feat(syntax): add initial support for unicode-math

refer: #3004
lervag · Oct 3, 2024 · fcbaf66 · fcbaf66
1 parent 454082a
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diff --git a/autoload/vimtex/syntax/p/unicode_math.vim b/autoload/vimtex/syntax/p/unicode_math.vim
@@ -0,0 +1,58 @@
+" VimTeX - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      [email protected]
+"
+
+function! vimtex#syntax#p#unicode_math#load(cfg) abort " {{{1
+  syntax match texMathCmdStyle contained "\\symbb\>"
+  syntax match texMathCmdStyle contained "\\symbf\>"
+  syntax match texMathCmdStyle contained "\\symcal\>"
+  syntax match texMathCmdStyle contained "\\symfrak\>"
+  syntax match texMathCmdStyle contained "\\symit\>"
+  syntax match texMathCmdStyle contained "\\symbfit\>"
+  syntax match texMathCmdStyle contained "\\symnormal\>"
+  syntax match texMathCmdStyle contained "\\symrm\>"
+  syntax match texMathCmdStyle contained "\\symsf\>"
+  syntax match texMathCmdStyle contained "\\symtt\>"
+  syntax match texMathCmdStyle contained "\\symscr\>"
+
+  let [l:conceal, l:concealends] =
+        \ (g:vimtex_syntax_conceal.styles ? ['conceal', 'concealends'] : ['', ''])
+
+  let l:map = {
+        \ 'texMathCmdStyleBold': 'texMathStyleBold',
+        \ 'texMathCmdStyleItal': 'texMathStyleItal',
+        \ 'texMathCmdStyleBoth': 'texMathStyleBoth',
+        \}
+
+  for [l:group, l:pattern] in [
+        \ ['texMathCmdStyleBold', 'symbf'],
+        \ ['texMathCmdStyleItal', 'symit'],
+        \ ['texMathCmdStyleBoth', 'symbfit'],
+        \]
+    execute 'syntax match' l:group '"\\' . l:pattern . '\>"'
+          \ 'contained skipwhite nextgroup=' . l:map[l:group]
+          \ l:conceal
+  endfor
+
+  if g:vimtex_syntax_conceal.styles
+    syntax match texMathCmdStyle "\v\\sym%(rm|tt|normal|sf)>"
+          \ contained conceal skipwhite nextgroup=texMathStyleConcArg
+  endif
+
+  if g:vimtex_syntax_conceal.math_symbols
+    for [l:cmd, l:alphabet_map] in [
+          \ ['sym\%(bb\%(b\|m\%(ss\|tt\)\?\)\?\|ds\)', 'double'],
+          \ ['symfrak', 'fraktur'],
+          \ ['sym\%(scr\|cal\)', 'script'],
+          \ ['symbffrak', 'fraktur_bold'],
+          \ ['symbf\%(scr\|cal\)', 'script_bold'],
+          \]
+      let l:pairs = vimtex#syntax#core#get_alphabet_map(l:alphabet_map)
+      call vimtex#syntax#core#conceal_cmd_pairs(l:cmd, l:pairs)
+    endfor
+  endif
+endfunction
+
+" }}}1
diff --git a/test/test-syntax/test-unicode-math.tex b/test/test-syntax/test-unicode-math.tex
@@ -0,0 +1,27 @@
+\documentclass{minimal}
+\usepackage{unicode-math}
+
+\begin{document}
+
+\begin{equation}
+  \symbb{P}
+  \symbf{test}
+  \symcal{a}
+  \symcal{A}
+  \symbfcal{a}
+  \symbfcal{A}
+  \symcal{aA}
+  \symfrak{b}
+  \symfrak{B}
+  \symbffrak{b}
+  \symbffrak{B}
+  \symit{italized}
+  \symbfit{bold itals}
+  \symnormal{Re}
+  \symrm{Re}
+  \symsf{aA}
+  \symtt{aA}
+  \symscr{aA}
+\end{equation}
+
+\end{document}
diff --git a/test/test-syntax/test-unicode-math.vim b/test/test-syntax/test-unicode-math.vim
@@ -0,0 +1,7 @@
+source common.vim
+
+EditConcealed test-unicode-math.tex
+
+if empty($INMAKE) | finish | endif
+
+call vimtex#test#finished()