summaryrefslogtreecommitdiffstats
path: root/include/llvm/MC/MCParser/MCAsmParser.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/MC/MCParser/MCAsmParser.h')
-rw-r--r--include/llvm/MC/MCParser/MCAsmParser.h32
1 files changed, 26 insertions, 6 deletions
diff --git a/include/llvm/MC/MCParser/MCAsmParser.h b/include/llvm/MC/MCParser/MCAsmParser.h
index 7f7f1b6..d0ccd0f 100644
--- a/include/llvm/MC/MCParser/MCAsmParser.h
+++ b/include/llvm/MC/MCParser/MCAsmParser.h
@@ -15,35 +15,48 @@
namespace llvm {
class AsmToken;
class MCAsmLexer;
+class MCAsmParserExtension;
class MCContext;
class MCExpr;
class MCStreamer;
class SMLoc;
+class SourceMgr;
+class StringRef;
class Twine;
/// MCAsmParser - Generic assembler parser interface, for use by target specific
/// assembly parsers.
class MCAsmParser {
+public:
+ typedef bool (MCAsmParserExtension::*DirectiveHandler)(StringRef, SMLoc);
+
+private:
MCAsmParser(const MCAsmParser &); // DO NOT IMPLEMENT
void operator=(const MCAsmParser &); // DO NOT IMPLEMENT
protected: // Can only create subclasses.
MCAsmParser();
-
+
public:
virtual ~MCAsmParser();
+ virtual void AddDirectiveHandler(MCAsmParserExtension *Object,
+ StringRef Directive,
+ DirectiveHandler Handler) = 0;
+
+ virtual SourceMgr &getSourceManager() = 0;
+
virtual MCAsmLexer &getLexer() = 0;
virtual MCContext &getContext() = 0;
- /// getSteamer - Return the output streamer for the assembler.
+ /// getStreamer - Return the output streamer for the assembler.
virtual MCStreamer &getStreamer() = 0;
/// Warning - Emit a warning at the location \arg L, with the message \arg
/// Msg.
virtual void Warning(SMLoc L, const Twine &Msg) = 0;
- /// Warning - Emit an error at the location \arg L, with the message \arg
+ /// Error - Emit an error at the location \arg L, with the message \arg
/// Msg.
///
/// \return The return value is always true, as an idiomatic convenience to
@@ -53,10 +66,17 @@ public:
/// Lex - Get the next AsmToken in the stream, possibly handling file
/// inclusion first.
virtual const AsmToken &Lex() = 0;
-
+
/// getTok - Get the current AsmToken from the stream.
const AsmToken &getTok();
-
+
+ /// \brief Report an error at the current lexer location.
+ bool TokError(const char *Msg);
+
+ /// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
+ /// and set \arg Res to the identifier contents.
+ virtual bool ParseIdentifier(StringRef &Res) = 0;
+
/// ParseExpression - Parse an arbitrary expression.
///
/// @param Res - The value of the expression. The result is undefined
@@ -64,7 +84,7 @@ public:
/// @result - False on success.
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
bool ParseExpression(const MCExpr *&Res);
-
+
/// ParseParenExpression - Parse an arbitrary expression, assuming that an
/// initial '(' has already been consumed.
///
OpenPOWER on IntegriCloud