A parser takes tokens and builds a data structure like an abstract syntax tree (AST). The parser is concerned with context: does the sequence of tokens fit the grammar? A compiler is a combined lexer ...

titan-ast grammar file with regular expression style syntax,see grammar-file-syntax for details. default terminal grammar: Epsilon Eof. default nonterminal grammar: augmentedNonterminal. format of ...

The result is a fault tree diagram that shows the structure and logic of the failure scenario. A Fault Tree Analysis for an incident begins by identifying the top event and systematically ...

The nature of computational principles of syntax remains to be elucidated ... to properly measure the complexity of tree structures. Hypothesis II is that the basic frame of the syntactic structure of ...