Compiler design - Lexical and Syntax Analysis . Contribute to dev-penny/Pascal600-compiler-design development by creating an account on GitHub.

Semantic Analyzer The semantic analyzer is a phase of the compiler that takes the Abstract Syntax Tree (AST) produced by the parser and checks it for semantic errors. These are errors that are not ...

At first, syntax tree is described based on the augmented regular expression. Then formal description of important operators, checking nullability and computing first and last positions of internal ...