add a method for comparing to see if a value has a specified name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50465 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-04-30 03:55:40 +00:00
parent ea8650cddf
commit 12e6d20059
2 changed files with 11 additions and 0 deletions

View File

@ -95,6 +95,10 @@ public:
/// their end. This always returns a non-null pointer.
const char *getNameStart() const;
/// isName - Return true if this value has the name specified by the provided
/// nul terminated string.
bool isName(const char *N) const;
/// getNameLen - Return the length of the string, correctly handling nul
/// characters embedded into them.
unsigned getNameLen() const;

View File

@ -136,6 +136,13 @@ unsigned Value::getNameLen() const {
return Name ? Name->getKeyLength() : 0;
}
/// isName - Return true if this value has the name specified by the provided
/// nul terminated string.
bool Value::isName(const char *N) const {
unsigned InLen = strlen(N);
return InLen = getNameLen() && memcmp(getNameStart(), N, InLen) == 0;
}
std::string Value::getNameStr() const {
if (Name == 0) return "";