From dd5bbae055fd34ce2e12ef63f8a261c6b15dc83e Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Wed, 21 Oct 2026 05:43:35 +0000
Subject: feat(parser): parse TEMPLATE declarations, template ids and parameter
 packs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 include/cps/TemplateAST.h | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 include/cps/TemplateAST.h

(limited to 'include/cps/TemplateAST.h')

diff --git a/include/cps/TemplateAST.h b/include/cps/TemplateAST.h
new file mode 100644
index 0000000..c338b66
--- /dev/null
+++ b/include/cps/TemplateAST.h
@@ -0,0 +1,43 @@
+#pragma once
+#include "cps/FunctionAST.h"
+#include "cps/TypeAST.h"
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace cps {
+
+struct TemplateParam {
+    std::string Name;
+    bool IsPack = false;
+    int Line = 0;
+};
+
+class TemplateDeclAST : public StmtAST {
+    std::vector<TemplateParam> Params;
+    std::unique_ptr<FunctionDefAST> Function;
+    std::unique_ptr<ClassTypeDeclAST> Class;
+public:
+    TemplateDeclAST(std::vector<TemplateParam> Params, std::unique_ptr<FunctionDefAST> Function)
+        : Params(std::move(Params)), Function(std::move(Function)) {}
+    TemplateDeclAST(std::vector<TemplateParam> Params, std::unique_ptr<ClassTypeDeclAST> Class)
+        : Params(std::move(Params)), Class(std::move(Class)) {}
+    const auto &getParams() const { return Params; }
+    const std::string &getName() const {
+        return Function ? Function->getProto()->getName() : Class->getName();
+    }
+    bool isVariadic() const { return !Params.empty() && Params.back().IsPack; }
+    FunctionDefAST *getFunction() const { return Function.get(); }
+    ClassTypeDeclAST *getClass() const { return Class.get(); }
+};
+
+class PackExpansionExprAST : public ExprAST {
+    std::string Name;
+public:
+    PackExpansionExprAST(std::string Name, int Line)
+        : ExprAST(Line), Name(std::move(Name)) {}
+    const std::string &getName() const { return Name; }
+};
+
+} // namespace cps
-- 
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