Detect snippet math contexts

.vim/ftplugin/pandoc/wiki.vim

@@ -1,2 +1,18 @@
 set cc=81
 set cocu=""
+func! GetContext()
+  " https://stackoverflow.com/questions/9464844/how-to-get-group-name-of-highlighting-under-cursor-in-vim
+  if !exists("*synstack")
+    return
+  endif
+  let matches = map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
+  if index(matches, 'pandocLaTeXInlineMath') >= 0
+    echo 'math_inline'
+  elseif index(matches, 'pandocLaTeXMathBlock') >= 0
+    echo 'math_block'
+  else
+    echo ''
+  endif
+endfunc
+com! -nargs=0 GetContext :call GetContext()
+

.vim/snips/pandoc.snippets

@@ -24,6 +24,17 @@
 #
 # Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
 
+global !p
+def math():
+  return vim.command_output('GetContext') == 'math_inline' or vim.command_output('GetContext') == 'math_block'
+
+def math_inline():
+	return vim.command_output('GetContext') == 'math_inline'
+
+def math_block():
+	return vim.command_output('GetContext') == 'math_block'
+endglobal
+
 extends html
 
 # Zettelkasten templating