@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
30 lines (28 loc) • 1.08 kB
JavaScript
import { ErrorSlots } from '../../constants';
import { Helper } from '../Helper';
export class ThrowHelper extends Helper {
emit(sb, node, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
sb.emitOp(node, 'DUP');
sb.emitHelper(node, options, sb.helpers.if({
condition: () => {
sb.emitOp(node, 'DUP');
sb.emitHelper(node, options, sb.helpers.isString);
},
whenFalse: () => {
sb.emitHelper(node, options, sb.helpers.unwrapError);
sb.emitPushInt(node, ErrorSlots.message);
sb.emitOp(node, 'PICKITEM');
},
}));
sb.emitHelper(node, options, sb.helpers.unwrapString);
sb.emitLine(node);
sb.emitOp(node, 'SWAP');
sb.emitPushString(node, 'error');
sb.emitPushInt(node, 3);
sb.emitOp(node, 'PACK');
sb.emitSysCall(node, 'Neo.Runtime.Notify');
sb.emitHelper(node, optionsIn, sb.helpers.throwCompletion);
}
}
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