[cfe-commits] r38853 - in /cfe/cfe/trunk: Parse/ParseStmt.cpp test/Parser/statements.c

[sabre at cs.uiuc.edu]

Author: sabre
Date: Wed Jul 11 11:25:12 2007
New Revision: 38853

URL: http://llvm.org/viewvc/llvm-project?rev=38853&view=rev
Log:
Add support for simple labels.

Modified:
    cfe/cfe/trunk/Parse/ParseStmt.cpp
    cfe/cfe/trunk/test/Parser/statements.c

Modified: cfe/cfe/trunk/Parse/ParseStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/cfe/trunk/Parse/ParseStmt.cpp?rev=38853&r1=38852&r2=38853&view=diff

==============================================================================
--- cfe/cfe/trunk/Parse/ParseStmt.cpp (original)
+++ cfe/cfe/trunk/Parse/ParseStmt.cpp Wed Jul 11 11:25:12 2007
@@ -169,10 +169,33 @@
 /// there is a ':' after it.  If there is, this is a label, regardless of what
 /// else the identifier can mean.  If not, this is either part of a declaration
 /// (if the identifier is a type-name) or part of an expression.
+///
+///       labeled-statement:
+///         identifier ':' statement
+///         declaration                  (if !OnlyStatement)
+///         expression[opt] ';'
+///
 void Parser::ParseIdentifierStatement(bool OnlyStatement) {
+  IdentifierInfo *II = Tok.getIdentifierInfo();
+  assert(Tok.getKind() == tok::identifier && II && "Not an identifier!");
+
+  ConsumeToken();  // eat the identifier.
   
-  assert(0);
+  // identifier ':' statement
+  if (Tok.getKind() == tok::colon) {
+    ConsumeToken();
+    ParseStatement();
+    return;
+  }
   
+  // declaration
+  if (!OnlyStatement && 0/*Is typedef name!*/) {
+    // Handle this.  Warn/disable if in middle of block and !C99.
+  }
+  
+  // Otherwise, this is an expression.
+  
+  assert(0);
 }
 
 /// ParseCaseStatement

Modified: cfe/cfe/trunk/test/Parser/statements.c
URL: http://llvm.org/viewvc/llvm-project/cfe/cfe/trunk/test/Parser/statements.c?rev=38853&r1=38852&r2=38853&view=diff

==============================================================================
--- cfe/cfe/trunk/test/Parser/statements.c (original)
+++ cfe/cfe/trunk/test/Parser/statements.c Wed Jul 11 11:25:12 2007
@@ -35,5 +35,5 @@
   
   int X;  // declaration in a block.
   
-  if (0);
+foo:  if (0);
 }