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add ?? prefix operator

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This commit is contained in:
Andrew Kelley
2016-02-01 02:11:46 -07:00
parent b3459f64e7
commit 179443bd61
8 changed files with 29 additions and 26 deletions
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4
src/ast_render.cpp
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@@ -53,6 +53,7 @@ static const char *prefix_op_str(PrefixOp prefix_op) {
case PrefixOpMaybe: return "?";
case PrefixOpError: return "%";
case PrefixOpUnwrapError: return "%%";
case PrefixOpUnwrapMaybe: return "??";
}
}
@@ -696,8 +697,9 @@ static void render_node(AstRender *ar, AstNode *node) {
if (node->data.fn_call_expr.is_builtin) {
fprintf(ar->f, "@");
}
render_node(ar, node->data.fn_call_expr.fn_ref_expr);
fprintf(ar->f, "(");
render_node(ar, node->data.fn_call_expr.fn_ref_expr);
fprintf(ar->f, ")(");
for (int i = 0; i < node->data.fn_call_expr.params.length; i += 1) {
AstNode *param = node->data.fn_call_expr.params.at(i);
if (i != 0) {