diff options
Diffstat (limited to 'src/makefile/functions.rs')
| -rw-r--r-- | src/makefile/functions.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/makefile/functions.rs b/src/makefile/functions.rs index 51bf0f9..feb0e54 100644 --- a/src/makefile/functions.rs +++ b/src/makefile/functions.rs @@ -52,6 +52,10 @@ pub fn expand_call( assert_eq!(args.len(), 1); text::words(macros, &args[0]) } + "firstword" => { + assert_eq!(args.len(), 1); + text::firstword(macros, &args[0]) + } "lastword" => { assert_eq!(args.len(), 1); text::lastword(macros, &args[0]) @@ -266,6 +270,11 @@ mod text { Ok(words.split_whitespace().count().to_string()) } + pub fn firstword(macros: &MacroSet, words: &TokenString) -> Result<String> { + let words = macros.expand(words)?; + Ok(words.split_whitespace().nth(0).unwrap_or("").to_owned()) + } + pub fn lastword(macros: &MacroSet, words: &TokenString) -> Result<String> { let words = macros.expand(words)?; Ok(words.split_whitespace().last().unwrap_or("").to_owned()) |