mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2025-12-29 17:34:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

#load directive (request from #368) (Basic implementation)

Browse Source
This commit is contained in:
gingerBill
2019-04-20 15:05:35 +01:00
parent 0755dfbd5d
commit 56c4039e72
4 changed files with 133 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
src/check_expr.cpp
View File

@@ -3125,6 +3125,76 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
operand->type = t_source_code_location;
operand->mode = Addressing_Value;
} else if (name == "load") {
if (ce->args.count != 1) {
error(ce->args[0], "'#load' expects 1 argument, 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' expected a constant string argument");
return false;
}
if (!is_type_string(o.type)) {
gbString str = type_to_string(o.type);
error(arg, "'#load' expected a constant string, got %s", str);
gb_string_free(str);
return false;
}
gbAllocator a = heap_allocator();
GB_ASSERT(o.value.kind == ExactValue_String);
String base_dir = dir_from_path(bd->token.pos.file);
String original_string = o.value.value_string;
gbMutex *ignore_mutex = nullptr;
String path = {};
bool ok = determine_path_from_string(ignore_mutex, call, base_dir, original_string, &path);
char *c_str = alloc_cstring(a, path);
defer (gb_free(a, c_str));
gbFile f = {};
gbFileError file_err = gb_file_open(&f, c_str);
defer (gb_file_close(&f));
switch (file_err) {
default:
case gbFileError_Invalid:
error(ce->proc, "Failed to `#load` file: %s; invalid file or cannot be found", c_str);
return false;
case gbFileError_NotExists:
error(ce->proc, "Failed to `#load` file: %s; file cannot be found", c_str);
return false;
case gbFileError_Permission:
error(ce->proc, "Failed to `#load` file: %s; file permissions problem", c_str);
return false;
case gbFileError_None:
// Okay
break;
}
String result = {};
isize file_size = cast(isize)gb_file_size(&f);
if (file_size > 0) {
u8 *data = cast(u8 *)gb_alloc(a, file_size+1);
gb_file_read_at(&f, data, file_size, 0);
data[file_size] = '\0';
result.text = data;
result.len = file_size;
}
operand->type = t_u8_slice;
operand->mode = Addressing_Constant;
operand->value = exact_value_string(result);
} else if (name == "assert") {
if (ce->args.count != 1) {
error(call, "'#assert' expects 1 argument, got %td", ce->args.count);
@@ -5318,7 +5388,7 @@ ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *call) {
ce->proc->kind == Ast_BasicDirective) {
ast_node(bd, BasicDirective, ce->proc);
String name = bd->name;
if (name == "location" || name == "assert" || name == "defined") {
if (name == "location" || name == "assert" || name == "defined" || name == "load") {
operand->mode = Addressing_Builtin;
operand->builtin_id = BuiltinProc_DIRECTIVE;
operand->expr = ce->proc;