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Move some of the logic about classifying Objective-C methods into

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conventional categories into Basic and AST.  Update the self-init checker
to use this logic;  CFRefCountChecker is complicated enough that I didn't
want to touch it.

llvm-svn: 126817
This commit is contained in:
John McCall
2011-03-02 01:50:55 +00:00
parent 846ded2e53
commit b4526252db
10 changed files with 215 additions and 89 deletions
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50
clang/lib/Basic/IdentifierTable.cpp
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@@ -364,6 +364,56 @@ std::string Selector::getAsString() const {
return reinterpret_cast<MultiKeywordSelector *>(InfoPtr)->getName();
}
/// Interpreting the given string using the normal CamelCase
/// conventions, determine whether the given string starts with the
/// given "word", which is assumed to end in a lowercase letter.
static bool startsWithWord(llvm::StringRef name, llvm::StringRef word) {
if (name.size() < word.size()) return false;
return ((name.size() == word.size() ||
!islower(name[word.size()]))
&& name.startswith(word));
}
ObjCMethodFamily Selector::getMethodFamilyImpl(Selector sel) {
IdentifierInfo *first = sel.getIdentifierInfoForSlot(0);
if (!first) return OMF_None;
llvm::StringRef name = first->getName();
if (sel.isUnarySelector()) {
if (name == "autorelease") return OMF_autorelease;
if (name == "dealloc") return OMF_dealloc;
if (name == "release") return OMF_release;
if (name == "retain") return OMF_retain;
if (name == "retainCount") return OMF_retainCount;
}
// The other method families may begin with a prefix of underscores.
while (!name.empty() && name.front() == '_')
name = name.substr(1);
if (name.empty()) return OMF_None;
switch (name.front()) {
case 'a':
if (startsWithWord(name, "alloc")) return OMF_alloc;
break;
case 'c':
if (startsWithWord(name, "copy")) return OMF_copy;
break;
case 'i':
if (startsWithWord(name, "init")) return OMF_init;
break;
case 'm':
if (startsWithWord(name, "mutableCopy")) return OMF_mutableCopy;
break;
case 'n':
if (startsWithWord(name, "new")) return OMF_new;
break;
default:
break;
}
return OMF_None;
}
namespace {
struct SelectorTableImpl {