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-rwxr-xr-xsrc/gallium/tools/trace/parse.py392
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diff --git a/src/gallium/tools/trace/parse.py b/src/gallium/tools/trace/parse.py
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+#!/usr/bin/env python
+##########################################################################
+#
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sub license, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice (including the
+# next paragraph) shall be included in all copies or substantial portions
+# of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+##########################################################################
+
+
+import sys
+import xml.parsers.expat
+import binascii
+import optparse
+
+from model import *
+
+
+ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF = range(4)
+
+
+class XmlToken:
+
+ def __init__(self, type, name_or_data, attrs = None, line = None, column = None):
+ assert type in (ELEMENT_START, ELEMENT_END, CHARACTER_DATA, EOF)
+ self.type = type
+ self.name_or_data = name_or_data
+ self.attrs = attrs
+ self.line = line
+ self.column = column
+
+ def __str__(self):
+ if self.type == ELEMENT_START:
+ return '<' + self.name_or_data + ' ...>'
+ if self.type == ELEMENT_END:
+ return '</' + self.name_or_data + '>'
+ if self.type == CHARACTER_DATA:
+ return self.name_or_data
+ if self.type == EOF:
+ return 'end of file'
+ assert 0
+
+
+class XmlTokenizer:
+ """Expat based XML tokenizer."""
+
+ def __init__(self, fp, skip_ws = True):
+ self.fp = fp
+ self.tokens = []
+ self.index = 0
+ self.final = False
+ self.skip_ws = skip_ws
+
+ self.character_pos = 0, 0
+ self.character_data = ''
+
+ self.parser = xml.parsers.expat.ParserCreate()
+ self.parser.StartElementHandler = self.handle_element_start
+ self.parser.EndElementHandler = self.handle_element_end
+ self.parser.CharacterDataHandler = self.handle_character_data
+
+ def handle_element_start(self, name, attributes):
+ self.finish_character_data()
+ line, column = self.pos()
+ token = XmlToken(ELEMENT_START, name, attributes, line, column)
+ self.tokens.append(token)
+
+ def handle_element_end(self, name):
+ self.finish_character_data()
+ line, column = self.pos()
+ token = XmlToken(ELEMENT_END, name, None, line, column)
+ self.tokens.append(token)
+
+ def handle_character_data(self, data):
+ if not self.character_data:
+ self.character_pos = self.pos()
+ self.character_data += data
+
+ def finish_character_data(self):
+ if self.character_data:
+ if not self.skip_ws or not self.character_data.isspace():
+ line, column = self.character_pos
+ token = XmlToken(CHARACTER_DATA, self.character_data, None, line, column)
+ self.tokens.append(token)
+ self.character_data = ''
+
+ def next(self):
+ size = 16*1024
+ while self.index >= len(self.tokens) and not self.final:
+ self.tokens = []
+ self.index = 0
+ data = self.fp.read(size)
+ self.final = len(data) < size
+ data = data.rstrip('\0')
+ try:
+ self.parser.Parse(data, self.final)
+ except xml.parsers.expat.ExpatError, e:
+ #if e.code == xml.parsers.expat.errors.XML_ERROR_NO_ELEMENTS:
+ if e.code == 3:
+ pass
+ else:
+ raise e
+ if self.index >= len(self.tokens):
+ line, column = self.pos()
+ token = XmlToken(EOF, None, None, line, column)
+ else:
+ token = self.tokens[self.index]
+ self.index += 1
+ return token
+
+ def pos(self):
+ return self.parser.CurrentLineNumber, self.parser.CurrentColumnNumber
+
+
+class TokenMismatch(Exception):
+
+ def __init__(self, expected, found):
+ self.expected = expected
+ self.found = found
+
+ def __str__(self):
+ return '%u:%u: %s expected, %s found' % (self.found.line, self.found.column, str(self.expected), str(self.found))
+
+
+
+class XmlParser:
+ """Base XML document parser."""
+
+ def __init__(self, fp):
+ self.tokenizer = XmlTokenizer(fp)
+ self.consume()
+
+ def consume(self):
+ self.token = self.tokenizer.next()
+
+ def match_element_start(self, name):
+ return self.token.type == ELEMENT_START and self.token.name_or_data == name
+
+ def match_element_end(self, name):
+ return self.token.type == ELEMENT_END and self.token.name_or_data == name
+
+ def element_start(self, name):
+ while self.token.type == CHARACTER_DATA:
+ self.consume()
+ if self.token.type != ELEMENT_START:
+ raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
+ if self.token.name_or_data != name:
+ raise TokenMismatch(XmlToken(ELEMENT_START, name), self.token)
+ attrs = self.token.attrs
+ self.consume()
+ return attrs
+
+ def element_end(self, name):
+ while self.token.type == CHARACTER_DATA:
+ self.consume()
+ if self.token.type != ELEMENT_END:
+ raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
+ if self.token.name_or_data != name:
+ raise TokenMismatch(XmlToken(ELEMENT_END, name), self.token)
+ self.consume()
+
+ def character_data(self, strip = True):
+ data = ''
+ while self.token.type == CHARACTER_DATA:
+ data += self.token.name_or_data
+ self.consume()
+ if strip:
+ data = data.strip()
+ return data
+
+
+class TraceParser(XmlParser):
+
+ def __init__(self, fp):
+ XmlParser.__init__(self, fp)
+ self.last_call_no = 0
+
+ def parse(self):
+ self.element_start('trace')
+ while self.token.type not in (ELEMENT_END, EOF):
+ call = self.parse_call()
+ self.handle_call(call)
+ if self.token.type != EOF:
+ self.element_end('trace')
+
+ def parse_call(self):
+ attrs = self.element_start('call')
+ try:
+ no = int(attrs['no'])
+ except KeyError:
+ self.last_call_no += 1
+ no = self.last_call_no
+ else:
+ self.last_call_no = no
+ klass = attrs['class']
+ method = attrs['method']
+ args = []
+ ret = None
+ while self.token.type == ELEMENT_START:
+ if self.token.name_or_data == 'arg':
+ arg = self.parse_arg()
+ args.append(arg)
+ elif self.token.name_or_data == 'ret':
+ ret = self.parse_ret()
+ elif self.token.name_or_data == 'call':
+ # ignore nested function calls
+ self.parse_call()
+ else:
+ raise TokenMismatch("<arg ...> or <ret ...>", self.token)
+ self.element_end('call')
+
+ return Call(no, klass, method, args, ret)
+
+ def parse_arg(self):
+ attrs = self.element_start('arg')
+ name = attrs['name']
+ value = self.parse_value()
+ self.element_end('arg')
+
+ return name, value
+
+ def parse_ret(self):
+ attrs = self.element_start('ret')
+ value = self.parse_value()
+ self.element_end('ret')
+
+ return value
+
+ def parse_value(self):
+ expected_tokens = ('null', 'bool', 'int', 'uint', 'float', 'string', 'enum', 'array', 'struct', 'ptr', 'bytes')
+ if self.token.type == ELEMENT_START:
+ if self.token.name_or_data in expected_tokens:
+ method = getattr(self, 'parse_' + self.token.name_or_data)
+ return method()
+ raise TokenMismatch(" or " .join(expected_tokens), self.token)
+
+ def parse_null(self):
+ self.element_start('null')
+ self.element_end('null')
+ return Literal(None)
+
+ def parse_bool(self):
+ self.element_start('bool')
+ value = int(self.character_data())
+ self.element_end('bool')
+ return Literal(value)
+
+ def parse_int(self):
+ self.element_start('int')
+ value = int(self.character_data())
+ self.element_end('int')
+ return Literal(value)
+
+ def parse_uint(self):
+ self.element_start('uint')
+ value = int(self.character_data())
+ self.element_end('uint')
+ return Literal(value)
+
+ def parse_float(self):
+ self.element_start('float')
+ value = float(self.character_data())
+ self.element_end('float')
+ return Literal(value)
+
+ def parse_enum(self):
+ self.element_start('enum')
+ name = self.character_data()
+ self.element_end('enum')
+ return NamedConstant(name)
+
+ def parse_string(self):
+ self.element_start('string')
+ value = self.character_data()
+ self.element_end('string')
+ return Literal(value)
+
+ def parse_bytes(self):
+ self.element_start('bytes')
+ value = binascii.a2b_hex(self.character_data())
+ self.element_end('bytes')
+ return Literal(value)
+
+ def parse_array(self):
+ self.element_start('array')
+ elems = []
+ while self.token.type != ELEMENT_END:
+ elems.append(self.parse_elem())
+ self.element_end('array')
+ return Array(elems)
+
+ def parse_elem(self):
+ self.element_start('elem')
+ value = self.parse_value()
+ self.element_end('elem')
+ return value
+
+ def parse_struct(self):
+ attrs = self.element_start('struct')
+ name = attrs['name']
+ members = []
+ while self.token.type != ELEMENT_END:
+ members.append(self.parse_member())
+ self.element_end('struct')
+ return Struct(name, members)
+
+ def parse_member(self):
+ attrs = self.element_start('member')
+ name = attrs['name']
+ value = self.parse_value()
+ self.element_end('member')
+
+ return name, value
+
+ def parse_ptr(self):
+ self.element_start('ptr')
+ address = self.character_data()
+ self.element_end('ptr')
+
+ return Pointer(address)
+
+ def handle_call(self, call):
+ pass
+
+
+class TraceDumper(TraceParser):
+
+ def __init__(self, fp):
+ TraceParser.__init__(self, fp)
+ self.formatter = format.DefaultFormatter(sys.stdout)
+ self.pretty_printer = PrettyPrinter(self.formatter)
+
+ def handle_call(self, call):
+ call.visit(self.pretty_printer)
+ self.formatter.newline()
+
+
+class Main:
+ '''Common main class for all retrace command line utilities.'''
+
+ def __init__(self):
+ pass
+
+ def main(self):
+ optparser = self.get_optparser()
+ (options, args) = optparser.parse_args(sys.argv[1:])
+
+ if args:
+ for arg in args:
+ if arg.endswith('.gz'):
+ from gzip import GzipFile
+ stream = GzipFile(arg, 'rt')
+ elif arg.endswith('.bz2'):
+ from bz2 import BZ2File
+ stream = BZ2File(arg, 'rU')
+ else:
+ stream = open(arg, 'rt')
+ self.process_arg(stream, options)
+ else:
+ self.process_arg(stream, options)
+
+ def get_optparser(self):
+ optparser = optparse.OptionParser(
+ usage="\n\t%prog [options] [traces] ...")
+ return optparser
+
+ def process_arg(self, stream, options):
+ parser = TraceDumper(stream)
+ parser.parse()
+
+
+if __name__ == '__main__':
+ Main().main()