[ms-inline asm] The parsing of C++ identifiers is a task of the front-end parser,
not the asm parser. As such, begin moving the parsing logic in that direction.
This patch is just a temporary hack until the real frontend parser can be hooked
up. Part of rdar://13663589
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179882 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaStmtAsm.cpp b/lib/Sema/SemaStmtAsm.cpp
index 2190fc4..0ed0fd5 100644
--- a/lib/Sema/SemaStmtAsm.cpp
+++ b/lib/Sema/SemaStmtAsm.cpp
@@ -494,9 +494,40 @@
}
+// FIXME: Temporary hack until the frontend parser is hooked up to parse
+// variables.
+static bool isIdentifierChar(char c) {
+ return isalnum(c) || c == '_' || c == '$' || c == '.' || c == '@';
+}
+
+static void lexIdentifier(const char *&CurPtr) {
+ while (isIdentifierChar(*CurPtr))
+ ++CurPtr;
+}
+
+static StringRef parseIdentifier(StringRef Identifier) {
+ const char *StartPtr = Identifier.data(), *EndPtr, *CurPtr;
+ EndPtr = StartPtr + Identifier.size();
+ CurPtr = StartPtr;
+ while(CurPtr <= EndPtr) {
+ if (isIdentifierChar(*CurPtr))
+ lexIdentifier(CurPtr);
+ else if (CurPtr[0] == ':' && CurPtr[1] == ':')
+ CurPtr += 2;
+ else
+ break;
+ }
+ return StringRef(StartPtr, CurPtr - StartPtr);
+}
+
NamedDecl *Sema::LookupInlineAsmIdentifier(StringRef Name, SourceLocation Loc,
unsigned &Length, unsigned &Size,
unsigned &Type, bool &IsVarDecl) {
+ // FIXME: Temporary hack until the frontend parser is hooked up to parse
+ // variables.
+ StringRef ParsedName = parseIdentifier(Name);
+ assert (ParsedName == Name && "Identifier not parsed correctly!");
+
Length = 1;
Size = 0;
Type = 0;
