gcc/expr-rewriter.c


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#include "expr-rewriter.hpp"
#include "type-stringifier.hpp"
#include <string>
#include <map>

void
ExprTypeRewriter::_walk_post(const_tree e)
{
  gcc_assert(e);
  tree t = TREE_TYPE(e);
  const bool in_map = _map.find(t) != _map.end();
  if (!in_map) return;

  tree r_t = _map[t];
  TREE_TYPE((tree)e) = r_t;
  TypeStringifier stringifer;
  const std::string t_name = stringifer.stringify(t);
  const std::string r_t_name = stringifer.stringify(r_t);
  log("replacing %s with %s\n", t_name.c_str(), r_t_name.c_str());
}

void
ExprTypeRewriter::_walk_COMPONENT_REF_pre(const_tree e)
{
  // TODO: I need to rewrite the field 
  const_tree f = TREE_OPERAND(e, 1);
  // So, what we need is a map between this field and the new field
  const bool in_map = _map2.find(f) != _map2.end();
  if (!in_map) return;

  tree n_f = _map2[f];
  TREE_OPERAND(e, 1) = n_f;
  log("replacing field %s with %s\n", TypeStringifier::get_field_identifier(f).c_str(), TypeStringifier::get_field_identifier(n_f).c_str());
}