svalue) |
282 | #define strvalue(p) ((p)->object.string.svalue) |
246 | #define strlength(p) ((p)->object.string.length) |
283 | #define strlength(p) ((p)->object.string.length) |
247 | |
284 | |
248 | INTERFACE int is_list (SCHEME_P_ pointer p); |
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249 | INTERFACE INLINE int |
285 | INTERFACE int |
250 | is_vector (pointer p) |
286 | is_vector (pointer p) |
251 | { |
287 | { |
252 | return type (p) == T_VECTOR; |
288 | return type (p) == T_VECTOR; |
253 | } |
289 | } |
254 | |
290 | |
255 | #define vecvalue(p) ((p)->object.vector.vvalue) |
291 | #define vecvalue(p) ((p)->object.vector.vvalue) |
256 | #define veclength(p) ((p)->object.vector.length) |
292 | #define veclength(p) ((p)->object.vector.length) |
257 | INTERFACE void fill_vector (pointer vec, pointer obj); |
293 | INTERFACE void fill_vector (pointer vec, uint32_t start, pointer obj); |
258 | INTERFACE uint32_t vector_length (pointer vec); |
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259 | INTERFACE pointer vector_elem (pointer vec, uint32_t ielem); |
294 | INTERFACE pointer vector_get (pointer vec, uint32_t ielem); |
260 | INTERFACE void set_vector_elem (pointer vec, uint32_t ielem, pointer a); |
295 | INTERFACE void vector_set (pointer vec, uint32_t ielem, pointer a); |
261 | |
296 | |
262 | INTERFACE uint32_t |
297 | INTERFACE int |
263 | vector_length (pointer vec) |
298 | is_integer (pointer p) |
264 | { |
299 | { |
265 | return vec->object.vector.length; |
300 | return type (p) == T_INTEGER; |
266 | } |
301 | } |
267 | |
302 | |
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303 | /* not the same as in scheme, where integers are (correctly :) reals */ |
268 | INTERFACE INLINE int |
304 | INTERFACE int |
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305 | is_real (pointer p) |
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306 | { |
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307 | return type (p) == T_REAL; |
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308 | } |
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309 | |
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310 | INTERFACE int |
269 | is_number (pointer p) |
311 | is_number (pointer p) |
270 | { |
312 | { |
271 | return type (p) == T_NUMBER; |
313 | return is_integer (p) || is_real (p); |
272 | } |
314 | } |
273 | |
315 | |
274 | INTERFACE INLINE int |
316 | INTERFACE int |
275 | is_integer (pointer p) |
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276 | { |
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277 | if (!is_number (p)) |
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278 | return 0; |
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279 | |
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280 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
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281 | return 1; |
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282 | |
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283 | return 0; |
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284 | } |
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285 | |
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286 | INTERFACE INLINE int |
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287 | is_real (pointer p) |
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288 | { |
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289 | return is_number (p) && !num_is_fixnum (p->object.number); |
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290 | } |
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291 | |
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292 | INTERFACE INLINE int |
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293 | is_character (pointer p) |
317 | is_character (pointer p) |
294 | { |
318 | { |
295 | return type (p) == T_CHARACTER; |
319 | return type (p) == T_CHARACTER; |
296 | } |
320 | } |
297 | |
321 | |
298 | INTERFACE INLINE char * |
322 | INTERFACE char * |
299 | string_value (pointer p) |
323 | string_value (pointer p) |
300 | { |
324 | { |
301 | return strvalue (p); |
325 | return strvalue (p); |
302 | } |
326 | } |
303 | |
327 | |
304 | INLINE num |
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305 | nvalue (pointer p) |
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306 | { |
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307 | return (p)->object.number; |
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308 | } |
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309 | |
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310 | static IVALUE |
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311 | num_get_ivalue (const num n) |
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312 | { |
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313 | return num_is_fixnum (n) ? num_ivalue (n) : (IVALUE)num_rvalue (n); |
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314 | } |
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315 | |
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316 | static RVALUE |
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317 | num_get_rvalue (const num n) |
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318 | { |
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319 | return num_is_fixnum (n) ? (RVALUE)num_ivalue (n) : num_rvalue (n); |
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320 | } |
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321 | |
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322 | INTERFACE IVALUE |
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323 | ivalue (pointer p) |
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324 | { |
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325 | return num_get_ivalue (p->object.number); |
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326 | } |
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327 | |
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328 | INTERFACE RVALUE |
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329 | rvalue (pointer p) |
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330 | { |
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331 | return num_get_rvalue (p->object.number); |
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332 | } |
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333 | |
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334 | #define ivalue_unchecked(p) ((p)->object.number.value.ivalue) |
328 | #define ivalue_unchecked(p) (p)->object.ivalue |
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329 | #define set_ivalue(p,v) (p)->object.ivalue = (v) |
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330 | |
335 | #if USE_REAL |
331 | #if USE_REAL |
336 | # define rvalue_unchecked(p) ((p)->object.number.value.rvalue) |
332 | #define rvalue_unchecked(p) (p)->object.rvalue |
337 | # define set_num_integer(p) (p)->object.number.is_fixnum=1; |
333 | #define set_rvalue(p,v) (p)->object.rvalue = (v) |
338 | # define set_num_real(p) (p)->object.number.is_fixnum=0; |
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339 | #else |
334 | #else |
340 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
335 | #define rvalue_unchecked(p) (p)->object.ivalue |
341 | # define set_num_integer(p) 0 |
336 | #define set_rvalue(p,v) (p)->object.ivalue = (v) |
342 | # define set_num_real(p) 0 |
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343 | #endif |
337 | #endif |
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338 | |
344 | INTERFACE long |
339 | INTERFACE long |
345 | charvalue (pointer p) |
340 | charvalue (pointer p) |
346 | { |
341 | { |
347 | return ivalue_unchecked (p); |
342 | return ivalue_unchecked (p); |
348 | } |
343 | } |
349 | |
344 | |
350 | INTERFACE INLINE int |
345 | INTERFACE int |
351 | is_port (pointer p) |
346 | is_port (pointer p) |
352 | { |
347 | { |
353 | return type (p) == T_PORT; |
348 | return type (p) == T_PORT; |
354 | } |
349 | } |
355 | |
350 | |
356 | INTERFACE INLINE int |
351 | INTERFACE int |
357 | is_inport (pointer p) |
352 | is_inport (pointer p) |
358 | { |
353 | { |
359 | return is_port (p) && p->object.port->kind & port_input; |
354 | return is_port (p) && p->object.port->kind & port_input; |
360 | } |
355 | } |
361 | |
356 | |
362 | INTERFACE INLINE int |
357 | INTERFACE int |
363 | is_outport (pointer p) |
358 | is_outport (pointer p) |
364 | { |
359 | { |
365 | return is_port (p) && p->object.port->kind & port_output; |
360 | return is_port (p) && p->object.port->kind & port_output; |
366 | } |
361 | } |
367 | |
362 | |
368 | INTERFACE INLINE int |
363 | INTERFACE int |
369 | is_pair (pointer p) |
364 | is_pair (pointer p) |
370 | { |
365 | { |
371 | return type (p) == T_PAIR; |
366 | return type (p) == T_PAIR; |
372 | } |
367 | } |
373 | |
368 | |
… | |
… | |
405 | pair_cdr (pointer p) |
400 | pair_cdr (pointer p) |
406 | { |
401 | { |
407 | return cdr (p); |
402 | return cdr (p); |
408 | } |
403 | } |
409 | |
404 | |
410 | INTERFACE INLINE int |
405 | INTERFACE int |
411 | is_symbol (pointer p) |
406 | is_symbol (pointer p) |
412 | { |
407 | { |
413 | return type (p) == T_SYMBOL; |
408 | return type (p) == T_SYMBOL; |
414 | } |
409 | } |
415 | |
410 | |
416 | INTERFACE INLINE char * |
411 | INTERFACE char * |
417 | symname (pointer p) |
412 | symname (pointer p) |
418 | { |
413 | { |
419 | return strvalue (car (p)); |
414 | return strvalue (p); |
420 | } |
415 | } |
421 | |
416 | |
422 | #if USE_PLIST |
417 | #if USE_PLIST |
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418 | #error plists are broken because symbols are no longer pairs |
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419 | #define symprop(p) cdr(p) |
423 | SCHEME_EXPORT INLINE int |
420 | SCHEME_EXPORT int |
424 | hasprop (pointer p) |
421 | hasprop (pointer p) |
425 | { |
422 | { |
426 | return typeflag (p) & T_SYMBOL; |
423 | return typeflag (p) & T_SYMBOL; |
427 | } |
424 | } |
428 | |
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429 | # define symprop(p) cdr(p) |
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430 | #endif |
425 | #endif |
431 | |
426 | |
432 | INTERFACE INLINE int |
427 | INTERFACE int |
433 | is_syntax (pointer p) |
428 | is_syntax (pointer p) |
434 | { |
429 | { |
435 | return typeflag (p) & T_SYNTAX; |
430 | return typeflag (p) & T_SYNTAX; |
436 | } |
431 | } |
437 | |
432 | |
438 | INTERFACE INLINE int |
433 | INTERFACE int |
439 | is_proc (pointer p) |
434 | is_proc (pointer p) |
440 | { |
435 | { |
441 | return type (p) == T_PROC; |
436 | return type (p) == T_PROC; |
442 | } |
437 | } |
443 | |
438 | |
444 | INTERFACE INLINE int |
439 | INTERFACE int |
445 | is_foreign (pointer p) |
440 | is_foreign (pointer p) |
446 | { |
441 | { |
447 | return type (p) == T_FOREIGN; |
442 | return type (p) == T_FOREIGN; |
448 | } |
443 | } |
449 | |
444 | |
450 | INTERFACE INLINE char * |
445 | INTERFACE char * |
451 | syntaxname (pointer p) |
446 | syntaxname (pointer p) |
452 | { |
447 | { |
453 | return strvalue (car (p)); |
448 | return strvalue (p); |
454 | } |
449 | } |
455 | |
450 | |
456 | #define procnum(p) ivalue (p) |
451 | #define procnum(p) ivalue_unchecked (p) |
457 | static const char *procname (pointer x); |
452 | static const char *procname (pointer x); |
458 | |
453 | |
459 | INTERFACE INLINE int |
454 | INTERFACE int |
460 | is_closure (pointer p) |
455 | is_closure (pointer p) |
461 | { |
456 | { |
462 | return type (p) == T_CLOSURE; |
457 | return type (p) == T_CLOSURE; |
463 | } |
458 | } |
464 | |
459 | |
465 | INTERFACE INLINE int |
460 | INTERFACE int |
466 | is_macro (pointer p) |
461 | is_macro (pointer p) |
467 | { |
462 | { |
468 | return type (p) == T_MACRO; |
463 | return type (p) == T_MACRO; |
469 | } |
464 | } |
470 | |
465 | |
471 | INTERFACE INLINE pointer |
466 | INTERFACE pointer |
472 | closure_code (pointer p) |
467 | closure_code (pointer p) |
473 | { |
468 | { |
474 | return car (p); |
469 | return car (p); |
475 | } |
470 | } |
476 | |
471 | |
477 | INTERFACE INLINE pointer |
472 | INTERFACE pointer |
478 | closure_env (pointer p) |
473 | closure_env (pointer p) |
479 | { |
474 | { |
480 | return cdr (p); |
475 | return cdr (p); |
481 | } |
476 | } |
482 | |
477 | |
483 | INTERFACE INLINE int |
478 | INTERFACE int |
484 | is_continuation (pointer p) |
479 | is_continuation (pointer p) |
485 | { |
480 | { |
486 | return type (p) == T_CONTINUATION; |
481 | return type (p) == T_CONTINUATION; |
487 | } |
482 | } |
488 | |
483 | |
489 | #define cont_dump(p) cdr (p) |
484 | #define cont_dump(p) cdr (p) |
490 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
485 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
491 | |
486 | |
492 | /* To do: promise should be forced ONCE only */ |
487 | /* To do: promise should be forced ONCE only */ |
493 | INTERFACE INLINE int |
488 | INTERFACE int |
494 | is_promise (pointer p) |
489 | is_promise (pointer p) |
495 | { |
490 | { |
496 | return type (p) == T_PROMISE; |
491 | return type (p) == T_PROMISE; |
497 | } |
492 | } |
498 | |
493 | |
499 | INTERFACE INLINE int |
494 | INTERFACE int |
500 | is_environment (pointer p) |
495 | is_environment (pointer p) |
501 | { |
496 | { |
502 | return type (p) == T_ENVIRONMENT; |
497 | return type (p) == T_ENVIRONMENT; |
503 | } |
498 | } |
504 | |
499 | |
… | |
… | |
510 | |
505 | |
511 | #define is_mark(p) (typeflag (p) & T_MARK) |
506 | #define is_mark(p) (typeflag (p) & T_MARK) |
512 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
507 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
513 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
508 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
514 | |
509 | |
515 | INTERFACE INLINE int |
510 | INTERFACE int |
516 | is_immutable (pointer p) |
511 | is_immutable (pointer p) |
517 | { |
512 | { |
518 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
513 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
519 | } |
514 | } |
520 | |
515 | |
521 | INTERFACE INLINE void |
516 | INTERFACE void |
522 | setimmutable (pointer p) |
517 | setimmutable (pointer p) |
523 | { |
518 | { |
524 | #if USE_ERROR_CHECKING |
519 | #if USE_ERROR_CHECKING |
525 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
520 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
526 | #endif |
521 | #endif |
527 | } |
522 | } |
528 | |
523 | |
|
|
524 | /* Result is: |
|
|
525 | proper list: length |
|
|
526 | circular list: -1 |
|
|
527 | not even a pair: -2 |
|
|
528 | dotted list: -2 minus length before dot |
|
|
529 | */ |
|
|
530 | INTERFACE int |
|
|
531 | list_length (SCHEME_P_ pointer a) |
|
|
532 | { |
|
|
533 | int i = 0; |
|
|
534 | pointer slow, fast; |
|
|
535 | |
|
|
536 | slow = fast = a; |
|
|
537 | |
|
|
538 | while (1) |
|
|
539 | { |
|
|
540 | if (fast == NIL) |
|
|
541 | return i; |
|
|
542 | |
|
|
543 | if (!is_pair (fast)) |
|
|
544 | return -2 - i; |
|
|
545 | |
|
|
546 | fast = cdr (fast); |
|
|
547 | ++i; |
|
|
548 | |
|
|
549 | if (fast == NIL) |
|
|
550 | return i; |
|
|
551 | |
|
|
552 | if (!is_pair (fast)) |
|
|
553 | return -2 - i; |
|
|
554 | |
|
|
555 | ++i; |
|
|
556 | fast = cdr (fast); |
|
|
557 | |
|
|
558 | /* Safe because we would have already returned if `fast' |
|
|
559 | encountered a non-pair. */ |
|
|
560 | slow = cdr (slow); |
|
|
561 | |
|
|
562 | if (fast == slow) |
|
|
563 | { |
|
|
564 | /* the fast pointer has looped back around and caught up |
|
|
565 | with the slow pointer, hence the structure is circular, |
|
|
566 | not of finite length, and therefore not a list */ |
|
|
567 | return -1; |
|
|
568 | } |
|
|
569 | } |
|
|
570 | } |
|
|
571 | |
|
|
572 | INTERFACE int |
|
|
573 | is_list (SCHEME_P_ pointer a) |
|
|
574 | { |
|
|
575 | return list_length (SCHEME_A_ a) >= 0; |
|
|
576 | } |
|
|
577 | |
529 | #if USE_CHAR_CLASSIFIERS |
578 | #if USE_CHAR_CLASSIFIERS |
530 | static INLINE int |
579 | ecb_inline int |
531 | Cisalpha (int c) |
580 | Cisalpha (int c) |
532 | { |
581 | { |
533 | return isascii (c) && isalpha (c); |
582 | return isascii (c) && isalpha (c); |
534 | } |
583 | } |
535 | |
584 | |
536 | static INLINE int |
585 | ecb_inline int |
537 | Cisdigit (int c) |
586 | Cisdigit (int c) |
538 | { |
587 | { |
539 | return isascii (c) && isdigit (c); |
588 | return isascii (c) && isdigit (c); |
540 | } |
589 | } |
541 | |
590 | |
542 | static INLINE int |
591 | ecb_inline int |
543 | Cisspace (int c) |
592 | Cisspace (int c) |
544 | { |
593 | { |
545 | return isascii (c) && isspace (c); |
594 | return isascii (c) && isspace (c); |
546 | } |
595 | } |
547 | |
596 | |
548 | static INLINE int |
597 | ecb_inline int |
549 | Cisupper (int c) |
598 | Cisupper (int c) |
550 | { |
599 | { |
551 | return isascii (c) && isupper (c); |
600 | return isascii (c) && isupper (c); |
552 | } |
601 | } |
553 | |
602 | |
554 | static INLINE int |
603 | ecb_inline int |
555 | Cislower (int c) |
604 | Cislower (int c) |
556 | { |
605 | { |
557 | return isascii (c) && islower (c); |
606 | return isascii (c) && islower (c); |
558 | } |
607 | } |
559 | #endif |
608 | #endif |
… | |
… | |
620 | #endif |
669 | #endif |
621 | |
670 | |
622 | static int file_push (SCHEME_P_ const char *fname); |
671 | static int file_push (SCHEME_P_ const char *fname); |
623 | static void file_pop (SCHEME_P); |
672 | static void file_pop (SCHEME_P); |
624 | static int file_interactive (SCHEME_P); |
673 | static int file_interactive (SCHEME_P); |
625 | static INLINE int is_one_of (char *s, int c); |
674 | ecb_inline int is_one_of (const char *s, int c); |
626 | static int alloc_cellseg (SCHEME_P_ int n); |
675 | static int alloc_cellseg (SCHEME_P_ int n); |
627 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
676 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
628 | static void finalize_cell (SCHEME_P_ pointer a); |
677 | static void finalize_cell (SCHEME_P_ pointer a); |
629 | static int count_consecutive_cells (pointer x, int needed); |
678 | static int count_consecutive_cells (pointer x, int needed); |
630 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
679 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
631 | static pointer mk_number (SCHEME_P_ const num n); |
680 | static pointer mk_number (SCHEME_P_ const num n); |
632 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
681 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
… | |
… | |
647 | static void mark (pointer a); |
696 | static void mark (pointer a); |
648 | static void gc (SCHEME_P_ pointer a, pointer b); |
697 | static void gc (SCHEME_P_ pointer a, pointer b); |
649 | static int basic_inchar (port *pt); |
698 | static int basic_inchar (port *pt); |
650 | static int inchar (SCHEME_P); |
699 | static int inchar (SCHEME_P); |
651 | static void backchar (SCHEME_P_ int c); |
700 | static void backchar (SCHEME_P_ int c); |
652 | static char *readstr_upto (SCHEME_P_ char *delim); |
701 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
653 | static pointer readstrexp (SCHEME_P); |
702 | static pointer readstrexp (SCHEME_P_ char delim); |
654 | static INLINE int skipspace (SCHEME_P); |
703 | ecb_inline int skipspace (SCHEME_P); |
655 | static int token (SCHEME_P); |
704 | static int token (SCHEME_P); |
656 | static void printslashstring (SCHEME_P_ char *s, int len); |
705 | static void printslashstring (SCHEME_P_ char *s, int len); |
657 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
706 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
658 | static void printatom (SCHEME_P_ pointer l, int f); |
707 | static void printatom (SCHEME_P_ pointer l, int f); |
659 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
708 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
663 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
712 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
664 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
713 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
665 | static pointer ss_get_cont (SCHEME_P); |
714 | static pointer ss_get_cont (SCHEME_P); |
666 | static void ss_set_cont (SCHEME_P_ pointer cont); |
715 | static void ss_set_cont (SCHEME_P_ pointer cont); |
667 | static void dump_stack_mark (SCHEME_P); |
716 | static void dump_stack_mark (SCHEME_P); |
668 | static pointer opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
717 | static int opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
|
|
718 | static int opexe_1 (SCHEME_P_ enum scheme_opcodes op); |
669 | static pointer opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
719 | static int opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
670 | static pointer opexe_r (SCHEME_P_ enum scheme_opcodes op); |
|
|
671 | static pointer opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
720 | static int opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
672 | static pointer opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
721 | static int opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
673 | static pointer opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
722 | static int opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
674 | static pointer opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
723 | static int opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
675 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
724 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
676 | static void assign_syntax (SCHEME_P_ const char *name); |
725 | static void assign_syntax (SCHEME_P_ const char *name); |
677 | static int syntaxnum (pointer p); |
726 | static int syntaxnum (pointer p); |
678 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
727 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
679 | |
728 | |
|
|
729 | static IVALUE |
|
|
730 | ivalue (pointer x) |
|
|
731 | { |
|
|
732 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
733 | } |
|
|
734 | |
|
|
735 | static RVALUE |
|
|
736 | rvalue (pointer x) |
|
|
737 | { |
|
|
738 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
739 | } |
|
|
740 | |
|
|
741 | INTERFACE num |
|
|
742 | nvalue (pointer x) |
|
|
743 | { |
|
|
744 | num n; |
|
|
745 | |
|
|
746 | num_set_fixnum (n, is_integer (x)); |
|
|
747 | |
|
|
748 | if (num_is_fixnum (n)) |
|
|
749 | num_set_ivalue (n, ivalue_unchecked (x)); |
|
|
750 | else |
|
|
751 | num_set_rvalue (n, rvalue_unchecked (x)); |
|
|
752 | |
|
|
753 | return n; |
|
|
754 | } |
|
|
755 | |
680 | static num |
756 | static num |
681 | num_op (enum num_op op, num a, num b) |
757 | num_op (enum num_op op, num a, num b) |
682 | { |
758 | { |
683 | num ret; |
759 | num ret; |
684 | |
760 | |
685 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
761 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
686 | |
762 | |
687 | if (num_is_fixnum (ret)) |
763 | if (num_is_fixnum (ret)) |
688 | { |
764 | { |
689 | IVALUE av = num_get_ivalue (a); |
|
|
690 | IVALUE bv = num_get_ivalue (b); |
|
|
691 | |
|
|
692 | switch (op) |
765 | switch (op) |
693 | { |
766 | { |
694 | case NUM_ADD: av += bv; break; |
767 | case NUM_ADD: a.ivalue += b.ivalue; break; |
695 | case NUM_SUB: av -= bv; break; |
768 | case NUM_SUB: a.ivalue -= b.ivalue; break; |
696 | case NUM_MUL: av *= bv; break; |
769 | case NUM_MUL: a.ivalue *= b.ivalue; break; |
697 | case NUM_INTDIV: av /= bv; break; |
770 | case NUM_INTDIV: a.ivalue /= b.ivalue; break; |
698 | } |
771 | } |
699 | |
772 | |
700 | num_set_ivalue (ret, av); |
773 | num_set_ivalue (ret, a.ivalue); |
701 | } |
774 | } |
|
|
775 | #if USE_REAL |
702 | else |
776 | else |
703 | { |
777 | { |
704 | RVALUE av = num_get_rvalue (a); |
|
|
705 | RVALUE bv = num_get_rvalue (b); |
|
|
706 | |
|
|
707 | switch (op) |
778 | switch (op) |
708 | { |
779 | { |
709 | case NUM_ADD: av += bv; break; |
780 | case NUM_ADD: a.rvalue += b.rvalue; break; |
710 | case NUM_SUB: av -= bv; break; |
781 | case NUM_SUB: a.rvalue -= b.rvalue; break; |
711 | case NUM_MUL: av *= bv; break; |
782 | case NUM_MUL: a.rvalue *= b.rvalue; break; |
712 | case NUM_INTDIV: av /= bv; break; |
783 | case NUM_INTDIV: a.rvalue /= b.rvalue; break; |
713 | } |
784 | } |
714 | |
785 | |
715 | num_set_rvalue (ret, av); |
786 | num_set_rvalue (ret, a.rvalue); |
716 | } |
787 | } |
|
|
788 | #endif |
717 | |
789 | |
718 | return ret; |
790 | return ret; |
719 | } |
791 | } |
720 | |
792 | |
721 | static num |
793 | static num |
722 | num_div (num a, num b) |
794 | num_div (num a, num b) |
723 | { |
795 | { |
724 | num ret; |
796 | num ret; |
725 | |
797 | |
726 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_get_ivalue (a) % num_get_ivalue (b) == 0); |
798 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_ivalue (a) % num_ivalue (b) == 0); |
727 | |
799 | |
728 | if (num_is_fixnum (ret)) |
800 | if (num_is_fixnum (ret)) |
729 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
801 | num_set_ivalue (ret, num_ivalue (a) / num_ivalue (b)); |
730 | else |
802 | else |
731 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
803 | num_set_rvalue (ret, num_rvalue (a) / num_rvalue (b)); |
732 | |
804 | |
733 | return ret; |
805 | return ret; |
734 | } |
806 | } |
735 | |
807 | |
736 | static num |
808 | static num |
… | |
… | |
738 | { |
810 | { |
739 | num ret; |
811 | num ret; |
740 | long e1, e2, res; |
812 | long e1, e2, res; |
741 | |
813 | |
742 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
814 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
743 | e1 = num_get_ivalue (a); |
815 | e1 = num_ivalue (a); |
744 | e2 = num_get_ivalue (b); |
816 | e2 = num_ivalue (b); |
745 | res = e1 % e2; |
817 | res = e1 % e2; |
746 | |
818 | |
747 | /* remainder should have same sign as second operand */ |
819 | /* remainder should have same sign as second operand */ |
748 | if (res > 0) |
820 | if (res > 0) |
749 | { |
821 | { |
… | |
… | |
765 | { |
837 | { |
766 | num ret; |
838 | num ret; |
767 | long e1, e2, res; |
839 | long e1, e2, res; |
768 | |
840 | |
769 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
841 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
770 | e1 = num_get_ivalue (a); |
842 | e1 = num_ivalue (a); |
771 | e2 = num_get_ivalue (b); |
843 | e2 = num_ivalue (b); |
772 | res = e1 % e2; |
844 | res = e1 % e2; |
773 | |
845 | |
774 | /* modulo should have same sign as second operand */ |
846 | /* modulo should have same sign as second operand */ |
775 | if (res * e2 < 0) |
847 | if (res * e2 < 0) |
776 | res += e2; |
848 | res += e2; |
777 | |
849 | |
778 | num_set_ivalue (ret, res); |
850 | num_set_ivalue (ret, res); |
779 | return ret; |
851 | return ret; |
780 | } |
852 | } |
781 | |
853 | |
782 | /* this completely disrespects NaNs */ |
854 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
783 | static int |
855 | static int |
784 | num_cmp (num a, num b) |
856 | num_cmp (num a, num b) |
785 | { |
857 | { |
786 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
858 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
787 | int ret; |
859 | int ret; |
788 | |
860 | |
789 | if (is_fixnum) |
861 | if (is_fixnum) |
790 | { |
862 | { |
791 | IVALUE av = num_get_ivalue (a); |
863 | IVALUE av = num_ivalue (a); |
792 | IVALUE bv = num_get_ivalue (b); |
864 | IVALUE bv = num_ivalue (b); |
793 | |
865 | |
794 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
866 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
795 | } |
867 | } |
796 | else |
868 | else |
797 | { |
869 | { |
798 | RVALUE av = num_get_rvalue (a); |
870 | RVALUE av = num_rvalue (a); |
799 | RVALUE bv = num_get_rvalue (b); |
871 | RVALUE bv = num_rvalue (b); |
800 | |
872 | |
801 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
873 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
802 | } |
874 | } |
803 | |
875 | |
804 | return ret; |
876 | return ret; |
… | |
… | |
819 | return ce; |
891 | return ce; |
820 | else if (dfl < dce) |
892 | else if (dfl < dce) |
821 | return fl; |
893 | return fl; |
822 | else |
894 | else |
823 | { |
895 | { |
824 | if (fmod (fl, 2.0) == 0.0) /* I imagine this holds */ |
896 | if (fmod (fl, 2) == 0) /* I imagine this holds */ |
825 | return fl; |
897 | return fl; |
826 | else |
898 | else |
827 | return ce; |
899 | return ce; |
828 | } |
900 | } |
829 | } |
901 | } |
830 | #endif |
902 | #endif |
831 | |
903 | |
832 | static int |
904 | static int |
833 | is_zero_rvalue (RVALUE x) |
905 | is_zero_rvalue (RVALUE x) |
834 | { |
906 | { |
|
|
907 | return x == 0; |
|
|
908 | #if 0 |
835 | #if USE_REAL |
909 | #if USE_REAL |
836 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
910 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
837 | #else |
911 | #else |
838 | return x == 0; |
912 | return x == 0; |
|
|
913 | #endif |
839 | #endif |
914 | #endif |
840 | } |
915 | } |
841 | |
916 | |
842 | /* allocate new cell segment */ |
917 | /* allocate new cell segment */ |
843 | static int |
918 | static int |
… | |
… | |
864 | return k; |
939 | return k; |
865 | |
940 | |
866 | i = ++SCHEME_V->last_cell_seg; |
941 | i = ++SCHEME_V->last_cell_seg; |
867 | SCHEME_V->alloc_seg[i] = cp; |
942 | SCHEME_V->alloc_seg[i] = cp; |
868 | |
943 | |
869 | /* insert new segment in address order */ |
|
|
870 | newp = (pointer)cp; |
944 | newp = (pointer)cp; |
871 | SCHEME_V->cell_seg[i] = newp; |
945 | SCHEME_V->cell_seg[i] = newp; |
872 | SCHEME_V->cell_segsize[i] = segsize; |
946 | SCHEME_V->cell_segsize[i] = segsize; |
873 | |
|
|
874 | //TODO: insert, not swap |
|
|
875 | while (i > 0 && SCHEME_V->cell_seg[i - 1] > SCHEME_V->cell_seg[i]) |
|
|
876 | { |
|
|
877 | p = SCHEME_V->cell_seg[i]; |
|
|
878 | SCHEME_V->cell_seg[i] = SCHEME_V->cell_seg[i - 1]; |
|
|
879 | SCHEME_V->cell_seg[i - 1] = p; |
|
|
880 | |
|
|
881 | k = SCHEME_V->cell_segsize[i]; |
|
|
882 | SCHEME_V->cell_segsize[i] = SCHEME_V->cell_segsize[i - 1]; |
|
|
883 | SCHEME_V->cell_segsize[i - 1] = k; |
|
|
884 | |
|
|
885 | --i; |
|
|
886 | } |
|
|
887 | |
|
|
888 | SCHEME_V->fcells += segsize; |
947 | SCHEME_V->fcells += segsize; |
889 | last = newp + segsize - 1; |
948 | last = newp + segsize - 1; |
890 | |
949 | |
891 | for (p = newp; p <= last; p++) |
950 | for (p = newp; p <= last; p++) |
892 | { |
951 | { |
893 | set_typeflag (p, T_FREE); |
952 | set_typeflag (p, T_PAIR); |
894 | set_car (p, NIL); |
953 | set_car (p, NIL); |
895 | set_cdr (p, p + 1); |
954 | set_cdr (p, p + 1); |
896 | } |
955 | } |
897 | |
956 | |
898 | /* insert new cells in address order on free list */ |
|
|
899 | if (SCHEME_V->free_cell == NIL || p < SCHEME_V->free_cell) |
|
|
900 | { |
|
|
901 | set_cdr (last, SCHEME_V->free_cell); |
957 | set_cdr (last, SCHEME_V->free_cell); |
902 | SCHEME_V->free_cell = newp; |
958 | SCHEME_V->free_cell = newp; |
903 | } |
|
|
904 | else |
|
|
905 | { |
|
|
906 | p = SCHEME_V->free_cell; |
|
|
907 | |
|
|
908 | while (cdr (p) != NIL && newp > cdr (p)) |
|
|
909 | p = cdr (p); |
|
|
910 | |
|
|
911 | set_cdr (last, cdr (p)); |
|
|
912 | set_cdr (p, newp); |
|
|
913 | } |
|
|
914 | } |
959 | } |
915 | |
960 | |
916 | return n; |
961 | return n; |
917 | } |
962 | } |
918 | |
963 | |
919 | /* get new cell. parameter a, b is marked by gc. */ |
964 | /* get new cell. parameter a, b is marked by gc. */ |
920 | static INLINE pointer |
965 | ecb_inline pointer |
921 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
966 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
922 | { |
967 | { |
923 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
968 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
924 | { |
969 | { |
925 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
970 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
926 | return S_SINK; |
971 | return S_SINK; |
927 | |
972 | |
928 | if (SCHEME_V->free_cell == NIL) |
973 | if (SCHEME_V->free_cell == NIL) |
929 | { |
974 | { |
930 | const int min_to_be_recovered = SCHEME_V->last_cell_seg < 128 ? 128 * 8 : SCHEME_V->last_cell_seg * 8; |
975 | const int min_to_be_recovered = SCHEME_V->cell_segsize [SCHEME_V->last_cell_seg] >> 1; |
931 | |
976 | |
932 | gc (SCHEME_A_ a, b); |
977 | gc (SCHEME_A_ a, b); |
933 | |
978 | |
934 | if (SCHEME_V->fcells < min_to_be_recovered || SCHEME_V->free_cell == NIL) |
979 | if (SCHEME_V->fcells < min_to_be_recovered || SCHEME_V->free_cell == NIL) |
935 | { |
980 | { |
… | |
… | |
986 | } |
1031 | } |
987 | |
1032 | |
988 | static pointer |
1033 | static pointer |
989 | get_vector_object (SCHEME_P_ uint32_t len, pointer init) |
1034 | get_vector_object (SCHEME_P_ uint32_t len, pointer init) |
990 | { |
1035 | { |
991 | pointer v = get_cell_x (SCHEME_A_ 0, 0); |
1036 | pointer v = get_cell_x (SCHEME_A_ NIL, NIL); |
992 | pointer *e = malloc (len * sizeof (pointer)); |
1037 | pointer *e = malloc (len * sizeof (pointer)); |
993 | |
1038 | |
994 | if (!e && USE_ERROR_CHECKING) |
1039 | if (!e && USE_ERROR_CHECKING) |
995 | return S_SINK; |
1040 | return S_SINK; |
996 | |
1041 | |
997 | /* Record it as a vector so that gc understands it. */ |
1042 | /* Record it as a vector so that gc understands it. */ |
998 | set_typeflag (v, T_VECTOR | T_ATOM); |
1043 | set_typeflag (v, T_VECTOR | T_ATOM); |
999 | |
1044 | |
1000 | v->object.vector.vvalue = e; |
1045 | v->object.vector.vvalue = e; |
1001 | v->object.vector.length = len; |
1046 | v->object.vector.length = len; |
1002 | fill_vector (v, init); |
1047 | fill_vector (v, 0, init); |
1003 | push_recent_alloc (SCHEME_A_ v, NIL); |
1048 | push_recent_alloc (SCHEME_A_ v, NIL); |
1004 | |
1049 | |
1005 | return v; |
1050 | return v; |
1006 | } |
1051 | } |
1007 | |
1052 | |
1008 | static INLINE void |
1053 | ecb_inline void |
1009 | ok_to_freely_gc (SCHEME_P) |
1054 | ok_to_freely_gc (SCHEME_P) |
1010 | { |
1055 | { |
1011 | set_car (S_SINK, NIL); |
1056 | set_car (S_SINK, NIL); |
1012 | } |
1057 | } |
1013 | |
1058 | |
… | |
… | |
1050 | set_cdr (x, b); |
1095 | set_cdr (x, b); |
1051 | |
1096 | |
1052 | return x; |
1097 | return x; |
1053 | } |
1098 | } |
1054 | |
1099 | |
|
|
1100 | static pointer |
|
|
1101 | generate_symbol (SCHEME_P_ const char *name) |
|
|
1102 | { |
|
|
1103 | pointer x = mk_string (SCHEME_A_ name); |
|
|
1104 | setimmutable (x); |
|
|
1105 | set_typeflag (x, T_SYMBOL | T_ATOM); |
|
|
1106 | return x; |
|
|
1107 | } |
|
|
1108 | |
1055 | /* ========== oblist implementation ========== */ |
1109 | /* ========== oblist implementation ========== */ |
1056 | |
1110 | |
1057 | #ifndef USE_OBJECT_LIST |
1111 | #ifndef USE_OBJECT_LIST |
1058 | |
1112 | |
|
|
1113 | static int |
1059 | static int hash_fn (const char *key, int table_size); |
1114 | hash_fn (const char *key, int table_size) |
|
|
1115 | { |
|
|
1116 | const unsigned char *p = key; |
|
|
1117 | uint32_t hash = 2166136261; |
|
|
1118 | |
|
|
1119 | while (*p) |
|
|
1120 | hash = (hash ^ *p++) * 16777619; |
|
|
1121 | |
|
|
1122 | return hash % table_size; |
|
|
1123 | } |
1060 | |
1124 | |
1061 | static pointer |
1125 | static pointer |
1062 | oblist_initial_value (SCHEME_P) |
1126 | oblist_initial_value (SCHEME_P) |
1063 | { |
1127 | { |
1064 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1128 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
… | |
… | |
1066 | |
1130 | |
1067 | /* returns the new symbol */ |
1131 | /* returns the new symbol */ |
1068 | static pointer |
1132 | static pointer |
1069 | oblist_add_by_name (SCHEME_P_ const char *name) |
1133 | oblist_add_by_name (SCHEME_P_ const char *name) |
1070 | { |
1134 | { |
1071 | int location; |
1135 | pointer x = generate_symbol (SCHEME_A_ name); |
1072 | |
|
|
1073 | pointer x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1074 | set_typeflag (x, T_SYMBOL); |
|
|
1075 | setimmutable (car (x)); |
|
|
1076 | |
|
|
1077 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1136 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1078 | set_vector_elem (SCHEME_V->oblist, location, immutable_cons (x, vector_elem (SCHEME_V->oblist, location))); |
1137 | vector_set (SCHEME_V->oblist, location, immutable_cons (x, vector_get (SCHEME_V->oblist, location))); |
1079 | return x; |
1138 | return x; |
1080 | } |
1139 | } |
1081 | |
1140 | |
1082 | static INLINE pointer |
1141 | ecb_inline pointer |
1083 | oblist_find_by_name (SCHEME_P_ const char *name) |
1142 | oblist_find_by_name (SCHEME_P_ const char *name) |
1084 | { |
1143 | { |
1085 | int location; |
1144 | int location; |
1086 | pointer x; |
1145 | pointer x; |
1087 | char *s; |
1146 | char *s; |
1088 | |
1147 | |
1089 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1148 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1090 | |
1149 | |
1091 | for (x = vector_elem (SCHEME_V->oblist, location); x != NIL; x = cdr (x)) |
1150 | for (x = vector_get (SCHEME_V->oblist, location); x != NIL; x = cdr (x)) |
1092 | { |
1151 | { |
1093 | s = symname (car (x)); |
1152 | s = symname (car (x)); |
1094 | |
1153 | |
1095 | /* case-insensitive, per R5RS section 2 */ |
1154 | /* case-insensitive, per R5RS section 2 */ |
1096 | if (stricmp (name, s) == 0) |
1155 | if (stricmp (name, s) == 0) |
… | |
… | |
1106 | int i; |
1165 | int i; |
1107 | pointer x; |
1166 | pointer x; |
1108 | pointer ob_list = NIL; |
1167 | pointer ob_list = NIL; |
1109 | |
1168 | |
1110 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1169 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1111 | for (x = vector_elem (SCHEME_V->oblist, i); x != NIL; x = cdr (x)) |
1170 | for (x = vector_get (SCHEME_V->oblist, i); x != NIL; x = cdr (x)) |
1112 | ob_list = cons (x, ob_list); |
1171 | ob_list = cons (x, ob_list); |
1113 | |
1172 | |
1114 | return ob_list; |
1173 | return ob_list; |
1115 | } |
1174 | } |
1116 | |
1175 | |
… | |
… | |
1120 | oblist_initial_value (SCHEME_P) |
1179 | oblist_initial_value (SCHEME_P) |
1121 | { |
1180 | { |
1122 | return NIL; |
1181 | return NIL; |
1123 | } |
1182 | } |
1124 | |
1183 | |
1125 | static INLINE pointer |
1184 | ecb_inline pointer |
1126 | oblist_find_by_name (SCHEME_P_ const char *name) |
1185 | oblist_find_by_name (SCHEME_P_ const char *name) |
1127 | { |
1186 | { |
1128 | pointer x; |
1187 | pointer x; |
1129 | char *s; |
1188 | char *s; |
1130 | |
1189 | |
… | |
… | |
1142 | |
1201 | |
1143 | /* returns the new symbol */ |
1202 | /* returns the new symbol */ |
1144 | static pointer |
1203 | static pointer |
1145 | oblist_add_by_name (SCHEME_P_ const char *name) |
1204 | oblist_add_by_name (SCHEME_P_ const char *name) |
1146 | { |
1205 | { |
1147 | pointer x; |
1206 | pointer x = generate_symbol (SCHEME_A_ name); |
1148 | |
|
|
1149 | x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1150 | set_typeflag (x, T_SYMBOL); |
|
|
1151 | setimmutable (car (x)); |
|
|
1152 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1207 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1153 | return x; |
1208 | return x; |
1154 | } |
1209 | } |
1155 | |
1210 | |
1156 | static pointer |
1211 | static pointer |
… | |
… | |
1177 | pointer |
1232 | pointer |
1178 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1233 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1179 | { |
1234 | { |
1180 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1235 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1181 | |
1236 | |
1182 | set_typeflag (x, (T_FOREIGN | T_ATOM)); |
1237 | set_typeflag (x, T_FOREIGN | T_ATOM); |
1183 | x->object.ff = f; |
1238 | x->object.ff = f; |
1184 | |
1239 | |
1185 | return x; |
1240 | return x; |
1186 | } |
1241 | } |
1187 | |
1242 | |
1188 | INTERFACE pointer |
1243 | INTERFACE pointer |
1189 | mk_character (SCHEME_P_ int c) |
1244 | mk_character (SCHEME_P_ int c) |
1190 | { |
1245 | { |
1191 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1246 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1192 | |
1247 | |
1193 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1248 | set_typeflag (x, T_CHARACTER | T_ATOM); |
1194 | ivalue_unchecked (x) = c & 0xff; |
1249 | set_ivalue (x, c & 0xff); |
1195 | set_num_integer (x); |
1250 | |
1196 | return x; |
1251 | return x; |
1197 | } |
1252 | } |
1198 | |
1253 | |
1199 | /* get number atom (integer) */ |
1254 | /* get number atom (integer) */ |
1200 | INTERFACE pointer |
1255 | INTERFACE pointer |
1201 | mk_integer (SCHEME_P_ long num) |
1256 | mk_integer (SCHEME_P_ long n) |
1202 | { |
1257 | { |
|
|
1258 | pointer p = 0; |
|
|
1259 | pointer *pp = &p; |
|
|
1260 | |
|
|
1261 | #if USE_INTCACHE |
|
|
1262 | if (n >= INTCACHE_MIN && n <= INTCACHE_MAX) |
|
|
1263 | pp = &SCHEME_V->intcache[n - INTCACHE_MIN]; |
|
|
1264 | #endif |
|
|
1265 | |
|
|
1266 | if (!*pp) |
|
|
1267 | { |
1203 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1268 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1204 | |
1269 | |
1205 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1270 | set_typeflag (x, T_INTEGER | T_ATOM); |
1206 | ivalue_unchecked (x) = num; |
1271 | setimmutable (x); /* shouldn't do anythi9ng, doesn't cost anything */ |
1207 | set_num_integer (x); |
1272 | set_ivalue (x, n); |
|
|
1273 | |
|
|
1274 | *pp = x; |
|
|
1275 | } |
|
|
1276 | |
1208 | return x; |
1277 | return *pp; |
1209 | } |
1278 | } |
1210 | |
1279 | |
1211 | INTERFACE pointer |
1280 | INTERFACE pointer |
1212 | mk_real (SCHEME_P_ RVALUE n) |
1281 | mk_real (SCHEME_P_ RVALUE n) |
1213 | { |
1282 | { |
|
|
1283 | #if USE_REAL |
1214 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1284 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1215 | |
1285 | |
1216 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1286 | set_typeflag (x, T_REAL | T_ATOM); |
1217 | rvalue_unchecked (x) = n; |
1287 | set_rvalue (x, n); |
1218 | set_num_real (x); |
1288 | |
1219 | return x; |
1289 | return x; |
|
|
1290 | #else |
|
|
1291 | return mk_integer (SCHEME_A_ n); |
|
|
1292 | #endif |
1220 | } |
1293 | } |
1221 | |
1294 | |
1222 | static pointer |
1295 | static pointer |
1223 | mk_number (SCHEME_P_ const num n) |
1296 | mk_number (SCHEME_P_ const num n) |
1224 | { |
1297 | { |
|
|
1298 | #if USE_REAL |
1225 | if (num_is_fixnum (n)) |
1299 | return num_is_fixnum (n) |
|
|
1300 | ? mk_integer (SCHEME_A_ num_ivalue (n)) |
|
|
1301 | : mk_real (SCHEME_A_ num_rvalue (n)); |
|
|
1302 | #else |
1226 | return mk_integer (SCHEME_A_ num_get_ivalue (n)); |
1303 | return mk_integer (SCHEME_A_ num_ivalue (n)); |
1227 | else |
1304 | #endif |
1228 | return mk_real (SCHEME_A_ num_get_rvalue (n)); |
|
|
1229 | } |
1305 | } |
1230 | |
1306 | |
1231 | /* allocate name to string area */ |
1307 | /* allocate name to string area */ |
1232 | static char * |
1308 | static char * |
1233 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
1309 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
… | |
… | |
1239 | SCHEME_V->no_memory = 1; |
1315 | SCHEME_V->no_memory = 1; |
1240 | return SCHEME_V->strbuff; |
1316 | return SCHEME_V->strbuff; |
1241 | } |
1317 | } |
1242 | |
1318 | |
1243 | if (str) |
1319 | if (str) |
1244 | { |
1320 | memcpy (q, str , len_str); /* caller must ensure that *str has length len_str */ |
1245 | int l = strlen (str); |
|
|
1246 | |
|
|
1247 | if (l > len_str) |
|
|
1248 | l = len_str; |
|
|
1249 | |
|
|
1250 | memcpy (q, str, l); |
|
|
1251 | q[l] = 0; |
|
|
1252 | } |
|
|
1253 | else |
1321 | else |
1254 | { |
|
|
1255 | memset (q, fill, len_str); |
1322 | memset (q, fill, len_str); |
|
|
1323 | |
1256 | q[len_str] = 0; |
1324 | q[len_str] = 0; |
1257 | } |
|
|
1258 | |
1325 | |
1259 | return q; |
1326 | return q; |
1260 | } |
1327 | } |
1261 | |
1328 | |
1262 | INTERFACE pointer |
1329 | INTERFACE pointer |
… | |
… | |
1276 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1343 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1277 | |
1344 | |
1278 | set_typeflag (x, T_STRING | T_ATOM); |
1345 | set_typeflag (x, T_STRING | T_ATOM); |
1279 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1346 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1280 | strlength (x) = len; |
1347 | strlength (x) = len; |
|
|
1348 | |
1281 | return x; |
1349 | return x; |
1282 | } |
1350 | } |
1283 | |
1351 | |
1284 | INTERFACE pointer |
1352 | INTERFACE pointer |
1285 | mk_string (SCHEME_P_ const char *str) |
1353 | mk_string (SCHEME_P_ const char *str) |
… | |
… | |
1292 | { |
1360 | { |
1293 | return get_vector_object (SCHEME_A_ len, NIL); |
1361 | return get_vector_object (SCHEME_A_ len, NIL); |
1294 | } |
1362 | } |
1295 | |
1363 | |
1296 | INTERFACE void |
1364 | INTERFACE void |
1297 | fill_vector (pointer vec, pointer obj) |
1365 | fill_vector (pointer vec, uint32_t start, pointer obj) |
1298 | { |
1366 | { |
1299 | int i; |
1367 | int i; |
1300 | |
1368 | |
1301 | for (i = 0; i < vec->object.vector.length; i++) |
1369 | for (i = start; i < veclength (vec); i++) |
1302 | vecvalue (vec)[i] = obj; |
1370 | vecvalue (vec)[i] = obj; |
1303 | } |
1371 | } |
1304 | |
1372 | |
|
|
1373 | INTERFACE void |
|
|
1374 | vector_resize (pointer vec, uint32_t newsize, pointer fill) |
|
|
1375 | { |
|
|
1376 | uint32_t oldsize = veclength (vec); |
|
|
1377 | vecvalue (vec) = realloc (vecvalue (vec), newsize * sizeof (pointer)); |
|
|
1378 | veclength (vec) = newsize; |
|
|
1379 | fill_vector (vec, oldsize, fill); |
|
|
1380 | } |
|
|
1381 | |
1305 | INTERFACE pointer |
1382 | INTERFACE pointer |
1306 | vector_elem (pointer vec, uint32_t ielem) |
1383 | vector_get (pointer vec, uint32_t ielem) |
1307 | { |
1384 | { |
1308 | return vecvalue(vec)[ielem]; |
1385 | return vecvalue(vec)[ielem]; |
1309 | } |
1386 | } |
1310 | |
1387 | |
1311 | INTERFACE void |
1388 | INTERFACE void |
1312 | set_vector_elem (pointer vec, uint32_t ielem, pointer a) |
1389 | vector_set (pointer vec, uint32_t ielem, pointer a) |
1313 | { |
1390 | { |
1314 | vecvalue(vec)[ielem] = a; |
1391 | vecvalue(vec)[ielem] = a; |
1315 | } |
1392 | } |
1316 | |
1393 | |
1317 | /* get new symbol */ |
1394 | /* get new symbol */ |
… | |
… | |
1329 | |
1406 | |
1330 | INTERFACE pointer |
1407 | INTERFACE pointer |
1331 | gensym (SCHEME_P) |
1408 | gensym (SCHEME_P) |
1332 | { |
1409 | { |
1333 | pointer x; |
1410 | pointer x; |
1334 | |
|
|
1335 | for (; SCHEME_V->gensym_cnt < LONG_MAX; SCHEME_V->gensym_cnt++) |
|
|
1336 | { |
|
|
1337 | char name[40] = "gensym-"; |
1411 | char name[40] = "gensym-"; |
1338 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1412 | xnum (name + 7, ++SCHEME_V->gensym_cnt); |
1339 | |
1413 | |
1340 | /* first check oblist */ |
1414 | return generate_symbol (SCHEME_A_ name); |
1341 | x = oblist_find_by_name (SCHEME_A_ name); |
1415 | } |
1342 | |
1416 | |
1343 | if (x == NIL) |
1417 | static int |
1344 | { |
1418 | is_gensym (SCHEME_P_ pointer x) |
1345 | x = oblist_add_by_name (SCHEME_A_ name); |
1419 | { |
1346 | return x; |
1420 | return is_symbol (x) && oblist_find_by_name (SCHEME_A_ strvalue (x)) != x; |
1347 | } |
|
|
1348 | } |
|
|
1349 | |
|
|
1350 | return NIL; |
|
|
1351 | } |
1421 | } |
1352 | |
1422 | |
1353 | /* make symbol or number atom from string */ |
1423 | /* make symbol or number atom from string */ |
1354 | static pointer |
1424 | static pointer |
1355 | mk_atom (SCHEME_P_ char *q) |
1425 | mk_atom (SCHEME_P_ char *q) |
… | |
… | |
1409 | } |
1479 | } |
1410 | else if ((c == 'e') || (c == 'E')) |
1480 | else if ((c == 'e') || (c == 'E')) |
1411 | { |
1481 | { |
1412 | if (!has_fp_exp) |
1482 | if (!has_fp_exp) |
1413 | { |
1483 | { |
1414 | has_dec_point = 1; /* decimal point illegal |
1484 | has_dec_point = 1; /* decimal point illegal from now on */ |
1415 | from now on */ |
|
|
1416 | p++; |
1485 | p++; |
1417 | |
1486 | |
1418 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1487 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1419 | continue; |
1488 | continue; |
1420 | } |
1489 | } |
… | |
… | |
1508 | |
1577 | |
1509 | if (ecb_expect_false (is_vector (p))) |
1578 | if (ecb_expect_false (is_vector (p))) |
1510 | { |
1579 | { |
1511 | int i; |
1580 | int i; |
1512 | |
1581 | |
1513 | for (i = 0; i < p->object.vector.length; i++) |
1582 | for (i = 0; i < veclength (p); i++) |
1514 | mark (vecvalue (p)[i]); |
1583 | mark (vecvalue (p)[i]); |
1515 | } |
1584 | } |
1516 | |
1585 | |
1517 | if (is_atom (p)) |
1586 | if (is_atom (p)) |
1518 | goto E6; |
1587 | goto E6; |
… | |
… | |
1591 | /* Mark recent objects the interpreter doesn't know about yet. */ |
1660 | /* Mark recent objects the interpreter doesn't know about yet. */ |
1592 | mark (car (S_SINK)); |
1661 | mark (car (S_SINK)); |
1593 | /* Mark any older stuff above nested C calls */ |
1662 | /* Mark any older stuff above nested C calls */ |
1594 | mark (SCHEME_V->c_nest); |
1663 | mark (SCHEME_V->c_nest); |
1595 | |
1664 | |
|
|
1665 | #if USE_INTCACHE |
|
|
1666 | /* mark intcache */ |
|
|
1667 | for (i = INTCACHE_MIN; i <= INTCACHE_MAX; ++i) |
|
|
1668 | if (SCHEME_V->intcache[i - INTCACHE_MIN]) |
|
|
1669 | mark (SCHEME_V->intcache[i - INTCACHE_MIN]); |
|
|
1670 | #endif |
|
|
1671 | |
1596 | /* mark variables a, b */ |
1672 | /* mark variables a, b */ |
1597 | mark (a); |
1673 | mark (a); |
1598 | mark (b); |
1674 | mark (b); |
1599 | |
1675 | |
1600 | /* garbage collect */ |
1676 | /* garbage collect */ |
1601 | clrmark (NIL); |
1677 | clrmark (NIL); |
1602 | SCHEME_V->fcells = 0; |
1678 | SCHEME_V->fcells = 0; |
1603 | SCHEME_V->free_cell = NIL; |
1679 | SCHEME_V->free_cell = NIL; |
1604 | |
1680 | |
1605 | /* free-list is kept sorted by address so as to maintain consecutive |
1681 | if (SCHEME_V->gc_verbose) |
1606 | ranges, if possible, for use with vectors. Here we scan the cells |
1682 | xwrstr ("freeing..."); |
1607 | (which are also kept sorted by address) downwards to build the |
1683 | |
1608 | free-list in sorted order. |
1684 | uint32_t total = 0; |
1609 | */ |
1685 | |
|
|
1686 | /* Here we scan the cells to build the free-list. */ |
1610 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1687 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1611 | { |
1688 | { |
1612 | p = SCHEME_V->cell_seg[i] + SCHEME_V->cell_segsize [i]; |
1689 | pointer end = SCHEME_V->cell_seg[i] + SCHEME_V->cell_segsize [i]; |
|
|
1690 | total += SCHEME_V->cell_segsize [i]; |
1613 | |
1691 | |
1614 | while (--p >= SCHEME_V->cell_seg[i]) |
1692 | for (p = SCHEME_V->cell_seg[i]; p < end; ++p) |
1615 | { |
1693 | { |
1616 | if (is_mark (p)) |
1694 | if (is_mark (p)) |
1617 | clrmark (p); |
1695 | clrmark (p); |
1618 | else |
1696 | else |
1619 | { |
1697 | { |
1620 | /* reclaim cell */ |
1698 | /* reclaim cell */ |
1621 | if (typeflag (p) != T_FREE) |
1699 | if (typeflag (p) != T_PAIR) |
1622 | { |
1700 | { |
1623 | finalize_cell (SCHEME_A_ p); |
1701 | finalize_cell (SCHEME_A_ p); |
1624 | set_typeflag (p, T_FREE); |
1702 | set_typeflag (p, T_PAIR); |
1625 | set_car (p, NIL); |
1703 | set_car (p, NIL); |
1626 | } |
1704 | } |
1627 | |
1705 | |
1628 | ++SCHEME_V->fcells; |
1706 | ++SCHEME_V->fcells; |
1629 | set_cdr (p, SCHEME_V->free_cell); |
1707 | set_cdr (p, SCHEME_V->free_cell); |
… | |
… | |
1631 | } |
1709 | } |
1632 | } |
1710 | } |
1633 | } |
1711 | } |
1634 | |
1712 | |
1635 | if (SCHEME_V->gc_verbose) |
1713 | if (SCHEME_V->gc_verbose) |
|
|
1714 | { |
1636 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
1715 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" out of "); xwrnum (total); xwrstr (" cells were recovered.\n"); |
|
|
1716 | } |
1637 | } |
1717 | } |
1638 | |
1718 | |
1639 | static void |
1719 | static void |
1640 | finalize_cell (SCHEME_P_ pointer a) |
1720 | finalize_cell (SCHEME_P_ pointer a) |
1641 | { |
1721 | { |
1642 | /* TODO, fast bitmap check? */ |
1722 | /* TODO, fast bitmap check? */ |
1643 | if (is_string (a)) |
1723 | if (is_string (a) || is_symbol (a)) |
1644 | free (strvalue (a)); |
1724 | free (strvalue (a)); |
1645 | else if (is_vector (a)) |
1725 | else if (is_vector (a)) |
1646 | free (vecvalue (a)); |
1726 | free (vecvalue (a)); |
1647 | #if USE_PORTS |
1727 | #if USE_PORTS |
1648 | else if (is_port (a)) |
1728 | else if (is_port (a)) |
… | |
… | |
2070 | #endif |
2150 | #endif |
2071 | } |
2151 | } |
2072 | |
2152 | |
2073 | /* read characters up to delimiter, but cater to character constants */ |
2153 | /* read characters up to delimiter, but cater to character constants */ |
2074 | static char * |
2154 | static char * |
2075 | readstr_upto (SCHEME_P_ char *delim) |
2155 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2076 | { |
2156 | { |
2077 | char *p = SCHEME_V->strbuff; |
2157 | char *p = SCHEME_V->strbuff + skip; |
2078 | |
2158 | |
2079 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2159 | while ((p - SCHEME_V->strbuff < sizeof (SCHEME_V->strbuff)) && !is_one_of (delim, (*p++ = inchar (SCHEME_A)))); |
2080 | |
2160 | |
2081 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2161 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2082 | *p = 0; |
2162 | *p = 0; |
… | |
… | |
2089 | return SCHEME_V->strbuff; |
2169 | return SCHEME_V->strbuff; |
2090 | } |
2170 | } |
2091 | |
2171 | |
2092 | /* read string expression "xxx...xxx" */ |
2172 | /* read string expression "xxx...xxx" */ |
2093 | static pointer |
2173 | static pointer |
2094 | readstrexp (SCHEME_P) |
2174 | readstrexp (SCHEME_P_ char delim) |
2095 | { |
2175 | { |
2096 | char *p = SCHEME_V->strbuff; |
2176 | char *p = SCHEME_V->strbuff; |
2097 | int c; |
2177 | int c; |
2098 | int c1 = 0; |
2178 | int c1 = 0; |
2099 | enum |
|
|
2100 | { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2179 | enum { st_ok, st_bsl, st_x1, st_x2, st_oct1, st_oct2 } state = st_ok; |
2101 | |
2180 | |
2102 | for (;;) |
2181 | for (;;) |
2103 | { |
2182 | { |
2104 | c = inchar (SCHEME_A); |
2183 | c = inchar (SCHEME_A); |
2105 | |
2184 | |
… | |
… | |
2107 | return S_F; |
2186 | return S_F; |
2108 | |
2187 | |
2109 | switch (state) |
2188 | switch (state) |
2110 | { |
2189 | { |
2111 | case st_ok: |
2190 | case st_ok: |
2112 | switch (c) |
2191 | if (ecb_expect_false (c == delim)) |
2113 | { |
|
|
2114 | case '\\': |
|
|
2115 | state = st_bsl; |
|
|
2116 | break; |
|
|
2117 | |
|
|
2118 | case '"': |
|
|
2119 | *p = 0; |
|
|
2120 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2192 | return mk_counted_string (SCHEME_A_ SCHEME_V->strbuff, p - SCHEME_V->strbuff); |
2121 | |
2193 | |
2122 | default: |
2194 | if (ecb_expect_false (c == '\\')) |
|
|
2195 | state = st_bsl; |
|
|
2196 | else |
2123 | *p++ = c; |
2197 | *p++ = c; |
2124 | break; |
|
|
2125 | } |
|
|
2126 | |
2198 | |
2127 | break; |
2199 | break; |
2128 | |
2200 | |
2129 | case st_bsl: |
2201 | case st_bsl: |
2130 | switch (c) |
2202 | switch (c) |
… | |
… | |
2160 | case 'r': |
2232 | case 'r': |
2161 | *p++ = '\r'; |
2233 | *p++ = '\r'; |
2162 | state = st_ok; |
2234 | state = st_ok; |
2163 | break; |
2235 | break; |
2164 | |
2236 | |
2165 | case '"': |
|
|
2166 | *p++ = '"'; |
|
|
2167 | state = st_ok; |
|
|
2168 | break; |
|
|
2169 | |
|
|
2170 | default: |
2237 | default: |
2171 | *p++ = c; |
2238 | *p++ = c; |
2172 | state = st_ok; |
2239 | state = st_ok; |
2173 | break; |
2240 | break; |
2174 | } |
2241 | } |
2175 | |
2242 | |
2176 | break; |
2243 | break; |
2177 | |
2244 | |
2178 | case st_x1: |
2245 | case st_x1: |
2179 | case st_x2: |
2246 | case st_x2: |
2180 | c = toupper (c); |
2247 | c = tolower (c); |
2181 | |
2248 | |
2182 | if (c >= '0' && c <= 'F') |
2249 | if (c >= '0' && c <= '9') |
2183 | { |
|
|
2184 | if (c <= '9') |
|
|
2185 | c1 = (c1 << 4) + c - '0'; |
2250 | c1 = (c1 << 4) + c - '0'; |
2186 | else |
2251 | else if (c >= 'a' && c <= 'f') |
2187 | c1 = (c1 << 4) + c - 'A' + 10; |
2252 | c1 = (c1 << 4) + c - 'a' + 10; |
2188 | |
|
|
2189 | if (state == st_x1) |
|
|
2190 | state = st_x2; |
|
|
2191 | else |
|
|
2192 | { |
|
|
2193 | *p++ = c1; |
|
|
2194 | state = st_ok; |
|
|
2195 | } |
|
|
2196 | } |
|
|
2197 | else |
2253 | else |
2198 | return S_F; |
2254 | return S_F; |
|
|
2255 | |
|
|
2256 | if (state == st_x1) |
|
|
2257 | state = st_x2; |
|
|
2258 | else |
|
|
2259 | { |
|
|
2260 | *p++ = c1; |
|
|
2261 | state = st_ok; |
|
|
2262 | } |
2199 | |
2263 | |
2200 | break; |
2264 | break; |
2201 | |
2265 | |
2202 | case st_oct1: |
2266 | case st_oct1: |
2203 | case st_oct2: |
2267 | case st_oct2: |
… | |
… | |
2207 | backchar (SCHEME_A_ c); |
2271 | backchar (SCHEME_A_ c); |
2208 | state = st_ok; |
2272 | state = st_ok; |
2209 | } |
2273 | } |
2210 | else |
2274 | else |
2211 | { |
2275 | { |
2212 | if (state == st_oct2 && c1 >= 32) |
2276 | if (state == st_oct2 && c1 >= ' ') |
2213 | return S_F; |
2277 | return S_F; |
2214 | |
2278 | |
2215 | c1 = (c1 << 3) + (c - '0'); |
2279 | c1 = (c1 << 3) + (c - '0'); |
2216 | |
2280 | |
2217 | if (state == st_oct1) |
2281 | if (state == st_oct1) |
… | |
… | |
2222 | state = st_ok; |
2286 | state = st_ok; |
2223 | } |
2287 | } |
2224 | } |
2288 | } |
2225 | |
2289 | |
2226 | break; |
2290 | break; |
2227 | |
|
|
2228 | } |
2291 | } |
2229 | } |
2292 | } |
2230 | } |
2293 | } |
2231 | |
2294 | |
2232 | /* check c is in chars */ |
2295 | /* check c is in chars */ |
2233 | static INLINE int |
2296 | ecb_inline int |
2234 | is_one_of (char *s, int c) |
2297 | is_one_of (const char *s, int c) |
2235 | { |
2298 | { |
2236 | if (c == EOF) |
|
|
2237 | return 1; |
|
|
2238 | |
|
|
2239 | return !!strchr (s, c); |
2299 | return c == EOF || !!strchr (s, c); |
2240 | } |
2300 | } |
2241 | |
2301 | |
2242 | /* skip white characters */ |
2302 | /* skip white characters */ |
2243 | static INLINE int |
2303 | ecb_inline int |
2244 | skipspace (SCHEME_P) |
2304 | skipspace (SCHEME_P) |
2245 | { |
2305 | { |
2246 | int c, curr_line = 0; |
2306 | int c, curr_line = 0; |
2247 | |
2307 | |
2248 | do |
2308 | do |
2249 | { |
2309 | { |
2250 | c = inchar (SCHEME_A); |
2310 | c = inchar (SCHEME_A); |
|
|
2311 | |
2251 | #if SHOW_ERROR_LINE |
2312 | #if SHOW_ERROR_LINE |
2252 | if (c == '\n') |
2313 | if (ecb_expect_false (c == '\n')) |
2253 | curr_line++; |
2314 | curr_line++; |
2254 | #endif |
2315 | #endif |
|
|
2316 | |
|
|
2317 | if (ecb_expect_false (c == EOF)) |
|
|
2318 | return c; |
2255 | } |
2319 | } |
2256 | while (c == ' ' || c == '\n' || c == '\r' || c == '\t'); |
2320 | while (is_one_of (WHITESPACE, c)); |
2257 | |
2321 | |
2258 | /* record it */ |
2322 | /* record it */ |
2259 | #if SHOW_ERROR_LINE |
2323 | #if SHOW_ERROR_LINE |
2260 | if (SCHEME_V->load_stack[SCHEME_V->file_i].kind & port_file) |
2324 | if (SCHEME_V->load_stack[SCHEME_V->file_i].kind & port_file) |
2261 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.curr_line += curr_line; |
2325 | SCHEME_V->load_stack[SCHEME_V->file_i].rep.stdio.curr_line += curr_line; |
2262 | #endif |
2326 | #endif |
2263 | |
2327 | |
2264 | if (c != EOF) |
|
|
2265 | { |
|
|
2266 | backchar (SCHEME_A_ c); |
2328 | backchar (SCHEME_A_ c); |
2267 | return 1; |
2329 | return 1; |
2268 | } |
|
|
2269 | else |
|
|
2270 | return EOF; |
|
|
2271 | } |
2330 | } |
2272 | |
2331 | |
2273 | /* get token */ |
2332 | /* get token */ |
2274 | static int |
2333 | static int |
2275 | token (SCHEME_P) |
2334 | token (SCHEME_P) |
… | |
… | |
2291 | return TOK_RPAREN; |
2350 | return TOK_RPAREN; |
2292 | |
2351 | |
2293 | case '.': |
2352 | case '.': |
2294 | c = inchar (SCHEME_A); |
2353 | c = inchar (SCHEME_A); |
2295 | |
2354 | |
2296 | if (is_one_of (" \n\t", c)) |
2355 | if (is_one_of (WHITESPACE, c)) |
2297 | return TOK_DOT; |
2356 | return TOK_DOT; |
2298 | else |
2357 | else |
2299 | { |
2358 | { |
2300 | //TODO: ungetc twice in a row is not supported in C |
|
|
2301 | backchar (SCHEME_A_ c); |
2359 | backchar (SCHEME_A_ c); |
2302 | backchar (SCHEME_A_ '.'); |
|
|
2303 | return TOK_ATOM; |
2360 | return TOK_DOTATOM; |
2304 | } |
2361 | } |
|
|
2362 | |
|
|
2363 | case '|': |
|
|
2364 | return TOK_STRATOM; |
2305 | |
2365 | |
2306 | case '\'': |
2366 | case '\'': |
2307 | return TOK_QUOTE; |
2367 | return TOK_QUOTE; |
2308 | |
2368 | |
2309 | case ';': |
2369 | case ';': |
… | |
… | |
2441 | } |
2501 | } |
2442 | |
2502 | |
2443 | putcharacter (SCHEME_A_ '"'); |
2503 | putcharacter (SCHEME_A_ '"'); |
2444 | } |
2504 | } |
2445 | |
2505 | |
2446 | |
|
|
2447 | /* print atoms */ |
2506 | /* print atoms */ |
2448 | static void |
2507 | static void |
2449 | printatom (SCHEME_P_ pointer l, int f) |
2508 | printatom (SCHEME_P_ pointer l, int f) |
2450 | { |
2509 | { |
2451 | char *p; |
2510 | char *p; |
2452 | int len; |
2511 | int len; |
2453 | |
2512 | |
2454 | atom2str (SCHEME_A_ l, f, &p, &len); |
2513 | atom2str (SCHEME_A_ l, f, &p, &len); |
2455 | putchars (SCHEME_A_ p, len); |
2514 | putchars (SCHEME_A_ p, len); |
2456 | } |
2515 | } |
2457 | |
|
|
2458 | |
2516 | |
2459 | /* Uses internal buffer unless string pointer is already available */ |
2517 | /* Uses internal buffer unless string pointer is already available */ |
2460 | static void |
2518 | static void |
2461 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2519 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2462 | { |
2520 | { |
… | |
… | |
2476 | { |
2534 | { |
2477 | p = SCHEME_V->strbuff; |
2535 | p = SCHEME_V->strbuff; |
2478 | |
2536 | |
2479 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2537 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2480 | { |
2538 | { |
2481 | if (num_is_integer (l)) |
2539 | if (is_integer (l)) |
2482 | xnum (p, ivalue_unchecked (l)); |
2540 | xnum (p, ivalue_unchecked (l)); |
2483 | #if USE_REAL |
2541 | #if USE_REAL |
2484 | else |
2542 | else |
2485 | { |
2543 | { |
2486 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2544 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2623 | #endif |
2681 | #endif |
2624 | } |
2682 | } |
2625 | else if (is_continuation (l)) |
2683 | else if (is_continuation (l)) |
2626 | p = "#<CONTINUATION>"; |
2684 | p = "#<CONTINUATION>"; |
2627 | else |
2685 | else |
|
|
2686 | { |
|
|
2687 | #if USE_PRINTF |
|
|
2688 | p = SCHEME_V->strbuff; |
|
|
2689 | snprintf (p, STRBUFFSIZE, "#<ERROR %x>", (int)typeflag (l)); |
|
|
2690 | #else |
2628 | p = "#<ERROR>"; |
2691 | p = "#<ERROR>"; |
|
|
2692 | #endif |
|
|
2693 | } |
2629 | |
2694 | |
2630 | *pp = p; |
2695 | *pp = p; |
2631 | *plen = strlen (p); |
2696 | *plen = strlen (p); |
2632 | } |
2697 | } |
2633 | |
2698 | |
… | |
… | |
2741 | return 0; |
2806 | return 0; |
2742 | } |
2807 | } |
2743 | else if (is_number (a)) |
2808 | else if (is_number (a)) |
2744 | { |
2809 | { |
2745 | if (is_number (b)) |
2810 | if (is_number (b)) |
2746 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2747 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2811 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2748 | |
2812 | |
2749 | return 0; |
2813 | return 0; |
2750 | } |
2814 | } |
2751 | else if (is_character (a)) |
2815 | else if (is_character (a)) |
2752 | { |
2816 | { |
… | |
… | |
2778 | /* () is #t in R5RS */ |
2842 | /* () is #t in R5RS */ |
2779 | #define is_true(p) ((p) != S_F) |
2843 | #define is_true(p) ((p) != S_F) |
2780 | #define is_false(p) ((p) == S_F) |
2844 | #define is_false(p) ((p) == S_F) |
2781 | |
2845 | |
2782 | /* ========== Environment implementation ========== */ |
2846 | /* ========== Environment implementation ========== */ |
2783 | |
|
|
2784 | #if !defined(USE_ALIST_ENV) || !defined(USE_OBJECT_LIST) |
|
|
2785 | |
|
|
2786 | static int |
|
|
2787 | hash_fn (const char *key, int table_size) |
|
|
2788 | { |
|
|
2789 | const unsigned char *p = key; |
|
|
2790 | uint32_t hash = 2166136261; |
|
|
2791 | |
|
|
2792 | while (*p) |
|
|
2793 | hash = (hash ^ *p++) * 16777619; |
|
|
2794 | |
|
|
2795 | return hash % table_size; |
|
|
2796 | } |
|
|
2797 | #endif |
|
|
2798 | |
2847 | |
2799 | #ifndef USE_ALIST_ENV |
2848 | #ifndef USE_ALIST_ENV |
2800 | |
2849 | |
2801 | /* |
2850 | /* |
2802 | * In this implementation, each frame of the environment may be |
2851 | * In this implementation, each frame of the environment may be |
… | |
… | |
2819 | |
2868 | |
2820 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2869 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2821 | setenvironment (SCHEME_V->envir); |
2870 | setenvironment (SCHEME_V->envir); |
2822 | } |
2871 | } |
2823 | |
2872 | |
2824 | static INLINE void |
2873 | static uint32_t |
|
|
2874 | sym_hash (pointer sym, uint32_t size) |
|
|
2875 | { |
|
|
2876 | uintptr_t ptr = (uintptr_t)sym; |
|
|
2877 | |
|
|
2878 | #if 0 |
|
|
2879 | /* table size is prime, so why mix */ |
|
|
2880 | ptr += ptr >> 32; |
|
|
2881 | ptr += ptr >> 16; |
|
|
2882 | ptr += ptr >> 8; |
|
|
2883 | #endif |
|
|
2884 | |
|
|
2885 | return ptr % size; |
|
|
2886 | } |
|
|
2887 | |
|
|
2888 | ecb_inline void |
2825 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2889 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2826 | { |
2890 | { |
2827 | pointer slot = immutable_cons (variable, value); |
2891 | pointer slot = immutable_cons (variable, value); |
2828 | |
2892 | |
2829 | if (is_vector (car (env))) |
2893 | if (is_vector (car (env))) |
2830 | { |
2894 | { |
2831 | int location = hash_fn (symname (variable), veclength (car (env))); |
2895 | int location = sym_hash (variable, veclength (car (env))); |
2832 | |
|
|
2833 | set_vector_elem (car (env), location, immutable_cons (slot, vector_elem (car (env), location))); |
2896 | vector_set (car (env), location, immutable_cons (slot, vector_get (car (env), location))); |
2834 | } |
2897 | } |
2835 | else |
2898 | else |
2836 | set_car (env, immutable_cons (slot, car (env))); |
2899 | set_car (env, immutable_cons (slot, car (env))); |
2837 | } |
2900 | } |
2838 | |
2901 | |
2839 | static pointer |
2902 | static pointer |
2840 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2903 | find_slot_in_env (SCHEME_P_ pointer env, pointer hdl, int all) |
2841 | { |
2904 | { |
2842 | pointer x, y; |
2905 | pointer x, y; |
2843 | int location; |
|
|
2844 | |
2906 | |
2845 | for (x = env; x != NIL; x = cdr (x)) |
2907 | for (x = env; x != NIL; x = cdr (x)) |
2846 | { |
2908 | { |
2847 | if (is_vector (car (x))) |
2909 | if (is_vector (car (x))) |
2848 | { |
2910 | { |
2849 | location = hash_fn (symname (hdl), veclength (car (x))); |
2911 | int location = sym_hash (hdl, veclength (car (x))); |
2850 | y = vector_elem (car (x), location); |
2912 | y = vector_get (car (x), location); |
2851 | } |
2913 | } |
2852 | else |
2914 | else |
2853 | y = car (x); |
2915 | y = car (x); |
2854 | |
2916 | |
2855 | for (; y != NIL; y = cdr (y)) |
2917 | for (; y != NIL; y = cdr (y)) |
2856 | if (caar (y) == hdl) |
2918 | if (caar (y) == hdl) |
2857 | break; |
2919 | break; |
2858 | |
2920 | |
2859 | if (y != NIL) |
2921 | if (y != NIL) |
|
|
2922 | return car (y); |
|
|
2923 | |
|
|
2924 | if (!all) |
2860 | break; |
2925 | break; |
2861 | |
|
|
2862 | if (!all) |
|
|
2863 | return NIL; |
|
|
2864 | } |
2926 | } |
2865 | |
|
|
2866 | if (x != NIL) |
|
|
2867 | return car (y); |
|
|
2868 | |
2927 | |
2869 | return NIL; |
2928 | return NIL; |
2870 | } |
2929 | } |
2871 | |
2930 | |
2872 | #else /* USE_ALIST_ENV */ |
2931 | #else /* USE_ALIST_ENV */ |
2873 | |
2932 | |
2874 | static INLINE void |
2933 | ecb_inline void |
2875 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2934 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2876 | { |
2935 | { |
2877 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2936 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2878 | setenvironment (SCHEME_V->envir); |
2937 | setenvironment (SCHEME_V->envir); |
2879 | } |
2938 | } |
2880 | |
2939 | |
2881 | static INLINE void |
2940 | ecb_inline void |
2882 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2941 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2883 | { |
2942 | { |
2884 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2943 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2885 | } |
2944 | } |
2886 | |
2945 | |
… | |
… | |
2894 | for (y = car (x); y != NIL; y = cdr (y)) |
2953 | for (y = car (x); y != NIL; y = cdr (y)) |
2895 | if (caar (y) == hdl) |
2954 | if (caar (y) == hdl) |
2896 | break; |
2955 | break; |
2897 | |
2956 | |
2898 | if (y != NIL) |
2957 | if (y != NIL) |
|
|
2958 | return car (y); |
2899 | break; |
2959 | break; |
2900 | |
2960 | |
2901 | if (!all) |
2961 | if (!all) |
2902 | return NIL; |
2962 | break; |
2903 | } |
2963 | } |
2904 | |
|
|
2905 | if (x != NIL) |
|
|
2906 | return car (y); |
|
|
2907 | |
2964 | |
2908 | return NIL; |
2965 | return NIL; |
2909 | } |
2966 | } |
2910 | |
2967 | |
2911 | #endif /* USE_ALIST_ENV else */ |
2968 | #endif /* USE_ALIST_ENV else */ |
2912 | |
2969 | |
2913 | static INLINE void |
2970 | ecb_inline void |
2914 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2971 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2915 | { |
2972 | { |
|
|
2973 | assert (is_symbol (variable));//TODO: bug in current-ws/OP_LET2 |
2916 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2974 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2917 | } |
2975 | } |
2918 | |
2976 | |
2919 | static INLINE void |
2977 | ecb_inline void |
2920 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2978 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2921 | { |
2979 | { |
2922 | set_cdr (slot, value); |
2980 | set_cdr (slot, value); |
2923 | } |
2981 | } |
2924 | |
2982 | |
2925 | static INLINE pointer |
2983 | ecb_inline pointer |
2926 | slot_value_in_env (pointer slot) |
2984 | slot_value_in_env (pointer slot) |
2927 | { |
2985 | { |
2928 | return cdr (slot); |
2986 | return cdr (slot); |
2929 | } |
2987 | } |
2930 | |
2988 | |
2931 | /* ========== Evaluation Cycle ========== */ |
2989 | /* ========== Evaluation Cycle ========== */ |
2932 | |
2990 | |
2933 | static pointer |
2991 | static int |
2934 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2992 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2935 | { |
2993 | { |
2936 | #if USE_ERROR_HOOK |
2994 | #if USE_ERROR_HOOK |
2937 | pointer x; |
2995 | pointer x; |
2938 | pointer hdl = SCHEME_V->ERROR_HOOK; |
2996 | pointer hdl = SCHEME_V->ERROR_HOOK; |
… | |
… | |
2973 | code = cons (mk_string (SCHEME_A_ s), code); |
3031 | code = cons (mk_string (SCHEME_A_ s), code); |
2974 | setimmutable (car (code)); |
3032 | setimmutable (car (code)); |
2975 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
3033 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
2976 | SCHEME_V->op = OP_EVAL; |
3034 | SCHEME_V->op = OP_EVAL; |
2977 | |
3035 | |
2978 | return S_T; |
3036 | return 0; |
2979 | } |
3037 | } |
2980 | #endif |
3038 | #endif |
2981 | |
3039 | |
2982 | if (a) |
3040 | if (a) |
2983 | SCHEME_V->args = cons (a, NIL); |
3041 | SCHEME_V->args = cons (a, NIL); |
… | |
… | |
2985 | SCHEME_V->args = NIL; |
3043 | SCHEME_V->args = NIL; |
2986 | |
3044 | |
2987 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3045 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
2988 | setimmutable (car (SCHEME_V->args)); |
3046 | setimmutable (car (SCHEME_V->args)); |
2989 | SCHEME_V->op = OP_ERR0; |
3047 | SCHEME_V->op = OP_ERR0; |
|
|
3048 | |
2990 | return S_T; |
3049 | return 0; |
2991 | } |
3050 | } |
2992 | |
3051 | |
2993 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3052 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
2994 | #define Error_0(s) Error_1 (s, 0) |
3053 | #define Error_0(s) Error_1 (s, 0) |
2995 | |
3054 | |
2996 | /* Too small to turn into function */ |
3055 | /* Too small to turn into function */ |
2997 | #define BEGIN do { |
3056 | #define BEGIN do { |
2998 | #define END } while (0) |
3057 | #define END } while (0) |
2999 | #define s_goto(a) BEGIN \ |
3058 | #define s_goto(a) BEGIN \ |
3000 | SCHEME_V->op = a; \ |
3059 | SCHEME_V->op = a; \ |
3001 | return S_T; END |
3060 | return 0; END |
3002 | |
3061 | |
3003 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3062 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3004 | |
3063 | |
3005 | #ifndef USE_SCHEME_STACK |
3064 | #ifndef USE_SCHEME_STACK |
3006 | |
3065 | |
… | |
… | |
3031 | next_frame = SCHEME_V->dump_base + nframes; |
3090 | next_frame = SCHEME_V->dump_base + nframes; |
3032 | |
3091 | |
3033 | next_frame->op = op; |
3092 | next_frame->op = op; |
3034 | next_frame->args = args; |
3093 | next_frame->args = args; |
3035 | next_frame->envir = SCHEME_V->envir; |
3094 | next_frame->envir = SCHEME_V->envir; |
3036 | next_frame->code = code; |
3095 | next_frame->code = code; |
3037 | |
3096 | |
3038 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3097 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3039 | } |
3098 | } |
3040 | |
3099 | |
3041 | static pointer |
3100 | static int |
3042 | xs_return (SCHEME_P_ pointer a) |
3101 | xs_return (SCHEME_P_ pointer a) |
3043 | { |
3102 | { |
3044 | int nframes = (uintptr_t)SCHEME_V->dump; |
3103 | int nframes = (uintptr_t)SCHEME_V->dump; |
3045 | struct dump_stack_frame *frame; |
3104 | struct dump_stack_frame *frame; |
3046 | |
3105 | |
3047 | SCHEME_V->value = a; |
3106 | SCHEME_V->value = a; |
3048 | |
3107 | |
3049 | if (nframes <= 0) |
3108 | if (nframes <= 0) |
3050 | return NIL; |
3109 | return -1; |
3051 | |
3110 | |
3052 | frame = &SCHEME_V->dump_base[--nframes]; |
3111 | frame = &SCHEME_V->dump_base[--nframes]; |
3053 | SCHEME_V->op = frame->op; |
3112 | SCHEME_V->op = frame->op; |
3054 | SCHEME_V->args = frame->args; |
3113 | SCHEME_V->args = frame->args; |
3055 | SCHEME_V->envir = frame->envir; |
3114 | SCHEME_V->envir = frame->envir; |
3056 | SCHEME_V->code = frame->code; |
3115 | SCHEME_V->code = frame->code; |
3057 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3116 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3058 | |
3117 | |
3059 | return S_T; |
3118 | return 0; |
3060 | } |
3119 | } |
3061 | |
3120 | |
3062 | static INLINE void |
3121 | ecb_inline void |
3063 | dump_stack_reset (SCHEME_P) |
3122 | dump_stack_reset (SCHEME_P) |
3064 | { |
3123 | { |
3065 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3124 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3066 | SCHEME_V->dump = (pointer)+0; |
3125 | SCHEME_V->dump = (pointer)+0; |
3067 | } |
3126 | } |
3068 | |
3127 | |
3069 | static INLINE void |
3128 | ecb_inline void |
3070 | dump_stack_initialize (SCHEME_P) |
3129 | dump_stack_initialize (SCHEME_P) |
3071 | { |
3130 | { |
3072 | SCHEME_V->dump_size = 0; |
3131 | SCHEME_V->dump_size = 0; |
3073 | SCHEME_V->dump_base = 0; |
3132 | SCHEME_V->dump_base = 0; |
3074 | dump_stack_reset (SCHEME_A); |
3133 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3127 | int i = 0; |
3186 | int i = 0; |
3128 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3187 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3129 | |
3188 | |
3130 | while (cont != NIL) |
3189 | while (cont != NIL) |
3131 | { |
3190 | { |
3132 | frame->op = ivalue (car (cont)); cont = cdr (cont); |
3191 | frame->op = ivalue_unchecked (car (cont)); cont = cdr (cont); |
3133 | frame->args = car (cont) ; cont = cdr (cont); |
3192 | frame->args = car (cont) ; cont = cdr (cont); |
3134 | frame->envir = car (cont) ; cont = cdr (cont); |
3193 | frame->envir = car (cont) ; cont = cdr (cont); |
3135 | frame->code = car (cont) ; cont = cdr (cont); |
3194 | frame->code = car (cont) ; cont = cdr (cont); |
3136 | |
3195 | |
3137 | ++frame; |
3196 | ++frame; |
3138 | ++i; |
3197 | ++i; |
3139 | } |
3198 | } |
3140 | |
3199 | |
3141 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3200 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3142 | } |
3201 | } |
3143 | |
3202 | |
3144 | #else |
3203 | #else |
3145 | |
3204 | |
3146 | static INLINE void |
3205 | ecb_inline void |
3147 | dump_stack_reset (SCHEME_P) |
3206 | dump_stack_reset (SCHEME_P) |
3148 | { |
3207 | { |
3149 | SCHEME_V->dump = NIL; |
3208 | SCHEME_V->dump = NIL; |
3150 | } |
3209 | } |
3151 | |
3210 | |
3152 | static INLINE void |
3211 | ecb_inline void |
3153 | dump_stack_initialize (SCHEME_P) |
3212 | dump_stack_initialize (SCHEME_P) |
3154 | { |
3213 | { |
3155 | dump_stack_reset (SCHEME_A); |
3214 | dump_stack_reset (SCHEME_A); |
3156 | } |
3215 | } |
3157 | |
3216 | |
… | |
… | |
3159 | dump_stack_free (SCHEME_P) |
3218 | dump_stack_free (SCHEME_P) |
3160 | { |
3219 | { |
3161 | SCHEME_V->dump = NIL; |
3220 | SCHEME_V->dump = NIL; |
3162 | } |
3221 | } |
3163 | |
3222 | |
3164 | static pointer |
3223 | static int |
3165 | xs_return (SCHEME_P_ pointer a) |
3224 | xs_return (SCHEME_P_ pointer a) |
3166 | { |
3225 | { |
3167 | pointer dump = SCHEME_V->dump; |
3226 | pointer dump = SCHEME_V->dump; |
3168 | |
3227 | |
3169 | SCHEME_V->value = a; |
3228 | SCHEME_V->value = a; |
3170 | |
3229 | |
3171 | if (dump == NIL) |
3230 | if (dump == NIL) |
3172 | return NIL; |
3231 | return -1; |
3173 | |
3232 | |
3174 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3233 | SCHEME_V->op = ivalue_unchecked (car (dump)); dump = cdr (dump); |
3175 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3234 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3176 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3235 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3177 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3236 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3178 | |
3237 | |
3179 | SCHEME_V->dump = dump; |
3238 | SCHEME_V->dump = dump; |
3180 | |
3239 | |
3181 | return S_T; |
3240 | return 0; |
3182 | } |
3241 | } |
3183 | |
3242 | |
3184 | static void |
3243 | static void |
3185 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3244 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3186 | { |
3245 | { |
… | |
… | |
3211 | |
3270 | |
3212 | #endif |
3271 | #endif |
3213 | |
3272 | |
3214 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3273 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3215 | |
3274 | |
|
|
3275 | #if EXPERIMENT |
3216 | static pointer |
3276 | static int |
|
|
3277 | debug (SCHEME_P_ int indent, pointer x) |
|
|
3278 | { |
|
|
3279 | int c; |
|
|
3280 | |
|
|
3281 | if (is_syntax (x)) |
|
|
3282 | { |
|
|
3283 | printf ("%*ssyntax<%s,%d>\n", indent, "", syntaxname(x),syntaxnum(x)); |
|
|
3284 | return 8 + 8; |
|
|
3285 | } |
|
|
3286 | |
|
|
3287 | if (x == NIL) |
|
|
3288 | { |
|
|
3289 | printf ("%*sNIL\n", indent, ""); |
|
|
3290 | return 3; |
|
|
3291 | } |
|
|
3292 | |
|
|
3293 | switch (type (x)) |
|
|
3294 | { |
|
|
3295 | case T_INTEGER: |
|
|
3296 | printf ("%*sI<%d>%p\n", indent, "", (int)ivalue_unchecked (x), x); |
|
|
3297 | return 32+8; |
|
|
3298 | |
|
|
3299 | case T_SYMBOL: |
|
|
3300 | printf ("%*sS<%s>\n", indent, "", symname (x)); |
|
|
3301 | return 24+8; |
|
|
3302 | |
|
|
3303 | case T_CLOSURE: |
|
|
3304 | printf ("%*sS<%s>\n", indent, "", "closure"); |
|
|
3305 | debug (SCHEME_A_ indent + 3, cdr(x)); |
|
|
3306 | return 32 + debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3307 | |
|
|
3308 | case T_PAIR: |
|
|
3309 | printf ("%*spair %p %p\n", indent, "", car(x),cdr(x)); |
|
|
3310 | c = debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3311 | c += debug (SCHEME_A_ indent + 3, cdr (x)); |
|
|
3312 | return c + 1; |
|
|
3313 | |
|
|
3314 | case T_PORT: |
|
|
3315 | printf ("%*sS<%s>\n", indent, "", "port"); |
|
|
3316 | return 24+8; |
|
|
3317 | |
|
|
3318 | case T_VECTOR: |
|
|
3319 | printf ("%*sS<%s>\n", indent, "", "vector"); |
|
|
3320 | return 24+8; |
|
|
3321 | |
|
|
3322 | case T_ENVIRONMENT: |
|
|
3323 | printf ("%*sS<%s>\n", indent, "", "environment"); |
|
|
3324 | return 0 + debug (SCHEME_A_ indent + 3, car (x)); |
|
|
3325 | |
|
|
3326 | default: |
|
|
3327 | printf ("unhandled type %d\n", type (x)); |
|
|
3328 | break; |
|
|
3329 | } |
|
|
3330 | } |
|
|
3331 | #endif |
|
|
3332 | |
|
|
3333 | static int |
3217 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3334 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3218 | { |
3335 | { |
|
|
3336 | pointer args = SCHEME_V->args; |
3219 | pointer x, y; |
3337 | pointer x, y; |
3220 | |
3338 | |
3221 | switch (op) |
3339 | switch (op) |
3222 | { |
3340 | { |
|
|
3341 | #if EXPERIMENT //D |
|
|
3342 | case OP_DEBUG: |
|
|
3343 | printf ("len = %d\n", debug (SCHEME_A_ 0, args) / 8); |
|
|
3344 | printf ("\n"); |
|
|
3345 | s_return (S_T); |
|
|
3346 | #endif |
3223 | case OP_LOAD: /* load */ |
3347 | case OP_LOAD: /* load */ |
3224 | if (file_interactive (SCHEME_A)) |
3348 | if (file_interactive (SCHEME_A)) |
3225 | { |
3349 | { |
3226 | xwrstr ("Loading "); xwrstr (strvalue (car (SCHEME_V->args))); xwrstr ("\n"); |
3350 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3227 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (SCHEME_V->args))); |
3351 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3228 | } |
3352 | } |
3229 | |
3353 | |
3230 | if (!file_push (SCHEME_A_ strvalue (car (SCHEME_V->args)))) |
3354 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3231 | Error_1 ("unable to open", car (SCHEME_V->args)); |
3355 | Error_1 ("unable to open", car (args)); |
3232 | else |
3356 | else |
3233 | { |
3357 | { |
3234 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3358 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3235 | s_goto (OP_T0LVL); |
3359 | s_goto (OP_T0LVL); |
3236 | } |
3360 | } |
… | |
… | |
3310 | case OP_EVAL: /* main part of evaluation */ |
3434 | case OP_EVAL: /* main part of evaluation */ |
3311 | #if USE_TRACING |
3435 | #if USE_TRACING |
3312 | if (SCHEME_V->tracing) |
3436 | if (SCHEME_V->tracing) |
3313 | { |
3437 | { |
3314 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3438 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3315 | s_save (SCHEME_A_ OP_REAL_EVAL, SCHEME_V->args, SCHEME_V->code); |
3439 | s_save (SCHEME_A_ OP_REAL_EVAL, args, SCHEME_V->code); |
3316 | SCHEME_V->args = SCHEME_V->code; |
3440 | SCHEME_V->args = SCHEME_V->code; |
3317 | putstr (SCHEME_A_ "\nEval: "); |
3441 | putstr (SCHEME_A_ "\nEval: "); |
3318 | s_goto (OP_P0LIST); |
3442 | s_goto (OP_P0LIST); |
3319 | } |
3443 | } |
3320 | |
3444 | |
… | |
… | |
3350 | } |
3474 | } |
3351 | else |
3475 | else |
3352 | s_return (SCHEME_V->code); |
3476 | s_return (SCHEME_V->code); |
3353 | |
3477 | |
3354 | case OP_E0ARGS: /* eval arguments */ |
3478 | case OP_E0ARGS: /* eval arguments */ |
3355 | if (is_macro (SCHEME_V->value)) /* macro expansion */ |
3479 | if (ecb_expect_false (is_macro (SCHEME_V->value))) /* macro expansion */ |
3356 | { |
3480 | { |
3357 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3481 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3358 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3482 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3359 | SCHEME_V->code = SCHEME_V->value; |
3483 | SCHEME_V->code = SCHEME_V->value; |
3360 | s_goto (OP_APPLY); |
3484 | s_goto (OP_APPLY); |
… | |
… | |
3364 | SCHEME_V->code = cdr (SCHEME_V->code); |
3488 | SCHEME_V->code = cdr (SCHEME_V->code); |
3365 | s_goto (OP_E1ARGS); |
3489 | s_goto (OP_E1ARGS); |
3366 | } |
3490 | } |
3367 | |
3491 | |
3368 | case OP_E1ARGS: /* eval arguments */ |
3492 | case OP_E1ARGS: /* eval arguments */ |
3369 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3493 | args = cons (SCHEME_V->value, args); |
3370 | |
3494 | |
3371 | if (is_pair (SCHEME_V->code)) /* continue */ |
3495 | if (is_pair (SCHEME_V->code)) /* continue */ |
3372 | { |
3496 | { |
3373 | s_save (SCHEME_A_ OP_E1ARGS, SCHEME_V->args, cdr (SCHEME_V->code)); |
3497 | s_save (SCHEME_A_ OP_E1ARGS, args, cdr (SCHEME_V->code)); |
3374 | SCHEME_V->code = car (SCHEME_V->code); |
3498 | SCHEME_V->code = car (SCHEME_V->code); |
3375 | SCHEME_V->args = NIL; |
3499 | SCHEME_V->args = NIL; |
3376 | s_goto (OP_EVAL); |
3500 | s_goto (OP_EVAL); |
3377 | } |
3501 | } |
3378 | else /* end */ |
3502 | else /* end */ |
3379 | { |
3503 | { |
3380 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3504 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3381 | SCHEME_V->code = car (SCHEME_V->args); |
3505 | SCHEME_V->code = car (args); |
3382 | SCHEME_V->args = cdr (SCHEME_V->args); |
3506 | SCHEME_V->args = cdr (args); |
3383 | s_goto (OP_APPLY); |
3507 | s_goto (OP_APPLY); |
3384 | } |
3508 | } |
3385 | |
3509 | |
3386 | #if USE_TRACING |
3510 | #if USE_TRACING |
3387 | |
3511 | |
3388 | case OP_TRACING: |
3512 | case OP_TRACING: |
3389 | { |
3513 | { |
3390 | int tr = SCHEME_V->tracing; |
3514 | int tr = SCHEME_V->tracing; |
3391 | |
3515 | |
3392 | SCHEME_V->tracing = ivalue (car (SCHEME_V->args)); |
3516 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3393 | s_return (mk_integer (SCHEME_A_ tr)); |
3517 | s_return (mk_integer (SCHEME_A_ tr)); |
3394 | } |
3518 | } |
3395 | |
3519 | |
3396 | #endif |
3520 | #endif |
3397 | |
3521 | |
3398 | case OP_APPLY: /* apply 'code' to 'args' */ |
3522 | case OP_APPLY: /* apply 'code' to 'args' */ |
3399 | #if USE_TRACING |
3523 | #if USE_TRACING |
3400 | if (SCHEME_V->tracing) |
3524 | if (SCHEME_V->tracing) |
3401 | { |
3525 | { |
3402 | s_save (SCHEME_A_ OP_REAL_APPLY, SCHEME_V->args, SCHEME_V->code); |
3526 | s_save (SCHEME_A_ OP_REAL_APPLY, args, SCHEME_V->code); |
3403 | SCHEME_V->print_flag = 1; |
3527 | SCHEME_V->print_flag = 1; |
3404 | /* SCHEME_V->args=cons(SCHEME_V->code,SCHEME_V->args); */ |
3528 | /* args=cons(SCHEME_V->code,args); */ |
3405 | putstr (SCHEME_A_ "\nApply to: "); |
3529 | putstr (SCHEME_A_ "\nApply to: "); |
3406 | s_goto (OP_P0LIST); |
3530 | s_goto (OP_P0LIST); |
3407 | } |
3531 | } |
3408 | |
3532 | |
3409 | /* fall through */ |
3533 | /* fall through */ |
3410 | |
3534 | |
3411 | case OP_REAL_APPLY: |
3535 | case OP_REAL_APPLY: |
3412 | #endif |
3536 | #endif |
3413 | if (is_proc (SCHEME_V->code)) |
3537 | if (is_proc (SCHEME_V->code)) |
3414 | { |
|
|
3415 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3538 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3416 | } |
|
|
3417 | else if (is_foreign (SCHEME_V->code)) |
3539 | else if (is_foreign (SCHEME_V->code)) |
3418 | { |
3540 | { |
3419 | /* Keep nested calls from GC'ing the arglist */ |
3541 | /* Keep nested calls from GC'ing the arglist */ |
3420 | push_recent_alloc (SCHEME_A_ SCHEME_V->args, NIL); |
3542 | push_recent_alloc (SCHEME_A_ args, NIL); |
3421 | x = SCHEME_V->code->object.ff (SCHEME_A_ SCHEME_V->args); |
3543 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
3422 | |
3544 | |
3423 | s_return (x); |
3545 | s_return (x); |
3424 | } |
3546 | } |
3425 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3547 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3426 | { |
3548 | { |
3427 | /* Should not accept promise */ |
3549 | /* Should not accept promise */ |
3428 | /* make environment */ |
3550 | /* make environment */ |
3429 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3551 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3430 | |
3552 | |
3431 | for (x = car (closure_code (SCHEME_V->code)), y = SCHEME_V->args; is_pair (x); x = cdr (x), y = cdr (y)) |
3553 | for (x = car (closure_code (SCHEME_V->code)), y = args; is_pair (x); x = cdr (x), y = cdr (y)) |
3432 | { |
3554 | { |
3433 | if (y == NIL) |
3555 | if (y == NIL) |
3434 | Error_0 ("not enough arguments"); |
3556 | Error_0 ("not enough arguments"); |
3435 | else |
3557 | else |
3436 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
3558 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
… | |
… | |
3454 | s_goto (OP_BEGIN); |
3576 | s_goto (OP_BEGIN); |
3455 | } |
3577 | } |
3456 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3578 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3457 | { |
3579 | { |
3458 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3580 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3459 | s_return (SCHEME_V->args != NIL ? car (SCHEME_V->args) : NIL); |
3581 | s_return (args != NIL ? car (args) : NIL); |
3460 | } |
3582 | } |
3461 | else |
3583 | else |
3462 | Error_0 ("illegal function"); |
3584 | Error_0 ("illegal function"); |
3463 | |
3585 | |
3464 | case OP_DOMACRO: /* do macro */ |
3586 | case OP_DOMACRO: /* do macro */ |
3465 | SCHEME_V->code = SCHEME_V->value; |
3587 | SCHEME_V->code = SCHEME_V->value; |
3466 | s_goto (OP_EVAL); |
3588 | s_goto (OP_EVAL); |
3467 | |
|
|
3468 | #if 1 |
|
|
3469 | |
3589 | |
3470 | case OP_LAMBDA: /* lambda */ |
3590 | case OP_LAMBDA: /* lambda */ |
3471 | /* If the hook is defined, apply it to SCHEME_V->code, otherwise |
3591 | /* If the hook is defined, apply it to SCHEME_V->code, otherwise |
3472 | set SCHEME_V->value fall thru */ |
3592 | set SCHEME_V->value fall thru */ |
3473 | { |
3593 | { |
3474 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3594 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3475 | |
3595 | |
3476 | if (f != NIL) |
3596 | if (f != NIL) |
3477 | { |
3597 | { |
3478 | s_save (SCHEME_A_ OP_LAMBDA1, SCHEME_V->args, SCHEME_V->code); |
3598 | s_save (SCHEME_A_ OP_LAMBDA1, args, SCHEME_V->code); |
3479 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3599 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3480 | SCHEME_V->code = slot_value_in_env (f); |
3600 | SCHEME_V->code = slot_value_in_env (f); |
3481 | s_goto (OP_APPLY); |
3601 | s_goto (OP_APPLY); |
3482 | } |
3602 | } |
3483 | |
3603 | |
3484 | SCHEME_V->value = SCHEME_V->code; |
3604 | SCHEME_V->value = SCHEME_V->code; |
3485 | /* Fallthru */ |
|
|
3486 | } |
3605 | } |
|
|
3606 | /* Fallthru */ |
3487 | |
3607 | |
3488 | case OP_LAMBDA1: |
3608 | case OP_LAMBDA1: |
3489 | s_return (mk_closure (SCHEME_A_ SCHEME_V->value, SCHEME_V->envir)); |
3609 | s_return (mk_closure (SCHEME_A_ SCHEME_V->value, SCHEME_V->envir)); |
3490 | |
3610 | |
3491 | #else |
|
|
3492 | |
|
|
3493 | case OP_LAMBDA: /* lambda */ |
|
|
3494 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
|
|
3495 | |
|
|
3496 | #endif |
|
|
3497 | |
|
|
3498 | case OP_MKCLOSURE: /* make-closure */ |
3611 | case OP_MKCLOSURE: /* make-closure */ |
3499 | x = car (SCHEME_V->args); |
3612 | x = car (args); |
3500 | |
3613 | |
3501 | if (car (x) == SCHEME_V->LAMBDA) |
3614 | if (car (x) == SCHEME_V->LAMBDA) |
3502 | x = cdr (x); |
3615 | x = cdr (x); |
3503 | |
3616 | |
3504 | if (cdr (SCHEME_V->args) == NIL) |
3617 | if (cdr (args) == NIL) |
3505 | y = SCHEME_V->envir; |
3618 | y = SCHEME_V->envir; |
3506 | else |
3619 | else |
3507 | y = cadr (SCHEME_V->args); |
3620 | y = cadr (args); |
3508 | |
3621 | |
3509 | s_return (mk_closure (SCHEME_A_ x, y)); |
3622 | s_return (mk_closure (SCHEME_A_ x, y)); |
3510 | |
3623 | |
3511 | case OP_QUOTE: /* quote */ |
3624 | case OP_QUOTE: /* quote */ |
3512 | s_return (car (SCHEME_V->code)); |
3625 | s_return (car (SCHEME_V->code)); |
… | |
… | |
3544 | |
3657 | |
3545 | |
3658 | |
3546 | case OP_DEFP: /* defined? */ |
3659 | case OP_DEFP: /* defined? */ |
3547 | x = SCHEME_V->envir; |
3660 | x = SCHEME_V->envir; |
3548 | |
3661 | |
3549 | if (cdr (SCHEME_V->args) != NIL) |
3662 | if (cdr (args) != NIL) |
3550 | x = cadr (SCHEME_V->args); |
3663 | x = cadr (args); |
3551 | |
3664 | |
3552 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (SCHEME_V->args), 1) != NIL); |
3665 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (args), 1) != NIL); |
3553 | |
3666 | |
3554 | case OP_SET0: /* set! */ |
3667 | case OP_SET0: /* set! */ |
3555 | if (is_immutable (car (SCHEME_V->code))) |
3668 | if (is_immutable (car (SCHEME_V->code))) |
3556 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3669 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3557 | |
3670 | |
… | |
… | |
3588 | |
3701 | |
3589 | case OP_IF1: /* if */ |
3702 | case OP_IF1: /* if */ |
3590 | if (is_true (SCHEME_V->value)) |
3703 | if (is_true (SCHEME_V->value)) |
3591 | SCHEME_V->code = car (SCHEME_V->code); |
3704 | SCHEME_V->code = car (SCHEME_V->code); |
3592 | else |
3705 | else |
3593 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because |
3706 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
3594 | |
|
|
3595 | * car(NIL) = NIL */ |
|
|
3596 | s_goto (OP_EVAL); |
3707 | s_goto (OP_EVAL); |
3597 | |
3708 | |
3598 | case OP_LET0: /* let */ |
3709 | case OP_LET0: /* let */ |
3599 | SCHEME_V->args = NIL; |
3710 | SCHEME_V->args = NIL; |
3600 | SCHEME_V->value = SCHEME_V->code; |
3711 | SCHEME_V->value = SCHEME_V->code; |
3601 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3712 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3602 | s_goto (OP_LET1); |
3713 | s_goto (OP_LET1); |
3603 | |
3714 | |
3604 | case OP_LET1: /* let (calculate parameters) */ |
3715 | case OP_LET1: /* let (calculate parameters) */ |
3605 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3716 | args = cons (SCHEME_V->value, args); |
3606 | |
3717 | |
3607 | if (is_pair (SCHEME_V->code)) /* continue */ |
3718 | if (is_pair (SCHEME_V->code)) /* continue */ |
3608 | { |
3719 | { |
3609 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3720 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3610 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3721 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3611 | |
3722 | |
3612 | s_save (SCHEME_A_ OP_LET1, SCHEME_V->args, cdr (SCHEME_V->code)); |
3723 | s_save (SCHEME_A_ OP_LET1, args, cdr (SCHEME_V->code)); |
3613 | SCHEME_V->code = cadar (SCHEME_V->code); |
3724 | SCHEME_V->code = cadar (SCHEME_V->code); |
3614 | SCHEME_V->args = NIL; |
3725 | SCHEME_V->args = NIL; |
3615 | s_goto (OP_EVAL); |
3726 | s_goto (OP_EVAL); |
3616 | } |
3727 | } |
3617 | else /* end */ |
3728 | else /* end */ |
3618 | { |
3729 | { |
3619 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3730 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3620 | SCHEME_V->code = car (SCHEME_V->args); |
3731 | SCHEME_V->code = car (args); |
3621 | SCHEME_V->args = cdr (SCHEME_V->args); |
3732 | SCHEME_V->args = cdr (args); |
3622 | s_goto (OP_LET2); |
3733 | s_goto (OP_LET2); |
3623 | } |
3734 | } |
3624 | |
3735 | |
3625 | case OP_LET2: /* let */ |
3736 | case OP_LET2: /* let */ |
3626 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3737 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3627 | |
3738 | |
3628 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = SCHEME_V->args; |
3739 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = args; |
3629 | y != NIL; x = cdr (x), y = cdr (y)) |
3740 | y != NIL; x = cdr (x), y = cdr (y)) |
3630 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3741 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3631 | |
3742 | |
3632 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3743 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3633 | { |
3744 | { |
3634 | for (x = cadr (SCHEME_V->code), SCHEME_V->args = NIL; x != NIL; x = cdr (x)) |
3745 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
3635 | { |
3746 | { |
3636 | if (!is_pair (x)) |
3747 | if (!is_pair (x)) |
3637 | Error_1 ("Bad syntax of binding in let :", x); |
3748 | Error_1 ("Bad syntax of binding in let :", x); |
3638 | |
3749 | |
3639 | if (!is_list (SCHEME_A_ car (x))) |
3750 | if (!is_list (SCHEME_A_ car (x))) |
3640 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3751 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3641 | |
3752 | |
3642 | SCHEME_V->args = cons (caar (x), SCHEME_V->args); |
3753 | args = cons (caar (x), args); |
3643 | } |
3754 | } |
3644 | |
3755 | |
3645 | x = |
|
|
3646 | mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args), cddr (SCHEME_V->code)), |
3756 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
3647 | SCHEME_V->envir); |
3757 | SCHEME_V->envir); |
3648 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3758 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3649 | SCHEME_V->code = cddr (SCHEME_V->code); |
3759 | SCHEME_V->code = cddr (SCHEME_V->code); |
3650 | SCHEME_V->args = NIL; |
|
|
3651 | } |
3760 | } |
3652 | else |
3761 | else |
3653 | { |
3762 | { |
3654 | SCHEME_V->code = cdr (SCHEME_V->code); |
3763 | SCHEME_V->code = cdr (SCHEME_V->code); |
|
|
3764 | } |
|
|
3765 | |
3655 | SCHEME_V->args = NIL; |
3766 | SCHEME_V->args = NIL; |
3656 | } |
|
|
3657 | |
|
|
3658 | s_goto (OP_BEGIN); |
3767 | s_goto (OP_BEGIN); |
3659 | |
3768 | |
3660 | case OP_LET0AST: /* let* */ |
3769 | case OP_LET0AST: /* let* */ |
3661 | if (car (SCHEME_V->code) == NIL) |
3770 | if (car (SCHEME_V->code) == NIL) |
3662 | { |
3771 | { |
… | |
… | |
3680 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3789 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3681 | SCHEME_V->code = cdr (SCHEME_V->code); |
3790 | SCHEME_V->code = cdr (SCHEME_V->code); |
3682 | |
3791 | |
3683 | if (is_pair (SCHEME_V->code)) /* continue */ |
3792 | if (is_pair (SCHEME_V->code)) /* continue */ |
3684 | { |
3793 | { |
3685 | s_save (SCHEME_A_ OP_LET2AST, SCHEME_V->args, SCHEME_V->code); |
3794 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
3686 | SCHEME_V->code = cadar (SCHEME_V->code); |
3795 | SCHEME_V->code = cadar (SCHEME_V->code); |
3687 | SCHEME_V->args = NIL; |
3796 | SCHEME_V->args = NIL; |
3688 | s_goto (OP_EVAL); |
3797 | s_goto (OP_EVAL); |
3689 | } |
3798 | } |
3690 | else /* end */ |
3799 | else /* end */ |
3691 | { |
3800 | { |
3692 | SCHEME_V->code = SCHEME_V->args; |
3801 | SCHEME_V->code = args; |
3693 | SCHEME_V->args = NIL; |
3802 | SCHEME_V->args = NIL; |
3694 | s_goto (OP_BEGIN); |
3803 | s_goto (OP_BEGIN); |
3695 | } |
3804 | } |
3696 | |
3805 | |
3697 | case OP_LET0REC: /* letrec */ |
3806 | case OP_LET0REC: /* letrec */ |
… | |
… | |
3700 | SCHEME_V->value = SCHEME_V->code; |
3809 | SCHEME_V->value = SCHEME_V->code; |
3701 | SCHEME_V->code = car (SCHEME_V->code); |
3810 | SCHEME_V->code = car (SCHEME_V->code); |
3702 | s_goto (OP_LET1REC); |
3811 | s_goto (OP_LET1REC); |
3703 | |
3812 | |
3704 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3813 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3705 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3814 | args = cons (SCHEME_V->value, args); |
3706 | |
3815 | |
3707 | if (is_pair (SCHEME_V->code)) /* continue */ |
3816 | if (is_pair (SCHEME_V->code)) /* continue */ |
3708 | { |
3817 | { |
3709 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3818 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3710 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3819 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3711 | |
3820 | |
3712 | s_save (SCHEME_A_ OP_LET1REC, SCHEME_V->args, cdr (SCHEME_V->code)); |
3821 | s_save (SCHEME_A_ OP_LET1REC, args, cdr (SCHEME_V->code)); |
3713 | SCHEME_V->code = cadar (SCHEME_V->code); |
3822 | SCHEME_V->code = cadar (SCHEME_V->code); |
3714 | SCHEME_V->args = NIL; |
3823 | SCHEME_V->args = NIL; |
3715 | s_goto (OP_EVAL); |
3824 | s_goto (OP_EVAL); |
3716 | } |
3825 | } |
3717 | else /* end */ |
3826 | else /* end */ |
3718 | { |
3827 | { |
3719 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3828 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3720 | SCHEME_V->code = car (SCHEME_V->args); |
3829 | SCHEME_V->code = car (args); |
3721 | SCHEME_V->args = cdr (SCHEME_V->args); |
3830 | SCHEME_V->args = cdr (args); |
3722 | s_goto (OP_LET2REC); |
3831 | s_goto (OP_LET2REC); |
3723 | } |
3832 | } |
3724 | |
3833 | |
3725 | case OP_LET2REC: /* letrec */ |
3834 | case OP_LET2REC: /* letrec */ |
3726 | for (x = car (SCHEME_V->code), y = SCHEME_V->args; y != NIL; x = cdr (x), y = cdr (y)) |
3835 | for (x = car (SCHEME_V->code), y = args; y != NIL; x = cdr (x), y = cdr (y)) |
3727 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3836 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3728 | |
3837 | |
3729 | SCHEME_V->code = cdr (SCHEME_V->code); |
3838 | SCHEME_V->code = cdr (SCHEME_V->code); |
3730 | SCHEME_V->args = NIL; |
3839 | SCHEME_V->args = NIL; |
3731 | s_goto (OP_BEGIN); |
3840 | s_goto (OP_BEGIN); |
… | |
… | |
3817 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3926 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3818 | SCHEME_V->code = car (SCHEME_V->code); |
3927 | SCHEME_V->code = car (SCHEME_V->code); |
3819 | s_goto (OP_EVAL); |
3928 | s_goto (OP_EVAL); |
3820 | |
3929 | |
3821 | case OP_C1STREAM: /* cons-stream */ |
3930 | case OP_C1STREAM: /* cons-stream */ |
3822 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register SCHEME_V->args for gc */ |
3931 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register args for gc */ |
3823 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3932 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3824 | set_typeflag (x, T_PROMISE); |
3933 | set_typeflag (x, T_PROMISE); |
3825 | s_return (cons (SCHEME_V->args, x)); |
3934 | s_return (cons (args, x)); |
3826 | |
3935 | |
3827 | case OP_MACRO0: /* macro */ |
3936 | case OP_MACRO0: /* macro */ |
3828 | if (is_pair (car (SCHEME_V->code))) |
3937 | if (is_pair (car (SCHEME_V->code))) |
3829 | { |
3938 | { |
3830 | x = caar (SCHEME_V->code); |
3939 | x = caar (SCHEME_V->code); |
… | |
… | |
3863 | { |
3972 | { |
3864 | if (!is_pair (y = caar (x))) |
3973 | if (!is_pair (y = caar (x))) |
3865 | break; |
3974 | break; |
3866 | |
3975 | |
3867 | for (; y != NIL; y = cdr (y)) |
3976 | for (; y != NIL; y = cdr (y)) |
3868 | { |
|
|
3869 | if (eqv (car (y), SCHEME_V->value)) |
3977 | if (eqv (car (y), SCHEME_V->value)) |
3870 | break; |
3978 | break; |
3871 | } |
|
|
3872 | |
3979 | |
3873 | if (y != NIL) |
3980 | if (y != NIL) |
3874 | break; |
3981 | break; |
3875 | } |
3982 | } |
3876 | |
3983 | |
… | |
… | |
3896 | s_goto (OP_BEGIN); |
4003 | s_goto (OP_BEGIN); |
3897 | else |
4004 | else |
3898 | s_return (NIL); |
4005 | s_return (NIL); |
3899 | |
4006 | |
3900 | case OP_PAPPLY: /* apply */ |
4007 | case OP_PAPPLY: /* apply */ |
3901 | SCHEME_V->code = car (SCHEME_V->args); |
4008 | SCHEME_V->code = car (args); |
3902 | SCHEME_V->args = list_star (SCHEME_A_ cdr (SCHEME_V->args)); |
4009 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
3903 | /*SCHEME_V->args = cadr(SCHEME_V->args); */ |
4010 | /*SCHEME_V->args = cadr(args); */ |
3904 | s_goto (OP_APPLY); |
4011 | s_goto (OP_APPLY); |
3905 | |
4012 | |
3906 | case OP_PEVAL: /* eval */ |
4013 | case OP_PEVAL: /* eval */ |
3907 | if (cdr (SCHEME_V->args) != NIL) |
4014 | if (cdr (args) != NIL) |
3908 | SCHEME_V->envir = cadr (SCHEME_V->args); |
4015 | SCHEME_V->envir = cadr (args); |
3909 | |
4016 | |
3910 | SCHEME_V->code = car (SCHEME_V->args); |
4017 | SCHEME_V->code = car (args); |
3911 | s_goto (OP_EVAL); |
4018 | s_goto (OP_EVAL); |
3912 | |
4019 | |
3913 | case OP_CONTINUATION: /* call-with-current-continuation */ |
4020 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3914 | SCHEME_V->code = car (SCHEME_V->args); |
4021 | SCHEME_V->code = car (args); |
3915 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
4022 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3916 | s_goto (OP_APPLY); |
4023 | s_goto (OP_APPLY); |
3917 | } |
4024 | } |
3918 | |
4025 | |
3919 | abort (); |
4026 | if (USE_ERROR_CHECKING) abort (); |
3920 | } |
4027 | } |
3921 | |
4028 | |
3922 | static pointer |
4029 | static int |
3923 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4030 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3924 | { |
4031 | { |
3925 | pointer x; |
4032 | pointer args = SCHEME_V->args; |
|
|
4033 | pointer x = car (args); |
3926 | num v; |
4034 | num v; |
3927 | |
4035 | |
|
|
4036 | switch (op) |
|
|
4037 | { |
3928 | #if USE_MATH |
4038 | #if USE_MATH |
3929 | RVALUE dd; |
|
|
3930 | #endif |
|
|
3931 | |
|
|
3932 | switch (op) |
|
|
3933 | { |
|
|
3934 | #if USE_MATH |
|
|
3935 | |
|
|
3936 | case OP_INEX2EX: /* inexact->exact */ |
4039 | case OP_INEX2EX: /* inexact->exact */ |
3937 | x = car (SCHEME_V->args); |
4040 | { |
3938 | |
|
|
3939 | if (num_is_integer (x)) |
4041 | if (is_integer (x)) |
3940 | s_return (x); |
4042 | s_return (x); |
3941 | else if (modf (rvalue_unchecked (x), &dd) == 0.0) |
4043 | |
|
|
4044 | RVALUE r = rvalue_unchecked (x); |
|
|
4045 | |
|
|
4046 | if (r == (RVALUE)(IVALUE)r) |
3942 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4047 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
3943 | else |
4048 | else |
3944 | Error_1 ("inexact->exact: not integral:", x); |
4049 | Error_1 ("inexact->exact: not integral:", x); |
|
|
4050 | } |
3945 | |
4051 | |
3946 | case OP_EXP: |
|
|
3947 | x = car (SCHEME_V->args); |
|
|
3948 | s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4052 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3949 | |
|
|
3950 | case OP_LOG: |
|
|
3951 | x = car (SCHEME_V->args); |
|
|
3952 | s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4053 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3953 | |
|
|
3954 | case OP_SIN: |
|
|
3955 | x = car (SCHEME_V->args); |
|
|
3956 | s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4054 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3957 | |
|
|
3958 | case OP_COS: |
|
|
3959 | x = car (SCHEME_V->args); |
|
|
3960 | s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4055 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
3961 | |
|
|
3962 | case OP_TAN: |
|
|
3963 | x = car (SCHEME_V->args); |
|
|
3964 | s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
4056 | case OP_TAN: s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
3965 | |
|
|
3966 | case OP_ASIN: |
|
|
3967 | x = car (SCHEME_V->args); |
|
|
3968 | s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
4057 | case OP_ASIN: s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
3969 | |
|
|
3970 | case OP_ACOS: |
|
|
3971 | x = car (SCHEME_V->args); |
|
|
3972 | s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4058 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
3973 | |
4059 | |
3974 | case OP_ATAN: |
4060 | case OP_ATAN: |
3975 | x = car (SCHEME_V->args); |
|
|
3976 | |
|
|
3977 | if (cdr (SCHEME_V->args) == NIL) |
4061 | if (cdr (args) == NIL) |
3978 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
4062 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
3979 | else |
4063 | else |
3980 | { |
4064 | { |
3981 | pointer y = cadr (SCHEME_V->args); |
4065 | pointer y = cadr (args); |
3982 | |
|
|
3983 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
4066 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
3984 | } |
4067 | } |
3985 | |
4068 | |
3986 | case OP_SQRT: |
4069 | case OP_SQRT: |
3987 | x = car (SCHEME_V->args); |
|
|
3988 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4070 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
3989 | |
4071 | |
3990 | case OP_EXPT: |
4072 | case OP_EXPT: |
3991 | { |
4073 | { |
3992 | RVALUE result; |
4074 | RVALUE result; |
3993 | int real_result = 1; |
4075 | int real_result = 1; |
3994 | pointer y = cadr (SCHEME_V->args); |
4076 | pointer y = cadr (args); |
3995 | |
4077 | |
3996 | x = car (SCHEME_V->args); |
|
|
3997 | |
|
|
3998 | if (num_is_integer (x) && num_is_integer (y)) |
4078 | if (is_integer (x) && is_integer (y)) |
3999 | real_result = 0; |
4079 | real_result = 0; |
4000 | |
4080 | |
4001 | /* This 'if' is an R5RS compatibility fix. */ |
4081 | /* This 'if' is an R5RS compatibility fix. */ |
4002 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4082 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4003 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4083 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4004 | result = 0.0; |
4084 | result = 0; |
4005 | else |
4085 | else |
4006 | result = pow (rvalue (x), rvalue (y)); |
4086 | result = pow (rvalue (x), rvalue (y)); |
4007 | |
4087 | |
4008 | /* Before returning integer result make sure we can. */ |
4088 | /* Before returning integer result make sure we can. */ |
4009 | /* If the test fails, result is too big for integer. */ |
4089 | /* If the test fails, result is too big for integer. */ |
4010 | if (!real_result) |
4090 | if (!real_result) |
4011 | { |
4091 | { |
4012 | long result_as_long = (long) result; |
4092 | long result_as_long = result; |
4013 | |
4093 | |
4014 | if (result != (RVALUE) result_as_long) |
4094 | if (result != result_as_long) |
4015 | real_result = 1; |
4095 | real_result = 1; |
4016 | } |
4096 | } |
4017 | |
4097 | |
4018 | if (real_result) |
4098 | if (real_result) |
4019 | s_return (mk_real (SCHEME_A_ result)); |
4099 | s_return (mk_real (SCHEME_A_ result)); |
4020 | else |
4100 | else |
4021 | s_return (mk_integer (SCHEME_A_ result)); |
4101 | s_return (mk_integer (SCHEME_A_ result)); |
4022 | } |
4102 | } |
4023 | |
4103 | |
4024 | case OP_FLOOR: |
|
|
4025 | x = car (SCHEME_V->args); |
|
|
4026 | s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4104 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4027 | |
|
|
4028 | case OP_CEILING: |
|
|
4029 | x = car (SCHEME_V->args); |
|
|
4030 | s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4105 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4031 | |
4106 | |
4032 | case OP_TRUNCATE: |
4107 | case OP_TRUNCATE: |
4033 | { |
4108 | { |
4034 | RVALUE rvalue_of_x; |
4109 | RVALUE n = rvalue (x); |
4035 | |
|
|
4036 | x = car (SCHEME_V->args); |
|
|
4037 | rvalue_of_x = rvalue (x); |
|
|
4038 | |
|
|
4039 | if (rvalue_of_x > 0) |
|
|
4040 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4110 | s_return (mk_real (SCHEME_A_ n > 0 ? floor (n) : ceil (n))); |
4041 | else |
|
|
4042 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
|
|
4043 | } |
4111 | } |
4044 | |
4112 | |
4045 | case OP_ROUND: |
4113 | case OP_ROUND: |
4046 | x = car (SCHEME_V->args); |
|
|
4047 | |
|
|
4048 | if (num_is_integer (x)) |
4114 | if (is_integer (x)) |
4049 | s_return (x); |
4115 | s_return (x); |
4050 | |
4116 | |
4051 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4117 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4052 | #endif |
4118 | #endif |
4053 | |
4119 | |
4054 | case OP_ADD: /* + */ |
4120 | case OP_ADD: /* + */ |
4055 | v = num_zero; |
4121 | v = num_zero; |
4056 | |
4122 | |
4057 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4123 | for (x = args; x != NIL; x = cdr (x)) |
4058 | v = num_op ('+', v, nvalue (car (x))); |
4124 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4059 | |
4125 | |
4060 | s_return (mk_number (SCHEME_A_ v)); |
4126 | s_return (mk_number (SCHEME_A_ v)); |
4061 | |
4127 | |
4062 | case OP_MUL: /* * */ |
4128 | case OP_MUL: /* * */ |
4063 | v = num_one; |
4129 | v = num_one; |
4064 | |
4130 | |
4065 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4131 | for (x = args; x != NIL; x = cdr (x)) |
4066 | v = num_op ('+', v, nvalue (car (x))); |
4132 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4067 | |
4133 | |
4068 | s_return (mk_number (SCHEME_A_ v)); |
4134 | s_return (mk_number (SCHEME_A_ v)); |
4069 | |
4135 | |
4070 | case OP_SUB: /* - */ |
4136 | case OP_SUB: /* - */ |
4071 | if (cdr (SCHEME_V->args) == NIL) |
4137 | if (cdr (args) == NIL) |
4072 | { |
4138 | { |
4073 | x = SCHEME_V->args; |
4139 | x = args; |
4074 | v = num_zero; |
4140 | v = num_zero; |
4075 | } |
4141 | } |
4076 | else |
4142 | else |
4077 | { |
4143 | { |
4078 | x = cdr (SCHEME_V->args); |
4144 | x = cdr (args); |
4079 | v = nvalue (car (SCHEME_V->args)); |
4145 | v = nvalue (car (args)); |
4080 | } |
4146 | } |
4081 | |
4147 | |
4082 | for (; x != NIL; x = cdr (x)) |
4148 | for (; x != NIL; x = cdr (x)) |
4083 | v = num_op ('+', v, nvalue (car (x))); |
4149 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4084 | |
4150 | |
4085 | s_return (mk_number (SCHEME_A_ v)); |
4151 | s_return (mk_number (SCHEME_A_ v)); |
4086 | |
4152 | |
4087 | case OP_DIV: /* / */ |
4153 | case OP_DIV: /* / */ |
4088 | if (cdr (SCHEME_V->args) == NIL) |
4154 | if (cdr (args) == NIL) |
4089 | { |
4155 | { |
4090 | x = SCHEME_V->args; |
4156 | x = args; |
4091 | v = num_one; |
4157 | v = num_one; |
4092 | } |
4158 | } |
4093 | else |
4159 | else |
4094 | { |
4160 | { |
4095 | x = cdr (SCHEME_V->args); |
4161 | x = cdr (args); |
4096 | v = nvalue (car (SCHEME_V->args)); |
4162 | v = nvalue (car (args)); |
4097 | } |
4163 | } |
4098 | |
4164 | |
4099 | for (; x != NIL; x = cdr (x)) |
4165 | for (; x != NIL; x = cdr (x)) |
4100 | { |
|
|
4101 | if (!is_zero_rvalue (rvalue (car (x)))) |
4166 | if (!is_zero_rvalue (rvalue (car (x)))) |
4102 | v = num_div (v, nvalue (car (x))); |
4167 | v = num_div (v, nvalue (car (x))); |
4103 | else |
4168 | else |
4104 | Error_0 ("/: division by zero"); |
4169 | Error_0 ("/: division by zero"); |
4105 | } |
|
|
4106 | |
4170 | |
4107 | s_return (mk_number (SCHEME_A_ v)); |
4171 | s_return (mk_number (SCHEME_A_ v)); |
4108 | |
4172 | |
4109 | case OP_INTDIV: /* quotient */ |
4173 | case OP_INTDIV: /* quotient */ |
4110 | if (cdr (SCHEME_V->args) == NIL) |
4174 | if (cdr (args) == NIL) |
4111 | { |
4175 | { |
4112 | x = SCHEME_V->args; |
4176 | x = args; |
4113 | v = num_one; |
4177 | v = num_one; |
4114 | } |
4178 | } |
4115 | else |
4179 | else |
4116 | { |
4180 | { |
4117 | x = cdr (SCHEME_V->args); |
4181 | x = cdr (args); |
4118 | v = nvalue (car (SCHEME_V->args)); |
4182 | v = nvalue (car (args)); |
4119 | } |
4183 | } |
4120 | |
4184 | |
4121 | for (; x != NIL; x = cdr (x)) |
4185 | for (; x != NIL; x = cdr (x)) |
4122 | { |
4186 | { |
4123 | if (ivalue (car (x)) != 0) |
4187 | if (ivalue (car (x)) != 0) |
4124 | v = num_op ('/', v, nvalue (car (x))); |
4188 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4125 | else |
4189 | else |
4126 | Error_0 ("quotient: division by zero"); |
4190 | Error_0 ("quotient: division by zero"); |
4127 | } |
4191 | } |
4128 | |
4192 | |
4129 | s_return (mk_number (SCHEME_A_ v)); |
4193 | s_return (mk_number (SCHEME_A_ v)); |
4130 | |
4194 | |
4131 | case OP_REM: /* remainder */ |
4195 | case OP_REM: /* remainder */ |
4132 | v = nvalue (car (SCHEME_V->args)); |
4196 | v = nvalue (x); |
4133 | |
4197 | |
4134 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4198 | if (ivalue (cadr (args)) != 0) |
4135 | v = num_rem (v, nvalue (cadr (SCHEME_V->args))); |
4199 | v = num_rem (v, nvalue (cadr (args))); |
4136 | else |
4200 | else |
4137 | Error_0 ("remainder: division by zero"); |
4201 | Error_0 ("remainder: division by zero"); |
4138 | |
4202 | |
4139 | s_return (mk_number (SCHEME_A_ v)); |
4203 | s_return (mk_number (SCHEME_A_ v)); |
4140 | |
4204 | |
4141 | case OP_MOD: /* modulo */ |
4205 | case OP_MOD: /* modulo */ |
4142 | v = nvalue (car (SCHEME_V->args)); |
4206 | v = nvalue (x); |
4143 | |
4207 | |
4144 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4208 | if (ivalue (cadr (args)) != 0) |
4145 | v = num_mod (v, nvalue (cadr (SCHEME_V->args))); |
4209 | v = num_mod (v, nvalue (cadr (args))); |
4146 | else |
4210 | else |
4147 | Error_0 ("modulo: division by zero"); |
4211 | Error_0 ("modulo: division by zero"); |
4148 | |
4212 | |
4149 | s_return (mk_number (SCHEME_A_ v)); |
4213 | s_return (mk_number (SCHEME_A_ v)); |
4150 | |
4214 | |
4151 | case OP_CAR: /* car */ |
4215 | /* the compiler will optimize this mess... */ |
4152 | s_return (caar (SCHEME_V->args)); |
4216 | case OP_CAR: op_car: s_return (car (x)); |
4153 | |
4217 | case OP_CDR: op_cdr: s_return (cdr (x)); |
4154 | case OP_CDR: /* cdr */ |
4218 | case OP_CAAR: op_caar: x = car (x); goto op_car; |
4155 | s_return (cdar (SCHEME_V->args)); |
4219 | case OP_CADR: op_cadr: x = cdr (x); goto op_car; |
|
|
4220 | case OP_CDAR: op_cdar: x = car (x); goto op_cdr; |
|
|
4221 | case OP_CDDR: op_cddr: x = cdr (x); goto op_cdr; |
|
|
4222 | case OP_CAAAR: op_caaar: x = car (x); goto op_caar; |
|
|
4223 | case OP_CAADR: op_caadr: x = cdr (x); goto op_caar; |
|
|
4224 | case OP_CADAR: op_cadar: x = car (x); goto op_cadr; |
|
|
4225 | case OP_CADDR: op_caddr: x = cdr (x); goto op_cadr; |
|
|
4226 | case OP_CDAAR: op_cdaar: x = car (x); goto op_cdar; |
|
|
4227 | case OP_CDADR: op_cdadr: x = cdr (x); goto op_cdar; |
|
|
4228 | case OP_CDDAR: op_cddar: x = car (x); goto op_cddr; |
|
|
4229 | case OP_CDDDR: op_cdddr: x = cdr (x); goto op_cddr; |
|
|
4230 | case OP_CAAAAR: x = car (x); goto op_caaar; |
|
|
4231 | case OP_CAAADR: x = cdr (x); goto op_caaar; |
|
|
4232 | case OP_CAADAR: x = car (x); goto op_caadr; |
|
|
4233 | case OP_CAADDR: x = cdr (x); goto op_caadr; |
|
|
4234 | case OP_CADAAR: x = car (x); goto op_cadar; |
|
|
4235 | case OP_CADADR: x = cdr (x); goto op_cadar; |
|
|
4236 | case OP_CADDAR: x = car (x); goto op_caddr; |
|
|
4237 | case OP_CADDDR: x = cdr (x); goto op_caddr; |
|
|
4238 | case OP_CDAAAR: x = car (x); goto op_cdaar; |
|
|
4239 | case OP_CDAADR: x = cdr (x); goto op_cdaar; |
|
|
4240 | case OP_CDADAR: x = car (x); goto op_cdadr; |
|
|
4241 | case OP_CDADDR: x = cdr (x); goto op_cdadr; |
|
|
4242 | case OP_CDDAAR: x = car (x); goto op_cddar; |
|
|
4243 | case OP_CDDADR: x = cdr (x); goto op_cddar; |
|
|
4244 | case OP_CDDDAR: x = car (x); goto op_cdddr; |
|
|
4245 | case OP_CDDDDR: x = cdr (x); goto op_cdddr; |
4156 | |
4246 | |
4157 | case OP_CONS: /* cons */ |
4247 | case OP_CONS: /* cons */ |
4158 | set_cdr (SCHEME_V->args, cadr (SCHEME_V->args)); |
4248 | set_cdr (args, cadr (args)); |
4159 | s_return (SCHEME_V->args); |
4249 | s_return (args); |
4160 | |
4250 | |
4161 | case OP_SETCAR: /* set-car! */ |
4251 | case OP_SETCAR: /* set-car! */ |
4162 | if (!is_immutable (car (SCHEME_V->args))) |
4252 | if (!is_immutable (x)) |
4163 | { |
4253 | { |
4164 | set_car (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4254 | set_car (x, cadr (args)); |
4165 | s_return (car (SCHEME_V->args)); |
4255 | s_return (car (args)); |
4166 | } |
4256 | } |
4167 | else |
4257 | else |
4168 | Error_0 ("set-car!: unable to alter immutable pair"); |
4258 | Error_0 ("set-car!: unable to alter immutable pair"); |
4169 | |
4259 | |
4170 | case OP_SETCDR: /* set-cdr! */ |
4260 | case OP_SETCDR: /* set-cdr! */ |
4171 | if (!is_immutable (car (SCHEME_V->args))) |
4261 | if (!is_immutable (x)) |
4172 | { |
4262 | { |
4173 | set_cdr (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4263 | set_cdr (x, cadr (args)); |
4174 | s_return (car (SCHEME_V->args)); |
4264 | s_return (car (args)); |
4175 | } |
4265 | } |
4176 | else |
4266 | else |
4177 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4267 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4178 | |
4268 | |
4179 | case OP_CHAR2INT: /* char->integer */ |
4269 | case OP_CHAR2INT: /* char->integer */ |
4180 | s_return (mk_integer (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4270 | s_return (mk_integer (SCHEME_A_ ivalue_unchecked (x))); |
4181 | |
4271 | |
4182 | case OP_INT2CHAR: /* integer->char */ |
4272 | case OP_INT2CHAR: /* integer->char */ |
4183 | s_return (mk_character (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4273 | s_return (mk_character (SCHEME_A_ ivalue_unchecked (x))); |
4184 | |
4274 | |
4185 | case OP_CHARUPCASE: |
4275 | case OP_CHARUPCASE: |
4186 | { |
4276 | { |
4187 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4277 | unsigned char c = ivalue_unchecked (x); |
4188 | c = toupper (c); |
4278 | c = toupper (c); |
4189 | s_return (mk_character (SCHEME_A_ c)); |
4279 | s_return (mk_character (SCHEME_A_ c)); |
4190 | } |
4280 | } |
4191 | |
4281 | |
4192 | case OP_CHARDNCASE: |
4282 | case OP_CHARDNCASE: |
4193 | { |
4283 | { |
4194 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4284 | unsigned char c = ivalue_unchecked (x); |
4195 | c = tolower (c); |
4285 | c = tolower (c); |
4196 | s_return (mk_character (SCHEME_A_ c)); |
4286 | s_return (mk_character (SCHEME_A_ c)); |
4197 | } |
4287 | } |
4198 | |
4288 | |
4199 | case OP_STR2SYM: /* string->symbol */ |
4289 | case OP_STR2SYM: /* string->symbol */ |
4200 | s_return (mk_symbol (SCHEME_A_ strvalue (car (SCHEME_V->args)))); |
4290 | s_return (mk_symbol (SCHEME_A_ strvalue (x))); |
4201 | |
4291 | |
4202 | case OP_STR2ATOM: /* string->atom */ |
4292 | case OP_STR2ATOM: /* string->atom */ |
4203 | { |
4293 | { |
4204 | char *s = strvalue (car (SCHEME_V->args)); |
4294 | char *s = strvalue (x); |
4205 | long pf = 0; |
4295 | long pf = 0; |
4206 | |
4296 | |
4207 | if (cdr (SCHEME_V->args) != NIL) |
4297 | if (cdr (args) != NIL) |
4208 | { |
4298 | { |
4209 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4299 | /* we know cadr(args) is a natural number */ |
4210 | /* see if it is 2, 8, 10, or 16, or error */ |
4300 | /* see if it is 2, 8, 10, or 16, or error */ |
4211 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4301 | pf = ivalue_unchecked (cadr (args)); |
4212 | |
4302 | |
4213 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4303 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4214 | { |
4304 | { |
4215 | /* base is OK */ |
4305 | /* base is OK */ |
4216 | } |
4306 | } |
4217 | else |
4307 | else |
4218 | pf = -1; |
4308 | pf = -1; |
4219 | } |
4309 | } |
4220 | |
4310 | |
4221 | if (pf < 0) |
4311 | if (pf < 0) |
4222 | Error_1 ("string->atom: bad base:", cadr (SCHEME_V->args)); |
4312 | Error_1 ("string->atom: bad base:", cadr (args)); |
4223 | else if (*s == '#') /* no use of base! */ |
4313 | else if (*s == '#') /* no use of base! */ |
4224 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4314 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4225 | else |
4315 | else |
4226 | { |
4316 | { |
4227 | if (pf == 0 || pf == 10) |
4317 | if (pf == 0 || pf == 10) |
… | |
… | |
4238 | } |
4328 | } |
4239 | } |
4329 | } |
4240 | } |
4330 | } |
4241 | |
4331 | |
4242 | case OP_SYM2STR: /* symbol->string */ |
4332 | case OP_SYM2STR: /* symbol->string */ |
4243 | x = mk_string (SCHEME_A_ symname (car (SCHEME_V->args))); |
4333 | x = mk_string (SCHEME_A_ symname (x)); |
4244 | setimmutable (x); |
4334 | setimmutable (x); |
4245 | s_return (x); |
4335 | s_return (x); |
4246 | |
4336 | |
4247 | case OP_ATOM2STR: /* atom->string */ |
4337 | case OP_ATOM2STR: /* atom->string */ |
4248 | { |
4338 | { |
4249 | long pf = 0; |
4339 | long pf = 0; |
4250 | |
4340 | |
4251 | x = car (SCHEME_V->args); |
|
|
4252 | |
|
|
4253 | if (cdr (SCHEME_V->args) != NIL) |
4341 | if (cdr (args) != NIL) |
4254 | { |
4342 | { |
4255 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4343 | /* we know cadr(args) is a natural number */ |
4256 | /* see if it is 2, 8, 10, or 16, or error */ |
4344 | /* see if it is 2, 8, 10, or 16, or error */ |
4257 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4345 | pf = ivalue_unchecked (cadr (args)); |
4258 | |
4346 | |
4259 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4347 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4260 | { |
4348 | { |
4261 | /* base is OK */ |
4349 | /* base is OK */ |
4262 | } |
4350 | } |
4263 | else |
4351 | else |
4264 | pf = -1; |
4352 | pf = -1; |
4265 | } |
4353 | } |
4266 | |
4354 | |
4267 | if (pf < 0) |
4355 | if (pf < 0) |
4268 | Error_1 ("atom->string: bad base:", cadr (SCHEME_V->args)); |
4356 | Error_1 ("atom->string: bad base:", cadr (args)); |
4269 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4357 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4270 | { |
4358 | { |
4271 | char *p; |
4359 | char *p; |
4272 | int len; |
4360 | int len; |
4273 | |
4361 | |
… | |
… | |
4278 | Error_1 ("atom->string: not an atom:", x); |
4366 | Error_1 ("atom->string: not an atom:", x); |
4279 | } |
4367 | } |
4280 | |
4368 | |
4281 | case OP_MKSTRING: /* make-string */ |
4369 | case OP_MKSTRING: /* make-string */ |
4282 | { |
4370 | { |
4283 | int fill = ' '; |
4371 | int fill = cdr (args) != NIL ? charvalue (cadr (args)) : ' '; |
4284 | int len; |
4372 | int len = ivalue_unchecked (x); |
4285 | |
4373 | |
4286 | len = ivalue (car (SCHEME_V->args)); |
|
|
4287 | |
|
|
4288 | if (cdr (SCHEME_V->args) != NIL) |
|
|
4289 | fill = charvalue (cadr (SCHEME_V->args)); |
|
|
4290 | |
|
|
4291 | s_return (mk_empty_string (SCHEME_A_ len, (char) fill)); |
4374 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4292 | } |
4375 | } |
4293 | |
4376 | |
4294 | case OP_STRLEN: /* string-length */ |
4377 | case OP_STRLEN: /* string-length */ |
4295 | s_return (mk_integer (SCHEME_A_ strlength (car (SCHEME_V->args)))); |
4378 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4296 | |
4379 | |
4297 | case OP_STRREF: /* string-ref */ |
4380 | case OP_STRREF: /* string-ref */ |
4298 | { |
4381 | { |
4299 | char *str; |
4382 | char *str = strvalue (x); |
4300 | int index; |
|
|
4301 | |
|
|
4302 | str = strvalue (car (SCHEME_V->args)); |
|
|
4303 | |
|
|
4304 | index = ivalue (cadr (SCHEME_V->args)); |
4383 | int index = ivalue_unchecked (cadr (args)); |
4305 | |
4384 | |
4306 | if (index >= strlength (car (SCHEME_V->args))) |
4385 | if (index >= strlength (x)) |
4307 | Error_1 ("string-ref: out of bounds:", cadr (SCHEME_V->args)); |
4386 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4308 | |
4387 | |
4309 | s_return (mk_character (SCHEME_A_ ((unsigned char *) str)[index])); |
4388 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4310 | } |
4389 | } |
4311 | |
4390 | |
4312 | case OP_STRSET: /* string-set! */ |
4391 | case OP_STRSET: /* string-set! */ |
4313 | { |
4392 | { |
4314 | char *str; |
4393 | char *str = strvalue (x); |
4315 | int index; |
4394 | int index = ivalue_unchecked (cadr (args)); |
4316 | int c; |
4395 | int c; |
4317 | |
4396 | |
4318 | if (is_immutable (car (SCHEME_V->args))) |
4397 | if (is_immutable (x)) |
4319 | Error_1 ("string-set!: unable to alter immutable string:", car (SCHEME_V->args)); |
4398 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4320 | |
4399 | |
4321 | str = strvalue (car (SCHEME_V->args)); |
|
|
4322 | |
|
|
4323 | index = ivalue (cadr (SCHEME_V->args)); |
|
|
4324 | |
|
|
4325 | if (index >= strlength (car (SCHEME_V->args))) |
4400 | if (index >= strlength (x)) |
4326 | Error_1 ("string-set!: out of bounds:", cadr (SCHEME_V->args)); |
4401 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4327 | |
4402 | |
4328 | c = charvalue (caddr (SCHEME_V->args)); |
4403 | c = charvalue (caddr (args)); |
4329 | |
4404 | |
4330 | str[index] = (char) c; |
4405 | str[index] = c; |
4331 | s_return (car (SCHEME_V->args)); |
4406 | s_return (car (args)); |
4332 | } |
4407 | } |
4333 | |
4408 | |
4334 | case OP_STRAPPEND: /* string-append */ |
4409 | case OP_STRAPPEND: /* string-append */ |
4335 | { |
4410 | { |
4336 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4411 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4337 | int len = 0; |
4412 | int len = 0; |
4338 | pointer newstr; |
4413 | pointer newstr; |
4339 | char *pos; |
4414 | char *pos; |
4340 | |
4415 | |
4341 | /* compute needed length for new string */ |
4416 | /* compute needed length for new string */ |
4342 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4417 | for (x = args; x != NIL; x = cdr (x)) |
4343 | len += strlength (car (x)); |
4418 | len += strlength (car (x)); |
4344 | |
4419 | |
4345 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4420 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4346 | |
4421 | |
4347 | /* store the contents of the argument strings into the new string */ |
4422 | /* store the contents of the argument strings into the new string */ |
4348 | for (pos = strvalue (newstr), x = SCHEME_V->args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4423 | for (pos = strvalue (newstr), x = args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4349 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4424 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4350 | |
4425 | |
4351 | s_return (newstr); |
4426 | s_return (newstr); |
4352 | } |
4427 | } |
4353 | |
4428 | |
4354 | case OP_SUBSTR: /* substring */ |
4429 | case OP_SUBSTR: /* substring */ |
4355 | { |
4430 | { |
4356 | char *str; |
4431 | char *str = strvalue (x); |
4357 | int index0; |
4432 | int index0 = ivalue_unchecked (cadr (args)); |
4358 | int index1; |
4433 | int index1; |
4359 | int len; |
4434 | int len; |
4360 | |
4435 | |
4361 | str = strvalue (car (SCHEME_V->args)); |
|
|
4362 | |
|
|
4363 | index0 = ivalue (cadr (SCHEME_V->args)); |
|
|
4364 | |
|
|
4365 | if (index0 > strlength (car (SCHEME_V->args))) |
4436 | if (index0 > strlength (x)) |
4366 | Error_1 ("substring: start out of bounds:", cadr (SCHEME_V->args)); |
4437 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4367 | |
4438 | |
4368 | if (cddr (SCHEME_V->args) != NIL) |
4439 | if (cddr (args) != NIL) |
4369 | { |
4440 | { |
4370 | index1 = ivalue (caddr (SCHEME_V->args)); |
4441 | index1 = ivalue_unchecked (caddr (args)); |
4371 | |
4442 | |
4372 | if (index1 > strlength (car (SCHEME_V->args)) || index1 < index0) |
4443 | if (index1 > strlength (x) || index1 < index0) |
4373 | Error_1 ("substring: end out of bounds:", caddr (SCHEME_V->args)); |
4444 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4374 | } |
4445 | } |
4375 | else |
4446 | else |
4376 | index1 = strlength (car (SCHEME_V->args)); |
4447 | index1 = strlength (x); |
4377 | |
4448 | |
4378 | len = index1 - index0; |
4449 | len = index1 - index0; |
4379 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4450 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4380 | memcpy (strvalue (x), str + index0, len); |
4451 | memcpy (strvalue (x), str + index0, len); |
4381 | strvalue (x)[len] = 0; |
4452 | strvalue (x)[len] = 0; |
… | |
… | |
4385 | |
4456 | |
4386 | case OP_VECTOR: /* vector */ |
4457 | case OP_VECTOR: /* vector */ |
4387 | { |
4458 | { |
4388 | int i; |
4459 | int i; |
4389 | pointer vec; |
4460 | pointer vec; |
4390 | int len = list_length (SCHEME_A_ SCHEME_V->args); |
4461 | int len = list_length (SCHEME_A_ args); |
4391 | |
4462 | |
4392 | if (len < 0) |
4463 | if (len < 0) |
4393 | Error_1 ("vector: not a proper list:", SCHEME_V->args); |
4464 | Error_1 ("vector: not a proper list:", args); |
4394 | |
4465 | |
4395 | vec = mk_vector (SCHEME_A_ len); |
4466 | vec = mk_vector (SCHEME_A_ len); |
4396 | |
4467 | |
4397 | #if USE_ERROR_CHECKING |
4468 | #if USE_ERROR_CHECKING |
4398 | if (SCHEME_V->no_memory) |
4469 | if (SCHEME_V->no_memory) |
4399 | s_return (S_SINK); |
4470 | s_return (S_SINK); |
4400 | #endif |
4471 | #endif |
4401 | |
4472 | |
4402 | for (x = SCHEME_V->args, i = 0; is_pair (x); x = cdr (x), i++) |
4473 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4403 | set_vector_elem (vec, i, car (x)); |
4474 | vector_set (vec, i, car (x)); |
4404 | |
4475 | |
4405 | s_return (vec); |
4476 | s_return (vec); |
4406 | } |
4477 | } |
4407 | |
4478 | |
4408 | case OP_MKVECTOR: /* make-vector */ |
4479 | case OP_MKVECTOR: /* make-vector */ |
4409 | { |
4480 | { |
4410 | pointer fill = NIL; |
4481 | pointer fill = NIL; |
4411 | int len; |
|
|
4412 | pointer vec; |
4482 | pointer vec; |
|
|
4483 | int len = ivalue_unchecked (x); |
4413 | |
4484 | |
4414 | len = ivalue (car (SCHEME_V->args)); |
|
|
4415 | |
|
|
4416 | if (cdr (SCHEME_V->args) != NIL) |
4485 | if (cdr (args) != NIL) |
4417 | fill = cadr (SCHEME_V->args); |
4486 | fill = cadr (args); |
4418 | |
4487 | |
4419 | vec = mk_vector (SCHEME_A_ len); |
4488 | vec = mk_vector (SCHEME_A_ len); |
4420 | |
4489 | |
4421 | #if USE_ERROR_CHECKING |
4490 | #if USE_ERROR_CHECKING |
4422 | if (SCHEME_V->no_memory) |
4491 | if (SCHEME_V->no_memory) |
4423 | s_return (S_SINK); |
4492 | s_return (S_SINK); |
4424 | #endif |
4493 | #endif |
4425 | |
4494 | |
4426 | if (fill != NIL) |
4495 | if (fill != NIL) |
4427 | fill_vector (vec, fill); |
4496 | fill_vector (vec, 0, fill); |
4428 | |
4497 | |
4429 | s_return (vec); |
4498 | s_return (vec); |
4430 | } |
4499 | } |
4431 | |
4500 | |
4432 | case OP_VECLEN: /* vector-length */ |
4501 | case OP_VECLEN: /* vector-length */ |
4433 | s_return (mk_integer (SCHEME_A_ veclength (car (SCHEME_V->args)))); |
4502 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
|
|
4503 | |
|
|
4504 | case OP_VECRESIZE: |
|
|
4505 | vector_resize (x, ivalue_unchecked (cadr (args)), caddr (args)); |
|
|
4506 | s_return (x); |
4434 | |
4507 | |
4435 | case OP_VECREF: /* vector-ref */ |
4508 | case OP_VECREF: /* vector-ref */ |
4436 | { |
4509 | { |
4437 | int index; |
|
|
4438 | |
|
|
4439 | index = ivalue (cadr (SCHEME_V->args)); |
4510 | int index = ivalue_unchecked (cadr (args)); |
4440 | |
4511 | |
4441 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4512 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4442 | Error_1 ("vector-ref: out of bounds:", cadr (SCHEME_V->args)); |
4513 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4443 | |
4514 | |
4444 | s_return (vector_elem (car (SCHEME_V->args), index)); |
4515 | s_return (vector_get (x, index)); |
4445 | } |
4516 | } |
4446 | |
4517 | |
4447 | case OP_VECSET: /* vector-set! */ |
4518 | case OP_VECSET: /* vector-set! */ |
4448 | { |
4519 | { |
4449 | int index; |
4520 | int index = ivalue_unchecked (cadr (args)); |
4450 | |
4521 | |
4451 | if (is_immutable (car (SCHEME_V->args))) |
4522 | if (is_immutable (x)) |
4452 | Error_1 ("vector-set!: unable to alter immutable vector:", car (SCHEME_V->args)); |
4523 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4453 | |
4524 | |
4454 | index = ivalue (cadr (SCHEME_V->args)); |
|
|
4455 | |
|
|
4456 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4525 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4457 | Error_1 ("vector-set!: out of bounds:", cadr (SCHEME_V->args)); |
4526 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4458 | |
4527 | |
4459 | set_vector_elem (car (SCHEME_V->args), index, caddr (SCHEME_V->args)); |
4528 | vector_set (x, index, caddr (args)); |
4460 | s_return (car (SCHEME_V->args)); |
4529 | s_return (x); |
4461 | } |
4530 | } |
4462 | } |
4531 | } |
4463 | |
4532 | |
4464 | return S_T; |
4533 | if (USE_ERROR_CHECKING) abort (); |
4465 | } |
4534 | } |
4466 | |
4535 | |
4467 | INTERFACE int |
|
|
4468 | is_list (SCHEME_P_ pointer a) |
|
|
4469 | { |
|
|
4470 | return list_length (SCHEME_A_ a) >= 0; |
|
|
4471 | } |
|
|
4472 | |
|
|
4473 | /* Result is: |
|
|
4474 | proper list: length |
|
|
4475 | circular list: -1 |
|
|
4476 | not even a pair: -2 |
|
|
4477 | dotted list: -2 minus length before dot |
|
|
4478 | */ |
|
|
4479 | INTERFACE int |
|
|
4480 | list_length (SCHEME_P_ pointer a) |
|
|
4481 | { |
|
|
4482 | int i = 0; |
|
|
4483 | pointer slow, fast; |
|
|
4484 | |
|
|
4485 | slow = fast = a; |
|
|
4486 | |
|
|
4487 | while (1) |
|
|
4488 | { |
|
|
4489 | if (fast == NIL) |
|
|
4490 | return i; |
|
|
4491 | |
|
|
4492 | if (!is_pair (fast)) |
|
|
4493 | return -2 - i; |
|
|
4494 | |
|
|
4495 | fast = cdr (fast); |
|
|
4496 | ++i; |
|
|
4497 | |
|
|
4498 | if (fast == NIL) |
|
|
4499 | return i; |
|
|
4500 | |
|
|
4501 | if (!is_pair (fast)) |
|
|
4502 | return -2 - i; |
|
|
4503 | |
|
|
4504 | ++i; |
|
|
4505 | fast = cdr (fast); |
|
|
4506 | |
|
|
4507 | /* Safe because we would have already returned if `fast' |
|
|
4508 | encountered a non-pair. */ |
|
|
4509 | slow = cdr (slow); |
|
|
4510 | |
|
|
4511 | if (fast == slow) |
|
|
4512 | { |
|
|
4513 | /* the fast pointer has looped back around and caught up |
|
|
4514 | with the slow pointer, hence the structure is circular, |
|
|
4515 | not of finite length, and therefore not a list */ |
|
|
4516 | return -1; |
|
|
4517 | } |
|
|
4518 | } |
|
|
4519 | } |
|
|
4520 | |
|
|
4521 | static pointer |
4536 | static int |
4522 | opexe_r (SCHEME_P_ enum scheme_opcodes op) |
4537 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4523 | { |
4538 | { |
4524 | pointer x = SCHEME_V->args; |
4539 | pointer x = SCHEME_V->args; |
4525 | |
4540 | |
4526 | for (;;) |
4541 | for (;;) |
4527 | { |
4542 | { |
… | |
… | |
4547 | } |
4562 | } |
4548 | |
4563 | |
4549 | s_return (S_T); |
4564 | s_return (S_T); |
4550 | } |
4565 | } |
4551 | |
4566 | |
4552 | static pointer |
4567 | static int |
4553 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4568 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4554 | { |
4569 | { |
4555 | pointer x = SCHEME_V->args; |
4570 | pointer args = SCHEME_V->args; |
4556 | pointer a = car (x); |
4571 | pointer a = car (args); |
4557 | pointer d = cdr (x); |
4572 | pointer d = cdr (args); |
4558 | int r; |
4573 | int r; |
4559 | |
4574 | |
4560 | switch (op) |
4575 | switch (op) |
4561 | { |
4576 | { |
4562 | case OP_NOT: /* not */ |
4577 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4563 | r = is_false (a); break; |
4578 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T ; break; |
4564 | |
4579 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
4565 | case OP_BOOLP: /* boolean? */ |
4580 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
4566 | r = a == S_F || a == S_T; break; |
4581 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
4567 | |
4582 | case OP_GENSYMP: /* gensym? */ r = is_gensym (SCHEME_A_ a); break; |
4568 | case OP_EOFOBJP: /* eof-object? */ |
4583 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
4569 | r = a == S_EOF; break; |
4584 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
4570 | |
4585 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4571 | case OP_NULLP: /* null? */ |
4586 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4572 | r = a == NIL; break; |
4587 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4573 | |
|
|
4574 | case OP_SYMBOLP: /* symbol? */ |
|
|
4575 | r = is_symbol (a); break; |
|
|
4576 | |
|
|
4577 | case OP_NUMBERP: /* number? */ |
|
|
4578 | r = is_number (a); break; |
|
|
4579 | |
|
|
4580 | case OP_STRINGP: /* string? */ |
|
|
4581 | r = is_string (a); break; |
|
|
4582 | |
|
|
4583 | case OP_INTEGERP: /* integer? */ |
|
|
4584 | r = is_integer (a); break; |
|
|
4585 | |
|
|
4586 | case OP_REALP: /* real? */ |
|
|
4587 | r = is_number (a); break; /* all numbers are real */ |
|
|
4588 | |
|
|
4589 | case OP_CHARP: /* char? */ |
|
|
4590 | r = is_character (a); break; |
|
|
4591 | |
4588 | |
4592 | #if USE_CHAR_CLASSIFIERS |
4589 | #if USE_CHAR_CLASSIFIERS |
4593 | case OP_CHARAP: /* char-alphabetic? */ |
4590 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue_unchecked (a)); break; |
4594 | r = Cisalpha (ivalue (a)); break; |
4591 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue_unchecked (a)); break; |
4595 | |
4592 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue_unchecked (a)); break; |
4596 | case OP_CHARNP: /* char-numeric? */ |
4593 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue_unchecked (a)); break; |
4597 | r = Cisdigit (ivalue (a)); break; |
4594 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue_unchecked (a)); break; |
4598 | |
|
|
4599 | case OP_CHARWP: /* char-whitespace? */ |
|
|
4600 | r = Cisspace (ivalue (a)); break; |
|
|
4601 | |
|
|
4602 | case OP_CHARUP: /* char-upper-case? */ |
|
|
4603 | r = Cisupper (ivalue (a)); break; |
|
|
4604 | |
|
|
4605 | case OP_CHARLP: /* char-lower-case? */ |
|
|
4606 | r = Cislower (ivalue (a)); break; |
|
|
4607 | #endif |
4595 | #endif |
4608 | |
4596 | |
4609 | #if USE_PORTS |
4597 | #if USE_PORTS |
4610 | case OP_PORTP: /* port? */ |
4598 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4611 | r = is_port (a); break; |
|
|
4612 | |
|
|
4613 | case OP_INPORTP: /* input-port? */ |
4599 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4614 | r = is_inport (a); break; |
|
|
4615 | |
|
|
4616 | case OP_OUTPORTP: /* output-port? */ |
4600 | case OP_OUTPORTP: /* output-port? */ r = is_outport (a); break; |
4617 | r = is_outport (a); break; |
|
|
4618 | #endif |
4601 | #endif |
4619 | |
4602 | |
4620 | case OP_PROCP: /* procedure? */ |
4603 | case OP_PROCP: /* procedure? */ |
4621 | |
4604 | |
4622 | /*-- |
4605 | /*-- |
… | |
… | |
4625 | * in R^3 report sec. 6.9 |
4608 | * in R^3 report sec. 6.9 |
4626 | */ |
4609 | */ |
4627 | r = is_proc (a) || is_closure (a) || is_continuation (a) || is_foreign (a); |
4610 | r = is_proc (a) || is_closure (a) || is_continuation (a) || is_foreign (a); |
4628 | break; |
4611 | break; |
4629 | |
4612 | |
4630 | case OP_PAIRP: /* pair? */ |
4613 | case OP_PAIRP: /* pair? */ r = is_pair (a) ; break; |
4631 | r = is_pair (a); break; |
4614 | case OP_LISTP: /* list? */ r = list_length (SCHEME_A_ a) >= 0; break; |
4632 | |
4615 | case OP_ENVP: /* environment? */ r = is_environment (a) ; break; |
4633 | case OP_LISTP: /* list? */ |
4616 | case OP_VECTORP: /* vector? */ r = is_vector (a) ; break; |
4634 | r = list_length (SCHEME_A_ a) >= 0; break; |
4617 | case OP_EQ: /* eq? */ r = a == cadr (args) ; break; |
4635 | |
4618 | case OP_EQV: /* eqv? */ r = eqv (a, cadr (args)) ; break; |
4636 | case OP_ENVP: /* environment? */ |
|
|
4637 | r = is_environment (a); break; |
|
|
4638 | |
|
|
4639 | case OP_VECTORP: /* vector? */ |
|
|
4640 | r = is_vector (a); break; |
|
|
4641 | |
|
|
4642 | case OP_EQ: /* eq? */ |
|
|
4643 | r = a == cadr (x); break; |
|
|
4644 | |
|
|
4645 | case OP_EQV: /* eqv? */ |
|
|
4646 | r = eqv (a, cadr (x)); break; |
|
|
4647 | } |
4619 | } |
4648 | |
4620 | |
4649 | s_retbool (r); |
4621 | s_retbool (r); |
4650 | } |
4622 | } |
4651 | |
4623 | |
4652 | static pointer |
4624 | static int |
4653 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4625 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4654 | { |
4626 | { |
|
|
4627 | pointer args = SCHEME_V->args; |
|
|
4628 | pointer a = car (args); |
4655 | pointer x, y; |
4629 | pointer x, y; |
4656 | |
4630 | |
4657 | switch (op) |
4631 | switch (op) |
4658 | { |
4632 | { |
4659 | case OP_FORCE: /* force */ |
4633 | case OP_FORCE: /* force */ |
4660 | SCHEME_V->code = car (SCHEME_V->args); |
4634 | SCHEME_V->code = a; |
4661 | |
4635 | |
4662 | if (is_promise (SCHEME_V->code)) |
4636 | if (is_promise (SCHEME_V->code)) |
4663 | { |
4637 | { |
4664 | /* Should change type to closure here */ |
4638 | /* Should change type to closure here */ |
4665 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
4639 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
… | |
… | |
4686 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4660 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4687 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4661 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4688 | } |
4662 | } |
4689 | } |
4663 | } |
4690 | |
4664 | |
4691 | SCHEME_V->args = car (SCHEME_V->args); |
4665 | SCHEME_V->args = a; |
4692 | |
4666 | |
4693 | if (op == OP_WRITE) |
4667 | if (op == OP_WRITE) |
4694 | SCHEME_V->print_flag = 1; |
4668 | SCHEME_V->print_flag = 1; |
4695 | else |
4669 | else |
4696 | SCHEME_V->print_flag = 0; |
4670 | SCHEME_V->print_flag = 0; |
4697 | |
4671 | |
4698 | s_goto (OP_P0LIST); |
4672 | s_goto (OP_P0LIST); |
4699 | |
4673 | |
4700 | case OP_NEWLINE: /* newline */ |
4674 | case OP_NEWLINE: /* newline */ |
4701 | if (is_pair (SCHEME_V->args)) |
4675 | if (is_pair (args)) |
4702 | { |
4676 | { |
4703 | if (car (SCHEME_V->args) != SCHEME_V->outport) |
4677 | if (a != SCHEME_V->outport) |
4704 | { |
4678 | { |
4705 | x = cons (SCHEME_V->outport, NIL); |
4679 | x = cons (SCHEME_V->outport, NIL); |
4706 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4680 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4707 | SCHEME_V->outport = car (SCHEME_V->args); |
4681 | SCHEME_V->outport = a; |
4708 | } |
4682 | } |
4709 | } |
4683 | } |
4710 | |
4684 | |
4711 | putstr (SCHEME_A_ "\n"); |
4685 | putstr (SCHEME_A_ "\n"); |
4712 | s_return (S_T); |
4686 | s_return (S_T); |
4713 | #endif |
4687 | #endif |
4714 | |
4688 | |
4715 | case OP_ERR0: /* error */ |
4689 | case OP_ERR0: /* error */ |
4716 | SCHEME_V->retcode = -1; |
4690 | SCHEME_V->retcode = -1; |
4717 | |
4691 | |
4718 | if (!is_string (car (SCHEME_V->args))) |
4692 | if (!is_string (a)) |
4719 | { |
4693 | { |
4720 | SCHEME_V->args = cons (mk_string (SCHEME_A_ " -- "), SCHEME_V->args); |
4694 | args = cons (mk_string (SCHEME_A_ " -- "), args); |
4721 | setimmutable (car (SCHEME_V->args)); |
4695 | setimmutable (car (args)); |
4722 | } |
4696 | } |
4723 | |
4697 | |
4724 | putstr (SCHEME_A_ "Error: "); |
4698 | putstr (SCHEME_A_ "Error: "); |
4725 | putstr (SCHEME_A_ strvalue (car (SCHEME_V->args))); |
4699 | putstr (SCHEME_A_ strvalue (car (args))); |
4726 | SCHEME_V->args = cdr (SCHEME_V->args); |
4700 | SCHEME_V->args = cdr (args); |
4727 | s_goto (OP_ERR1); |
4701 | s_goto (OP_ERR1); |
4728 | |
4702 | |
4729 | case OP_ERR1: /* error */ |
4703 | case OP_ERR1: /* error */ |
4730 | putstr (SCHEME_A_ " "); |
4704 | putstr (SCHEME_A_ " "); |
4731 | |
4705 | |
4732 | if (SCHEME_V->args != NIL) |
4706 | if (args != NIL) |
4733 | { |
4707 | { |
4734 | s_save (SCHEME_A_ OP_ERR1, cdr (SCHEME_V->args), NIL); |
4708 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
4735 | SCHEME_V->args = car (SCHEME_V->args); |
4709 | SCHEME_V->args = a; |
4736 | SCHEME_V->print_flag = 1; |
4710 | SCHEME_V->print_flag = 1; |
4737 | s_goto (OP_P0LIST); |
4711 | s_goto (OP_P0LIST); |
4738 | } |
4712 | } |
4739 | else |
4713 | else |
4740 | { |
4714 | { |
4741 | putstr (SCHEME_A_ "\n"); |
4715 | putstr (SCHEME_A_ "\n"); |
4742 | |
4716 | |
4743 | if (SCHEME_V->interactive_repl) |
4717 | if (SCHEME_V->interactive_repl) |
4744 | s_goto (OP_T0LVL); |
4718 | s_goto (OP_T0LVL); |
4745 | else |
4719 | else |
4746 | return NIL; |
4720 | return -1; |
4747 | } |
4721 | } |
4748 | |
4722 | |
4749 | case OP_REVERSE: /* reverse */ |
4723 | case OP_REVERSE: /* reverse */ |
4750 | s_return (reverse (SCHEME_A_ car (SCHEME_V->args))); |
4724 | s_return (reverse (SCHEME_A_ a)); |
4751 | |
4725 | |
4752 | case OP_LIST_STAR: /* list* */ |
4726 | case OP_LIST_STAR: /* list* */ |
4753 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4727 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4754 | |
4728 | |
4755 | case OP_APPEND: /* append */ |
4729 | case OP_APPEND: /* append */ |
4756 | x = NIL; |
4730 | x = NIL; |
4757 | y = SCHEME_V->args; |
4731 | y = args; |
4758 | |
4732 | |
4759 | if (y == x) |
4733 | if (y == x) |
4760 | s_return (x); |
4734 | s_return (x); |
4761 | |
4735 | |
4762 | /* cdr() in the while condition is not a typo. If car() */ |
4736 | /* cdr() in the while condition is not a typo. If car() */ |
… | |
… | |
4773 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4747 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4774 | |
4748 | |
4775 | #if USE_PLIST |
4749 | #if USE_PLIST |
4776 | |
4750 | |
4777 | case OP_PUT: /* put */ |
4751 | case OP_PUT: /* put */ |
4778 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4752 | if (!hasprop (a) || !hasprop (cadr (args))) |
4779 | Error_0 ("illegal use of put"); |
4753 | Error_0 ("illegal use of put"); |
4780 | |
4754 | |
4781 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4755 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4782 | { |
4756 | { |
4783 | if (caar (x) == y) |
4757 | if (caar (x) == y) |
4784 | break; |
4758 | break; |
4785 | } |
4759 | } |
4786 | |
4760 | |
4787 | if (x != NIL) |
4761 | if (x != NIL) |
4788 | cdar (x) = caddr (SCHEME_V->args); |
4762 | cdar (x) = caddr (args); |
4789 | else |
4763 | else |
4790 | symprop (car (SCHEME_V->args)) = cons (cons (y, caddr (SCHEME_V->args)), symprop (car (SCHEME_V->args))); |
4764 | symprop (a) = cons (cons (y, caddr (args)), symprop (a)); |
4791 | |
4765 | |
4792 | s_return (S_T); |
4766 | s_return (S_T); |
4793 | |
4767 | |
4794 | case OP_GET: /* get */ |
4768 | case OP_GET: /* get */ |
4795 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4769 | if (!hasprop (a) || !hasprop (cadr (args))) |
4796 | Error_0 ("illegal use of get"); |
4770 | Error_0 ("illegal use of get"); |
4797 | |
4771 | |
4798 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4772 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4799 | if (caar (x) == y) |
4773 | if (caar (x) == y) |
4800 | break; |
4774 | break; |
4801 | |
4775 | |
4802 | if (x != NIL) |
4776 | if (x != NIL) |
4803 | s_return (cdar (x)); |
4777 | s_return (cdar (x)); |
… | |
… | |
4805 | s_return (NIL); |
4779 | s_return (NIL); |
4806 | |
4780 | |
4807 | #endif /* USE_PLIST */ |
4781 | #endif /* USE_PLIST */ |
4808 | |
4782 | |
4809 | case OP_QUIT: /* quit */ |
4783 | case OP_QUIT: /* quit */ |
4810 | if (is_pair (SCHEME_V->args)) |
4784 | if (is_pair (args)) |
4811 | SCHEME_V->retcode = ivalue (car (SCHEME_V->args)); |
4785 | SCHEME_V->retcode = ivalue (a); |
4812 | |
4786 | |
4813 | return NIL; |
4787 | return -1; |
4814 | |
4788 | |
4815 | case OP_GC: /* gc */ |
4789 | case OP_GC: /* gc */ |
4816 | gc (SCHEME_A_ NIL, NIL); |
4790 | gc (SCHEME_A_ NIL, NIL); |
4817 | s_return (S_T); |
4791 | s_return (S_T); |
4818 | |
4792 | |
4819 | case OP_GCVERB: /* gc-verbose */ |
4793 | case OP_GCVERB: /* gc-verbose */ |
4820 | { |
4794 | { |
4821 | int was = SCHEME_V->gc_verbose; |
4795 | int was = SCHEME_V->gc_verbose; |
4822 | |
4796 | |
4823 | SCHEME_V->gc_verbose = (car (SCHEME_V->args) != S_F); |
4797 | SCHEME_V->gc_verbose = (a != S_F); |
4824 | s_retbool (was); |
4798 | s_retbool (was); |
4825 | } |
4799 | } |
4826 | |
4800 | |
4827 | case OP_NEWSEGMENT: /* new-segment */ |
4801 | case OP_NEWSEGMENT: /* new-segment */ |
4828 | if (!is_pair (SCHEME_V->args) || !is_number (car (SCHEME_V->args))) |
4802 | if (!is_pair (args) || !is_number (a)) |
4829 | Error_0 ("new-segment: argument must be a number"); |
4803 | Error_0 ("new-segment: argument must be a number"); |
4830 | |
4804 | |
4831 | alloc_cellseg (SCHEME_A_ (int)ivalue (car (SCHEME_V->args))); |
4805 | alloc_cellseg (SCHEME_A_ ivalue (a)); |
4832 | |
4806 | |
4833 | s_return (S_T); |
4807 | s_return (S_T); |
4834 | |
4808 | |
4835 | case OP_OBLIST: /* oblist */ |
4809 | case OP_OBLIST: /* oblist */ |
4836 | s_return (oblist_all_symbols (SCHEME_A)); |
4810 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4863 | case OP_OPEN_INOUTFILE: |
4837 | case OP_OPEN_INOUTFILE: |
4864 | prop = port_input | port_output; |
4838 | prop = port_input | port_output; |
4865 | break; |
4839 | break; |
4866 | } |
4840 | } |
4867 | |
4841 | |
4868 | p = port_from_filename (SCHEME_A_ strvalue (car (SCHEME_V->args)), prop); |
4842 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4869 | |
4843 | |
4870 | if (p == NIL) |
4844 | s_return (p == NIL ? S_F : p); |
4871 | s_return (S_F); |
|
|
4872 | |
|
|
4873 | s_return (p); |
|
|
4874 | } |
4845 | } |
4875 | |
4846 | |
4876 | # if USE_STRING_PORTS |
4847 | # if USE_STRING_PORTS |
4877 | |
4848 | |
4878 | case OP_OPEN_INSTRING: /* open-input-string */ |
4849 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4890 | case OP_OPEN_INOUTSTRING: |
4861 | case OP_OPEN_INOUTSTRING: |
4891 | prop = port_input | port_output; |
4862 | prop = port_input | port_output; |
4892 | break; |
4863 | break; |
4893 | } |
4864 | } |
4894 | |
4865 | |
4895 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4866 | p = port_from_string (SCHEME_A_ strvalue (a), |
4896 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), prop); |
4867 | strvalue (a) + strlength (a), prop); |
4897 | |
4868 | |
4898 | if (p == NIL) |
4869 | s_return (p == NIL ? S_F : p); |
4899 | s_return (S_F); |
|
|
4900 | |
|
|
4901 | s_return (p); |
|
|
4902 | } |
4870 | } |
4903 | |
4871 | |
4904 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4872 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4905 | { |
4873 | { |
4906 | pointer p; |
4874 | pointer p; |
4907 | |
4875 | |
4908 | if (car (SCHEME_V->args) == NIL) |
4876 | if (a == NIL) |
4909 | { |
|
|
4910 | p = port_from_scratch (SCHEME_A); |
4877 | p = port_from_scratch (SCHEME_A); |
4911 | |
|
|
4912 | if (p == NIL) |
|
|
4913 | s_return (S_F); |
|
|
4914 | } |
|
|
4915 | else |
4878 | else |
4916 | { |
|
|
4917 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4879 | p = port_from_string (SCHEME_A_ strvalue (a), |
4918 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), port_output); |
4880 | strvalue (a) + strlength (a), port_output); |
4919 | |
4881 | |
4920 | if (p == NIL) |
4882 | s_return (p == NIL ? S_F : p); |
4921 | s_return (S_F); |
|
|
4922 | } |
|
|
4923 | |
|
|
4924 | s_return (p); |
|
|
4925 | } |
4883 | } |
4926 | |
4884 | |
4927 | case OP_GET_OUTSTRING: /* get-output-string */ |
4885 | case OP_GET_OUTSTRING: /* get-output-string */ |
4928 | { |
4886 | { |
4929 | port *p; |
4887 | port *p; |
4930 | |
4888 | |
4931 | if ((p = car (SCHEME_V->args)->object.port)->kind & port_string) |
4889 | if ((p = a->object.port)->kind & port_string) |
4932 | { |
4890 | { |
4933 | off_t size; |
4891 | off_t size; |
4934 | char *str; |
4892 | char *str; |
4935 | |
4893 | |
4936 | size = p->rep.string.curr - p->rep.string.start + 1; |
4894 | size = p->rep.string.curr - p->rep.string.start + 1; |
… | |
… | |
4952 | } |
4910 | } |
4953 | |
4911 | |
4954 | # endif |
4912 | # endif |
4955 | |
4913 | |
4956 | case OP_CLOSE_INPORT: /* close-input-port */ |
4914 | case OP_CLOSE_INPORT: /* close-input-port */ |
4957 | port_close (SCHEME_A_ car (SCHEME_V->args), port_input); |
4915 | port_close (SCHEME_A_ a, port_input); |
4958 | s_return (S_T); |
4916 | s_return (S_T); |
4959 | |
4917 | |
4960 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
4918 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
4961 | port_close (SCHEME_A_ car (SCHEME_V->args), port_output); |
4919 | port_close (SCHEME_A_ a, port_output); |
4962 | s_return (S_T); |
4920 | s_return (S_T); |
4963 | #endif |
4921 | #endif |
4964 | |
4922 | |
4965 | case OP_INT_ENV: /* interaction-environment */ |
4923 | case OP_INT_ENV: /* interaction-environment */ |
4966 | s_return (SCHEME_V->global_env); |
4924 | s_return (SCHEME_V->global_env); |
… | |
… | |
4968 | case OP_CURR_ENV: /* current-environment */ |
4926 | case OP_CURR_ENV: /* current-environment */ |
4969 | s_return (SCHEME_V->envir); |
4927 | s_return (SCHEME_V->envir); |
4970 | |
4928 | |
4971 | } |
4929 | } |
4972 | |
4930 | |
4973 | abort (); |
4931 | if (USE_ERROR_CHECKING) abort (); |
4974 | } |
4932 | } |
4975 | |
4933 | |
4976 | static pointer |
4934 | static int |
4977 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4935 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4978 | { |
4936 | { |
|
|
4937 | pointer args = SCHEME_V->args; |
4979 | pointer x; |
4938 | pointer x; |
4980 | |
4939 | |
4981 | if (SCHEME_V->nesting != 0) |
4940 | if (SCHEME_V->nesting != 0) |
4982 | { |
4941 | { |
4983 | int n = SCHEME_V->nesting; |
4942 | int n = SCHEME_V->nesting; |
… | |
… | |
4990 | switch (op) |
4949 | switch (op) |
4991 | { |
4950 | { |
4992 | /* ========== reading part ========== */ |
4951 | /* ========== reading part ========== */ |
4993 | #if USE_PORTS |
4952 | #if USE_PORTS |
4994 | case OP_READ: |
4953 | case OP_READ: |
4995 | if (!is_pair (SCHEME_V->args)) |
4954 | if (!is_pair (args)) |
4996 | s_goto (OP_READ_INTERNAL); |
4955 | s_goto (OP_READ_INTERNAL); |
4997 | |
4956 | |
4998 | if (!is_inport (car (SCHEME_V->args))) |
4957 | if (!is_inport (car (args))) |
4999 | Error_1 ("read: not an input port:", car (SCHEME_V->args)); |
4958 | Error_1 ("read: not an input port:", car (args)); |
5000 | |
4959 | |
5001 | if (car (SCHEME_V->args) == SCHEME_V->inport) |
4960 | if (car (args) == SCHEME_V->inport) |
5002 | s_goto (OP_READ_INTERNAL); |
4961 | s_goto (OP_READ_INTERNAL); |
5003 | |
4962 | |
5004 | x = SCHEME_V->inport; |
4963 | x = SCHEME_V->inport; |
5005 | SCHEME_V->inport = car (SCHEME_V->args); |
4964 | SCHEME_V->inport = car (args); |
5006 | x = cons (x, NIL); |
4965 | x = cons (x, NIL); |
5007 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4966 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5008 | s_goto (OP_READ_INTERNAL); |
4967 | s_goto (OP_READ_INTERNAL); |
5009 | |
4968 | |
5010 | case OP_READ_CHAR: /* read-char */ |
4969 | case OP_READ_CHAR: /* read-char */ |
5011 | case OP_PEEK_CHAR: /* peek-char */ |
4970 | case OP_PEEK_CHAR: /* peek-char */ |
5012 | { |
4971 | { |
5013 | int c; |
4972 | int c; |
5014 | |
4973 | |
5015 | if (is_pair (SCHEME_V->args)) |
4974 | if (is_pair (args)) |
5016 | { |
4975 | { |
5017 | if (car (SCHEME_V->args) != SCHEME_V->inport) |
4976 | if (car (args) != SCHEME_V->inport) |
5018 | { |
4977 | { |
5019 | x = SCHEME_V->inport; |
4978 | x = SCHEME_V->inport; |
5020 | x = cons (x, NIL); |
4979 | x = cons (x, NIL); |
5021 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4980 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5022 | SCHEME_V->inport = car (SCHEME_V->args); |
4981 | SCHEME_V->inport = car (args); |
5023 | } |
4982 | } |
5024 | } |
4983 | } |
5025 | |
4984 | |
5026 | c = inchar (SCHEME_A); |
4985 | c = inchar (SCHEME_A); |
5027 | |
4986 | |
… | |
… | |
5037 | case OP_CHAR_READY: /* char-ready? */ |
4996 | case OP_CHAR_READY: /* char-ready? */ |
5038 | { |
4997 | { |
5039 | pointer p = SCHEME_V->inport; |
4998 | pointer p = SCHEME_V->inport; |
5040 | int res; |
4999 | int res; |
5041 | |
5000 | |
5042 | if (is_pair (SCHEME_V->args)) |
5001 | if (is_pair (args)) |
5043 | p = car (SCHEME_V->args); |
5002 | p = car (args); |
5044 | |
5003 | |
5045 | res = p->object.port->kind & port_string; |
5004 | res = p->object.port->kind & port_string; |
5046 | |
5005 | |
5047 | s_retbool (res); |
5006 | s_retbool (res); |
5048 | } |
5007 | } |
5049 | |
5008 | |
5050 | case OP_SET_INPORT: /* set-input-port */ |
5009 | case OP_SET_INPORT: /* set-input-port */ |
5051 | SCHEME_V->inport = car (SCHEME_V->args); |
5010 | SCHEME_V->inport = car (args); |
5052 | s_return (SCHEME_V->value); |
5011 | s_return (SCHEME_V->value); |
5053 | |
5012 | |
5054 | case OP_SET_OUTPORT: /* set-output-port */ |
5013 | case OP_SET_OUTPORT: /* set-output-port */ |
5055 | SCHEME_V->outport = car (SCHEME_V->args); |
5014 | SCHEME_V->outport = car (args); |
5056 | s_return (SCHEME_V->value); |
5015 | s_return (SCHEME_V->value); |
5057 | #endif |
5016 | #endif |
5058 | |
5017 | |
5059 | case OP_RDSEXPR: |
5018 | case OP_RDSEXPR: |
5060 | switch (SCHEME_V->tok) |
5019 | switch (SCHEME_V->tok) |
… | |
… | |
5109 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5068 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5110 | SCHEME_V->tok = token (SCHEME_A); |
5069 | SCHEME_V->tok = token (SCHEME_A); |
5111 | s_goto (OP_RDSEXPR); |
5070 | s_goto (OP_RDSEXPR); |
5112 | |
5071 | |
5113 | case TOK_ATOM: |
5072 | case TOK_ATOM: |
5114 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))); |
5073 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))); |
|
|
5074 | |
|
|
5075 | case TOK_DOTATOM: |
|
|
5076 | SCHEME_V->strbuff[0] = '.'; |
|
|
5077 | s_return (mk_atom (SCHEME_A_ readstr_upto (SCHEME_A_ 1, DELIMITERS))); |
|
|
5078 | |
|
|
5079 | case TOK_STRATOM: |
|
|
5080 | x = readstrexp (SCHEME_A_ '|'); |
|
|
5081 | //TODO: haven't checked whether the garbage collector could interfere |
|
|
5082 | s_return (mk_atom (SCHEME_A_ strvalue (x))); |
5115 | |
5083 | |
5116 | case TOK_DQUOTE: |
5084 | case TOK_DQUOTE: |
5117 | x = readstrexp (SCHEME_A); |
5085 | x = readstrexp (SCHEME_A_ '"'); |
5118 | |
5086 | |
5119 | if (x == S_F) |
5087 | if (x == S_F) |
5120 | Error_0 ("Error reading string"); |
5088 | Error_0 ("Error reading string"); |
5121 | |
5089 | |
5122 | setimmutable (x); |
5090 | setimmutable (x); |
… | |
… | |
5134 | s_goto (OP_EVAL); |
5102 | s_goto (OP_EVAL); |
5135 | } |
5103 | } |
5136 | } |
5104 | } |
5137 | |
5105 | |
5138 | case TOK_SHARP_CONST: |
5106 | case TOK_SHARP_CONST: |
5139 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ DELIMITERS))) == NIL) |
5107 | if ((x = mk_sharp_const (SCHEME_A_ readstr_upto (SCHEME_A_ 0, DELIMITERS))) == NIL) |
5140 | Error_0 ("undefined sharp expression"); |
5108 | Error_0 ("undefined sharp expression"); |
5141 | else |
5109 | else |
5142 | s_return (x); |
5110 | s_return (x); |
5143 | |
5111 | |
5144 | default: |
5112 | default: |
… | |
… | |
5146 | } |
5114 | } |
5147 | |
5115 | |
5148 | break; |
5116 | break; |
5149 | |
5117 | |
5150 | case OP_RDLIST: |
5118 | case OP_RDLIST: |
5151 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
5119 | SCHEME_V->args = cons (SCHEME_V->value, args); |
5152 | SCHEME_V->tok = token (SCHEME_A); |
5120 | SCHEME_V->tok = token (SCHEME_A); |
5153 | |
5121 | |
5154 | switch (SCHEME_V->tok) |
5122 | switch (SCHEME_V->tok) |
5155 | { |
5123 | { |
5156 | case TOK_EOF: |
5124 | case TOK_EOF: |
… | |
… | |
5184 | case OP_RDDOT: |
5152 | case OP_RDDOT: |
5185 | if (token (SCHEME_A) != TOK_RPAREN) |
5153 | if (token (SCHEME_A) != TOK_RPAREN) |
5186 | Error_0 ("syntax error: illegal dot expression"); |
5154 | Error_0 ("syntax error: illegal dot expression"); |
5187 | |
5155 | |
5188 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5156 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5189 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, SCHEME_V->args)); |
5157 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, args)); |
5190 | |
5158 | |
5191 | case OP_RDQUOTE: |
5159 | case OP_RDQUOTE: |
5192 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5160 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5193 | |
5161 | |
5194 | case OP_RDQQUOTE: |
5162 | case OP_RDQQUOTE: |
… | |
… | |
5216 | SCHEME_V->args = SCHEME_V->value; |
5184 | SCHEME_V->args = SCHEME_V->value; |
5217 | s_goto (OP_VECTOR); |
5185 | s_goto (OP_VECTOR); |
5218 | |
5186 | |
5219 | /* ========== printing part ========== */ |
5187 | /* ========== printing part ========== */ |
5220 | case OP_P0LIST: |
5188 | case OP_P0LIST: |
5221 | if (is_vector (SCHEME_V->args)) |
5189 | if (is_vector (args)) |
5222 | { |
5190 | { |
5223 | putstr (SCHEME_A_ "#("); |
5191 | putstr (SCHEME_A_ "#("); |
5224 | SCHEME_V->args = cons (SCHEME_V->args, mk_integer (SCHEME_A_ 0)); |
5192 | SCHEME_V->args = cons (args, mk_integer (SCHEME_A_ 0)); |
5225 | s_goto (OP_PVECFROM); |
5193 | s_goto (OP_PVECFROM); |
5226 | } |
5194 | } |
5227 | else if (is_environment (SCHEME_V->args)) |
5195 | else if (is_environment (args)) |
5228 | { |
5196 | { |
5229 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5197 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5230 | s_return (S_T); |
5198 | s_return (S_T); |
5231 | } |
5199 | } |
5232 | else if (!is_pair (SCHEME_V->args)) |
5200 | else if (!is_pair (args)) |
5233 | { |
5201 | { |
5234 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5202 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5235 | s_return (S_T); |
5203 | s_return (S_T); |
5236 | } |
5204 | } |
5237 | else if (car (SCHEME_V->args) == SCHEME_V->QUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5205 | else |
5238 | { |
5206 | { |
|
|
5207 | pointer a = car (args); |
|
|
5208 | pointer b = cdr (args); |
|
|
5209 | int ok_abbr = ok_abbrev (b); |
|
|
5210 | SCHEME_V->args = car (b); |
|
|
5211 | |
|
|
5212 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5239 | putstr (SCHEME_A_ "'"); |
5213 | putstr (SCHEME_A_ "'"); |
5240 | SCHEME_V->args = cadr (SCHEME_V->args); |
5214 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
|
|
5215 | putstr (SCHEME_A_ "`"); |
|
|
5216 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
|
|
5217 | putstr (SCHEME_A_ ","); |
|
|
5218 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
|
|
5219 | putstr (SCHEME_A_ ",@"); |
|
|
5220 | else |
|
|
5221 | { |
|
|
5222 | putstr (SCHEME_A_ "("); |
|
|
5223 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
|
|
5224 | SCHEME_V->args = a; |
|
|
5225 | } |
|
|
5226 | |
5241 | s_goto (OP_P0LIST); |
5227 | s_goto (OP_P0LIST); |
5242 | } |
5228 | } |
5243 | else if (car (SCHEME_V->args) == SCHEME_V->QQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5229 | |
|
|
5230 | case OP_P1LIST: |
|
|
5231 | if (is_pair (args)) |
5244 | { |
5232 | { |
|
|
5233 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5245 | putstr (SCHEME_A_ "`"); |
5234 | putstr (SCHEME_A_ " "); |
5246 | SCHEME_V->args = cadr (SCHEME_V->args); |
5235 | SCHEME_V->args = car (args); |
5247 | s_goto (OP_P0LIST); |
5236 | s_goto (OP_P0LIST); |
5248 | } |
5237 | } |
5249 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5250 | { |
|
|
5251 | putstr (SCHEME_A_ ","); |
|
|
5252 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5253 | s_goto (OP_P0LIST); |
|
|
5254 | } |
|
|
5255 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTESP && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5256 | { |
|
|
5257 | putstr (SCHEME_A_ ",@"); |
|
|
5258 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5259 | s_goto (OP_P0LIST); |
|
|
5260 | } |
|
|
5261 | else |
|
|
5262 | { |
|
|
5263 | putstr (SCHEME_A_ "("); |
|
|
5264 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5265 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5266 | s_goto (OP_P0LIST); |
|
|
5267 | } |
|
|
5268 | |
|
|
5269 | case OP_P1LIST: |
|
|
5270 | if (is_pair (SCHEME_V->args)) |
|
|
5271 | { |
|
|
5272 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5273 | putstr (SCHEME_A_ " "); |
|
|
5274 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5275 | s_goto (OP_P0LIST); |
|
|
5276 | } |
|
|
5277 | else if (is_vector (SCHEME_V->args)) |
5238 | else if (is_vector (args)) |
5278 | { |
5239 | { |
5279 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5240 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5280 | putstr (SCHEME_A_ " . "); |
5241 | putstr (SCHEME_A_ " . "); |
5281 | s_goto (OP_P0LIST); |
5242 | s_goto (OP_P0LIST); |
5282 | } |
5243 | } |
5283 | else |
5244 | else |
5284 | { |
5245 | { |
5285 | if (SCHEME_V->args != NIL) |
5246 | if (args != NIL) |
5286 | { |
5247 | { |
5287 | putstr (SCHEME_A_ " . "); |
5248 | putstr (SCHEME_A_ " . "); |
5288 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5249 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5289 | } |
5250 | } |
5290 | |
5251 | |
5291 | putstr (SCHEME_A_ ")"); |
5252 | putstr (SCHEME_A_ ")"); |
5292 | s_return (S_T); |
5253 | s_return (S_T); |
5293 | } |
5254 | } |
5294 | |
5255 | |
5295 | case OP_PVECFROM: |
5256 | case OP_PVECFROM: |
5296 | { |
5257 | { |
5297 | int i = ivalue_unchecked (cdr (SCHEME_V->args)); |
5258 | int i = ivalue_unchecked (cdr (args)); |
5298 | pointer vec = car (SCHEME_V->args); |
5259 | pointer vec = car (args); |
5299 | int len = veclength (vec); |
5260 | int len = veclength (vec); |
5300 | |
5261 | |
5301 | if (i == len) |
5262 | if (i == len) |
5302 | { |
5263 | { |
5303 | putstr (SCHEME_A_ ")"); |
5264 | putstr (SCHEME_A_ ")"); |
5304 | s_return (S_T); |
5265 | s_return (S_T); |
5305 | } |
5266 | } |
5306 | else |
5267 | else |
5307 | { |
5268 | { |
5308 | pointer elem = vector_elem (vec, i); |
5269 | pointer elem = vector_get (vec, i); |
5309 | |
5270 | |
5310 | ivalue_unchecked (cdr (SCHEME_V->args)) = i + 1; |
5271 | ivalue_unchecked (cdr (args)) = i + 1; |
5311 | s_save (SCHEME_A_ OP_PVECFROM, SCHEME_V->args, NIL); |
5272 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5312 | SCHEME_V->args = elem; |
5273 | SCHEME_V->args = elem; |
5313 | |
5274 | |
5314 | if (i > 0) |
5275 | if (i > 0) |
5315 | putstr (SCHEME_A_ " "); |
5276 | putstr (SCHEME_A_ " "); |
5316 | |
5277 | |
5317 | s_goto (OP_P0LIST); |
5278 | s_goto (OP_P0LIST); |
5318 | } |
5279 | } |
5319 | } |
5280 | } |
5320 | } |
5281 | } |
5321 | |
5282 | |
5322 | abort (); |
5283 | if (USE_ERROR_CHECKING) abort (); |
5323 | } |
5284 | } |
5324 | |
5285 | |
5325 | static pointer |
5286 | static int |
5326 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5287 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5327 | { |
5288 | { |
|
|
5289 | pointer args = SCHEME_V->args; |
|
|
5290 | pointer a = car (args); |
5328 | pointer x, y; |
5291 | pointer x, y; |
5329 | |
5292 | |
5330 | switch (op) |
5293 | switch (op) |
5331 | { |
5294 | { |
5332 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5295 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5333 | { |
5296 | { |
5334 | long v = list_length (SCHEME_A_ car (SCHEME_V->args)); |
5297 | long v = list_length (SCHEME_A_ a); |
5335 | |
5298 | |
5336 | if (v < 0) |
5299 | if (v < 0) |
5337 | Error_1 ("length: not a list:", car (SCHEME_V->args)); |
5300 | Error_1 ("length: not a list:", a); |
5338 | |
5301 | |
5339 | s_return (mk_integer (SCHEME_A_ v)); |
5302 | s_return (mk_integer (SCHEME_A_ v)); |
5340 | } |
5303 | } |
5341 | |
5304 | |
5342 | case OP_ASSQ: /* assq *//* a.k */ |
5305 | case OP_ASSQ: /* assq *//* a.k */ |
5343 | x = car (SCHEME_V->args); |
5306 | x = a; |
5344 | |
5307 | |
5345 | for (y = cadr (SCHEME_V->args); is_pair (y); y = cdr (y)) |
5308 | for (y = cadr (args); is_pair (y); y = cdr (y)) |
5346 | { |
5309 | { |
5347 | if (!is_pair (car (y))) |
5310 | if (!is_pair (car (y))) |
5348 | Error_0 ("unable to handle non pair element"); |
5311 | Error_0 ("unable to handle non pair element"); |
5349 | |
5312 | |
5350 | if (x == caar (y)) |
5313 | if (x == caar (y)) |
… | |
… | |
5356 | else |
5319 | else |
5357 | s_return (S_F); |
5320 | s_return (S_F); |
5358 | |
5321 | |
5359 | |
5322 | |
5360 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5323 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5361 | SCHEME_V->args = car (SCHEME_V->args); |
5324 | SCHEME_V->args = a; |
5362 | |
5325 | |
5363 | if (SCHEME_V->args == NIL) |
5326 | if (SCHEME_V->args == NIL) |
5364 | s_return (S_F); |
5327 | s_return (S_F); |
5365 | else if (is_closure (SCHEME_V->args)) |
5328 | else if (is_closure (SCHEME_V->args)) |
5366 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5329 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
… | |
… | |
5371 | |
5334 | |
5372 | case OP_CLOSUREP: /* closure? */ |
5335 | case OP_CLOSUREP: /* closure? */ |
5373 | /* |
5336 | /* |
5374 | * Note, macro object is also a closure. |
5337 | * Note, macro object is also a closure. |
5375 | * Therefore, (closure? <#MACRO>) ==> #t |
5338 | * Therefore, (closure? <#MACRO>) ==> #t |
|
|
5339 | * (schmorp) well, obviously not, fix? TODO |
5376 | */ |
5340 | */ |
5377 | s_retbool (is_closure (car (SCHEME_V->args))); |
5341 | s_retbool (is_closure (a)); |
5378 | |
5342 | |
5379 | case OP_MACROP: /* macro? */ |
5343 | case OP_MACROP: /* macro? */ |
5380 | s_retbool (is_macro (car (SCHEME_V->args))); |
5344 | s_retbool (is_macro (a)); |
5381 | } |
5345 | } |
5382 | |
5346 | |
5383 | abort (); |
5347 | if (USE_ERROR_CHECKING) abort (); |
5384 | } |
5348 | } |
5385 | |
5349 | |
|
|
5350 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5386 | typedef pointer (*dispatch_func) (SCHEME_P_ enum scheme_opcodes); |
5351 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5387 | |
5352 | |
5388 | typedef int (*test_predicate) (pointer); |
5353 | typedef int (*test_predicate)(pointer); |
5389 | static int |
5354 | static int |
5390 | is_any (pointer p) |
5355 | tst_any (pointer p) |
5391 | { |
5356 | { |
5392 | return 1; |
5357 | return 1; |
5393 | } |
5358 | } |
5394 | |
5359 | |
5395 | static int |
5360 | static int |
5396 | is_nonneg (pointer p) |
5361 | tst_inonneg (pointer p) |
5397 | { |
5362 | { |
5398 | return ivalue (p) >= 0 && is_integer (p); |
5363 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
|
|
5364 | } |
|
|
5365 | |
|
|
5366 | static int |
|
|
5367 | tst_is_list (SCHEME_P_ pointer p) |
|
|
5368 | { |
|
|
5369 | return p == NIL || is_pair (p); |
5399 | } |
5370 | } |
5400 | |
5371 | |
5401 | /* Correspond carefully with following defines! */ |
5372 | /* Correspond carefully with following defines! */ |
5402 | static struct |
5373 | static struct |
5403 | { |
5374 | { |
5404 | test_predicate fct; |
5375 | test_predicate fct; |
5405 | const char *kind; |
5376 | const char *kind; |
5406 | } tests[] = |
5377 | } tests[] = { |
5407 | { |
5378 | { tst_any , 0 }, |
5408 | { 0, 0}, /* unused */ |
5379 | { is_string , "string" }, |
5409 | { is_any, 0}, |
5380 | { is_symbol , "symbol" }, |
5410 | { is_string, "string" }, |
5381 | { is_port , "port" }, |
5411 | { is_symbol, "symbol" }, |
|
|
5412 | { is_port, "port" }, |
|
|
5413 | { is_inport, "input port" }, |
5382 | { is_inport , "input port" }, |
5414 | { is_outport, "output port" }, |
5383 | { is_outport , "output port" }, |
5415 | { is_environment, "environment" }, |
5384 | { is_environment, "environment" }, |
5416 | { is_pair, "pair" }, |
5385 | { is_pair , "pair" }, |
5417 | { 0, "pair or '()" }, |
5386 | { 0 , "pair or '()" }, |
5418 | { is_character, "character" }, |
5387 | { is_character , "character" }, |
5419 | { is_vector, "vector" }, |
5388 | { is_vector , "vector" }, |
5420 | { is_number, "number" }, |
5389 | { is_number , "number" }, |
5421 | { is_integer, "integer" }, |
5390 | { is_integer , "integer" }, |
5422 | { is_nonneg, "non-negative integer" } |
5391 | { tst_inonneg , "non-negative integer" } |
5423 | }; |
5392 | }; |
5424 | |
5393 | |
5425 | #define TST_NONE 0 |
5394 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5426 | #define TST_ANY "\001" |
5395 | #define TST_ANY "\001" |
5427 | #define TST_STRING "\002" |
5396 | #define TST_STRING "\002" |
5428 | #define TST_SYMBOL "\003" |
5397 | #define TST_SYMBOL "\003" |
5429 | #define TST_PORT "\004" |
5398 | #define TST_PORT "\004" |
5430 | #define TST_INPORT "\005" |
5399 | #define TST_INPORT "\005" |
5431 | #define TST_OUTPORT "\006" |
5400 | #define TST_OUTPORT "\006" |
5432 | #define TST_ENVIRONMENT "\007" |
5401 | #define TST_ENVIRONMENT "\007" |
5433 | #define TST_PAIR "\010" |
5402 | #define TST_PAIR "\010" |
5434 | #define TST_LIST "\011" |
5403 | #define TST_LIST "\011" |
5435 | #define TST_CHAR "\012" |
5404 | #define TST_CHAR "\012" |
5436 | #define TST_VECTOR "\013" |
5405 | #define TST_VECTOR "\013" |
5437 | #define TST_NUMBER "\014" |
5406 | #define TST_NUMBER "\014" |
5438 | #define TST_INTEGER "\015" |
5407 | #define TST_INTEGER "\015" |
5439 | #define TST_NATURAL "\016" |
5408 | #define TST_NATURAL "\016" |
|
|
5409 | |
|
|
5410 | #define INF_ARG 0xff |
|
|
5411 | #define UNNAMED_OP "" |
|
|
5412 | |
|
|
5413 | static const char opnames[] = |
|
|
5414 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
|
|
5415 | #include "opdefines.h" |
|
|
5416 | #undef OP_DEF |
|
|
5417 | ; |
|
|
5418 | |
|
|
5419 | static const char * |
|
|
5420 | opname (int idx) |
|
|
5421 | { |
|
|
5422 | const char *name = opnames; |
|
|
5423 | |
|
|
5424 | /* should do this at compile time, but would require external program, right? */ |
|
|
5425 | while (idx--) |
|
|
5426 | name += strlen (name) + 1; |
|
|
5427 | |
|
|
5428 | return *name ? name : "ILLEGAL"; |
|
|
5429 | } |
|
|
5430 | |
|
|
5431 | static const char * |
|
|
5432 | procname (pointer x) |
|
|
5433 | { |
|
|
5434 | return opname (procnum (x)); |
|
|
5435 | } |
5440 | |
5436 | |
5441 | typedef struct |
5437 | typedef struct |
5442 | { |
5438 | { |
5443 | dispatch_func func; |
5439 | uint8_t func; |
5444 | char *name; |
5440 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
|
|
5441 | uint8_t builtin; |
|
|
5442 | #if USE_ERROR_CHECKING |
5445 | int min_arity; |
5443 | uint8_t min_arity; |
5446 | int max_arity; |
5444 | uint8_t max_arity; |
5447 | char *arg_tests_encoding; |
5445 | char arg_tests_encoding[3]; |
|
|
5446 | #endif |
5448 | } op_code_info; |
5447 | } op_code_info; |
5449 | |
5448 | |
5450 | #define INF_ARG 0xffff |
|
|
5451 | |
|
|
5452 | static op_code_info dispatch_table[] = { |
5449 | static const op_code_info dispatch_table[] = { |
5453 | #define OP_DEF(A,B,C,D,E,OP) {A,B,C,D,E}, |
5450 | #if USE_ERROR_CHECKING |
|
|
5451 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
|
|
5452 | #else |
|
|
5453 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1 }, |
|
|
5454 | #endif |
5454 | #include "opdefines.h" |
5455 | #include "opdefines.h" |
|
|
5456 | #undef OP_DEF |
5455 | {0} |
5457 | {0} |
5456 | }; |
5458 | }; |
5457 | |
5459 | |
5458 | static const char * |
|
|
5459 | procname (pointer x) |
|
|
5460 | { |
|
|
5461 | int n = procnum (x); |
|
|
5462 | const char *name = dispatch_table[n].name; |
|
|
5463 | |
|
|
5464 | if (name == 0) |
|
|
5465 | name = "ILLEGAL!"; |
|
|
5466 | |
|
|
5467 | return name; |
|
|
5468 | } |
|
|
5469 | |
|
|
5470 | /* kernel of this interpreter */ |
5460 | /* kernel of this interpreter */ |
5471 | static void |
5461 | static void ecb_hot |
5472 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5462 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5473 | { |
5463 | { |
5474 | SCHEME_V->op = op; |
5464 | SCHEME_V->op = op; |
5475 | |
5465 | |
5476 | for (;;) |
5466 | for (;;) |
5477 | { |
5467 | { |
5478 | op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5468 | const op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5479 | |
5469 | |
5480 | #if USE_ERROR_CHECKING |
5470 | #if USE_ERROR_CHECKING |
5481 | if (pcd->name) /* if built-in function, check arguments */ |
5471 | if (pcd->builtin) /* if built-in function, check arguments */ |
5482 | { |
5472 | { |
5483 | int ok = 1; |
|
|
5484 | char msg[STRBUFFSIZE]; |
5473 | char msg[STRBUFFSIZE]; |
5485 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5474 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5486 | |
5475 | |
5487 | /* Check number of arguments */ |
5476 | /* Check number of arguments */ |
5488 | if (ecb_expect_false (n < pcd->min_arity)) |
5477 | if (ecb_expect_false (n < pcd->min_arity)) |
5489 | { |
5478 | { |
5490 | ok = 0; |
|
|
5491 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5479 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5492 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
5480 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
|
|
5481 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5482 | continue; |
5493 | } |
5483 | } |
5494 | else if (ecb_excpect_false (n > pcd->max_arity)) |
5484 | else if (ecb_expect_false (n > pcd->max_arity && pcd->max_arity != INF_ARG)) |
5495 | { |
5485 | { |
5496 | ok = 0; |
|
|
5497 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5486 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5498 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
5487 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
|
|
5488 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5489 | continue; |
5499 | } |
5490 | } |
5500 | |
5491 | else |
5501 | if (ecb_expect_false (ok)) |
|
|
5502 | { |
5492 | { |
5503 | if (pcd->arg_tests_encoding) |
5493 | if (*pcd->arg_tests_encoding) /* literal 0 and TST_NONE treated the same */ |
5504 | { |
5494 | { |
5505 | int i = 0; |
5495 | int i = 0; |
5506 | int j; |
5496 | int j; |
5507 | const char *t = pcd->arg_tests_encoding; |
5497 | const char *t = pcd->arg_tests_encoding; |
5508 | pointer arglist = SCHEME_V->args; |
5498 | pointer arglist = SCHEME_V->args; |
5509 | |
5499 | |
5510 | do |
5500 | do |
5511 | { |
5501 | { |
5512 | pointer arg = car (arglist); |
5502 | pointer arg = car (arglist); |
5513 | |
5503 | |
5514 | j = (int) t[0]; |
5504 | j = t[0]; |
5515 | |
5505 | |
|
|
5506 | /*TODO: tst_is_list has different prototype - fix if other tests acquire same prototype */ |
5516 | if (j == TST_LIST[0]) |
5507 | if (j == TST_LIST[0]) |
5517 | { |
5508 | { |
5518 | if (arg != NIL && !is_pair (arg)) |
5509 | if (!tst_is_list (SCHEME_A_ arg)) |
5519 | break; |
5510 | break; |
5520 | } |
5511 | } |
5521 | else |
5512 | else |
5522 | { |
5513 | { |
5523 | if (!tests[j].fct (arg)) |
5514 | if (!tests[j - 1].fct (arg)) |
5524 | break; |
5515 | break; |
5525 | } |
5516 | } |
5526 | |
5517 | |
5527 | if (t[1] != 0) /* last test is replicated as necessary */ |
5518 | if (t < pcd->arg_tests_encoding + sizeof (pcd->arg_tests_encoding) - 1 && t[1]) /* last test is replicated as necessary */ |
5528 | t++; |
5519 | t++; |
5529 | |
5520 | |
5530 | arglist = cdr (arglist); |
5521 | arglist = cdr (arglist); |
5531 | i++; |
5522 | i++; |
5532 | } |
5523 | } |
5533 | while (i < n); |
5524 | while (i < n); |
5534 | |
5525 | |
5535 | if (i < n) |
5526 | if (i < n) |
5536 | { |
5527 | { |
5537 | ok = 0; |
|
|
5538 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", pcd->name, i + 1, tests[j].kind); |
5528 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", opname (SCHEME_V->op), i + 1, tests[j].kind); |
|
|
5529 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5530 | continue; |
5539 | } |
5531 | } |
5540 | } |
5532 | } |
5541 | } |
5533 | } |
5542 | |
|
|
5543 | if (!ok) |
|
|
5544 | { |
|
|
5545 | if (xError_1 (SCHEME_A_ msg, 0) == NIL) |
|
|
5546 | return; |
|
|
5547 | |
|
|
5548 | pcd = dispatch_table + SCHEME_V->op; |
|
|
5549 | } |
|
|
5550 | } |
5534 | } |
5551 | #endif |
5535 | #endif |
5552 | |
5536 | |
5553 | ok_to_freely_gc (SCHEME_A); |
5537 | ok_to_freely_gc (SCHEME_A); |
5554 | |
5538 | |
|
|
5539 | static const dispatch_func dispatch_funcs[] = { |
|
|
5540 | opexe_0, |
|
|
5541 | opexe_1, |
|
|
5542 | opexe_2, |
|
|
5543 | opexe_3, |
|
|
5544 | opexe_4, |
|
|
5545 | opexe_5, |
|
|
5546 | opexe_6, |
|
|
5547 | }; |
|
|
5548 | |
5555 | if (ecb_expect_false (pcd->func (SCHEME_A_ SCHEME_V->op) == NIL)) |
5549 | if (ecb_expect_false (dispatch_funcs [pcd->func] (SCHEME_A_ SCHEME_V->op) != 0)) |
5556 | return; |
5550 | return; |
5557 | |
5551 | |
5558 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5552 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5559 | { |
5553 | { |
5560 | xwrstr ("No memory!\n"); |
5554 | xwrstr ("No memory!\n"); |
… | |
… | |
5584 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5578 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5585 | { |
5579 | { |
5586 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5580 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5587 | set_typeflag (y, (T_PROC | T_ATOM)); |
5581 | set_typeflag (y, (T_PROC | T_ATOM)); |
5588 | ivalue_unchecked (y) = op; |
5582 | ivalue_unchecked (y) = op; |
5589 | set_num_integer (y); |
|
|
5590 | return y; |
5583 | return y; |
5591 | } |
5584 | } |
5592 | |
5585 | |
5593 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5586 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5594 | static int |
5587 | static int |
5595 | syntaxnum (pointer p) |
5588 | syntaxnum (pointer p) |
5596 | { |
5589 | { |
5597 | const char *s = strvalue (car (p)); |
5590 | const char *s = strvalue (p); |
5598 | |
5591 | |
5599 | switch (strlength (car (p))) |
5592 | switch (strlength (p)) |
5600 | { |
5593 | { |
5601 | case 2: |
5594 | case 2: |
5602 | if (s[0] == 'i') |
5595 | if (s[0] == 'i') |
5603 | return OP_IF0; /* if */ |
5596 | return OP_IF0; /* if */ |
5604 | else |
5597 | else |
… | |
… | |
5659 | return OP_C0STREAM; /* cons-stream */ |
5652 | return OP_C0STREAM; /* cons-stream */ |
5660 | } |
5653 | } |
5661 | } |
5654 | } |
5662 | |
5655 | |
5663 | #if USE_MULTIPLICITY |
5656 | #if USE_MULTIPLICITY |
5664 | scheme * |
5657 | ecb_cold scheme * |
5665 | scheme_init_new () |
5658 | scheme_init_new () |
5666 | { |
5659 | { |
5667 | scheme *sc = malloc (sizeof (scheme)); |
5660 | scheme *sc = malloc (sizeof (scheme)); |
5668 | |
5661 | |
5669 | if (!scheme_init (SCHEME_A)) |
5662 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5674 | else |
5667 | else |
5675 | return sc; |
5668 | return sc; |
5676 | } |
5669 | } |
5677 | #endif |
5670 | #endif |
5678 | |
5671 | |
5679 | int |
5672 | ecb_cold int |
5680 | scheme_init (SCHEME_P) |
5673 | scheme_init (SCHEME_P) |
5681 | { |
5674 | { |
5682 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5675 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5683 | pointer x; |
5676 | pointer x; |
|
|
5677 | |
|
|
5678 | /* this memset is not strictly correct, as we assume (intcache) |
|
|
5679 | * that memset 0 will also set pointers to 0, but memset does |
|
|
5680 | * of course not guarantee that. screw such systems. |
|
|
5681 | */ |
|
|
5682 | memset (SCHEME_V, 0, sizeof (*SCHEME_V)); |
5684 | |
5683 | |
5685 | num_set_fixnum (num_zero, 1); |
5684 | num_set_fixnum (num_zero, 1); |
5686 | num_set_ivalue (num_zero, 0); |
5685 | num_set_ivalue (num_zero, 0); |
5687 | num_set_fixnum (num_one, 1); |
5686 | num_set_fixnum (num_one, 1); |
5688 | num_set_ivalue (num_one, 1); |
5687 | num_set_ivalue (num_one, 1); |
… | |
… | |
5757 | |
5756 | |
5758 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5757 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5759 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5758 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5760 | } |
5759 | } |
5761 | |
5760 | |
|
|
5761 | // TODO: should iterate via strlen, to avoid n² complexity |
5762 | for (i = 0; i < n; i++) |
5762 | for (i = 0; i < n; i++) |
5763 | if (dispatch_table[i].name != 0) |
5763 | if (dispatch_table[i].builtin) |
5764 | assign_proc (SCHEME_A_ i, dispatch_table[i].name); |
5764 | assign_proc (SCHEME_A_ i, opname (i)); |
5765 | |
5765 | |
5766 | /* initialization of global pointers to special symbols */ |
5766 | /* initialization of global pointers to special symbols */ |
5767 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5767 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5768 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5768 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5769 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
5769 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
… | |
… | |
5808 | scheme_set_external_data (SCHEME_P_ void *p) |
5808 | scheme_set_external_data (SCHEME_P_ void *p) |
5809 | { |
5809 | { |
5810 | SCHEME_V->ext_data = p; |
5810 | SCHEME_V->ext_data = p; |
5811 | } |
5811 | } |
5812 | |
5812 | |
5813 | void |
5813 | ecb_cold void |
5814 | scheme_deinit (SCHEME_P) |
5814 | scheme_deinit (SCHEME_P) |
5815 | { |
5815 | { |
5816 | int i; |
5816 | int i; |
5817 | |
5817 | |
5818 | #if SHOW_ERROR_LINE |
5818 | #if SHOW_ERROR_LINE |
… | |
… | |
5910 | { |
5910 | { |
5911 | dump_stack_reset (SCHEME_A); |
5911 | dump_stack_reset (SCHEME_A); |
5912 | SCHEME_V->envir = SCHEME_V->global_env; |
5912 | SCHEME_V->envir = SCHEME_V->global_env; |
5913 | SCHEME_V->file_i = 0; |
5913 | SCHEME_V->file_i = 0; |
5914 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5914 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5915 | SCHEME_V->load_stack[0].rep.string.start = (char *) cmd; /* This func respects const */ |
5915 | SCHEME_V->load_stack[0].rep.string.start = (char *)cmd; /* This func respects const */ |
5916 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *) cmd + strlen (cmd); |
5916 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *)cmd + strlen (cmd); |
5917 | SCHEME_V->load_stack[0].rep.string.curr = (char *) cmd; |
5917 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
5918 | #if USE_PORTS |
5918 | #if USE_PORTS |
5919 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5919 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5920 | #endif |
5920 | #endif |
5921 | SCHEME_V->retcode = 0; |
5921 | SCHEME_V->retcode = 0; |
5922 | SCHEME_V->interactive_repl = 0; |
5922 | SCHEME_V->interactive_repl = 0; |
… | |
… | |
6039 | # endif |
6039 | # endif |
6040 | int fin; |
6040 | int fin; |
6041 | char *file_name = InitFile; |
6041 | char *file_name = InitFile; |
6042 | int retcode; |
6042 | int retcode; |
6043 | int isfile = 1; |
6043 | int isfile = 1; |
|
|
6044 | system ("ps v $PPID");//D |
6044 | |
6045 | |
6045 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
6046 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
6046 | { |
6047 | { |
6047 | xwrstr ("Usage: tinyscheme -?\n"); |
6048 | xwrstr ("Usage: tinyscheme -?\n"); |
6048 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |
6049 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |