/usr/share/pyshared/nml/ast/spriteblock.py is in nml 0.2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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NML is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
NML 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with NML; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA."""
from nml import expression, generic, global_constants
from nml.actions import action1, action2, action2layout, action2real, real_sprite
from nml.ast import base_statement
class TemplateDeclaration(base_statement.BaseStatement):
def __init__(self, name, param_list, sprite_list, pos):
base_statement.BaseStatement.__init__(self, "template declaration", pos, False, False)
self.name = name
self.param_list = param_list
self.sprite_list = sprite_list
def pre_process(self):
#check that all templates that are referred to exist at this point
#This prevents circular dependencies
for sprite in self.sprite_list:
if isinstance(sprite, real_sprite.TemplateUsage):
if sprite.name.value == self.name.value:
raise generic.ScriptError("Sprite template '%s' includes itself." % sprite.name.value, self.pos)
elif sprite.name.value not in real_sprite.sprite_template_map:
raise generic.ScriptError("Encountered unknown template identifier: " + sprite.name.value, sprite.pos)
#Register template
if self.name.value not in real_sprite.sprite_template_map:
real_sprite.sprite_template_map[self.name.value] = self
else:
raise generic.ScriptError("Template named '%s' is already defined, first definition at %s" % (self.name.value, real_sprite.sprite_template_map[self.name.value].pos), self.pos)
def get_labels(self):
labels = {}
offset = 0
for sprite in self.sprite_list:
sprite_labels, num_sprites = sprite.get_labels()
for lbl, lbl_offset in sprite_labels.iteritems():
if lbl in labels:
raise generic.ScriptError("Duplicate label encountered; '%s' already exists." % lbl, self.pos)
labels[lbl] = lbl_offset + offset
offset += num_sprites
return labels, offset
def debug_print(self, indentation):
print indentation*' ' + 'Template declaration:', self.name.value
print (indentation+2)*' ' + 'Parameters:'
for param in self.param_list:
param.debug_print(indentation + 4)
print (indentation+2)*' ' + 'Sprites:'
for sprite in self.sprite_list:
sprite.debug_print(indentation + 4)
def get_action_list(self):
return []
def __str__(self):
ret = "template %s(%s) {\n" % (str(self.name), ", ".join([str(param) for param in self.param_list]))
for sprite in self.sprite_list:
ret += "\t%s\n" % str(sprite)
ret += "}\n"
return ret
spriteset_base_class = action2.make_sprite_group_class(True, True, False, cls_is_relocatable = True)
class SpriteSet(spriteset_base_class):
def __init__(self, param_list, sprite_list, pos):
base_statement.BaseStatement.__init__(self, "spriteset", pos, False, False)
if not (1 <= len(param_list) <= 2):
raise generic.ScriptError("Spriteset requires 1 or 2 parameters, encountered " + str(len(param_list)), pos)
name = param_list[0]
if not isinstance(name, expression.Identifier):
raise generic.ScriptError("Spriteset parameter 1 'name' should be an identifier", name.pos)
self.initialize(name)
if len(param_list) >= 2:
self.pcx = param_list[1].reduce()
if not isinstance(self.pcx, expression.StringLiteral):
raise generic.ScriptError("Spriteset-block parameter 2 'file' must be a string literal", self.pcx.pos)
else:
self.pcx = None
self.sprite_list = sprite_list
self.action1_num = None #set number in action1
self.labels = {} #mapping of real sprite labels to offsets
def pre_process(self):
spriteset_base_class.pre_process(self)
offset = 0
for sprite in self.sprite_list:
sprite_labels, num_sprites = sprite.get_labels()
for lbl, lbl_offset in sprite_labels.iteritems():
if lbl in self.labels:
raise generic.ScriptError("Duplicate label encountered; '%s' already exists." % lbl, self.pos)
self.labels[lbl] = lbl_offset + offset
offset += num_sprites
def collect_references(self):
return []
def debug_print(self, indentation):
print indentation*' ' + 'Sprite set:', self.name.value
print (indentation+2)*' ' + 'Source: ', self.pcx.value if self.pcx is not None else 'None'
print (indentation+2)*' ' + 'Sprites:'
for sprite in self.sprite_list:
sprite.debug_print(indentation + 4)
def get_action_list(self):
# Actions are created when parsing the action2s, not here
return []
def __str__(self):
filename = (", " + str(self.pcx)) if self.pcx is not None else ""
ret = "spriteset(%s%s) {\n" % (self.name, filename)
for sprite in self.sprite_list:
ret += "\t%s\n" % str(sprite)
ret += "}\n"
return ret
spritegroup_base_class = action2.make_sprite_group_class(False, True, False)
class SpriteGroup(spritegroup_base_class):
def __init__(self, name, spriteview_list, pos = None):
base_statement.BaseStatement.__init__(self, "spritegroup", pos, False, False)
self.initialize(name)
self.spriteview_list = spriteview_list
def pre_process(self):
for spriteview in self.spriteview_list:
spriteview.pre_process()
spritegroup_base_class.pre_process(self)
def collect_references(self):
return []
def debug_print(self, indentation):
print indentation*' ' + 'Sprite group:', self.name.value
for spriteview in self.spriteview_list:
spriteview.debug_print(indentation + 2)
def get_action_list(self):
action_list = []
if self.prepare_output():
for feature in sorted(self.feature_set):
action_list.extend(action2real.get_real_action2s(self, feature))
return action_list
def __str__(self):
ret = "spritegroup %s {\n" % (self.name)
for spriteview in self.spriteview_list:
ret += "\t%s\n" % str(spriteview)
ret += "}\n"
return ret
class SpriteView(object):
def __init__(self, name, spriteset_list, pos):
self.name = name
self.spriteset_list = spriteset_list
self.pos = pos
def pre_process(self):
self.spriteset_list = [x.reduce(global_constants.const_list) for x in self.spriteset_list]
for sg_ref in self.spriteset_list:
if not (isinstance(sg_ref, expression.SpriteGroupRef)
and action2.resolve_spritegroup(sg_ref.name).is_spriteset()):
raise generic.ScriptError("Expected a sprite set reference", sg_ref.pos)
if len(sg_ref.param_list) != 0:
raise generic.ScriptError("Spritesets referenced from a spritegroup may not have parameters.", sg_ref.pos)
def debug_print(self, indentation):
print indentation*' ' + 'Sprite view:', self.name.value
print (indentation+2)*' ' + 'Sprite sets:'
for spriteset in self.spriteset_list:
spriteset.debug_print(indentation + 4)
def __str__(self):
return "%s: [%s];" % (str(self.name), ", ".join([str(spriteset) for spriteset in self.spriteset_list]))
spritelayout_base_class = action2.make_sprite_group_class(False, True, False)
class SpriteLayout(spritelayout_base_class):
def __init__(self, name, param_list, layout_sprite_list, pos = None):
base_statement.BaseStatement.__init__(self, "spritelayout", pos, False, False)
self.initialize(name, None, len(param_list))
self.param_list = param_list
self.register_map = {} # Set during action generation for easier referencing
self.layout_sprite_list = layout_sprite_list
# Do not reduce expressions here as they may contain variables
# And the feature is not known yet
def pre_process(self):
# Check parameter names
seen_names = set()
for param in self.param_list:
if not isinstance(param, expression.Identifier):
raise generic.ScriptError("spritelayout parameter names must be identifiers.", param.pos)
if param.value in seen_names:
raise generic.ScriptError("Duplicate parameter name '%s' encountered." % param.value, param.pos)
seen_names.add(param.value)
spritelayout_base_class.pre_process(self)
def collect_references(self):
return []
def debug_print(self, indentation):
print indentation*' ' + 'Sprite layout:', self.name.value
print (indentation+2)*' ' + 'Parameters:'
for param in self.param_list:
param.debug_print(indentation + 4)
print (indentation+2)*' ' + 'Sprites:'
for layout_sprite in self.layout_sprite_list:
layout_sprite.debug_print(indentation + 4)
def __str__(self):
return 'spritelayout %s {\n%s\n}\n' % (str(self.name), '\n'.join([str(x) for x in self.layout_sprite_list]))
def get_action_list(self):
action_list = []
if self.prepare_output():
for feature in sorted(self.feature_set):
action_list.extend(action2layout.get_layout_action2s(self, feature))
return action_list
class LayoutSprite(object):
def __init__(self, ls_type, param_list, pos):
self.type = ls_type
self.param_list = param_list
self.pos = pos
def debug_print(self, indentation):
print indentation*' ' + 'Tile layout sprite of type:', self.type
for layout_param in self.param_list:
layout_param.debug_print(indentation + 2)
def __str__(self):
return '\t%s {\n\t\t%s\n\t}' % (self.type, '\n\t\t'.join([str(layout_param) for layout_param in self.param_list]))
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