Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 85 insertions, 0 deletions

diff --git a/Source/WebKit2/Scripts/webkit2/parser.py b/Source/WebKit2/Scripts/webkit2/parser.py
new file mode 100644
index 000000000..525f137ec
--- /dev/null
+++ b/Source/WebKit2/Scripts/webkit2/parser.py
@@ -0,0 +1,85 @@
+# Copyright (C) 2010, 2011 Apple 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:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  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.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+
+import re
+
+import model
+
+
+def parse(file):
+    destination = None
+    messages = []
+    condition = None
+    master_condition = None
+    for line in file:
+        match = re.search(r'messages -> ([A-Za-z_0-9]+) {', line)
+        if match:
+            if condition:
+                master_condition = condition
+                condition = None
+            destination = match.group(1)
+            continue
+        if line.startswith('#'):
+            if line.startswith('#if '):
+                condition = line.rstrip()[4:]
+            elif line.startswith('#endif'):
+                condition = None
+            continue
+        match = re.search(r'([A-Za-z_0-9]+)\((.*?)\)(?:(?:\s+->\s+)\((.*?)\))?(?:\s+(.*))?', line)
+        if match:
+            name, parameters_string, reply_parameters_string, attributes_string = match.groups()
+            if parameters_string:
+                parameters = parse_parameters_string(parameters_string)
+                for parameter in parameters:
+                    parameter.condition = condition
+            else:
+                parameters = []
+
+            attributes = parse_attributes_string(attributes_string)
+
+            if reply_parameters_string:
+                reply_parameters = parse_parameters_string(reply_parameters_string)
+                for reply_parameter in reply_parameters:
+                    reply_parameter.condition = condition
+            elif reply_parameters_string == '':
+                reply_parameters = []
+            else:
+                reply_parameters = None
+
+            messages.append(model.Message(name, parameters, reply_parameters, attributes, condition))
+    return model.MessageReceiver(destination, messages, master_condition)
+
+
+def parse_attributes_string(attributes_string):
+    if not attributes_string:
+        return None
+    return attributes_string.split()
+
+
+def parse_parameters_string(parameters_string):
+    parameters = []
+    for parameter_string in parameters_string.split(', '):
+        match = re.search(r'\s*(?:\[(?P<attributes>.*?)\]\s+)?(?P<type_and_name>.*)', parameter_string)
+        attributes_string, type_and_name_string = match.group('attributes', 'type_and_name')
+        parameter_type, parameter_name = type_and_name_string.rsplit(' ', 1)
+        parameters.append(model.Parameter(type=parameter_type, name=parameter_name, attributes=parse_attributes_string(attributes_string)))
+    return parameters