root/core/AbcGen.h

INCLUDED FROM

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#ifndef __avmplus_AbcGen__
#define __avmplus_AbcGen__


namespace avmplus
{
        class AbcGen 
        {
        public:
                /**
                 * construct an abc code gen buffer with the given initial capacity
                 */
                AbcGen(MMgc::GC *gc, int initCapacity=128) : bytes(gc, initCapacity) {}

                List<byte>& getBytes() { return bytes; }
                void construct_super() { bytes.add(OP_constructsuper); }
                void pushnan() { bytes.add(OP_pushnan); }
                void pushundefined() { bytes.add(OP_pushundefined); }
                void pushnull() { bytes.add(OP_pushnull); }
                void pushtrue() { bytes.add(OP_pushtrue); }
                void pushconstant(CPoolKind kind, int index) 
                { 
                        // AbcParser should already ensure kind is legal value.
                        // commented out due to over-aggressive compiler warnings
                        //AvmAssert((int)kind >=0 && (int)kind <= CONSTANT_StaticProtectedNs && kindToPushOp[kind] != 0);
                        int op = kindToPushOp[kind];
                        bytes.add((byte)op);
                        if(opcodeInfo[op].operandCount > 0)
                                writeInt(index); 
                }
                void getlocalN(int N) { bytes.add((byte)(OP_getlocal0+N)); }
                void setslot(int slot) { bytes.add(OP_setslot); writeInt(slot+1); }
                void abs_jump(const uint8_t* pc, uint32_t code_length) 
                { 
                        bytes.add(OP_abs_jump); 
#ifdef AVMPLUS_64BIT
                        writeInt(uint32_t(uintptr_t(pc)));
                        writeInt(uint32_t(uintptr_t(pc) >> 32));
#else                   
                        writeInt(uint32_t(pc)); 
#endif                  
                        writeInt(code_length); 
                }
                void returnvoid() { bytes.add(OP_returnvoid); }
                void writeBytes(List<byte>& b) { bytes.add(b); }
                void writeInt(uint32_t n);
                size_t size() { return bytes.size(); }
        private:
                List<byte> bytes;
        };
}

#endif // __avmplus_MethodEnv__