@neo-one/smart-contract-compiler/dist/esm/compile/statement/DoStatementCompiler.js

NEO•ONE TypeScript smart contract compiler.

import { tsUtils } from '@neo-one/ts-utils';
import ts from 'typescript';
import * as constants from '../../constants';
import { NodeCompiler } from '../NodeCompiler';
export class DoStatementCompiler extends NodeCompiler {
    constructor() {
        super(...arguments);
        this.kind = ts.SyntaxKind.DoStatement;
    }
    visitNode(sb, node, options) {
        sb.withProgramCounter((breakPC) => {
            sb.withProgramCounter((continuePC) => {
                sb.visit(tsUtils.statement.getStatement(node), sb.breakPCOptions(sb.continuePCOptions(options, continuePC.getLast()), breakPC.getLast()));
                sb.emitPushInt(node, constants.CONTINUE_COMPLETION);
            });
            sb.emitOp(node, 'DROP');
            sb.emitHelper(tsUtils.expression.getExpression(node), options, sb.helpers.if({
                condition: () => {
                    const expr = tsUtils.expression.getExpression(node);
                    sb.visit(expr, sb.pushValueOptions(options));
                    sb.emitHelper(expr, sb.pushValueOptions(options), sb.helpers.toBoolean({ type: sb.context.analysis.getType(expr) }));
                },
                whenTrue: () => {
                    sb.emitJmp(node, 'JMP', breakPC.getFirst());
                },
            }));
            sb.emitPushInt(node, constants.BREAK_COMPLETION);
        });
        sb.emitOp(node, 'DROP');
    }
}

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