authorgravatar for timonkruiper@gmail.comTimon Kruiper <timonkruiper@gmail.com> 2019-09-05 18:43:54+02:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2019-09-05 15:27:50-04:00
logca70ca7e26aaae3425dad3a2b179f544bacf45e3
treec6b76b2254093eaa68837c0e0825e49623dbd6ab
parent4a5bc89862aca6f1870cbaa7d398ab2eed3022c3

Add compiler error when negating invalid type

2 files changed, 22 insertions(+), 0 deletions(-)

src/ir.cpp+9
......@@ -16565,6 +16565,15 @@ static IrInstruction *ir_analyze_negation(IrAnalyze *ira, IrInstructionUnOp *ins
1656516565 if (type_is_invalid(expr_type))
1656616566 return ira->codegen->invalid_instruction;
1656716567
16568 if (!(expr_type->id == ZigTypeIdInt || expr_type->id == ZigTypeIdComptimeInt ||
16569 expr_type->id == ZigTypeIdFloat || expr_type->id == ZigTypeIdComptimeFloat ||
16570 expr_type->id == ZigTypeIdVector))
16571 {
16572 ir_add_error(ira, &instruction->base,
16573 buf_sprintf("negation of type '%s'", buf_ptr(&expr_type->name)));
16574 return ira->codegen->invalid_instruction;
16575 }
16576
1656816577 bool is_wrap_op = (instruction->op_id == IrUnOpNegationWrap);
1656916578
1657016579 ZigType *scalar_type = (expr_type->id == ZigTypeIdVector) ? expr_type->data.vector.elem_type : expr_type;
test/compile_errors.zig+13
......@@ -2,6 +2,19 @@ const tests = @import("tests.zig");
22const builtin = @import("builtin");
33
44pub fn addCases(cases: *tests.CompileErrorContext) void {
5 cases.add(
6 "attempt to negate a non-integer, non-float or non-vector type",
7 \\fn foo() anyerror!u32 {
8 \\ return 1;
9 \\}
10 \\
11 \\export fn entry() void {
12 \\ const x = -foo();
13 \\}
14 ,
15 "tmp.zig:6:15: error: negation of type 'anyerror!u32'",
16 );
17
518 cases.add(
619 "attempt to create 17 bit float type",
720 \\const builtin = @import("builtin");