Production rules in grammar

• Add production rules
• Add syntax analysis to compiler driver
• Add Loc factory methods using a terminal symbol
• Fix variable name in ErrorManager

Add error management

• Add support for reporting errors
• Report errors using the error manager
• Rename numeric literal terminal symbol

Range locations

• Add range locations
• Add more complete location information to terminal symbols

Lexer with terminal symbol positions

• Include terminal symbol position
• Update IntelliJ IDEA code style settings

More details of terminal symbols

• Rename main class
• Support command line options
• Rename the lexer class
• Use a custom name instead of sym for the class with the names of the terminal symbols
• Use an interface instead of class for the terminal symbols
• Print more details of terminal symbols

Use CUP with the lexer

• Organize Java code in packages
• Use CUP to name the terminal symbols
• Add a very simple eplan program for testing the compiler
• Make IntelliJ IDEA settings available

Very simple lexer for arithmetic expressions

• Very simple arithmetic expressions language
• Compiler has only a lexer and a driver
• Terminal symbols represented by integer numbers
• Driver prints the sequence of terminal symbols on standard output
• Read source code from standard input
• Project management with maven