feat: upgrade antlr4 to 4.12.0 (#88)

Author: wewoor

.github/workflows/nodejs.yml

@@ -9,18 +9,19 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [16.x]
 
     steps:
     - uses: actions/checkout@v1
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
-    - name: npm install, test, and build
+    - name: install, test, build
       run: |
-        npm install
-        npm test
-        npm run build
+        export NODE_OPTIONS="--max_old_space_size=4096"
+        yarn install
+        yarn test
+        yarn build
       env:
         CI: true

CONTRIBUTING.md

@@ -1,10 +1,33 @@
 # dt-sql-parser
 
+## Get Start
 
-## Prerequisites
+installing the dependencies after cloned project:
 
+```bash
+yarn install
+```
 
-## Branch Organization
+- test
+
+```bash
+yarn test
+```
+
+## Compile the grammar sources
+
+Compile one language:
 
+```bash
+yarn antlr4 --lang=generic 
+```
+
+Compile all languages:
+
+```bash
+yarn antlr4 --all
+```
+
+## Branch Organization
 
 ## Source Code Organization

build/antlr-4.12.0-complete.jar

@@ -1,7 +1,8 @@
 const path = require('path');
 const exec = require('child_process').exec;
+const argv = require('yargs-parser')(process.argv.slice(2))
 
-const antlr4 = path.resolve(__dirname, 'antlr-4.8-complete.jar');
+const antlr4 = path.resolve(__dirname, './antlr-4.12.0-complete.jar');
 const grammars = path.resolve(__dirname, '../src/grammar');
 const output = path.resolve(__dirname, '../src/lib');
 
@@ -14,22 +15,37 @@ const entry = [
     'flinksql',
 ];
 
-entry.forEach((language) => {
+function compile(language) {
     const cmd = `
         java -jar ${antlr4}
-        -Dlanguage=JavaScript 
+        -Dlanguage=TypeScript 
         -visitor
         -listener
         -o ${output}/${language}
         ${grammars}/${language}/*.g4 
     `.replace(/\n/g, '');
-    console.log('cmd:', cmd);
+    console.info('Executing:', cmd);
     exec(cmd, (err) => {
         if (err) {
             console.error('Antlr4 build error: ' + language, err);
         } else {
             console.log(`Build ${language} success.`);
         }
     });
-});
+}
+
+if (argv.all) { // build all: yarn antlr4 --all
+    entry.forEach((language) => {
+        compile(language);
+    });
+} else if (argv.lang) {// build single: yarn antlr4 --lang=generic
+    const supportedLanguage = entry.find((language) => language === argv.lang);
+    if (supportedLanguage) {
+        compile(argv.lang);
+    } else {
+        console.error('Unsupported language: ' + argv.lang);
+    }
+} else {
+    console.error('Please to specify the language, just like: yarn antlr4 --lang flinksql');
+}