Surface.Lexer_commonSourceAuxiliary functions used by all lexers.
Reference, used by the lexer as the mutable state to distinguish whether it is lexing code or law.
Buffer that accumulates the string representation of the body of code being lexed. This string representation is used in the literate programming backends to faithfully capture the spacing pattern of the original program
Updates code_buffer with the current lexeme
Error-generating helper
Associative list matching each punctuation string part of the Catala syntax with its Surface.Parser token. Same for all the input languages (English, French, etc.)
Calculates the precedence according a matched regex of the form : '#+'
Gets the LAW_HEADING token from the current lexbuf
Simplified tokens for dependency extraction