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Fix append crash when pointer is passed

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This commit is contained in:
Ginger Bill
2017-04-10 21:09:04 +01:00
parent 98d493504b
commit 8e55bb2a6c
1 changed files with 19 additions and 3 deletions
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src/ir.c
+19 -3
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@@ -3328,6 +3328,17 @@ irValue *ir_find_global_variable(irProcedure *proc, String name) {
void ir_build_stmt_list(irProcedure *proc, AstNodeArray stmts);
bool is_double_pointer(Type *t) {
if (!is_type_pointer(t)) {
return false;
}
t = type_deref(t);
if (t == NULL) {
return false;
}
return is_type_pointer(t);
}
irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
expr = unparen_expr(expr);
@@ -3906,7 +3917,7 @@ irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
Type *original_type = type_of_expr(proc->module->info, ce->args.e[0]);
irAddr addr = ir_build_addr(proc, ce->args.e[0]);
irValue *ptr = addr.addr;
if (is_type_pointer(original_type)) {
if (is_double_pointer(ir_type(ptr))) {
ptr = ir_addr_load(proc, addr);
}
Type *t = base_type(type_deref(original_type));
@@ -3934,11 +3945,16 @@ irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
Type *value_type = type_of_expr(proc->module->info, ce->args.e[0]);
irAddr array_addr = ir_build_addr(proc, ce->args.e[0]);
irValue *array_ptr = array_addr.addr;
if (is_type_pointer(value_type)) {
if (is_double_pointer(ir_type(array_ptr))) {
array_ptr = ir_addr_load(proc, array_addr);
}
Type *type = ir_type(array_ptr);
GB_ASSERT(is_type_pointer(type));
{
TokenPos pos = ast_node_token(ce->args.e[0]).pos;
GB_ASSERT_MSG(is_type_pointer(type), "%.*s(%td) %s",
LIT(pos.file), pos.line,
type_to_string(type));
}
type = base_type(type_deref(type));
Type *elem_type = NULL;
bool is_slice = false;