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bail out of analysis on first error during comptime eval

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prevents an error during comptime eval from printing a
large number of compile errors
This commit is contained in:
Andrew Kelley 2017-04-18 04:02:36 -04:00
parent 9021bb7969
commit 6f0f8a92ec
1 changed files with 9 additions and 2 deletions
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11
src/ir.cpp
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@ -5849,7 +5849,7 @@ static IrInstruction *ir_exec_const_result(CodeGen *codegen, IrExecutable *exec)
return codegen->invalid_instruction;
}
}
zig_unreachable();
return codegen->invalid_instruction;
}
static bool ir_emit_global_runtime_side_effect(IrAnalyze *ira, IrInstruction *source_instruction) {
@ -7741,7 +7741,11 @@ static int ir_eval_bignum(ConstExprValue *op1_val, ConstExprValue *op2_val,
bool overflow = bignum_fn(&out_val->data.x_bignum, &op1_val->data.x_bignum, &op2_val->data.x_bignum);
if (overflow) {
return ErrorOverflow;
if (wrapping_op) {
zig_panic("TODO compiler bug, implement compile-time wrapping arithmetic for >= 64 bit ints");
} else {
return ErrorOverflow;
}
}
if (type->id == TypeTableEntryIdInt && !bignum_fits_in_bits(&out_val->data.x_bignum,
@ -12985,6 +12989,9 @@ TypeTableEntry *ir_analyze(CodeGen *codegen, IrExecutable *old_exec, IrExecutabl
}
TypeTableEntry *return_type = ir_analyze_instruction(ira, old_instruction);
if (type_is_invalid(return_type) && ir_should_inline(new_exec, old_instruction->scope)) {
break;
}
// unreachable instructions do their own control flow.
if (return_type->id == TypeTableEntryIdUnreachable)