Add a (progn)-like construct for (actions). Implemented as a DAG list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60658 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2008-12-07 16:42:22 +00:00
parent 15dcc2a15b
commit 08509493e5

View File

@ -802,11 +802,8 @@ void WalkCase(Init* Case, F1 TestCallback, F2 StatementCallback) {
/// CheckForSuperfluousOptions() to walk the 'case' DAG.
class ExtractOptionNames {
llvm::StringSet<>& OptionNames_;
public:
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
{}
void operator()(const Init* Statement) {
void processDag(const Init* Statement) {
const DagInit& Stmt = InitPtrToDag(Statement);
const std::string& ActionName = Stmt.getOperator()->getAsString();
if (ActionName == "forward" || ActionName == "forward_as" ||
@ -819,10 +816,26 @@ public:
}
else if (ActionName == "and" || ActionName == "or") {
for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
this->operator()(Stmt.getArg(i));
this->processDag(Stmt.getArg(i));
}
}
}
public:
ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
{}
void operator()(const Init* Statement) {
if (typeid(*Statement) == typeid(ListInit)) {
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
B != E; ++B)
this->processDag(*B);
}
else {
this->processDag(Statement);
}
}
};
/// CheckForSuperfluousOptions - Check that there are no side
@ -1185,12 +1198,9 @@ void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
/// EmitCaseConstructHandler().
class EmitActionHandler {
const OptionDescriptions& OptDescs;
public:
EmitActionHandler(const OptionDescriptions& OD)
: OptDescs(OD) {}
void operator()(const Init* Statement, const char* IndentLevel,
std::ostream& O) const
void processActionDag(const Init* Statement, const char* IndentLevel,
std::ostream& O) const
{
const DagInit& Dag = InitPtrToDag(Statement);
const std::string& ActionName = Dag.getOperator()->getAsString();
@ -1246,6 +1256,23 @@ class EmitActionHandler {
throw "Unknown action name: " + ActionName + "!";
}
}
public:
EmitActionHandler(const OptionDescriptions& OD)
: OptDescs(OD) {}
void operator()(const Init* Statement, const char* IndentLevel,
std::ostream& O) const
{
if (typeid(*Statement) == typeid(ListInit)) {
const ListInit& DagList = *static_cast<const ListInit*>(Statement);
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
B != E; ++B)
this->processActionDag(*B, IndentLevel, O);
}
else {
this->processActionDag(Statement, IndentLevel, O);
}
}
};
// EmitGenerateActionMethod - Emit one of two versions of the