lava-oushudb-dt-sql-parser/scripts/antlr4.js

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2023-10-09 17:43:41 +08:00
const path = require("path");
const exec = require("child_process").exec;
const fs = require("fs");
const argv = require("yargs-parser")(process.argv.slice(2));
const inquirer = require("inquirer");
const chalk = require("chalk");
const grammarsPath = path.resolve(__dirname, "../src/grammar");
const outputPath = path.resolve(__dirname, "../src/lib");
const languageEntries = fs
.readdirSync(grammarsPath)
.filter((item) => item !== "impala"); // impala is not support yet.
const baseCmd = 'antlr4ts -visitor -listener -Xexact-output-dir -o';
function compile(language) {
const cmd = `${baseCmd} ${outputPath}/${language} ${grammarsPath}/${language}/*.g4`;
console.info(chalk.green(`\nRemoving:`, chalk.gray(`${outputPath}/${language}/*`)));
fs.rmdirSync(`${outputPath}/${language}`, { recursive: true })
console.info(chalk.green("Executing:"), chalk.gray(cmd));
exec(cmd, (err) => {
if (err) {
console.error(
chalk.redBright(`\n[Antlr4 compile error]:`),
chalk.cyan(language),
chalk.gray(err)
);
} else {
console.log(chalk.greenBright(`\nCompile ${language} succeeded!`));
}
});
}
function prompt() {
inquirer
.prompt([
{
type: "list",
name: "language",
message: "Which language you want compile (or all languages)",
choices: ["All Languages", ...languageEntries],
loop: true,
},
])
.then((result) => {
const language = result.language;
if(language === 'All Languages') {
languageEntries.forEach((language) => {
compile(language);
});
} else {
compile(result.language);
}
});
}
function main() {
if (argv.all) {
// compile all: yarn antlr4 --all
languageEntries.forEach((language) => {
compile(language);
});
} else if (argv.lang) {
// compile single: yarn antlr4 --lang=generic
const supportedLanguage = languageEntries.some(
(language) => language === argv.lang
);
if (supportedLanguage) {
compile(argv.lang);
} else {
console.error(
chalk.bold.red("\n[Invalid language]:"),
chalk.white.underline(`${argv.lang}\n`)
);
prompt();
}
} else {
prompt();
}
}
main();