/[guile]/guile/workbook/compilation/evaluation.txt
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revision 1.4 by dirk, Sun Jun 30 21:08:28 2002 UTC revision 1.5 by dirk, Sat Jul 6 16:36:10 2002 UTC
# Line 305  do formulate the decisions as I assume t Line 305  do formulate the decisions as I assume t
305  4. Incremental changes for improving the evaluator  4. Incremental changes for improving the evaluator
306  ==================================================  ==================================================
307    
308    * get rid of the builtin "acros" and "macros".  These two kinds of syntax
309      transformers are dynamically executed whenever the corresponding code is
310      executed (see above).  Thus, they can never be separated from the execution
311      phase.  Therefore, with support for these transformers, no separation of
312      memoization and execution would be possible.
313    
314      This change means to remove the following functions from guile:
315      - scm_makacro (C function)
316      - procedure->syntax (scheme function)
317      - scm_makmacro (C function)
318      - procedure->macro (scheme function)
319    
320      The following functions would become pointless and could also be removed:
321      - scm_macro_type (C function)
322      - macro-type (scheme function)
323      - SCM_MACRO_TYPE (C macro)
324    
325      The signature of the following functions could be simplified:
326      - scm_make_synt (C function)
327      - SCM_SYNTAX (C macro)
328    
329  * split the functionality of scm_lookupcar into the following subtasks:  * split the functionality of scm_lookupcar into the following subtasks:
330    a) a function to transform a symbol into its memoized form:    a) a function to transform a symbol into its memoized form:
331       static SCM symbol2memoized_symbol (SCM symbol, SCM environment);       static SCM symbol2memoized_symbol (SCM symbol, SCM environment);

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