#ifndef __JetCodegen_h__
#define __JetCodegen_h__

#include "JetAST.h"
#include <string>
#include <sstream>

namespace jetc {

   // Emits a standalone .cpp translation unit that renders a compiled JET
   // template. The static tag/text structure becomes real C++ control flow;
   // anything genuinely dynamic (variable values, expr/value comparisons,
   // loop bounds) still calls into the existing JetCore/CoreUtils runtime
   // (Tag::getVariable/resolveKeyword/assignVariable, jet::Operand) exactly
   // as the interpreter does - compiling doesn't try to eliminate that, only
   // the repeated re-parsing of the template's own structure.
   class Codegen {
    public:
      std::string generate(const std::vector<NodePtr> &top, const std::string &sourceFileComment);

    private:
      std::ostringstream out;
      size_t nextId = 0;
      std::string id(const std::string &prefix) { return prefix + std::to_string(nextId++) + "_"; }

      void emitBody(const std::vector<NodePtr> &nodes, int indent);
      void emitNode(const NodePtr &n, int indent);
      static std::string ind(int indent);
      static std::string cstr(const std::string &raw);   // C++ string-literal escape
      static const char *staticTypeOp(const std::string &type, const char *rcVar);
   };

}

#endif