Make clang-tblgen backends functions instead of TableGenBackends.
Get rid of a bunch of header files. TableGen output should be unaffected.
Patch by Sean Silva!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158388 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/ClangASTNodesEmitter.cpp b/utils/TableGen/ClangASTNodesEmitter.cpp
index d9d5a3c..c51ca96 100644
--- a/utils/TableGen/ClangASTNodesEmitter.cpp
+++ b/utils/TableGen/ClangASTNodesEmitter.cpp
@@ -11,10 +11,58 @@
//
//===----------------------------------------------------------------------===//
-#include "ClangASTNodesEmitter.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenBackend.h"
+#include <cctype>
+#include <map>
#include <set>
+#include <string>
using namespace llvm;
+/// ClangASTNodesEmitter - The top-level class emits .inc files containing
+/// declarations of Clang statements.
+///
+namespace {
+class ClangASTNodesEmitter {
+ // A map from a node to each of its derived nodes.
+ typedef std::multimap<Record*, Record*> ChildMap;
+ typedef ChildMap::const_iterator ChildIterator;
+
+ RecordKeeper &Records;
+ Record Root;
+ const std::string &BaseSuffix;
+
+ // Create a macro-ized version of a name
+ static std::string macroName(std::string S) {
+ for (unsigned i = 0; i < S.size(); ++i)
+ S[i] = std::toupper(S[i]);
+
+ return S;
+ }
+
+ // Return the name to be printed in the base field. Normally this is
+ // the record's name plus the base suffix, but if it is the root node and
+ // the suffix is non-empty, it's just the suffix.
+ std::string baseName(Record &R) {
+ if (&R == &Root && !BaseSuffix.empty())
+ return BaseSuffix;
+
+ return R.getName() + BaseSuffix;
+ }
+
+ std::pair<Record *, Record *> EmitNode (const ChildMap &Tree, raw_ostream& OS,
+ Record *Base);
+public:
+ explicit ClangASTNodesEmitter(RecordKeeper &R, const std::string &N,
+ const std::string &S)
+ : Records(R), Root(N, SMLoc(), R), BaseSuffix(S)
+ {}
+
+ // run - Output the .inc file contents
+ void run(raw_ostream &OS);
+};
+} // end anonymous namespace
+
//===----------------------------------------------------------------------===//
// Statement Node Tables (.inc file) generation.
//===----------------------------------------------------------------------===//
@@ -124,7 +172,15 @@
OS << "#undef ABSTRACT_" << macroName(Root.getName()) << "\n";
}
-void ClangDeclContextEmitter::run(raw_ostream &OS) {
+namespace clang {
+void EmitClangASTNodes(RecordKeeper &RK, raw_ostream &OS,
+ const std::string &N, const std::string &S) {
+ ClangASTNodesEmitter(RK, N, S).run(OS);
+}
+
+// Emits and addendum to a .inc file to enumerate the clang declaration
+// contexts.
+void EmitClangDeclContext(RecordKeeper &Records, raw_ostream &OS) {
// FIXME: Find a .td file format to allow for this to be represented better.
OS << "#ifndef DECL_CONTEXT\n";
@@ -166,3 +222,4 @@
OS << "#undef DECL_CONTEXT\n";
OS << "#undef DECL_CONTEXT_BASE\n";
}
+} // end namespace clang