1 //===- ClangASTNodesEmitter.h - Generate Clang AST node tables -*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // These tablegen backends emit Clang AST node tables
12 //===----------------------------------------------------------------------===//
14 #ifndef CLANGAST_EMITTER_H
15 #define CLANGAST_EMITTER_H
17 #include "TableGenBackend.h"
25 /// ClangASTNodesEmitter - The top-level class emits .inc files containing
26 /// declarations of Clang statements.
28 class ClangASTNodesEmitter : public TableGenBackend {
29 // A map from a node to each of its derived nodes.
30 typedef std::multimap<Record*, Record*> ChildMap;
31 typedef ChildMap::const_iterator ChildIterator;
33 RecordKeeper &Records;
35 const std::string &BaseSuffix;
37 // Create a macro-ized version of a name
38 static std::string macroName(std::string S) {
39 for (unsigned i = 0; i < S.size(); ++i)
40 S[i] = std::toupper(S[i]);
45 // Return the name to be printed in the base field. Normally this is
46 // the record's name plus the base suffix, but if it is the root node and
47 // the suffix is non-empty, it's just the suffix.
48 std::string baseName(Record &R) {
49 if (&R == &Root && !BaseSuffix.empty())
52 return R.getName() + BaseSuffix;
55 std::pair<Record *, Record *> EmitNode (const ChildMap &Tree, raw_ostream& OS,
58 explicit ClangASTNodesEmitter(RecordKeeper &R, const std::string &N,
60 : Records(R), Root(N, SMLoc(), R), BaseSuffix(S)
63 // run - Output the .inc file contents
64 void run(raw_ostream &OS);
67 /// ClangDeclContextEmitter - Emits an addendum to a .inc file to enumerate the
68 /// clang declaration contexts.
70 class ClangDeclContextEmitter : public TableGenBackend {
71 RecordKeeper &Records;
74 explicit ClangDeclContextEmitter(RecordKeeper &R)
78 // run - Output the .inc file contents
79 void run(raw_ostream &OS);
82 } // End llvm namespace