X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FTGLexer.h;h=8859479874020dfa75c1a1695150ddeb9caa8023;hb=505f3cd2965e65b6b7ad023eaba0e3dc89b67409;hp=0e67f680557dffd1ca96c8782391e50205e29d53;hpb=bb9d18c7d5dea146b2810de0a9bc3d21a1766a60;p=oota-llvm.git

diff --git a/utils/TableGen/TGLexer.h b/utils/TableGen/TGLexer.h
index 0e67f680557..88594798740 100644
--- a/utils/TableGen/TGLexer.h
+++ b/utils/TableGen/TGLexer.h
@@ -17,12 +17,14 @@
 #include "llvm/Support/DataTypes.h"
 #include <vector>
 #include <string>
-#include <iosfwd>
 #include <cassert>
 
 namespace llvm {
 class MemoryBuffer;
-  
+class SourceMgr;
+class SMLoc;
+class Twine;
+
 namespace tgtok {
   enum TokKind {
     // Markers
@@ -34,7 +36,7 @@ namespace tgtok {
     l_brace, r_brace,   // { }
     l_paren, r_paren,   // ( )
     less, greater,      // < >
-    colon, semi,        // ; :
+    colon, semi,        // : ;
     comma, period,      // , .
     equal, question,    // = ?
     
@@ -43,8 +45,9 @@ namespace tgtok {
     MultiClass, String,
     
     // !keywords.
-    XConcat, XSRA, XSRL, XSHL, XStrConcat,
-    
+    XConcat, XSRA, XSRL, XSHL, XStrConcat, XCast, XSubst,
+    XForEach, XHead, XTail, XEmpty, XIf, XEq,
+
     // Integer value.
     IntVal,
     
@@ -55,37 +58,24 @@ namespace tgtok {
 
 /// TGLexer - TableGen Lexer class.
 class TGLexer {
+  SourceMgr &SrcMgr;
+  
   const char *CurPtr;
-  unsigned CurLineNo;
-  MemoryBuffer *CurBuf;
+  const MemoryBuffer *CurBuf;
 
   // Information about the current token.
   const char *TokStart;
   tgtok::TokKind CurCode;
   std::string CurStrVal;  // This is valid for ID, STRVAL, VARNAME, CODEFRAGMENT
   int64_t CurIntVal;      // This is valid for INTVAL.
+
+  /// CurBuffer - This is the current buffer index we're lexing from as managed
+  /// by the SourceMgr object.
+  int CurBuffer;
   
-  /// IncludeRec / IncludeStack - This captures the current set of include
-  /// directives we are nested within.
-  struct IncludeRec {
-    MemoryBuffer *Buffer;
-    const char *CurPtr;
-    unsigned LineNo;
-    IncludeRec(MemoryBuffer *buffer, const char *curPtr, unsigned lineNo)
-      : Buffer(buffer), CurPtr(curPtr), LineNo(lineNo) {}
-  };
-  std::vector<IncludeRec> IncludeStack;
-  
-  // IncludeDirectories - This is the list of directories we should search for
-  // include files in.
-  std::vector<std::string> IncludeDirectories;
 public:
-  TGLexer(MemoryBuffer *StartBuf);
-  ~TGLexer();
-  
-  void setIncludeDirs(const std::vector<std::string> &Dirs) {
-    IncludeDirectories = Dirs;
-  }
+  TGLexer(SourceMgr &SrcMgr);
+  ~TGLexer() {}
   
   tgtok::TokKind Lex() {
     return CurCode = LexToken();
@@ -104,18 +94,16 @@ public:
     return CurIntVal;
   }
 
-  typedef const char* LocTy;
-  LocTy getLoc() const { return TokStart; }
+  SMLoc getLoc() const;
 
-  void PrintError(LocTy Loc, const std::string &Msg) const;
-  
-  void PrintIncludeStack(std::ostream &OS) const;
+  void PrintError(const char *Loc, const Twine &Msg) const;
+  void PrintError(SMLoc Loc, const Twine &Msg) const;
   
 private:
   /// LexToken - Read the next token and return its code.
   tgtok::TokKind LexToken();
   
-  tgtok::TokKind ReturnError(const char *Loc, const std::string &Msg);
+  tgtok::TokKind ReturnError(const char *Loc, const Twine &Msg);
   
   int getNextChar();
   void SkipBCPLComment();