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add ability to call function pointer field

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also introduce the self hosted tests

closes #108
This commit is contained in:
Andrew Kelley
2016-02-03 21:34:09 -07:00
parent 5c310f4343
commit 2521afef69
6 changed files with 161 additions and 116 deletions
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47
src/codegen.cpp
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@@ -544,41 +544,28 @@ static LLVMValueRef gen_fn_call_expr(CodeGen *g, AstNode *node) {
return gen_cast_expr(g, node);
}
FnTableEntry *fn_table_entry = node->data.fn_call_expr.fn_entry;
AstNode *fn_ref_expr = node->data.fn_call_expr.fn_ref_expr;
if (node->data.fn_call_expr.enum_type) {
int param_count = node->data.fn_call_expr.params.length;
AstNode *arg1_node;
if (param_count == 1) {
arg1_node = node->data.fn_call_expr.params.at(0);
} else {
assert(param_count == 0);
arg1_node = nullptr;
}
return gen_enum_value_expr(g, fn_ref_expr, node->data.fn_call_expr.enum_type, arg1_node);
}
FnTableEntry *fn_table_entry = node->data.fn_call_expr.fn_entry;
TypeTableEntry *struct_type = nullptr;
AstNode *first_param_expr = nullptr;
if (fn_ref_expr->type == NodeTypeFieldAccessExpr) {
if (fn_ref_expr->type == NodeTypeFieldAccessExpr &&
fn_ref_expr->data.field_access_expr.is_member_fn)
{
first_param_expr = fn_ref_expr->data.field_access_expr.struct_expr;
struct_type = get_expr_type(first_param_expr);
if (struct_type->id == TypeTableEntryIdStruct) {
fn_table_entry = node->data.fn_call_expr.fn_entry;
} else if (struct_type->id == TypeTableEntryIdPointer) {
assert(struct_type->data.pointer.child_type->id == TypeTableEntryIdStruct);
fn_table_entry = node->data.fn_call_expr.fn_entry;
} else if (struct_type->id == TypeTableEntryIdMetaType) {
TypeTableEntry *child_type = get_type_for_type_node(first_param_expr);
if (child_type->id == TypeTableEntryIdEnum) {
int param_count = node->data.fn_call_expr.params.length;
AstNode *arg1_node;
if (param_count == 1) {
arg1_node = node->data.fn_call_expr.params.at(0);
} else {
assert(param_count == 0);
arg1_node = nullptr;
}
return gen_enum_value_expr(g, fn_ref_expr, child_type, arg1_node);
} else if (child_type->id == TypeTableEntryIdStruct) {
struct_type = nullptr;
first_param_expr = nullptr;
fn_table_entry = node->data.fn_call_expr.fn_entry;
} else {
zig_unreachable();
}
} else {
zig_unreachable();
}
}
TypeTableEntry *fn_type;