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-rw-r--r--clang/utils/TableGen/ClangAttrEmitter.cpp138
-rw-r--r--clang/utils/TableGen/TableGen.cpp19
-rw-r--r--clang/utils/TableGen/TableGenBackends.h1
3 files changed, 140 insertions, 18 deletions
diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index fdc4904f3c2..e217d69c132 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -13,6 +13,7 @@
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/SmallSet.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
#include "llvm/TableGen/TableGenBackend.h"
@@ -95,11 +96,12 @@ namespace {
class Argument {
std::string lowerName, upperName;
StringRef attrName;
+ bool isOpt;
public:
Argument(Record &Arg, StringRef Attr)
: lowerName(Arg.getValueAsString("Name")), upperName(lowerName),
- attrName(Attr) {
+ attrName(Attr), isOpt(false) {
if (!lowerName.empty()) {
lowerName[0] = std::tolower(lowerName[0]);
upperName[0] = std::toupper(upperName[0]);
@@ -111,6 +113,9 @@ namespace {
StringRef getUpperName() const { return upperName; }
StringRef getAttrName() const { return attrName; }
+ bool isOptional() const { return isOpt; }
+ void setOptional(bool set) { isOpt = set; }
+
// These functions print the argument contents formatted in different ways.
virtual void writeAccessors(raw_ostream &OS) const = 0;
virtual void writeAccessorDefinitions(raw_ostream &OS) const {}
@@ -119,6 +124,7 @@ namespace {
virtual void writeTemplateInstantiation(raw_ostream &OS) const {}
virtual void writeCtorBody(raw_ostream &OS) const {}
virtual void writeCtorInitializers(raw_ostream &OS) const = 0;
+ virtual void writeCtorDefaultInitializers(raw_ostream &OS) const = 0;
virtual void writeCtorParameters(raw_ostream &OS) const = 0;
virtual void writeDeclarations(raw_ostream &OS) const = 0;
virtual void writePCHReadArgs(raw_ostream &OS) const = 0;
@@ -154,6 +160,9 @@ namespace {
void writeCtorInitializers(raw_ostream &OS) const {
OS << getLowerName() << "(" << getUpperName() << ")";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "()";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << type << " " << getUpperName();
}
@@ -246,6 +255,9 @@ namespace {
<< getLowerName() << "(new (Ctx, 1) char[" << getLowerName()
<< "Length])";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "Length(0)," << getLowerName() << "(0)";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << "llvm::StringRef " << getUpperName();
}
@@ -347,6 +359,9 @@ namespace {
void writeCtorInitializers(raw_ostream &OS) const {
OS << "is" << getLowerName() << "Expr(Is" << getUpperName() << "Expr)";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << "is" << getLowerName() << "Expr(false)";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << "bool Is" << getUpperName() << "Expr, void *" << getUpperName();
}
@@ -440,6 +455,9 @@ namespace {
<< getLowerName() << "(new (Ctx, 16) " << getType() << "["
<< getLowerName() << "Size])";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "Size(0), " << getLowerName() << "(0)";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << getType() << " *" << getUpperName() << ", unsigned "
<< getUpperName() << "Size";
@@ -520,6 +538,9 @@ namespace {
void writeCtorInitializers(raw_ostream &OS) const {
OS << getLowerName() << "(" << getUpperName() << ")";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "(" << type << "(0))";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << type << " " << getUpperName();
}
@@ -590,6 +611,9 @@ namespace {
void writeCtorInitializers(raw_ostream &OS) const {
OS << getLowerName() << "(" << getUpperName() << ")";
}
+ void writeCtorDefaultInitializers(raw_ostream &OS) const {
+ OS << getLowerName() << "()";
+ }
void writeCtorParameters(raw_ostream &OS) const {
OS << "VersionTuple " << getUpperName();
}
@@ -738,6 +762,10 @@ static Argument *createArgument(Record &Arg, StringRef Attr,
break;
}
}
+
+ if (Ptr && Arg.getValueAsBit("Optional"))
+ Ptr->setOptional(true);
+
return Ptr;
}
@@ -926,10 +954,13 @@ void EmitClangAttrClass(RecordKeeper &Records, raw_ostream &OS) {
OS << "\n public:\n";
OS << " " << R.getName() << "Attr(SourceRange R, ASTContext &Ctx\n";
+ bool HasOpt = false;
for (ai = Args.begin(); ai != ae; ++ai) {
OS << " , ";
(*ai)->writeCtorParameters(OS);
OS << "\n";
+ if ((*ai)->isOptional())
+ HasOpt = true;
}
OS << " , ";
@@ -952,6 +983,41 @@ void EmitClangAttrClass(RecordKeeper &Records, raw_ostream &OS) {
}
OS << " }\n\n";
+ // If there are optional arguments, write out a constructor that elides the
+ // optional arguments as well.
+ if (HasOpt) {
+ OS << " " << R.getName() << "Attr(SourceRange R, ASTContext &Ctx\n";
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ if (!(*ai)->isOptional()) {
+ OS << " , ";
+ (*ai)->writeCtorParameters(OS);
+ OS << "\n";
+ }
+ }
+
+ OS << " , ";
+ OS << "unsigned SI = 0\n";
+
+ OS << " )\n";
+ OS << " : " << SuperName << "(attr::" << R.getName() << ", R, SI)\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ OS << " , ";
+ (*ai)->writeCtorDefaultInitializers(OS);
+ OS << "\n";
+ }
+
+ OS << " {\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ if (!(*ai)->isOptional()) {
+ (*ai)->writeCtorBody(OS);
+ OS << "\n";
+ }
+ }
+ OS << " }\n\n";
+ }
+
OS << " virtual " << R.getName() << "Attr *clone (ASTContext &C) const;\n";
OS << " virtual void printPretty(raw_ostream &OS,\n"
<< " const PrintingPolicy &Policy) const;\n";
@@ -1402,16 +1468,11 @@ void EmitClangAttrTemplateInstantiate(RecordKeeper &Records, raw_ostream &OS) {
<< "} // end namespace clang\n";
}
-// Emits the list of parsed attributes.
-void EmitClangAttrParsedAttrList(RecordKeeper &Records, raw_ostream &OS) {
- emitSourceFileHeader("List of all attributes that Clang recognizes", OS);
+typedef std::vector<std::pair<std::string, Record *> > ParsedAttrMap;
- OS << "#ifndef PARSED_ATTR\n";
- OS << "#define PARSED_ATTR(NAME) NAME\n";
- OS << "#endif\n\n";
-
+static ParsedAttrMap getParsedAttrList(const RecordKeeper &Records) {
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
-
+ ParsedAttrMap R;
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
I != E; ++I) {
Record &Attr = **I;
@@ -1428,16 +1489,69 @@ void EmitClangAttrParsedAttrList(RecordKeeper &Records, raw_ostream &OS) {
std::string AttrName = (*I)->getValueAsString("Name");
StringRef Spelling = NormalizeAttrName(AttrName);
-
- OS << "PARSED_ATTR(" << Spelling << ")\n";
+ R.push_back(std::make_pair(Spelling.str(), &Attr));
}
} else {
StringRef AttrName = Attr.getName();
AttrName = NormalizeAttrName(AttrName);
- OS << "PARSED_ATTR(" << AttrName << ")\n";
+ R.push_back(std::make_pair(AttrName.str(), *I));
}
}
}
+ return R;
+}
+
+// Emits the list of parsed attributes.
+void EmitClangAttrParsedAttrList(RecordKeeper &Records, raw_ostream &OS) {
+ emitSourceFileHeader("List of all attributes that Clang recognizes", OS);
+
+ OS << "#ifndef PARSED_ATTR\n";
+ OS << "#define PARSED_ATTR(NAME) NAME\n";
+ OS << "#endif\n\n";
+
+ ParsedAttrMap Names = getParsedAttrList(Records);
+ for (ParsedAttrMap::iterator I = Names.begin(), E = Names.end(); I != E;
+ ++I) {
+ OS << "PARSED_ATTR(" << I->first << ")\n";
+ }
+}
+
+static void emitArgInfo(const Record &R, raw_ostream &OS) {
+ // This function will count the number of arguments specified for the
+ // attribute and emit the number of required arguments followed by the
+ // number of optional arguments.
+ std::vector<Record *> Args = R.getValueAsListOfDefs("Args");
+ unsigned ArgCount = 0, OptCount = 0;
+ for (std::vector<Record *>::const_iterator I = Args.begin(), E = Args.end();
+ I != E; ++I) {
+ const Record &Arg = **I;
+ Arg.getValueAsBit("Optional") ? ++OptCount : ++ArgCount;
+ }
+ OS << ArgCount << ", " << OptCount;
+}
+
+/// Emits the parsed attribute helpers
+void EmitClangAttrParsedAttrImpl(RecordKeeper &Records, raw_ostream &OS) {
+ emitSourceFileHeader("Parsed attribute helpers", OS);
+
+ ParsedAttrMap Attrs = getParsedAttrList(Records);
+
+ OS << "static const ParsedAttrInfo AttrInfoMap[AttributeList::UnknownAttribute + 1] = {\n";
+ for (ParsedAttrMap::iterator I = Attrs.begin(), E = Attrs.end(); I != E;
+ ++I) {
+ // We need to generate struct instances based off ParsedAttrInfo from
+ // AttributeList.cpp.
+ OS << " { ";
+ emitArgInfo(*I->second, OS);
+ OS << ", " << I->second->getValueAsBit("HasCustomParsing");
+ OS << " }";
+
+ if (I + 1 != E)
+ OS << ",";
+
+ OS << " // AT_" << I->first << "\n";
+ }
+ OS << "};\n\n";
}
// Emits the kind list of parsed attributes
diff --git a/clang/utils/TableGen/TableGen.cpp b/clang/utils/TableGen/TableGen.cpp
index 429b6fb311c..e6c703fc665 100644
--- a/clang/utils/TableGen/TableGen.cpp
+++ b/clang/utils/TableGen/TableGen.cpp
@@ -34,6 +34,7 @@ enum ActionType {
GenClangAttrLateParsedList,
GenClangAttrTemplateInstantiate,
GenClangAttrParsedAttrList,
+ GenClangAttrParsedAttrImpl,
GenClangAttrParsedAttrKinds,
GenClangAttrDump,
GenClangDiagsDefs,
@@ -81,12 +82,15 @@ cl::opt<ActionType> Action(
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(GenClangAttrParsedAttrKinds,
- "gen-clang-attr-parsed-attr-kinds",
- "Generate a clang parsed attribute kinds"),
+ 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",
@@ -167,6 +171,9 @@ bool ClangTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
case GenClangAttrParsedAttrList:
EmitClangAttrParsedAttrList(Records, OS);
break;
+ case GenClangAttrParsedAttrImpl:
+ EmitClangAttrParsedAttrImpl(Records, OS);
+ break;
case GenClangAttrParsedAttrKinds:
EmitClangAttrParsedAttrKinds(Records, OS);
break;
diff --git a/clang/utils/TableGen/TableGenBackends.h b/clang/utils/TableGen/TableGenBackends.h
index b641732b810..d95d0afff11 100644
--- a/clang/utils/TableGen/TableGenBackends.h
+++ b/clang/utils/TableGen/TableGenBackends.h
@@ -40,6 +40,7 @@ void EmitClangAttrSpellingListIndex(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrLateParsedList(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrTemplateInstantiate(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrParsedAttrList(RecordKeeper &Records, raw_ostream &OS);
+void EmitClangAttrParsedAttrImpl(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrParsedAttrKinds(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrDump(RecordKeeper &Records, raw_ostream &OS);
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