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Integer value types

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This commit is contained in:
Justin Ethier 2016-03-17 22:51:31 -04:00
parent acf9de866e
commit cdde675994
3 changed files with 16 additions and 12 deletions
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2
include/cyclone/types.h
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@ -214,7 +214,7 @@ typedef long tag_type;
#define obj_obj2int(x) ((int)(x)>>1)
#define obj_int2obj(c) ((void *)((((int)c)<<1) | 1))
#define obj_is_char(x) ((unsigned long)(x) & (unsigned long)2)
#define obj_is_char(x) (((unsigned long)(x) & (unsigned long)3) == 2)
#define obj_obj2char(x) (char)((long)(x)>>2)
#define obj_char2obj(c) ((void *)((((unsigned long)c)<<2) | 2))

18
runtime.c
View file

@ -417,17 +417,21 @@ int equal(x, y) object x, y;
if (obj_is_int(x)) return obj_is_int(y) && x == y;
switch(type_of(x)) {
case integer_tag:
return (type_of(y) == integer_tag &&
return (obj_is_int(y) && obj_obj2int(y) == integer_value(x)) ||
(type_of(y) == integer_tag &&
((integer_type *) x)->value == ((integer_type *) y)->value);
case double_tag:
return (type_of(y) == double_tag &&
return (is_object_type(y) &&
type_of(y) == double_tag &&
((double_type *) x)->value == ((double_type *) y)->value);
case string_tag:
return (type_of(y) == string_tag &&
return (is_object_type(y) &&
type_of(y) == string_tag &&
strcmp(((string_type *) x)->str,
((string_type *) y)->str) == 0);
case vector_tag:
if (type_of(y) == vector_tag &&
if (is_object_type(y) &&
type_of(y) == vector_tag &&
((vector)x)->num_elt == ((vector)y)->num_elt) {
int i;
for (i = 0; i < ((vector)x)->num_elt; i++) {
@ -652,6 +656,7 @@ static object _Cyc_write(object x, FILE *port)
int i = 0;
if (nullp(x)) {fprintf(port, "()"); return quote_void;}
if (obj_is_char(x)) {fprintf(port, "#\\%c", obj_obj2char(x)); return quote_void;}
if (obj_is_int(x)) {Cyc_display(x, port); return quote_void;}
switch (type_of(x))
{case string_tag:
fprintf(port, "\"%s\"", ((string_type *) x)->str);
@ -731,7 +736,7 @@ object get(x,i) object x,i;
object equalp(x,y) object x,y;
{for (; ; x = cdr(x), y = cdr(y))
{if (equal(x,y)) return boolean_t;
if (obj_is_char(x) || obj_is_char(y) ||
if (is_value_type(x) || is_value_type(y) ||
nullp(x) || nullp(y) ||
type_of(x)!=cons_tag || type_of(y)!=cons_tag) return boolean_f;
if (boolean_f == equalp(car(x),car(y))) return boolean_f;}}
@ -1525,6 +1530,9 @@ object Cyc_num_op_va_list(void *data, int argc, object (fn_op(void *, common_typ
}
// TODO: if result is integer, could convert to an immediate here
if (type_of(buf) == integer_tag) {
return obj_int2obj(buf->integer_t.value);
}
return buf;
}

8
scheme/cyclone/cgen.sld
View file

@ -405,12 +405,8 @@
((vector? exp)
(c-compile-vector exp))
((integer? exp)
(let ((cvar-name (mangle (gensym 'c))))
(c-code/vars
(string-append "&" cvar-name) ; Code is just the variable name
(list ; Allocate integer on the C stack
(string-append
"make_int(" cvar-name ", " (number->string exp) ");")))))
(c-code (string-append "obj_int2obj("
(number->string exp) ")")))
((real? exp)
(let ((cvar-name (mangle (gensym 'c))))
(c-code/vars