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* list.[ch] (scm_i_finite_list_copy): New internal function to

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copy lists that are known to be finite (though not necessarily
	proper).

	* debug.c (scm_procedure_source): Don't have scm_unmemocopy treat
	a closure's argument list like an expression of a body.

	* eval.c (unmemoize_expression, unmemoize_exprs, unmemoize_and,
	unmemoize_begin, unmemoize_case, unmemoize_cond, unmemoize_delay,
	unmemoize_do, unmemoize_if, unmemoize_lambda, unmemoize_let,
	unmemoize_letrec, unmemoize_letstar, unmemoize_or,
	unmemoize_set_x, unmemoize_apply, unmemoize_atcall_cc,
	unmemoize_at_call_with_values, unmemoize_future, sym_atslot_ref,
	unmemoize_atslot_ref, sym_atslot_set_x, unmemoize_atslot_set_x,
	unmemoize_builtin_macro): New static functions and symbols.

	(scm_unmemocopy): Rewritten in terms of the above.  scm_unmemocopy
	now has a slightly different meaning: The memoized form that is
	receives as its argument is now interpreted as a sequence of
	expressions from a body.

	(unmemocar, scm_unmemocar): Since the whole functionality of
	unmemocar and scm_unmemocar is not needed any more, scm_unmemocar
	has its old content back and is deprecated, while unmemocar has
	been removed.

	(SCM_BIT7): Removed.

	(CEVAL): For unmemoizing a single expression, call
	unmemoize_expression instead of scm_unmemocopy, which now expects
	a sequence of body expressions.  Eliminated unnecessary empty
	environment frame when executing let* forms.  Eliminated
	unmemoization step from evaluator.
This commit is contained in:
Dirk Herrmann 2004-06-06 07:46:18 +00:00
parent 9ccea37043
commit 212e58ede8
6 changed files with 595 additions and 321 deletions
Download patch file Download diff file Expand all files Collapse all files

22
libguile/debug.c
View file

@ -329,15 +329,21 @@ SCM_DEFINE (scm_procedure_source, "procedure-source", 1, 0, 0,
switch (SCM_TYP7 (proc)) {
case scm_tcs_closures:
{
SCM formals = SCM_CLOSURE_FORMALS (proc);
SCM src = scm_source_property (SCM_CLOSURE_BODY (proc), scm_sym_copy);
const SCM formals = SCM_CLOSURE_FORMALS (proc);
const SCM body = SCM_CLOSURE_BODY (proc);
const SCM src = scm_source_property (body, scm_sym_copy);
if (!SCM_FALSEP (src))
return scm_cons2 (scm_sym_lambda, formals, src);
return scm_cons (scm_sym_lambda,
scm_unmemocopy (SCM_CODE (proc),
SCM_EXTEND_ENV (formals,
SCM_EOL,
SCM_ENV (proc))));
{
return scm_cons2 (scm_sym_lambda, formals, src);
}
else
{
const SCM env = SCM_EXTEND_ENV (formals, SCM_EOL, SCM_ENV (proc));
return scm_cons2 (scm_sym_lambda,
scm_i_finite_list_copy (formals),
scm_unmemocopy (body, env));
}
}
case scm_tcs_struct:
if (!SCM_I_OPERATORP (proc))