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Diffstat (limited to 'src/token.rs')
-rw-r--r-- | src/token.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/token.rs b/src/token.rs new file mode 100644 index 0000000..dbc5949 --- /dev/null +++ b/src/token.rs @@ -0,0 +1,44 @@ +// (C) Copyright 2016 Jethro G. Beekman +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. +//! Representation of a C token +//! +//! This is designed to map onto a libclang CXToken. + +#[derive(Debug, Copy, Clone, PartialEq, Eq)] +#[allow(missing_docs)] +pub enum Kind { + Punctuation, + Keyword, + Identifier, + Literal, + Comment, +} + +/// A single token in a C expression. +#[derive(Debug, Clone, PartialEq, Eq)] +pub struct Token { + /// The type of this token. + pub kind: Kind, + /// The bytes that make up the token. + pub raw: Box<[u8]>, +} + +impl<'a> From<(Kind, &'a [u8])> for Token { + fn from((kind, value): (Kind, &'a [u8])) -> Token { + Token { + kind, + raw: value.to_owned().into_boxed_slice(), + } + } +} + +/// Remove all comment tokens from a vector of tokens +pub fn remove_comments(v: &mut Vec<Token>) -> &mut Vec<Token> { + v.retain(|t| t.kind != Kind::Comment); + v +} |