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Unified Diff: tools/dom/new_scripts/dart_compiler.py

Issue 444743002: Use Blink IDL parser for dart libraries. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Merged Created 6 years, 3 months ago
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Index: tools/dom/new_scripts/dart_compiler.py
diff --git a/tools/dom/new_scripts/dart_compiler.py b/tools/dom/new_scripts/dart_compiler.py
new file mode 100755
index 0000000000000000000000000000000000000000..b766fb39ac98b3db256bf4fea2065019fa474b13
--- /dev/null
+++ b/tools/dom/new_scripts/dart_compiler.py
@@ -0,0 +1,115 @@
+#!/usr/bin/python
+# Copyright (C) 2013 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Compile an .idl file to Blink C++ bindings (.h and .cpp files) for Dart:HTML.
+
+Design doc: http://www.chromium.org/developers/design-documents/idl-compiler
+"""
+
+import abc
+from optparse import OptionParser
+import os
+import cPickle as pickle
+
+from idl_reader import IdlReader
+from utilities import write_file
+
+
+# TODO(terry): Temporary whitelist of IDL files to skip code generating. e.g.,
+# adding 'Animation.idl' to this list will skip that IDL file.
+SKIP_IDL_FILES = ['']
+
+
+def parse_options():
+ parser = OptionParser()
+ parser.add_option('--idl-attributes-file',
+ help="location of bindings/IDLExtendedAttributes.txt")
+ parser.add_option('--output-directory')
+ parser.add_option('--interfaces-info-file')
+ parser.add_option('--write-file-only-if-changed', type='int')
+ # ensure output comes last, so command line easy to parse via regexes
+ parser.disable_interspersed_args()
+
+ options, args = parser.parse_args()
+ if options.output_directory is None:
+ parser.error('Must specify output directory using --output-directory.')
+ options.write_file_only_if_changed = bool(options.write_file_only_if_changed)
+ if len(args) != 1:
+ parser.error('Must specify exactly 1 input file as argument, but %d given.' % len(args))
+ idl_filename = os.path.realpath(args[0])
+ return options, idl_filename
+
+
+def idl_filename_to_interface_name(idl_filename):
+ basename = os.path.basename(idl_filename)
+ interface_name, _ = os.path.splitext(basename)
+ return interface_name
+
+
+class IdlCompiler(object):
+ """Abstract Base Class for IDL compilers.
+
+ In concrete classes:
+ * self.code_generator must be set, implementing generate_code()
+ (returning a list of output code), and
+ * compile_file() must be implemented (handling output filenames).
+ """
+ __metaclass__ = abc.ABCMeta
+
+ def __init__(self, output_directory, code_generator=None,
+ interfaces_info=None, interfaces_info_filename='',
+ only_if_changed=False):
+ """
+ Args:
+ interfaces_info:
+ interfaces_info dict
+ (avoids auxiliary file in run-bindings-tests)
+ interfaces_info_file: filename of pickled interfaces_info
+ """
+ self.code_generator = code_generator
+ if interfaces_info_filename:
+ with open(interfaces_info_filename) as interfaces_info_file:
+ interfaces_info = pickle.load(interfaces_info_file)
+ self.interfaces_info = interfaces_info
+
+ self.only_if_changed = only_if_changed
+ self.output_directory = output_directory
+ self.reader = IdlReader(interfaces_info, output_directory, True)
+
+ def compile_and_write(self, idl_filename, output_filenames):
+ # Only compile the IDL file and return the AST.
+ definitions = self.reader.read_idl_definitions(idl_filename)
+ return definitions
+
+ def generate_global_and_write(self, output_filenames):
+ pass
+
+ @abc.abstractmethod
+ def compile_file(self, idl_filename):
+ pass
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