From: Anders Carlsson <andersca@mac.com>
Date: Thu, 23 Aug 2007 15:25:28 +0000 (+0000)
Subject: Parse ObjC @protocol expressions.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=29b2cb1ff1a3dd78edd38e2f43ee7041d3e4ec3c;p=clang

Parse ObjC @protocol expressions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41320 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 4f4bdfe012..b1c5366197 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -634,9 +634,15 @@ Parser::ExprResult Parser::ParseObjCExpression() {
     case tok::string_literal:    // primary-expression: string-literal
     case tok::wide_string_literal:
       return ParseObjCStringLiteral();
+    default:
+      break;
+  }
+  
+  switch (Tok.getIdentifierInfo()->getObjCKeywordID()) {
     case tok::objc_encode:
       return ParseObjCEncodeExpression();
-      break;
+    case tok::objc_protocol:
+      return ParseObjCProtocolExpression();
     default:
       Diag(AtLoc, diag::err_unexpected_at);
       SkipUntil(tok::semi);
@@ -679,3 +685,36 @@ Parser::ExprResult Parser::ParseObjCEncodeExpression() {
   return Actions.ParseObjCEncodeExpression(EncLoc, LParenLoc, Ty, 
                                            ConsumeParen());
 }
+
+///     objc-protocol-expression
+///       @protocol ( protocol-name )
+
+Parser::ExprResult Parser::ParseObjCProtocolExpression()
+{
+  SourceLocation ProtoLoc = ConsumeToken();
+  
+  if (Tok.getKind() != tok::l_paren) {
+    Diag(Tok, diag::err_expected_lparen_after, "@protocol");
+    return true;
+  }
+  
+  SourceLocation LParenLoc = ConsumeParen();
+  
+  if (Tok.getKind() != tok::identifier) {
+    Diag(Tok, diag::err_expected_ident);
+    return true;
+  }
+
+  // FIXME: Do something with the protocol name
+  ConsumeToken();
+  
+  if (Tok.getKind() != tok::r_paren) {
+    Diag(Tok, diag::err_expected_rparen);
+    return true;
+  }
+  
+  ConsumeParen();
+
+  // FIXME 
+  return 0;
+}
diff --git a/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index 19e984ce33..7e38e051dd 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -206,7 +206,7 @@
 		1ABC36930C7A4BDC006DB0AB /* CGBuiltin.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CGBuiltin.cpp; path = CodeGen/CGBuiltin.cpp; sourceTree = "<group>"; };
 		84D9A8870C1A57E100AC7ABC /* AttributeList.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = AttributeList.cpp; path = Parse/AttributeList.cpp; sourceTree = "<group>"; };
 		84D9A88B0C1A581300AC7ABC /* AttributeList.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = AttributeList.h; path = clang/Parse/AttributeList.h; sourceTree = "<group>"; };
-		8DD76F6C0486A84900D96B5E /* clang */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = clang; sourceTree = BUILT_PRODUCTS_DIR; };
+		8DD76F6C0486A84900D96B5E /* clang */ = {isa = PBXFileReference; includeInIndex = 0; lastKnownFileType = "compiled.mach-o.executable"; path = clang; sourceTree = BUILT_PRODUCTS_DIR; };
 		DE01DA480B12ADA300AC22CE /* PPCallbacks.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = PPCallbacks.h; sourceTree = "<group>"; };
 		DE06756B0C051CFE00EBBFD8 /* ParseExprCXX.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = ParseExprCXX.cpp; path = Parse/ParseExprCXX.cpp; sourceTree = "<group>"; };
 		DE06B73D0A8307640050E87E /* LangOptions.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = LangOptions.h; sourceTree = "<group>"; };
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
index 90988791de..97c0ca1d45 100644
--- a/include/clang/Parse/Parser.h
+++ b/include/clang/Parse/Parser.h
@@ -336,6 +336,7 @@ private:
   ExprResult ParseObjCExpression();
   ExprResult ParseObjCStringLiteral();
   ExprResult ParseObjCEncodeExpression();
+  ExprResult ParseObjCProtocolExpression();
 
   //===--------------------------------------------------------------------===//
   // C99 6.8: Statements and Blocks.