42 lines
911 B
JavaScript
42 lines
911 B
JavaScript
import resolve, { toString, traverse, map } from '../resolve';
|
|
|
|
const parenthesis = {
|
|
create({ content }) {
|
|
return {
|
|
parseType: 'parenthesis',
|
|
content,
|
|
};
|
|
},
|
|
resolve(fn, node, scope, context) {
|
|
const { result: content } = resolve(fn, node.content, scope, context);
|
|
if (
|
|
fn === 'reduce' ||
|
|
content.parseType === 'constant' ||
|
|
content.parseType === 'error'
|
|
) {
|
|
return { result: content, context };
|
|
} else {
|
|
return {
|
|
result: parenthesis.create({ content }),
|
|
context
|
|
};
|
|
}
|
|
},
|
|
toString(node) {
|
|
return `(${toString(node.content)})`;
|
|
},
|
|
traverse(node, fn) {
|
|
fn(node);
|
|
traverse(node.content, fn);
|
|
},
|
|
map(node, fn) {
|
|
const resultingNode = fn(node);
|
|
if (resultingNode === node) {
|
|
node.content = map(node.content, fn);
|
|
}
|
|
return resultingNode;
|
|
},
|
|
}
|
|
|
|
export default parenthesis;
|