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More refactoring...

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84537 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2009-10-19 21:24:28 +00:00
parent 8514e21deb
commit ccef6dec0c
1 changed files with 55 additions and 46 deletions
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101
utils/TableGen/LLVMCConfigurationEmitter.cpp
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@ -1279,12 +1279,21 @@ public:
: Callback_(Callback), O_(O)
{}
// TODO: Handle lists here.
void operator() (const Init* Statement, unsigned IndentLevel) {
// Ignore nested 'case' DAG.
if (!(dynamic_cast<const DagInit*>(Statement) &&
GetOperatorName(static_cast<const DagInit*>(Statement)) == "case"))
Callback_(Statement, (IndentLevel + Indent1), O_);
GetOperatorName(static_cast<const DagInit*>(Statement)) == "case")) {
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)
Callback_(*B, (IndentLevel + Indent1), O_);
}
else {
Callback_(Statement, (IndentLevel + Indent1), O_);
}
}
O_.indent(IndentLevel) << "}\n";
}
@ -1602,10 +1611,33 @@ void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
}
}
/// EmitActionHandler - Emit code that handles actions. Used by
/// EmitGenerateActionMethod() as an argument to
/// EmitCaseConstructHandler().
class EmitActionHandler {
/// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
/// EmitPreprocessOptionsCallback.
struct ActionHandlingCallbackBase {
void onErrorDag(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const
{
O.indent(IndentLevel)
<< "throw std::runtime_error(\"" <<
(d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0))
: "Unknown error!")
<< "\");\n";
}
void onWarningDag(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const
{
checkNumberOfArguments(&d, 1);
O.indent(IndentLevel) << "llvm::errs() << \""
<< InitPtrToString(d.getArg(0)) << "\";\n";
}
};
/// EmitActionHandlersCallback - Emit code that handles actions. Used by
/// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
class EmitActionHandlersCallback : ActionHandlingCallbackBase {
const OptionDescriptions& OptDescs;
void processActionDag(const Init* Statement, unsigned IndentLevel,
@ -1625,10 +1657,10 @@ class EmitActionHandler {
O.indent(IndentLevel) << "vec.push_back(\"" << *B << "\");\n";
}
else if (ActionName == "error") {
O.indent(IndentLevel) << "throw std::runtime_error(\"" <<
(Dag.getNumArgs() >= 1 ? InitPtrToString(Dag.getArg(0))
: "Unknown error!")
<< "\");\n";
this->onErrorDag(Dag, IndentLevel, O);
}
else if (ActionName == "warning") {
this->onWarningDag(Dag, IndentLevel, O);
}
else if (ActionName == "forward") {
checkNumberOfArguments(&Dag, 1);
@ -1682,21 +1714,13 @@ class EmitActionHandler {
}
}
public:
EmitActionHandler(const OptionDescriptions& OD)
EmitActionHandlersCallback(const OptionDescriptions& OD)
: OptDescs(OD) {}
void operator()(const Init* Statement, unsigned IndentLevel,
raw_ostream& O) const
void operator()(const Init* Statement,
unsigned IndentLevel, raw_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);
}
this->processActionDag(Statement, IndentLevel, O);
}
};
@ -1791,7 +1815,7 @@ void EmitGenerateActionMethod (const ToolDescription& D,
// For every understood option, emit handling code.
if (D.Actions)
EmitCaseConstructHandler(D.Actions, Indent2, EmitActionHandler(OptDescs),
EmitCaseConstructHandler(D.Actions, Indent2, EmitActionHandlersCallback(OptDescs),
false, OptDescs, O);
O << '\n';
@ -2009,9 +2033,9 @@ void EmitOptionDefinitions (const OptionDescriptions& descs,
O << '\n';
}
/// PreprocessOptionsCallback - Helper function passed to
/// EmitPreprocessOptionsCallback - Helper function passed to
/// EmitCaseConstructHandler() by EmitPreprocessOptions().
class PreprocessOptionsCallback {
class EmitPreprocessOptionsCallback : ActionHandlingCallbackBase {
const OptionDescriptions& OptDescs_;
void onUnsetOption(Init* i, unsigned IndentLevel, raw_ostream& O) {
@ -2037,18 +2061,11 @@ class PreprocessOptionsCallback {
const DagInit& d = InitPtrToDag(I);
const std::string& OpName = GetOperatorName(d);
// TOFIX: there is some duplication between this function and
// EmitActionHandler.
if (OpName == "warning") {
checkNumberOfArguments(&d, 1);
O.indent(IndentLevel) << "llvm::errs() << \""
<< InitPtrToString(d.getArg(0)) << "\";\n";
this->onWarningDag(d, IndentLevel, O);
}
else if (OpName == "error") {
checkNumberOfArguments(&d, 1);
O.indent(IndentLevel) << "throw std::runtime_error(\""
<< InitPtrToString(d.getArg(0))
<< "\");\n";
this->onWarningDag(d, IndentLevel, O);
}
else if (OpName == "unset_option") {
checkNumberOfArguments(&d, 1);
@ -2071,20 +2088,11 @@ class PreprocessOptionsCallback {
public:
// TODO: Remove duplication.
void operator()(const Init* I, unsigned IndentLevel, raw_ostream& O) {
if (typeid(*I) == typeid(ListInit)) {
const ListInit& DagList = *static_cast<const ListInit*>(I);
for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
B != E; ++B)
this->processDag(*B, IndentLevel, O);
}
else {
this->processDag(I, IndentLevel, O);
}
}
PreprocessOptionsCallback(const OptionDescriptions& OptDescs)
EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
: OptDescs_(OptDescs)
{}
};
@ -2101,7 +2109,8 @@ void EmitPreprocessOptions (const RecordKeeper& Records,
for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
E = OptionPreprocessors.end(); B!=E; ++B) {
DagInit* Case = (*B)->getValueAsDag("preprocessor");
EmitCaseConstructHandler(Case, Indent1, PreprocessOptionsCallback(OptDecs),
EmitCaseConstructHandler(Case, Indent1,
EmitPreprocessOptionsCallback(OptDecs),
false, OptDecs, O);
}