Crate erl_pp [−] [src]

Erlang source code preprocessor.

Examples

use erl_pp::Preprocessor;
use erl_tokenize::Lexer;

let src = r#"-define(FOO(A), {A, ?LINE}). io:format("Hello: ~p", [?FOO(bar)])."#;
let pp = Preprocessor::new(Lexer::new(src));
let tokens = pp.collect::<Result<Vec<_>, _>>().unwrap();

assert_eq!(tokens.iter().map(|t| t.text()).collect::<Vec<_>>(),
           ["io", ":", "format", "(", r#""Hello: ~p""#, ",",
            "[", "{", "bar", ",", "1", "}", "]", ")", "."]);

References

Erlang Reference Manual -- Preprocessor

Modules

directives	Macro directives.
types	Miscellaneous types.

Structs

Error	This crate specific error type.
MacroCall	Macro call.
PredefinedMacros	Predefined macros.
Preprocessor	Erlang source code preprocessor.

Enums

Directive	Macro directive.
ErrorKind	The list of the possible error kinds

Type Definitions

Result

This crate specific Result type.