Module ce_parser

• Function index
• Exported functions
• Documented Internal Functions

Description

These functions implement a simple scanner and parser which, though inefficient, are flexible and may be suitable for rapid prototyping.

Function Index

Exported Functions

eval/1

eval(Arg1) -> term()

parse/3

parse([token()], [production()], production_name()) -> {ok, {[token()], parse_tree()}} | {error, Reason}

• production() = {production_name(), [token_name()], production_body()}
• production_body() = [token_name() | production_name()]
• production_name() = atom()
• parse_tree() = {production_name(), [token()], [parse_tree()]}

Parses a list of tokens into a parse tree.

scan/2

scan(string(), [token_spec()]) -> {ok, [token()]} | {error, Reason}

• token_spec() = {token_name(), regexp(), token_type()}
• token_name() = atom()
• token_type() = whitespace | delimiter | literal
• token() = {token_name(), string() | delimiter}

Scans a string for tokens.

test/0

test() -> term()