Stage two of getting CFE top correct.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@39734 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseExprCXX.cpp b/Parse/ParseExprCXX.cpp
new file mode 100644
index 0000000..7048660
--- /dev/null
+++ b/Parse/ParseExprCXX.cpp
@@ -0,0 +1,78 @@
+//===--- ParseExprCXX.cpp - C++ Expression Parsing ------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Expression parsing implementation for C++.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Parse/Parser.h"
+using namespace clang;
+
+/// ParseCXXCasts - This handles the various ways to cast expressions to another
+/// type.
+///
+/// postfix-expression: [C++ 5.2p1]
+/// 'dynamic_cast' '<' type-name '>' '(' expression ')'
+/// 'static_cast' '<' type-name '>' '(' expression ')'
+/// 'reinterpret_cast' '<' type-name '>' '(' expression ')'
+/// 'const_cast' '<' type-name '>' '(' expression ')'
+///
+Parser::ExprResult Parser::ParseCXXCasts() {
+ tok::TokenKind Kind = Tok.getKind();
+ const char *CastName = 0; // For error messages
+
+ switch (Kind) {
+ default: assert(0 && "Unknown C++ cast!"); abort();
+ case tok::kw_const_cast: CastName = "const_cast"; break;
+ case tok::kw_dynamic_cast: CastName = "dynamic_cast"; break;
+ case tok::kw_reinterpret_cast: CastName = "reinterpret_cast"; break;
+ case tok::kw_static_cast: CastName = "static_cast"; break;
+ }
+
+ SourceLocation OpLoc = ConsumeToken();
+ SourceLocation LAngleBracketLoc = Tok.getLocation();
+
+ if (ExpectAndConsume(tok::less, diag::err_expected_less_after, CastName))
+ return ExprResult(true);
+
+ TypeTy *CastTy = ParseTypeName();
+ SourceLocation RAngleBracketLoc = Tok.getLocation();
+
+ if (ExpectAndConsume(tok::greater, diag::err_expected_greater)) {
+ Diag(LAngleBracketLoc, diag::err_matching, "<");
+ return ExprResult(true);
+ }
+
+ SourceLocation LParenLoc = Tok.getLocation(), RParenLoc;
+
+ if (Tok.getKind() != tok::l_paren) {
+ Diag(Tok, diag::err_expected_lparen_after, CastName);
+ return ExprResult(true);
+ }
+
+ ExprResult Result = ParseSimpleParenExpression(RParenLoc);
+
+ if (!Result.isInvalid)
+ Result = Actions.ParseCXXCasts(OpLoc, Kind,
+ LAngleBracketLoc, CastTy, RAngleBracketLoc,
+ LParenLoc, Result.Val, RParenLoc);
+
+ return Result;
+}
+
+/// ParseCXXBoolLiteral - This handles the C++ Boolean literals.
+///
+/// boolean-literal: [C++ 2.13.5]
+/// 'true'
+/// 'false'
+Parser::ExprResult Parser::ParseCXXBoolLiteral() {
+ tok::TokenKind Kind = Tok.getKind();
+ return Actions.ParseCXXBoolLiteral(ConsumeToken(), Kind);
+}