mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 20:11:17 +00:00
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
// Copyright (c) 2019 Christoffer Lerno. All rights reserved.
|
|
// Use of this source code is governed by the GNU LGPLv3.0 license
|
|
// a copy of which can be found in the LICENSE file.
|
|
|
|
#include <sys/stat.h>
|
|
#ifdef _MSC_VER
|
|
|
|
#define PATH_MAX 260
|
|
|
|
#else
|
|
#include <limits.h>
|
|
#endif
|
|
#include "compiler_internal.h"
|
|
|
|
static const size_t LEXER_FILES_START_CAPACITY = 128;
|
|
|
|
|
|
File *source_file_by_id(FileId file)
|
|
{
|
|
assert(file < vec_size(global_context.loaded_sources));
|
|
return global_context.loaded_sources[file];
|
|
}
|
|
|
|
File *source_file_load(const char *filename, bool *already_loaded)
|
|
{
|
|
if (already_loaded) *already_loaded = false;
|
|
if (!global_context.loaded_sources) global_context.loaded_sources = VECNEW(File*, LEXER_FILES_START_CAPACITY);
|
|
|
|
char* full_path = malloc_arena(PATH_MAX + 1);
|
|
|
|
if (!realpath(filename, full_path))
|
|
{
|
|
error_exit("Failed to resolve %s", filename);
|
|
}
|
|
|
|
VECEACH(global_context.loaded_sources, index)
|
|
{
|
|
if (strcmp(global_context.loaded_sources[index]->full_path, full_path) == 0)
|
|
{
|
|
if (already_loaded) *already_loaded = true;
|
|
return global_context.loaded_sources[index];
|
|
}
|
|
}
|
|
if (vec_size(global_context.loaded_sources) == MAX_FILES)
|
|
{
|
|
error_exit("Exceeded max number of files %d", MAX_FILES);
|
|
}
|
|
|
|
size_t size;
|
|
const char* source_text = file_read_all(filename, &size);
|
|
File *file = CALLOCS(File);
|
|
file->file_id = vec_size(global_context.loaded_sources);
|
|
file->full_path = full_path;
|
|
file->contents = source_text;
|
|
file_get_dir_and_filename_from_full(file->full_path, &file->name, &file->dir_path);
|
|
vec_add(global_context.loaded_sources, file);
|
|
return file;
|
|
}
|
|
|
|
|