X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Freport.git;a=blobdiff_plain;f=pret-trans.lua;h=a96002f1cb894ca9db119d60a0e9dc98464511c4;hp=7f32afded167f7f07fe3f1680c7b5b313a3d78c9;hb=4beb49a9e72cb653bcbbd053e3a1dba523b53f8f;hpb=3ff8ced65f6af69db754b35b263c7d6d9f19e61f

diff --git a/pret-trans.lua b/pret-trans.lua
index 7f32afd..a96002f 100644
--- a/pret-trans.lua
+++ b/pret-trans.lua
@@ -9,7 +9,7 @@
 
 local utf = unicode.utf8
 
-vis = buffers.newvisualizer("trans")
+local vis = buffers.newvisualizer("trans")
 
 local commands = {}
 -- A command to create a horizontal rule.
@@ -38,7 +38,6 @@ end
 
 -- Insert n blank lines
 local function blanks(n)
-    print("Inserting " .. n .. " blanks")
     for i = 1,n do
         buffers.visualizers.handlers.default.empty_line()
     end
@@ -64,6 +63,9 @@ end
 -- Capture all lines, without generating any output
 function vis.begin_of_display()
     lines = {}
+    -- Let all the lambda pretty printing in this buffer use shared subscript
+    -- detection
+    buffers.visualizers.handlers.lam.begin_of_block()
 end
 function vis.begin_of_line(n)
     -- Don't generate output here
@@ -92,8 +94,11 @@ function vis.end_of_display()
             break
         end
     end
-    print("Rule length: " .. len)
-   
+  
+    if not len then
+        error("No horizontal separator found in:\n" .. table.concat(lines, "\n"))
+    end
+
     -- Split the input in three parts. Stuff before the line, stuff
     -- after the line, stuff to the right of the line.
     before, after, rights = {}, {}, {}
@@ -106,7 +111,6 @@ function vis.end_of_display()
         if utf.match(left, "^%-%-%-*") then
             found_line = true
         else
-            print("Looking at " .. line .. "('" .. left .. "', '" .. right .. "')")
             if utf.len(left) > 0 then
                 if not found_line then
                     table.insert(before, left)
@@ -164,6 +168,7 @@ function vis.end_of_display()
     
     -- Clean up
     lines = {}
+    buffers.visualizers.handlers.lam.end_of_block()
 end
 
 -- vim: set sw=4 sts=4 expandtab ai: