syntax-checker 0.1.2

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Multi-Parser: A Multi-Language Syntax Checker

Multi-Parser is a command-line tool that performs syntax checking for multiple programming languages using tree-sitter parsers. It provides quick syntax validation without requiring the actual language toolchain to be installed.

Features

• Support for multiple languages including:

• Fast parsing using tree-sitter

• Precise error reporting with line and column numbers

• No need for language-specific toolchains

• Easy to extend with additional language support

• Supported Languages:

• Bash

• C

• C++

• C#

• CSS

• Elisp (Emacs Lisp)

• Elixir

• Elm

• Go

• HTML

• Java

• JavaScript

• JSON

• Lua

• PHP

• Python

• ReScript

• Ruby

• Rust

• Solidity

• TOML

• TypeScript/TSX

Installation

From Source

git clone https://github.com/rusiaaman/syntax-checker.git
cd syntax-checker
cargo build --release

The binary will be available at target/release/multi-parser

Usage

multi-parser <language> <file>

For example:

# Check a Python file
multi-parser python script.py

# Check a JavaScript file
multi-parser javascript app.js

# Check an Elm file
multi-parser elm Main.elm

# Check a Solidity smart contract
multi-parser solidity Contract.sol

Examples

Python Syntax Check

# test.py
def test():
    print("Hello")
    print("Missing closing parenthesis"
    return "test"

x = test()

Running the checker:

$ multi-parser python test.py
Syntax errors detected:
  - Error at line 3, column 10: Type "ERROR"
  - Error at line 4, column 5: Type "ERROR"

Elm Syntax Check

module Main exposing (..)

import Html exposing (text)

main =
    text "Hello World"    -- Missing parentheses
    let 
        x = 42
    in
        x + y            -- Unknown variable y

Running the checker:

$ multi-parser elm test.elm
Syntax errors detected:
  - Error at line 6: Missing parentheses
  - Error at line 10: Undefined variable 'y'

Supported Languages and File Extensions

Language	Extension(s)	Command
Bash	.sh	bash
C	.c, .h	c
C++	.cpp, .hpp	cpp
C#	.cs	c_sharp
CSS	.css	css
Elisp	.el	elisp
Elixir	.ex, .exs	elixir
Elm	.elm	elm
Go	.go	go
HTML	.html, .htm	html
Java	.java	java
JavaScript	.js	javascript
JSON	.json	json
Lua	.lua	lua
PHP	.php	php
Python	.py	python
ReScript	.res	rescript
Ruby	.rb	ruby
Rust	.rs	rust
Solidity	.sol	solidity
TOML	.toml	toml
TypeScript	.ts	typescript
TSX	.tsx	tsx

How It Works

Multi-Parser uses tree-sitter parsers to analyze source code and detect syntax errors. Tree-sitter is a parser generator tool and incremental parsing library that can build a concrete syntax tree for source files and efficiently update it as the source file is edited.

The tool:

1. Determines the appropriate parser based on the specified language
2. Parses the input file
3. Traverses the syntax tree looking for ERROR nodes
4. Reports the location and type of any syntax errors found

Contributing

Contributions are welcome! Here are some ways you can contribute:

1. Add support for new languages
2. Improve error reporting
3. Add new features
4. Report bugs
5. Improve documentation

Notes

Some experimental language support (OCaml, QL, SystemRDL) has been temporarily disabled due to parser integration issues. Contributions to fix these parsers are welcome.

License

MIT License - see LICENSE file for details