teak-llvm/clang/utils/TableGen/TableGen.cpp
Aaron Ballman 2fbf99429a Reapplying r204952 a second time.
Clean up the __has_attribute implementation without modifying its behavior. 

Replaces the tablegen-driven AttrSpellings.inc, which lived in the lexing layer with AttrHasAttributeImpl.inc, which lives in the basic layer. Updates the preprocessor to call through to this new functionality which can take additional information into account (such as scopes and syntaxes).

Expose the ability for parts of the compiler to ask whether an attribute is supported for a given spelling (including scope), syntax, triple and language options.

llvm-svn: 205181
2014-03-31 13:14:44 +00:00

258 lines
9.4 KiB
C++

//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the main function for Clang's TableGen.
//
//===----------------------------------------------------------------------===//
#include "TableGenBackends.h" // Declares all backends.
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Main.h"
#include "llvm/TableGen/Record.h"
using namespace llvm;
using namespace clang;
enum ActionType {
GenClangAttrClasses,
GenClangAttrParserStringSwitches,
GenClangAttrImpl,
GenClangAttrList,
GenClangAttrPCHRead,
GenClangAttrPCHWrite,
GenClangAttrHasAttributeImpl,
GenClangAttrSpellingListIndex,
GenClangAttrASTVisitor,
GenClangAttrTemplateInstantiate,
GenClangAttrParsedAttrList,
GenClangAttrParsedAttrImpl,
GenClangAttrParsedAttrKinds,
GenClangAttrDump,
GenClangDiagsDefs,
GenClangDiagGroups,
GenClangDiagsIndexName,
GenClangCommentNodes,
GenClangDeclNodes,
GenClangStmtNodes,
GenClangSACheckers,
GenClangCommentHTMLTags,
GenClangCommentHTMLTagsProperties,
GenClangCommentHTMLNamedCharacterReferences,
GenClangCommentCommandInfo,
GenClangCommentCommandList,
GenArmNeon,
GenArmNeonSema,
GenArmNeonTest,
GenAttrDocs
};
namespace {
cl::opt<ActionType> Action(
cl::desc("Action to perform:"),
cl::values(
clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
"Generate clang attribute clases"),
clEnumValN(GenClangAttrParserStringSwitches,
"gen-clang-attr-parser-string-switches",
"Generate all parser-related attribute string switches"),
clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
"Generate clang attribute implementations"),
clEnumValN(GenClangAttrList, "gen-clang-attr-list",
"Generate a clang attribute list"),
clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
"Generate clang PCH attribute reader"),
clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
"Generate clang PCH attribute writer"),
clEnumValN(GenClangAttrHasAttributeImpl,
"gen-clang-attr-has-attribute-impl",
"Generate a clang attribute spelling list"),
clEnumValN(GenClangAttrSpellingListIndex,
"gen-clang-attr-spelling-index",
"Generate a clang attribute spelling index"),
clEnumValN(GenClangAttrASTVisitor,
"gen-clang-attr-ast-visitor",
"Generate a recursive AST visitor for clang attributes"),
clEnumValN(GenClangAttrTemplateInstantiate,
"gen-clang-attr-template-instantiate",
"Generate a clang template instantiate code"),
clEnumValN(GenClangAttrParsedAttrList,
"gen-clang-attr-parsed-attr-list",
"Generate a clang parsed attribute list"),
clEnumValN(GenClangAttrParsedAttrImpl,
"gen-clang-attr-parsed-attr-impl",
"Generate the clang parsed attribute helpers"),
clEnumValN(GenClangAttrParsedAttrKinds,
"gen-clang-attr-parsed-attr-kinds",
"Generate a clang parsed attribute kinds"),
clEnumValN(GenClangAttrDump, "gen-clang-attr-dump",
"Generate clang attribute dumper"),
clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
"Generate Clang diagnostics definitions"),
clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
"Generate Clang diagnostic groups"),
clEnumValN(GenClangDiagsIndexName, "gen-clang-diags-index-name",
"Generate Clang diagnostic name index"),
clEnumValN(GenClangCommentNodes, "gen-clang-comment-nodes",
"Generate Clang AST comment nodes"),
clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
"Generate Clang AST declaration nodes"),
clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
"Generate Clang AST statement nodes"),
clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
"Generate Clang Static Analyzer checkers"),
clEnumValN(GenClangCommentHTMLTags, "gen-clang-comment-html-tags",
"Generate efficient matchers for HTML tag "
"names that are used in documentation comments"),
clEnumValN(GenClangCommentHTMLTagsProperties,
"gen-clang-comment-html-tags-properties",
"Generate efficient matchers for HTML tag "
"properties"),
clEnumValN(GenClangCommentHTMLNamedCharacterReferences,
"gen-clang-comment-html-named-character-references",
"Generate function to translate named character "
"references to UTF-8 sequences"),
clEnumValN(GenClangCommentCommandInfo, "gen-clang-comment-command-info",
"Generate command properties for commands that "
"are used in documentation comments"),
clEnumValN(GenClangCommentCommandList, "gen-clang-comment-command-list",
"Generate list of commands that are used in "
"documentation comments"),
clEnumValN(GenArmNeon, "gen-arm-neon", "Generate arm_neon.h for clang"),
clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
"Generate ARM NEON sema support for clang"),
clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
"Generate ARM NEON tests for clang"),
clEnumValN(GenAttrDocs, "gen-attr-docs",
"Generate attribute documentation"),
clEnumValEnd));
cl::opt<std::string>
ClangComponent("clang-component",
cl::desc("Only use warnings from specified component"),
cl::value_desc("component"), cl::Hidden);
bool ClangTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
switch (Action) {
case GenClangAttrClasses:
EmitClangAttrClass(Records, OS);
break;
case GenClangAttrParserStringSwitches:
EmitClangAttrParserStringSwitches(Records, OS);
break;
case GenClangAttrImpl:
EmitClangAttrImpl(Records, OS);
break;
case GenClangAttrList:
EmitClangAttrList(Records, OS);
break;
case GenClangAttrPCHRead:
EmitClangAttrPCHRead(Records, OS);
break;
case GenClangAttrPCHWrite:
EmitClangAttrPCHWrite(Records, OS);
break;
case GenClangAttrHasAttributeImpl:
EmitClangAttrHasAttrImpl(Records, OS);
break;
case GenClangAttrSpellingListIndex:
EmitClangAttrSpellingListIndex(Records, OS);
break;
case GenClangAttrASTVisitor:
EmitClangAttrASTVisitor(Records, OS);
break;
case GenClangAttrTemplateInstantiate:
EmitClangAttrTemplateInstantiate(Records, OS);
break;
case GenClangAttrParsedAttrList:
EmitClangAttrParsedAttrList(Records, OS);
break;
case GenClangAttrParsedAttrImpl:
EmitClangAttrParsedAttrImpl(Records, OS);
break;
case GenClangAttrParsedAttrKinds:
EmitClangAttrParsedAttrKinds(Records, OS);
break;
case GenClangAttrDump:
EmitClangAttrDump(Records, OS);
break;
case GenClangDiagsDefs:
EmitClangDiagsDefs(Records, OS, ClangComponent);
break;
case GenClangDiagGroups:
EmitClangDiagGroups(Records, OS);
break;
case GenClangDiagsIndexName:
EmitClangDiagsIndexName(Records, OS);
break;
case GenClangCommentNodes:
EmitClangASTNodes(Records, OS, "Comment", "");
break;
case GenClangDeclNodes:
EmitClangASTNodes(Records, OS, "Decl", "Decl");
EmitClangDeclContext(Records, OS);
break;
case GenClangStmtNodes:
EmitClangASTNodes(Records, OS, "Stmt", "");
break;
case GenClangSACheckers:
EmitClangSACheckers(Records, OS);
break;
case GenClangCommentHTMLTags:
EmitClangCommentHTMLTags(Records, OS);
break;
case GenClangCommentHTMLTagsProperties:
EmitClangCommentHTMLTagsProperties(Records, OS);
break;
case GenClangCommentHTMLNamedCharacterReferences:
EmitClangCommentHTMLNamedCharacterReferences(Records, OS);
break;
case GenClangCommentCommandInfo:
EmitClangCommentCommandInfo(Records, OS);
break;
case GenClangCommentCommandList:
EmitClangCommentCommandList(Records, OS);
break;
case GenArmNeon:
EmitNeon(Records, OS);
break;
case GenArmNeonSema:
EmitNeonSema(Records, OS);
break;
case GenArmNeonTest:
EmitNeonTest(Records, OS);
break;
case GenAttrDocs:
EmitClangAttrDocs(Records, OS);
break;
}
return false;
}
}
int main(int argc, char **argv) {
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
cl::ParseCommandLineOptions(argc, argv);
return TableGenMain(argv[0], &ClangTableGenMain);
}
#ifdef __has_feature
#if __has_feature(address_sanitizer)
#include <sanitizer/lsan_interface.h>
// Disable LeakSanitizer for this binary as it has too many leaks that are not
// very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
int __lsan_is_turned_off() { return 1; }
#endif // __has_feature(address_sanitizer)
#endif // defined(__has_feature)