Compatibility with ruby 1.8, force garbage cleanup for LVS/DRC and tests.

src/drc/drc/built-in-macros/_drc_engine.rb

@@ -1,5 +1,7 @@
 # $autorun-early
 
+require 'pathname'
+
 module DRC
 
   # The DRC engine
@@ -1335,6 +1337,8 @@ CODE
     
     def _finish(final = true)
 
+      begin
+
         _flush    
         
         view = RBA::LayoutView::current
@@ -1435,6 +1439,8 @@ CODE
 
         end
 
+      ensure
+
         @output_layout = nil
         @output_layout_file = nil
         @output_cell = nil
@@ -1457,6 +1463,11 @@ CODE
           @log_file = nil
         end
 
+        # force garbage collection
+        GC.start
+
+      end
+
     end
 
     def _take_data
@@ -1498,7 +1509,11 @@ CODE
       # resolves the file path relative to the source's path
       sp = self.source.path
       if sp
+        if File.respond_to?(:absolute_path)
           return File::absolute_path(file, File::dirname(sp))
+        else
+          return (Pathname::new(File::dirname(sp)) + Pathname.new(file)).to_s
+        end
       else
         return file
       end

src/drc/drc/built-in-macros/drc_interpreters.lym

@@ -41,7 +41,7 @@ module DRC
 
     ensure
 
-      # cleans up and creates layout views
+      # cleans up and creates layout and report views
       _drc._finish
 
     end

src/lvs/lvs/built-in-macros/lvs_interpreters.lym

@@ -41,7 +41,7 @@ module LVS
 
     ensure
 
-      # cleans up and creates layout views
+      # cleans up and creates layout and report views
       _lvs._finish
 
     end

testdata/ruby/test_epilogue.rb

@@ -3,6 +3,8 @@
 # environment is shut down. Therefore we must release all RBA objects by explicitly calling the GC
 # and start the test suite manually.
 
+begin
+
   err = 0
   any = nil
   repeat = (ENV["TESTREPEAT"] || "1").to_i
@@ -34,3 +36,7 @@ if err > 0
     raise("Tests failed (#{err} Errors + Failures)")
   end
 
+ensure
+  GC.start
+end
+

testdata/ruby/test_prologue.rb

@@ -35,3 +35,6 @@ Object.constants.each do |c|
   end
 end
 
+# Some cleanup ahead
+GC.start
+