better temp dir definition and usage, and more debugging output in emcc

1 files changed, 13 insertions, 1 deletions

diff --git a/emcc b/emcc
index 6c22276d..571126f3 100755
--- a/emcc
+++ b/emcc
@@ -472,25 +472,37 @@ try:
     final += '.tr.js'
     process(final)
 
+  if DEBUG:
+    shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-0.js'))
+    final = shared.Building.js_optimizer(final, []) # Clean up the syntax a bit, so comparisons to later passes are simpler
+    shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-1.js'))
+
   if opt_level >= 1:
     # js optimizer
     if DEBUG: print >> sys.stderr, 'emcc: running pre-closure post-opts'
-    final = shared.Building.js_optimizer(final, ['hoistMultiples', 'loopOptimizer'])
+    final = shared.Building.js_optimizer(final, ['hoistMultiples'])
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-2.js'))
+    final = shared.Building.js_optimizer(final, ['loopOptimizer'])
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-2.5.js'))
 
     # eliminator
     final = shared.Building.eliminator(final)
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-3.js'))
 
     # js optimizer pre-pass
     final = shared.Building.js_optimizer(final, 'simplifyExpressionsPre')
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-4.js'))
 
   if closure:
     if DEBUG: print >> sys.stderr, 'emcc: running closure'
     final = shared.Building.closure_compiler(final)
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-5.js'))
 
   if opt_level >= 1:
     # js optimizer post-pass
     if DEBUG: print >> sys.stderr, 'emcc: running post-closure post-opts'
     final = shared.Building.js_optimizer(final, 'simplifyExpressionsPost')
+    if DEBUG: shutil.copyfile(final, os.path.join(shared.EMSCRIPTEN_TEMP_DIR, 'emcc-6.js'))
 
   # If we were asked to also generate HTML, do that
   if final_suffix == 'html':