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-rw-r--r--include/llvm/MC/MCParser/MCParsedAsmOperand.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/llvm/MC/MCParser/MCParsedAsmOperand.h b/include/llvm/MC/MCParser/MCParsedAsmOperand.h
index 2556e5f..60e7887 100644
--- a/include/llvm/MC/MCParser/MCParsedAsmOperand.h
+++ b/include/llvm/MC/MCParser/MCParsedAsmOperand.h
@@ -19,15 +19,69 @@ class raw_ostream;
/// base class is used by target-independent clients and is the interface
/// between parsing an asm instruction and recognizing it.
class MCParsedAsmOperand {
+ /// MCOperandNum - The corresponding MCInst operand number. Only valid when
+ /// parsing MS-style inline assembly.
+ unsigned MCOperandNum;
+
+ /// Constraint - The constraint on this operand. Only valid when parsing
+ /// MS-style inline assembly.
+ std::string Constraint;
+
public:
MCParsedAsmOperand() {}
virtual ~MCParsedAsmOperand() {}
+ void setConstraint(StringRef C) { Constraint = C.str(); }
+ StringRef getConstraint() { return Constraint; }
+
+ void setMCOperandNum (unsigned OpNum) { MCOperandNum = OpNum; }
+ unsigned getMCOperandNum() { return MCOperandNum; }
+
+ unsigned getNameLen() {
+ assert (getStartLoc().isValid() && "Invalid StartLoc!");
+ assert (getEndLoc().isValid() && "Invalid EndLoc!");
+ return getEndLoc().getPointer() - getStartLoc().getPointer();
+ }
+
+ StringRef getName() {
+ return StringRef(getStartLoc().getPointer(), getNameLen());
+ }
+
+ /// isToken - Is this a token operand?
+ virtual bool isToken() const = 0;
+ /// isImm - Is this an immediate operand?
+ virtual bool isImm() const = 0;
+ /// isReg - Is this a register operand?
+ virtual bool isReg() const = 0;
+ virtual unsigned getReg() const = 0;
+
+ /// isMem - Is this a memory operand?
+ virtual bool isMem() const = 0;
+ virtual unsigned getMemSize() const { return 0; }
+
/// getStartLoc - Get the location of the first token of this operand.
virtual SMLoc getStartLoc() const = 0;
/// getEndLoc - Get the location of the last token of this operand.
virtual SMLoc getEndLoc() const = 0;
+ /// needAsmRewrite - AsmRewrites happen in both the target-independent and
+ /// target-dependent parsers. The target-independent parser calls this
+ /// function to determine if the target-dependent parser has already taken
+ /// care of the rewrites. Only valid when parsing MS-style inline assembly.
+ virtual bool needAsmRewrite() const { return true; }
+
+ /// isOffsetOf - Do we need to emit code to get the offset of the variable,
+ /// rather then the value of the variable? Only valid when parsing MS-style
+ /// inline assembly.
+ virtual bool isOffsetOf() const { return false; }
+
+ /// getOffsetOfLoc - Get the location of the offset operator.
+ virtual SMLoc getOffsetOfLoc() const { return SMLoc(); }
+
+ /// needSizeDirective - Do we need to emit a sizing directive for this
+ /// operand? Only valid when parsing MS-style inline assembly.
+ virtual bool needSizeDirective() const { return false; }
+
/// print - Print a debug representation of the operand to the given stream.
virtual void print(raw_ostream &OS) const = 0;
/// dump - Print to the debug stream.
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