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[swfinterp] Implement charCodeAt
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parent
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commit
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11
test/swftests/StringCharCodeAt.as
Normal file
11
test/swftests/StringCharCodeAt.as
Normal file
@ -0,0 +1,11 @@
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// input: []
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// output: 9897
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package {
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public class StringCharCodeAt {
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public static function main():int{
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var s:String = "abc";
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return s.charCodeAt(1) * 100 + s.charCodeAt();
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}
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}
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}
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@ -411,7 +411,9 @@ class SWFInterpreter(object):
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self._classes_by_name, avm_class.variables])
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while True:
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opcode = _read_byte(coder)
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if opcode == 16: # jump
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if opcode == 9: # label
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pass # Spec says: "Do nothing."
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elif opcode == 16: # jump
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offset = s24()
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coder.seek(coder.tell() + offset)
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elif opcode == 17: # iftrue
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@ -436,6 +438,12 @@ class SWFInterpreter(object):
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value1 = stack.pop()
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if value2 != value1:
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coder.seek(coder.tell() + offset)
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elif opcode == 21: # iflt
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offset = s24()
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value2 = stack.pop()
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value1 = stack.pop()
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if value1 < value2:
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coder.seek(coder.tell() + offset)
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elif opcode == 32: # pushnull
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stack.append(None)
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elif opcode == 33: # pushundefined
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@ -516,6 +524,13 @@ class SWFInterpreter(object):
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res = obj.split(args[0])
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stack.append(res)
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continue
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elif mname == 'charCodeAt':
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assert len(args) <= 1
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idx = 0 if len(args) == 0 else args[0]
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assert isinstance(idx, int)
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res = ord(obj[idx])
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stack.append(res)
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continue
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elif isinstance(obj, list):
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if mname == 'slice':
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assert len(args) == 1
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@ -687,6 +702,11 @@ class SWFInterpreter(object):
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value1 = stack.pop()
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res = value1 - value2
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stack.append(res)
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elif opcode == 162: # multiply
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value2 = stack.pop()
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value1 = stack.pop()
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res = value1 * value2
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stack.append(res)
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elif opcode == 164: # modulo
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value2 = stack.pop()
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value1 = stack.pop()
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@ -702,6 +722,10 @@ class SWFInterpreter(object):
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value1 = stack.pop()
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result = value1 >= value2
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stack.append(result)
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elif opcode == 192: # increment_i
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value = stack.pop()
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assert isinstance(value, int)
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stack.append(value + 1)
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elif opcode == 208: # getlocal_0
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stack.append(registers[0])
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elif opcode == 209: # getlocal_1
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