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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | 818x 716x 1x | import type { ExpressionState } from '../../expression-state.js';
import { TypedValue } from '../../typed-value.js';
import { Operator } from '../spel-node.js';
import { NodeType } from '../../language/node-type.js';
import { requireBoolean } from './operand-guards.js';
/**
* Logical negation. The operand must be Boolean.
*/
export class OpNot extends Operator {
constructor(
operatorName: string,
startPos: number,
endPos: number,
...operands: import('../spel-node.js').SpelNodeImpl[]
) {
super(NodeType.OP_NOT, operatorName, startPos, endPos, ...operands);
}
public override getValueInternal(state: ExpressionState): TypedValue {
return new TypedValue(!requireBoolean(this.children[0]!, state));
}
/**
* Unary rendering. The inherited implementation assumes a binary shape and
* would produce `(true ! )`, which does not parse.
*/
public override toStringAST(): string {
return `(!${this.children[0]!.toStringAST()})`;
}
}
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