diff options
| -rw-r--r-- | test/swftests/ConstantInt.as | 12 | ||||
| -rw-r--r-- | youtube_dl/swfinterp.py | 43 |
2 files changed, 45 insertions, 10 deletions
diff --git a/test/swftests/ConstantInt.as b/test/swftests/ConstantInt.as new file mode 100644 index 000000000..e0bbb6166 --- /dev/null +++ b/test/swftests/ConstantInt.as @@ -0,0 +1,12 @@ +// input: [] +// output: 2 + +package { +public class ConstantInt { + private static const x:int = 2; + + public static function main():int{ + return x; + } +} +} diff --git a/youtube_dl/swfinterp.py b/youtube_dl/swfinterp.py index fc704603a..5d17fb1ac 100644 --- a/youtube_dl/swfinterp.py +++ b/youtube_dl/swfinterp.py @@ -71,6 +71,7 @@ class _AVMClass(object): self.method_pyfunctions = {} self.variables = _ScopeDict(self) + self.constants = {} def make_object(self): return _AVMClass_Object(self) @@ -189,11 +190,13 @@ class SWFInterpreter(object): # Constant pool int_count = u30() + self.constant_ints = [0] for _c in range(1, int_count): - s32() + self.constant_ints.append(s32()) + self.constant_uints = [0] uint_count = u30() for _c in range(1, uint_count): - u32() + self.constant_uints.append(u32()) double_count = u30() read_bytes(max(0, (double_count - 1)) * 8) string_count = u30() @@ -281,13 +284,28 @@ class SWFInterpreter(object): kind = kind_full & 0x0f attrs = kind_full >> 4 methods = {} - if kind in [0x00, 0x06]: # Slot or Const + constants = None + if kind == 0x00: # Slot u30() # Slot id u30() # type_name_idx vindex = u30() if vindex != 0: read_byte() # vkind - elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter + elif kind == 0x06: # Const + u30() # Slot id + u30() # type_name_idx + vindex = u30() + vkind = 'any' + if vindex != 0: + vkind = read_byte() + if vkind == 0x03: # Constant_Int + value = self.constant_ints[vindex] + elif vkind == 0x04: # Constant_UInt + value = self.constant_uints[vindex] + else: + return {}, None # Ignore silently for now + constants = {self.multinames[trait_name_idx]: value} + elif kind in (0x01, 0x02, 0x03): # Method / Getter / Setter u30() # disp_id method_idx = u30() methods[self.multinames[trait_name_idx]] = method_idx @@ -306,7 +324,7 @@ class SWFInterpreter(object): for _c3 in range(metadata_count): u30() # metadata index - return methods + return methods, constants # Classes class_count = u30() @@ -328,8 +346,9 @@ class SWFInterpreter(object): u30() # iinit trait_count = u30() for _c2 in range(trait_count): - trait_methods = parse_traits_info() + trait_methods, constants = parse_traits_info() avm_class.register_methods(trait_methods) + assert constants is None assert len(classes) == class_count self._classes_by_name = dict((c.name, c) for c in classes) @@ -338,8 +357,10 @@ class SWFInterpreter(object): u30() # cinit trait_count = u30() for _c2 in range(trait_count): - trait_methods = parse_traits_info() + trait_methods, trait_constants = parse_traits_info() avm_class.register_methods(trait_methods) + if trait_constants: + avm_class.constants.update(trait_constants) # Scripts script_count = u30() @@ -633,9 +654,11 @@ class SWFInterpreter(object): break else: scope = avm_class.variables - # I cannot find where static variables are initialized - # so let's just return None - res = scope.get(mname) + + if mname in scope: + res = scope[mname] + else: + res = avm_class.constants[mname] stack.append(res) elif opcode == 97: # setproperty index = u30() |