[Subversion] / BytecodeAssembler / peak / util / assembler.txt  

Diff of /BytecodeAssembler/peak/util/assembler.txt

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version 2112, Thu Dec 22 05:26:05 2005 UTC version 2139, Tue May 23 05:28:31 2006 UTC
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 ======================================================  =======================================================
 Generating Python Bytecode with ``dispatch.assembler``  Generating Python Bytecode with ``peak.util.assembler``
 ======================================================  =======================================================
   
   Simple usage::
   
       >>> from peak.util.assembler import Code
       >>> c = Code()
       >>> c.LOAD_CONST(42)
       >>> c.RETURN_VALUE()
   
       >>> eval(c.code())
       42
   
     >>> from dispatch.assembler import *  
     >>> from dis import dis      >>> from dis import dis
       >>> dis(c.code())
         0           0 LOAD_CONST               0 (42)
                     3 RETURN_VALUE
   
 Line number tracking:  Line number tracking::
   
     >>> def simple_code(flno, slno, consts=1, ):      >>> def simple_code(flno, slno, consts=1, ):
     ...     c = Code()      ...     c = Code()
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     572         360 RETURN_VALUE      572         360 RETURN_VALUE
   
   
 Stack size tracking:  Stack size tracking::
   
     >>> c = Code()      >>> c = Code()
     >>> c.LOAD_CONST(1)      >>> c.LOAD_CONST(1)
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     >>> c.stack_size      >>> c.stack_size
     3      3
   
 Stack underflow detection/recovery, and global/local variable names:  Stack underflow detection/recovery, and global/local variable names::
   
     >>> c = Code()      >>> c = Code()
     >>> c.LOAD_GLOBAL('foo')      >>> c.LOAD_GLOBAL('foo')
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 Function calls and raise:  Function calls and raise::
   
     >>> c = Code()      >>> c = Code()
     >>> c.LOAD_GLOBAL('locals')      >>> c.LOAD_GLOBAL('locals')
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                   3 LOAD_CONST               0 (1)                    3 LOAD_CONST               0 (1)
                   6 RAISE_VARARGS            1                    6 RAISE_VARARGS            1
   
 Sequence building, unpacking, dup'ing:  Sequence building, unpacking, dup'ing::
   
     >>> c = Code()      >>> c = Code()
     >>> c.LOAD_CONST(1)      >>> c.LOAD_CONST(1)
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     XXX Need tests for MAKE_CLOSURE/MAKE_FUNCTION      XXX Need tests for MAKE_CLOSURE/MAKE_FUNCTION
   
   
 Labels and backpatching forward references:  Labels and backpatching forward references::
   
     >>> c = Code()      >>> c = Code()
     >>> ref = c.JUMP_ABSOLUTE()      >>> ref = c.JUMP_ABSOLUTE()

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