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Kirill Smelkov
cpython
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9f789395
Commit
9f789395
authored
Jan 21, 2016
by
Victor Stinner
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Issue #26107: Fix typo in Objects/lnotab_notes.txt
Double parenthesis
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875dde43
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Objects/lnotab_notes.txt
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9f789395
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@@ -22,7 +22,7 @@ look like:
0, 1, 6, 1, 44, 5, 300, 200, 11, 1
The above doesn't really work, but it's a start. An unsigned byte (byte code
offset)
)
can't hold negative values, or values larger than 255, a signed byte
offset) can't hold negative values, or values larger than 255, a signed byte
(line number) can't hold values larger than 127 or less than -128, and the
above example contains two such values. So we make two tweaks:
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@@ -95,16 +95,16 @@ which compiles to this:
6 POP_JUMP_IF_FALSE 17
3 9 LOAD_CONST 1 (1)
12 PRINT_ITEM
12 PRINT_ITEM
4 13 BREAK_LOOP
4 13 BREAK_LOOP
14 JUMP_ABSOLUTE 3
>> 17 POP_BLOCK
>> 17 POP_BLOCK
6 18 LOAD_CONST 2 (2)
21 PRINT_ITEM
21 PRINT_ITEM
>> 22 LOAD_CONST 0 (None)
25 RETURN_VALUE
25 RETURN_VALUE
If 'a' is false, execution will jump to the POP_BLOCK instruction at offset 17
and the co_lnotab will claim that execution has moved to line 4, which is wrong.
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