From 3a618da6e15a6dc4351eb933583569a1ecefc768 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Fri, 17 Apr 2009 10:07:53 +0100 Subject: python/retrace: Rename module as it conflicts with a builtin module. And there is no way to override a builtin module... sigh --- .../state_trackers/python/retrace/parser.py | 360 +-------------------- 1 file changed, 1 insertion(+), 359 deletions(-) (limited to 'src/gallium/state_trackers/python/retrace/parser.py') diff --git a/src/gallium/state_trackers/python/retrace/parser.py b/src/gallium/state_trackers/python/retrace/parser.py index b0f3e8a432..bd47c9a6b0 100755 --- a/src/gallium/state_trackers/python/retrace/parser.py +++ b/src/gallium/state_trackers/python/retrace/parser.py @@ -27,365 +27,7 @@ ########################################################################## -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 '' - 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(" or ", 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, 'rt') - 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() +from parse import * if __name__ == '__main__': -- cgit v1.2.3