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core: Use hashq-table for macros.

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* src/mes.c (lookup_macro_): Remove.
(macro_ref, get_macro, macro_set_x): New function.  Update callers.
This commit is contained in:
Jan Nieuwenhuizen 2018-10-15 14:13:51 +02:00
parent d552ef7c67
commit d472c4b6f2
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GPG key ID: F3C1A0D9C1D65273
1 changed files with 20 additions and 12 deletions
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32
src/mes.c
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@ -55,7 +55,7 @@ SCM r3 = 0;
// current-module
SCM m0 = 0;
// macro
SCM g_macros = 1;
SCM g_macros = 0;
SCM g_ports = 1;
#if __M2_PLANET__
@ -884,16 +884,26 @@ make_variable_ (SCM var) ///((internal))
}
SCM
lookup_macro_ (SCM x, SCM a) ///((internal))
macro_ref (SCM table, SCM name) ///((internal))
{
if (TYPE (x) != TSYMBOL)
return cell_f;
SCM m = assq (x, a);
return hashq_ref (table, name, cell_nil);
}
SCM
get_macro (SCM table, SCM name) ///((internal))
{
SCM m = macro_ref (table, name);
if (m != cell_f)
return MACRO (CDR (m));
return cell_f;
}
SCM
macro_set_x (SCM table, SCM name, SCM value) ///((internal))
{
return hashq_set_x (table, name, value);
}
SCM
push_cc (SCM p1, SCM p2, SCM a, SCM c) ///((internal))
{
@ -1277,10 +1287,7 @@ eval_apply ()
{
entry = assq (name, g_macros);
if (entry == cell_f)
{
entry = cons (name, cell_f);
g_macros = cons (entry, g_macros);
}
macro_set_x (g_macros, name, cell_f);
}
else
{
@ -1313,7 +1320,7 @@ eval_apply ()
name = CAR (name);
if (macro_p)
{
entry = assq (name, g_macros);
entry = macro_ref (g_macros, name);
r1 = MAKE_MACRO (name, r1);
set_cdr_x (entry, r1);
}
@ -1388,7 +1395,7 @@ eval_apply ()
}
if (TYPE (r1) == TPAIR
&& (macro = lookup_macro_ (CAR (r1), g_macros)) != cell_f)
&& (macro = get_macro (g_macros, CAR (r1))) != cell_f)
{
r1 = cons (macro, CDR (r1));
push_cc (r1, cell_nil, r0, cell_vm_macro_expand);
@ -1426,7 +1433,7 @@ eval_apply ()
if (TYPE (r1) == TPAIR
&& TYPE (CAR (r1)) == TSYMBOL
&& CAR (r1) != cell_symbol_begin
&& ((macro = assq (cell_symbol_portable_macro_expand, g_macros)) != cell_f)
&& ((macro = macro_ref (g_macros, cell_symbol_portable_macro_expand)) != cell_f)
&& ((expanders = module_ref (r0, cell_symbol_sc_expander_alist)) != cell_undefined)
&& ((macro = assq (CAR (r1), expanders)) != cell_f))
{
@ -2472,6 +2479,7 @@ main (int argc, char *argv[])
SCM a = mes_environment (argc, argv);
a = mes_builtins (a);
m0 = make_initial_module (a);
g_macros = make_hash_table_ (0);
if (g_debug > 3)
module_printer (m0);