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Side by Side Diff: Source/bindings/scripts/unstable/idl_reader.py

Issue 181513006: IDL compiler: delete Perl compiler, remove unstable/ directory (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 10 months ago
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1 # Copyright (C) 2013 Google Inc. All rights reserved.
2 #
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions are
5 # met:
6 #
7 # * Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # * Redistributions in binary form must reproduce the above
10 # copyright notice, this list of conditions and the following disclaimer
11 # in the documentation and/or other materials provided with the
12 # distribution.
13 # * Neither the name of Google Inc. nor the names of its
14 # contributors may be used to endorse or promote products derived from
15 # this software without specific prior written permission.
16 #
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 """Read an IDL file or complete IDL interface, producing an IdlDefinitions objec t."""
30
31 import os.path
32
33 import blink_idl_parser
34 import idl_definitions_builder
35 import idl_validator
36 import interface_dependency_resolver
37
38
39 class IdlReader(object):
40 def __init__(self, interfaces_info=None, idl_attributes_filename=None, outpu tdir=''):
41 if idl_attributes_filename:
42 self.extended_attribute_validator = idl_validator.IDLExtendedAttribu teValidator(idl_attributes_filename)
43 else:
44 self.extended_attribute_validator = None
45
46 if interfaces_info:
47 self.interface_dependency_resolver = interface_dependency_resolver.I nterfaceDependencyResolver(interfaces_info, self)
48 else:
49 self.interface_dependency_resolver = None
50
51 self.parser = blink_idl_parser.BlinkIDLParser(outputdir=outputdir)
52
53 def read_idl_definitions(self, idl_filename):
54 """Returns an IdlDefinitions object for an IDL file, including all depen dencies."""
55 definitions = self.read_idl_file(idl_filename)
56 if not self.interface_dependency_resolver:
57 return definitions
58
59 interface_name, _ = os.path.splitext(os.path.basename(idl_filename))
60 self.interface_dependency_resolver.resolve_dependencies(
61 definitions, interface_name)
62 return definitions
63
64 def read_idl_file(self, idl_filename):
65 """Returns an IdlDefinitions object for an IDL file, without any depende ncies."""
66 ast = blink_idl_parser.parse_file(self.parser, idl_filename)
67 definitions = idl_definitions_builder.build_idl_definitions_from_ast(ast )
68 if not self.extended_attribute_validator:
69 return definitions
70
71 try:
72 self.extended_attribute_validator.validate_extended_attributes(defin itions)
73 except idl_validator.IDLInvalidExtendedAttributeError as error:
74 raise idl_validator.IDLInvalidExtendedAttributeError("""IDL ATTRIBUT E ERROR in file %s:
75 %s
76 If you want to add a new IDL extended attribute, please add it to
77 bindings/IDLExtendedAttributes.txt
78 and add an explanation to the Blink IDL documentation at:
79 http://www.chromium.org/blink/webidl/blink-idl-extended-attributes
80 """ % (idl_filename, str(error)))
81
82 return definitions
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