@neo-one/smart-contract-compiler/compile/builtins/array/slice.js

NEO•ONE TypeScript smart contract compiler.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts_utils_1 = require("@neo-one/ts-utils");
const BuiltinInstanceMemberCall_1 = require("../BuiltinInstanceMemberCall");
class ArraySlice extends BuiltinInstanceMemberCall_1.BuiltinInstanceMemberCall {
    canCall(_sb, _func, node) {
        return ts_utils_1.tsUtils.argumented.getArguments(node).length <= 2;
    }
    emitCall(sb, func, node, optionsIn, visited) {
        const options = sb.pushValueOptions(optionsIn);
        const expr = ts_utils_1.tsUtils.expression.getExpression(func);
        if (!visited) {
            sb.visit(expr, options);
        }
        sb.emitHelper(node, options, sb.helpers.unwrapArray);
        const args = ts_utils_1.tsUtils.argumented.getArguments(node);
        if (args.length === 0) {
            sb.emitHelper(node, options, sb.helpers.arrClone);
        }
        else if (args.length === 1) {
            sb.visit(args[0], options);
            sb.emitHelper(node, options, sb.helpers.unwrapNumber);
            sb.emitHelper(node, options, sb.helpers.arrSlice());
        }
        else {
            sb.visit(args[1], options);
            sb.emitHelper(node, options, sb.helpers.unwrapNumber);
            sb.visit(args[0], options);
            sb.emitHelper(node, options, sb.helpers.unwrapNumber);
            sb.emitHelper(node, options, sb.helpers.arrSlice({ hasEnd: true }));
        }
        if (optionsIn.pushValue) {
            sb.emitHelper(node, options, sb.helpers.wrapArray);
        }
        else {
            sb.emitOp(node, 'DROP');
        }
    }
}
exports.ArraySlice = ArraySlice;

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HRpb25zLCBzYi5oZWxwZXJzLndyYXBBcnJheSk7XG4gICAgfSBlbHNlIHtcbiAgICAgIHNiLmVtaXRPcChub2RlLCAnRFJPUCcpO1xuICAgIH1cbiAgfVxufVxuIl19