univac

Version:
Generate AST of lots of common programming languages using antlr4. JavaScript API and CLI tool.
40 lines • 1.45 kB
JavaScript
"use strict";
// import { getNodeId } from '../node'
// import { Node } from '../types'
// export function toDot(node: Node) {
//   const els: E[] = []
//   function f(node: Node) {
//     const id = getNodeId(node)
//     if (!els.find(e => e.id === id)) {
//       els.push({ id, nodes: [node], text: `${id} [fontsize=11, label="${node.type}", width=.8];` })
//     }
//     node.children.forEach(c => {
//       const cid = getNodeId(c)
//       if (!els.find(c => c.id === cid)) {
//         els.push({ id: cid, nodes: [c], text: `${cid} [fontsize=11, label="${c.type}", width=.8];` })
//       }
//       els.push({ id: `${id} -> ${cid}`, nodes: [node, c], text: `${id} -> ${cid} [fontsize=11, arrowsize=.9, arrowhead=normal];` })
//       f(c)
//     })
//   }
//   f(node)
//   // digraph ATN {
//   //   rankdir=LR;
//   //   s149[fontsize=11, label="149", shape=doublecircle, fixedsize=true, width=.6];
//   //   s1155[fontsize=11,label="1155", shape=circle, fixedsize=true, width=.55, peripheries=1];
//   //   s148 -> s1157 [fontname="Times-Italic", label="&epsilon;"];
//   //   s1156 -> s1158 [fontsize=11, fontname="Courier", arrowsize=.7, label = "<declaration>", arrowhead = normal];
//   //   }
//   const dot = `
// digraph ATN {
//   rankdir=LR;
//   ${els.map(e => e.text).join('\n  ')}
// }`.trim()
//   return dot
// }
// interface E {
//   id: string;
//   nodes: Node[];
//   text: string;
// }
//# sourceMappingURL=toDot.js.map