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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) //TODO: make this 0? |
65 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
85 | #define S_T (&SCHEME_V->xT) //TODO: magic ptr value? |
66 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
86 | #define S_F (&SCHEME_V->xF) //TODO: magic ptr value? |
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 | |
89 | |
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 | #else |
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76 | # define ecb_expect_false(expr) !!(expr) |
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77 | # define ecb_expect_true(expr) !!(expr) |
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78 | #endif |
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79 | |
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80 | #if !USE_MULTIPLICITY |
90 | #if !USE_MULTIPLICITY |
81 | static scheme sc; |
91 | static scheme sc; |
82 | #endif |
92 | #endif |
83 | |
93 | |
84 | static void |
94 | static void |
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153 | |
163 | |
154 | #define toupper(c) xtoupper (c) |
164 | #define toupper(c) xtoupper (c) |
155 | #define tolower(c) xtolower (c) |
165 | #define tolower(c) xtolower (c) |
156 | #define isdigit(c) xisdigit (c) |
166 | #define isdigit(c) xisdigit (c) |
157 | |
167 | |
158 | #if USE_STRLWR |
168 | #if USE_IGNORECASE |
159 | static const char * |
169 | static const char * |
160 | strlwr (char *s) |
170 | xstrlwr (char *s) |
161 | { |
171 | { |
162 | const char *p = s; |
172 | const char *p = s; |
163 | |
173 | |
164 | while (*s) |
174 | while (*s) |
165 | { |
175 | { |
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167 | s++; |
177 | s++; |
168 | } |
178 | } |
169 | |
179 | |
170 | return p; |
180 | return p; |
171 | } |
181 | } |
172 | #endif |
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173 | |
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 |
174 | #define stricmp(a,b) strcmp (a, b) |
187 | # define stricmp(a,b) strcmp (a, b) |
175 | #define strlwr(s) (s) |
188 | # define strlwr(s) (s) |
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189 | #endif |
176 | |
190 | |
177 | #ifndef prompt |
191 | #ifndef prompt |
178 | # define prompt "ts> " |
192 | # define prompt "ts> " |
179 | #endif |
193 | #endif |
180 | |
194 | |
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186 | # define FIRST_CELLSEGS 3 |
200 | # define FIRST_CELLSEGS 3 |
187 | #endif |
201 | #endif |
188 | |
202 | |
189 | enum scheme_types |
203 | enum scheme_types |
190 | { |
204 | { |
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205 | T_INTEGER, |
191 | T_FREE, |
206 | T_REAL, |
192 | T_STRING, |
207 | T_STRING, |
193 | T_NUMBER, |
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194 | T_SYMBOL, |
208 | T_SYMBOL, |
195 | T_PROC, |
209 | T_PROC, |
196 | T_PAIR, |
210 | T_PAIR, /* also used for free cells */ |
197 | T_CLOSURE, |
211 | T_CLOSURE, |
198 | T_CONTINUATION, |
212 | T_CONTINUATION, |
199 | T_FOREIGN, |
213 | T_FOREIGN, |
200 | T_CHARACTER, |
214 | T_CHARACTER, |
201 | T_PORT, |
215 | T_PORT, |
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211 | #define T_SYNTAX 0x0010 |
225 | #define T_SYNTAX 0x0010 |
212 | #define T_IMMUTABLE 0x0020 |
226 | #define T_IMMUTABLE 0x0020 |
213 | #define T_ATOM 0x0040 /* only for gc */ |
227 | #define T_ATOM 0x0040 /* only for gc */ |
214 | #define T_MARK 0x0080 /* only for gc */ |
228 | #define T_MARK 0x0080 /* only for gc */ |
215 | |
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 | |
216 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
256 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
217 | |
257 | |
218 | 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); |
219 | static num num_intdiv (num a, num b); |
259 | static num num_intdiv (num a, num b); |
220 | static num num_rem (num a, num b); |
260 | static num num_rem (num a, num b); |
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223 | #if USE_MATH |
263 | #if USE_MATH |
224 | static double round_per_R5RS (double x); |
264 | static double round_per_R5RS (double x); |
225 | #endif |
265 | #endif |
226 | static int is_zero_rvalue (RVALUE x); |
266 | static int is_zero_rvalue (RVALUE x); |
227 | |
267 | |
228 | static INLINE int |
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229 | num_is_integer (pointer p) |
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230 | { |
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231 | return num_is_fixnum (p->object.number); |
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232 | } |
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233 | |
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234 | static num num_zero; |
268 | static num num_zero; |
235 | static num num_one; |
269 | static num num_one; |
236 | |
270 | |
237 | /* macros for cell operations */ |
271 | /* macros for cell operations */ |
238 | #define typeflag(p) ((p)->flag + 0) |
272 | #define typeflag(p) ((p)->flag + 0) |
239 | #define set_typeflag(p,v) ((p)->flag = (v)) |
273 | #define set_typeflag(p,v) ((p)->flag = (v)) |
240 | #define type(p) (typeflag (p) & T_MASKTYPE) |
274 | #define type(p) (typeflag (p) & T_MASKTYPE) |
241 | |
275 | |
242 | INTERFACE INLINE int |
276 | INTERFACE int |
243 | is_string (pointer p) |
277 | is_string (pointer p) |
244 | { |
278 | { |
245 | return type (p) == T_STRING; |
279 | return type (p) == T_STRING; |
246 | } |
280 | } |
247 | |
281 | |
248 | #define strvalue(p) ((p)->object.string.svalue) |
282 | #define strvalue(p) ((p)->object.string.svalue) |
249 | #define strlength(p) ((p)->object.string.length) |
283 | #define strlength(p) ((p)->object.string.length) |
250 | |
284 | |
251 | INTERFACE int is_list (SCHEME_P_ pointer p); |
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252 | |
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253 | INTERFACE INLINE int |
285 | INTERFACE int |
254 | is_vector (pointer p) |
286 | is_vector (pointer p) |
255 | { |
287 | { |
256 | return type (p) == T_VECTOR; |
288 | return type (p) == T_VECTOR; |
257 | } |
289 | } |
258 | |
290 | |
259 | #define vecvalue(p) ((p)->object.vector.vvalue) |
291 | #define vecvalue(p) ((p)->object.vector.vvalue) |
260 | #define veclength(p) ((p)->object.vector.length) |
292 | #define veclength(p) ((p)->object.vector.length) |
261 | INTERFACE void fill_vector (pointer vec, pointer obj); |
293 | INTERFACE void fill_vector (pointer vec, uint32_t start, pointer obj); |
262 | INTERFACE uint32_t vector_length (pointer vec); |
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263 | INTERFACE pointer vector_elem (pointer vec, uint32_t ielem); |
294 | INTERFACE pointer vector_get (pointer vec, uint32_t ielem); |
264 | INTERFACE void set_vector_elem (pointer vec, uint32_t ielem, pointer a); |
295 | INTERFACE void vector_set (pointer vec, uint32_t ielem, pointer a); |
265 | |
296 | |
266 | INTERFACE uint32_t |
297 | INTERFACE int |
267 | vector_length (pointer vec) |
298 | is_integer (pointer p) |
268 | { |
299 | { |
269 | return vec->object.vector.length; |
300 | return type (p) == T_INTEGER; |
270 | } |
301 | } |
271 | |
302 | |
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303 | /* not the same as in scheme, where integers are (correctly :) reals */ |
272 | 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 |
273 | is_number (pointer p) |
311 | is_number (pointer p) |
274 | { |
312 | { |
275 | return type (p) == T_NUMBER; |
313 | return is_integer (p) || is_real (p); |
276 | } |
314 | } |
277 | |
315 | |
278 | INTERFACE INLINE int |
316 | INTERFACE int |
279 | is_integer (pointer p) |
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280 | { |
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281 | if (!is_number (p)) |
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282 | return 0; |
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283 | |
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284 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
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285 | return 1; |
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286 | |
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287 | return 0; |
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288 | } |
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289 | |
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290 | INTERFACE INLINE int |
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291 | is_real (pointer p) |
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292 | { |
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293 | return is_number (p) && !num_is_fixnum (p->object.number); |
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294 | } |
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295 | |
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296 | INTERFACE INLINE int |
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297 | is_character (pointer p) |
317 | is_character (pointer p) |
298 | { |
318 | { |
299 | return type (p) == T_CHARACTER; |
319 | return type (p) == T_CHARACTER; |
300 | } |
320 | } |
301 | |
321 | |
302 | INTERFACE INLINE char * |
322 | INTERFACE char * |
303 | string_value (pointer p) |
323 | string_value (pointer p) |
304 | { |
324 | { |
305 | return strvalue (p); |
325 | return strvalue (p); |
306 | } |
326 | } |
307 | |
327 | |
308 | INLINE num |
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309 | nvalue (pointer p) |
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310 | { |
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311 | return (p)->object.number; |
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312 | } |
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313 | |
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314 | static IVALUE |
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315 | num_get_ivalue (const num n) |
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316 | { |
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317 | return num_is_fixnum (n) ? num_ivalue (n) : (IVALUE)num_rvalue (n); |
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318 | } |
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319 | |
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320 | static RVALUE |
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321 | num_get_rvalue (const num n) |
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322 | { |
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323 | return num_is_fixnum (n) ? (RVALUE)num_ivalue (n) : num_rvalue (n); |
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324 | } |
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325 | |
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326 | INTERFACE IVALUE |
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327 | ivalue (pointer p) |
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328 | { |
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329 | return num_get_ivalue (p->object.number); |
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330 | } |
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331 | |
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332 | INTERFACE RVALUE |
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333 | rvalue (pointer p) |
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334 | { |
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335 | return num_get_rvalue (p->object.number); |
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336 | } |
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337 | |
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338 | #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 | |
339 | #if USE_REAL |
331 | #if USE_REAL |
340 | # define rvalue_unchecked(p) ((p)->object.number.value.rvalue) |
332 | #define rvalue_unchecked(p) (p)->object.rvalue |
341 | # define set_num_integer(p) (p)->object.number.is_fixnum=1; |
333 | #define set_rvalue(p,v) (p)->object.rvalue = (v) |
342 | # define set_num_real(p) (p)->object.number.is_fixnum=0; |
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343 | #else |
334 | #else |
344 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
335 | #define rvalue_unchecked(p) (p)->object.ivalue |
345 | # define set_num_integer(p) 0 |
336 | #define set_rvalue(p,v) (p)->object.ivalue = (v) |
346 | # define set_num_real(p) 0 |
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347 | #endif |
337 | #endif |
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338 | |
348 | INTERFACE long |
339 | INTERFACE long |
349 | charvalue (pointer p) |
340 | charvalue (pointer p) |
350 | { |
341 | { |
351 | return ivalue_unchecked (p); |
342 | return ivalue_unchecked (p); |
352 | } |
343 | } |
353 | |
344 | |
354 | INTERFACE INLINE int |
345 | INTERFACE int |
355 | is_port (pointer p) |
346 | is_port (pointer p) |
356 | { |
347 | { |
357 | return type (p) == T_PORT; |
348 | return type (p) == T_PORT; |
358 | } |
349 | } |
359 | |
350 | |
360 | INTERFACE INLINE int |
351 | INTERFACE int |
361 | is_inport (pointer p) |
352 | is_inport (pointer p) |
362 | { |
353 | { |
363 | return is_port (p) && p->object.port->kind & port_input; |
354 | return is_port (p) && p->object.port->kind & port_input; |
364 | } |
355 | } |
365 | |
356 | |
366 | INTERFACE INLINE int |
357 | INTERFACE int |
367 | is_outport (pointer p) |
358 | is_outport (pointer p) |
368 | { |
359 | { |
369 | return is_port (p) && p->object.port->kind & port_output; |
360 | return is_port (p) && p->object.port->kind & port_output; |
370 | } |
361 | } |
371 | |
362 | |
372 | INTERFACE INLINE int |
363 | INTERFACE int |
373 | is_pair (pointer p) |
364 | is_pair (pointer p) |
374 | { |
365 | { |
375 | return type (p) == T_PAIR; |
366 | return type (p) == T_PAIR; |
376 | } |
367 | } |
377 | |
368 | |
… | |
… | |
409 | pair_cdr (pointer p) |
400 | pair_cdr (pointer p) |
410 | { |
401 | { |
411 | return cdr (p); |
402 | return cdr (p); |
412 | } |
403 | } |
413 | |
404 | |
414 | INTERFACE INLINE int |
405 | INTERFACE int |
415 | is_symbol (pointer p) |
406 | is_symbol (pointer p) |
416 | { |
407 | { |
417 | return type (p) == T_SYMBOL; |
408 | return type (p) == T_SYMBOL; |
418 | } |
409 | } |
419 | |
410 | |
420 | INTERFACE INLINE char * |
411 | INTERFACE char * |
421 | symname (pointer p) |
412 | symname (pointer p) |
422 | { |
413 | { |
423 | return strvalue (car (p)); |
414 | return strvalue (p); |
424 | } |
415 | } |
425 | |
416 | |
426 | #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) |
427 | SCHEME_EXPORT INLINE int |
420 | SCHEME_EXPORT int |
428 | hasprop (pointer p) |
421 | hasprop (pointer p) |
429 | { |
422 | { |
430 | return typeflag (p) & T_SYMBOL; |
423 | return typeflag (p) & T_SYMBOL; |
431 | } |
424 | } |
432 | |
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433 | # define symprop(p) cdr(p) |
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434 | #endif |
425 | #endif |
435 | |
426 | |
436 | INTERFACE INLINE int |
427 | INTERFACE int |
437 | is_syntax (pointer p) |
428 | is_syntax (pointer p) |
438 | { |
429 | { |
439 | return typeflag (p) & T_SYNTAX; |
430 | return typeflag (p) & T_SYNTAX; |
440 | } |
431 | } |
441 | |
432 | |
442 | INTERFACE INLINE int |
433 | INTERFACE int |
443 | is_proc (pointer p) |
434 | is_proc (pointer p) |
444 | { |
435 | { |
445 | return type (p) == T_PROC; |
436 | return type (p) == T_PROC; |
446 | } |
437 | } |
447 | |
438 | |
448 | INTERFACE INLINE int |
439 | INTERFACE int |
449 | is_foreign (pointer p) |
440 | is_foreign (pointer p) |
450 | { |
441 | { |
451 | return type (p) == T_FOREIGN; |
442 | return type (p) == T_FOREIGN; |
452 | } |
443 | } |
453 | |
444 | |
454 | INTERFACE INLINE char * |
445 | INTERFACE char * |
455 | syntaxname (pointer p) |
446 | syntaxname (pointer p) |
456 | { |
447 | { |
457 | return strvalue (car (p)); |
448 | return strvalue (p); |
458 | } |
449 | } |
459 | |
450 | |
460 | #define procnum(p) ivalue (p) |
451 | #define procnum(p) ivalue_unchecked (p) |
461 | static const char *procname (pointer x); |
452 | static const char *procname (pointer x); |
462 | |
453 | |
463 | INTERFACE INLINE int |
454 | INTERFACE int |
464 | is_closure (pointer p) |
455 | is_closure (pointer p) |
465 | { |
456 | { |
466 | return type (p) == T_CLOSURE; |
457 | return type (p) == T_CLOSURE; |
467 | } |
458 | } |
468 | |
459 | |
469 | INTERFACE INLINE int |
460 | INTERFACE int |
470 | is_macro (pointer p) |
461 | is_macro (pointer p) |
471 | { |
462 | { |
472 | return type (p) == T_MACRO; |
463 | return type (p) == T_MACRO; |
473 | } |
464 | } |
474 | |
465 | |
475 | INTERFACE INLINE pointer |
466 | INTERFACE pointer |
476 | closure_code (pointer p) |
467 | closure_code (pointer p) |
477 | { |
468 | { |
478 | return car (p); |
469 | return car (p); |
479 | } |
470 | } |
480 | |
471 | |
481 | INTERFACE INLINE pointer |
472 | INTERFACE pointer |
482 | closure_env (pointer p) |
473 | closure_env (pointer p) |
483 | { |
474 | { |
484 | return cdr (p); |
475 | return cdr (p); |
485 | } |
476 | } |
486 | |
477 | |
487 | INTERFACE INLINE int |
478 | INTERFACE int |
488 | is_continuation (pointer p) |
479 | is_continuation (pointer p) |
489 | { |
480 | { |
490 | return type (p) == T_CONTINUATION; |
481 | return type (p) == T_CONTINUATION; |
491 | } |
482 | } |
492 | |
483 | |
493 | #define cont_dump(p) cdr (p) |
484 | #define cont_dump(p) cdr (p) |
494 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
485 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
495 | |
486 | |
496 | /* To do: promise should be forced ONCE only */ |
487 | /* To do: promise should be forced ONCE only */ |
497 | INTERFACE INLINE int |
488 | INTERFACE int |
498 | is_promise (pointer p) |
489 | is_promise (pointer p) |
499 | { |
490 | { |
500 | return type (p) == T_PROMISE; |
491 | return type (p) == T_PROMISE; |
501 | } |
492 | } |
502 | |
493 | |
503 | INTERFACE INLINE int |
494 | INTERFACE int |
504 | is_environment (pointer p) |
495 | is_environment (pointer p) |
505 | { |
496 | { |
506 | return type (p) == T_ENVIRONMENT; |
497 | return type (p) == T_ENVIRONMENT; |
507 | } |
498 | } |
508 | |
499 | |
… | |
… | |
514 | |
505 | |
515 | #define is_mark(p) (typeflag (p) & T_MARK) |
506 | #define is_mark(p) (typeflag (p) & T_MARK) |
516 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
507 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
517 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
508 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
518 | |
509 | |
519 | INTERFACE INLINE int |
510 | INTERFACE int |
520 | is_immutable (pointer p) |
511 | is_immutable (pointer p) |
521 | { |
512 | { |
522 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
513 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
523 | } |
514 | } |
524 | |
515 | |
525 | INTERFACE INLINE void |
516 | INTERFACE void |
526 | setimmutable (pointer p) |
517 | setimmutable (pointer p) |
527 | { |
518 | { |
528 | #if USE_ERROR_CHECKING |
519 | #if USE_ERROR_CHECKING |
529 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
520 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
530 | #endif |
521 | #endif |
531 | } |
522 | } |
532 | |
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 | |
533 | #if USE_CHAR_CLASSIFIERS |
578 | #if USE_CHAR_CLASSIFIERS |
534 | static INLINE int |
579 | ecb_inline int |
535 | Cisalpha (int c) |
580 | Cisalpha (int c) |
536 | { |
581 | { |
537 | return isascii (c) && isalpha (c); |
582 | return isascii (c) && isalpha (c); |
538 | } |
583 | } |
539 | |
584 | |
540 | static INLINE int |
585 | ecb_inline int |
541 | Cisdigit (int c) |
586 | Cisdigit (int c) |
542 | { |
587 | { |
543 | return isascii (c) && isdigit (c); |
588 | return isascii (c) && isdigit (c); |
544 | } |
589 | } |
545 | |
590 | |
546 | static INLINE int |
591 | ecb_inline int |
547 | Cisspace (int c) |
592 | Cisspace (int c) |
548 | { |
593 | { |
549 | return isascii (c) && isspace (c); |
594 | return isascii (c) && isspace (c); |
550 | } |
595 | } |
551 | |
596 | |
552 | static INLINE int |
597 | ecb_inline int |
553 | Cisupper (int c) |
598 | Cisupper (int c) |
554 | { |
599 | { |
555 | return isascii (c) && isupper (c); |
600 | return isascii (c) && isupper (c); |
556 | } |
601 | } |
557 | |
602 | |
558 | static INLINE int |
603 | ecb_inline int |
559 | Cislower (int c) |
604 | Cislower (int c) |
560 | { |
605 | { |
561 | return isascii (c) && islower (c); |
606 | return isascii (c) && islower (c); |
562 | } |
607 | } |
563 | #endif |
608 | #endif |
… | |
… | |
624 | #endif |
669 | #endif |
625 | |
670 | |
626 | static int file_push (SCHEME_P_ const char *fname); |
671 | static int file_push (SCHEME_P_ const char *fname); |
627 | static void file_pop (SCHEME_P); |
672 | static void file_pop (SCHEME_P); |
628 | static int file_interactive (SCHEME_P); |
673 | static int file_interactive (SCHEME_P); |
629 | static INLINE int is_one_of (char *s, int c); |
674 | ecb_inline int is_one_of (const char *s, int c); |
630 | static int alloc_cellseg (SCHEME_P_ int n); |
675 | static int alloc_cellseg (SCHEME_P_ int n); |
631 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
676 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
632 | static void finalize_cell (SCHEME_P_ pointer a); |
677 | static void finalize_cell (SCHEME_P_ pointer a); |
633 | static int count_consecutive_cells (pointer x, int needed); |
678 | static int count_consecutive_cells (pointer x, int needed); |
634 | 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); |
635 | static pointer mk_number (SCHEME_P_ const num n); |
680 | static pointer mk_number (SCHEME_P_ const num n); |
636 | 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); |
… | |
… | |
651 | static void mark (pointer a); |
696 | static void mark (pointer a); |
652 | static void gc (SCHEME_P_ pointer a, pointer b); |
697 | static void gc (SCHEME_P_ pointer a, pointer b); |
653 | static int basic_inchar (port *pt); |
698 | static int basic_inchar (port *pt); |
654 | static int inchar (SCHEME_P); |
699 | static int inchar (SCHEME_P); |
655 | static void backchar (SCHEME_P_ int c); |
700 | static void backchar (SCHEME_P_ int c); |
656 | static char *readstr_upto (SCHEME_P_ char *delim); |
701 | static char *readstr_upto (SCHEME_P_ int skip, const char *delim); |
657 | static pointer readstrexp (SCHEME_P); |
702 | static pointer readstrexp (SCHEME_P_ char delim); |
658 | static INLINE int skipspace (SCHEME_P); |
703 | ecb_inline int skipspace (SCHEME_P); |
659 | static int token (SCHEME_P); |
704 | static int token (SCHEME_P); |
660 | static void printslashstring (SCHEME_P_ char *s, int len); |
705 | static void printslashstring (SCHEME_P_ char *s, int len); |
661 | 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); |
662 | static void printatom (SCHEME_P_ pointer l, int f); |
707 | static void printatom (SCHEME_P_ pointer l, int f); |
663 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
708 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
679 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
724 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
680 | static void assign_syntax (SCHEME_P_ const char *name); |
725 | static void assign_syntax (SCHEME_P_ const char *name); |
681 | static int syntaxnum (pointer p); |
726 | static int syntaxnum (pointer p); |
682 | 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); |
683 | |
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 | |
684 | static num |
756 | static num |
685 | num_op (enum num_op op, num a, num b) |
757 | num_op (enum num_op op, num a, num b) |
686 | { |
758 | { |
687 | num ret; |
759 | num ret; |
688 | |
760 | |
689 | 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)); |
690 | |
762 | |
691 | if (num_is_fixnum (ret)) |
763 | if (num_is_fixnum (ret)) |
692 | { |
764 | { |
693 | IVALUE av = num_get_ivalue (a); |
|
|
694 | IVALUE bv = num_get_ivalue (b); |
|
|
695 | |
|
|
696 | switch (op) |
765 | switch (op) |
697 | { |
766 | { |
698 | case NUM_ADD: av += bv; break; |
767 | case NUM_ADD: a.ivalue += b.ivalue; break; |
699 | case NUM_SUB: av -= bv; break; |
768 | case NUM_SUB: a.ivalue -= b.ivalue; break; |
700 | case NUM_MUL: av *= bv; break; |
769 | case NUM_MUL: a.ivalue *= b.ivalue; break; |
701 | case NUM_INTDIV: av /= bv; break; |
770 | case NUM_INTDIV: a.ivalue /= b.ivalue; break; |
702 | } |
771 | } |
703 | |
772 | |
704 | num_set_ivalue (ret, av); |
773 | num_set_ivalue (ret, a.ivalue); |
705 | } |
774 | } |
|
|
775 | #if USE_REAL |
706 | else |
776 | else |
707 | { |
777 | { |
708 | RVALUE av = num_get_rvalue (a); |
|
|
709 | RVALUE bv = num_get_rvalue (b); |
|
|
710 | |
|
|
711 | switch (op) |
778 | switch (op) |
712 | { |
779 | { |
713 | case NUM_ADD: av += bv; break; |
780 | case NUM_ADD: a.rvalue += b.rvalue; break; |
714 | case NUM_SUB: av -= bv; break; |
781 | case NUM_SUB: a.rvalue -= b.rvalue; break; |
715 | case NUM_MUL: av *= bv; break; |
782 | case NUM_MUL: a.rvalue *= b.rvalue; break; |
716 | case NUM_INTDIV: av /= bv; break; |
783 | case NUM_INTDIV: a.rvalue /= b.rvalue; break; |
717 | } |
784 | } |
718 | |
785 | |
719 | num_set_rvalue (ret, av); |
786 | num_set_rvalue (ret, a.rvalue); |
720 | } |
787 | } |
|
|
788 | #endif |
721 | |
789 | |
722 | return ret; |
790 | return ret; |
723 | } |
791 | } |
724 | |
792 | |
725 | static num |
793 | static num |
726 | num_div (num a, num b) |
794 | num_div (num a, num b) |
727 | { |
795 | { |
728 | num ret; |
796 | num ret; |
729 | |
797 | |
730 | 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); |
731 | |
799 | |
732 | if (num_is_fixnum (ret)) |
800 | if (num_is_fixnum (ret)) |
733 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
801 | num_set_ivalue (ret, num_ivalue (a) / num_ivalue (b)); |
734 | else |
802 | else |
735 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
803 | num_set_rvalue (ret, num_rvalue (a) / num_rvalue (b)); |
736 | |
804 | |
737 | return ret; |
805 | return ret; |
738 | } |
806 | } |
739 | |
807 | |
740 | static num |
808 | static num |
… | |
… | |
742 | { |
810 | { |
743 | num ret; |
811 | num ret; |
744 | long e1, e2, res; |
812 | long e1, e2, res; |
745 | |
813 | |
746 | 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)); |
747 | e1 = num_get_ivalue (a); |
815 | e1 = num_ivalue (a); |
748 | e2 = num_get_ivalue (b); |
816 | e2 = num_ivalue (b); |
749 | res = e1 % e2; |
817 | res = e1 % e2; |
750 | |
818 | |
751 | /* remainder should have same sign as second operand */ |
819 | /* remainder should have same sign as second operand */ |
752 | if (res > 0) |
820 | if (res > 0) |
753 | { |
821 | { |
… | |
… | |
769 | { |
837 | { |
770 | num ret; |
838 | num ret; |
771 | long e1, e2, res; |
839 | long e1, e2, res; |
772 | |
840 | |
773 | 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)); |
774 | e1 = num_get_ivalue (a); |
842 | e1 = num_ivalue (a); |
775 | e2 = num_get_ivalue (b); |
843 | e2 = num_ivalue (b); |
776 | res = e1 % e2; |
844 | res = e1 % e2; |
777 | |
845 | |
778 | /* modulo should have same sign as second operand */ |
846 | /* modulo should have same sign as second operand */ |
779 | if (res * e2 < 0) |
847 | if (res * e2 < 0) |
780 | res += e2; |
848 | res += e2; |
781 | |
849 | |
782 | num_set_ivalue (ret, res); |
850 | num_set_ivalue (ret, res); |
783 | return ret; |
851 | return ret; |
784 | } |
852 | } |
785 | |
853 | |
786 | /* this completely disrespects NaNs */ |
854 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
787 | static int |
855 | static int |
788 | num_cmp (num a, num b) |
856 | num_cmp (num a, num b) |
789 | { |
857 | { |
790 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
858 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
791 | int ret; |
859 | int ret; |
792 | |
860 | |
793 | if (is_fixnum) |
861 | if (is_fixnum) |
794 | { |
862 | { |
795 | IVALUE av = num_get_ivalue (a); |
863 | IVALUE av = num_ivalue (a); |
796 | IVALUE bv = num_get_ivalue (b); |
864 | IVALUE bv = num_ivalue (b); |
797 | |
865 | |
798 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
866 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
799 | } |
867 | } |
800 | else |
868 | else |
801 | { |
869 | { |
802 | RVALUE av = num_get_rvalue (a); |
870 | RVALUE av = num_rvalue (a); |
803 | RVALUE bv = num_get_rvalue (b); |
871 | RVALUE bv = num_rvalue (b); |
804 | |
872 | |
805 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
873 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
806 | } |
874 | } |
807 | |
875 | |
808 | return ret; |
876 | return ret; |
… | |
… | |
834 | #endif |
902 | #endif |
835 | |
903 | |
836 | static int |
904 | static int |
837 | is_zero_rvalue (RVALUE x) |
905 | is_zero_rvalue (RVALUE x) |
838 | { |
906 | { |
|
|
907 | return x == 0; |
|
|
908 | #if 0 |
839 | #if USE_REAL |
909 | #if USE_REAL |
840 | 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. */ |
841 | #else |
911 | #else |
842 | return x == 0; |
912 | return x == 0; |
|
|
913 | #endif |
843 | #endif |
914 | #endif |
844 | } |
915 | } |
845 | |
916 | |
846 | /* allocate new cell segment */ |
917 | /* allocate new cell segment */ |
847 | static int |
918 | static int |
… | |
… | |
868 | return k; |
939 | return k; |
869 | |
940 | |
870 | i = ++SCHEME_V->last_cell_seg; |
941 | i = ++SCHEME_V->last_cell_seg; |
871 | SCHEME_V->alloc_seg[i] = cp; |
942 | SCHEME_V->alloc_seg[i] = cp; |
872 | |
943 | |
873 | /* insert new segment in address order */ |
|
|
874 | newp = (pointer)cp; |
944 | newp = (pointer)cp; |
875 | SCHEME_V->cell_seg[i] = newp; |
945 | SCHEME_V->cell_seg[i] = newp; |
876 | SCHEME_V->cell_segsize[i] = segsize; |
946 | SCHEME_V->cell_segsize[i] = segsize; |
877 | |
|
|
878 | //TODO: insert, not swap |
|
|
879 | while (i > 0 && SCHEME_V->cell_seg[i - 1] > SCHEME_V->cell_seg[i]) |
|
|
880 | { |
|
|
881 | p = SCHEME_V->cell_seg[i]; |
|
|
882 | SCHEME_V->cell_seg[i] = SCHEME_V->cell_seg[i - 1]; |
|
|
883 | SCHEME_V->cell_seg[i - 1] = p; |
|
|
884 | |
|
|
885 | k = SCHEME_V->cell_segsize[i]; |
|
|
886 | SCHEME_V->cell_segsize[i] = SCHEME_V->cell_segsize[i - 1]; |
|
|
887 | SCHEME_V->cell_segsize[i - 1] = k; |
|
|
888 | |
|
|
889 | --i; |
|
|
890 | } |
|
|
891 | |
|
|
892 | SCHEME_V->fcells += segsize; |
947 | SCHEME_V->fcells += segsize; |
893 | last = newp + segsize - 1; |
948 | last = newp + segsize - 1; |
894 | |
949 | |
895 | for (p = newp; p <= last; p++) |
950 | for (p = newp; p <= last; p++) |
896 | { |
951 | { |
897 | set_typeflag (p, T_FREE); |
952 | set_typeflag (p, T_PAIR); |
898 | set_car (p, NIL); |
953 | set_car (p, NIL); |
899 | set_cdr (p, p + 1); |
954 | set_cdr (p, p + 1); |
900 | } |
955 | } |
901 | |
956 | |
902 | /* insert new cells in address order on free list */ |
|
|
903 | if (SCHEME_V->free_cell == NIL || p < SCHEME_V->free_cell) |
|
|
904 | { |
|
|
905 | set_cdr (last, SCHEME_V->free_cell); |
957 | set_cdr (last, SCHEME_V->free_cell); |
906 | SCHEME_V->free_cell = newp; |
958 | SCHEME_V->free_cell = newp; |
907 | } |
|
|
908 | else |
|
|
909 | { |
|
|
910 | p = SCHEME_V->free_cell; |
|
|
911 | |
|
|
912 | while (cdr (p) != NIL && newp > cdr (p)) |
|
|
913 | p = cdr (p); |
|
|
914 | |
|
|
915 | set_cdr (last, cdr (p)); |
|
|
916 | set_cdr (p, newp); |
|
|
917 | } |
|
|
918 | } |
959 | } |
919 | |
960 | |
920 | return n; |
961 | return n; |
921 | } |
962 | } |
922 | |
963 | |
923 | /* get new cell. parameter a, b is marked by gc. */ |
964 | /* get new cell. parameter a, b is marked by gc. */ |
924 | static INLINE pointer |
965 | ecb_inline pointer |
925 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
966 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
926 | { |
967 | { |
927 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
968 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
928 | { |
969 | { |
929 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
970 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
930 | return S_SINK; |
971 | return S_SINK; |
931 | |
972 | |
932 | if (SCHEME_V->free_cell == NIL) |
973 | if (SCHEME_V->free_cell == NIL) |
933 | { |
974 | { |
934 | 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; |
935 | |
976 | |
936 | gc (SCHEME_A_ a, b); |
977 | gc (SCHEME_A_ a, b); |
937 | |
978 | |
938 | 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) |
939 | { |
980 | { |
… | |
… | |
990 | } |
1031 | } |
991 | |
1032 | |
992 | static pointer |
1033 | static pointer |
993 | get_vector_object (SCHEME_P_ uint32_t len, pointer init) |
1034 | get_vector_object (SCHEME_P_ uint32_t len, pointer init) |
994 | { |
1035 | { |
995 | pointer v = get_cell_x (SCHEME_A_ 0, 0); |
1036 | pointer v = get_cell_x (SCHEME_A_ NIL, NIL); |
996 | pointer *e = malloc (len * sizeof (pointer)); |
1037 | pointer *e = malloc (len * sizeof (pointer)); |
997 | |
1038 | |
998 | if (!e && USE_ERROR_CHECKING) |
1039 | if (!e && USE_ERROR_CHECKING) |
999 | return S_SINK; |
1040 | return S_SINK; |
1000 | |
1041 | |
1001 | /* Record it as a vector so that gc understands it. */ |
1042 | /* Record it as a vector so that gc understands it. */ |
1002 | set_typeflag (v, T_VECTOR | T_ATOM); |
1043 | set_typeflag (v, T_VECTOR | T_ATOM); |
1003 | |
1044 | |
1004 | v->object.vector.vvalue = e; |
1045 | v->object.vector.vvalue = e; |
1005 | v->object.vector.length = len; |
1046 | v->object.vector.length = len; |
1006 | fill_vector (v, init); |
1047 | fill_vector (v, 0, init); |
1007 | push_recent_alloc (SCHEME_A_ v, NIL); |
1048 | push_recent_alloc (SCHEME_A_ v, NIL); |
1008 | |
1049 | |
1009 | return v; |
1050 | return v; |
1010 | } |
1051 | } |
1011 | |
1052 | |
1012 | static INLINE void |
1053 | ecb_inline void |
1013 | ok_to_freely_gc (SCHEME_P) |
1054 | ok_to_freely_gc (SCHEME_P) |
1014 | { |
1055 | { |
1015 | set_car (S_SINK, NIL); |
1056 | set_car (S_SINK, NIL); |
1016 | } |
1057 | } |
1017 | |
1058 | |
… | |
… | |
1054 | set_cdr (x, b); |
1095 | set_cdr (x, b); |
1055 | |
1096 | |
1056 | return x; |
1097 | return x; |
1057 | } |
1098 | } |
1058 | |
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 | |
1059 | /* ========== oblist implementation ========== */ |
1109 | /* ========== oblist implementation ========== */ |
1060 | |
1110 | |
1061 | #ifndef USE_OBJECT_LIST |
1111 | #ifndef USE_OBJECT_LIST |
1062 | |
1112 | |
|
|
1113 | static int |
1063 | 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 | } |
1064 | |
1124 | |
1065 | static pointer |
1125 | static pointer |
1066 | oblist_initial_value (SCHEME_P) |
1126 | oblist_initial_value (SCHEME_P) |
1067 | { |
1127 | { |
1068 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
1128 | return mk_vector (SCHEME_A_ 461); /* probably should be bigger */ |
… | |
… | |
1070 | |
1130 | |
1071 | /* returns the new symbol */ |
1131 | /* returns the new symbol */ |
1072 | static pointer |
1132 | static pointer |
1073 | oblist_add_by_name (SCHEME_P_ const char *name) |
1133 | oblist_add_by_name (SCHEME_P_ const char *name) |
1074 | { |
1134 | { |
1075 | int location; |
1135 | pointer x = generate_symbol (SCHEME_A_ name); |
1076 | |
|
|
1077 | pointer x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1078 | set_typeflag (x, T_SYMBOL); |
|
|
1079 | setimmutable (car (x)); |
|
|
1080 | |
|
|
1081 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1136 | int location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1082 | 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))); |
1083 | return x; |
1138 | return x; |
1084 | } |
1139 | } |
1085 | |
1140 | |
1086 | static INLINE pointer |
1141 | ecb_inline pointer |
1087 | oblist_find_by_name (SCHEME_P_ const char *name) |
1142 | oblist_find_by_name (SCHEME_P_ const char *name) |
1088 | { |
1143 | { |
1089 | int location; |
1144 | int location; |
1090 | pointer x; |
1145 | pointer x; |
1091 | char *s; |
1146 | char *s; |
1092 | |
1147 | |
1093 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1148 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1094 | |
1149 | |
1095 | 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)) |
1096 | { |
1151 | { |
1097 | s = symname (car (x)); |
1152 | s = symname (car (x)); |
1098 | |
1153 | |
1099 | /* case-insensitive, per R5RS section 2 */ |
1154 | /* case-insensitive, per R5RS section 2 */ |
1100 | if (stricmp (name, s) == 0) |
1155 | if (stricmp (name, s) == 0) |
… | |
… | |
1110 | int i; |
1165 | int i; |
1111 | pointer x; |
1166 | pointer x; |
1112 | pointer ob_list = NIL; |
1167 | pointer ob_list = NIL; |
1113 | |
1168 | |
1114 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1169 | for (i = 0; i < veclength (SCHEME_V->oblist); i++) |
1115 | 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)) |
1116 | ob_list = cons (x, ob_list); |
1171 | ob_list = cons (x, ob_list); |
1117 | |
1172 | |
1118 | return ob_list; |
1173 | return ob_list; |
1119 | } |
1174 | } |
1120 | |
1175 | |
… | |
… | |
1124 | oblist_initial_value (SCHEME_P) |
1179 | oblist_initial_value (SCHEME_P) |
1125 | { |
1180 | { |
1126 | return NIL; |
1181 | return NIL; |
1127 | } |
1182 | } |
1128 | |
1183 | |
1129 | static INLINE pointer |
1184 | ecb_inline pointer |
1130 | oblist_find_by_name (SCHEME_P_ const char *name) |
1185 | oblist_find_by_name (SCHEME_P_ const char *name) |
1131 | { |
1186 | { |
1132 | pointer x; |
1187 | pointer x; |
1133 | char *s; |
1188 | char *s; |
1134 | |
1189 | |
… | |
… | |
1146 | |
1201 | |
1147 | /* returns the new symbol */ |
1202 | /* returns the new symbol */ |
1148 | static pointer |
1203 | static pointer |
1149 | oblist_add_by_name (SCHEME_P_ const char *name) |
1204 | oblist_add_by_name (SCHEME_P_ const char *name) |
1150 | { |
1205 | { |
1151 | pointer x; |
1206 | pointer x = generate_symbol (SCHEME_A_ name); |
1152 | |
|
|
1153 | x = immutable_cons (mk_string (SCHEME_A_ name), NIL); |
|
|
1154 | set_typeflag (x, T_SYMBOL); |
|
|
1155 | setimmutable (car (x)); |
|
|
1156 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1207 | SCHEME_V->oblist = immutable_cons (x, SCHEME_V->oblist); |
1157 | return x; |
1208 | return x; |
1158 | } |
1209 | } |
1159 | |
1210 | |
1160 | static pointer |
1211 | static pointer |
… | |
… | |
1181 | pointer |
1232 | pointer |
1182 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1233 | mk_foreign_func (SCHEME_P_ foreign_func f) |
1183 | { |
1234 | { |
1184 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1235 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1185 | |
1236 | |
1186 | set_typeflag (x, (T_FOREIGN | T_ATOM)); |
1237 | set_typeflag (x, T_FOREIGN | T_ATOM); |
1187 | x->object.ff = f; |
1238 | x->object.ff = f; |
1188 | |
1239 | |
1189 | return x; |
1240 | return x; |
1190 | } |
1241 | } |
1191 | |
1242 | |
1192 | INTERFACE pointer |
1243 | INTERFACE pointer |
1193 | mk_character (SCHEME_P_ int c) |
1244 | mk_character (SCHEME_P_ int c) |
1194 | { |
1245 | { |
1195 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1246 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1196 | |
1247 | |
1197 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1248 | set_typeflag (x, T_CHARACTER | T_ATOM); |
1198 | ivalue_unchecked (x) = c & 0xff; |
1249 | set_ivalue (x, c & 0xff); |
1199 | set_num_integer (x); |
1250 | |
1200 | return x; |
1251 | return x; |
1201 | } |
1252 | } |
1202 | |
1253 | |
1203 | /* get number atom (integer) */ |
1254 | /* get number atom (integer) */ |
1204 | INTERFACE pointer |
1255 | INTERFACE pointer |
1205 | mk_integer (SCHEME_P_ long num) |
1256 | mk_integer (SCHEME_P_ long n) |
1206 | { |
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 | { |
1207 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1268 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1208 | |
1269 | |
1209 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1270 | set_typeflag (x, T_INTEGER | T_ATOM); |
1210 | ivalue_unchecked (x) = num; |
1271 | setimmutable (x); /* shouldn't do anythi9ng, doesn't cost anything */ |
1211 | set_num_integer (x); |
1272 | set_ivalue (x, n); |
|
|
1273 | |
|
|
1274 | *pp = x; |
|
|
1275 | } |
|
|
1276 | |
1212 | return x; |
1277 | return *pp; |
1213 | } |
1278 | } |
1214 | |
1279 | |
1215 | INTERFACE pointer |
1280 | INTERFACE pointer |
1216 | mk_real (SCHEME_P_ RVALUE n) |
1281 | mk_real (SCHEME_P_ RVALUE n) |
1217 | { |
1282 | { |
|
|
1283 | #if USE_REAL |
1218 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1284 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1219 | |
1285 | |
1220 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1286 | set_typeflag (x, T_REAL | T_ATOM); |
1221 | rvalue_unchecked (x) = n; |
1287 | set_rvalue (x, n); |
1222 | set_num_real (x); |
1288 | |
1223 | return x; |
1289 | return x; |
|
|
1290 | #else |
|
|
1291 | return mk_integer (SCHEME_A_ n); |
|
|
1292 | #endif |
1224 | } |
1293 | } |
1225 | |
1294 | |
1226 | static pointer |
1295 | static pointer |
1227 | mk_number (SCHEME_P_ const num n) |
1296 | mk_number (SCHEME_P_ const num n) |
1228 | { |
1297 | { |
|
|
1298 | #if USE_REAL |
1229 | 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 |
1230 | return mk_integer (SCHEME_A_ num_get_ivalue (n)); |
1303 | return mk_integer (SCHEME_A_ num_ivalue (n)); |
1231 | else |
1304 | #endif |
1232 | return mk_real (SCHEME_A_ num_get_rvalue (n)); |
|
|
1233 | } |
1305 | } |
1234 | |
1306 | |
1235 | /* allocate name to string area */ |
1307 | /* allocate name to string area */ |
1236 | static char * |
1308 | static char * |
1237 | 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) |
… | |
… | |
1243 | SCHEME_V->no_memory = 1; |
1315 | SCHEME_V->no_memory = 1; |
1244 | return SCHEME_V->strbuff; |
1316 | return SCHEME_V->strbuff; |
1245 | } |
1317 | } |
1246 | |
1318 | |
1247 | if (str) |
1319 | if (str) |
1248 | { |
1320 | memcpy (q, str , len_str); /* caller must ensure that *str has length len_str */ |
1249 | int l = strlen (str); |
|
|
1250 | |
|
|
1251 | if (l > len_str) |
|
|
1252 | l = len_str; |
|
|
1253 | |
|
|
1254 | memcpy (q, str, l); |
|
|
1255 | q[l] = 0; |
|
|
1256 | } |
|
|
1257 | else |
1321 | else |
1258 | { |
|
|
1259 | memset (q, fill, len_str); |
1322 | memset (q, fill, len_str); |
|
|
1323 | |
1260 | q[len_str] = 0; |
1324 | q[len_str] = 0; |
1261 | } |
|
|
1262 | |
1325 | |
1263 | return q; |
1326 | return q; |
1264 | } |
1327 | } |
1265 | |
1328 | |
1266 | INTERFACE pointer |
1329 | INTERFACE pointer |
… | |
… | |
1280 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1343 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1281 | |
1344 | |
1282 | set_typeflag (x, T_STRING | T_ATOM); |
1345 | set_typeflag (x, T_STRING | T_ATOM); |
1283 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1346 | strvalue (x) = store_string (SCHEME_A_ len, str, 0); |
1284 | strlength (x) = len; |
1347 | strlength (x) = len; |
|
|
1348 | |
1285 | return x; |
1349 | return x; |
1286 | } |
1350 | } |
1287 | |
1351 | |
1288 | INTERFACE pointer |
1352 | INTERFACE pointer |
1289 | mk_string (SCHEME_P_ const char *str) |
1353 | mk_string (SCHEME_P_ const char *str) |
… | |
… | |
1296 | { |
1360 | { |
1297 | return get_vector_object (SCHEME_A_ len, NIL); |
1361 | return get_vector_object (SCHEME_A_ len, NIL); |
1298 | } |
1362 | } |
1299 | |
1363 | |
1300 | INTERFACE void |
1364 | INTERFACE void |
1301 | fill_vector (pointer vec, pointer obj) |
1365 | fill_vector (pointer vec, uint32_t start, pointer obj) |
1302 | { |
1366 | { |
1303 | int i; |
1367 | int i; |
1304 | |
1368 | |
1305 | for (i = 0; i < vec->object.vector.length; i++) |
1369 | for (i = start; i < veclength (vec); i++) |
1306 | vecvalue (vec)[i] = obj; |
1370 | vecvalue (vec)[i] = obj; |
1307 | } |
1371 | } |
1308 | |
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 | |
1309 | INTERFACE pointer |
1382 | INTERFACE pointer |
1310 | vector_elem (pointer vec, uint32_t ielem) |
1383 | vector_get (pointer vec, uint32_t ielem) |
1311 | { |
1384 | { |
1312 | return vecvalue(vec)[ielem]; |
1385 | return vecvalue(vec)[ielem]; |
1313 | } |
1386 | } |
1314 | |
1387 | |
1315 | INTERFACE void |
1388 | INTERFACE void |
1316 | set_vector_elem (pointer vec, uint32_t ielem, pointer a) |
1389 | vector_set (pointer vec, uint32_t ielem, pointer a) |
1317 | { |
1390 | { |
1318 | vecvalue(vec)[ielem] = a; |
1391 | vecvalue(vec)[ielem] = a; |
1319 | } |
1392 | } |
1320 | |
1393 | |
1321 | /* get new symbol */ |
1394 | /* get new symbol */ |
… | |
… | |
1333 | |
1406 | |
1334 | INTERFACE pointer |
1407 | INTERFACE pointer |
1335 | gensym (SCHEME_P) |
1408 | gensym (SCHEME_P) |
1336 | { |
1409 | { |
1337 | pointer x; |
1410 | pointer x; |
1338 | |
|
|
1339 | for (; SCHEME_V->gensym_cnt < LONG_MAX; SCHEME_V->gensym_cnt++) |
|
|
1340 | { |
|
|
1341 | char name[40] = "gensym-"; |
1411 | char name[40] = "gensym-"; |
1342 | xnum (name + 7, SCHEME_V->gensym_cnt); |
1412 | xnum (name + 7, ++SCHEME_V->gensym_cnt); |
1343 | |
1413 | |
1344 | /* first check oblist */ |
1414 | return generate_symbol (SCHEME_A_ name); |
1345 | x = oblist_find_by_name (SCHEME_A_ name); |
1415 | } |
1346 | |
1416 | |
1347 | if (x == NIL) |
1417 | static int |
1348 | { |
1418 | is_gensym (SCHEME_P_ pointer x) |
1349 | x = oblist_add_by_name (SCHEME_A_ name); |
1419 | { |
1350 | return x; |
1420 | return is_symbol (x) && oblist_find_by_name (SCHEME_A_ strvalue (x)) != x; |
1351 | } |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | return NIL; |
|
|
1355 | } |
1421 | } |
1356 | |
1422 | |
1357 | /* make symbol or number atom from string */ |
1423 | /* make symbol or number atom from string */ |
1358 | static pointer |
1424 | static pointer |
1359 | mk_atom (SCHEME_P_ char *q) |
1425 | mk_atom (SCHEME_P_ char *q) |
… | |
… | |
1413 | } |
1479 | } |
1414 | else if ((c == 'e') || (c == 'E')) |
1480 | else if ((c == 'e') || (c == 'E')) |
1415 | { |
1481 | { |
1416 | if (!has_fp_exp) |
1482 | if (!has_fp_exp) |
1417 | { |
1483 | { |
1418 | has_dec_point = 1; /* decimal point illegal |
1484 | has_dec_point = 1; /* decimal point illegal from now on */ |
1419 | from now on */ |
|
|
1420 | p++; |
1485 | p++; |
1421 | |
1486 | |
1422 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1487 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1423 | continue; |
1488 | continue; |
1424 | } |
1489 | } |
… | |
… | |
1512 | |
1577 | |
1513 | if (ecb_expect_false (is_vector (p))) |
1578 | if (ecb_expect_false (is_vector (p))) |
1514 | { |
1579 | { |
1515 | int i; |
1580 | int i; |
1516 | |
1581 | |
1517 | for (i = 0; i < p->object.vector.length; i++) |
1582 | for (i = 0; i < veclength (p); i++) |
1518 | mark (vecvalue (p)[i]); |
1583 | mark (vecvalue (p)[i]); |
1519 | } |
1584 | } |
1520 | |
1585 | |
1521 | if (is_atom (p)) |
1586 | if (is_atom (p)) |
1522 | goto E6; |
1587 | goto E6; |
… | |
… | |
1595 | /* Mark recent objects the interpreter doesn't know about yet. */ |
1660 | /* Mark recent objects the interpreter doesn't know about yet. */ |
1596 | mark (car (S_SINK)); |
1661 | mark (car (S_SINK)); |
1597 | /* Mark any older stuff above nested C calls */ |
1662 | /* Mark any older stuff above nested C calls */ |
1598 | mark (SCHEME_V->c_nest); |
1663 | mark (SCHEME_V->c_nest); |
1599 | |
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 | |
1600 | /* mark variables a, b */ |
1672 | /* mark variables a, b */ |
1601 | mark (a); |
1673 | mark (a); |
1602 | mark (b); |
1674 | mark (b); |
1603 | |
1675 | |
1604 | /* garbage collect */ |
1676 | /* garbage collect */ |
1605 | clrmark (NIL); |
1677 | clrmark (NIL); |
1606 | SCHEME_V->fcells = 0; |
1678 | SCHEME_V->fcells = 0; |
1607 | SCHEME_V->free_cell = NIL; |
1679 | SCHEME_V->free_cell = NIL; |
1608 | |
1680 | |
1609 | /* free-list is kept sorted by address so as to maintain consecutive |
1681 | if (SCHEME_V->gc_verbose) |
1610 | ranges, if possible, for use with vectors. Here we scan the cells |
1682 | xwrstr ("freeing..."); |
1611 | (which are also kept sorted by address) downwards to build the |
1683 | |
1612 | free-list in sorted order. |
1684 | uint32_t total = 0; |
1613 | */ |
1685 | |
|
|
1686 | /* Here we scan the cells to build the free-list. */ |
1614 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1687 | for (i = SCHEME_V->last_cell_seg; i >= 0; i--) |
1615 | { |
1688 | { |
1616 | 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]; |
1617 | |
1691 | |
1618 | while (--p >= SCHEME_V->cell_seg[i]) |
1692 | for (p = SCHEME_V->cell_seg[i]; p < end; ++p) |
1619 | { |
1693 | { |
1620 | if (is_mark (p)) |
1694 | if (is_mark (p)) |
1621 | clrmark (p); |
1695 | clrmark (p); |
1622 | else |
1696 | else |
1623 | { |
1697 | { |
1624 | /* reclaim cell */ |
1698 | /* reclaim cell */ |
1625 | if (typeflag (p) != T_FREE) |
1699 | if (typeflag (p) != T_PAIR) |
1626 | { |
1700 | { |
1627 | finalize_cell (SCHEME_A_ p); |
1701 | finalize_cell (SCHEME_A_ p); |
1628 | set_typeflag (p, T_FREE); |
1702 | set_typeflag (p, T_PAIR); |
1629 | set_car (p, NIL); |
1703 | set_car (p, NIL); |
1630 | } |
1704 | } |
1631 | |
1705 | |
1632 | ++SCHEME_V->fcells; |
1706 | ++SCHEME_V->fcells; |
1633 | set_cdr (p, SCHEME_V->free_cell); |
1707 | set_cdr (p, SCHEME_V->free_cell); |
… | |
… | |
1635 | } |
1709 | } |
1636 | } |
1710 | } |
1637 | } |
1711 | } |
1638 | |
1712 | |
1639 | if (SCHEME_V->gc_verbose) |
1713 | if (SCHEME_V->gc_verbose) |
|
|
1714 | { |
1640 | 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 | } |
1641 | } |
1717 | } |
1642 | |
1718 | |
1643 | static void |
1719 | static void |
1644 | finalize_cell (SCHEME_P_ pointer a) |
1720 | finalize_cell (SCHEME_P_ pointer a) |
1645 | { |
1721 | { |
1646 | /* TODO, fast bitmap check? */ |
1722 | /* TODO, fast bitmap check? */ |
1647 | if (is_string (a)) |
1723 | if (is_string (a) || is_symbol (a)) |
1648 | free (strvalue (a)); |
1724 | free (strvalue (a)); |
1649 | else if (is_vector (a)) |
1725 | else if (is_vector (a)) |
1650 | free (vecvalue (a)); |
1726 | free (vecvalue (a)); |
1651 | #if USE_PORTS |
1727 | #if USE_PORTS |
1652 | else if (is_port (a)) |
1728 | else if (is_port (a)) |
… | |
… | |
2074 | #endif |
2150 | #endif |
2075 | } |
2151 | } |
2076 | |
2152 | |
2077 | /* read characters up to delimiter, but cater to character constants */ |
2153 | /* read characters up to delimiter, but cater to character constants */ |
2078 | static char * |
2154 | static char * |
2079 | readstr_upto (SCHEME_P_ char *delim) |
2155 | readstr_upto (SCHEME_P_ int skip, const char *delim) |
2080 | { |
2156 | { |
2081 | char *p = SCHEME_V->strbuff; |
2157 | char *p = SCHEME_V->strbuff + skip; |
2082 | |
2158 | |
2083 | 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)))); |
2084 | |
2160 | |
2085 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2161 | if (p == SCHEME_V->strbuff + 2 && p[-2] == '\\') |
2086 | *p = 0; |
2162 | *p = 0; |
… | |
… | |
2093 | return SCHEME_V->strbuff; |
2169 | return SCHEME_V->strbuff; |
2094 | } |
2170 | } |
2095 | |
2171 | |
2096 | /* read string expression "xxx...xxx" */ |
2172 | /* read string expression "xxx...xxx" */ |
2097 | static pointer |
2173 | static pointer |
2098 | readstrexp (SCHEME_P) |
2174 | readstrexp (SCHEME_P_ char delim) |
2099 | { |
2175 | { |
2100 | char *p = SCHEME_V->strbuff; |
2176 | char *p = SCHEME_V->strbuff; |
2101 | int c; |
2177 | int c; |
2102 | int c1 = 0; |
2178 | int c1 = 0; |
2103 | enum |
|
|
2104 | { 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; |
2105 | |
2180 | |
2106 | for (;;) |
2181 | for (;;) |
2107 | { |
2182 | { |
2108 | c = inchar (SCHEME_A); |
2183 | c = inchar (SCHEME_A); |
2109 | |
2184 | |
… | |
… | |
2111 | return S_F; |
2186 | return S_F; |
2112 | |
2187 | |
2113 | switch (state) |
2188 | switch (state) |
2114 | { |
2189 | { |
2115 | case st_ok: |
2190 | case st_ok: |
2116 | switch (c) |
2191 | if (ecb_expect_false (c == delim)) |
2117 | { |
|
|
2118 | case '\\': |
|
|
2119 | state = st_bsl; |
|
|
2120 | break; |
|
|
2121 | |
|
|
2122 | case '"': |
|
|
2123 | *p = 0; |
|
|
2124 | 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); |
2125 | |
2193 | |
2126 | default: |
2194 | if (ecb_expect_false (c == '\\')) |
|
|
2195 | state = st_bsl; |
|
|
2196 | else |
2127 | *p++ = c; |
2197 | *p++ = c; |
2128 | break; |
|
|
2129 | } |
|
|
2130 | |
2198 | |
2131 | break; |
2199 | break; |
2132 | |
2200 | |
2133 | case st_bsl: |
2201 | case st_bsl: |
2134 | switch (c) |
2202 | switch (c) |
… | |
… | |
2164 | case 'r': |
2232 | case 'r': |
2165 | *p++ = '\r'; |
2233 | *p++ = '\r'; |
2166 | state = st_ok; |
2234 | state = st_ok; |
2167 | break; |
2235 | break; |
2168 | |
2236 | |
2169 | case '"': |
|
|
2170 | *p++ = '"'; |
|
|
2171 | state = st_ok; |
|
|
2172 | break; |
|
|
2173 | |
|
|
2174 | default: |
2237 | default: |
2175 | *p++ = c; |
2238 | *p++ = c; |
2176 | state = st_ok; |
2239 | state = st_ok; |
2177 | break; |
2240 | break; |
2178 | } |
2241 | } |
2179 | |
2242 | |
2180 | break; |
2243 | break; |
2181 | |
2244 | |
2182 | case st_x1: |
2245 | case st_x1: |
2183 | case st_x2: |
2246 | case st_x2: |
2184 | c = toupper (c); |
2247 | c = tolower (c); |
2185 | |
2248 | |
2186 | if (c >= '0' && c <= 'F') |
2249 | if (c >= '0' && c <= '9') |
2187 | { |
|
|
2188 | if (c <= '9') |
|
|
2189 | c1 = (c1 << 4) + c - '0'; |
2250 | c1 = (c1 << 4) + c - '0'; |
2190 | else |
2251 | else if (c >= 'a' && c <= 'f') |
2191 | c1 = (c1 << 4) + c - 'A' + 10; |
2252 | c1 = (c1 << 4) + c - 'a' + 10; |
2192 | |
|
|
2193 | if (state == st_x1) |
|
|
2194 | state = st_x2; |
|
|
2195 | else |
|
|
2196 | { |
|
|
2197 | *p++ = c1; |
|
|
2198 | state = st_ok; |
|
|
2199 | } |
|
|
2200 | } |
|
|
2201 | else |
2253 | else |
2202 | 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 | } |
2203 | |
2263 | |
2204 | break; |
2264 | break; |
2205 | |
2265 | |
2206 | case st_oct1: |
2266 | case st_oct1: |
2207 | case st_oct2: |
2267 | case st_oct2: |
… | |
… | |
2211 | backchar (SCHEME_A_ c); |
2271 | backchar (SCHEME_A_ c); |
2212 | state = st_ok; |
2272 | state = st_ok; |
2213 | } |
2273 | } |
2214 | else |
2274 | else |
2215 | { |
2275 | { |
2216 | if (state == st_oct2 && c1 >= 32) |
2276 | if (state == st_oct2 && c1 >= ' ') |
2217 | return S_F; |
2277 | return S_F; |
2218 | |
2278 | |
2219 | c1 = (c1 << 3) + (c - '0'); |
2279 | c1 = (c1 << 3) + (c - '0'); |
2220 | |
2280 | |
2221 | if (state == st_oct1) |
2281 | if (state == st_oct1) |
… | |
… | |
2226 | state = st_ok; |
2286 | state = st_ok; |
2227 | } |
2287 | } |
2228 | } |
2288 | } |
2229 | |
2289 | |
2230 | break; |
2290 | break; |
2231 | |
|
|
2232 | } |
2291 | } |
2233 | } |
2292 | } |
2234 | } |
2293 | } |
2235 | |
2294 | |
2236 | /* check c is in chars */ |
2295 | /* check c is in chars */ |
2237 | static INLINE int |
2296 | ecb_inline int |
2238 | is_one_of (char *s, int c) |
2297 | is_one_of (const char *s, int c) |
2239 | { |
2298 | { |
2240 | if (c == EOF) |
|
|
2241 | return 1; |
|
|
2242 | |
|
|
2243 | return !!strchr (s, c); |
2299 | return c == EOF || !!strchr (s, c); |
2244 | } |
2300 | } |
2245 | |
2301 | |
2246 | /* skip white characters */ |
2302 | /* skip white characters */ |
2247 | static INLINE int |
2303 | ecb_inline int |
2248 | skipspace (SCHEME_P) |
2304 | skipspace (SCHEME_P) |
2249 | { |
2305 | { |
2250 | int c, curr_line = 0; |
2306 | int c, curr_line = 0; |
2251 | |
2307 | |
2252 | do |
2308 | do |
2253 | { |
2309 | { |
2254 | c = inchar (SCHEME_A); |
2310 | c = inchar (SCHEME_A); |
|
|
2311 | |
2255 | #if SHOW_ERROR_LINE |
2312 | #if SHOW_ERROR_LINE |
2256 | if (c == '\n') |
2313 | if (ecb_expect_false (c == '\n')) |
2257 | curr_line++; |
2314 | curr_line++; |
2258 | #endif |
2315 | #endif |
|
|
2316 | |
|
|
2317 | if (ecb_expect_false (c == EOF)) |
|
|
2318 | return c; |
2259 | } |
2319 | } |
2260 | while (c == ' ' || c == '\n' || c == '\r' || c == '\t'); |
2320 | while (is_one_of (WHITESPACE, c)); |
2261 | |
2321 | |
2262 | /* record it */ |
2322 | /* record it */ |
2263 | #if SHOW_ERROR_LINE |
2323 | #if SHOW_ERROR_LINE |
2264 | 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) |
2265 | 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; |
2266 | #endif |
2326 | #endif |
2267 | |
2327 | |
2268 | if (c != EOF) |
|
|
2269 | { |
|
|
2270 | backchar (SCHEME_A_ c); |
2328 | backchar (SCHEME_A_ c); |
2271 | return 1; |
2329 | return 1; |
2272 | } |
|
|
2273 | else |
|
|
2274 | return EOF; |
|
|
2275 | } |
2330 | } |
2276 | |
2331 | |
2277 | /* get token */ |
2332 | /* get token */ |
2278 | static int |
2333 | static int |
2279 | token (SCHEME_P) |
2334 | token (SCHEME_P) |
… | |
… | |
2295 | return TOK_RPAREN; |
2350 | return TOK_RPAREN; |
2296 | |
2351 | |
2297 | case '.': |
2352 | case '.': |
2298 | c = inchar (SCHEME_A); |
2353 | c = inchar (SCHEME_A); |
2299 | |
2354 | |
2300 | if (is_one_of (" \n\t", c)) |
2355 | if (is_one_of (WHITESPACE, c)) |
2301 | return TOK_DOT; |
2356 | return TOK_DOT; |
2302 | else |
2357 | else |
2303 | { |
2358 | { |
2304 | //TODO: ungetc twice in a row is not supported in C |
|
|
2305 | backchar (SCHEME_A_ c); |
2359 | backchar (SCHEME_A_ c); |
2306 | backchar (SCHEME_A_ '.'); |
|
|
2307 | return TOK_ATOM; |
2360 | return TOK_DOTATOM; |
2308 | } |
2361 | } |
|
|
2362 | |
|
|
2363 | case '|': |
|
|
2364 | return TOK_STRATOM; |
2309 | |
2365 | |
2310 | case '\'': |
2366 | case '\'': |
2311 | return TOK_QUOTE; |
2367 | return TOK_QUOTE; |
2312 | |
2368 | |
2313 | case ';': |
2369 | case ';': |
… | |
… | |
2445 | } |
2501 | } |
2446 | |
2502 | |
2447 | putcharacter (SCHEME_A_ '"'); |
2503 | putcharacter (SCHEME_A_ '"'); |
2448 | } |
2504 | } |
2449 | |
2505 | |
2450 | |
|
|
2451 | /* print atoms */ |
2506 | /* print atoms */ |
2452 | static void |
2507 | static void |
2453 | printatom (SCHEME_P_ pointer l, int f) |
2508 | printatom (SCHEME_P_ pointer l, int f) |
2454 | { |
2509 | { |
2455 | char *p; |
2510 | char *p; |
2456 | int len; |
2511 | int len; |
2457 | |
2512 | |
2458 | atom2str (SCHEME_A_ l, f, &p, &len); |
2513 | atom2str (SCHEME_A_ l, f, &p, &len); |
2459 | putchars (SCHEME_A_ p, len); |
2514 | putchars (SCHEME_A_ p, len); |
2460 | } |
2515 | } |
2461 | |
|
|
2462 | |
2516 | |
2463 | /* Uses internal buffer unless string pointer is already available */ |
2517 | /* Uses internal buffer unless string pointer is already available */ |
2464 | static void |
2518 | static void |
2465 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2519 | atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen) |
2466 | { |
2520 | { |
… | |
… | |
2480 | { |
2534 | { |
2481 | p = SCHEME_V->strbuff; |
2535 | p = SCHEME_V->strbuff; |
2482 | |
2536 | |
2483 | 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 */ |
2484 | { |
2538 | { |
2485 | if (num_is_integer (l)) |
2539 | if (is_integer (l)) |
2486 | xnum (p, ivalue_unchecked (l)); |
2540 | xnum (p, ivalue_unchecked (l)); |
2487 | #if USE_REAL |
2541 | #if USE_REAL |
2488 | else |
2542 | else |
2489 | { |
2543 | { |
2490 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2544 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2627 | #endif |
2681 | #endif |
2628 | } |
2682 | } |
2629 | else if (is_continuation (l)) |
2683 | else if (is_continuation (l)) |
2630 | p = "#<CONTINUATION>"; |
2684 | p = "#<CONTINUATION>"; |
2631 | else |
2685 | else |
|
|
2686 | { |
|
|
2687 | #if USE_PRINTF |
|
|
2688 | p = SCHEME_V->strbuff; |
|
|
2689 | snprintf (p, STRBUFFSIZE, "#<ERROR %x>", (int)typeflag (l)); |
|
|
2690 | #else |
2632 | p = "#<ERROR>"; |
2691 | p = "#<ERROR>"; |
|
|
2692 | #endif |
|
|
2693 | } |
2633 | |
2694 | |
2634 | *pp = p; |
2695 | *pp = p; |
2635 | *plen = strlen (p); |
2696 | *plen = strlen (p); |
2636 | } |
2697 | } |
2637 | |
2698 | |
… | |
… | |
2745 | return 0; |
2806 | return 0; |
2746 | } |
2807 | } |
2747 | else if (is_number (a)) |
2808 | else if (is_number (a)) |
2748 | { |
2809 | { |
2749 | if (is_number (b)) |
2810 | if (is_number (b)) |
2750 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2751 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2811 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2752 | |
2812 | |
2753 | return 0; |
2813 | return 0; |
2754 | } |
2814 | } |
2755 | else if (is_character (a)) |
2815 | else if (is_character (a)) |
2756 | { |
2816 | { |
… | |
… | |
2782 | /* () is #t in R5RS */ |
2842 | /* () is #t in R5RS */ |
2783 | #define is_true(p) ((p) != S_F) |
2843 | #define is_true(p) ((p) != S_F) |
2784 | #define is_false(p) ((p) == S_F) |
2844 | #define is_false(p) ((p) == S_F) |
2785 | |
2845 | |
2786 | /* ========== Environment implementation ========== */ |
2846 | /* ========== Environment implementation ========== */ |
2787 | |
|
|
2788 | #if !defined(USE_ALIST_ENV) || !defined(USE_OBJECT_LIST) |
|
|
2789 | |
|
|
2790 | static int |
|
|
2791 | hash_fn (const char *key, int table_size) |
|
|
2792 | { |
|
|
2793 | const unsigned char *p = key; |
|
|
2794 | uint32_t hash = 2166136261; |
|
|
2795 | |
|
|
2796 | while (*p) |
|
|
2797 | hash = (hash ^ *p++) * 16777619; |
|
|
2798 | |
|
|
2799 | return hash % table_size; |
|
|
2800 | } |
|
|
2801 | #endif |
|
|
2802 | |
2847 | |
2803 | #ifndef USE_ALIST_ENV |
2848 | #ifndef USE_ALIST_ENV |
2804 | |
2849 | |
2805 | /* |
2850 | /* |
2806 | * In this implementation, each frame of the environment may be |
2851 | * In this implementation, each frame of the environment may be |
… | |
… | |
2823 | |
2868 | |
2824 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2869 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2825 | setenvironment (SCHEME_V->envir); |
2870 | setenvironment (SCHEME_V->envir); |
2826 | } |
2871 | } |
2827 | |
2872 | |
2828 | 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 |
2829 | 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) |
2830 | { |
2890 | { |
2831 | pointer slot = immutable_cons (variable, value); |
2891 | pointer slot = immutable_cons (variable, value); |
2832 | |
2892 | |
2833 | if (is_vector (car (env))) |
2893 | if (is_vector (car (env))) |
2834 | { |
2894 | { |
2835 | int location = hash_fn (symname (variable), veclength (car (env))); |
2895 | int location = sym_hash (variable, veclength (car (env))); |
2836 | |
|
|
2837 | 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))); |
2838 | } |
2897 | } |
2839 | else |
2898 | else |
2840 | set_car (env, immutable_cons (slot, car (env))); |
2899 | set_car (env, immutable_cons (slot, car (env))); |
2841 | } |
2900 | } |
2842 | |
2901 | |
2843 | static pointer |
2902 | static pointer |
2844 | 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) |
2845 | { |
2904 | { |
2846 | pointer x, y; |
2905 | pointer x, y; |
2847 | int location; |
|
|
2848 | |
2906 | |
2849 | for (x = env; x != NIL; x = cdr (x)) |
2907 | for (x = env; x != NIL; x = cdr (x)) |
2850 | { |
2908 | { |
2851 | if (is_vector (car (x))) |
2909 | if (is_vector (car (x))) |
2852 | { |
2910 | { |
2853 | location = hash_fn (symname (hdl), veclength (car (x))); |
2911 | int location = sym_hash (hdl, veclength (car (x))); |
2854 | y = vector_elem (car (x), location); |
2912 | y = vector_get (car (x), location); |
2855 | } |
2913 | } |
2856 | else |
2914 | else |
2857 | y = car (x); |
2915 | y = car (x); |
2858 | |
2916 | |
2859 | for (; y != NIL; y = cdr (y)) |
2917 | for (; y != NIL; y = cdr (y)) |
2860 | if (caar (y) == hdl) |
2918 | if (caar (y) == hdl) |
2861 | break; |
2919 | break; |
2862 | |
2920 | |
2863 | if (y != NIL) |
2921 | if (y != NIL) |
|
|
2922 | return car (y); |
|
|
2923 | |
|
|
2924 | if (!all) |
2864 | break; |
2925 | break; |
2865 | |
|
|
2866 | if (!all) |
|
|
2867 | return NIL; |
|
|
2868 | } |
2926 | } |
2869 | |
|
|
2870 | if (x != NIL) |
|
|
2871 | return car (y); |
|
|
2872 | |
2927 | |
2873 | return NIL; |
2928 | return NIL; |
2874 | } |
2929 | } |
2875 | |
2930 | |
2876 | #else /* USE_ALIST_ENV */ |
2931 | #else /* USE_ALIST_ENV */ |
2877 | |
2932 | |
2878 | static INLINE void |
2933 | ecb_inline void |
2879 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2934 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2880 | { |
2935 | { |
2881 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2936 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2882 | setenvironment (SCHEME_V->envir); |
2937 | setenvironment (SCHEME_V->envir); |
2883 | } |
2938 | } |
2884 | |
2939 | |
2885 | static INLINE void |
2940 | ecb_inline void |
2886 | 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) |
2887 | { |
2942 | { |
2888 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2943 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2889 | } |
2944 | } |
2890 | |
2945 | |
… | |
… | |
2898 | for (y = car (x); y != NIL; y = cdr (y)) |
2953 | for (y = car (x); y != NIL; y = cdr (y)) |
2899 | if (caar (y) == hdl) |
2954 | if (caar (y) == hdl) |
2900 | break; |
2955 | break; |
2901 | |
2956 | |
2902 | if (y != NIL) |
2957 | if (y != NIL) |
|
|
2958 | return car (y); |
2903 | break; |
2959 | break; |
2904 | |
2960 | |
2905 | if (!all) |
2961 | if (!all) |
2906 | return NIL; |
2962 | break; |
2907 | } |
2963 | } |
2908 | |
|
|
2909 | if (x != NIL) |
|
|
2910 | return car (y); |
|
|
2911 | |
2964 | |
2912 | return NIL; |
2965 | return NIL; |
2913 | } |
2966 | } |
2914 | |
2967 | |
2915 | #endif /* USE_ALIST_ENV else */ |
2968 | #endif /* USE_ALIST_ENV else */ |
2916 | |
2969 | |
2917 | static INLINE void |
2970 | ecb_inline void |
2918 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2971 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2919 | { |
2972 | { |
|
|
2973 | assert (is_symbol (variable));//TODO: bug in current-ws/OP_LET2 |
2920 | 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); |
2921 | } |
2975 | } |
2922 | |
2976 | |
2923 | static INLINE void |
2977 | ecb_inline void |
2924 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2978 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2925 | { |
2979 | { |
2926 | set_cdr (slot, value); |
2980 | set_cdr (slot, value); |
2927 | } |
2981 | } |
2928 | |
2982 | |
2929 | static INLINE pointer |
2983 | ecb_inline pointer |
2930 | slot_value_in_env (pointer slot) |
2984 | slot_value_in_env (pointer slot) |
2931 | { |
2985 | { |
2932 | return cdr (slot); |
2986 | return cdr (slot); |
2933 | } |
2987 | } |
2934 | |
2988 | |
… | |
… | |
3062 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3116 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3063 | |
3117 | |
3064 | return 0; |
3118 | return 0; |
3065 | } |
3119 | } |
3066 | |
3120 | |
3067 | static INLINE void |
3121 | ecb_inline void |
3068 | dump_stack_reset (SCHEME_P) |
3122 | dump_stack_reset (SCHEME_P) |
3069 | { |
3123 | { |
3070 | /* 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 */ |
3071 | SCHEME_V->dump = (pointer)+0; |
3125 | SCHEME_V->dump = (pointer)+0; |
3072 | } |
3126 | } |
3073 | |
3127 | |
3074 | static INLINE void |
3128 | ecb_inline void |
3075 | dump_stack_initialize (SCHEME_P) |
3129 | dump_stack_initialize (SCHEME_P) |
3076 | { |
3130 | { |
3077 | SCHEME_V->dump_size = 0; |
3131 | SCHEME_V->dump_size = 0; |
3078 | SCHEME_V->dump_base = 0; |
3132 | SCHEME_V->dump_base = 0; |
3079 | dump_stack_reset (SCHEME_A); |
3133 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3132 | int i = 0; |
3186 | int i = 0; |
3133 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3187 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3134 | |
3188 | |
3135 | while (cont != NIL) |
3189 | while (cont != NIL) |
3136 | { |
3190 | { |
3137 | frame->op = ivalue (car (cont)); cont = cdr (cont); |
3191 | frame->op = ivalue_unchecked (car (cont)); cont = cdr (cont); |
3138 | frame->args = car (cont) ; cont = cdr (cont); |
3192 | frame->args = car (cont) ; cont = cdr (cont); |
3139 | frame->envir = car (cont) ; cont = cdr (cont); |
3193 | frame->envir = car (cont) ; cont = cdr (cont); |
3140 | frame->code = car (cont) ; cont = cdr (cont); |
3194 | frame->code = car (cont) ; cont = cdr (cont); |
3141 | |
3195 | |
3142 | ++frame; |
3196 | ++frame; |
3143 | ++i; |
3197 | ++i; |
3144 | } |
3198 | } |
3145 | |
3199 | |
3146 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3200 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3147 | } |
3201 | } |
3148 | |
3202 | |
3149 | #else |
3203 | #else |
3150 | |
3204 | |
3151 | static INLINE void |
3205 | ecb_inline void |
3152 | dump_stack_reset (SCHEME_P) |
3206 | dump_stack_reset (SCHEME_P) |
3153 | { |
3207 | { |
3154 | SCHEME_V->dump = NIL; |
3208 | SCHEME_V->dump = NIL; |
3155 | } |
3209 | } |
3156 | |
3210 | |
3157 | static INLINE void |
3211 | ecb_inline void |
3158 | dump_stack_initialize (SCHEME_P) |
3212 | dump_stack_initialize (SCHEME_P) |
3159 | { |
3213 | { |
3160 | dump_stack_reset (SCHEME_A); |
3214 | dump_stack_reset (SCHEME_A); |
3161 | } |
3215 | } |
3162 | |
3216 | |
… | |
… | |
3174 | SCHEME_V->value = a; |
3228 | SCHEME_V->value = a; |
3175 | |
3229 | |
3176 | if (dump == NIL) |
3230 | if (dump == NIL) |
3177 | return -1; |
3231 | return -1; |
3178 | |
3232 | |
3179 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3233 | SCHEME_V->op = ivalue_unchecked (car (dump)); dump = cdr (dump); |
3180 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3234 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3181 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3235 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3182 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3236 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3183 | |
3237 | |
3184 | SCHEME_V->dump = dump; |
3238 | SCHEME_V->dump = dump; |
3185 | |
3239 | |
3186 | return 0; |
3240 | return 0; |
3187 | } |
3241 | } |
… | |
… | |
3216 | |
3270 | |
3217 | #endif |
3271 | #endif |
3218 | |
3272 | |
3219 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3273 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3220 | |
3274 | |
|
|
3275 | #if EXPERIMENT |
|
|
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 | |
3221 | static int |
3333 | static int |
3222 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3334 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3223 | { |
3335 | { |
3224 | pointer args = SCHEME_V->args; |
3336 | pointer args = SCHEME_V->args; |
3225 | pointer x, y; |
3337 | pointer x, y; |
3226 | |
3338 | |
3227 | switch (op) |
3339 | switch (op) |
3228 | { |
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 |
3229 | case OP_LOAD: /* load */ |
3347 | case OP_LOAD: /* load */ |
3230 | if (file_interactive (SCHEME_A)) |
3348 | if (file_interactive (SCHEME_A)) |
3231 | { |
3349 | { |
3232 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3350 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3233 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3351 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
… | |
… | |
3356 | } |
3474 | } |
3357 | else |
3475 | else |
3358 | s_return (SCHEME_V->code); |
3476 | s_return (SCHEME_V->code); |
3359 | |
3477 | |
3360 | case OP_E0ARGS: /* eval arguments */ |
3478 | case OP_E0ARGS: /* eval arguments */ |
3361 | if (is_macro (SCHEME_V->value)) /* macro expansion */ |
3479 | if (ecb_expect_false (is_macro (SCHEME_V->value))) /* macro expansion */ |
3362 | { |
3480 | { |
3363 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3481 | s_save (SCHEME_A_ OP_DOMACRO, NIL, NIL); |
3364 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3482 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3365 | SCHEME_V->code = SCHEME_V->value; |
3483 | SCHEME_V->code = SCHEME_V->value; |
3366 | s_goto (OP_APPLY); |
3484 | s_goto (OP_APPLY); |
… | |
… | |
3393 | |
3511 | |
3394 | case OP_TRACING: |
3512 | case OP_TRACING: |
3395 | { |
3513 | { |
3396 | int tr = SCHEME_V->tracing; |
3514 | int tr = SCHEME_V->tracing; |
3397 | |
3515 | |
3398 | SCHEME_V->tracing = ivalue (car (args)); |
3516 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3399 | s_return (mk_integer (SCHEME_A_ tr)); |
3517 | s_return (mk_integer (SCHEME_A_ tr)); |
3400 | } |
3518 | } |
3401 | |
3519 | |
3402 | #endif |
3520 | #endif |
3403 | |
3521 | |
… | |
… | |
3467 | |
3585 | |
3468 | case OP_DOMACRO: /* do macro */ |
3586 | case OP_DOMACRO: /* do macro */ |
3469 | SCHEME_V->code = SCHEME_V->value; |
3587 | SCHEME_V->code = SCHEME_V->value; |
3470 | s_goto (OP_EVAL); |
3588 | s_goto (OP_EVAL); |
3471 | |
3589 | |
3472 | #if 1 |
|
|
3473 | |
|
|
3474 | case OP_LAMBDA: /* lambda */ |
3590 | case OP_LAMBDA: /* lambda */ |
3475 | /* 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 |
3476 | set SCHEME_V->value fall thru */ |
3592 | set SCHEME_V->value fall thru */ |
3477 | { |
3593 | { |
3478 | 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); |
… | |
… | |
3484 | SCHEME_V->code = slot_value_in_env (f); |
3600 | SCHEME_V->code = slot_value_in_env (f); |
3485 | s_goto (OP_APPLY); |
3601 | s_goto (OP_APPLY); |
3486 | } |
3602 | } |
3487 | |
3603 | |
3488 | SCHEME_V->value = SCHEME_V->code; |
3604 | SCHEME_V->value = SCHEME_V->code; |
3489 | /* Fallthru */ |
|
|
3490 | } |
3605 | } |
|
|
3606 | /* Fallthru */ |
3491 | |
3607 | |
3492 | case OP_LAMBDA1: |
3608 | case OP_LAMBDA1: |
3493 | 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)); |
3494 | |
|
|
3495 | #else |
|
|
3496 | |
|
|
3497 | case OP_LAMBDA: /* lambda */ |
|
|
3498 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
|
|
3499 | |
|
|
3500 | #endif |
|
|
3501 | |
3610 | |
3502 | case OP_MKCLOSURE: /* make-closure */ |
3611 | case OP_MKCLOSURE: /* make-closure */ |
3503 | x = car (args); |
3612 | x = car (args); |
3504 | |
3613 | |
3505 | if (car (x) == SCHEME_V->LAMBDA) |
3614 | if (car (x) == SCHEME_V->LAMBDA) |
… | |
… | |
3912 | SCHEME_V->code = car (args); |
4021 | SCHEME_V->code = car (args); |
3913 | 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); |
3914 | s_goto (OP_APPLY); |
4023 | s_goto (OP_APPLY); |
3915 | } |
4024 | } |
3916 | |
4025 | |
3917 | abort (); |
4026 | if (USE_ERROR_CHECKING) abort (); |
3918 | } |
4027 | } |
3919 | |
4028 | |
3920 | static int |
4029 | static int |
3921 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
4030 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3922 | { |
4031 | { |
3923 | pointer args = SCHEME_V->args; |
4032 | pointer args = SCHEME_V->args; |
3924 | pointer x = car (args); |
4033 | pointer x = car (args); |
3925 | num v; |
4034 | num v; |
3926 | |
4035 | |
3927 | #if USE_MATH |
|
|
3928 | RVALUE dd; |
|
|
3929 | #endif |
|
|
3930 | |
|
|
3931 | switch (op) |
4036 | switch (op) |
3932 | { |
4037 | { |
3933 | #if USE_MATH |
4038 | #if USE_MATH |
3934 | case OP_INEX2EX: /* inexact->exact */ |
4039 | case OP_INEX2EX: /* inexact->exact */ |
|
|
4040 | { |
3935 | if (num_is_integer (x)) |
4041 | if (is_integer (x)) |
3936 | s_return (x); |
4042 | s_return (x); |
3937 | else if (modf (rvalue_unchecked (x), &dd) == 0) |
4043 | |
|
|
4044 | RVALUE r = rvalue_unchecked (x); |
|
|
4045 | |
|
|
4046 | if (r == (RVALUE)(IVALUE)r) |
3938 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4047 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
3939 | else |
4048 | else |
3940 | Error_1 ("inexact->exact: not integral:", x); |
4049 | Error_1 ("inexact->exact: not integral:", x); |
|
|
4050 | } |
3941 | |
4051 | |
3942 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4052 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3943 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4053 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3944 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4054 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3945 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4055 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
… | |
… | |
3963 | { |
4073 | { |
3964 | RVALUE result; |
4074 | RVALUE result; |
3965 | int real_result = 1; |
4075 | int real_result = 1; |
3966 | pointer y = cadr (args); |
4076 | pointer y = cadr (args); |
3967 | |
4077 | |
3968 | if (num_is_integer (x) && num_is_integer (y)) |
4078 | if (is_integer (x) && is_integer (y)) |
3969 | real_result = 0; |
4079 | real_result = 0; |
3970 | |
4080 | |
3971 | /* This 'if' is an R5RS compatibility fix. */ |
4081 | /* This 'if' is an R5RS compatibility fix. */ |
3972 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4082 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3973 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4083 | if (rvalue (x) == 0 && rvalue (y) < 0) |
… | |
… | |
3979 | /* If the test fails, result is too big for integer. */ |
4089 | /* If the test fails, result is too big for integer. */ |
3980 | if (!real_result) |
4090 | if (!real_result) |
3981 | { |
4091 | { |
3982 | long result_as_long = result; |
4092 | long result_as_long = result; |
3983 | |
4093 | |
3984 | if (result != (RVALUE) result_as_long) |
4094 | if (result != result_as_long) |
3985 | real_result = 1; |
4095 | real_result = 1; |
3986 | } |
4096 | } |
3987 | |
4097 | |
3988 | if (real_result) |
4098 | if (real_result) |
3989 | s_return (mk_real (SCHEME_A_ result)); |
4099 | s_return (mk_real (SCHEME_A_ result)); |
… | |
… | |
3994 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4104 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
3995 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4105 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
3996 | |
4106 | |
3997 | case OP_TRUNCATE: |
4107 | case OP_TRUNCATE: |
3998 | { |
4108 | { |
3999 | RVALUE rvalue_of_x; |
4109 | RVALUE n = rvalue (x); |
4000 | |
|
|
4001 | rvalue_of_x = rvalue (x); |
|
|
4002 | |
|
|
4003 | if (rvalue_of_x > 0) |
|
|
4004 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4110 | s_return (mk_real (SCHEME_A_ n > 0 ? floor (n) : ceil (n))); |
4005 | else |
|
|
4006 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
|
|
4007 | } |
4111 | } |
4008 | |
4112 | |
4009 | case OP_ROUND: |
4113 | case OP_ROUND: |
4010 | if (num_is_integer (x)) |
4114 | if (is_integer (x)) |
4011 | s_return (x); |
4115 | s_return (x); |
4012 | |
4116 | |
4013 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4117 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4014 | #endif |
4118 | #endif |
4015 | |
4119 | |
4016 | case OP_ADD: /* + */ |
4120 | case OP_ADD: /* + */ |
4017 | v = num_zero; |
4121 | v = num_zero; |
4018 | |
4122 | |
4019 | for (x = args; x != NIL; x = cdr (x)) |
4123 | for (x = args; x != NIL; x = cdr (x)) |
4020 | v = num_op ('+', v, nvalue (car (x))); |
4124 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4021 | |
4125 | |
4022 | s_return (mk_number (SCHEME_A_ v)); |
4126 | s_return (mk_number (SCHEME_A_ v)); |
4023 | |
4127 | |
4024 | case OP_MUL: /* * */ |
4128 | case OP_MUL: /* * */ |
4025 | v = num_one; |
4129 | v = num_one; |
4026 | |
4130 | |
4027 | for (x = args; x != NIL; x = cdr (x)) |
4131 | for (x = args; x != NIL; x = cdr (x)) |
4028 | v = num_op ('+', v, nvalue (car (x))); |
4132 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4029 | |
4133 | |
4030 | s_return (mk_number (SCHEME_A_ v)); |
4134 | s_return (mk_number (SCHEME_A_ v)); |
4031 | |
4135 | |
4032 | case OP_SUB: /* - */ |
4136 | case OP_SUB: /* - */ |
4033 | if (cdr (args) == NIL) |
4137 | if (cdr (args) == NIL) |
… | |
… | |
4040 | x = cdr (args); |
4144 | x = cdr (args); |
4041 | v = nvalue (car (args)); |
4145 | v = nvalue (car (args)); |
4042 | } |
4146 | } |
4043 | |
4147 | |
4044 | for (; x != NIL; x = cdr (x)) |
4148 | for (; x != NIL; x = cdr (x)) |
4045 | v = num_op ('+', v, nvalue (car (x))); |
4149 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4046 | |
4150 | |
4047 | s_return (mk_number (SCHEME_A_ v)); |
4151 | s_return (mk_number (SCHEME_A_ v)); |
4048 | |
4152 | |
4049 | case OP_DIV: /* / */ |
4153 | case OP_DIV: /* / */ |
4050 | if (cdr (args) == NIL) |
4154 | if (cdr (args) == NIL) |
… | |
… | |
4057 | x = cdr (args); |
4161 | x = cdr (args); |
4058 | v = nvalue (car (args)); |
4162 | v = nvalue (car (args)); |
4059 | } |
4163 | } |
4060 | |
4164 | |
4061 | for (; x != NIL; x = cdr (x)) |
4165 | for (; x != NIL; x = cdr (x)) |
4062 | { |
|
|
4063 | if (!is_zero_rvalue (rvalue (car (x)))) |
4166 | if (!is_zero_rvalue (rvalue (car (x)))) |
4064 | v = num_div (v, nvalue (car (x))); |
4167 | v = num_div (v, nvalue (car (x))); |
4065 | else |
4168 | else |
4066 | Error_0 ("/: division by zero"); |
4169 | Error_0 ("/: division by zero"); |
4067 | } |
|
|
4068 | |
4170 | |
4069 | s_return (mk_number (SCHEME_A_ v)); |
4171 | s_return (mk_number (SCHEME_A_ v)); |
4070 | |
4172 | |
4071 | case OP_INTDIV: /* quotient */ |
4173 | case OP_INTDIV: /* quotient */ |
4072 | if (cdr (args) == NIL) |
4174 | if (cdr (args) == NIL) |
… | |
… | |
4081 | } |
4183 | } |
4082 | |
4184 | |
4083 | for (; x != NIL; x = cdr (x)) |
4185 | for (; x != NIL; x = cdr (x)) |
4084 | { |
4186 | { |
4085 | if (ivalue (car (x)) != 0) |
4187 | if (ivalue (car (x)) != 0) |
4086 | v = num_op ('/', v, nvalue (car (x))); |
4188 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4087 | else |
4189 | else |
4088 | Error_0 ("quotient: division by zero"); |
4190 | Error_0 ("quotient: division by zero"); |
4089 | } |
4191 | } |
4090 | |
4192 | |
4091 | s_return (mk_number (SCHEME_A_ v)); |
4193 | s_return (mk_number (SCHEME_A_ v)); |
… | |
… | |
4108 | else |
4210 | else |
4109 | Error_0 ("modulo: division by zero"); |
4211 | Error_0 ("modulo: division by zero"); |
4110 | |
4212 | |
4111 | s_return (mk_number (SCHEME_A_ v)); |
4213 | s_return (mk_number (SCHEME_A_ v)); |
4112 | |
4214 | |
4113 | case OP_CAR: /* car */ |
4215 | /* the compiler will optimize this mess... */ |
4114 | s_return (caar (args)); |
4216 | case OP_CAR: op_car: s_return (car (x)); |
4115 | |
4217 | case OP_CDR: op_cdr: s_return (cdr (x)); |
4116 | case OP_CDR: /* cdr */ |
4218 | case OP_CAAR: op_caar: x = car (x); goto op_car; |
4117 | s_return (cdar (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; |
4118 | |
4246 | |
4119 | case OP_CONS: /* cons */ |
4247 | case OP_CONS: /* cons */ |
4120 | set_cdr (args, cadr (args)); |
4248 | set_cdr (args, cadr (args)); |
4121 | s_return (args); |
4249 | s_return (args); |
4122 | |
4250 | |
… | |
… | |
4137 | } |
4265 | } |
4138 | else |
4266 | else |
4139 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4267 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4140 | |
4268 | |
4141 | case OP_CHAR2INT: /* char->integer */ |
4269 | case OP_CHAR2INT: /* char->integer */ |
4142 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4270 | s_return (mk_integer (SCHEME_A_ ivalue_unchecked (x))); |
4143 | |
4271 | |
4144 | case OP_INT2CHAR: /* integer->char */ |
4272 | case OP_INT2CHAR: /* integer->char */ |
4145 | s_return (mk_character (SCHEME_A_ ivalue (x))); |
4273 | s_return (mk_character (SCHEME_A_ ivalue_unchecked (x))); |
4146 | |
4274 | |
4147 | case OP_CHARUPCASE: |
4275 | case OP_CHARUPCASE: |
4148 | { |
4276 | { |
4149 | unsigned char c = ivalue (x); |
4277 | unsigned char c = ivalue_unchecked (x); |
4150 | c = toupper (c); |
4278 | c = toupper (c); |
4151 | s_return (mk_character (SCHEME_A_ c)); |
4279 | s_return (mk_character (SCHEME_A_ c)); |
4152 | } |
4280 | } |
4153 | |
4281 | |
4154 | case OP_CHARDNCASE: |
4282 | case OP_CHARDNCASE: |
4155 | { |
4283 | { |
4156 | unsigned char c = ivalue (x); |
4284 | unsigned char c = ivalue_unchecked (x); |
4157 | c = tolower (c); |
4285 | c = tolower (c); |
4158 | s_return (mk_character (SCHEME_A_ c)); |
4286 | s_return (mk_character (SCHEME_A_ c)); |
4159 | } |
4287 | } |
4160 | |
4288 | |
4161 | case OP_STR2SYM: /* string->symbol */ |
4289 | case OP_STR2SYM: /* string->symbol */ |
… | |
… | |
4238 | Error_1 ("atom->string: not an atom:", x); |
4366 | Error_1 ("atom->string: not an atom:", x); |
4239 | } |
4367 | } |
4240 | |
4368 | |
4241 | case OP_MKSTRING: /* make-string */ |
4369 | case OP_MKSTRING: /* make-string */ |
4242 | { |
4370 | { |
4243 | int fill = ' '; |
4371 | int fill = cdr (args) != NIL ? charvalue (cadr (args)) : ' '; |
4244 | int len; |
|
|
4245 | |
|
|
4246 | len = ivalue (x); |
4372 | int len = ivalue_unchecked (x); |
4247 | |
|
|
4248 | if (cdr (args) != NIL) |
|
|
4249 | fill = charvalue (cadr (args)); |
|
|
4250 | |
4373 | |
4251 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4374 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4252 | } |
4375 | } |
4253 | |
4376 | |
4254 | case OP_STRLEN: /* string-length */ |
4377 | case OP_STRLEN: /* string-length */ |
4255 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4378 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4256 | |
4379 | |
4257 | case OP_STRREF: /* string-ref */ |
4380 | case OP_STRREF: /* string-ref */ |
4258 | { |
4381 | { |
4259 | char *str; |
|
|
4260 | int index; |
|
|
4261 | |
|
|
4262 | str = strvalue (x); |
4382 | char *str = strvalue (x); |
4263 | |
|
|
4264 | index = ivalue (cadr (args)); |
4383 | int index = ivalue_unchecked (cadr (args)); |
4265 | |
4384 | |
4266 | if (index >= strlength (x)) |
4385 | if (index >= strlength (x)) |
4267 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4386 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4268 | |
4387 | |
4269 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4388 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4270 | } |
4389 | } |
4271 | |
4390 | |
4272 | case OP_STRSET: /* string-set! */ |
4391 | case OP_STRSET: /* string-set! */ |
4273 | { |
4392 | { |
4274 | char *str; |
4393 | char *str = strvalue (x); |
4275 | int index; |
4394 | int index = ivalue_unchecked (cadr (args)); |
4276 | int c; |
4395 | int c; |
4277 | |
4396 | |
4278 | if (is_immutable (x)) |
4397 | if (is_immutable (x)) |
4279 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4398 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4280 | |
|
|
4281 | str = strvalue (x); |
|
|
4282 | |
|
|
4283 | index = ivalue (cadr (args)); |
|
|
4284 | |
4399 | |
4285 | if (index >= strlength (x)) |
4400 | if (index >= strlength (x)) |
4286 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4401 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4287 | |
4402 | |
4288 | c = charvalue (caddr (args)); |
4403 | c = charvalue (caddr (args)); |
… | |
… | |
4311 | s_return (newstr); |
4426 | s_return (newstr); |
4312 | } |
4427 | } |
4313 | |
4428 | |
4314 | case OP_SUBSTR: /* substring */ |
4429 | case OP_SUBSTR: /* substring */ |
4315 | { |
4430 | { |
4316 | char *str; |
4431 | char *str = strvalue (x); |
4317 | int index0; |
4432 | int index0 = ivalue_unchecked (cadr (args)); |
4318 | int index1; |
4433 | int index1; |
4319 | int len; |
4434 | int len; |
4320 | |
4435 | |
4321 | str = strvalue (x); |
|
|
4322 | |
|
|
4323 | index0 = ivalue (cadr (args)); |
|
|
4324 | |
|
|
4325 | if (index0 > strlength (x)) |
4436 | if (index0 > strlength (x)) |
4326 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4437 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4327 | |
4438 | |
4328 | if (cddr (args) != NIL) |
4439 | if (cddr (args) != NIL) |
4329 | { |
4440 | { |
4330 | index1 = ivalue (caddr (args)); |
4441 | index1 = ivalue_unchecked (caddr (args)); |
4331 | |
4442 | |
4332 | if (index1 > strlength (x) || index1 < index0) |
4443 | if (index1 > strlength (x) || index1 < index0) |
4333 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4444 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4334 | } |
4445 | } |
4335 | else |
4446 | else |
… | |
… | |
4358 | if (SCHEME_V->no_memory) |
4469 | if (SCHEME_V->no_memory) |
4359 | s_return (S_SINK); |
4470 | s_return (S_SINK); |
4360 | #endif |
4471 | #endif |
4361 | |
4472 | |
4362 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4473 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4363 | set_vector_elem (vec, i, car (x)); |
4474 | vector_set (vec, i, car (x)); |
4364 | |
4475 | |
4365 | s_return (vec); |
4476 | s_return (vec); |
4366 | } |
4477 | } |
4367 | |
4478 | |
4368 | case OP_MKVECTOR: /* make-vector */ |
4479 | case OP_MKVECTOR: /* make-vector */ |
4369 | { |
4480 | { |
4370 | pointer fill = NIL; |
4481 | pointer fill = NIL; |
4371 | int len; |
|
|
4372 | pointer vec; |
4482 | pointer vec; |
4373 | |
|
|
4374 | len = ivalue (x); |
4483 | int len = ivalue_unchecked (x); |
4375 | |
4484 | |
4376 | if (cdr (args) != NIL) |
4485 | if (cdr (args) != NIL) |
4377 | fill = cadr (args); |
4486 | fill = cadr (args); |
4378 | |
4487 | |
4379 | vec = mk_vector (SCHEME_A_ len); |
4488 | vec = mk_vector (SCHEME_A_ len); |
… | |
… | |
4382 | if (SCHEME_V->no_memory) |
4491 | if (SCHEME_V->no_memory) |
4383 | s_return (S_SINK); |
4492 | s_return (S_SINK); |
4384 | #endif |
4493 | #endif |
4385 | |
4494 | |
4386 | if (fill != NIL) |
4495 | if (fill != NIL) |
4387 | fill_vector (vec, fill); |
4496 | fill_vector (vec, 0, fill); |
4388 | |
4497 | |
4389 | s_return (vec); |
4498 | s_return (vec); |
4390 | } |
4499 | } |
4391 | |
4500 | |
4392 | case OP_VECLEN: /* vector-length */ |
4501 | case OP_VECLEN: /* vector-length */ |
4393 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4502 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4394 | |
4503 | |
|
|
4504 | case OP_VECRESIZE: |
|
|
4505 | vector_resize (x, ivalue_unchecked (cadr (args)), caddr (args)); |
|
|
4506 | s_return (x); |
|
|
4507 | |
4395 | case OP_VECREF: /* vector-ref */ |
4508 | case OP_VECREF: /* vector-ref */ |
4396 | { |
4509 | { |
4397 | int index; |
|
|
4398 | |
|
|
4399 | index = ivalue (cadr (args)); |
4510 | int index = ivalue_unchecked (cadr (args)); |
4400 | |
4511 | |
4401 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4512 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4402 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4513 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4403 | |
4514 | |
4404 | s_return (vector_elem (x, index)); |
4515 | s_return (vector_get (x, index)); |
4405 | } |
4516 | } |
4406 | |
4517 | |
4407 | case OP_VECSET: /* vector-set! */ |
4518 | case OP_VECSET: /* vector-set! */ |
4408 | { |
4519 | { |
4409 | int index; |
4520 | int index = ivalue_unchecked (cadr (args)); |
4410 | |
4521 | |
4411 | if (is_immutable (x)) |
4522 | if (is_immutable (x)) |
4412 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4523 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4413 | |
4524 | |
4414 | index = ivalue (cadr (args)); |
|
|
4415 | |
|
|
4416 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4525 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4417 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4526 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4418 | |
4527 | |
4419 | set_vector_elem (x, index, caddr (args)); |
4528 | vector_set (x, index, caddr (args)); |
4420 | s_return (x); |
4529 | s_return (x); |
4421 | } |
4530 | } |
4422 | } |
4531 | } |
4423 | |
4532 | |
4424 | abort (); |
4533 | if (USE_ERROR_CHECKING) abort (); |
4425 | } |
|
|
4426 | |
|
|
4427 | INTERFACE int |
|
|
4428 | is_list (SCHEME_P_ pointer a) |
|
|
4429 | { |
|
|
4430 | return list_length (SCHEME_A_ a) >= 0; |
|
|
4431 | } |
|
|
4432 | |
|
|
4433 | /* Result is: |
|
|
4434 | proper list: length |
|
|
4435 | circular list: -1 |
|
|
4436 | not even a pair: -2 |
|
|
4437 | dotted list: -2 minus length before dot |
|
|
4438 | */ |
|
|
4439 | INTERFACE int |
|
|
4440 | list_length (SCHEME_P_ pointer a) |
|
|
4441 | { |
|
|
4442 | int i = 0; |
|
|
4443 | pointer slow, fast; |
|
|
4444 | |
|
|
4445 | slow = fast = a; |
|
|
4446 | |
|
|
4447 | while (1) |
|
|
4448 | { |
|
|
4449 | if (fast == NIL) |
|
|
4450 | return i; |
|
|
4451 | |
|
|
4452 | if (!is_pair (fast)) |
|
|
4453 | return -2 - i; |
|
|
4454 | |
|
|
4455 | fast = cdr (fast); |
|
|
4456 | ++i; |
|
|
4457 | |
|
|
4458 | if (fast == NIL) |
|
|
4459 | return i; |
|
|
4460 | |
|
|
4461 | if (!is_pair (fast)) |
|
|
4462 | return -2 - i; |
|
|
4463 | |
|
|
4464 | ++i; |
|
|
4465 | fast = cdr (fast); |
|
|
4466 | |
|
|
4467 | /* Safe because we would have already returned if `fast' |
|
|
4468 | encountered a non-pair. */ |
|
|
4469 | slow = cdr (slow); |
|
|
4470 | |
|
|
4471 | if (fast == slow) |
|
|
4472 | { |
|
|
4473 | /* the fast pointer has looped back around and caught up |
|
|
4474 | with the slow pointer, hence the structure is circular, |
|
|
4475 | not of finite length, and therefore not a list */ |
|
|
4476 | return -1; |
|
|
4477 | } |
|
|
4478 | } |
|
|
4479 | } |
4534 | } |
4480 | |
4535 | |
4481 | static int |
4536 | static int |
4482 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4537 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4483 | { |
4538 | { |
… | |
… | |
4517 | pointer d = cdr (args); |
4572 | pointer d = cdr (args); |
4518 | int r; |
4573 | int r; |
4519 | |
4574 | |
4520 | switch (op) |
4575 | switch (op) |
4521 | { |
4576 | { |
4522 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4577 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4523 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T; break; |
4578 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T ; break; |
4524 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
4579 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
4525 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
4580 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
4526 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
4581 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
|
|
4582 | case OP_GENSYMP: /* gensym? */ r = is_gensym (SCHEME_A_ a); break; |
4527 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
4583 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
4528 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
4584 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
4529 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4585 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4530 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4586 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4531 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4587 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4532 | |
4588 | |
4533 | #if USE_CHAR_CLASSIFIERS |
4589 | #if USE_CHAR_CLASSIFIERS |
4534 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue (a)); break; |
4590 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue_unchecked (a)); break; |
4535 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue (a)); break; |
4591 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue_unchecked (a)); break; |
4536 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue (a)); break; |
4592 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue_unchecked (a)); break; |
4537 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue (a)); break; |
4593 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue_unchecked (a)); break; |
4538 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue (a)); break; |
4594 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue_unchecked (a)); break; |
4539 | #endif |
4595 | #endif |
4540 | |
4596 | |
4541 | #if USE_PORTS |
4597 | #if USE_PORTS |
4542 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4598 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4543 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4599 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
… | |
… | |
4744 | |
4800 | |
4745 | case OP_NEWSEGMENT: /* new-segment */ |
4801 | case OP_NEWSEGMENT: /* new-segment */ |
4746 | if (!is_pair (args) || !is_number (a)) |
4802 | if (!is_pair (args) || !is_number (a)) |
4747 | Error_0 ("new-segment: argument must be a number"); |
4803 | Error_0 ("new-segment: argument must be a number"); |
4748 | |
4804 | |
4749 | alloc_cellseg (SCHEME_A_ (int)ivalue (a)); |
4805 | alloc_cellseg (SCHEME_A_ ivalue (a)); |
4750 | |
4806 | |
4751 | s_return (S_T); |
4807 | s_return (S_T); |
4752 | |
4808 | |
4753 | case OP_OBLIST: /* oblist */ |
4809 | case OP_OBLIST: /* oblist */ |
4754 | s_return (oblist_all_symbols (SCHEME_A)); |
4810 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4783 | break; |
4839 | break; |
4784 | } |
4840 | } |
4785 | |
4841 | |
4786 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4842 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4787 | |
4843 | |
4788 | if (p == NIL) |
4844 | s_return (p == NIL ? S_F : p); |
4789 | s_return (S_F); |
|
|
4790 | |
|
|
4791 | s_return (p); |
|
|
4792 | } |
4845 | } |
4793 | |
4846 | |
4794 | # if USE_STRING_PORTS |
4847 | # if USE_STRING_PORTS |
4795 | |
4848 | |
4796 | case OP_OPEN_INSTRING: /* open-input-string */ |
4849 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4811 | } |
4864 | } |
4812 | |
4865 | |
4813 | p = port_from_string (SCHEME_A_ strvalue (a), |
4866 | p = port_from_string (SCHEME_A_ strvalue (a), |
4814 | strvalue (a) + strlength (a), prop); |
4867 | strvalue (a) + strlength (a), prop); |
4815 | |
4868 | |
4816 | if (p == NIL) |
4869 | s_return (p == NIL ? S_F : p); |
4817 | s_return (S_F); |
|
|
4818 | |
|
|
4819 | s_return (p); |
|
|
4820 | } |
4870 | } |
4821 | |
4871 | |
4822 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4872 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4823 | { |
4873 | { |
4824 | pointer p; |
4874 | pointer p; |
4825 | |
4875 | |
4826 | if (a == NIL) |
4876 | if (a == NIL) |
4827 | { |
|
|
4828 | p = port_from_scratch (SCHEME_A); |
4877 | p = port_from_scratch (SCHEME_A); |
4829 | |
|
|
4830 | if (p == NIL) |
|
|
4831 | s_return (S_F); |
|
|
4832 | } |
|
|
4833 | else |
4878 | else |
4834 | { |
|
|
4835 | p = port_from_string (SCHEME_A_ strvalue (a), |
4879 | p = port_from_string (SCHEME_A_ strvalue (a), |
4836 | strvalue (a) + strlength (a), port_output); |
4880 | strvalue (a) + strlength (a), port_output); |
4837 | |
4881 | |
4838 | if (p == NIL) |
4882 | s_return (p == NIL ? S_F : p); |
4839 | s_return (S_F); |
|
|
4840 | } |
|
|
4841 | |
|
|
4842 | s_return (p); |
|
|
4843 | } |
4883 | } |
4844 | |
4884 | |
4845 | case OP_GET_OUTSTRING: /* get-output-string */ |
4885 | case OP_GET_OUTSTRING: /* get-output-string */ |
4846 | { |
4886 | { |
4847 | port *p; |
4887 | port *p; |
… | |
… | |
4886 | case OP_CURR_ENV: /* current-environment */ |
4926 | case OP_CURR_ENV: /* current-environment */ |
4887 | s_return (SCHEME_V->envir); |
4927 | s_return (SCHEME_V->envir); |
4888 | |
4928 | |
4889 | } |
4929 | } |
4890 | |
4930 | |
4891 | abort (); |
4931 | if (USE_ERROR_CHECKING) abort (); |
4892 | } |
4932 | } |
4893 | |
4933 | |
4894 | static int |
4934 | static int |
4895 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4935 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4896 | { |
4936 | { |
… | |
… | |
5028 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5068 | s_save (SCHEME_A_ OP_RDUQTSP, NIL, NIL); |
5029 | SCHEME_V->tok = token (SCHEME_A); |
5069 | SCHEME_V->tok = token (SCHEME_A); |
5030 | s_goto (OP_RDSEXPR); |
5070 | s_goto (OP_RDSEXPR); |
5031 | |
5071 | |
5032 | case TOK_ATOM: |
5072 | case TOK_ATOM: |
5033 | 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))); |
5034 | |
5083 | |
5035 | case TOK_DQUOTE: |
5084 | case TOK_DQUOTE: |
5036 | x = readstrexp (SCHEME_A); |
5085 | x = readstrexp (SCHEME_A_ '"'); |
5037 | |
5086 | |
5038 | if (x == S_F) |
5087 | if (x == S_F) |
5039 | Error_0 ("Error reading string"); |
5088 | Error_0 ("Error reading string"); |
5040 | |
5089 | |
5041 | setimmutable (x); |
5090 | setimmutable (x); |
… | |
… | |
5053 | s_goto (OP_EVAL); |
5102 | s_goto (OP_EVAL); |
5054 | } |
5103 | } |
5055 | } |
5104 | } |
5056 | |
5105 | |
5057 | case TOK_SHARP_CONST: |
5106 | case TOK_SHARP_CONST: |
5058 | 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) |
5059 | Error_0 ("undefined sharp expression"); |
5108 | Error_0 ("undefined sharp expression"); |
5060 | else |
5109 | else |
5061 | s_return (x); |
5110 | s_return (x); |
5062 | |
5111 | |
5063 | default: |
5112 | default: |
… | |
… | |
5215 | putstr (SCHEME_A_ ")"); |
5264 | putstr (SCHEME_A_ ")"); |
5216 | s_return (S_T); |
5265 | s_return (S_T); |
5217 | } |
5266 | } |
5218 | else |
5267 | else |
5219 | { |
5268 | { |
5220 | pointer elem = vector_elem (vec, i); |
5269 | pointer elem = vector_get (vec, i); |
5221 | |
5270 | |
5222 | ivalue_unchecked (cdr (args)) = i + 1; |
5271 | ivalue_unchecked (cdr (args)) = i + 1; |
5223 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5272 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5224 | SCHEME_V->args = elem; |
5273 | SCHEME_V->args = elem; |
5225 | |
5274 | |
… | |
… | |
5229 | s_goto (OP_P0LIST); |
5278 | s_goto (OP_P0LIST); |
5230 | } |
5279 | } |
5231 | } |
5280 | } |
5232 | } |
5281 | } |
5233 | |
5282 | |
5234 | abort (); |
5283 | if (USE_ERROR_CHECKING) abort (); |
5235 | } |
5284 | } |
5236 | |
5285 | |
5237 | static int |
5286 | static int |
5238 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5287 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5239 | { |
5288 | { |
… | |
… | |
5285 | |
5334 | |
5286 | case OP_CLOSUREP: /* closure? */ |
5335 | case OP_CLOSUREP: /* closure? */ |
5287 | /* |
5336 | /* |
5288 | * Note, macro object is also a closure. |
5337 | * Note, macro object is also a closure. |
5289 | * Therefore, (closure? <#MACRO>) ==> #t |
5338 | * Therefore, (closure? <#MACRO>) ==> #t |
|
|
5339 | * (schmorp) well, obviously not, fix? TODO |
5290 | */ |
5340 | */ |
5291 | s_retbool (is_closure (a)); |
5341 | s_retbool (is_closure (a)); |
5292 | |
5342 | |
5293 | case OP_MACROP: /* macro? */ |
5343 | case OP_MACROP: /* macro? */ |
5294 | s_retbool (is_macro (a)); |
5344 | s_retbool (is_macro (a)); |
5295 | } |
5345 | } |
5296 | |
5346 | |
5297 | abort (); |
5347 | if (USE_ERROR_CHECKING) abort (); |
5298 | } |
5348 | } |
5299 | |
5349 | |
5300 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5350 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5301 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5351 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5302 | |
5352 | |
5303 | typedef int (*test_predicate)(pointer); |
5353 | typedef int (*test_predicate)(pointer); |
5304 | static int |
5354 | static int |
5305 | is_any (pointer p) |
5355 | tst_any (pointer p) |
5306 | { |
5356 | { |
5307 | return 1; |
5357 | return 1; |
5308 | } |
5358 | } |
5309 | |
5359 | |
5310 | static int |
5360 | static int |
5311 | is_nonneg (pointer p) |
5361 | tst_inonneg (pointer p) |
5312 | { |
5362 | { |
5313 | return ivalue (p) >= 0 && is_integer (p); |
5363 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
5314 | } |
5364 | } |
5315 | |
5365 | |
5316 | static int |
5366 | static int |
5317 | tst_is_list (pointer p) |
5367 | tst_is_list (SCHEME_P_ pointer p) |
5318 | { |
5368 | { |
5319 | return p == NIL || is_pair (p); |
5369 | return p == NIL || is_pair (p); |
5320 | } |
5370 | } |
5321 | |
5371 | |
5322 | /* Correspond carefully with following defines! */ |
5372 | /* Correspond carefully with following defines! */ |
5323 | static struct |
5373 | static struct |
5324 | { |
5374 | { |
5325 | test_predicate fct; |
5375 | test_predicate fct; |
5326 | const char *kind; |
5376 | const char *kind; |
5327 | } tests[] = |
5377 | } tests[] = { |
5328 | { |
|
|
5329 | { is_any, 0 }, |
5378 | { tst_any , 0 }, |
5330 | { is_string, "string" }, |
5379 | { is_string , "string" }, |
5331 | { is_symbol, "symbol" }, |
5380 | { is_symbol , "symbol" }, |
5332 | { is_port, "port" }, |
5381 | { is_port , "port" }, |
5333 | { is_inport, "input port" }, |
5382 | { is_inport , "input port" }, |
5334 | { is_outport, "output port" }, |
5383 | { is_outport , "output port" }, |
5335 | { is_environment, "environment" }, |
5384 | { is_environment, "environment" }, |
5336 | { is_pair, "pair" }, |
5385 | { is_pair , "pair" }, |
5337 | { tst_is_list, "pair or '()" }, |
5386 | { 0 , "pair or '()" }, |
5338 | { is_character, "character" }, |
5387 | { is_character , "character" }, |
5339 | { is_vector, "vector" }, |
5388 | { is_vector , "vector" }, |
5340 | { is_number, "number" }, |
5389 | { is_number , "number" }, |
5341 | { is_integer, "integer" }, |
5390 | { is_integer , "integer" }, |
5342 | { is_nonneg, "non-negative integer" } |
5391 | { tst_inonneg , "non-negative integer" } |
5343 | }; |
5392 | }; |
5344 | |
5393 | |
5345 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5394 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5346 | #define TST_ANY "\001" |
5395 | #define TST_ANY "\001" |
5347 | #define TST_STRING "\002" |
5396 | #define TST_STRING "\002" |
… | |
… | |
5388 | typedef struct |
5437 | typedef struct |
5389 | { |
5438 | { |
5390 | uint8_t func; |
5439 | uint8_t func; |
5391 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
5440 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
5392 | uint8_t builtin; |
5441 | uint8_t builtin; |
|
|
5442 | #if USE_ERROR_CHECKING |
5393 | uint8_t min_arity; |
5443 | uint8_t min_arity; |
5394 | uint8_t max_arity; |
5444 | uint8_t max_arity; |
5395 | char arg_tests_encoding[3]; |
5445 | char arg_tests_encoding[3]; |
|
|
5446 | #endif |
5396 | } op_code_info; |
5447 | } op_code_info; |
5397 | |
5448 | |
5398 | static const op_code_info dispatch_table[] = { |
5449 | static const op_code_info dispatch_table[] = { |
|
|
5450 | #if USE_ERROR_CHECKING |
5399 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
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 |
5400 | #include "opdefines.h" |
5455 | #include "opdefines.h" |
5401 | #undef OP_DEF |
5456 | #undef OP_DEF |
5402 | {0} |
5457 | {0} |
5403 | }; |
5458 | }; |
5404 | |
5459 | |
5405 | /* kernel of this interpreter */ |
5460 | /* kernel of this interpreter */ |
5406 | static void |
5461 | static void ecb_hot |
5407 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5462 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5408 | { |
5463 | { |
5409 | SCHEME_V->op = op; |
5464 | SCHEME_V->op = op; |
5410 | |
5465 | |
5411 | for (;;) |
5466 | for (;;) |
… | |
… | |
5446 | { |
5501 | { |
5447 | pointer arg = car (arglist); |
5502 | pointer arg = car (arglist); |
5448 | |
5503 | |
5449 | j = t[0]; |
5504 | j = t[0]; |
5450 | |
5505 | |
|
|
5506 | /*TODO: tst_is_list has different prototype - fix if other tests acquire same prototype */ |
|
|
5507 | if (j == TST_LIST[0]) |
|
|
5508 | { |
|
|
5509 | if (!tst_is_list (SCHEME_A_ arg)) |
|
|
5510 | break; |
|
|
5511 | } |
|
|
5512 | else |
|
|
5513 | { |
5451 | if (!tests[j - 1].fct (arg)) |
5514 | if (!tests[j - 1].fct (arg)) |
5452 | break; |
5515 | break; |
|
|
5516 | } |
5453 | |
5517 | |
5454 | if (t[1]) /* 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 */ |
5455 | t++; |
5519 | t++; |
5456 | |
5520 | |
5457 | arglist = cdr (arglist); |
5521 | arglist = cdr (arglist); |
5458 | i++; |
5522 | i++; |
5459 | } |
5523 | } |
… | |
… | |
5514 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5578 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5515 | { |
5579 | { |
5516 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5580 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5517 | set_typeflag (y, (T_PROC | T_ATOM)); |
5581 | set_typeflag (y, (T_PROC | T_ATOM)); |
5518 | ivalue_unchecked (y) = op; |
5582 | ivalue_unchecked (y) = op; |
5519 | set_num_integer (y); |
|
|
5520 | return y; |
5583 | return y; |
5521 | } |
5584 | } |
5522 | |
5585 | |
5523 | /* 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! */ |
5524 | static int |
5587 | static int |
5525 | syntaxnum (pointer p) |
5588 | syntaxnum (pointer p) |
5526 | { |
5589 | { |
5527 | const char *s = strvalue (car (p)); |
5590 | const char *s = strvalue (p); |
5528 | |
5591 | |
5529 | switch (strlength (car (p))) |
5592 | switch (strlength (p)) |
5530 | { |
5593 | { |
5531 | case 2: |
5594 | case 2: |
5532 | if (s[0] == 'i') |
5595 | if (s[0] == 'i') |
5533 | return OP_IF0; /* if */ |
5596 | return OP_IF0; /* if */ |
5534 | else |
5597 | else |
… | |
… | |
5589 | return OP_C0STREAM; /* cons-stream */ |
5652 | return OP_C0STREAM; /* cons-stream */ |
5590 | } |
5653 | } |
5591 | } |
5654 | } |
5592 | |
5655 | |
5593 | #if USE_MULTIPLICITY |
5656 | #if USE_MULTIPLICITY |
5594 | scheme * |
5657 | ecb_cold scheme * |
5595 | scheme_init_new () |
5658 | scheme_init_new () |
5596 | { |
5659 | { |
5597 | scheme *sc = malloc (sizeof (scheme)); |
5660 | scheme *sc = malloc (sizeof (scheme)); |
5598 | |
5661 | |
5599 | if (!scheme_init (SCHEME_A)) |
5662 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5604 | else |
5667 | else |
5605 | return sc; |
5668 | return sc; |
5606 | } |
5669 | } |
5607 | #endif |
5670 | #endif |
5608 | |
5671 | |
5609 | int |
5672 | ecb_cold int |
5610 | scheme_init (SCHEME_P) |
5673 | scheme_init (SCHEME_P) |
5611 | { |
5674 | { |
5612 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5675 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5613 | 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)); |
5614 | |
5683 | |
5615 | num_set_fixnum (num_zero, 1); |
5684 | num_set_fixnum (num_zero, 1); |
5616 | num_set_ivalue (num_zero, 0); |
5685 | num_set_ivalue (num_zero, 0); |
5617 | num_set_fixnum (num_one, 1); |
5686 | num_set_fixnum (num_one, 1); |
5618 | num_set_ivalue (num_one, 1); |
5687 | num_set_ivalue (num_one, 1); |
… | |
… | |
5739 | scheme_set_external_data (SCHEME_P_ void *p) |
5808 | scheme_set_external_data (SCHEME_P_ void *p) |
5740 | { |
5809 | { |
5741 | SCHEME_V->ext_data = p; |
5810 | SCHEME_V->ext_data = p; |
5742 | } |
5811 | } |
5743 | |
5812 | |
5744 | void |
5813 | ecb_cold void |
5745 | scheme_deinit (SCHEME_P) |
5814 | scheme_deinit (SCHEME_P) |
5746 | { |
5815 | { |
5747 | int i; |
5816 | int i; |
5748 | |
5817 | |
5749 | #if SHOW_ERROR_LINE |
5818 | #if SHOW_ERROR_LINE |
… | |
… | |
5970 | # endif |
6039 | # endif |
5971 | int fin; |
6040 | int fin; |
5972 | char *file_name = InitFile; |
6041 | char *file_name = InitFile; |
5973 | int retcode; |
6042 | int retcode; |
5974 | int isfile = 1; |
6043 | int isfile = 1; |
|
|
6044 | system ("ps v $PPID");//D |
5975 | |
6045 | |
5976 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
6046 | if (argc == 2 && strcmp (argv[1], "-?") == 0) |
5977 | { |
6047 | { |
5978 | xwrstr ("Usage: tinyscheme -?\n"); |
6048 | xwrstr ("Usage: tinyscheme -?\n"); |
5979 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |
6049 | xwrstr ("or: tinyscheme [<file1> <file2> ...]\n"); |