commit 74253736184c0717a0649922551bf9d8b6815651
author Douglas Gregor <dgregor@apple.com> Wed Nov 19 15:42:04 2008 +0000
committer Douglas Gregor <dgregor@apple.com> Wed Nov 19 15:42:04 2008 +0000
tree 49fde4054461edd0563407010d0c4619e2c7e8fa
parent 08b2c3743a29a2dddcf72e95f747760e213cdde7

Added operator overloading for unary operators, post-increment, and
post-decrement, including support for generating all of the built-in
operator candidates for these operators. 

C++ and C have different rules for the arguments to the builtin unary
'+' and '-'. Implemented both variants in Sema::ActOnUnaryOp.

In C++, pre-increment and pre-decrement return lvalues. Update
Expr::isLvalue accordingly.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59638 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Parse/ParseExpr.cpp

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 2b803d9..440393d 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -515,7 +515,7 @@
     SourceLocation SavedLoc = ConsumeToken();
     Res = ParseCastExpression(true);
     if (!Res.isInvalid)
-      Res = Actions.ActOnUnaryOp(SavedLoc, SavedKind, Res.Val);
+      Res = Actions.ActOnUnaryOp(CurScope, SavedLoc, SavedKind, Res.Val);
     return Res;
   }
   case tok::amp:           // unary-expression: '&' cast-expression
@@ -529,7 +529,7 @@
     SourceLocation SavedLoc = ConsumeToken();
     Res = ParseCastExpression(false);
     if (!Res.isInvalid)
-      Res = Actions.ActOnUnaryOp(SavedLoc, SavedKind, Res.Val);
+      Res = Actions.ActOnUnaryOp(CurScope, SavedLoc, SavedKind, Res.Val);
     return Res;
   }    
       
@@ -539,7 +539,7 @@
     SourceLocation SavedLoc = ConsumeToken();
     Res = ParseCastExpression(false);
     if (!Res.isInvalid)
-      Res = Actions.ActOnUnaryOp(SavedLoc, SavedKind, Res.Val);
+      Res = Actions.ActOnUnaryOp(CurScope, SavedLoc, SavedKind, Res.Val);
     return Res;
   }
   case tok::kw_sizeof:     // unary-expression: 'sizeof' unary-expression
@@ -724,8 +724,8 @@
     case tok::plusplus:    // postfix-expression: postfix-expression '++'
     case tok::minusminus:  // postfix-expression: postfix-expression '--'
       if (!LHS.isInvalid)
-        LHS = Actions.ActOnPostfixUnaryOp(Tok.getLocation(), Tok.getKind(),
-                                          LHS.Val);
+        LHS = Actions.ActOnPostfixUnaryOp(CurScope, Tok.getLocation(), 
+                                          Tok.getKind(), LHS.Val);
       ConsumeToken();
       break;
     }

lib/Parse/ParseStmt.cpp

diff --git a/lib/Parse/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index 49b8180..221ad90 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -386,7 +386,8 @@
         }
         
         // Add the __extension__ node to the AST.
-        Res = Actions.ActOnUnaryOp(ExtLoc, tok::kw___extension__, Res.Val);
+        Res = Actions.ActOnUnaryOp(CurScope, ExtLoc, tok::kw___extension__, 
+                                   Res.Val);
         if (Res.isInvalid)
           continue;