зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.4 KiB
XML
82 строки
2.4 KiB
XML
<class name="D">
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<field name="f" type="Integer" />
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<constructor name="D" static>
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RETURN R0
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</constructor>
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<method name="bar" type="Void">
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<parameter name="a" type="Integer"/> <!-- in R1 -->
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<parameter name="b" type="Integer"/> <!-- in R2 -->
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GENERIC_BINARY_OP R3, Add, R1, R2
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SET_SLOT R0, 0, R3
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RETURN_VOID
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</method>
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</class>
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<class name="E" super="D">
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<constructor name="E">
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GET_STATIC R1, "D", 1
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BIND_THIS R2, R0, R1
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CALL R3, R2, () <!-- call to superclass constructor -->
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RETURN R0
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</constructor>
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</class>
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<function name="fn1" type="Void">
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NEW_CLASS R2, "E"
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GET_STATIC R3, "E", 1
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BIND_THIS R4, R2, R3
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CALL R1, R4, ()
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LOAD_IMMEDIATE R2, 1
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LOAD_IMMEDIATE R3, 4
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GET_METHOD R4, R1, 0 <!-- virtual call to 'bar' in D -->
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CALL R5, R4, (R2, R3)
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GET_SLOT R2, R1, 0
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LOAD_NAME R1, "print"
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CALL R1, R1, (R2)
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RETURN_VOID
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</function>
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<function name="anon_1" type="Integer">
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<parameter name="b"/>
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GET_CLOSURE R2, 0 <!-- acquire access to frame immediately below (statically) -->
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GET_SLOT R3, R2, 1 <!-- closure slots referenced by index == register number -->
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GENERIC_BINARY_OP R3, Add, R3, R1
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RETURN R3
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</function>
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<function name="f" type="Integer">
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<parameter name="a"/> <!-- R0 = this, R1 = a -->
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NEW_CLOSURE R2, "anon_1" <!-- all functions are entered by name into the gloabl object, this is a bit hokey -->
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LOAD_IMMEDIATE R3, 1
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CALL R3, R2, (R3)
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RETURN R3
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</function>
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<script>
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LOAD_NAME R1, "f" <!-- demo'ing use of closures -->
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LOAD_IMMEDIATE R2, 77
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CALL R3, R1, (R2)
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LOAD_NAME R1, "print"
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CALL R1, R1, (R3)
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LOAD_NAME R1, "fn1"
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CALL R1, R1, ()
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NEW_CLASS R2, "D"
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GET_STATIC R3, "D", 1 <!-- 0'th static is __init__ -->
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<!-- 1st static is D::D constructor -->
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BIND_THIS R4, R2, R3
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CALL R1, R4, ()
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LOAD_IMMEDIATE R2, 1
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LOAD_IMMEDIATE R3, 2
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GET_METHOD R4, R1, 0 <!-- 0'th method is 'bar' above -->
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CALL R5, R4, (R2, R3)
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GET_SLOT R2, R1, 0
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RETURN R2
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</script>
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