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Add #load_directory(path: string) > []runtime.Load_Directory_File

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This commit is contained in:
gingerBill
2024-02-09 15:18:29 +00:00
parent bae2a6fc1e
commit 5c4485f657
8 changed files with 246 additions and 68 deletions
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187
src/check_builtin.cpp
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@@ -1264,6 +1264,139 @@ gb_internal LoadDirectiveResult check_load_directive(CheckerContext *c, Operand
}
gb_internal int file_cache_sort_cmp(void const *x, void const *y) {
LoadFileCache const *a = *(LoadFileCache const **)(x);
LoadFileCache const *b = *(LoadFileCache const **)(y);
return string_compare(a->path, b->path);
}
gb_internal LoadDirectiveResult check_load_directory_directive(CheckerContext *c, Operand *operand, Ast *call, Type *type_hint, bool err_on_not_found) {
ast_node(ce, CallExpr, call);
ast_node(bd, BasicDirective, ce->proc);
String name = bd->name.string;
GB_ASSERT(name == "load_directory");
if (ce->args.count != 1) {
error(ce->args[0], "'#%.*s' expects 1 argument, got %td", LIT(name), ce->args.count);
return LoadDirective_Error;
}
Ast *arg = ce->args[0];
Operand o = {};
check_expr(c, &o, arg);
if (o.mode != Addressing_Constant) {
error(arg, "'#%.*s' expected a constant string argument", LIT(name));
return LoadDirective_Error;
}
if (!is_type_string(o.type)) {
gbString str = type_to_string(o.type);
error(arg, "'#%.*s' expected a constant string, got %s", LIT(name), str);
gb_string_free(str);
return LoadDirective_Error;
}
GB_ASSERT(o.value.kind == ExactValue_String);
init_core_load_directory_file(c->checker);
operand->type = t_load_directory_file_slice;
operand->mode = Addressing_Value;
String original_string = o.value.value_string;
String path;
if (gb_path_is_absolute((char*)original_string.text)) {
path = original_string;
} else {
String base_dir = dir_from_path(get_file_path_string(call->file_id));
BlockingMutex *ignore_mutex = nullptr;
bool ok = determine_path_from_string(ignore_mutex, call, base_dir, original_string, &path);
gb_unused(ok);
}
MUTEX_GUARD(&c->info->load_directory_mutex);
gbFileError file_error = gbFileError_None;
Array<LoadFileCache *> file_caches = {};
LoadDirectoryCache **cache_ptr = string_map_get(&c->info->load_directory_cache, path);
LoadDirectoryCache *cache = cache_ptr ? *cache_ptr : nullptr;
if (cache) {
file_error = cache->file_error;
}
defer ({
if (cache == nullptr) {
LoadDirectoryCache *new_cache = gb_alloc_item(permanent_allocator(), LoadDirectoryCache);
new_cache->path = path;
new_cache->files = file_caches;
new_cache->file_error = file_error;
string_map_set(&c->info->load_directory_cache, path, new_cache);
map_set(&c->info->load_directory_map, call, new_cache);
} else {
cache->file_error = file_error;
}
});
LoadDirectiveResult result = LoadDirective_Success;
if (cache == nullptr) {
Array<FileInfo> list = {};
ReadDirectoryError rd_err = read_directory(path, &list);
defer (array_free(&list));
if (list.count == 1) {
GB_ASSERT(path != list[0].fullpath);
}
switch (rd_err) {
case ReadDirectory_InvalidPath:
error(call, "%.*s error - invalid path: %.*s", LIT(name), LIT(original_string));
return LoadDirective_NotFound;
case ReadDirectory_NotExists:
error(call, "%.*s error - path does not exist: %.*s", LIT(name), LIT(original_string));
return LoadDirective_NotFound;
case ReadDirectory_Permission:
error(call, "%.*s error - unknown error whilst reading path, %.*s", LIT(name), LIT(original_string));
return LoadDirective_Error;
case ReadDirectory_NotDir:
error(call, "%.*s error - expected a directory, got a file: %.*s", LIT(name), LIT(original_string));
return LoadDirective_Error;
case ReadDirectory_Empty:
error(call, "%.*s error - empty directory: %.*s", LIT(name), LIT(original_string));
return LoadDirective_NotFound;
case ReadDirectory_Unknown:
error(call, "%.*s error - unknown error whilst reading path %.*s", LIT(name), LIT(original_string));
return LoadDirective_Error;
}
isize files_to_reserve = list.count+1; // always reserve 1
file_caches = array_make<LoadFileCache *>(heap_allocator(), 0, files_to_reserve);
for (FileInfo fi : list) {
LoadFileCache *cache = nullptr;
if (cache_load_file_directive(c, call, fi.fullpath, err_on_not_found, &cache)) {
array_add(&file_caches, cache);
} else {
result = LoadDirective_Error;
}
}
gb_sort_array(file_caches.data, file_caches.count, file_cache_sort_cmp);
}
return result;
}
gb_internal bool check_builtin_procedure_directive(CheckerContext *c, Operand *operand, Ast *call, Type *type_hint) {
ast_node(ce, CallExpr, call);
@@ -1291,6 +1424,8 @@ gb_internal bool check_builtin_procedure_directive(CheckerContext *c, Operand *o
operand->mode = Addressing_Value;
} else if (name == "load") {
return check_load_directive(c, operand, call, type_hint, true) == LoadDirective_Success;
} else if (name == "load_directory") {
return check_load_directory_directive(c, operand, call, type_hint, true) == LoadDirective_Success;
} else if (name == "load_hash") {
if (ce->args.count != 2) {
if (ce->args.count == 0) {
@@ -1408,58 +1543,6 @@ gb_internal bool check_builtin_procedure_directive(CheckerContext *c, Operand *o
return true;
}
return false;
} else if (name == "load_or") {
error(call, "'#load_or' has now been removed in favour of '#load(path) or_else default'");
if (ce->args.count != 2) {
if (ce->args.count == 0) {
error(ce->close, "'#load_or' expects 2 arguments, got 0");
} else {
error(ce->args[0], "'#load_or' expects 2 arguments, got %td", ce->args.count);
}
return false;
}
Ast *arg = ce->args[0];
Operand o = {};
check_expr(c, &o, arg);
if (o.mode != Addressing_Constant) {
error(arg, "'#load_or' expected a constant string argument");
return false;
}
if (!is_type_string(o.type)) {
gbString str = type_to_string(o.type);
error(arg, "'#load_or' expected a constant string, got %s", str);
gb_string_free(str);
return false;
}
Ast *default_arg = ce->args[1];
Operand default_op = {};
check_expr_with_type_hint(c, &default_op, default_arg, t_u8_slice);
if (default_op.mode != Addressing_Constant) {
error(arg, "'#load_or' expected a constant '[]byte' argument");
return false;
}
if (!are_types_identical(base_type(default_op.type), t_u8_slice)) {
gbString str = type_to_string(default_op.type);
error(arg, "'#load_or' expected a constant '[]byte', got %s", str);
gb_string_free(str);
return false;
}
GB_ASSERT(o.value.kind == ExactValue_String);
String original_string = o.value.value_string;
operand->type = t_u8_slice;
operand->mode = Addressing_Constant;
LoadFileCache *cache = nullptr;
if (cache_load_file_directive(c, call, original_string, false, &cache)) {
operand->value = exact_value_string(cache->data);
} else {
operand->value = default_op.value;
}
} else if (name == "assert") {
if (ce->args.count != 1 && ce->args.count != 2) {
error(call, "'#assert' expects either 1 or 2 arguments, got %td", ce->args.count);