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Add (hidden) TableGen command option '-clang-component' which specifies the

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component's warnings to process for '-gen-clang-diags-defs'.

Also, when the component is specified, generate a '#if' prologue at the top of
the generated .def file (to match the current files).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ted Kremenek 2009-03-13 22:53:41 +00:00
parent 04a847e706
commit 557f7f88ba
3 changed files with 42 additions and 11 deletions
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40
utils/TableGen/ClangDiagnosticsEmitter.cpp
View File

@ -22,8 +22,8 @@ typedef std::vector<Record*> RecordVector;
typedef std::vector<Record*> SuperClassVector; typedef std::vector<Record*> SuperClassVector;
typedef std::vector<RecordVal> RecordValVector; typedef std::vector<RecordVal> RecordValVector;
static const RecordVal* findRecordVal(const RecordValVector& Vals, static const RecordVal* findRecordVal(const Record& R, const std::string &key) {
const std::string &key) { const RecordValVector &Vals = R.getValues();
for (RecordValVector::const_iterator I=Vals.begin(), E=Vals.end(); I!=E; ++I) for (RecordValVector::const_iterator I=Vals.begin(), E=Vals.end(); I!=E; ++I)
if ((*I).getName() == key) if ((*I).getName() == key)
return &*I; return &*I;
@ -49,6 +49,11 @@ static void EmitEscaped(std::ostream& OS, const std::string &s) {
} }
} }
static void EmitAllCaps(std::ostream& OS, const std::string &s) {
for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
OS << char(toupper(*I));
}
static void ProcessDiag(std::ostream& OS, const Record* DiagClass, static void ProcessDiag(std::ostream& OS, const Record* DiagClass,
const Record& R) { const Record& R) {
@ -57,12 +62,9 @@ static void ProcessDiag(std::ostream& OS, const Record* DiagClass,
return; return;
OS << "DIAG(" << R.getName() << ", "; OS << "DIAG(" << R.getName() << ", ";
EmitAllCaps(OS, DiagKind->getName());
const std::string &s = DiagKind->getName(); const RecordVal* Text = findRecordVal(R, "Text");
for (std::string::const_iterator I=s.begin(), E=s.end(); I!=E; ++I)
OS << char(toupper(*I));
const RecordVal* Text = findRecordVal(R.getValues(), "Text");
assert(Text && "No 'Text' entry in Diagnostic."); assert(Text && "No 'Text' entry in Diagnostic.");
const StringInit* TextVal = dynamic_cast<const StringInit*>(Text->getValue()); const StringInit* TextVal = dynamic_cast<const StringInit*>(Text->getValue());
assert(TextVal && "Value 'Text' must be a string."); assert(TextVal && "Value 'Text' must be a string.");
@ -77,8 +79,30 @@ void ClangDiagsDefsEmitter::run(std::ostream &OS) {
const Record* DiagClass = Records.getClass("Diagnostic"); const Record* DiagClass = Records.getClass("Diagnostic");
assert(DiagClass && "No Diagnostic class defined."); assert(DiagClass && "No Diagnostic class defined.");
// Write the #if guard
if (!Component.empty()) {
OS << "#ifdef ";
EmitAllCaps(OS, Component);
OS << "START\n__";
EmitAllCaps(OS, Component);
OS << "START = DIAG_START_";
EmitAllCaps(OS, Component);
OS << ",\n#undef ";
EmitAllCaps(OS, Component);
OS << "START\n#endif\n";
}
for (RecordVector::const_iterator I=Diags.begin(), E=Diags.end(); I!=E; ++I) { for (RecordVector::const_iterator I=Diags.begin(), E=Diags.end(); I!=E; ++I) {
// FIXME: Compare the component. if (!Component.empty()) {
const RecordVal* V = findRecordVal(**I, "Component");
if (!V)
continue;
const StringInit* SV = dynamic_cast<const StringInit*>(V->getValue());
if (SV->getValue() != Component)
continue;
}
ProcessDiag(OS, DiagClass, **I); ProcessDiag(OS, DiagClass, **I);
} }
} }

4
utils/TableGen/ClangDiagnosticsEmitter.h
View File

@ -23,8 +23,10 @@ namespace llvm {
/// ///
class ClangDiagsDefsEmitter : public TableGenBackend { class ClangDiagsDefsEmitter : public TableGenBackend {
RecordKeeper &Records; RecordKeeper &Records;
const std::string& Component;
public: public:
explicit ClangDiagsDefsEmitter(RecordKeeper &R) : Records(R) {} explicit ClangDiagsDefsEmitter(RecordKeeper &R, const std::string& component)
: Records(R), Component(component) {}
// run - Output the .def file contents // run - Output the .def file contents
void run(std::ostream &OS); void run(std::ostream &OS);

7
utils/TableGen/TableGen.cpp
View File

@ -110,6 +110,11 @@ namespace {
cl::list<std::string> cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"), IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix); cl::value_desc("directory"), cl::Prefix);
cl::opt<std::string>
ClangComponent("clang-component",
cl::desc("Only use warnings from specified component"),
cl::value_desc("component"), cl::Hidden);
} }
@ -202,7 +207,7 @@ int main(int argc, char **argv) {
AsmWriterEmitter(Records).run(*Out); AsmWriterEmitter(Records).run(*Out);
break; break;
case GenClangDiagsDefs: case GenClangDiagsDefs:
ClangDiagsDefsEmitter(Records).run(*Out); ClangDiagsDefsEmitter(Records, ClangComponent).run(*Out);
break; break;
case GenDAGISel: case GenDAGISel:
DAGISelEmitter(Records).run(*Out); DAGISelEmitter(Records).run(*Out);