Module enso_flexer::generate

This file contains utilities for generating rust code from lexer definitions, allowing the flexer to be specialised for a specific language.

Enums

GenError

Errors that arise during code generation.

Functions

automaton_for_group	Generate the functions that implement the lexer automaton for a given lexer state.
branch_body	Generate the branch body for a transition in the DFA.
dfa_has_rule_name_for	Check if the DFA has a rule name for the provided target state.
dispatch_in_state	Generate the dispatch function for a given lexer state.
has_reader_arg	Checks if the given expr is a call with a single argument “reader” being passed.
match_for_transition	Generate the pattern match for a given transition function.
name_for_step	Generate a name for a given step function.
rule_for_state	Generate an executable rule function for a given lexer state.
run_current_state_function	Generate the function responsible for executing the lexer in its current state.
run_function	Generate the run function for the specialized lexer.
show_code	Convert the syntax tree into a string.
specialize	Generate specialized code for the provided lexer definition.
step	Generate the step function for the lexer.
step_match_arm	Generate a match arm for the step function.
str_to_ident	Convert a string to an identifier.
str_to_path	Convert a string to a path.
transition_for_dfa	Generate a specific transition function for
transitions_for_dfa	Generate a set of transition functions for the provided dfa, with identifier id.
wrap_in_impl_for	Wrap the provided implementation items into an impl block for the provided state_name type.