Crate erl_pp

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

MacroCall

Macro call.

Preprocessor

Erlang source code preprocessor.

Enums

Directive

Macro directive.

Error

Possible errors.

MacroDef

Macro definition.

Type Aliases

Result

This crate specific Result type.