llvm/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp

//==- WebAssemblyAsmParser.cpp - Assembler for WebAssembly -*- C++ -*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file is part of the WebAssembly Assembler.
///
/// It contains code to translate a parsed .s file into MCInsts.
///
//===----------------------------------------------------------------------===//

#include "AsmParser/WebAssemblyAsmTypeCheck.h"
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "MCTargetDesc/WebAssemblyMCTypeUtilities.h"
#include "MCTargetDesc/WebAssemblyTargetStreamer.h"
#include "TargetInfo/WebAssemblyTargetInfo.h"
#include "WebAssembly.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
#include "llvm/MC/MCParser/MCTargetAsmParser.h"
#include "llvm/MC/MCSectionWasm.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolWasm.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/SourceMgr.h"

usingnamespacellvm;

#define DEBUG_TYPE …

static const char *getSubtargetFeatureName(uint64_t Val);

namespace {

/// WebAssemblyOperand - Instances of this class represent the operands in a
/// parsed Wasm machine instruction.
struct WebAssemblyOperand : public MCParsedAsmOperand { … };

// Perhaps this should go somewhere common.
static wasm::WasmLimits defaultLimits() { … }

static MCSymbolWasm *getOrCreateFunctionTableSymbol(MCContext &Ctx,
                                                    const StringRef &Name,
                                                    bool Is64) { … }

class WebAssemblyAsmParser final : public MCTargetAsmParser { … };
} // end anonymous namespace

// Force static initialization.
extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeWebAssemblyAsmParser() { … }

#define GET_REGISTER_MATCHER
#define GET_SUBTARGET_FEATURE_NAME
#define GET_MATCHER_IMPLEMENTATION
#include "WebAssemblyGenAsmMatcher.inc"

StringRef getMnemonic(unsigned Opc) { … }