motiejus/zig
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array access support

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This commit is contained in:
Andrew Kelley
2015-12-08 14:47:17 -07:00
parent 75efc31329
commit 6e0c3dc173
4 changed files with 38 additions and 9 deletions
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21
src/codegen.cpp
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@@ -170,7 +170,18 @@ static LLVMValueRef gen_fn_call_expr(CodeGen *g, AstNode *node) {
static LLVMValueRef gen_array_access_expr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeArrayAccessExpr);
zig_panic("TODO gen arary access");
LLVMValueRef array_ref_value = gen_expr(g, node->data.array_access_expr.array_ref_expr);
LLVMValueRef subscript_value = gen_expr(g, node->data.array_access_expr.subscript);
assert(array_ref_value);
assert(subscript_value);
LLVMValueRef indices[] = {
LLVMConstInt(LLVMInt32Type(), 0, false),
subscript_value
};
LLVMValueRef result_ptr = LLVMBuildInBoundsGEP(g->builder, array_ref_value, indices, 2, "");
return LLVMBuildLoad(g->builder, result_ptr, "");
}
static LLVMValueRef gen_prefix_op_expr(CodeGen *g, AstNode *node) {
@@ -651,8 +662,12 @@ static LLVMValueRef gen_expr(CodeGen *g, AstNode *node) {
if (variable->type == g->builtin_types.entry_void) {
return nullptr;
} else if (variable->is_ptr) {
add_debug_source_node(g, node);
return LLVMBuildLoad(g->builder, variable->value_ref, "");
if (variable->type->id == TypeTableEntryIdArray) {
return variable->value_ref;
} else {
add_debug_source_node(g, node);
return LLVMBuildLoad(g->builder, variable->value_ref, "");
}
} else {
return variable->value_ref;
}