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speedup: use ->car etc.

This commit is contained in:
Jan Nieuwenhuizen 2016-10-08 17:00:32 +02:00
parent 4514be76d9
commit a265f933d8
1 changed files with 35 additions and 4 deletions
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39
mes.c
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@ -35,6 +35,7 @@
#include <stdbool.h>
#define DEBUG 0
#define COND 1 // 50% speedup for define-syntax/match
#define MES_FULL 1
enum type {CHAR, MACRO, NUMBER, PAIR, STRING, SYMBOL, VALUES, VECTOR,
@ -73,8 +74,8 @@ scm *display_helper (FILE*, scm*, bool, char const*, bool);
scm scm_nil = {SYMBOL, "()"};
scm scm_dot = {SYMBOL, "."};
scm scm_t = {SYMBOL, "#t"};
scm scm_f = {SYMBOL, "#f"};
scm scm_t = {SYMBOL, "#t"};
scm scm_unspecified = {SYMBOL, "*unspecified*"};
scm symbol_closure = {SYMBOL, "*closure*"};
@ -375,10 +376,10 @@ eval (scm *e, scm *a)
return eval (apply_env (cdr (macro), e, a), a);
if ((macro = lookup_macro (car (e), a)) != &scm_f)
return eval (apply_env (macro, cdr (e), a), a);
#if 1 //COND
#if COND
if (car (e) == &symbol_cond)
return evcon (cdr (e), a);
#endif
#endif // COND
if (car (e) == &symbol_if)
return if_env (cdr (e), a);
if (eq_p (car (e), &symbol_define) == &scm_t)
@ -395,6 +396,7 @@ eval (scm *e, scm *a)
return apply_env (car (e), evlis (cdr (e), a), a);
}
#if COND
scm *
evcon (scm *c, scm *a)
{
@ -411,6 +413,7 @@ evcon (scm *c, scm *a)
}
return evcon (cdr (c), a);
}
#endif // COND
scm *
if_env (scm *e, scm *a)
@ -484,10 +487,38 @@ string_p (scm *x)
scm *
symbol_p (scm *x)
{
// FIXME: use INTERNAL/XSYMBOL or something?
return (x->type == SYMBOL
&& x != &scm_nil
&& x != &scm_dot
&& x != &scm_f
&& x != &scm_t) ? &scm_t : &scm_f;
&& x != &scm_t
&& x != &scm_unspecified
&& x != &symbol_closure
&& x != &symbol_circ
&& x != &symbol_lambda
&& x != &symbol_begin
&& x != &symbol_list
&& x != &symbol_cond
&& x != &symbol_if
&& x != &symbol_quote
&& x != &symbol_quasiquote
&& x != &symbol_unquote
&& x != &symbol_unquote_splicing
&& x != &symbol_sc_expand
&& x != &symbol_syntax
&& x != &symbol_quasisyntax
&& x != &symbol_unsyntax
&& x != &symbol_unsyntax_splicing
&& x != &symbol_call_with_values
&& x != &symbol_current_module
&& x != &symbol_define
&& x != &symbol_define_macro
&& x != &symbol_set_x
) ? &scm_t : &scm_f;
}
scm *