def emitCode(self, gen):
from nine.codegenerator import CodeGenerator
from ast.breakstatement import BreakStatement
from ast.continuestatement import ContinueStatement
startLabel = gen.ilGen.DefineLabel()
loopLabel = gen.ilGen.DefineLabel()
endLabel = gen.ilGen.DefineLabel()
gen.ilGen.Emit(gen.opCodes.Br, startLabel)
gen.ilGen.MarkLabel(loopLabel)
miniGen = CodeGenerator(gen)
miniGen.breakLabel = endLabel
miniGen.continueLabel = startLabel
self.block.emitCode(miniGen)
gen.ilGen.MarkLabel(startLabel)
self.arg.emitLoad(gen)
gen.ilGen.Emit(gen.opCodes.Brtrue, loopLabel)
gen.ilGen.MarkLabel(endLabel)
