CodeStream

Utility class to emit and patch bytecode.

Emitted code

{

CodeData *

mCode

CodeData *

mCodeHead

U32

mCodePos

}

{

CodeStream()

~CodeStream()

U8 *

allocCode(U32 sz)

U32

emit(U32 code)

void

patch(U32 addr, U32 code)

U32

emitSTE(const char * code)

U32

tell()

bool

inLoop()

U32

emitFix(FixType type)

void

pushFixScope(bool isLoop)

void

popFixScope()

void

fixLoop(U32 loopBlockStart, U32 breakPoint, U32 continuePoint)

void

addBreakLine(U32 lineNumber, U32 ip)

U32

getNumLineBreaks()

void

emitCodeStream(U32 * size, U32 ** stream, U32 ** lineBreaks)

void

reset()

Vector< U32 >

mFixList

Vector< U32 >

mFixStack

Vector< bool >

mFixLoopStack

Vector< PatchEntry >

mPatchList

Vector< U32 >

mBreakLines

}

enum

Constants {  BlockSize = 16384
}

enum

FixType {
  FIXTYPE_LOOPBLOCKSTART 
  FIXTYPE_BREAK 
  FIXTYPE_CONTINUE 
}

Utility class to emit and patch bytecode.

{

CodeData * mCode

CodeData * mCodeHead

U32 mCodePos

}

{

CodeStream()

~CodeStream()

allocCode(U32 sz)

emit(U32 code)

patch(U32 addr, U32 code)

emitSTE(const char * code)

tell()

inLoop()

emitFix(FixType type)

pushFixScope(bool isLoop)

popFixScope()

fixLoop(U32 loopBlockStart, U32 breakPoint, U32 continuePoint)

addBreakLine(U32 lineNumber, U32 ip)

getNumLineBreaks()

emitCodeStream(U32 * size, U32 ** stream, U32 ** lineBreaks)

reset()

Vector< U32 > mFixList

Vector< U32 > mFixStack

Vector< bool > mFixLoopStack

Vector< PatchEntry > mPatchList

Vector< U32 > mBreakLines

}

Line numbers

Constants

FixType