84 lines
2.0 KiB
JavaScript
84 lines
2.0 KiB
JavaScript
'use strict';
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/* eslint-disable no-console */
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/* eslint-disable indent */
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const handleScope = (info, str) => {
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const [type, name] = str.split(/\s+/);
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const ero = { kind: 'scope', type, name, body: [] };
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const current = info.stack[info.stack.length - 1];
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current.body.push(ero);
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info.stack.push(ero);
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// console.log(ero);
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};
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const handleUpScope = (info /* , str */) => {
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info.stack.pop();
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// console.log(['upscope', str]);
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};
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const handleVar = (info, str) => {
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// reg 3 ( r_reg [2:0]
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// 0 1 2 3+
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const eroj = str.split(/\s+/);
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const ero = {
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kind: 'var',
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type: eroj[0],
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size: parseInt(eroj[1]),
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link: eroj[2],
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name: eroj.slice(3).join('')
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};
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{
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const m = ero.name.match('^(?<name>\\w+)\\[' + (ero.size - 1) + ':0]$');
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if (m) {
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ero.name = m.groups.name;
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}
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}
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const current = info.stack[info.stack.length - 1];
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current.body.push(ero);
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// console.log(ero);
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};
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/**
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* @description 处理 C++ 中的 on_command 函数，也就是 llparse 框架中的 p.code.store('command') 触发的函数
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* @param {} info
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* @param {*} cmd
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* @param {*} str
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*/
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const commandHandler = (info, cmd, str) => {
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str = str.trim();
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switch (cmd) {
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case 1:
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// 处理 comment
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info.comment = str;
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break;
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case 2:
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// 处理 date
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info.date = str;
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break;
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case 3:
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// 处理 scope
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handleScope(info, str);
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break;
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case 4:
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// 处理 timescale
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info.timescale = str;
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break;
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case 5:
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handleUpScope(info, str);
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break;
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case 6:
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// 处理变量申明（link 和 wire name 的对应关系）
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handleVar(info, str);
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break;
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case 7:
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// 处理 version
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info.version = str;
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break;
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default:
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// console.log([cmd, str]);
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}
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};
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module.exports = commandHandler;
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