Add convenient helper to obtain list of ints
llvm-svn: 43993
diff --git a/llvm/utils/TableGen/Record.cpp b/llvm/utils/TableGen/Record.cpp
index 75583bb..4cba889 100644
--- a/llvm/utils/TableGen/Record.cpp
+++ b/llvm/utils/TableGen/Record.cpp
@@ -866,6 +866,25 @@
"' does not have an int initializer!";
}
+/// getValueAsListOfInts - This method looks up the specified field and returns
+/// its value as a vector of integers, throwing an exception if the field does
+/// not exist or if the value is not the right type.
+///
+std::vector<int>
+Record::getValueAsListOfInts(const std::string &FieldName) const {
+ ListInit *List = getValueAsListInit(FieldName);
+ std::vector<int> Ints;
+ for (unsigned i = 0; i < List->getSize(); i++) {
+ if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) {
+ Ints.push_back(II->getValue());
+ } else {
+ throw "Record `" + getName() + "', field `" + FieldName +
+ "' does not have a list of ints initializer!";
+ }
+ }
+ return Ints;
+}
+
/// getValueAsDef - This method looks up the specified field and returns its
/// value as a Record, throwing an exception if the field does not exist or if
/// the value is not the right type.