text: //===--- NodeDumper.cpp - Swift Demangling Debug Dump Functions -----------===//
  //
  // This source file is part of the Swift.org open source project
  //
  // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
  // Licensed under Apache License v2.0 with Runtime Library Exception
  //
  // See https://swift.org/LICENSE.txt for license information
  // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
  //
  //===----------------------------------------------------------------------===//
  
  #include "swift/Demangling/Demangle.h"
  #include "swift/Demangling/Demangler.h"
  #include <cstdio>
  
  using namespace swift;
  using namespace Demangle;
  
  const char *Demangle::getNodeKindString(swift::Demangle::Node::Kind k) {
    switch (k) {
  #define NODE(ID)                                                               \
    case Node::Kind::ID:                                                         \
      return #ID;
  #include "swift/Demangling/DemangleNodes.def"
    }
    return "Demangle::Node::Kind::???";
  }
  
  static void printNode(DemanglerPrinter &Out, const Node *node, unsigned depth) {
    // Indent two spaces per depth.
    for (unsigned i = 0; i < depth * 2; ++i) {
      Out << ' ';
    }
    if (!node) {
      Out << "<<NULL>>";
      return;
    }
    Out << "kind=" << getNodeKindString(node->getKind());
    if (node->hasText()) {
      Out << ", text=\"" << node->getText() << '\"';
    }
    if (node->hasIndex()) {
      Out << ", index=" << node->getIndex();
    }
    Out << '\n';
    for (auto &child : *node) {
      printNode(Out, child, depth + 1);
    }
  }
  
  std::string Demangle::getNodeTreeAsString(NodePointer Root) {
    DemanglerPrinter Printer;
    printNode(Printer, Root, 0);
    return std::move(Printer).str();
  }
  
  void swift::Demangle::Node::dump() {
    std::string TreeStr = getNodeTreeAsString(this);
    fputs(TreeStr.c_str(), stderr);
  }
  
  void Demangler::dump() {
    for (unsigned Idx = 0; Idx < NodeStack.size(); ++Idx) {
      fprintf(stderr, "NodeStack[%u] at position %zd:\n", Idx, NodeStack[Idx].Pos);
      NodeStack[Idx].Node->dump();
      fprintf(stderr, "\n");
    }
    fprintf(stderr, "Position = %zd:\n%.*s\n%*s\n", Pos,
            (int)Text.size(), Text.data(), (int)Pos + 1, "^");
  }
  
  