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tblgen: Add support for non-inheritable attributes

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This patch makes the necessary changes to TableGen to support
non-inheritable attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123958 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2011-01-21 02:08:26 +00:00
parent 4c93a0f092
commit be111ef182
1 changed files with 47 additions and 12 deletions
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55
utils/TableGen/ClangAttrEmitter.cpp
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@ -462,8 +462,9 @@ void ClangAttrClassEmitter::run(raw_ostream &OS) {
for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
i != e; ++i) {
Record &R = **i;
const std::string &SuperName = R.getSuperClasses().back()->getName();
OS << "class " << R.getName() << "Attr : public Attr {\n";
OS << "class " << R.getName() << "Attr : public " << SuperName << " {\n";
std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args");
std::vector<Argument*> Args;
@ -494,7 +495,7 @@ void ClangAttrClassEmitter::run(raw_ostream &OS) {
}
OS << " )\n";
OS << " : Attr(attr::" << R.getName() << ", L)\n";
OS << " : " << SuperName << "(attr::" << R.getName() << ", L)\n";
for (ai = Args.begin(); ai != ae; ++ai) {
OS << " , ";
@ -558,6 +559,19 @@ void ClangAttrImplEmitter::run(raw_ostream &OS) {
}
}
static void EmitAttrList(raw_ostream &OS, StringRef Class,
const std::vector<Record*> &AttrList) {
std::vector<Record*>::const_iterator i = AttrList.begin(), e = AttrList.end();
if (i != e) {
// Move the end iterator back to emit the last attribute.
for(--e; i != e; ++i)
OS << Class << "(" << (*i)->getName() << ")\n";
OS << "LAST_" << Class << "(" << (*i)->getName() << ")\n\n";
}
}
void ClangAttrListEmitter::run(raw_ostream &OS) {
OS << "// This file is generated by TableGen. Do not edit.\n\n";
@ -565,24 +579,38 @@ void ClangAttrListEmitter::run(raw_ostream &OS) {
OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n";
OS << "#endif\n\n";
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
OS << "#ifndef INHERITABLE_ATTR\n";
OS << "#define INHERITABLE_ATTR(NAME) ATTR(NAME)\n";
OS << "#endif\n\n";
if (i != e) {
// Move the end iterator back to emit the last attribute.
for(--e; i != e; ++i)
OS << "ATTR(" << (*i)->getName() << ")\n";
OS << "#ifndef LAST_INHERITABLE_ATTR\n";
OS << "#define LAST_INHERITABLE_ATTR(NAME) INHERITABLE_ATTR(NAME)\n";
OS << "#endif\n\n";
OS << "LAST_ATTR(" << (*i)->getName() << ")\n\n";
Record *InhClass = Records.getClass("InheritableAttr");
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"),
NonInhAttrs, InhAttrs;
for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
i != e; ++i) {
if ((*i)->isSubClassOf(InhClass))
InhAttrs.push_back(*i);
else
NonInhAttrs.push_back(*i);
}
EmitAttrList(OS, "INHERITABLE_ATTR", InhAttrs);
EmitAttrList(OS, "ATTR", NonInhAttrs);
OS << "#undef LAST_ATTR\n";
OS << "#undef INHERITABLE_ATTR\n";
OS << "#undef LAST_INHERITABLE_ATTR\n";
OS << "#undef ATTR\n";
}
void ClangAttrPCHReadEmitter::run(raw_ostream &OS) {
OS << "// This file is generated by TableGen. Do not edit.\n\n";
Record *InhClass = Records.getClass("InheritableAttr");
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"),
ArgRecords;
std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae;
@ -596,6 +624,8 @@ void ClangAttrPCHReadEmitter::run(raw_ostream &OS) {
for (; i != e; ++i) {
Record &R = **i;
OS << " case attr::" << R.getName() << ": {\n";
if (R.isSubClassOf(InhClass))
OS << " bool isInherited = Record[Idx++];\n";
ArgRecords = R.getValueAsListOfDefs("Args");
Args.clear();
for (ai = ArgRecords.begin(), ae = ArgRecords.end(); ai != ae; ++ai) {
@ -609,6 +639,8 @@ void ClangAttrPCHReadEmitter::run(raw_ostream &OS) {
(*ri)->writePCHReadArgs(OS);
}
OS << ");\n";
if (R.isSubClassOf(InhClass))
OS << " cast<InheritableAttr>(New)->setInherited(isInherited);\n";
OS << " break;\n";
OS << " }\n";
}
@ -616,6 +648,7 @@ void ClangAttrPCHReadEmitter::run(raw_ostream &OS) {
}
void ClangAttrPCHWriteEmitter::run(raw_ostream &OS) {
Record *InhClass = Records.getClass("InheritableAttr");
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), Args;
std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae;
@ -627,9 +660,11 @@ void ClangAttrPCHWriteEmitter::run(raw_ostream &OS) {
Record &R = **i;
OS << " case attr::" << R.getName() << ": {\n";
Args = R.getValueAsListOfDefs("Args");
if (!Args.empty())
if (R.isSubClassOf(InhClass) || !Args.empty())
OS << " const " << R.getName() << "Attr *SA = cast<" << R.getName()
<< "Attr>(A);\n";
if (R.isSubClassOf(InhClass))
OS << " Record.push_back(SA->isInherited());\n";
for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai)
createArgument(**ai, R.getName())->writePCHWrite(OS);
OS << " break;\n";