IR::OperatorDecoderStream Struct Reference

#include <Operators.h>

Public Member Functions
	OperatorDecoderStream (const std::vector< U8 > &codeBytes)
	operator bool () const
template<typename Visitor >
Visitor::Result	decodeOp (Visitor &visitor)
template<typename Visitor >
Visitor::Result	decodeOpWithoutConsume (Visitor &visitor)

Detailed Description

Definition at line 613 of file Operators.h.

Constructor & Destructor Documentation

OperatorDecoderStream()

IR::OperatorDecoderStream::OperatorDecoderStream ( const std::vector< U8 > & codeBytes )

inline

Definition at line 615 of file Operators.h.

        : nextByte(codeBytes.data()), end(codeBytes.data()+codeBytes.size()) {}

Member Function Documentation

decodeOp()

template<typename Visitor >

Visitor::Result IR::OperatorDecoderStream::decodeOp ( Visitor & visitor )

inline

Definition at line 621 of file Operators.h.

        {
            WAVM_ASSERT_THROW(nextByte + sizeof(Opcode) <= end);
            Opcode opcode = *(Opcode*)nextByte;
            switch(opcode)
            {
            #define VISIT_OPCODE(opcode,name,nameString,Imm,...) \
                case Opcode::name: \
                { \
                    WAVM_ASSERT_THROW(nextByte + sizeof(OpcodeAndImm<Imm>) <= end); \
                    OpcodeAndImm<Imm>* encodedOperator = (OpcodeAndImm<Imm>*)nextByte; \
                    nextByte += sizeof(OpcodeAndImm<Imm>); \
                    return visitor.name(encodedOperator->imm); \
                }
            ENUM_OPERATORS(VISIT_OPCODE)
            #undef VISIT_OPCODE
            default:
                nextByte += sizeof(Opcode);
                return visitor.unknown(opcode);
            }
        }

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decodeOpWithoutConsume()

template<typename Visitor >

Visitor::Result IR::OperatorDecoderStream::decodeOpWithoutConsume ( Visitor & visitor )

inline

Definition at line 644 of file Operators.h.

        {
            const U8* savedNextByte = nextByte;
            typename Visitor::Result result = decodeOp(visitor);
            nextByte = savedNextByte;
            return result;
        }

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operator bool()

IR::OperatorDecoderStream::operator bool ( ) const

inline

Definition at line 618 of file Operators.h.

{ return nextByte < end; }

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The documentation for this struct was generated from the following file:

• libraries/wasm-jit/Include/IR/Operators.h