[llvm-commits] [llvm] r103071 - in /llvm/trunk/utils/TableGen: CMakeLists.txt ClangASTNodesEmitter.cpp ClangASTNodesEmitter.h Makefile TableGen.cpp
Sean Hunt
rideau3 at gmail.com
Tue May 4 21:13:08 PDT 2010
Author: coppro
Date: Tue May 4 23:13:08 2010
New Revision: 103071
URL: http://llvm.org/viewvc/llvm-project?rev=103071&view=rev
Log:
Add an emitter to handle the list of clang statement nodes.
Added:
llvm/trunk/utils/TableGen/ClangASTNodesEmitter.cpp
llvm/trunk/utils/TableGen/ClangASTNodesEmitter.h
Modified:
llvm/trunk/utils/TableGen/CMakeLists.txt
llvm/trunk/utils/TableGen/Makefile
llvm/trunk/utils/TableGen/TableGen.cpp
Modified: llvm/trunk/utils/TableGen/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/CMakeLists.txt?rev=103071&r1=103070&r2=103071&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/CMakeLists.txt (original)
+++ llvm/trunk/utils/TableGen/CMakeLists.txt Tue May 4 23:13:08 2010
@@ -4,6 +4,7 @@
AsmWriterEmitter.cpp
AsmWriterInst.cpp
CallingConvEmitter.cpp
+ ClangASTNodesEmitter.cpp
ClangDiagnosticsEmitter.cpp
CodeEmitterGen.cpp
CodeGenDAGPatterns.cpp
Added: llvm/trunk/utils/TableGen/ClangASTNodesEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangASTNodesEmitter.cpp?rev=103071&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangASTNodesEmitter.cpp (added)
+++ llvm/trunk/utils/TableGen/ClangASTNodesEmitter.cpp Tue May 4 23:13:08 2010
@@ -0,0 +1,126 @@
+#include "ClangASTNodesEmitter.h"
+#include "Record.h"
+#include <vector>
+#include <stack>
+#include <string>
+#include <map>
+#include <utility>
+#include <clocale>
+using namespace llvm;
+
+//===----------------------------------------------------------------------===//
+// Statement Node Tables (.inc file) generation.
+//===----------------------------------------------------------------------===//
+
+// Sort to create a tree-like structure based on the 'Base' field.
+namespace {
+ // Create a macro-ized version of a name
+ std::string macroName(std::string S) {
+ for (unsigned i = 0; i < S.size(); ++i)
+ S[i] = std::toupper(S[i]);
+
+ return S;
+ }
+
+ // A map from a node to each of its derived nodes.
+ typedef std::multimap<Record*, Record*> ChildMap;
+ typedef ChildMap::const_iterator ChildIterator;
+
+ // Returns the first and last non-abstract subrecords
+ std::pair<Record *, Record *> EmitStmtNode(const ChildMap &Tree,
+ raw_ostream &OS, Record *Base) {
+ std::string BaseName = macroName(Base->getName());
+
+ ChildIterator i = Tree.lower_bound(Base), e = Tree.upper_bound(Base);
+
+ Record *First = 0, *Last = 0;
+ // This might be the pseudo-node for Stmt; don't assume it has an Abstract
+ // bit
+ if (Base->getValue("Abstract") && !Base->getValueAsBit("Abstract"))
+ First = Last = Base;
+
+ for (; i != e; ++i) {
+ Record *R = i->second;
+ bool Abstract = R->getValueAsBit("Abstract");
+ std::string NodeName = macroName(R->getName());
+
+ OS << "#ifndef " << NodeName << "\n";
+ OS << "# define " << NodeName << "(Type, Base) "
+ << BaseName << "(Type, Base)\n";
+ OS << "#endif\n";
+
+ if (Abstract)
+ OS << "ABSTRACT(" << NodeName << "(" << R->getName() << ", "
+ << Base->getName() << "))\n";
+ else
+ OS << NodeName << "(" << R->getName() << ", "
+ << Base->getName() << ")\n";
+
+ if (Tree.find(R) != Tree.end()) {
+ const std::pair<Record *, Record *> &Result = EmitStmtNode(Tree, OS, R);
+ if (!First && Result.first)
+ First = Result.first;
+ if (Result.second)
+ Last = Result.second;
+ } else {
+ if (!Abstract) {
+ Last = R;
+
+ if (!First)
+ First = R;
+ }
+ }
+
+ OS << "#undef " << NodeName << "\n\n";
+ }
+
+ assert(!First == !Last && "Got a first or last node, but not the other");
+
+ if (First) {
+ OS << "#ifndef FIRST_" << BaseName << "\n";
+ OS << "# define FIRST_" << BaseName << "(CLASS)\n";
+ OS << "#endif\n";
+ OS << "#ifndef LAST_" << BaseName << "\n";
+ OS << "# define LAST_" << BaseName << "(CLASS)\n";
+ OS << "#endif\n\n";
+
+ OS << "FIRST_" << BaseName << "(" << First->getName() << ")\n";
+ OS << "LAST_" << BaseName << "(" << Last->getName() << ")\n\n";
+ }
+
+ OS << "#undef FIRST_" << BaseName << "\n";
+ OS << "#undef LAST_" << BaseName << "\n\n";
+
+ return std::make_pair(First, Last);
+ }
+}
+
+void ClangStmtNodesEmitter::run(raw_ostream &OS) {
+ // Write the preamble
+ OS << "#ifndef ABSTRACT\n";
+ OS << "# define ABSTRACT(Stmt) Stmt\n";
+ OS << "#endif\n\n";
+
+ // Emit statements
+ const std::vector<Record*> Stmts = Records.getAllDerivedDefinitions("Stmt");
+
+ ChildMap Tree;
+
+ // Create a pseudo-record to serve as the Stmt node, which isn't actually
+ // output.
+ Record Stmt ("Stmt", SMLoc());
+
+ for (unsigned i = 0, e = Stmts.size(); i != e; ++i) {
+ Record *R = Stmts[i];
+
+ if (R->getValue("Base"))
+ Tree.insert(std::make_pair(R->getValueAsDef("Base"), R));
+ else
+ Tree.insert(std::make_pair(&Stmt, R));
+ }
+
+ EmitStmtNode(Tree, OS, &Stmt);
+
+ OS << "#undef STMT\n";
+ OS << "#undef ABSTRACT\n";
+}
\ No newline at end of file
Added: llvm/trunk/utils/TableGen/ClangASTNodesEmitter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/ClangASTNodesEmitter.h?rev=103071&view=auto
==============================================================================
--- llvm/trunk/utils/TableGen/ClangASTNodesEmitter.h (added)
+++ llvm/trunk/utils/TableGen/ClangASTNodesEmitter.h Tue May 4 23:13:08 2010
@@ -0,0 +1,36 @@
+//===- ClangDiagnosticsEmitter.h - Generate Clang diagnostics tables -*- C++ -*-
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These tablegen backends emit Clang diagnostics tables.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANGAST_EMITTER_H
+#define CLANGAST_EMITTER_H
+
+#include "TableGenBackend.h"
+
+namespace llvm {
+
+/// ClangStmtNodesEmitter - The top-level class emits .def files containing
+/// declarations of Clang statements.
+///
+class ClangStmtNodesEmitter : public TableGenBackend {
+ RecordKeeper &Records;
+public:
+ explicit ClangStmtNodesEmitter(RecordKeeper &R)
+ : Records(R) {}
+
+ // run - Output the .def file contents
+ void run(raw_ostream &OS);
+};
+
+} // End llvm namespace
+
+#endif
Modified: llvm/trunk/utils/TableGen/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/Makefile?rev=103071&r1=103070&r2=103071&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/Makefile (original)
+++ llvm/trunk/utils/TableGen/Makefile Tue May 4 23:13:08 2010
@@ -1,10 +1,10 @@
##===- utils/TableGen/Makefile -----------------------------*- Makefile -*-===##
-#
+#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
-#
+#
##===----------------------------------------------------------------------===##
LEVEL = ../..
Modified: llvm/trunk/utils/TableGen/TableGen.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/TableGen.cpp?rev=103071&r1=103070&r2=103071&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/TableGen.cpp (original)
+++ llvm/trunk/utils/TableGen/TableGen.cpp Tue May 4 23:13:08 2010
@@ -18,6 +18,7 @@
#include "AsmMatcherEmitter.h"
#include "AsmWriterEmitter.h"
#include "CallingConvEmitter.h"
+#include "ClangASTNodesEmitter.h"
#include "ClangDiagnosticsEmitter.h"
#include "CodeEmitterGen.h"
#include "DAGISelEmitter.h"
@@ -53,6 +54,7 @@
GenCallingConv,
GenClangDiagsDefs,
GenClangDiagGroups,
+ GenClangStmtNodes,
GenDAGISel,
GenFastISel,
GenOptParserDefs, GenOptParserImpl,
@@ -109,6 +111,8 @@
"Generate Clang diagnostics definitions"),
clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
"Generate Clang diagnostic groups"),
+ clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
+ "Generate Clang AST statement nodes"),
clEnumValN(GenLLVMCConf, "gen-llvmc",
"Generate LLVMC configuration library"),
clEnumValN(GenEDHeader, "gen-enhanced-disassembly-header",
@@ -133,7 +137,7 @@
cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix);
-
+
cl::opt<std::string>
ClangComponent("clang-component",
cl::desc("Only use warnings from specified component"),
@@ -160,18 +164,18 @@
std::string ErrorStr;
MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
if (F == 0) {
- errs() << "Could not open input file '" << Filename << "': "
+ errs() << "Could not open input file '" << Filename << "': "
<< ErrorStr <<"\n";
return true;
}
-
+
// Tell SrcMgr about this buffer, which is what TGParser will pick up.
SrcMgr.AddNewSourceBuffer(F, SMLoc());
// Record the location of the include directory so that the lexer can find
// it later.
SrcMgr.setIncludeDirs(IncludeDirs);
-
+
TGParser Parser(SrcMgr);
return Parser.ParseFile();
@@ -182,7 +186,7 @@
PrettyStackTraceProgram X(argc, argv);
cl::ParseCommandLineOptions(argc, argv);
-
+
// Parse the input file.
if (ParseFile(InputFilename, IncludeDirs, SrcMgr))
return 1;
@@ -193,7 +197,7 @@
Out = new raw_fd_ostream(OutputFilename.c_str(), Error);
if (!Error.empty()) {
- errs() << argv[0] << ": error opening " << OutputFilename
+ errs() << argv[0] << ": error opening " << OutputFilename
<< ":" << Error << "\n";
return 1;
}
@@ -244,6 +248,9 @@
case GenClangDiagGroups:
ClangDiagGroupsEmitter(Records).run(*Out);
break;
+ case GenClangStmtNodes:
+ ClangStmtNodesEmitter(Records).run(*Out);
+ break;
case GenDisassembler:
DisassemblerEmitter(Records).run(*Out);
break;
@@ -289,15 +296,15 @@
assert(1 && "Invalid Action");
return 1;
}
-
+
if (Out != &outs())
delete Out; // Close the file
return 0;
-
+
} catch (const TGError &Error) {
errs() << argv[0] << ": error:\n";
PrintError(Error.getLoc(), Error.getMessage());
-
+
} catch (const std::string &Error) {
errs() << argv[0] << ": " << Error << "\n";
} catch (const char *Error) {
@@ -305,7 +312,7 @@
} catch (...) {
errs() << argv[0] << ": Unknown unexpected exception occurred.\n";
}
-
+
if (Out != &outs()) {
delete Out; // Close the file
std::remove(OutputFilename.c_str()); // Remove the file, it's broken
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