y+: A yacc preprocessor for certain semantic actions

Yakker is a parser generator that supports semantic actions, lexical binding of semantic values, and speculative parsing techniques such as backtracking and context-free lookahead. To avoid executing semantic actions in speculative parses that will ...

The recovery of structure from flat sequences of input data is a problem that almost all programs need to solve. Computer Science has developed a wide array of declarative languages for describing the structure of languages, usually based on the context-...

Reusing syntax specifications without embedded arbitrary semantic actions is straightforward because the semantic analysis phases of new applications can feed off trees or other intermediate structures constructed by the pre-existing parser. The ...