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Add Rust detection to propane.vim

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This commit is contained in:
Josh Holtrop 2026-08-20 16:25:57 -04:00
parent 7fd1505710
commit 6ab4340abc
1 changed files with 17 additions and 1 deletions
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18
extra/vim/syntax/propane.vim
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@ -7,12 +7,28 @@ if exists("b:current_syntax")
finish finish
endif endif
" Guess the language of the user code blocks from their contents so that the
" matching syntax file can be included below. b:propane_subtype may also be set
" before this file is sourced to select the language explicitly.
if !exists("b:propane_subtype") if !exists("b:propane_subtype")
if search('\<import\s\+\%(std\|core\)\.', 'nw') > 0 " Rust markers. Each keyword requires the syntax that follows it in Rust so
" that a plain identifier of the same name in another language does not match
" (`int fn = 3;' in C, for example). Type names are only accepted within a
" `ptype' statement for the same reason.
let s:rust = '\<let\s\+\%(mut\s\+\)\?\w'
let s:rust .= '\|\<fn\s\+\w\+\s*('
let s:rust .= '\|&mut\>\|\<pub\s\+\w\|\<impl\s\+\w'
let s:rust .= '\|#\[\|\<use\s\+\%(std\|core\)::'
let s:rust .= '\|\<ptype\>[^;]*\<\%(isize\|usize\|i8\|i16\|i32\|i64\|i128'
let s:rust .= '\|u8\|u16\|u32\|u64\|u128\|f32\|f64\|String\)\>'
if search(s:rust, 'nw') > 0
let b:propane_subtype = "rust"
elseif search('\<import\s\+\%(std\|core\)\.', 'nw') > 0
let b:propane_subtype = "d" let b:propane_subtype = "d"
else else
let b:propane_subtype = "cpp" let b:propane_subtype = "cpp"
endif endif
unlet s:rust
endif endif
exe "syn include @propaneTarget syntax/".b:propane_subtype.".vim" exe "syn include @propaneTarget syntax/".b:propane_subtype.".vim"