Add an 'init' option property.
Makes possible to provide default values for options defined in plugins (same as
cl::init).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74905 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index b1fdc4f..b27ac43 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -187,11 +187,12 @@
unsigned Flags;
std::string Help;
unsigned MultiVal;
+ Init* InitVal;
OptionDescription(OptionType::OptionType t = OptionType::Switch,
const std::string& n = "",
const std::string& h = DefaultHelpString)
- : Type(t), Name(n), Flags(0x0), Help(h), MultiVal(1)
+ : Type(t), Name(n), Flags(0x0), Help(h), MultiVal(1), InitVal(0)
{}
/// GenTypeDeclaration - Returns the C++ variable type of this
@@ -447,6 +448,7 @@
AddHandler("extern", &CollectOptionProperties::onExtern);
AddHandler("help", &CollectOptionProperties::onHelp);
AddHandler("hidden", &CollectOptionProperties::onHidden);
+ AddHandler("init", &CollectOptionProperties::onInit);
AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
@@ -490,6 +492,20 @@
optDesc_.setRequired();
}
+ void onInit (const DagInit* d) {
+ checkNumberOfArguments(d, 1);
+ Init* i = d->getArg(0);
+ const std::string& str = i->getAsString();
+
+ bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
+ correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
+
+ if (!correct)
+ throw std::string("Incorrect usage of the 'init' option property!");
+
+ optDesc_.InitVal = i;
+ }
+
void onOneOrMore (const DagInit* d) {
checkNumberOfArguments(d, 0);
if (optDesc_.isRequired() || optDesc_.isZeroOrOne())
@@ -1716,7 +1732,12 @@
}
if (val.MultiVal > 1)
- O << ", cl::multi_val(" << val.MultiVal << ")";
+ O << ", cl::multi_val(" << val.MultiVal << ')';
+
+ if (val.InitVal) {
+ const std::string& str = val.InitVal->getAsString();
+ O << ", cl::init(" << str << ')';
+ }
if (!val.Help.empty())
O << ", cl::desc(\"" << val.Help << "\")";