Add racc debugging ability.

codegram · Dec 22, 2011 · 1c3b3287377f751171918e3daba90ef0fe9d0c75 · 1c3b328
1 parent b6ee8e6
commit 1c3b3287377f751171918e3daba90ef0fe9d0c75
Unified Split

Showing with 3 additions and 1 deletion.

+1 −1 Rakefile

+1 −0 lib/gherkin/parser/gherkin.y

+1 −0 lib/gherkin/parser/parser.rb
diff --git a/Rakefile b/Rakefile
@@ -15,7 +15,7 @@ task :regenerate do
 
   if has_rex && has_racc
     `rex lib/gherkin/parser/gherkin.rex -o lib/gherkin/parser/lexer.rb`
-    `racc lib/gherkin/parser/gherkin.y -o lib/gherkin/parser/parser.rb`
+    `racc #{'--debug' if ENV['DEBUG_RACC']} lib/gherkin/parser/gherkin.y -o lib/gherkin/parser/parser.rb`
   else
     puts "You need both Rexical and Racc to do that. Install them by doing:"
     puts
diff --git a/lib/gherkin/parser/gherkin.y b/lib/gherkin/parser/gherkin.y
@@ -96,5 +96,6 @@ end
 ---- inner
 
   def parse(input)
+    @yydebug = true if ENV['DEBUG_RACC']
     scan_str(input)
   end
diff --git a/lib/gherkin/parser/parser.rb b/lib/gherkin/parser/parser.rb