diff options
Diffstat (limited to 'src/gallium/state_trackers/python/retrace')
| -rw-r--r-- | src/gallium/state_trackers/python/retrace/README | 17 | ||||
| -rwxr-xr-x | src/gallium/state_trackers/python/retrace/interpreter.py | 480 | ||||
| -rwxr-xr-x | src/gallium/state_trackers/python/retrace/model.py | 151 | ||||
| -rwxr-xr-x | src/gallium/state_trackers/python/retrace/parser.py | 345 |
4 files changed, 993 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/retrace/README b/src/gallium/state_trackers/python/retrace/README new file mode 100644 index 0000000000..822cd11404 --- /dev/null +++ b/src/gallium/state_trackers/python/retrace/README @@ -0,0 +1,17 @@ +This is an application written in python to replay the traces captured by the + trace pipe driver. + + +To use it follow the instructions in src/gallium/drivers/trace/README and +src/gallium/state_trackers/python/README, and then do + + python src/gallium/state_trackers/python/samples/retrace/interpreter.py filename.trace + + +This is still work in progress: +- not everything is captured/replayed + - surface/textures contents +- any tiny error will result in a crash + +-- +Jose Fonseca <jrfonseca@tungstengraphics.com> diff --git a/src/gallium/state_trackers/python/retrace/interpreter.py b/src/gallium/state_trackers/python/retrace/interpreter.py new file mode 100755 index 0000000000..351a6e739b --- /dev/null +++ b/src/gallium/state_trackers/python/retrace/interpreter.py @@ -0,0 +1,480 @@ +#!/usr/bin/env python +############################################################################# +# +# Copyright 2008 Tungsten Graphics, Inc. +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published +# by the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +############################################################################# + + +import sys +import gallium +import model +import parser + + +def make_image(surface): + pixels = gallium.FloatArray(surface.height*surface.width*4) + surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels) + + import Image + outimage = Image.new( + mode='RGB', + size=(surface.width, surface.height), + color=(0,0,0)) + outpixels = outimage.load() + for y in range(0, surface.height): + for x in range(0, surface.width): + offset = (y*surface.width + x)*4 + r, g, b, a = [int(pixels[offset + ch]*255) for ch in range(4)] + outpixels[x, y] = r, g, b + return outimage + +def save_image(filename, surface): + outimage = make_image(surface) + outimage.save(filename, "PNG") + +def show_image(surface): + outimage = make_image(surface) + + import Tkinter as tk + from PIL import Image, ImageTk + root = tk.Tk() + + root.title('background image') + + image1 = ImageTk.PhotoImage(outimage) + w = image1.width() + h = image1.height() + x = 100 + y = 100 + root.geometry("%dx%d+%d+%d" % (w, h, x, y)) + panel1 = tk.Label(root, image=image1) + panel1.pack(side='top', fill='both', expand='yes') + panel1.image = image1 + root.mainloop() + + + + +class Struct: + """C-like struct""" + + # A basic Python class can pass as a C-like structure + pass + + +struct_factories = { + "pipe_blend_color": gallium.BlendColor, + "pipe_blend_state": gallium.Blend, + #"pipe_clip_state": gallium.Clip, + #"pipe_constant_buffer": gallium.ConstantBuffer, + "pipe_depth_state": gallium.Depth, + "pipe_stencil_state": gallium.Stencil, + "pipe_alpha_state": gallium.Alpha, + "pipe_depth_stencil_alpha_state": gallium.DepthStencilAlpha, + "pipe_format_block": gallium.FormatBlock, + #"pipe_framebuffer_state": gallium.Framebuffer, + "pipe_poly_stipple": gallium.PolyStipple, + "pipe_rasterizer_state": gallium.Rasterizer, + "pipe_sampler_state": gallium.Sampler, + "pipe_scissor_state": gallium.Scissor, + #"pipe_shader_state": gallium.Shader, + #"pipe_vertex_buffer": gallium.VertexBuffer, + "pipe_vertex_element": gallium.VertexElement, + "pipe_viewport_state": gallium.Viewport, + #"pipe_texture": gallium.Texture, +} + + +member_array_factories = { + "pipe_rasterizer_state": {"sprite_coord_mode": gallium.ByteArray}, + "pipe_poly_stipple": {"stipple": gallium.UnsignedArray}, + "pipe_viewport_state": {"scale": gallium.FloatArray, "translate": gallium.FloatArray}, + #"pipe_clip_state": {"ucp": gallium.FloatArray}, + "pipe_depth_stencil_alpha_state": {"stencil": gallium.StencilArray}, + "pipe_blend_color": {"color": gallium.FloatArray}, + "pipe_sampler_state": {"border_color": gallium.FloatArray}, +} + + +class Translator(model.Visitor): + """Translate model arguments into regular Python objects""" + + def __init__(self, interpreter): + self.interpreter = interpreter + self.result = None + + def visit(self, node): + self.result = None + node.visit(self) + return self.result + + def visit_literal(self, node): + self.result = node.value + + def visit_named_constant(self, node): + # lookup the named constant in the gallium module + self.result = getattr(gallium, node.name) + + def visit_array(self, node): + array = [] + for element in node.elements: + array.append(self.visit(element)) + self.result = array + + def visit_struct(self, node): + struct_factory = struct_factories.get(node.name, Struct) + struct = struct_factory() + for member_name, member_node in node.members: + member_value = self.visit(member_node) + try: + array_factory = member_array_factories[node.name][member_name] + except KeyError: + pass + else: + assert isinstance(member_value, list) + array = array_factory(len(member_value)) + for i in range(len(member_value)): + array[i] = member_value[i] + member_value = array + #print node.name, member_name, member_value + assert isinstance(struct, Struct) or hasattr(struct, member_name) + setattr(struct, member_name, member_value) + self.result = struct + + def visit_pointer(self, node): + self.result = self.interpreter.lookup_object(node.address) + + +class Object: + + def __init__(self, interpreter, real): + self.interpreter = interpreter + self.real = real + + +class Global(Object): + + def __init__(self, interpreter, real): + self.interpreter = interpreter + self.real = real + + def pipe_winsys_create(self): + return Winsys(self.interpreter, gallium.Device()) + + def pipe_screen_create(self, winsys): + return Screen(self.interpreter, winsys.real) + + def pipe_context_create(self, screen): + context = screen.real.context_create() + return Context(self.interpreter, context) + + +class Winsys(Object): + + def __init__(self, interpreter, real): + self.interpreter = interpreter + self.real = real + + def get_name(self): + pass + + def user_buffer_create(self, data, size): + # We don't really care to distinguish between user and regular buffers + buffer = self.real.buffer_create(size, + 4, + gallium.PIPE_BUFFER_USAGE_CPU_READ | + gallium.PIPE_BUFFER_USAGE_CPU_WRITE ) + buffer.write(data, size) + return buffer + + def buffer_create(self, alignment, usage, size): + return self.real.buffer_create(size, alignment, usage) + + def buffer_destroy(self, buffer): + pass + + def buffer_write(self, buffer, data, size): + buffer.write(data, size) + + def fence_finish(self, fence, flags): + pass + + def fence_reference(self, dst, src): + pass + + def flush_frontbuffer(self, surface): + pass + + def surface_alloc(self): + return None + + def surface_release(self, surface): + pass + + +class Screen(Object): + + def get_name(self): + pass + + def get_vendor(self): + pass + + def get_param(self, param): + pass + + def get_paramf(self, param): + pass + + def is_format_supported(self, format, target, tex_usage, geom_flags): + return self.real.is_format_supported(format, target, tex_usage, geom_flags) + + def texture_create(self, template): + return self.real.texture_create( + format = template.format, + width = template.width[0], + height = template.height[0], + depth = template.depth[0], + last_level = template.last_level, + target = template.target, + tex_usage = template.tex_usage, + ) + + def texture_destroy(self, texture): + self.interpreter.unregister_object(texture) + + def texture_release(self, surface): + pass + + def get_tex_surface(self, texture, face, level, zslice, usage): + return texture.get_surface(face, level, zslice, usage) + + def tex_surface_destroy(self, surface): + self.interpreter.unregister_object(surface) + + def tex_surface_release(self, surface): + pass + + def surface_write(self, surface, data, stride, size): + assert surface.nblocksy * stride == size + surface.put_tile_raw(0, 0, surface.width, surface.height, data, stride) + + +class Context(Object): + + def __init__(self, interpreter, real): + Object.__init__(self, interpreter, real) + self.cbufs = [] + self.zsbuf = None + + def destroy(self): + pass + + def create_blend_state(self, state): + return state + + def bind_blend_state(self, state): + if state is not None: + self.real.set_blend(state) + + def delete_blend_state(self, state): + pass + + def create_sampler_state(self, state): + return state + + def delete_sampler_state(self, state): + pass + + def bind_sampler_states(self, n, states): + for i in range(n): + self.real.set_sampler(i, states[i]) + + def create_rasterizer_state(self, state): + return state + + def bind_rasterizer_state(self, state): + if state is not None: + self.real.set_rasterizer(state) + + def delete_rasterizer_state(self, state): + pass + + def create_depth_stencil_alpha_state(self, state): + return state + + def bind_depth_stencil_alpha_state(self, state): + if state is not None: + self.real.set_depth_stencil_alpha(state) + + def delete_depth_stencil_alpha_state(self, state): + pass + + def create_fs_state(self, state): + tokens = str(state.tokens) + shader = gallium.Shader(tokens) + return shader + + create_vs_state = create_fs_state + + def bind_fs_state(self, state): + self.real.set_fragment_shader(state) + + def bind_vs_state(self, state): + self.real.set_vertex_shader(state) + + def delete_fs_state(self, state): + pass + + delete_vs_state = delete_fs_state + + def set_blend_color(self, state): + self.real.set_blend_color(state) + + def set_clip_state(self, state): + _state = gallium.Clip() + _state.nr = state.nr + if state.nr: + # FIXME + ucp = gallium.FloatArray(gallium.PIPE_MAX_CLIP_PLANES*4) + for i in range(len(state.ucp)): + for j in range(len(state.ucp[i])): + ucp[i*4 + j] = state.ucp[i][j] + _state.ucp = ucp + self.real.set_clip(_state) + + def set_constant_buffer(self, shader, index, state): + if state is not None: + self.real.set_constant_buffer(shader, index, state.buffer) + + def set_framebuffer_state(self, state): + _state = gallium.Framebuffer() + _state.width = state.width + _state.height = state.height + _state.num_cbufs = state.num_cbufs + for i in range(len(state.cbufs)): + _state.set_cbuf(i, state.cbufs[i]) + _state.set_zsbuf(state.zsbuf) + self.real.set_framebuffer(_state) + + self.cbufs = state.cbufs + self.zsbuf = state.zsbuf + + def set_polygon_stipple(self, state): + self.real.set_polygon_stipple(state) + + def set_scissor_state(self, state): + self.real.set_scissor(state) + + def set_viewport_state(self, state): + self.real.set_viewport(state) + + def set_sampler_textures(self, n, textures): + for i in range(n): + self.real.set_sampler_texture(i, textures[i]) + + def set_vertex_buffers(self, n, vbufs): + for i in range(n): + vbuf = vbufs[i] + self.real.set_vertex_buffer( + i, + pitch = vbuf.pitch, + max_index = vbuf.max_index, + buffer_offset = vbuf.buffer_offset, + buffer = vbuf.buffer, + ) + + def set_vertex_elements(self, n, elements): + for i in range(n): + self.real.set_vertex_element(i, elements[i]) + self.real.set_vertex_elements(n) + + def set_edgeflags(self, bitfield): + # FIXME + pass + + def draw_arrays(self, mode, start, count): + self.real.draw_arrays(mode, start, count) + + def draw_elements(self, indexBuffer, indexSize, mode, start, count): + self.real.draw_elements(indexBuffer, indexSize, mode, start, count) + + def draw_range_elements(self, indexBuffer, indexSize, minIndex, maxIndex, mode, start, count): + self.real.draw_range_elements(indexBuffer, indexSize, minIndex, maxIndex, mode, start, count) + + def flush(self, flags): + self.real.flush(flags) + if flags & gallium.PIPE_FLUSH_FRAME: + self._update() + return None + + def clear(self, surface, value): + self.real.surface_clear(surface, value) + + def _update(self): + self.real.flush() + + if self.cbufs and self.cbufs[0]: + show_image(self.cbufs[0]) + + +class Interpreter(parser.TraceParser): + + def __init__(self, stream): + parser.TraceParser.__init__(self, stream) + self.objects = {} + self.result = None + self.globl = Global(self, None) + + def register_object(self, address, object): + self.objects[address] = object + + def unregister_object(self, object): + # FIXME: + pass + + def lookup_object(self, address): + return self.objects[address] + + def interpret(self, trace): + for call in trace.calls: + self.interpret_call(call) + + def handle_call(self, call): + sys.stderr.write("%s\n" % call) + + args = [self.interpret_arg(arg) for name, arg in call.args] + + if call.klass: + obj = args[0] + args = args[1:] + else: + obj = self.globl + + method = getattr(obj, call.method) + ret = method(*args) + + if call.ret and isinstance(call.ret, model.Pointer): + self.register_object(call.ret.address, ret) + + def interpret_arg(self, node): + translator = Translator(self) + return translator.visit(node) + + +if __name__ == '__main__': + parser.main(Interpreter) diff --git a/src/gallium/state_trackers/python/retrace/model.py b/src/gallium/state_trackers/python/retrace/model.py new file mode 100755 index 0000000000..a17a765914 --- /dev/null +++ b/src/gallium/state_trackers/python/retrace/model.py @@ -0,0 +1,151 @@ +#!/usr/bin/env python +############################################################################# +# +# Copyright 2008 Tungsten Graphics, Inc. +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published +# by the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +############################################################################# + + +'''Trace data model.''' + + +class Node: + + def visit(self, visitor): + raise NotImplementedError + + +class Literal(Node): + + def __init__(self, value): + self.value = value + + def visit(self, visitor): + visitor.visit_literal(self) + + def __str__(self): + if isinstance(self.value, str) and len(self.value) > 32: + return '...' + else: + return repr(self.value) + + +class NamedConstant(Node): + + def __init__(self, name): + self.name = name + + def visit(self, visitor): + visitor.visit_named_constant(self) + + def __str__(self): + return self.name + + +class Array(Node): + + def __init__(self, elements): + self.elements = elements + + def visit(self, visitor): + visitor.visit_array(self) + + def __str__(self): + return '{' + ', '.join([str(value) for value in self.elements]) + '}' + + +class Struct(Node): + + def __init__(self, name, members): + self.name = name + self.members = members + + def visit(self, visitor): + visitor.visit_struct(self) + + def __str__(self): + return '{' + ', '.join([name + ' = ' + str(value) for name, value in self.members]) + '}' + + +class Pointer(Node): + + def __init__(self, address): + self.address = address + + def visit(self, visitor): + visitor.visit_pointer(self) + + def __str__(self): + return self.address + + +class Call: + + def __init__(self, klass, method, args, ret): + self.klass = klass + self.method = method + self.args = args + self.ret = ret + + def visit(self, visitor): + visitor.visit_call(self) + + def __str__(self): + s = self.method + if self.klass: + s = self.klass + '::' + s + s += '(' + ', '.join([name + ' = ' + str(value) for name, value in self.args]) + ')' + if self.ret is not None: + s += ' = ' + str(self.ret) + return s + + +class Trace: + + def __init__(self, calls): + self.calls = calls + + def visit(self, visitor): + visitor.visit_trace(self) + + def __str__(self): + return '\n'.join([str(call) for call in self.calls]) + + +class Visitor: + + def visit_literal(self, node): + raise NotImplementedError + + def visit_named_constant(self, node): + raise NotImplementedError + + def visit_array(self, node): + raise NotImplementedError + + def visit_struct(self, node): + raise NotImplementedError + + def visit_pointer(self, node): + raise NotImplementedError + + def visit_call(self, node): + raise NotImplementedError + + def visit_trace(self, node): + raise NotImplementedError + + diff --git a/src/gallium/state_trackers/python/retrace/parser.py b/src/gallium/state_trackers/python/retrace/parser.py new file mode 100755 index 0000000000..6bc75ad685 --- /dev/null +++ b/src/gallium/state_trackers/python/retrace/parser.py @@ -0,0 +1,345 @@ +#!/usr/bin/env python +############################################################################# +# +# Copyright 2008 Tungsten Graphics, Inc. +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published +# by the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +############################################################################# + + +import sys +import xml.parsers.expat +import binascii + +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 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') + 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(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 handle_call(self, call): + print call + + +def main(ParserFactory): + for arg in sys.argv[1:]: + if arg.endswith('.gz'): + import gzip + stream = gzip.GzipFile(arg, 'rt') + else: + stream = open(arg, 'rt') + parser = ParserFactory(stream) + parser.parse() + + +if __name__ == '__main__': + main(TraceDumper) |