Move operator precedence calculation to new header

Thereby, it can be reused by clang-format and others.
Review: http://llvm-reviews.chandlerc.com/D229

llvm-svn: 170757

1 files changed, 0 insertions, 61 deletions

diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index b7705f8c0d3..52293369290 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -32,67 +32,6 @@
 #include "llvm/ADT/SmallVector.h"
 using namespace clang;
 
-/// \brief Return the precedence of the specified binary operator token.
-static prec::Level getBinOpPrecedence(tok::TokenKind Kind,
-                                      bool GreaterThanIsOperator,
-                                      bool CPlusPlus0x) {
-  switch (Kind) {
-  case tok::greater:
-    // C++ [temp.names]p3:
-    //   [...] When parsing a template-argument-list, the first
-    //   non-nested > is taken as the ending delimiter rather than a
-    //   greater-than operator. [...]
-    if (GreaterThanIsOperator)
-      return prec::Relational;
-    return prec::Unknown;
-
-  case tok::greatergreater:
-    // C++0x [temp.names]p3:
-    //
-    //   [...] Similarly, the first non-nested >> is treated as two
-    //   consecutive but distinct > tokens, the first of which is
-    //   taken as the end of the template-argument-list and completes
-    //   the template-id. [...]
-    if (GreaterThanIsOperator || !CPlusPlus0x)
-      return prec::Shift;
-    return prec::Unknown;
-
-  default:                        return prec::Unknown;
-  case tok::comma:                return prec::Comma;
-  case tok::equal:
-  case tok::starequal:
-  case tok::slashequal:
-  case tok::percentequal:
-  case tok::plusequal:
-  case tok::minusequal:
-  case tok::lesslessequal:
-  case tok::greatergreaterequal:
-  case tok::ampequal:
-  case tok::caretequal:
-  case tok::pipeequal:            return prec::Assignment;
-  case tok::question:             return prec::Conditional;
-  case tok::pipepipe:             return prec::LogicalOr;
-  case tok::ampamp:               return prec::LogicalAnd;
-  case tok::pipe:                 return prec::InclusiveOr;
-  case tok::caret:                return prec::ExclusiveOr;
-  case tok::amp:                  return prec::And;
-  case tok::exclaimequal:
-  case tok::equalequal:           return prec::Equality;
-  case tok::lessequal:
-  case tok::less:
-  case tok::greaterequal:         return prec::Relational;
-  case tok::lessless:             return prec::Shift;
-  case tok::plus:
-  case tok::minus:                return prec::Additive;
-  case tok::percent:
-  case tok::slash:
-  case tok::star:                 return prec::Multiplicative;
-  case tok::periodstar:
-  case tok::arrowstar:            return prec::PointerToMember;
-  }
-}
-
-
 /// \brief Simple precedence-based parser for binary/ternary operators.
 ///
 /// Note: we diverge from the C99 grammar when parsing the assignment-expression