motiejus/zig
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basic support for functions with variable length arguments

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See #77
This commit is contained in:
Andrew Kelley
2017-01-23 16:40:17 -05:00
parent 1826a96160
commit 17cb85dfb8
11 changed files with 258 additions and 64 deletions
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12
src/ast_render.cpp
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@@ -393,7 +393,6 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
print_symbol(ar, node->data.fn_proto.name);
fprintf(ar->f, "(");
int arg_count = node->data.fn_proto.params.length;
bool is_var_args = node->data.fn_proto.is_var_args;
for (int arg_i = 0; arg_i < arg_count; arg_i += 1) {
AstNode *param_decl = node->data.fn_proto.params.at(arg_i);
assert(param_decl->type == NodeTypeParamDecl);
@@ -404,15 +403,16 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
print_symbol(ar, param_decl->data.param_decl.name);
fprintf(ar->f, ": ");
}
render_node_grouped(ar, param_decl->data.param_decl.type);
if (param_decl->data.param_decl.is_var_args) {
fprintf(ar->f, "...");
} else {
render_node_grouped(ar, param_decl->data.param_decl.type);
}
if (arg_i + 1 < arg_count || is_var_args) {
if (arg_i + 1 < arg_count) {
fprintf(ar->f, ", ");
}
}
if (is_var_args) {
fprintf(ar->f, "...");
}
fprintf(ar->f, ")");
AstNode *return_type_node = node->data.fn_proto.return_type;