| author |  Shawn Landden <shawn@git.icu> 2019-03-28 08:47:47-05:00 |
| committer |  Andrew Kelley <andrew@ziglang.org> 2019-03-28 15:54:44-04:00 |
| log | 66f13ba80787b652ee4f26669f4f2af99e1f1ea0 |
| tree | 8733b7d4ac0a4dc4dc04081b3f26c3b9c141beed |
| parent | 85d188537538cdb7929ac05d7960d6b724676d7f |
stage1: better error message when comparing against null
Closes: #21042 files changed, 3 insertions(+), 2 deletions(-)
src
src/ir.cpp+2-1
| ... | ... | @@ -12210,7 +12210,8 @@ static IrInstruction *ir_analyze_bin_op_cmp(IrAnalyze *ira, IrInstructionBinOp * |
| 12210 | 12210 | return is_non_null; |
| 12211 | 12211 | } |
| 12212 | 12212 | } else if (op1->value.type->id == ZigTypeIdNull || op2->value.type->id == ZigTypeIdNull) { |
| 12213 | ir_add_error_node(ira, source_node, buf_sprintf("comparison against null can only be done with optionals")); | |
| 12213 | ir_add_error_node(ira, source_node, buf_sprintf("only optionals (not '%s') can compare to null", | |
| 12214 | buf_ptr(&(op1->value.type->id == ZigTypeIdNull ? op2->value.type->name : op1->value.type->name)))); | |
| 12214 | 12215 | return ira->codegen->invalid_instruction; |
| 12215 | 12216 | } |
| 12216 | 12217 |
test/compile_errors.zig+1-1
| ... | ... | @@ -839,7 +839,7 @@ pub fn addCases(cases: *tests.CompileErrorContext) void { |
| 839 | 839 | \\ _ = &x == null; |
| 840 | 840 | \\} |
| 841 | 841 | , |
| 842 | "tmp.zig:3:12: error: comparison against null can only be done with optionals", | |
| 842 | "tmp.zig:3:12: error: only optionals (not '*i32') can compare to null", | |
| 843 | 843 | ); |
| 844 | 844 | |
| 845 | 845 | cases.add( |