… | |
… | |
193 | #endif |
193 | #endif |
194 | |
194 | |
195 | enum scheme_types |
195 | enum scheme_types |
196 | { |
196 | { |
197 | T_INTEGER, |
197 | T_INTEGER, |
|
|
198 | T_CHARACTER, |
198 | T_REAL, |
199 | T_REAL, |
199 | T_STRING, |
200 | T_STRING, |
200 | T_SYMBOL, |
201 | T_SYMBOL, |
201 | T_PROC, |
202 | T_PROC, |
202 | T_PAIR, /* also used for free cells */ |
203 | T_PAIR, /* also used for free cells */ |
203 | T_CLOSURE, |
204 | T_CLOSURE, |
|
|
205 | T_MACRO, |
204 | T_CONTINUATION, |
206 | T_CONTINUATION, |
205 | T_FOREIGN, |
207 | T_FOREIGN, |
206 | T_CHARACTER, |
|
|
207 | T_PORT, |
208 | T_PORT, |
208 | T_VECTOR, |
209 | T_VECTOR, |
209 | T_MACRO, |
|
|
210 | T_PROMISE, |
210 | T_PROMISE, |
211 | T_ENVIRONMENT, |
211 | T_ENVIRONMENT, |
212 | /* one more... */ |
212 | /* one more... */ |
213 | T_NUM_SYSTEM_TYPES |
213 | T_NUM_SYSTEM_TYPES |
214 | }; |
214 | }; |
… | |
… | |
1475 | return S_F; |
1475 | return S_F; |
1476 | else if (*name == '\\') /* #\w (character) */ |
1476 | else if (*name == '\\') /* #\w (character) */ |
1477 | { |
1477 | { |
1478 | int c; |
1478 | int c; |
1479 | |
1479 | |
|
|
1480 | // TODO: optimise |
1480 | if (stricmp (name + 1, "space") == 0) |
1481 | if (stricmp (name + 1, "space") == 0) |
1481 | c = ' '; |
1482 | c = ' '; |
1482 | else if (stricmp (name + 1, "newline") == 0) |
1483 | else if (stricmp (name + 1, "newline") == 0) |
1483 | c = '\n'; |
1484 | c = '\n'; |
1484 | else if (stricmp (name + 1, "return") == 0) |
1485 | else if (stricmp (name + 1, "return") == 0) |
1485 | c = '\r'; |
1486 | c = '\r'; |
1486 | else if (stricmp (name + 1, "tab") == 0) |
1487 | else if (stricmp (name + 1, "tab") == 0) |
1487 | c = '\t'; |
1488 | c = '\t'; |
|
|
1489 | else if (stricmp (name + 1, "alarm") == 0) |
|
|
1490 | c = 0x07; |
|
|
1491 | else if (stricmp (name + 1, "backspace") == 0) |
|
|
1492 | c = 0x08; |
|
|
1493 | else if (stricmp (name + 1, "escape") == 0) |
|
|
1494 | c = 0x1b; |
|
|
1495 | else if (stricmp (name + 1, "delete") == 0) |
|
|
1496 | c = 0x7f; |
|
|
1497 | else if (stricmp (name + 1, "null") == 0) |
|
|
1498 | c = 0; |
1488 | else if (name[1] == 'x' && name[2] != 0) |
1499 | else if (name[1] == 'x' && name[2] != 0) |
1489 | { |
1500 | { |
1490 | long c1 = strtol (name + 2, 0, 16); |
1501 | long c1 = strtol (name + 2, 0, 16); |
1491 | |
1502 | |
1492 | if (0 <= c1 && c1 <= UCHAR_MAX) |
1503 | if (0 <= c1 && c1 <= UCHAR_MAX) |
… | |
… | |
2175 | case '7': |
2186 | case '7': |
2176 | state = st_oct1; |
2187 | state = st_oct1; |
2177 | c1 = c - '0'; |
2188 | c1 = c - '0'; |
2178 | break; |
2189 | break; |
2179 | |
2190 | |
|
|
2191 | case 'a': *p++ = '\a'; state = st_ok; break; |
|
|
2192 | case 'n': *p++ = '\n'; state = st_ok; break; |
|
|
2193 | case 'r': *p++ = '\r'; state = st_ok; break; |
|
|
2194 | case 't': *p++ = '\t'; state = st_ok; break; |
|
|
2195 | |
|
|
2196 | //TODO: \whitespace eol whitespace |
|
|
2197 | |
|
|
2198 | //TODO: x should end in ;, not two-digit hex |
2180 | case 'x': |
2199 | case 'x': |
2181 | case 'X': |
2200 | case 'X': |
2182 | state = st_x1; |
2201 | state = st_x1; |
2183 | c1 = 0; |
2202 | c1 = 0; |
2184 | break; |
|
|
2185 | |
|
|
2186 | case 'n': |
|
|
2187 | *p++ = '\n'; |
|
|
2188 | state = st_ok; |
|
|
2189 | break; |
|
|
2190 | |
|
|
2191 | case 't': |
|
|
2192 | *p++ = '\t'; |
|
|
2193 | state = st_ok; |
|
|
2194 | break; |
|
|
2195 | |
|
|
2196 | case 'r': |
|
|
2197 | *p++ = '\r'; |
|
|
2198 | state = st_ok; |
|
|
2199 | break; |
2203 | break; |
2200 | |
2204 | |
2201 | default: |
2205 | default: |
2202 | *p++ = c; |
2206 | *p++ = c; |
2203 | state = st_ok; |
2207 | state = st_ok; |
… | |
… | |
3999 | |
4003 | |
4000 | switch (op) |
4004 | switch (op) |
4001 | { |
4005 | { |
4002 | #if USE_MATH |
4006 | #if USE_MATH |
4003 | case OP_INEX2EX: /* inexact->exact */ |
4007 | case OP_INEX2EX: /* inexact->exact */ |
4004 | { |
|
|
4005 | if (is_integer (x)) |
4008 | if (!is_integer (x)) |
4006 | s_return (x); |
4009 | { |
4007 | |
|
|
4008 | RVALUE r = rvalue_unchecked (x); |
4010 | RVALUE r = rvalue_unchecked (x); |
4009 | |
4011 | |
4010 | if (r == (RVALUE)(IVALUE)r) |
4012 | if (r == (RVALUE)(IVALUE)r) |
4011 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
4013 | x = mk_integer (SCHEME_A_ rvalue_unchecked (x)); |
4012 | else |
4014 | else |
4013 | Error_1 ("inexact->exact: not integral:", x); |
4015 | Error_1 ("inexact->exact: not integral:", x); |
4014 | } |
4016 | } |
4015 | |
4017 | |
|
|
4018 | s_return (x); |
|
|
4019 | |
|
|
4020 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
|
|
4021 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
|
|
4022 | case OP_TRUNCATE: s_return (mk_real (SCHEME_A_ trunc (rvalue (x)))); |
|
|
4023 | case OP_ROUND: s_return (mk_real (SCHEME_A_ nearbyint (rvalue (x)))); |
|
|
4024 | |
|
|
4025 | case OP_SQRT: s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4016 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4026 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4017 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4027 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)) |
|
|
4028 | / (cadr (args) == NIL ? 1 : log (rvalue (cadr (args)))))); |
4018 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4029 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4019 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4030 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4020 | case OP_TAN: s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
4031 | case OP_TAN: s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
4021 | case OP_ASIN: s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
4032 | case OP_ASIN: s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
4022 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4033 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4023 | |
4034 | |
4024 | case OP_ATAN: |
4035 | case OP_ATAN: |
|
|
4036 | s_return (mk_real (SCHEME_A_ |
4025 | if (cdr (args) == NIL) |
4037 | cdr (args) == NIL |
4026 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
4038 | ? atan (rvalue (x)) |
4027 | else |
4039 | : atan2 (rvalue (x), rvalue (cadr (args))))); |
4028 | { |
|
|
4029 | pointer y = cadr (args); |
|
|
4030 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
|
|
4031 | } |
|
|
4032 | |
|
|
4033 | case OP_SQRT: |
|
|
4034 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
|
|
4035 | |
4040 | |
4036 | case OP_EXPT: |
4041 | case OP_EXPT: |
4037 | { |
4042 | { |
4038 | RVALUE result; |
4043 | RVALUE result; |
4039 | int real_result = 1; |
4044 | int real_result = 1; |
… | |
… | |
4062 | if (real_result) |
4067 | if (real_result) |
4063 | s_return (mk_real (SCHEME_A_ result)); |
4068 | s_return (mk_real (SCHEME_A_ result)); |
4064 | else |
4069 | else |
4065 | s_return (mk_integer (SCHEME_A_ result)); |
4070 | s_return (mk_integer (SCHEME_A_ result)); |
4066 | } |
4071 | } |
4067 | |
|
|
4068 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
|
|
4069 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
|
|
4070 | case OP_TRUNCATE: s_return (mk_real (SCHEME_A_ trunc (rvalue (x)))); |
|
|
4071 | case OP_ROUND: s_return (mk_real (SCHEME_A_ nearbyint (rvalue (x)))); |
|
|
4072 | #endif |
4072 | #endif |
4073 | |
4073 | |
4074 | case OP_ADD: /* + */ |
4074 | case OP_ADD: /* + */ |
4075 | v = num_zero; |
4075 | v = num_zero; |
4076 | |
4076 | |
… | |
… | |
4378 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4378 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4379 | |
4379 | |
4380 | s_return (newstr); |
4380 | s_return (newstr); |
4381 | } |
4381 | } |
4382 | |
4382 | |
4383 | case OP_SUBSTR: /* substring */ |
4383 | case OP_STRING_COPY: /* substring/string-copy */ |
4384 | { |
4384 | { |
4385 | char *str = strvalue (x); |
4385 | char *str = strvalue (x); |
4386 | int index0 = ivalue_unchecked (cadr (args)); |
4386 | int index0 = cadr (args) == NIL ? 0 : ivalue_unchecked (cadr (args)); |
4387 | int index1; |
4387 | int index1; |
4388 | int len; |
4388 | int len; |
4389 | |
4389 | |
4390 | if (index0 > strlength (x)) |
4390 | if (index0 > strlength (x)) |
4391 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4391 | Error_1 ("string->copy: start out of bounds:", cadr (args)); |
4392 | |
4392 | |
4393 | if (cddr (args) != NIL) |
4393 | if (cddr (args) != NIL) |
4394 | { |
4394 | { |
4395 | index1 = ivalue_unchecked (caddr (args)); |
4395 | index1 = ivalue_unchecked (caddr (args)); |
4396 | |
4396 | |
4397 | if (index1 > strlength (x) || index1 < index0) |
4397 | if (index1 > strlength (x) || index1 < index0) |
4398 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4398 | Error_1 ("string->copy: end out of bounds:", caddr (args)); |
4399 | } |
4399 | } |
4400 | else |
4400 | else |
4401 | index1 = strlength (x); |
4401 | index1 = strlength (x); |
4402 | |
4402 | |
4403 | len = index1 - index0; |
4403 | len = index1 - index0; |
4404 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4404 | x = mk_counted_string (SCHEME_A_ str + index0, len); |
4405 | memcpy (strvalue (x), str + index0, len); |
|
|
4406 | strvalue (x)[len] = 0; |
|
|
4407 | |
4405 | |
4408 | s_return (x); |
4406 | s_return (x); |
4409 | } |
4407 | } |
4410 | |
4408 | |
4411 | case OP_VECTOR: /* vector */ |
4409 | case OP_VECTOR: /* vector */ |
… | |
… | |
4600 | case OP_SAVE_FORCED: /* Save forced value replacing promise */ |
4598 | case OP_SAVE_FORCED: /* Save forced value replacing promise */ |
4601 | *CELL (SCHEME_V->code) = *CELL (SCHEME_V->value); |
4599 | *CELL (SCHEME_V->code) = *CELL (SCHEME_V->value); |
4602 | s_return (SCHEME_V->value); |
4600 | s_return (SCHEME_V->value); |
4603 | |
4601 | |
4604 | #if USE_PORTS |
4602 | #if USE_PORTS |
|
|
4603 | |
|
|
4604 | case OP_EOF_OBJECT: /* eof-object */ |
|
|
4605 | s_return (S_EOF); |
4605 | |
4606 | |
4606 | case OP_WRITE: /* write */ |
4607 | case OP_WRITE: /* write */ |
4607 | case OP_DISPLAY: /* display */ |
4608 | case OP_DISPLAY: /* display */ |
4608 | case OP_WRITE_CHAR: /* write-char */ |
4609 | case OP_WRITE_CHAR: /* write-char */ |
4609 | if (is_pair (cdr (SCHEME_V->args))) |
4610 | if (is_pair (cdr (SCHEME_V->args))) |