Remove cexpr

Cargo.toml

@@ -46,7 +46,6 @@ shlex = "0.1"
 
 [dependencies]
 bitflags = "1.0.3"
-cexpr = "0.4"
 cfg-if = "0.1.0"
 # This kinda sucks: https://github.com/rust-lang/cargo/issues/1982
 clap = { version = "2", optional = true }

src/clang.rs

@@ -5,7 +5,6 @@
 
 
 use crate::ir::context::BindgenContext;
-use cexpr;
 use clang_sys::*;
 use regex;
 use std::ffi::{CStr, CString};
@@ -696,35 +695,6 @@ impl Cursor {
         RawTokens::new(self)
     }
 
-    /// Gets the tokens that correspond to that cursor as  `cexpr` tokens.
-    pub fn cexpr_tokens(self) -> Vec<cexpr::token::Token> {
-        use cexpr::token;
-
-        self.tokens()
-            .iter()
-            .filter_map(|token| {
-                let kind = match token.kind {
-                    CXToken_Punctuation => token::Kind::Punctuation,
-                    CXToken_Literal => token::Kind::Literal,
-                    CXToken_Identifier => token::Kind::Identifier,
-                    CXToken_Keyword => token::Kind::Keyword,
-                    // NB: cexpr is not too happy about comments inside
-                    // expressions, so we strip them down here.
-                    CXToken_Comment => return None,
-                    _ => {
-                        error!("Found unexpected token kind: {:?}", token);
-                        return None;
-                    }
-                };
-
-                Some(token::Token {
-                    kind,
-                    raw: token.spelling().to_vec().into_boxed_slice(),
-                })
-            })
-            .collect()
-    }
-
     /// Gets the tokens that correspond to that cursor as `rcc` tokens.
     pub fn rcc_tokens<'a>(self) -> Vec<rcc::Locatable<rcc::Token>> {
         use rcc::{Files, Lexer};