Add stub methods for mips assembly matcher.

Patch by Vladimir Medic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162124 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 67 insertions, 1 deletions

diff --git a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 58b5590257..43bd345208 100644
--- a/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -11,11 +11,20 @@
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCTargetAsmParser.h"
 #include "llvm/Support/TargetRegistry.h"
+#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
+#include "llvm/MC/MCTargetAsmParser.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/MathExtras.h"
 
 using namespace llvm;
 
 namespace {
 class MipsAsmParser : public MCTargetAsmParser {
+
+#define GET_ASSEMBLER_HEADER
+#include "MipsGenAsmMatcher.inc"
+
   bool MatchAndEmitInstruction(SMLoc IDLoc,
                                SmallVectorImpl<MCParsedAsmOperand*> &Operands,
                                MCStreamer &Out);
@@ -23,10 +32,11 @@ class MipsAsmParser : public MCTargetAsmParser {
   bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc);
 
   bool ParseInstruction(StringRef Name, SMLoc NameLoc,
-                                SmallVectorImpl<MCParsedAsmOperand*> &Operands);
+                        SmallVectorImpl<MCParsedAsmOperand*> &Operands);
 
   bool ParseDirective(AsmToken DirectiveID);
 
+  OperandMatchResultTy parseMemOperand(SmallVectorImpl<MCParsedAsmOperand*>&);
 public:
   MipsAsmParser(MCSubtargetInfo &sti, MCAsmParser &parser)
     : MCTargetAsmParser() {
@@ -35,6 +45,57 @@ public:
 };
 }
 
+namespace {
+
+/// MipsOperand - Instances of this class represent a parsed Mips machine
+/// instruction.
+class MipsOperand : public MCParsedAsmOperand {
+  enum KindTy {
+    k_CondCode,
+    k_CoprocNum,
+    k_Immediate,
+    k_Memory,
+    k_PostIndexRegister,
+    k_Register,
+    k_Token
+  } Kind;
+
+  MipsOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {}
+public:
+  void addRegOperands(MCInst &Inst, unsigned N) const {
+    llvm_unreachable("unimplemented!");
+  }
+  void addExpr(MCInst &Inst, const MCExpr *Expr) const{
+    llvm_unreachable("unimplemented!");
+  }
+  void addImmOperands(MCInst &Inst, unsigned N) const {
+    llvm_unreachable("unimplemented!");
+  }
+  void addMemOperands(MCInst &Inst, unsigned N) const {
+    llvm_unreachable("unimplemented!");
+  }
+
+  bool isReg() const { return Kind == k_Register; }
+  bool isImm() const { return Kind == k_Immediate; }
+  bool isToken() const { return Kind == k_Token; }
+  bool isMem() const { return Kind == k_Memory; }
+
+  StringRef getToken() const {
+    assert(Kind == k_Token && "Invalid access!");
+    return "";
+  }
+
+  unsigned getReg() const {
+    assert((Kind == k_Register) && "Invalid access!");
+    return 0;
+  }
+
+  virtual void print(raw_ostream &OS) const {
+    llvm_unreachable("unimplemented!");
+  }
+};
+}
+
 bool MipsAsmParser::
 MatchAndEmitInstruction(SMLoc IDLoc,
                         SmallVectorImpl<MCParsedAsmOperand*> &Operands,
@@ -58,6 +119,11 @@ ParseDirective(AsmToken DirectiveID) {
   return true;
 }
 
+MipsAsmParser::OperandMatchResultTy MipsAsmParser::
+  parseMemOperand(SmallVectorImpl<MCParsedAsmOperand*>&) {
+  return MatchOperand_ParseFail;
+}
+
 extern "C" void LLVMInitializeMipsAsmParser() {
   RegisterMCAsmParser<MipsAsmParser> X(TheMipsTarget);
   RegisterMCAsmParser<MipsAsmParser> Y(TheMipselTarget);