add latex completions – fixes JuliaIDE/Julia-LT#21

JuliaIDE · Jun 12, 2014 · 877871c · 877871c
1 parent d20a17b
commit 877871c
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diff --git a/src/completions.jl b/src/completions.jl
@@ -21,11 +21,20 @@ const completions = Dict{String,Function}()
 
 complete(f, s) = completions[s] = f
 
+const latex_completions = [{:completion => completion, :text => text}
+                           for (text, completion) in Base.REPLCompletions.latex_symbols]
+
 handle("editor.julia.hints") do req, data
   cur_line = lines(data["code"])[data["cursor"]["line"]]
   cur_line |> isempty && return
   pos = data["cursor"]["col"]
 
+  latex = get_latex_input(cur_line, pos)
+  if latex != ""
+    return editor_command(req, "hints", {:hints => latex_completions,
+                                         :notextual => true})
+  end
+
   mod = get_module_name(data)
 
   qualified = @> cur_line get_qualified_name(pos) split(".")

diff --git a/src/parse.jl b/src/parse.jl
@@ -124,3 +124,8 @@ function get_qualified_name(str::String, index)
     return pre * post
   end
 end
+
+function get_latex_input(str::String, index)
+  pre = str[1:(index <= endof(str) ? index : end)]
+  match_or_empty(r"\\[a-zA-Z0-9_^]*$", pre)
+end