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Add a 'set_option' action for use in OptionPreprocessor.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91594 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov
2009-12-17 07:49:16 +00:00
parent 24723288a2
commit 994dbe0073
5 changed files with 111 additions and 42 deletions
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utils/TableGen/LLVMCConfigurationEmitter.cpp
+66 -18
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@@ -2303,11 +2303,32 @@ class EmitPreprocessOptionsCallback :
public HandlerTable<EmitPreprocessOptionsCallbackHandler>
{
typedef EmitPreprocessOptionsCallbackHandler Handler;
typedef void
(EmitPreprocessOptionsCallback::* HandlerImpl)
(const Init*, unsigned, raw_ostream&) const;
const OptionDescriptions& OptDescs_;
void onUnsetOptionStr(const Init* I,
unsigned IndentLevel, raw_ostream& O) const
void onListOrDag(HandlerImpl h,
const DagInit& d, unsigned IndentLevel, raw_ostream& O) const
{
checkNumberOfArguments(d, 1);
const Init* I = d.getArg(0);
// If I is a list, apply h to each element.
if (typeid(*I) == typeid(ListInit)) {
const ListInit& L = *static_cast<const ListInit*>(I);
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
((this)->*(h))(*B, IndentLevel, O);
}
// Otherwise, apply h to I.
else {
((this)->*(h))(I, IndentLevel, O);
}
}
void onUnsetOptionImpl(const Init* I,
unsigned IndentLevel, raw_ostream& O) const
{
const std::string& OptName = InitPtrToString(I);
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
@@ -2326,26 +2347,52 @@ class EmitPreprocessOptionsCallback :
}
}
void onUnsetOptionList(const ListInit& L,
unsigned IndentLevel, raw_ostream& O) const
{
for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
this->onUnsetOptionStr(*B, IndentLevel, O);
}
void onUnsetOption(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const
{
checkNumberOfArguments(d, 1);
Init* I = d.getArg(0);
this->onListOrDag(&EmitPreprocessOptionsCallback::onUnsetOptionImpl,
d, IndentLevel, O);
}
if (typeid(*I) == typeid(ListInit)) {
const ListInit& L = *static_cast<const ListInit*>(I);
this->onUnsetOptionList(L, IndentLevel, O);
}
else {
this->onUnsetOptionStr(I, IndentLevel, O);
}
void onSetParameter(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const {
checkNumberOfArguments(d, 2);
const std::string& OptName = InitPtrToString(d.getArg(0));
const std::string& Value = InitPtrToString(d.getArg(1));
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
if (OptDesc.isParameter())
O.indent(IndentLevel) << OptDesc.GenVariableName()
<< " = \"" << Value << "\";\n";
else
throw "Two-argument 'set_option' "
"can be only applied to parameter options!";
}
void onSetSwitch(const Init* I,
unsigned IndentLevel, raw_ostream& O) const {
const std::string& OptName = InitPtrToString(I);
const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
if (OptDesc.isSwitch())
O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
else
throw "One-argument 'set_option' can be only applied to switch options!";
}
void onSetOption(const DagInit& d,
unsigned IndentLevel, raw_ostream& O) const
{
checkNumberOfArguments(d, 1);
// Two arguments: (set_option "parameter", "value")
if (d.getNumArgs() > 1)
this->onSetParameter(d, IndentLevel, O);
// One argument: (set_option "switch")
// or (set_option ["switch1", "switch2", ...])
else
this->onListOrDag(&EmitPreprocessOptionsCallback::onSetSwitch,
d, IndentLevel, O);
}
public:
@@ -2357,6 +2404,7 @@ public:
AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
staticMembersInitialized_ = true;
}