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Add #load_or(path_string, default_byte_slice)

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This commit is contained in:
gingerBill
2021-09-23 23:32:46 +01:00
parent 374f98356c
commit 8c4197af38
2 changed files with 47 additions and 35 deletions
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src/check_builtin.cpp
+35 -32
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@@ -311,8 +311,8 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
operand->value = exact_value_string(result);
} else if (name == "load_or") {
if (ce->args.count != 1) {
error(ce->args[0], "'#load' expects 1 argument, got %td", ce->args.count);
if (ce->args.count != 2) {
error(ce->args[0], "'#load_or' expects 2 arguments, got %td", ce->args.count);
return false;
}
@@ -320,13 +320,28 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
Operand o = {};
check_expr(c, &o, arg);
if (o.mode != Addressing_Constant) {
error(arg, "'#load' expected a constant string argument");
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' expected a constant string, got %s", str);
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;
}
@@ -350,36 +365,24 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
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);
if (file_err == gbFileError_None) {
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->value = exact_value_string(result);
} else {
operand->value = default_op.value;
}
} else if (name == "assert") {
if (ce->args.count != 1) {