Patch to parse objective-c's @compatibility_alias directive.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41709 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 624932f..62149a0 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -41,7 +41,7 @@
case tok::objc_end:
return ParseObjCAtEndDeclaration(AtLoc);
case tok::objc_compatibility_alias:
- return ParseObjCAtAliasDeclaration();
+ return ParseObjCAtAliasDeclaration(AtLoc);
case tok::objc_synthesize:
return ParseObjCPropertySynthesize(AtLoc);
case tok::objc_dynamic:
@@ -762,8 +762,26 @@
return 0;
}
-Parser::DeclTy *Parser::ParseObjCAtAliasDeclaration() {
- assert(0 && "Unimp");
+
+/// compatibility-alias-decl:
+/// @compatibility_alias alias-name class-name ';'
+///
+Parser::DeclTy *Parser::ParseObjCAtAliasDeclaration(SourceLocation atLoc) {
+ assert(Tok.isObjCAtKeyword(tok::objc_compatibility_alias) &&
+ "ParseObjCAtAliasDeclaration(): Expected @compatibility_alias");
+ ConsumeToken(); // consume compatibility_alias
+ if (Tok.getKind() != tok::identifier) {
+ Diag(Tok, diag::err_expected_ident);
+ return 0;
+ }
+ ConsumeToken(); // consume alias-name
+ if (Tok.getKind() != tok::identifier) {
+ Diag(Tok, diag::err_expected_ident);
+ return 0;
+ }
+ ConsumeToken(); // consume class-name;
+ if (Tok.getKind() != tok::semi)
+ Diag(Tok, diag::err_expected_semi_after, "@synthesize");
return 0;
}