зеркало из https://github.com/microsoft/clang-1.git
Revert 170049 because it fails with an assertion on one of the spec2000 workloads.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170143 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -306,56 +306,6 @@ void DiagnosticRenderer::emitModuleBuildStack(const SourceManager &SM) {
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}
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}
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// Find the common parent for the beginning and end of the range.
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static void findCommonParent(SourceLocation &Begin, SourceLocation &End,
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const SourceManager *SM) {
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if (Begin.isInvalid() || End.isInvalid()) {
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Begin = End = SourceLocation();
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return;
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}
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FileID BeginFileID = SM->getFileID(Begin);
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FileID EndFileID = SM->getFileID(End);
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// First, crawl the expansion chain for the beginning of the range.
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llvm::SmallDenseMap<FileID, SourceLocation> BeginLocsMap;
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BeginLocsMap[BeginFileID] = Begin;
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while (Begin.isMacroID() && BeginFileID != EndFileID) {
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if (SM->isMacroArgExpansion(Begin)) {
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Begin = SM->getImmediateSpellingLoc(Begin);
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if (Begin.isMacroID())
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continue;
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Begin = SourceLocation();
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BeginFileID = FileID();
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break;
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}
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Begin = SM->getImmediateExpansionRange(Begin).first;
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BeginFileID = SM->getFileID(Begin);
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BeginLocsMap[BeginFileID] = Begin;
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}
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// Then, crawl the expansion chain for the end of the range.
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if (BeginFileID != EndFileID) {
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while (End.isMacroID() && !BeginLocsMap.count(EndFileID)) {
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if (SM->isMacroArgExpansion(End)) {
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End = SM->getImmediateSpellingLoc(End);
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if (End.isMacroID())
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continue;
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End = SourceLocation();
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EndFileID = FileID();
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break;
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}
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End = SM->getImmediateExpansionRange(End).second;
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EndFileID = SM->getFileID(End);
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}
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if (End.isMacroID()) {
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Begin = BeginLocsMap[EndFileID];
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BeginFileID = EndFileID;
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}
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}
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assert(Begin.isValid() == End.isValid());
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}
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// Helper function to fix up source ranges. It takes in an array of ranges,
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// and outputs an array of ranges where we want to draw the range highlighting
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// around the location specified by CaretLoc.
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@ -379,38 +329,40 @@ static void mapDiagnosticRanges(
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SourceLocation Begin = I->getBegin(), End = I->getEnd();
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bool IsTokenRange = I->isTokenRange();
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// Compute the common parent; we can't highlight a range where
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// the begin and end have different FileIDs.
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findCommonParent(Begin, End, SM);
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FileID BeginFileID = SM->getFileID(Begin);
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FileID EndFileID = SM->getFileID(End);
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while (Begin.isMacroID() && BeginFileID != CaretLocFileID) {
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if (SM->isMacroArgExpansion(Begin)) {
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// We have a macro argument; take the spelling loc, which is
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// a step closer to where the argument was written.
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Begin = SM->getImmediateSpellingLoc(Begin);
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End = SM->getImmediateSpellingLoc(End);
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BeginFileID = SM->getFileID(Begin);
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assert(BeginFileID == SM->getFileID(End));
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} else {
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// Take the next expansion in the expansion chain.
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Begin = SM->getImmediateExpansionRange(Begin).first;
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// Find the common parent for the beginning and end of the range.
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// First, crawl the expansion chain for the beginning of the range.
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llvm::SmallDenseMap<FileID, SourceLocation> BeginLocsMap;
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while (Begin.isMacroID() && BeginFileID != EndFileID) {
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BeginLocsMap[BeginFileID] = Begin;
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Begin = SM->getImmediateExpansionRange(Begin).first;
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BeginFileID = SM->getFileID(Begin);
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}
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// Then, crawl the expansion chain for the end of the range.
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if (BeginFileID != EndFileID) {
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while (End.isMacroID() && !BeginLocsMap.count(EndFileID)) {
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End = SM->getImmediateExpansionRange(End).second;
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// Compute the common parent again; the beginning and end might
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// come out of different macro expansions.
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findCommonParent(Begin, End, SM);
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BeginFileID = SM->getFileID(Begin);
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EndFileID = SM->getFileID(End);
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}
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if (End.isMacroID()) {
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Begin = BeginLocsMap[EndFileID];
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BeginFileID = EndFileID;
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}
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}
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// If this is the expansion of a macro argument, point the range at the
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// use of the argument in the definition of the macro, not the expansion.
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if (SM->isMacroArgExpansion(Begin)) {
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assert(SM->isMacroArgExpansion(End));
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Begin = End = SM->getImmediateExpansionRange(Begin).first;
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IsTokenRange = true;
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while (Begin.isMacroID() && BeginFileID != CaretLocFileID) {
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if (SM->isMacroArgExpansion(Begin)) {
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Begin = SM->getImmediateSpellingLoc(Begin);
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End = SM->getImmediateSpellingLoc(End);
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} else {
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Begin = SM->getImmediateExpansionRange(Begin).first;
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End = SM->getImmediateExpansionRange(End).second;
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}
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BeginFileID = SM->getFileID(Begin);
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}
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// Return the spelling location of the beginning and end of the range.
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@ -181,10 +181,10 @@ void foo_aa()
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}
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// CHECK: {{.*}}:180:21: warning: expression result unused
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// CHECK-NEXT: iequals(__LINE__, BARC(4,3,2,6,8), 8);
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// CHECK-NEXT: {{^ \^ ~}}
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// CHECK-NEXT: {{^ \^~~~~~~~~~~~~~~}}
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// CHECK-NEXT: {{.*}}:179:51: note: expanded from macro 'BARC'
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// CHECK-NEXT: #define /* */ BARC(c, /* */b, a, ...) (a+b+/* */c + __VA_ARGS__ +0)
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// CHECK-NEXT: {{^ \^}}
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// CHECK-NEXT: {{^ ~~~~~~~~~~ \^}}
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#define APPEND2(NUM, SUFF) -1 != NUM ## SUFF
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#define APPEND(NUM, SUFF) APPEND2(NUM, SUFF)
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@ -205,24 +205,3 @@ void foo_aa()
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// CHECK-NEXT: {{.*}}:189:31: note: expanded from macro 'APPEND2'
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// CHECK-NEXT: #define APPEND2(NUM, SUFF) -1 != NUM ## SUFF
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// CHECK-NEXT: {{^ ~~ \^ ~~~~~~~~~~~}}
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unsigned long strlen_test(const char *s);
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#define __darwin_obsz(object) __builtin_object_size (object, 1)
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#define sprintf2(str, ...) \
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__builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
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#define Cstrlen(a) strlen_test(a)
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#define Csprintf sprintf2
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void f(char* pMsgBuf, char* pKeepBuf) {
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Csprintf(pMsgBuf,"\nEnter minimum anagram length (2-%1d): ", Cstrlen(pKeepBuf));
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}
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// CHECK: {{.*}}:217:62: warning: format specifies type 'int' but the argument has type 'unsigned long'
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// CHECK-NEXT: Csprintf(pMsgBuf,"\nEnter minimum anagram length (2-%1d): ", Cstrlen(pKeepBuf));
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// CHECK-NEXT: {{^ ~~~ \^~~~~~~~~~~~~~~~~}}
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// CHECK-NEXT: {{^ %1ld}}
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// CHECK-NEXT: {{.*}}:214:21: note: expanded from macro 'Cstrlen'
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// CHECK-NEXT: #define Cstrlen(a) strlen_test(a)
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// CHECK-NEXT: {{^ \^}}
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// CHECK-NEXT: {{.*}}:213:56: note: expanded from macro 'sprintf2'
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// CHECK-NEXT: __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
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// CHECK-NEXT: {{^ \^}}
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