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change unreachable{} to @unreachable()

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instead of a container init expression, it's a builtin
function call.
This commit is contained in:
Andrew Kelley
2016-09-13 16:46:27 -04:00
parent ea2f6594ce
commit 06f2f4d64b
13 changed files with 89 additions and 81 deletions
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src/eval.cpp
+11 -7
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@@ -491,13 +491,6 @@ static bool eval_container_init_expr(EvalFn *ef, AstNode *node, ConstExprValue *
}
} else if (container_type->id == TypeTableEntryIdVoid) {
return false;
} else if (container_type->id == TypeTableEntryIdUnreachable) {
ef->root->abort = true;
ErrorMsg *msg = add_node_error(ef->root->codegen, ef->root->fn->fn_def_node,
buf_sprintf("function evaluation reached unreachable expression"));
add_error_note(ef->root->codegen, msg, ef->root->call_node, buf_sprintf("called from here"));
add_error_note(ef->root->codegen, msg, node, buf_sprintf("unreachable expression here"));
return true;
} else if (container_type->id == TypeTableEntryIdStruct &&
container_type->data.structure.is_slice &&
kind == ContainerInitKindArray)
@@ -791,6 +784,15 @@ static bool eval_div_exact(EvalFn *ef, AstNode *node, ConstExprValue *out_val) {
return false;
}
static bool eval_unreachable(EvalFn *ef, AstNode *node, ConstExprValue *out_val) {
ef->root->abort = true;
ErrorMsg *msg = add_node_error(ef->root->codegen, ef->root->fn->fn_def_node,
buf_sprintf("function evaluation reached unreachable expression"));
add_error_note(ef->root->codegen, msg, ef->root->call_node, buf_sprintf("called from here"));
add_error_note(ef->root->codegen, msg, node, buf_sprintf("unreachable expression here"));
return true;
}
static bool eval_fn_with_overflow(EvalFn *ef, AstNode *node, ConstExprValue *out_val,
bool (*bignum_fn)(BigNum *dest, BigNum *op1, BigNum *op2))
{
@@ -851,6 +853,8 @@ static bool eval_fn_call_builtin(EvalFn *ef, AstNode *node, ConstExprValue *out_
return false;
case BuiltinFnIdDivExact:
return eval_div_exact(ef, node, out_val);
case BuiltinFnIdUnreachable:
return eval_unreachable(ef, node, out_val);
case BuiltinFnIdMemcpy:
case BuiltinFnIdMemset:
case BuiltinFnIdSizeof: