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Merged
Zeeeepa merged 5 commits into from
May 12, 2025
Merged

ZAM-366: Implement parser.py in analyzers directory #108

Zeeeepa merged 5 commits into from
May 12, 2025

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@codegen-sh codegen-sh bot commented May 12, 2025 •
edited by korbit-ai bot
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Description

This PR implements the missing parser.py module in the codegen-on-oss/codegen_on_oss/analyzers/ directory. The module provides specialized parsing functionality for code analysis, including abstract syntax tree (AST) generation and traversal for multiple programming languages.

Features Implemented

  1. Core Parser Classes:

    • ASTNode: Base class for AST nodes with traversal capabilities
    • BaseParser: Abstract base class for all parsers
    • CodegenParser: Parser implementation using Codegen SDK
    • Language-specific parsers: PythonParser, JavaScriptParser, TypeScriptParser

  2. Utility Functions:

    • create_parser: Factory function to create appropriate parser for a language
    • parse_file: Convenience function to parse a file
    • parse_code: Convenience function to parse code directly

  3. Symbol and Dependency Analysis:

    • Extract functions, classes, and variables from code
    • Analyze imports and dependencies

  4. Documentation and Examples:

    • Updated README.md with usage examples
    • Added example script in examples/parser_example.py
    • Comprehensive unit tests

Integration

The parser module is now integrated with the existing analyzer modules through the __init__.py file, making it available for use in code analysis workflows.

Testing

Added comprehensive unit tests in tests/test_analyzers_parser.py to ensure the parser works correctly.

Fixes ZAM-366

💻 View my work • About Codegen

Summary by Sourcery

Add a new parser framework in the analyzers directory to generate and traverse ASTs for multiple languages, integrate it into the package exports, document its usage, and ensure correctness with examples and unit tests.

New Features:

  • Implement parser.py module with ASTNode and BaseParser classes and multi-language parsers (PythonParser, JavaScriptParser, TypeScriptParser)

Enhancements:

  • Expose parser classes and functions through the analyzers package init.py

Documentation:

  • Update analyzers/README.md with parser module documentation and usage examples
  • Add examples/parser_example.py demonstrating parsing and extraction workflows

Tests:

  • Add comprehensive unit tests in tests/test_analyzers_parser.py covering parsing, AST traversal, symbol extraction, and dependency analysis

Description by Korbit AI

What change is being made?

Implement parser.py to provide code parsing and Abstract Syntax Tree (AST) generation functionality for multiple programming languages in the analyzers directory, update README.md accordingly, and adjust __init__.py for module exports.

Why are these changes being made?

This implementation provides essential parsing capabilities necessary for comprehensive static code analysis, symbol extraction, and dependency analysis across different languages (Python, JavaScript, TypeScript), supporting the broader goal of improving code quality, PR validation, and error detection within the Codegen project. This modularity allows easy integration and scalability of the analyzers' capabilities.

Is this description stale? Ask me to generate a new description by commenting /korbit-generate-pr-description

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sourcery-ai bot commented May 12, 2025 •
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Reviewer's Guide

This PR fills in the missing parser layer by adding a comprehensive parser.py module (with ASTNode, BaseParser, CodegenParser, language-specific parsers, and utility functions), integrates it into the package exports, updates documentation, and adds targeted tests and usage examples.

File-Level Changes

Change Details Files
Implement new parser module with AST and multi-language support
  • Define ASTNode class with traversal, to_dict, and child management
  • Introduce BaseParser abstraction and ParseError exception
  • Implement CodegenParser with simplified AST building via SDK placeholder
  • Provide PythonParser, JavaScriptParser, TypeScriptParser subclasses
  • Add factory create_parser and convenience parse_file/parse_code functions
 codegen-on-oss/codegen_on_oss/analyzers/parser.py
Expose parser API in analyzers package
  • Append ASTNode, BaseParser, CodegenParser and language parsers to exports
  • Include create_parser, parse_file, and parse_code in init
 codegen-on-oss/codegen_on_oss/analyzers/__init__.py
Update analyzers README to document parser functionality
  • Revise module list to include parser.py
  • Add key features (AST generation, symbol/dependency extraction)
  • Embed code snippets for parse_file, parse_code, and parser classes
 codegen-on-oss/codegen_on_oss/analyzers/README.md
Add comprehensive unit tests for parser module
  • Test ASTNode init, traversal, to_dict, and child management
  • Validate CodegenParser parse_file & parse_code behavior
  • Verify symbol and dependency extraction logic
  • Cover PythonParser, JavaScriptParser, TypeScriptParser instantiation
  • Test create_parser, parse_file, and parse_code utilities
 codegen-on-oss/tests/test_analyzers_parser.py
Provide usage examples in standalone script
  • Create sample code files and code strings for parsing
  • Demonstrate symbol extraction and dependency reporting
  • Include examples for Python, JavaScript, and TypeScript parsing
  • Cleanup generated sample files after execution
 codegen-on-oss/examples/parser_example.py
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codegen-sh bot commented May 12, 2025

Hey! 👋 I see one of the checks failed. I am on it! 🫡

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codegen-sh bot commented May 12, 2025

Hey! 👋 I see one of the checks failed. I am on it! 🫡

💻 View my work

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codegen-sh bot commented May 12, 2025

Hey! 👋 I see one of the checks failed. I am on it! 🫡

💻 View my work

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codegen-sh bot commented May 12, 2025

🧩 I need a bit more direction!

This task is complex - could you break it down into smaller steps?
For best results, try to add specific context, explicitly mention symbol names, etc.

Reach out to our Slack community channel for any help!

@codegen-sh codegen-sh bot mentioned this pull request May 12, 2025
Merged
@Zeeeepa Zeeeepa merged commit 578e6cf into develop May 12, 2025
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@Zeeeepa