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Handle #c_vararg

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This commit is contained in:
gingerBill
2023-06-21 14:07:14 +01:00
parent 1800030356
commit c9fb078c0f
1 changed files with 9 additions and 6 deletions
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15
src/llvm_backend_proc.cpp
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@@ -3265,17 +3265,16 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
GB_ASSERT(slice_type->kind == Type_Slice);
if (is_c_vararg) {
GB_PANIC("TODO #c_vararg");
GB_ASSERT(!vari_expand);
Type *elem_type = slice_type->Slice.elem;
for (Ast *var_arg : variadic) {
lbValue arg = lb_build_expr(p, var_arg);
if (!is_type_any(elem_type)) {
array_add(&args, lb_emit_conv(p, arg, elem_type));
} else {
if (is_type_any(elem_type)) {
array_add(&args, lb_emit_conv(p, arg, default_type(arg.type)));
} else {
array_add(&args, lb_emit_conv(p, arg, elem_type));
}
}
break;
@@ -3321,7 +3320,9 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
}
}
array_resize(&args, pt->param_count);
if (!is_c_vararg) {
array_resize(&args, pt->param_count);
}
for (Ast *arg : ce->split_args->named) {
ast_node(fv, FieldValue, arg);
@@ -3343,6 +3344,9 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
GB_ASSERT(args.count >= pt->params->Tuple.variables.count);
for_array(arg_index, pt->params->Tuple.variables) {
Entity *e = pt->params->Tuple.variables[arg_index];
if (pt->variadic && arg_index == pt->variadic_index) {
continue;
}
lbValue arg = args[arg_index];
if (arg.value == nullptr) {
@@ -3366,7 +3370,6 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
}
}
isize final_count = is_c_vararg ? args.count : pt->param_count;
auto call_args = array_slice(args, 0, final_count);
return lb_emit_call(p, value, call_args, ce->inlining);