Merkompiler with Syntax and Semantics Analysis

Features

General

• internal improvements
• added --graphical CLI argument to output a .dot description of a program's abstract syntax tree
  

Parser

• improve the error messages' helpfulness
• add error messages for semantics errors:
  • type errors
  • return checking
  • check for multiple declarations of variables and procedures
  • forbid assignments to constant fields

Merkompiler with Parser

Features

General

• internal improvements
• added --skip-after CLI argument to stop the program after the scanning or parsing stage

Scanner

• recognizes commas

Parser

• implemented with supporting the full grammar
• tested with a lot of test cases

Merkompiler with Scanner

This version of Merkompiler comes with a Scanner/Lexer/Tokenizer only.

Features

• CLI with --help, --verbose and --output
• lexing of input files with respect to the JavaSST language specification
• basic test suite