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/*
Copyright (C) 2019, 2020 Leo Tenenbaum.
This file is part of toc. toc is distributed under version 3 of the GNU General Public License, without any warranty whatsoever.
You should have received a copy of the GNU General Public License along with toc. If not, see <https://www.gnu.org/licenses/>.
*/
// Includes all of toc's files
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include <float.h>
#include <inttypes.h>
#include <errno.h>
#ifndef COMPILE_TIME_FOREIGN_FN_SUPPORT
#define COMPILE_TIME_FOREIGN_FN_SUPPORT 1
#endif
#ifdef __cplusplus
#define new new_
#define this this_
#define export export_
#elif __STDC_VERSION__ < 199901
#ifndef inline
#define inline
#endif
#endif
#ifndef NO_ALLOCA
#ifdef __GNUC__
#define toc_alloca(size) __builtin_alloca(size)
#define ALLOCA_AVAILABLE 1
#elif defined _MSC_VER
#include <malloc.h>
#define toc_alloca _malloca
#define ALLOCA_AVAILABLE 1
#endif
#endif
// use toc_alignof only for non-structs. it may be incorrect for pre-C(++)11.
#if (__STDC_VERSION__ >= 201112 || __cplusplus >= 201103L) && !defined __TINYC__ && !defined __OpenBSD__ && !defined __FreeBSD__
#include <stdalign.h>
#define toc_alignof alignof
#ifdef __GNUC__
// GCC supports non-string literals as the message for a static assertion
#define possibly_static_assert(cond) static_assert(cond, "Assertion " #cond " failed.")
#else
#define possibly_static_assert(cond) static_assert(cond, "Assertion failed")
#endif
#else // __STDC_VERSION >= 201112 ...
#define toc_alignof sizeof
#define possibly_static_assert(cond) assert(cond)
#endif // __STDC_VERSION >= 201112 ...
// this is to prevent erroneous warnings from GCC (v. 8.3.0) with -O3
#if !defined(__clang__) && defined(__GNUC__)
#define gcc_no_bounds_warnings_start _Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wstringop-overflow\"") \
_Pragma("GCC diagnostic ignored \"-Wrestrict\"") \
_Pragma("GCC diagnostic ignored \"-Warray-bounds\"")
#define gcc_no_bounds_warnings_end _Pragma("GCC diagnostic pop")
#else
#define gcc_no_bounds_warnings_start
#define gcc_no_bounds_warnings_end
#endif
#include "types.h"
// forward declarations for debugging
static void print_val(Value v, Type *t);
static void print_token(Token *t);
static void print_type(Type *t);
static void print_block(Block *b);
static void print_decl(Declaration *d);
static void print_stmt(Statement *s);
static void print_block_location(Block *b);
// misc
#define join3(a,b) a##b
#define join2(a,b) join3(a,b)
#define join(a,b) join2(a,b)
#define stringify3(x) #x
#define stringify2(x) stringify3(x)
#define stringify(x) stringify2(x)
#ifdef __linux__ // see also cgen_file
#define platform__ PLATFORM_LINUX
#elif defined _WIN32
#define platform__ PLATFORM_WINDOWS
#elif defined __APPLE__
#define platform__ PLATFORM_OSX
#elif defined __FreeBSD__
#define platform__ PLATFORM_FREEBSD
#elif defined __OpenBSD__
#define platform__ PLATFORM_OPENBSD
#elif defined __unix__
#define platform__ PLATFORM_MISC_UNIX
#else
#define platform__ PLATFORM_OTHER
#endif
static void fprint_char_literal(FILE *f, char c) {
if (isprint(c))
fprintf(f, "'%c'", c);
else
fprintf(f, "'\\x%02x'", c);
}
static inline bool type_is_builtin(Type *t, BuiltinType b) {
return t->kind == TYPE_BUILTIN && t->builtin == b;
}
static inline bool type_is_void(Type *t) {
return t->kind == TYPE_BUILTIN && t->builtin == BUILTIN_VOID;
}
static inline bool type_is_slicechar(Type *t) {
return t->kind == TYPE_SLICE && type_is_builtin(t->slice, BUILTIN_CHAR);
}
//#define MALLOC_TRACKER
static void *err_malloc_(size_t size
#ifdef MALLOC_TRACKER
, int line, const char *file
#endif
);
static void *err_calloc_(size_t n, size_t sz
#ifdef MALLOC_TRACKER
, int line, const char *file
#endif
);
static void *err_realloc(void *prev, size_t new_size);
#ifdef MALLOC_TRACKER
#define err_malloc(size) err_malloc_(size, __LINE__, __FILE__)
#define err_calloc(n, size) err_calloc_(n, size, __LINE__, __FILE__)
#else
#define err_malloc err_malloc_
#define err_calloc err_calloc_
#endif
// utilities
#include "allocator.c"
#include "misc.c"
#include "data_structures.c"
#include "err.c"
static size_t compiler_alignof(Type *t);
static size_t compiler_sizeof(Type *t);
#include "instance_table.c"
// returns NULL on error
static char *read_file_contents(Allocator *a, const char *filename, Location where) {
FILE *in = fopen(filename, "r");
if (!in) {
err_print(where, "Could not open file: %s.", filename);
return NULL;
}
char *contents = allocr_malloc(a, 4096);
contents[0] = 0; // put 0 byte at the start of the file. see err.c:err_print_location_text to find out why
contents[1] = 0; // if fgets fails the first time
long contents_cap = 4095;
long contents_len = 1;
while (fgets(contents + contents_len, (int)(contents_cap - contents_len), in)) {
contents_len += (long)strlen(contents + contents_len);
if (contents_len >= (long)contents_cap - 1024) {
size_t prev = (size_t)contents_cap + 1;
contents_cap *= 2;
contents = allocr_realloc(a, contents, prev, (size_t)contents_cap + 1);
}
}
++contents;
fclose(in);
return contents;
}
static Location token_location(File *file, Token *t);
#include "identifiers.c"
#include "copy.c"
#include "tokenizer.c"
#include "parse.c"
#if COMPILE_TIME_FOREIGN_FN_SUPPORT
#if defined _MSC_VER
#include "foreign_msvc.c"
#elif defined __unix__ || defined __OSX__
#include "foreign_unix.c"
#endif
#else
static bool foreign_call(ForeignFnManager *ffmgr, FnExpr *fn, Type *ret_type, Type *arg_types, size_t arg_types_stride, Value *args, size_t nargs, Location call_where, Value *ret) {
(void)ffmgr; (void)fn; (void)ret_type; (void)arg_types; (void)arg_types_stride; (void)args; (void)nargs; (void)ret;
err_print(call_where, "You have not compiled toc with compile time foreign function support.");
return false;
}
typedef char Library;
#endif
static void ffmgr_create(ForeignFnManager *ffmgr, Allocator *allocr) {
ffmgr->allocr = allocr;
str_hash_table_create(&ffmgr->libs_loaded, sizeof(Library), allocr);
}
#include "infer.c"
#include "types.c"
#include "eval.c"
#include "cgen.c"
#if RUN_TESTS
#include "tests.c"
#endif
#ifdef __cplusplus
#undef new
#undef this
#elif __STDC_VERSION__ < 199901
#undef inline
#endif
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