blob: ef1fc49cefee5202dbd183b109215f6a910049eb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//===-- llvm/Target/TargetAsmParser.h - Target Assembly Parser --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_TARGETPARSER_H
#define LLVM_TARGET_TARGETPARSER_H
#include "llvm/MC/MCAsmLexer.h"
namespace llvm {
class MCAsmParser;
class MCInst;
class StringRef;
class Target;
/// TargetAsmParser - Generic interface to target specific assembly parsers.
class TargetAsmParser {
TargetAsmParser(const TargetAsmParser &); // DO NOT IMPLEMENT
void operator=(const TargetAsmParser &); // DO NOT IMPLEMENT
protected: // Can only create subclasses.
TargetAsmParser(const Target &);
/// TheTarget - The Target that this machine was created for.
const Target &TheTarget;
public:
virtual ~TargetAsmParser();
const Target &getTarget() const { return TheTarget; }
/// ParseInstruction - Parse one assembly instruction.
///
/// The parser is positioned following the instruction name. The target
/// specific instruction parser should parse the entire instruction and
/// construct the appropriate MCInst, or emit an error. On success, the entire
/// line should be parsed up to and including the end-of-statement token. On
/// failure, the parser is not required to read to the end of the line.
//
/// \param AP - The current parser object.
/// \param Name - The instruction name.
/// \param Inst [out] - On success, the parsed instruction.
/// \return True on failure.
virtual bool ParseInstruction(const StringRef &Name, MCInst &Inst) = 0;
/// ParseDirective - Parse a target specific assembler directive
///
/// The parser is positioned following the directive name. The target
/// specific directive parser should parse the entire directive doing or
/// recording any target specific work, or return true and do nothing if the
/// directive is not target specific. If the directive is specific for
/// the target, the entire line is parsed up to and including the
/// end-of-statement token and false is returned.
///
/// \param ID - the identifier token of the directive.
virtual bool ParseDirective(AsmToken DirectiveID) = 0;
};
} // End llvm namespace
#endif
|
