@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
48 lines (46 loc) • 1.77 kB
JavaScript
import { Helper } from '../Helper';
export class ArrForEachFuncHelper extends Helper {
emit(sb, node, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
sb.emitHelper(node, options, sb.helpers.getCallable({}));
sb.emitOp(node, 'SWAP');
sb.emitOp(node, 'DUP');
sb.emitOp(node, 'ARRAYSIZE');
sb.emitPushInt(node, 0);
sb.emitHelper(node, options, sb.helpers.forLoop({
condition: () => {
sb.emitOp(node, 'SWAP');
sb.emitOp(node, 'TUCK');
sb.emitOp(node, 'OVER');
sb.emitOp(node, 'GT');
},
each: (innerOptions) => {
sb.emitOp(node, 'DUP');
sb.emitHelper(node, options, sb.helpers.wrapNumber);
sb.emitPushInt(node, 3);
sb.emitOp(node, 'PICK');
sb.emitPushInt(node, 2);
sb.emitOp(node, 'PICK');
sb.emitOp(node, 'PICKITEM');
sb.emitPushInt(node, 2);
sb.emitOp(node, 'PACK');
sb.emitPushInt(node, 4);
sb.emitOp(node, 'PICK');
sb.emitHelper(node, sb.noPushValueOptions(innerOptions), sb.helpers.call);
},
incrementor: () => {
sb.emitOp(node, 'INC');
},
cleanup: () => {
sb.emitOp(node, 'DROP');
sb.emitOp(node, 'DROP');
sb.emitOp(node, 'DROP');
sb.emitOp(node, 'DROP');
if (optionsIn.pushValue) {
sb.emitHelper(node, options, sb.helpers.wrapUndefined);
}
},
}));
}
}
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