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added PUSH_INTLIT and PUSH_NEGINTLIT instructions

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This commit is contained in:
hyunghwan.chung 2015-07-02 15:45:48 +00:00
parent cf3e24a6cd
commit 37740da2d7
5 changed files with 68 additions and 59 deletions
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1
stix/lib/Stix.st
View File

@ -141,7 +141,6 @@
#class SmallInteger(Number)
{
}
#class Boolean(Object)

58
stix/lib/comp.c
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@ -1513,6 +1513,8 @@ static int emit_single_param_instruction (stix_t* stix, int cmd, stix_oow_t para
case BCODE_JUMP2_FORWARD:
case BCODE_JUMP2_BACKWARD:
case BCODE_PUSH_INTLIT:
case BCODE_PUSH_NEGINTLIT:
bc = cmd;
goto write_long;
}
@ -1605,10 +1607,16 @@ static int emit_push_smint_literal (stix_t* stix, stix_ooi_t i)
case 2:
return emit_byte_instruction (stix, BCODE_PUSH_TWO);
/* TODO: include some other numbers? like 3 */
}
if (i >= 0 && i <= MAX_CODE_PARAM)
{
return emit_single_param_instruction(stix, BCODE_PUSH_INTLIT, i);
}
else if (i < 0 && i >= -(stix_ooi_t)MAX_CODE_PARAM)
{
return emit_single_param_instruction(stix, BCODE_PUSH_NEGINTLIT, -i);
}
if (add_literal(stix, STIX_OOP_FROM_SMINT(i), &index) <= -1 ||
emit_single_param_instruction(stix, BCODE_PUSH_LITERAL_0, index) <= -1) return -1;
@ -2161,7 +2169,7 @@ static int compile_method_primitive (stix_t* stix)
/*
* method-primitive := "<" "primitive:" integer ">"
*/
int prim_no;
stix_ooi_t prim_no;
const stix_uch_t* ptr, * end;
if (!is_token_binsel(stix, VOCA_LT))
@ -2188,14 +2196,14 @@ static int compile_method_primitive (stix_t* stix)
return -1;
}
/*TODO: more checks the validity of the primitive number. support nubmer with radix and so on support more extensive syntax */
/*TODO: more checks the validity of the primitive number. support number with radix and so on support more extensive syntax. support primitive name, not number*/
ptr = stix->c->tok.name.ptr;
end = ptr + stix->c->tok.name.len;
prim_no = 0;
while (ptr < end && is_digitchar(*ptr))
{
prim_no = prim_no * 10 + (*ptr - '0');
if (prim_no > MAX_CODE_PRIMNO)
if (!STIX_OOI_IN_PREAMBLE_INDEX_RANGE(prim_no))
{
set_syntax_error (stix, STIX_SYNERR_PRIMNO, &stix->c->tok.loc, &stix->c->tok.name);
return -1;
@ -3569,7 +3577,7 @@ static int add_compiled_method (stix_t* stix)
{
preamble_code = STIX_METHOD_PREAMBLE_RETURN_RECEIVER;
}
else if (stix->c->mth.code.len >= 2 && stix->c->mth.code.ptr[1] == BCODE_RETURN_STACKTOP)
else if (stix->c->mth.code.len > 1 && stix->c->mth.code.ptr[1] == BCODE_RETURN_STACKTOP)
{
switch (stix->c->mth.code.ptr[0])
{
@ -3609,20 +3617,6 @@ static int add_compiled_method (stix_t* stix)
preamble_index = 2;
break;
/*
case BCODE_PUSH_LITERAL_0:
case BCODE_PUSH_LITERAL_1:
case BCODE_PUSH_LITERAL_2:
case BCODE_PUSH_LITERAL_3:
case BCODE_PUSH_LITERAL_4:
case BCODE_PUSH_LITERAL_5:
case BCODE_PUSH_LITERAL_6:
case BCODE_PUSH_LITERAL_7:
TODO: check the literal frame. if the value in the literal frame is a small integer within the premable index range,
convert ito to PREAMBEL_RETURN_INDEX or NEGINDEX
break;
*/
case BCODE_PUSH_INSTVAR_0:
case BCODE_PUSH_INSTVAR_1:
case BCODE_PUSH_INSTVAR_2:
@ -3634,28 +3628,38 @@ static int add_compiled_method (stix_t* stix)
preamble_code = STIX_METHOD_PREAMBLE_RETURN_INSTVAR;
preamble_index = stix->c->mth.code.ptr[0] & 0x7; /* low 3 bits */
break;
}
}
else if (stix->c->mth.code.ptr[0] == BCODE_PUSH_INSTVAR_X &&
else if (stix->c->mth.code.len > STIX_BCODE_LONG_PARAM_SIZE + 1 &&
stix->c->mth.code.ptr[STIX_BCODE_LONG_PARAM_SIZE + 1] == BCODE_RETURN_STACKTOP)
{
int i;
STIX_ASSERT (stix->c->mth.code.len >= STIX_BCODE_LONG_PARAM_SIZE + 1);
switch (stix->c->mth.code.ptr[0])
{
case BCODE_PUSH_INSTVAR_X:
preamble_code = STIX_METHOD_PREAMBLE_RETURN_INSTVAR;
goto set_preamble_index;
case BCODE_PUSH_INTLIT:
preamble_code = STIX_METHOD_PREAMBLE_RETURN_INDEX;
goto set_preamble_index;
case BCODE_PUSH_NEGINTLIT:
preamble_code = STIX_METHOD_PREAMBLE_RETURN_NEGINDEX;
goto set_preamble_index;
set_preamble_index:
preamble_index = 0;
for (i = 1; i <= STIX_BCODE_LONG_PARAM_SIZE; i++)
{
preamble_index = (preamble_index << 8) | stix->c->mth.code.ptr[i];
}
if (!STIX_OOI_IN_PREAMBLE_INDEX_RANGE(preamble_index))
{
/* the index got out of the range */
preamble_code = STIX_METHOD_PREAMBLE_NONE;
preamble_index = 0;
break;
}
}
}

28
stix/lib/exec.c
View File

@ -1410,27 +1410,17 @@ printf ("RETURN FALSE AT PREAMBLE\n");
ACTIVE_STACK_SETTOP (stix, stix->_false);
break;
case STIX_METHOD_PREAMBLE_RETURN_NEGINDEX:
printf ("RETURN %d AT PREAMBLE\n", (int)-STIX_METHOD_GET_PREAMBLE_INDEX(preamble));
ACTIVE_STACK_POPS (stix, b1);
ACTIVE_STACK_SETTOP (stix, STIX_OOP_FROM_SMINT(-STIX_METHOD_GET_PREAMBLE_INDEX(preamble)));
break;
case STIX_METHOD_PREAMBLE_RETURN_INDEX:
printf ("RETURN %d AT PREAMBLE\n", (int)STIX_METHOD_GET_PREAMBLE_INDEX(preamble));
ACTIVE_STACK_POPS (stix, b1);
ACTIVE_STACK_SETTOP (stix, STIX_OOP_FROM_SMINT(STIX_METHOD_GET_PREAMBLE_INDEX(preamble)));
break;
#if 0
case STIX_METHOD_PREAMBLE_RETURN_ZERO:
case STIX_METHOD_PREAMBLE_RETURN_ONE:
case STIX_METHOD_PREAMBLE_RETURN_TWO:
printf ("RETURN %d AT PREAMBLE\n", (int)(preamble_code - STIX_METHOD_PREAMBLE_RETURN_NEGONE - 1));
case STIX_METHOD_PREAMBLE_RETURN_NEGINDEX:
printf ("RETURN %d AT PREAMBLE\n", (int)-STIX_METHOD_GET_PREAMBLE_INDEX(preamble));
ACTIVE_STACK_POPS (stix, b1);
ACTIVE_STACK_SETTOP (stix, STIX_OOP_FROM_SMINT(preamble_code - STIX_METHOD_PREAMBLE_RETURN_NEGONE - 1));
ACTIVE_STACK_SETTOP (stix, STIX_OOP_FROM_SMINT(-STIX_METHOD_GET_PREAMBLE_INDEX(preamble)));
break;
#endif
case STIX_METHOD_PREAMBLE_RETURN_INSTVAR:
{
@ -1539,6 +1529,18 @@ printf ("PUSH_TWO\n");
ACTIVE_STACK_PUSH (stix, STIX_OOP_FROM_SMINT(2));
break;
case BCODE_PUSH_INTLIT:
FETCH_PARAM_CODE_TO (stix, b1);
ACTIVE_STACK_PUSH (stix, STIX_OOP_FROM_SMINT(b1));
printf ("PUSH_INTLIT %d\n", (int)b1);
break;
case BCODE_PUSH_NEGINTLIT:
FETCH_PARAM_CODE_TO (stix, b1);
ACTIVE_STACK_PUSH (stix, STIX_OOP_FROM_SMINT(-b1));
printf ("PUSH_NEGINTLIT %d\n", (int)-b1);
break;
/* -------------------------------------------------------- */
case BCODE_DUP_STACKTOP:

10
stix/lib/stix-prv.h
View File

@ -30,7 +30,7 @@
#include "stix.h"
/* you can define this to either 1 or 2 */
#define STIX_BCODE_LONG_PARAM_SIZE 1
#define STIX_BCODE_LONG_PARAM_SIZE 2
/* this is useful for debugging. stix_gc() can be called
* while stix has not been fully initialized when this is defined*/
@ -488,16 +488,16 @@ struct stix_compiler_t
# define MAX_CODE_NARGS (0xFFu)
# define MAX_CODE_NBLKARGS (0xFFu)
# define MAX_CODE_NBLKTMPRS (0xFFu)
# define MAX_CODE_PRIMNO (0xFFFFu)
# define MAX_CODE_JUMP (0xFFu)
# define MAX_CODE_PARAM (0xFFu)
#elif defined(STIX_BCODE_LONG_PARAM_SIZE) && (STIX_BCODE_LONG_PARAM_SIZE == 2)
# define MAX_CODE_INDEX (0xFFFFu)
# define MAX_CODE_NTMPRS (0xFFFFu)
# define MAX_CODE_NARGS (0xFFFFu)
# define MAX_CODE_NBLKARGS (0xFFFFu)
# define MAX_CODE_NBLKTMPRS (0xFFFFu)
# define MAX_CODE_PRIMNO (0xFFFFu)
# define MAX_CODE_JUMP (0xFFFFu)
# define MAX_CODE_PARAM (0xFFFFu)
#else
# error Unsupported STIX_BCODE_LONG_PARAM_SIZE
#endif
@ -746,6 +746,7 @@ enum stix_bcode_t
BCODE_SEND_MESSAGE_X = 0xF0, /* 240 */
BCODE_SEND_MESSAGE_TO_SUPER_X = 0xF4, /* 244 */
/* -------------------------------------- */
BCODE_JUMP2_FORWARD = 0xC5, /* 197 */
BCODE_JUMP2_BACKWARD = 0xC9, /* 201 */
@ -760,6 +761,9 @@ enum stix_bcode_t
BCODE_PUSH_ONE = 0x89, /* 137 */
BCODE_PUSH_TWO = 0x8A, /* 138 */
BCODE_PUSH_INTLIT = 0xB1, /* 177 */
BCODE_PUSH_NEGINTLIT = 0xB2, /* 178 */
/* UNUSED 0xE8 - 0xF8 */
BCODE_DUP_STACKTOP = 0xF9,

8
stix/lib/stix.h
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@ -617,8 +617,8 @@ struct stix_method_t
* 2 - return nil
* 3 - return true
* 4 - return false
* 5 - return -index.
* 6 - return index.
* 5 - return index.
* 6 - return -index.
* 7 - return instvar[index]
* 8 - do primitive[index]
*/
@ -631,8 +631,8 @@ struct stix_method_t
#define STIX_METHOD_PREAMBLE_RETURN_NIL 2
#define STIX_METHOD_PREAMBLE_RETURN_TRUE 3
#define STIX_METHOD_PREAMBLE_RETURN_FALSE 4
#define STIX_METHOD_PREAMBLE_RETURN_NEGINDEX 5
#define STIX_METHOD_PREAMBLE_RETURN_INDEX 6
#define STIX_METHOD_PREAMBLE_RETURN_INDEX 5
#define STIX_METHOD_PREAMBLE_RETURN_NEGINDEX 6
#define STIX_METHOD_PREAMBLE_RETURN_INSTVAR 7
#define STIX_METHOD_PREAMBLE_PRIMITIVE 8