diff --git a/out.txt b/out.txt new file mode 100644 index 0000000..2016b87 --- /dev/null +++ b/out.txt @@ -0,0 +1,4 @@ +cache exists and is valid, so will be used. 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00 +Execution time taken: 1.642688 seconds +total time taken: 1.642688 seconds diff --git a/src/arobject.h b/src/arobject.h index 8974eb4..3083221 100644 --- a/src/arobject.h +++ b/src/arobject.h @@ -73,7 +73,7 @@ struct ArgonObject { ArgonType child_type; struct hashmap_GC *dict; union { - mpq_t as_number; + mpq_t *as_number; bool as_bool; struct string_struct as_str; native_fn native_fn; diff --git a/src/lexer/lex.l b/src/lexer/lex.l index 25a1173..5c1c944 100644 --- a/src/lexer/lex.l +++ b/src/lexer/lex.l @@ -97,7 +97,7 @@ int yywrap(void * unused_param) { return TOKEN_STRING; } -((([0-9]+(\.[0-9]+)?)|(\.[0-9]+))(e((\-|\+)?([0-9]+(\.[0-9]+)?)))?) { +((([0-9]+(\.[0-9]+)?)|(\.[0-9]+))(e((\-|\+)?([0-9]+)))?) { return TOKEN_NUMBER; } @@ -113,7 +113,7 @@ int yywrap(void * unused_param) { #[^\n]* { /* skip comment */ } -. { +.|((([0-9]+(\.[0-9]+)?)|(\.[0-9]+))(e((\-|\+)?([0-9]+(\.[0-9]+)?)))?) { return TOKEN_INVALID; } %% \ No newline at end of file diff --git a/src/memory.c b/src/memory.c index baecd61..87edca0 100644 --- a/src/memory.c +++ b/src/memory.c @@ -33,7 +33,6 @@ void gmp_gc_free(void *ptr, size_t size) { void ar_memory_init() { GC_INIT(); - mp_set_memory_functions(GC_malloc, gmp_gc_realloc, gmp_gc_free); } void *ar_alloc(size_t size) { return GC_MALLOC(size); } diff --git a/src/parser/number/number.c b/src/parser/number/number.c index 8f834f5..3c362d4 100644 --- a/src/parser/number/number.c +++ b/src/parser/number/number.c @@ -7,6 +7,7 @@ #include "number.h" #include "../../memory.h" #include +#include #include #include #include @@ -102,6 +103,11 @@ int mpq_set_decimal_str_exp(mpq_t r, const char *str) { free(buf); return -1; } + + if (endptr-exp_str>11) { + free(buf); + return -1; + } if (exp_negative) exp_val = -exp_val; } @@ -145,18 +151,13 @@ int mpq_set_decimal_str_exp(mpq_t r, const char *str) { if (denom_exp >= 0) { mpz_ui_pow_ui(denominator, 10, (unsigned long)denom_exp); } else { - // denom_exp < 0 means multiply numerator by 10^(-denom_exp) - mpz_ui_pow_ui(denominator, 10, 0); - mpz_ui_pow_ui(numerator, 10, (unsigned long)(-denom_exp)); - } + mpz_set_ui(denominator, 1); - if (denom_exp < 0) { mpz_t temp; mpz_init(temp); mpz_ui_pow_ui(temp, 10, (unsigned long)(-denom_exp)); mpz_mul(numerator, numerator, temp); mpz_clear(temp); - mpz_set_ui(denominator, 1); } mpq_set_num(r, numerator); @@ -172,7 +173,7 @@ int mpq_set_decimal_str_exp(mpq_t r, const char *str) { return 0; } -ParsedValueReturn parse_number(Token *token, char*path) { +ParsedValueReturn parse_number(Token *token, char *path) { ParsedValue *parsedValue = checked_malloc(sizeof(ParsedValue)); parsedValue->type = AST_NUMBER; mpq_t r; @@ -180,12 +181,14 @@ ParsedValueReturn parse_number(Token *token, char*path) { int err = mpq_set_decimal_str_exp(r, token->value); if (err) { free(parsedValue); - return (ParsedValueReturn){ - create_err(token->length, token->column, token->length, path, "Parsing Error", "Unable to parse number"), - NULL - }; + mpq_clear(r); + return (ParsedValueReturn){create_err(token->line, token->column, + token->length, path, "Parsing Error", + "Unable to parse number"), + NULL}; } char *s = mpq_get_str(NULL, 62, r); - parsedValue->data = strdup(s); + mpq_clear(r); + parsedValue->data = s; return (ParsedValueReturn){no_err, parsedValue}; } \ No newline at end of file diff --git a/src/runtime/objects/number/number.c b/src/runtime/objects/number/number.c index 01495ca..82ea030 100644 --- a/src/runtime/objects/number/number.c +++ b/src/runtime/objects/number/number.c @@ -5,39 +5,214 @@ */ #include "number.h" +#include "../functions/functions.h" #include "../string/string.h" +#include #include #include -#include "../functions/functions.h" +#include ArgonObject *ARGON_NUMBER_TYPE; +#include +#include +#include +#include +#include + +/* change SIGNIFICANT_DIGITS to taste (15 mimics double-ish behaviour) */ +#define SIGNIFICANT_DIGITS 15 + ArgonObject *ARGON_NUMBER_TYPE___string__(size_t argc, ArgonObject **argv, ArErr *err, RuntimeState *state) { (void)state; if (argc != 1) { *err = create_err(0, 0, 0, "", "Runtime Error", "__string__ expects 1 arguments, got %" PRIu64, argc); + return NULL; } - double val = mpq_get_d(argv[0]->value.as_number); - char buffer[64]; - snprintf(buffer, sizeof(buffer), "%.15g", val); - return new_string_object_null_terminated(buffer); + + mpq_t *num = argv[0]->value.as_number; + + /* If denominator == 1, print numerator as full integer */ + if (mpz_cmp_ui(mpq_denref(*num), 1) == 0) { + char *num_str = mpz_get_str(NULL, 10, mpq_numref(*num)); /* malloc'd by GMP */ + ArgonObject *result = new_string_object_null_terminated(num_str); + free(num_str); + return result; + } + + /* Not an integer: use mpf to format with SIGNIFICANT_DIGITS precision */ + mpf_t f; + mpf_init(f); + mpf_set_q(f, *num); /* set mpf from mpq */ + + mp_exp_t exp; /* exponent returned by mpf_get_str */ + /* Request SIGNIFICANT_DIGITS significant digits. If you want "max accurate", pass 0. */ + char *mant = mpf_get_str(NULL, &exp, 10, SIGNIFICANT_DIGITS, f); + /* For zero, mpf_get_str returns an empty string and exp == 0 per GMP docs. */ + if (mant == NULL) { + mpf_clear(f); + return new_string_object_null_terminated("0"); + } + + /* handle zero specially */ + if (mant[0] == '\0' || (mant[0] == '0' && mant[1] == '\0')) { + free(mant); + mpf_clear(f); + return new_string_object_null_terminated("0"); + } + + /* mant may include a leading '-' according to some docs; detect sign */ + int negative = 0; + char *digits = mant; + if (mant[0] == '-') { + negative = 1; + digits = mant + 1; + } + + size_t L = strlen(digits); /* number of digit characters returned */ + /* mpf_get_str represents value as 0.digits * 10^exp (i.e. assumed decimal point after the leading zero) */ + /* For scientific-format exponent (1.d..eE) we use scientific_exponent = exp - 1 */ + long scientific_exp = (long)exp - 1L; + + /* Decide whether to use fixed or scientific, mimic C's %g rule: + use scientific if exponent < -4 or exponent >= SIGNIFICANT_DIGITS */ + int use_scientific = (scientific_exp < -4) || (scientific_exp >= SIGNIFICANT_DIGITS); + + /* Build output into dynamic buffer */ + /* Worst-case: sign + 1 digit + '.' + (SIGNIFICANT_DIGITS-1) digits + 'e' + sign + exponent digits + NUL */ + size_t buf_size = (size_t) (negative ? 1 : 0) + 1 + 1 + (SIGNIFICANT_DIGITS - 1) + 1 + 1 + 32 + 1; + /* For fixed form we may need more if exp > L (we append zeros). Allocate a bit extra. */ + if (!use_scientific) { + /* maximum integer digits = max(exp, L) but exp could be large; be conservative */ + buf_size += (size_t) ((exp > (mp_exp_t)L) ? (size_t)exp : L) + 16; + } + char *out = malloc(buf_size); + if (!out) { + free(mant); + mpf_clear(f); + *err = create_err(0, 0, 0, "", "Runtime Error", "out of memory"); + return NULL; + } + + char *p = out; + if (negative) { + *p++ = '-'; + } + + if (use_scientific) { + /* scientific: d.dddddeE where d = digits[0], fractional = digits[1..L-1] */ + *p++ = digits[0]; + if (L > 1) { + *p++ = '.'; + memcpy(p, digits + 1, L - 1); + p += L - 1; + } + /* append exponent */ + int written = snprintf(p, buf_size - (p - out), "e%+ld", scientific_exp); + if (written < 0) written = 0; + p += written; + } else { + /* fixed form: move decimal point right by 'exp' places in 0.digits * 10^exp */ + /* integer part length = exp (may be <=0 meaning 0) */ + long int_len = (long)exp; + if (int_len <= 0) { + /* 0.xxx... form */ + *p++ = '0'; + *p++ = '.'; + /* need (-int_len) leading zeros after decimal */ + for (long i = 0; i < -int_len; ++i) *p++ = '0'; + /* then digits */ + memcpy(p, digits, L); + p += L; + } else { + /* integer part uses first int_len digits of digits (if available), else digits plus zeros */ + if ((size_t)int_len <= L) { + /* put first int_len digits as integer part */ + memcpy(p, digits, (size_t)int_len); + p += int_len; + /* fractional part exists if L > int_len */ + if (L > (size_t)int_len) { + *p++ = '.'; + memcpy(p, digits + int_len, L - int_len); + p += L - int_len; + } + } else { + /* digits provide only part of integer, append zeros */ + memcpy(p, digits, L); + p += L; + for (long i = 0; i < int_len - (long)L; ++i) *p++ = '0'; + /* no fractional part */ + } + } + } + + *p = '\0'; + + /* Clean up */ + free(mant); + mpf_clear(f); + + ArgonObject *result = new_string_object_null_terminated(out); + free(out); + return result; } void create_ARGON_NUMBER_TYPE() { ARGON_NUMBER_TYPE = new_object(); add_field(ARGON_NUMBER_TYPE, "__name__", new_string_object_null_terminated("number")); - add_field(ARGON_NUMBER_TYPE, "__string__", - create_argon_native_function("__string__", ARGON_NUMBER_TYPE___string__)); + add_field( + ARGON_NUMBER_TYPE, "__string__", + create_argon_native_function("__string__", ARGON_NUMBER_TYPE___string__)); +} + +void mpz_init_gc_managed(mpz_t z, size_t limbs_count) { + z->_mp_alloc = limbs_count; + z->_mp_size = 0; + z->_mp_d = GC_MALLOC(limbs_count * sizeof(mp_limb_t)); +} + +void mpq_init_gc_managed(mpq_t q, size_t num_limbs, size_t den_limbs) { + mpz_init_gc_managed(mpq_numref(q), num_limbs); + mpz_init_gc_managed(mpq_denref(q), den_limbs); + mpq_set_ui(q, 0, 1); // initialize denominator to 1 +} + +void mpq_copy_to_gc(mpq_t dest, const mpq_t src) { + size_t num_limbs = (size_t)abs(mpq_numref(src)->_mp_size); + size_t den_limbs = (size_t)abs(mpq_denref(src)->_mp_size); + + dest->_mp_num._mp_size = mpq_numref(src)->_mp_size; + memcpy(dest->_mp_num._mp_d, mpq_numref(src)->_mp_d, + num_limbs * sizeof(mp_limb_t)); + + dest->_mp_den._mp_size = mpq_denref(src)->_mp_size; + memcpy(dest->_mp_den._mp_d, mpq_denref(src)->_mp_d, + den_limbs * sizeof(mp_limb_t)); +} + +mpq_t *mpq_new_gc_from(const mpq_t src) { + mpq_t *dest = GC_MALLOC(sizeof(mpq_t)); + + size_t num_limbs = (size_t)mpq_numref(src)->_mp_alloc; + size_t den_limbs = (size_t)mpq_denref(src)->_mp_alloc; + + mpq_init_gc_managed(*dest, num_limbs, den_limbs); + mpq_copy_to_gc(*dest, src); + + return dest; } ArgonObject *new_number_object(char *data) { ArgonObject *object = new_object(); add_field(object, "__class__", ARGON_NUMBER_TYPE); object->type = TYPE_NUMBER; - mpq_init(object->value.as_number); - mpq_set_str(object->value.as_number, data, 62); + mpq_t z; + mpq_init(z); + mpq_set_str(z, data, 62); + object->value.as_number = mpq_new_gc_from(z); + mpq_clear(z); return object; } \ No newline at end of file diff --git a/testing.ar b/testing.ar index e69de29..ce1716b 100644 --- a/testing.ar +++ b/testing.ar @@ -0,0 +1,2 @@ +let x = 1e1000000000 +term.log(x) \ No newline at end of file