Lexical analyzer

The program implements lexical and syntactic parsers. The program is written for code that is very similar to Pascal (PascalABC).

Implemented features

• Lexical analyzer
• Syntax analyzer
• Basic error search (Unknown type/value)

Implemented lexems

• Variable ("true" and "true1" are different)
• States (true, false)
• Separators (';' does not equal ':')

Not implemented:

• Search for errors in the logic or spelling of lexemes
• Floating point number detection
• Arrays []
• Loops (for, while, etc)
• A lot of other things.

Screenshots

This abstract syntax tree is based on the file \Samples\Sample 2.txt

License

MIT