@neo-one/smart-contract-compiler/compile/helper/storage/HandlePrefixKeyStructuredStorageHelper.js

NEO•ONE TypeScript smart contract compiler.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Helper_1 = require("../Helper");
class HandlePrefixKeyStructuredStorageHelper extends Helper_1.Helper {
    emit(sb, node, options) {
        if (!options.pushValue) {
            sb.emitOp(node, 'DROP');
            sb.emitOp(node, 'DROP');
            return;
        }
        sb.emitOp(node, 'SWAP');
        sb.emitHelper(node, options, sb.helpers.unwrapArray);
        sb.emitOp(node, 'SWAP');
        sb.emitHelper(node, options, sb.helpers.arrLeft);
        sb.emitHelper(node, options, sb.helpers.if({
            condition: () => {
                sb.emitOp(node, 'DUP');
                sb.emitOp(node, 'ARRAYSIZE');
                sb.emitPushInt(node, 1);
                sb.emitOp(node, 'NUMEQUAL');
            },
            whenTrue: () => {
                sb.emitPushInt(node, 0);
                sb.emitOp(node, 'PICKITEM');
            },
            whenFalse: () => {
                sb.emitHelper(node, options, sb.helpers.wrapArray);
            },
        }));
    }
}
exports.HandlePrefixKeyStructuredStorageHelper = HandlePrefixKeyStructuredStorageHelper;

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