Function fxScopeCodeUsedReverse

xs/sources/xsCode.c:1871–1909

}

void fxScopeCodeUsedReverse(txScope* self, txCoder* coder, txDeclareNode* node, txInteger exception, txInteger selector) 
{
	if (node) {
		fxCheckParserStack(coder->parser, node->line);
		fxScopeCodeUsedReverse(self, coder, node->nextDeclareNode, exception, selector);
		if (node->description->token == XS_TOKEN_USING) {
			txTargetCode* catchTarget = fxCoderCreateTarget(coder);
			txTargetCode* chainTarget = fxCoderCreateTarget(coder);
			txTargetCode* normalTarget = fxCoderCreateTarget(coder);
			
			fxCoderAddIndex(coder, 1, XS_CODE_GET_LOCAL_1, node->nextDeclareNode->index);
			fxCoderAddByte(coder, 1, XS_CODE_UNDEFINED);
			fxCoderAddByte(coder, -1, XS_CODE_STRICT_EQUAL);
			fxCoderAddBranch(coder, -1, XS_CODE_BRANCH_IF_1, normalTarget);
			
			fxCoderAddBranch(coder, 0, XS_CODE_CATCH_1, catchTarget);
			
			fxCoderAddIndex(coder, 1, (node->flags & mxDeclareNodeClosureFlag) ? XS_CODE_GET_CLOSURE_1: XS_CODE_GET_LOCAL_1, node->index);
			fxCoderAddBranch(coder, 0, XS_CODE_BRANCH_CHAIN_1, chainTarget);
			fxCoderAddIndex(coder, 1, XS_CODE_GET_LOCAL_1, node->nextDeclareNode->index);
			fxCoderAddByte(coder, 1, XS_CODE_CALL);
			fxCoderAddInteger(coder, -2, XS_CODE_RUN_1, 0);
			
			fxCoderAdd(coder, 0, chainTarget);
			if (node->flags & mxAwaitingFlag) {
				fxCoderAddByte(coder, 0, XS_CODE_AWAIT);
				fxCoderAddByte(coder, 0, XS_CODE_THROW_STATUS);
			}
			fxCoderAddByte(coder, -1, XS_CODE_POP);
			
			fxCoderAddByte(coder, 0, XS_CODE_UNCATCH);
			fxCoderAddBranch(coder, 0, XS_CODE_BRANCH_1, normalTarget);
			fxCoderAdd(coder, 0, catchTarget);
			fxCoderAddIndex(coder, 1, XS_CODE_USED_1, selector);
			
			fxCoderAdd(coder, 0, normalTarget);
		}
	}
}

void fxScopeCodeUsing(txScope* self, txCoder* coder, txUsingContext* context) 
{