Compiler

An ongoing Compiler project built using C#.

Phase 1: Lexer and Parser

Can parse binary expressions with parenthesis, return the result with error message and parser tree.

You can use #showTree to close or open printing parser tree. And use #cls to clear the screem.

1 + 3 * 5

16

(1 + 3) * 5

20

1 + 3 3

Result

└──BinaryExpression
    ├──LiteralExpression
    |   └──LiteralToken 1
    ├──PlusToken
    ├──LiteralExpression
        └──LiteralToken 3
ERROR: Unexpected token <NumberToken>, expected <EndOfFileToken>

Phase 2: Unary operator & Conditional statement