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Allow optional message for #assert.

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This commit is contained in:
Jeroen van Rijn
2022-04-02 15:31:50 +02:00
parent c930a3b4c8
commit cb5a6b531a
1 changed files with 27 additions and 5 deletions
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32
src/check_builtin.cpp
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@@ -830,8 +830,8 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
}
} else if (name == "assert") {
if (ce->args.count != 1) {
error(call, "'#assert' expects 1 argument, got %td", ce->args.count);
if (ce->args.count != 1 && ce->args.count != 2) {
error(call, "'#assert' expects either 1 or 2 arguments, got %td", ce->args.count);
return false;
}
if (!is_type_boolean(operand->type) || operand->mode != Addressing_Constant) {
@@ -840,15 +840,37 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
gb_string_free(str);
return false;
}
if (ce->args.count == 2) {
Ast *arg = unparen_expr(ce->args[1]);
if (arg == nullptr || arg->kind != Ast_BasicLit || arg->BasicLit.token.kind != Token_String) {
gbString str = expr_to_string(arg);
error(call, "'%s' is not a constant string", str);
gb_string_free(str);
return false;
}
}
if (!operand->value.value_bool) {
gbString arg = expr_to_string(ce->args[0]);
error(call, "Compile time assertion: %s", arg);
gbString arg1 = expr_to_string(ce->args[0]);
gbString arg2 = {};
if (ce->args.count == 1) {
error(call, "Compile time assertion: %s", arg1);
} else {
arg2 = expr_to_string(ce->args[1]);
error(call, "Compile time assertion: %s (%s)", arg1, arg2);
}
if (c->proc_name != "") {
gbString str = type_to_string(c->curr_proc_sig);
error_line("\tCalled within '%.*s' :: %s\n", LIT(c->proc_name), str);
gb_string_free(str);
}
gb_string_free(arg);
gb_string_free(arg1);
if (ce->args.count == 2) {
gb_string_free(arg2);
}
}
operand->type = t_untyped_bool;