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rcc_stdinc.c
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484 lines (440 loc) · 17.4 KB
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/*
* RCC - Rational C Compiler
* (Standard include files)
* Copyright (C) 2025 Dmitry Stogov <dmitrystogov@gmail.com>
*/
#include <ir.h>
#include <ir_private.h>
#include "rcc.h"
static const char c_boot[] =
"#define __RCC__ 1\n"
"#define __STDC__ 1\n"
"#define __STDC_HOSTED__ 1\n"
"#define __STDC_VERSION__ 201112L\n"
//"#define __STDC_ISO_10646__ 201103L\n"
//"#define __STDC_MB_MIGHT_NEQ_WC__ 1\n"
//"#define __STDC_UTF_16__ 1\n"
//"#define __STDC_UTF_32__ 1\n"
//"#define __STDC_ANALYZABLE__ 1\n"
//"#define __STDC_IEC_559__ 1\n"
//"#define __STDC_IEC_559_COMPLEX__ 1\n"
//"#define __STDC_LIB_EXT1__ 201ymmL\n"
"#define __STDC_NO_ATOMICS__ 1\n"
"#define __STDC_NO_COMPLEX__ 1\n"
"#define __STDC_NO_THREADS__ 1\n"
//"#define __STDC_NO_VLA__ 1\n"
/* allow GCC extensions: __attribute__ */
//"#define __GNUC__ 3\n"
//"#define __GNUC_MINOR__ 2\n"
//"#define __GNUC_PATCHLEVEL__ 0\n"
"#define __USER_LABEL_PREFIX__\n"
#if defined(IR_TARGET_X64)
"#define __LP64__ 1\n"
"#define __x86_64__ 1\n"
"#define __SIZEOF_SHORT__ 2\n"
"#define __SIZEOF_INT__ 4\n"
"#define __SIZEOF_LONG__ 8\n"
"#define __SIZEOF_LONG_LONG__ 8\n"
"#define __SIZEOF_POINTER__ 8\n"
"#define __SIZEOF_PTRDIFF_T__ 8\n"
"#define __SIZEOF_SIZE_T__ 8\n"
"#define __SIZEOF_FLOAT__ 4\n"
"#define __SIZEOF_DOUBLE__ 8\n"
//"#define __SIZEOF_LONG_DOUBLE__ 16\n"
"#define __CHAR_BIT__ 8\n"
"#define __BYTE_ORDER__ 1234\n"
"#define __ORDER_LITTLE_ENDIAN__ 1234\n"
"#define __ORDER_BIG_ENDIAN__ 4321\n"
"#define __SCHAR_MAX__ 0x7f\n"
"#define __SHRT_MAX__ 0x7fff\n"
"#define __INT_MAX__ 0x7fffffff\n"
"#define __LONG_MAX__ 0x7fffffffffffffffL\n"
"#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL\n"
"#define __PTRDIFF_MAX__ 0x7fffffffffffffffL\n"
"#define __FLT_MANT_DIG__ 24\n"
"#define __FLT_DIG__ 6\n"
"#define __FLT_DECIMAL_DIG__ 9\n"
"#define __FLT_MIN_EXP__ (-125)\n"
"#define __FLT_MAX_EXP__ 128\n"
"#define __FLT_MIN_10_EXP__ (-37)\n"
"#define __FLT_MAX_10_EXP__ 38\n"
"#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F\n"
"#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F\n"
"#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F\n"
"#define __DBL_MANT_DIG__ 53\n"
"#define __DBL_DIG__ 15\n"
"#define __DBL_DECIMAL_DIG__ 17\n"
"#define __DBL_MIN_EXP__ (-1021)\n"
"#define __DBL_MAX_EXP__ 1024\n"
"#define __DBL_MIN_10_EXP__ (-307)\n"
"#define __DBL_MAX_10_EXP__ 308\n"
"#define __DBL_MAX__ 1.79769313486231570814527423731704357e+308\n"
"#define __DBL_MIN__ 2.22507385850720138309023271733240406e-308\n"
"#define __DBL_EPSILON__ 2.22044604925031308084726333618164062e-16\n"
"#define __SIZE_TYPE__ unsigned long\n"
"#define __PTRDIFF_TYPE__ long\n"
"#define __UINTPTR_TYPE__ unsigned long\n"
"#define __INTPTR_TYPE__ long\n"
"#define __INT8_TYPE__ signed char\n"
"#define __UINT8_TYPE__ unsigned char\n"
"#define __INT16_TYPE__ short int\n"
"#define __UINT16_TYPE__ unsigned short int\n"
"#define __INT32_TYPE__ int\n"
"#define __UINT32_TYPE__ unsigned int\n"
"#define __INT64_TYPE__ long int\n"
"#define __UINT64_TYPE__ unsigned long int\n"
"#define __INTMAX_TYPE__ long int\n"
"#define __UINTMAX_TYPE__ unsigned long int\n"
#elif defined(IR_TARGET_X86)
"#define __ILP32__ 1\n"
"#define __i386__ 1\n"
"#define __SIZEOF_SHORT__ 2\n"
"#define __SIZEOF_INT__ 4\n"
"#define __SIZEOF_LONG__ 4\n"
"#define __SIZEOF_LONG_LONG__ 8\n"
"#define __SIZEOF_POINTER__ 4\n"
"#define __SIZEOF_PTRDIFF_T__ 4\n"
"#define __SIZEOF_SIZE_T__ 4\n"
"#define __SIZEOF_FLOAT__ 4\n"
"#define __SIZEOF_DOUBLE__ 8\n"
//"#define __SIZEOF_LONG_DOUBLE__ 16\n"
"#define __CHAR_BIT__ 8\n"
"#define __BYTE_ORDER__ 1234\n"
"#define __ORDER_LITTLE_ENDIAN__ 1234\n"
"#define __ORDER_BIG_ENDIAN__ 4321\n"
"#define __SCHAR_MAX__ 0x7f\n"
"#define __SHRT_MAX__ 0x7fff\n"
"#define __INT_MAX__ 0x7fffffff\n"
"#define __LONG_MAX__ 0x7fffffffL\n"
"#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL\n"
"#define __PTRDIFF_MAX__ 0x7ffffffff\n"
"#define __FLT_MANT_DIG__ 24\n"
"#define __FLT_DIG__ 6\n"
"#define __FLT_DECIMAL_DIG__ 9\n"
"#define __FLT_MIN_EXP__ (-125)\n"
"#define __FLT_MAX_EXP__ 128\n"
"#define __FLT_MIN_10_EXP__ (-37)\n"
"#define __FLT_MAX_10_EXP__ 38\n"
"#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F\n"
"#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F\n"
"#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F\n"
"#define __DBL_MANT_DIG__ 53\n"
"#define __DBL_DIG__ 15\n"
"#define __DBL_DECIMAL_DIG__ 17\n"
"#define __DBL_MIN_EXP__ (-1021)\n"
"#define __DBL_MAX_EXP__ 1024\n"
"#define __DBL_MIN_10_EXP__ (-307)\n"
"#define __DBL_MAX_10_EXP__ 308\n"
"#define __DBL_MAX__ 1.79769313486231570814527423731704357e+308\n"
"#define __DBL_MIN__ 2.22507385850720138309023271733240406e-308\n"
"#define __DBL_EPSILON__ 2.22044604925031308084726333618164062e-16\n"
"#define __SIZE_TYPE__ unsigned long\n"
"#define __PTRDIFF_TYPE__ long\n"
"#define __UINTPTR_TYPE__ unsigned long\n"
"#define __INTPTR_TYPE__ long\n"
"#define __INT8_TYPE__ signed char\n"
"#define __UINT8_TYPE__ unsigned char\n"
"#define __INT16_TYPE__ short int\n"
"#define __UINT16_TYPE__ unsigned short int\n"
"#define __INT32_TYPE__ int\n"
"#define __UINT32_TYPE__ unsigned int\n"
"#define __INT64_TYPE__ long long int\n"
"#define __UINT64_TYPE__ unsigned long long int\n"
"#define __INTMAX_TYPE__ long long int\n"
"#define __UINTMAX_TYPE__ unsigned long long int\n"
#elif defined(IR_TARGET_AARCH64)
"#define __LP64__ 1\n"
"#define __aarch64__ 1\n"
"#define __SIZEOF_SHORT__ 2\n"
"#define __SIZEOF_INT__ 4\n"
"#define __SIZEOF_LONG__ 8\n"
"#define __SIZEOF_LONG_LONG__ 8\n"
"#define __SIZEOF_POINTER__ 8\n"
"#define __SIZEOF_PTRDIFF_T__ 8\n"
"#define __SIZEOF_SIZE_T__ 8\n"
"#define __SIZEOF_FLOAT__ 4\n"
"#define __SIZEOF_DOUBLE__ 8\n"
//"#define __SIZEOF_LONG_DOUBLE__ 16\n"
"#define __CHAR_BIT__ 8\n"
"#define __BYTE_ORDER__ 1234\n"
"#define __ORDER_LITTLE_ENDIAN__ 1234\n"
"#define __ORDER_BIG_ENDIAN__ 4321\n"
"#define __SCHAR_MAX__ 0x7f\n"
"#define __SHRT_MAX__ 0x7fff\n"
"#define __INT_MAX__ 0x7fffffff\n"
"#define __LONG_MAX__ 0x7fffffffffffffffL\n"
"#define __LONG_LONG_MAX__ 0x7fffffffffffffffLL\n"
"#define __PTRDIFF_MAX__ 0x7fffffffffffffffL\n"
"#define __FLT_MANT_DIG__ 24\n"
"#define __FLT_DIG__ 6\n"
"#define __FLT_DECIMAL_DIG__ 9\n"
"#define __FLT_MIN_EXP__ (-125)\n"
"#define __FLT_MAX_EXP__ 128\n"
"#define __FLT_MIN_10_EXP__ (-37)\n"
"#define __FLT_MAX_10_EXP__ 38\n"
"#define __FLT_MAX__ 3.40282346638528859811704183484516925e+38F\n"
"#define __FLT_MIN__ 1.17549435082228750796873653722224568e-38F\n"
"#define __FLT_EPSILON__ 1.19209289550781250000000000000000000e-7F\n"
"#define __DBL_MANT_DIG__ 53\n"
"#define __DBL_DIG__ 15\n"
"#define __DBL_DECIMAL_DIG__ 17\n"
"#define __DBL_MIN_EXP__ (-1021)\n"
"#define __DBL_MAX_EXP__ 1024\n"
"#define __DBL_MIN_10_EXP__ (-307)\n"
"#define __DBL_MAX_10_EXP__ 308\n"
"#define __DBL_MAX__ 1.79769313486231570814527423731704357e+308\n"
"#define __DBL_MIN__ 2.22507385850720138309023271733240406e-308\n"
"#define __DBL_EPSILON__ 2.22044604925031308084726333618164062e-16\n"
"#define __SIZE_TYPE__ unsigned long\n"
"#define __PTRDIFF_TYPE__ long\n"
"#define __UINTPTR_TYPE__ unsigned long\n"
"#define __INTPTR_TYPE__ long\n"
"#define __INT8_TYPE__ signed char\n"
"#define __UINT8_TYPE__ unsigned char\n"
"#define __INT16_TYPE__ short int\n"
"#define __UINT16_TYPE__ unsigned short int\n"
"#define __INT32_TYPE__ int\n"
"#define __UINT32_TYPE__ unsigned int\n"
"#define __INT64_TYPE__ long int\n"
"#define __UINT64_TYPE__ unsigned long int\n"
"#define __INTMAX_TYPE__ long int\n"
"#define __UINTMAX_TYPE__ unsigned long int\n"
#endif
"#define __WCHAR_TYPE__ int\n"
"#define __CHAR16_TYPE__ short unsigned int\n"
"#define __CHAR32_TYPE__ unsigned int\n"
"#define __thread _Thread_local\n"
"#define static_assert _Static_assert\n"
"#define __builtin_offsetof(t, f) ((__SIZE_TYPE__)&(((t*)0)->f))\n"
"#define __builtin_isless(x, y) ((x) < (y))\n"
"#define __builtin_islessequal(x, y) ((x) <= (y))\n"
"#define __builtin_isgreater(x, y) ((x) > (y))\n"
"#define __builtin_isgreaterequal(x, y) ((x) >= (y))\n"
"#define __builtin_islessgreater(x, y) (((x) != (y)) && !__builtin_isunordered(x, y))\n"
"\n";
static const char c_builtin[] =
#if defined(__i386__) || defined(__WIN32) || defined(__APPLE__)
"typedef char *__builtin_va_list;\n"
#elif defined(__x86_64__)
"typedef struct {\n"
" unsigned int gp_offset;\n"
" unsigned int fp_offset;\n"
" void *overflow_arg_area;\n"
" void *reg_save_area;\n"
"} __builtin_va_list[1];\n"
#elif defined(__aarch64__)
"typedef struct {\n"
" void *stack;\n"
" void *gr_top;\n"
" void *vr_top;\n"
" int gr_offset;\n"
" int vr_offset;\n"
"} __builtin_va_list[1];\n"
#endif
"int __builtin_memcmp(const void *, const void *, __SIZE_TYPE__) __asm__(\"memcmp\");"
"void *__builtin_memmove(void *, const void *, __SIZE_TYPE__) __asm__(\"memmove\");"
"void __builtin_exit(int) __asm__(\"exit\") __attribute__((noinline))\n;"
"void *__builtin_malloc(__SIZE_TYPE__) __asm__(\"malloc\")\n;"
"void *__builtin_free(void *) __asm__(\"free\")\n;"
"void *__builtin_calloc(__SIZE_TYPE__, __SIZE_TYPE__) __asm__(\"calloc\")\n;"
"void *__builtin_realloc(void *, __SIZE_TYPE__) __asm__(\"realloc\")\n;"
"char *__builtin_strcat(char *, const char *) __asm__(\"strcat\");\n"
"char *__builtin_strchr(const char *, int) __asm__(\"strchr\");\n"
"int __builtin_strcmp(const char *, const char *) __asm__(\"strcmp\");\n"
"char *__builtin_strcpy(char *, const char *) __asm__(\"strcpy\");\n"
"char *__builtin_strdup(const char *) __asm__(\"strdup\");\n"
"__SIZE_TYPE__ __builtin_strlen(const char *) __asm__(\"strlen\");\n"
"char *__builtin_strncat(char *, const char *, __SIZE_TYPE__) __asm__(\"strncat\");\n"
"int __builtin_strncmp(const char *, const char *, __SIZE_TYPE__) __asm__(\"strncmp\");\n"
"char *__builtin_strncpy(char *, const char *, __SIZE_TYPE__) __asm__(\"strncpy\");\n"
"char *__builtin_strndup(const char *, __SIZE_TYPE__) __asm__(\"strndup\");\n"
"char *__builtin_strrchr(const char *, int) __asm__(\"strchr\");\n"
"int __builtin_printf(const char *, ...) __asm__(\"printf\");\n"
"int __builtin_snprintf(char *, __SIZE_TYPE__, const char *, ...) __asm__(\"snprintf\");\n"
"int __builtin_sprintf(char *, const char *, ...) __asm__(\"sprintf\");\n"
"int __builtin_puts(const char *) __asm__(\"puts\");\n"
"\n";
static const char c_stdarg_h[] =
"#ifndef __STDARG_H\n"
"#define __STDARG_H\n"
"\n"
"#ifndef __GNUC_VA_LIST\n"
"#define __GNUC_VA_LIST 1\n"
"typedef __builtin_va_list __gnuc_va_list;\n"
"#endif\n"
"\n"
"#ifndef _VA_LIST_DEFINED\n"
"#define _VA_LIST_DEFINED\n"
"typedef __gnuc_va_list va_list;\n"
"#endif\n"
"\n"
"#define va_start __builtin_va_start\n"
"#define va_arg __builtin_va_arg\n"
"#define va_end(ap) (void)(ap)\n"
#if defined(__i386__) || defined(__WIN32) || defined(__APPLE__)
"#define va_copy(dest, src) ((dest) = (src))\n"
#else
"#define va_copy(dest, src) ((dest)[0] = (src)[0])\n"
#endif
"\n"
"#endif\n";
static const char c_stddef_h[] =
"#ifndef __STDDEF_H\n"
"#define __STDDEF_H\n"
"\n"
"typedef __PTRDIFF_TYPE__ ptrdiff_t;\n"
"typedef __SIZE_TYPE__ size_t;\n"
"typedef long double max_align_t;\n"
"typedef int wchar_t;\n"
"\n"
"#define NULL ((void *) 0)\n"
"\n"
"#define offsetof(type, member_designator) ((size_t) & ((type *) 0)->member_designator)\n"
"\n"
"#endif\n";
static const char c_stdbool_h[] =
"#ifndef _STDBOOL_H\n"
"#define _STDBOOL_H\n"
"\n"
"#define bool _Bool\n"
"#define true 1\n"
"#define false 0\n"
"#define __bool_true_false_are_defined 1\n"
"\n"
"#endif\n";
static const char c_float_h[] =
"#ifndef __FLOAT_H\n"
"#define __FLOAT_H\n"
"\n"
"#define FLT_RADIX 2\n"
"\n"
"#define FLT_MANT_DIG 24\n"
"#define FLT_DIG 6\n"
"#define FLT_DECIMAL_DIG 9\n"
"#define FLT_EPSILON 0x1p-23\n"
"#define FLT_MIN_EXP (-125)\n"
"#define FLT_MAX_EXP 128\n"
"#define FLT_MIN_10_EXP (-37)\n"
"#define FLT_MAX_10_EXP 38\n"
"#define FLT_MIN 0x1p-126\n"
"#define FLT_MAX 0x1.fffffep+127\n"
"#define FLT_TRUE_MIN 0x1p-149\n"
"\n"
"#define DBL_MANT_DIG 53\n"
"#define DBL_DIG 15\n"
"#define DBL_DECIMAL_DIG 17\n"
"#define DBL_EPSILON 0x1p-52\n"
"#define DBL_MIN_EXP (-1021)\n"
"#define DBL_MAX_EXP 1024\n"
"#define DBL_MIN_10_EXP (-307)\n"
"#define DBL_MAX_10_EXP 308\n"
"#define DBL_MIN 0x1p-1022\n"
"#define DBL_MAX 0x1.fffffffffffffp+1023\n"
"#define DBL_TRUE_MIN 0x0.0000000000001p-1022\n"
"\n"
"#define LDBL_MANT_DIG DBL_MANT_DIG\n"
"#define LDBL_DIG DBL_DIG\n"
"#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG\n"
"#define LDBL_EPSILON DBL_EPSILON\n"
"#define LDBL_MIN_EXP DBL_MIN_EXP\n"
"#define LDBL_MAX_EXP DBL_MAX_EXP\n"
"#define LDBL_MIN_10_EXP DBL_MIN_10_EXP\n"
"#define LDBL_MAX_10_EXP DBL_MAX_10_EXP\n"
"#define LDBL_MIN DBL_MIN\n"
"#define LDBL_MAX DBL_MAX\n"
"#define LDBL_TRUE_MIN DBL_TRUE_MIN\n"
"\n"
"#define FLT_EVAL_METHOD 0\n"
"#define FLT_ROUNDS 1 /* round to the nearest */\n"
"\n"
"#endif /* #ifndef __FLOAT_H */\n";
static const char c_alloca_h[] =
"#define alloca(size) __builtin_alloca(size)\n";
static const char c_limits_h[] =
"#ifndef _RCC_LIMITS_H\n"
"#define _RCC_LINITS_H\n"
"\n"
"#define CHAR_BIT 8\n"
"#define SCHAR_MIN (-128)\n"
"#define SCHAR_MAX 127\n"
"#define UCHAR_MAX 255\n"
#if defined(IR_TARGET_X64) || defined(IR_TARGET_X86)
"#define CHAR_MIN (-128)\n"
"#define CHAR_MAX 127\n"
#else
"#define CHAR_MIN 0\n"
"#define CHAR_MAX 255\n"
#endif
"#define MB_LEN_MAX 16\n"
"#define SHRT_MIN (-32768)\n"
"#define SHRT_MAX 32767\n"
"#define USHRT_MAX 65535\n"
"#define INT_MIN (-INT_MAX-1)\n"
"#define INT_MAX 2147483647\n"
"#define UINT_MAX 4294967295U\n"
#if defined(IR_TARGET_X64) || defined(IR_TARGET_AARCH64)
"#define LONG_MIN (-LONG_MAX-1L)\n"
"#define LONG_MAX 9223372036854775807L\n"
"#define ULONG_MAX 18446744073709551615UL\n"
#else
"#define LONG_MIN (-LONG_MAX-1)\n"
"#define LONG_MAX 2147483647\n"
"#define ULONG_MAX 4294967295U\n"
#endif
"#define LLONG_MIN (-LLONG_MAX-1LL)\n"
"#define LLONG_MAX 9223372036854775807LL\n"
"#define ULLONG_MAX 18446744073709551615ULL\n"
"\n"
"#endif /* #ifndef _RCC_LIMITS_H */\n";
#define STDINC_COUNT 6
void c_stdinc_init(rcc_ctx *rcc)
{
yy_sym sym;
IR_ASSERT(STDINC_COUNT < STDINC_SIZE);
rcc->c_stdinc[0].name = yy_hash_lookup(rcc, "stdarg.h", sizeof("stdarg.h") - 1);
rcc->c_stdinc[0].content = c_stdarg_h;
rcc->c_stdinc[0].content_len = sizeof(c_stdarg_h) - 1;
rcc->c_stdinc[1].name = yy_hash_lookup(rcc, "stddef.h", sizeof("stddef.h") - 1);
rcc->c_stdinc[1].content = c_stddef_h;
rcc->c_stdinc[1].content_len = sizeof(c_stddef_h) - 1;
rcc->c_stdinc[2].name = yy_hash_lookup(rcc, "stdbool.h", sizeof("stdbool.h") - 1);
rcc->c_stdinc[2].content = c_stdbool_h;
rcc->c_stdinc[2].content_len = sizeof(c_stdbool_h) - 1;
rcc->c_stdinc[3].name = yy_hash_lookup(rcc, "float.h", sizeof("float.h") - 1);
rcc->c_stdinc[3].content = c_float_h;
rcc->c_stdinc[3].content_len = sizeof(c_float_h) - 1;
rcc->c_stdinc[4].name = yy_hash_lookup(rcc, "alloca.h", sizeof("alloca.h") - 1);
rcc->c_stdinc[4].content = c_alloca_h;
rcc->c_stdinc[4].content_len = sizeof(c_alloca_h) - 1;
rcc->c_stdinc[5].name = yy_hash_lookup(rcc, "limits.h", sizeof("limits.h") - 1);
rcc->c_stdinc[5].content = c_limits_h;
rcc->c_stdinc[5].content_len = sizeof(c_limits_h) - 1;
rcc->yy_file_name = yy_hash_lookup(rcc, "builtin", sizeof("builtin") - 1);
rcc->yy_pos = rcc->yy_text = rcc->yy_linepos = rcc->yy_buf = c_boot;
rcc->yy_len = 0;
rcc->yy_line = 1;
rcc->yy_end = rcc->yy_buf + sizeof(c_boot) - 1;
do {
sym = yy_next(rcc);
} while (sym != YY_EOF);
}
void c_stdinc_builtin(rcc_ctx *rcc)
{
rcc->yy_file_name = yy_hash_lookup(rcc, "builtin", sizeof("builtin") - 1);
rcc->yy_pos = rcc->yy_text = rcc->yy_linepos = rcc->yy_buf = c_builtin;
rcc->yy_len = 0;
rcc->yy_line = 1;
rcc->yy_end = rcc->yy_buf + sizeof(c_builtin) - 1;
rcc_parse(rcc);
}
const char *c_stdinc_find(rcc_ctx *rcc, yy_sym name, size_t *len)
{
int i;
for (i = 0; i < STDINC_COUNT; i++) {
if (rcc->c_stdinc[i].name == name) {
*len = rcc->c_stdinc[i].content_len;
return rcc->c_stdinc[i].content;
}
}
return NULL;
}