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emit a compile error for @panic called at compile time

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closes #706
This commit is contained in:
Andrew Kelley 2018-01-18 17:15:36 -05:00
parent 0b8f19fcba
commit 0fc645ab70
2 changed files with 13 additions and 0 deletions
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5
src/ir.cpp
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@ -14499,6 +14499,11 @@ static TypeTableEntry *ir_analyze_instruction_panic(IrAnalyze *ira, IrInstructio
if (type_is_invalid(msg->value.type))
return ira->codegen->builtin_types.entry_invalid;
if (ir_should_inline(ira->new_irb.exec, instruction->base.scope)) {
ir_add_error(ira, &instruction->base, buf_sprintf("encountered @panic at compile-time"));
return ira->codegen->builtin_types.entry_invalid;
}
TypeTableEntry *u8_ptr_type = get_pointer_to_type(ira->codegen, ira->codegen->builtin_types.entry_u8, true);
TypeTableEntry *str_type = get_slice_type(ira->codegen, u8_ptr_type);
IrInstruction *casted_msg = ir_implicit_cast(ira, msg, str_type);

8
test/compile_errors.zig
View File

@ -1,6 +1,14 @@
const tests = @import("tests.zig");
pub fn addCases(cases: &tests.CompileErrorContext) {
cases.add("@panic called at compile time",
\\export fn entry() {
\\ comptime {
\\ @panic("aoeu");
\\ }
\\}
, "error: encountered @panic at compile-time");
cases.add("wrong return type for main",
\\pub fn main() -> f32 { }
, "error: expected return type of main to be 'u8', 'noreturn', 'void', or '%void'");