WebIDL: Update webidl_binder from upstream

Use as base this files:
https://github.com/emscripten-core/emscripten/blob/f36f9fcaf83db93e6a6d0f0cdc47ab6379ade139/third_party/WebIDL.py
https://github.com/emscripten-core/emscripten/blob/c834ef7d69ccb4100239eeba0b0f6573fed063bc/tools/tempfiles.py
https://github.com/emscripten-core/emscripten/blob/f36f9fcaf83db93e6a6d0f0cdc47ab6379ade139/tools/webidl_binder.py

Author: TFSThiagoBR98

build/WebIDL.py

@@ -1,4 +1,9 @@
-# from http://mxr.mozilla.org/mozilla-central/source/dom/bindings/parser/WebIDL.py
+## JavascriptSubtitlesOctopus
+## Patched to:
+##   - add integer pointers (IntPtr)
+## From https://github.com/emscripten-core/emscripten/blob/f36f9fcaf83db93e6a6d0f0cdc47ab6379ade139/third_party/WebIDL.py
+
+# from https://hg.mozilla.org/mozilla-central/file/tip/dom/bindings/parser/WebIDL.py
 # rev 501baeb3a034
 
 # This Source Code Form is subject to the terms of the Mozilla Public
@@ -4923,11 +4928,12 @@ def p_error(self, p):
 
     def __init__(self, outputdir='', lexer=None):
         Tokenizer.__init__(self, outputdir, lexer)
-        self.parser = yacc.yacc(module=self,
+        self.parser = yacc.yacc(debug=0,
+                                module=self,
                                 outputdir=outputdir,
                                 tabmodule='webidlyacc',
-                                errorlog=yacc.NullLogger(),
-                                picklefile='WebIDLGrammar.pkl')
+                                write_tables=0,
+                                errorlog=yacc.NullLogger())
         self._globalScope = IDLScope(BuiltinLocation("<Global Scope>"), None, None)
         self._installBuiltins(self._globalScope)
         self._productions = []

build/tempfiles.py

@@ -1,9 +1,11 @@
+## JavascriptSubtitlesOctopus
+## From https://github.com/emscripten-core/emscripten/blob/c834ef7d69ccb4100239eeba0b0f6573fed063bc/tools/tempfiles.py
+
 # Copyright 2013 The Emscripten Authors.  All rights reserved.
 # Emscripten is available under two separate licenses, the MIT license and the
 # University of Illinois/NCSA Open Source License.  Both these licenses can be
 # found in the LICENSE file.
 
-from __future__ import print_function
 import os
 import shutil
 import tempfile
@@ -28,13 +30,14 @@ def try_delete(pathname):
   if not os.path.exists(pathname):
     return
 
-  write_bits = stat.S_IWRITE | stat.S_IWGRP | stat.S_IWOTH
+  # Ensure all files are readable and writable by the current user.
+  permission_bits = stat.S_IWRITE | stat.S_IREAD
 
   def is_writable(path):
-    return (os.stat(path).st_mode & write_bits) == write_bits
+    return (os.stat(path).st_mode & permission_bits) != permission_bits
 
   def make_writable(path):
-    os.chmod(path, os.stat(path).st_mode | write_bits)
+    os.chmod(path, os.stat(path).st_mode | permission_bits)
 
   # Some tests make files and subdirectories read-only, so rmtree/unlink will not delete
   # them. Force-make everything writable in the subdirectory to make it
@@ -54,9 +57,9 @@ def make_writable(path):
     pass
 
 
-class TempFiles(object):
-  def __init__(self, tmp, save_debug_files=False):
-    self.tmp = tmp
+class TempFiles:
+  def __init__(self, tmpdir, save_debug_files):
+    self.tmpdir = tmpdir
     self.save_debug_files = save_debug_files
     self.to_clean = []
 
@@ -67,17 +70,19 @@ def note(self, filename):
 
   def get(self, suffix):
     """Returns a named temp file with the given prefix."""
-    named_file = tempfile.NamedTemporaryFile(dir=self.tmp, suffix=suffix, delete=False)
+    named_file = tempfile.NamedTemporaryFile(dir=self.tmpdir, suffix=suffix, delete=False)
     self.note(named_file.name)
     return named_file
 
   def get_file(self, suffix):
-    """Returns an object representing a RAII-like access to a temp file, that has convenient pythonesque
-    semantics for being used via a construct 'with TempFiles.get_file(..) as filename:'. The file will be
-    deleted immediately once the 'with' block is exited."""
-    class TempFileObject(object):
+    """Returns an object representing a RAII-like access to a temp file
+    that has convenient pythonesque semantics for being used via a construct
+      'with TempFiles.get_file(..) as filename:'.
+    The file will be deleted immediately once the 'with' block is exited.
+    """
+    class TempFileObject:
       def __enter__(self_):
-        self_.file = tempfile.NamedTemporaryFile(dir=self.tmp, suffix=suffix, delete=False)
+        self_.file = tempfile.NamedTemporaryFile(dir=self.tmpdir, suffix=suffix, delete=False)
         self_.file.close() # NamedTemporaryFile passes out open file handles, but callers prefer filenames (and open their own handles manually if needed)
         return self_.file.name
 
@@ -88,20 +93,14 @@ def __exit__(self_, type, value, traceback):
 
   def get_dir(self):
     """Returns a named temp directory with the given prefix."""
-    directory = tempfile.mkdtemp(dir=self.tmp)
+    directory = tempfile.mkdtemp(dir=self.tmpdir)
     self.note(directory)
     return directory
 
   def clean(self):
     if self.save_debug_files:
-      print('not cleaning up temp files since in debug-save mode, see them in %s' % (self.tmp,), file=sys.stderr)
+      print(f'not cleaning up temp files since in debug-save mode, see them in {self.tmpdir}', file=sys.stderr)
       return
     for filename in self.to_clean:
       try_delete(filename)
     self.to_clean = []
-
-  def run_and_clean(self, func):
-    try:
-      return func()
-    finally:
-      self.clean()