forked from OSchip/llvm-project
Collect all the preamble code and don't insert it until the end.
llvm-svn: 48899
This commit is contained in:
Steve Naroff
parent
276278e5d2
commit
00a317694b
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@ -45,6 +45,7 @@ namespace {
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unsigned MainFileID;
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const char *MainFileStart, *MainFileEnd;
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SourceLocation LastIncLoc;
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llvm::SmallVector<ObjCImplementationDecl *, 8> ClassImplementation;
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llvm::SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation;
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llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs;
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@ -85,6 +86,8 @@ namespace {
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std::ostream &OutFile;
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std::string Preamble;
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static const int OBJC_ABI_VERSION =7 ;
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public:
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void Initialize(ASTContext &context);
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@ -112,9 +115,10 @@ namespace {
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0, 0, &Range, 1);
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}
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void InsertText(SourceLocation Loc, const char *StrData, unsigned StrLen) {
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void InsertText(SourceLocation Loc, const char *StrData, unsigned StrLen,
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bool InsertAfter = true) {
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// If insertion succeeded or warning disabled return with no warning.
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if (!Rewrite.InsertText(Loc, StrData, StrLen) ||
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if (!Rewrite.InsertText(Loc, StrData, StrLen, InsertAfter) ||
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SilenceRewriteMacroWarning)
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return;
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@ -286,84 +290,75 @@ void RewriteTest::Initialize(ASTContext &context) {
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const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID);
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MainFileStart = MainBuf->getBufferStart();
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MainFileEnd = MainBuf->getBufferEnd();
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Rewrite.setSourceMgr(Context->getSourceManager());
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// declaring objc_selector outside the parameter list removes a silly
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// scope related warning...
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std::string S = "#pragma once\n";
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S += "struct objc_selector; struct objc_class;\n";
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S += "#ifndef OBJC_SUPER\n";
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S += "struct objc_super { struct objc_object *object; ";
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S += "struct objc_object *superClass; ";
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if (IsHeader)
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Preamble = "#pragma once\n";
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Preamble += "struct objc_selector; struct objc_class;\n";
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Preamble += "#ifndef OBJC_SUPER\n";
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Preamble += "struct objc_super { struct objc_object *object; ";
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Preamble += "struct objc_object *superClass; ";
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if (LangOpts.Microsoft) {
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// Add a constructor for creating temporary objects.
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S += "objc_super(struct objc_object *o, struct objc_object *s) : ";
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S += "object(o), superClass(s) {} ";
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Preamble += "objc_super(struct objc_object *o, struct objc_object *s) : ";
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Preamble += "object(o), superClass(s) {} ";
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}
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S += "};\n";
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S += "#define OBJC_SUPER\n";
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S += "#endif\n";
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S += "#ifndef _REWRITER_typedef_Protocol\n";
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S += "typedef struct objc_object Protocol;\n";
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S += "#define _REWRITER_typedef_Protocol\n";
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S += "#endif\n";
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Preamble += "};\n";
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Preamble += "#define OBJC_SUPER\n";
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Preamble += "#endif\n";
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Preamble += "#ifndef _REWRITER_typedef_Protocol\n";
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Preamble += "typedef struct objc_object Protocol;\n";
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Preamble += "#define _REWRITER_typedef_Protocol\n";
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Preamble += "#endif\n";
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if (LangOpts.Microsoft)
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S += "extern \"C\" {\n";
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S += "struct objc_object *objc_msgSend";
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S += "(struct objc_object *, struct objc_selector *, ...);\n";
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S += "extern struct objc_object *objc_msgSendSuper";
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S += "(struct objc_super *, struct objc_selector *, ...);\n";
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S += "extern struct objc_object *objc_msgSend_stret";
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S += "(struct objc_object *, struct objc_selector *, ...);\n";
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S += "extern struct objc_object *objc_msgSendSuper_stret";
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S += "(struct objc_super *, struct objc_selector *, ...);\n";
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S += "extern struct objc_object *objc_msgSend_fpret";
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S += "(struct objc_object *, struct objc_selector *, ...);\n";
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S += "struct objc_object *objc_getClass";
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S += "(const char *);\n";
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S += "extern struct objc_object *objc_getMetaClass";
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S += "(const char *);\n";
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S += "extern void objc_exception_throw(struct objc_object *);\n";
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S += "extern void objc_exception_try_enter(void *);\n";
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S += "extern void objc_exception_try_exit(void *);\n";
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S += "extern struct objc_object *objc_exception_extract(void *);\n";
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S += "extern int objc_exception_match";
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S += "(struct objc_class *, struct objc_object *, ...);\n";
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S += "extern Protocol *objc_getProtocol(const char *);\n";
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Preamble += "extern \"C\" {\n";
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Preamble += "struct objc_object *objc_msgSend";
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Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
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Preamble += "extern struct objc_object *objc_msgSendSuper";
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Preamble += "(struct objc_super *, struct objc_selector *, ...);\n";
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Preamble += "extern struct objc_object *objc_msgSend_stret";
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Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
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Preamble += "extern struct objc_object *objc_msgSendSuper_stret";
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Preamble += "(struct objc_super *, struct objc_selector *, ...);\n";
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Preamble += "extern struct objc_object *objc_msgSend_fpret";
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Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
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Preamble += "struct objc_object *objc_getClass";
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Preamble += "(const char *);\n";
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Preamble += "extern struct objc_object *objc_getMetaClass";
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Preamble += "(const char *);\n";
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Preamble += "extern void objc_exception_throw(struct objc_object *);\n";
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Preamble += "extern void objc_exception_try_enter(void *);\n";
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Preamble += "extern void objc_exception_try_exit(void *);\n";
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Preamble += "extern struct objc_object *objc_exception_extract(void *);\n";
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Preamble += "extern int objc_exception_match";
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Preamble += "(struct objc_class *, struct objc_object *, ...);\n";
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Preamble += "extern Protocol *objc_getProtocol(const char *);\n";
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if (LangOpts.Microsoft)
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S += "} // end extern \"C\"\n";
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S += "#include <objc/objc.h>\n";
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S += "#ifndef __FASTENUMERATIONSTATE\n";
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S += "struct __objcFastEnumerationState {\n\t";
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S += "unsigned long state;\n\t";
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S += "id *itemsPtr;\n\t";
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S += "unsigned long *mutationsPtr;\n\t";
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S += "unsigned long extra[5];\n};\n";
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S += "#define __FASTENUMERATIONSTATE\n";
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S += "#endif\n";
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S += "#ifndef __NSCONSTANTSTRINGIMPL\n";
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S += "struct __NSConstantStringImpl {\n";
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S += " int *isa;\n";
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S += " int flags;\n";
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S += " char *str;\n";
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S += " long length;\n";
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S += "};\n";
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S += "extern int __CFConstantStringClassReference[];\n";
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S += "#define __NSCONSTANTSTRINGIMPL\n";
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S += "#endif\n";
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Preamble += "} // end extern \"C\"\n";
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Preamble += "#include <objc/objc.h>\n";
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Preamble += "#ifndef __FASTENUMERATIONSTATE\n";
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Preamble += "struct __objcFastEnumerationState {\n\t";
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Preamble += "unsigned long state;\n\t";
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Preamble += "id *itemsPtr;\n\t";
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Preamble += "unsigned long *mutationsPtr;\n\t";
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Preamble += "unsigned long extra[5];\n};\n";
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Preamble += "#define __FASTENUMERATIONSTATE\n";
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Preamble += "#endif\n";
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Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n";
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Preamble += "struct __NSConstantStringImpl {\n";
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Preamble += " int *isa;\n";
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Preamble += " int flags;\n";
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Preamble += " char *str;\n";
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Preamble += " long length;\n";
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Preamble += "};\n";
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Preamble += "extern int __CFConstantStringClassReference[];\n";
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Preamble += "#define __NSCONSTANTSTRINGIMPL\n";
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Preamble += "#endif\n";
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if (LangOpts.Microsoft)
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S += "#define __attribute__(X)\n";
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if (IsHeader) {
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// insert the whole string when rewriting a header file
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InsertText(SourceLocation::getFileLoc(MainFileID, 0), S.c_str(), S.size());
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}
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else {
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// Not rewriting header, exclude the #pragma once pragma
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const char *p = S.c_str() + strlen("#pragma once\n");
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InsertText(SourceLocation::getFileLoc(MainFileID, 0), p, strlen(p));
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}
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Preamble += "#define __attribute__(X)\n";
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}
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@ -442,6 +437,9 @@ RewriteTest::~RewriteTest() {
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RewriteInclude();
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InsertText(SourceLocation::getFileLoc(MainFileID, 0),
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Preamble.c_str(), Preamble.size(), false);
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// Rewrite Objective-c meta data*
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std::string ResultStr;
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RewriteImplementations(ResultStr);
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@ -1750,18 +1748,16 @@ Stmt *RewriteTest::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) {
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std::string S = "__NSConstantStringImpl_";
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S += utostr(NumObjCStringLiterals++);
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std::string StrObjDecl = "static __NSConstantStringImpl " + S;
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StrObjDecl += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,";
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StrObjDecl += "0x000007c8,"; // utf8_str
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Preamble += "static __NSConstantStringImpl " + S;
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Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,";
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Preamble += "0x000007c8,"; // utf8_str
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// The pretty printer for StringLiteral handles escape characters properly.
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std::ostringstream prettyBuf;
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Exp->getString()->printPretty(prettyBuf);
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StrObjDecl += prettyBuf.str();
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StrObjDecl += ",";
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Preamble += prettyBuf.str();
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Preamble += ",";
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// The minus 2 removes the begin/end double quotes.
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StrObjDecl += utostr(prettyBuf.str().size()-2) + "};\n";
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InsertText(SourceLocation::getFileLoc(MainFileID, 0),
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StrObjDecl.c_str(), StrObjDecl.size());
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Preamble += utostr(prettyBuf.str().size()-2) + "};\n";
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FileVarDecl *NewVD = FileVarDecl::Create(*Context, SourceLocation(),
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&Context->Idents.get(S.c_str()), strType,
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