#ifdef emacs
#include <config.h>
#endif
#include <stdio.h>
#ifdef emacs
#include "lisp.h"
#include "charset.h"
#include "ccl.h"
#include "coding.h"
#else
#include "mulelib.h"
#endif
Lisp_Object Vcode_conversion_map_vector;
Lisp_Object Vfont_ccl_encoder_alist;
Lisp_Object Qccl_program;
Lisp_Object Qcode_conversion_map;
Lisp_Object Qcode_conversion_map_id;
Lisp_Object Qccl_program_idx;
Lisp_Object Vccl_program_table;
#define CCL_HEADER_BUF_MAG 0
#define CCL_HEADER_EOF 1
#define CCL_HEADER_MAIN 2
#define CCL_SetRegister 0x00
#define CCL_SetShortConst 0x01
#define CCL_SetConst 0x02
#define CCL_SetArray 0x03
#define CCL_Jump 0x04
#define CCL_JumpCond 0x05
#define CCL_WriteRegisterJump 0x06
#define CCL_WriteRegisterReadJump 0x07
#define CCL_WriteConstJump 0x08
#define CCL_WriteConstReadJump 0x09
#define CCL_WriteStringJump 0x0A
#define CCL_WriteArrayReadJump 0x0B
#define CCL_ReadJump 0x0C
#define CCL_Branch 0x0D
#define CCL_ReadRegister 0x0E
#define CCL_WriteExprConst 0x0F
#define CCL_ReadBranch 0x10
#define CCL_WriteRegister 0x11
#define CCL_WriteExprRegister 0x12
#define CCL_Call 0x13
#define CCL_WriteConstString 0x14
#define CCL_WriteArray 0x15
#define CCL_End 0x16
#define CCL_ExprSelfConst 0x17
#define CCL_ExprSelfReg 0x18
#define CCL_SetExprConst 0x19
#define CCL_SetExprReg 0x1A
#define CCL_JumpCondExprConst 0x1B
#define CCL_JumpCondExprReg 0x1C
#define CCL_ReadJumpCondExprConst 0x1D
#define CCL_ReadJumpCondExprReg 0x1E
#define CCL_Extension 0x1F
#define CCL_ReadMultibyteChar2 0x00
#define CCL_WriteMultibyteChar2 0x01
#define CCL_TranslateCharacter 0x02
#define CCL_TranslateCharacterConstTbl 0x03
#define CCL_IterateMultipleMap 0x10
#define CCL_MapMultiple 0x11
#define MAX_MAP_SET_LEVEL 30
typedef struct
{
int rest_length;
int orig_val;
} tr_stack;
static tr_stack mapping_stack[MAX_MAP_SET_LEVEL];
static tr_stack *mapping_stack_pointer;
static int stack_idx_of_map_multiple;
#define PUSH_MAPPING_STACK(restlen, orig) \
do { \
mapping_stack_pointer->rest_length = (restlen); \
mapping_stack_pointer->orig_val = (orig); \
mapping_stack_pointer++; \
} while (0)
#define POP_MAPPING_STACK(restlen, orig) \
do { \
mapping_stack_pointer--; \
(restlen) = mapping_stack_pointer->rest_length; \
(orig) = mapping_stack_pointer->orig_val; \
} while (0)
#define CCL_CALL_FOR_MAP_INSTRUCTION(symbol, ret_ic) \
if (1) \
{ \
struct ccl_program called_ccl; \
if (stack_idx >= 256 \
|| (setup_ccl_program (&called_ccl, (symbol)) != 0)) \
{ \
if (stack_idx > 0) \
{ \
ccl_prog = ccl_prog_stack_struct[0].ccl_prog; \
ic = ccl_prog_stack_struct[0].ic; \
} \
CCL_INVALID_CMD; \
} \
ccl_prog_stack_struct[stack_idx].ccl_prog = ccl_prog; \
ccl_prog_stack_struct[stack_idx].ic = (ret_ic); \
stack_idx++; \
ccl_prog = called_ccl.prog; \
ic = CCL_HEADER_MAIN; \
goto ccl_repeat; \
} \
else
#define CCL_MapSingle 0x12
#define CCL_PLUS 0x00
#define CCL_MINUS 0x01
#define CCL_MUL 0x02
#define CCL_DIV 0x03
#define CCL_MOD 0x04
#define CCL_AND 0x05
#define CCL_OR 0x06
#define CCL_XOR 0x07
#define CCL_LSH 0x08
#define CCL_RSH 0x09
#define CCL_LSH8 0x0A
#define CCL_RSH8 0x0B
#define CCL_DIVMOD 0x0C
#define CCL_LS 0x10
#define CCL_GT 0x11
#define CCL_EQ 0x12
#define CCL_LE 0x13
#define CCL_GE 0x14
#define CCL_NE 0x15
#define CCL_DECODE_SJIS 0x16
#define CCL_ENCODE_SJIS 0x17
#define CCL_SUCCESS \
if (1) \
{ \
ccl->status = CCL_STAT_SUCCESS; \
goto ccl_finish; \
} \
else
#define CCL_SUSPEND(stat) \
if (1) \
{ \
ic--; \
ccl->status = stat; \
goto ccl_finish; \
} \
else
#define CCL_INVALID_CMD \
if (1) \
{ \
ccl->status = CCL_STAT_INVALID_CMD; \
goto ccl_error_handler; \
} \
else
#define CCL_WRITE_CHAR(ch) \
do { \
int bytes = SINGLE_BYTE_CHAR_P (ch) ? 1: CHAR_BYTES (ch); \
if (!dst) \
CCL_INVALID_CMD; \
else if (dst + bytes + extra_bytes < (dst_bytes ? dst_end : src)) \
{ \
if (bytes == 1) \
{ \
*dst++ = (ch); \
if ((ch) >= 0x80 && (ch) < 0xA0) \
\
extra_bytes++; \
} \
else if (CHAR_VALID_P (ch, 0)) \
dst += CHAR_STRING (ch, dst); \
else \
CCL_INVALID_CMD; \
} \
else \
CCL_SUSPEND (CCL_STAT_SUSPEND_BY_DST); \
} while (0)
#define CCL_WRITE_MULTIBYTE_CHAR(ch) \
do { \
int bytes = CHAR_BYTES (ch); \
if (!dst) \
CCL_INVALID_CMD; \
else if (dst + bytes + extra_bytes < (dst_bytes ? dst_end : src)) \
{ \
if (CHAR_VALID_P ((ch), 0)) \
dst += CHAR_STRING ((ch), dst); \
else \
CCL_INVALID_CMD; \
} \
else \
CCL_SUSPEND (CCL_STAT_SUSPEND_BY_DST); \
} while (0)
#define CCL_WRITE_STRING(len) \
do { \
if (!dst) \
CCL_INVALID_CMD; \
else if (dst + len <= (dst_bytes ? dst_end : src)) \
for (i = 0; i < len; i++) \
*dst++ = ((XFASTINT (ccl_prog[ic + (i / 3)])) \
>> ((2 - (i % 3)) * 8)) & 0xFF; \
else \
CCL_SUSPEND (CCL_STAT_SUSPEND_BY_DST); \
} while (0)
#define CCL_READ_CHAR(REG) \
do { \
if (!src) \
CCL_INVALID_CMD; \
else if (src < src_end) \
{ \
REG = *src++; \
if (REG == '\n' \
&& ccl->eol_type != CODING_EOL_LF) \
{ \
\
if (ccl->eol_type == CODING_EOL_CRLF) \
{ \
if (ccl->cr_consumed) \
ccl->cr_consumed = 0; \
else \
{ \
ccl->cr_consumed = 1; \
REG = '\r'; \
src--; \
} \
} \
else \
REG = '\r'; \
} \
if (REG == LEADING_CODE_8_BIT_CONTROL \
&& ccl->multibyte) \
REG = *src++ - 0x20; \
} \
else if (ccl->last_block) \
{ \
ic = ccl->eof_ic; \
goto ccl_repeat; \
} \
else \
CCL_SUSPEND (CCL_STAT_SUSPEND_BY_SRC); \
} while (0)
#define CCL_MAKE_CHAR(charset, code, c) \
do { \
if (charset == CHARSET_ASCII) \
c = code & 0xFF; \
else if (CHARSET_DEFINED_P (charset) \
&& (code & 0x7F) >= 32 \
&& (code < 256 || ((code >> 7) & 0x7F) >= 32)) \
{ \
int c1 = code & 0x7F, c2 = 0; \
\
if (code >= 256) \
c2 = c1, c1 = (code >> 7) & 0x7F; \
c = MAKE_CHAR (charset, c1, c2); \
} \
else \
c = code & 0xFF; \
} while (0)
#ifdef CCL_DEBUG
#define CCL_DEBUG_BACKTRACE_LEN 256
int ccl_backtrace_table[CCL_BACKTRACE_TABLE];
int ccl_backtrace_idx;
#endif
struct ccl_prog_stack
{
Lisp_Object *ccl_prog;
int ic;
};
static struct ccl_prog_stack ccl_prog_stack_struct[256];
int
ccl_driver (ccl, source, destination, src_bytes, dst_bytes, consumed)
struct ccl_program *ccl;
unsigned char *source, *destination;
int src_bytes, dst_bytes;
int *consumed;
{
register int *reg = ccl->reg;
register int ic = ccl->ic;
register int code = 0, field1, field2;
register Lisp_Object *ccl_prog = ccl->prog;
unsigned char *src = source, *src_end = src + src_bytes;
unsigned char *dst = destination, *dst_end = dst + dst_bytes;
int jump_address;
int i = 0, j, op;
int stack_idx = ccl->stack_idx;
int this_ic = 0;
int extra_bytes = 0;
if (ic >= ccl->eof_ic)
ic = CCL_HEADER_MAIN;
if (ccl->buf_magnification == 0)
dst = NULL;
mapping_stack_pointer = mapping_stack;
#ifdef CCL_DEBUG
ccl_backtrace_idx = 0;
#endif
for (;;)
{
ccl_repeat:
#ifdef CCL_DEBUG
ccl_backtrace_table[ccl_backtrace_idx++] = ic;
if (ccl_backtrace_idx >= CCL_DEBUG_BACKTRACE_LEN)
ccl_backtrace_idx = 0;
ccl_backtrace_table[ccl_backtrace_idx] = 0;
#endif
if (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
{
if (consumed)
src = source + src_bytes;
ccl->status = CCL_STAT_QUIT;
break;
}
this_ic = ic;
code = XINT (ccl_prog[ic]); ic++;
field1 = code >> 8;
field2 = (code & 0xFF) >> 5;
#define rrr field2
#define RRR (field1 & 7)
#define Rrr ((field1 >> 3) & 7)
#define ADDR field1
#define EXCMD (field1 >> 6)
switch (code & 0x1F)
{
case CCL_SetRegister:
reg[rrr] = reg[RRR];
break;
case CCL_SetShortConst:
reg[rrr] = field1;
break;
case CCL_SetConst:
reg[rrr] = XINT (ccl_prog[ic]);
ic++;
break;
case CCL_SetArray:
i = reg[RRR];
j = field1 >> 3;
if ((unsigned int) i < j)
reg[rrr] = XINT (ccl_prog[ic + i]);
ic += j;
break;
case CCL_Jump:
ic += ADDR;
break;
case CCL_JumpCond:
if (!reg[rrr])
ic += ADDR;
break;
case CCL_WriteRegisterJump:
i = reg[rrr];
CCL_WRITE_CHAR (i);
ic += ADDR;
break;
case CCL_WriteRegisterReadJump:
i = reg[rrr];
CCL_WRITE_CHAR (i);
ic++;
CCL_READ_CHAR (reg[rrr]);
ic += ADDR - 1;
break;
case CCL_WriteConstJump:
i = XINT (ccl_prog[ic]);
CCL_WRITE_CHAR (i);
ic += ADDR;
break;
case CCL_WriteConstReadJump:
i = XINT (ccl_prog[ic]);
CCL_WRITE_CHAR (i);
ic++;
CCL_READ_CHAR (reg[rrr]);
ic += ADDR - 1;
break;
case CCL_WriteStringJump:
j = XINT (ccl_prog[ic]);
ic++;
CCL_WRITE_STRING (j);
ic += ADDR - 1;
break;
case CCL_WriteArrayReadJump:
i = reg[rrr];
j = XINT (ccl_prog[ic]);
if ((unsigned int) i < j)
{
i = XINT (ccl_prog[ic + 1 + i]);
CCL_WRITE_CHAR (i);
}
ic += j + 2;
CCL_READ_CHAR (reg[rrr]);
ic += ADDR - (j + 2);
break;
case CCL_ReadJump:
CCL_READ_CHAR (reg[rrr]);
ic += ADDR;
break;
case CCL_ReadBranch:
CCL_READ_CHAR (reg[rrr]);
case CCL_Branch:
if ((unsigned int) reg[rrr] < field1)
ic += XINT (ccl_prog[ic + reg[rrr]]);
else
ic += XINT (ccl_prog[ic + field1]);
break;
case CCL_ReadRegister:
while (1)
{
CCL_READ_CHAR (reg[rrr]);
if (!field1) break;
code = XINT (ccl_prog[ic]); ic++;
field1 = code >> 8;
field2 = (code & 0xFF) >> 5;
}
break;
case CCL_WriteExprConst:
rrr = 7;
i = reg[RRR];
j = XINT (ccl_prog[ic]);
op = field1 >> 6;
jump_address = ic + 1;
goto ccl_set_expr;
case CCL_WriteRegister:
while (1)
{
i = reg[rrr];
CCL_WRITE_CHAR (i);
if (!field1) break;
code = XINT (ccl_prog[ic]); ic++;
field1 = code >> 8;
field2 = (code & 0xFF) >> 5;
}
break;
case CCL_WriteExprRegister:
rrr = 7;
i = reg[RRR];
j = reg[Rrr];
op = field1 >> 6;
jump_address = ic;
goto ccl_set_expr;
case CCL_Call:
{
Lisp_Object slot;
int prog_id;
if (rrr)
{
prog_id = XINT (ccl_prog[ic]);
ic++;
}
else
prog_id = field1;
if (stack_idx >= 256
|| prog_id < 0
|| prog_id >= XVECTOR (Vccl_program_table)->size
|| (slot = XVECTOR (Vccl_program_table)->contents[prog_id],
!VECTORP (slot))
|| !VECTORP (XVECTOR (slot)->contents[1]))
{
if (stack_idx > 0)
{
ccl_prog = ccl_prog_stack_struct[0].ccl_prog;
ic = ccl_prog_stack_struct[0].ic;
}
CCL_INVALID_CMD;
}
ccl_prog_stack_struct[stack_idx].ccl_prog = ccl_prog;
ccl_prog_stack_struct[stack_idx].ic = ic;
stack_idx++;
ccl_prog = XVECTOR (XVECTOR (slot)->contents[1])->contents;
ic = CCL_HEADER_MAIN;
}
break;
case CCL_WriteConstString:
if (!rrr)
CCL_WRITE_CHAR (field1);
else
{
CCL_WRITE_STRING (field1);
ic += (field1 + 2) / 3;
}
break;
case CCL_WriteArray:
i = reg[rrr];
if ((unsigned int) i < field1)
{
j = XINT (ccl_prog[ic + i]);
CCL_WRITE_CHAR (j);
}
ic += field1;
break;
case CCL_End:
if (stack_idx > 0)
{
stack_idx--;
ccl_prog = ccl_prog_stack_struct[stack_idx].ccl_prog;
ic = ccl_prog_stack_struct[stack_idx].ic;
break;
}
if (src)
src = src_end;
ic--;
CCL_SUCCESS;
case CCL_ExprSelfConst:
i = XINT (ccl_prog[ic]);
ic++;
op = field1 >> 6;
goto ccl_expr_self;
case CCL_ExprSelfReg:
i = reg[RRR];
op = field1 >> 6;
ccl_expr_self:
switch (op)
{
case CCL_PLUS: reg[rrr] += i; break;
case CCL_MINUS: reg[rrr] -= i; break;
case CCL_MUL: reg[rrr] *= i; break;
case CCL_DIV: reg[rrr] /= i; break;
case CCL_MOD: reg[rrr] %= i; break;
case CCL_AND: reg[rrr] &= i; break;
case CCL_OR: reg[rrr] |= i; break;
case CCL_XOR: reg[rrr] ^= i; break;
case CCL_LSH: reg[rrr] <<= i; break;
case CCL_RSH: reg[rrr] >>= i; break;
case CCL_LSH8: reg[rrr] <<= 8; reg[rrr] |= i; break;
case CCL_RSH8: reg[7] = reg[rrr] & 0xFF; reg[rrr] >>= 8; break;
case CCL_DIVMOD: reg[7] = reg[rrr] % i; reg[rrr] /= i; break;
case CCL_LS: reg[rrr] = reg[rrr] < i; break;
case CCL_GT: reg[rrr] = reg[rrr] > i; break;
case CCL_EQ: reg[rrr] = reg[rrr] == i; break;
case CCL_LE: reg[rrr] = reg[rrr] <= i; break;
case CCL_GE: reg[rrr] = reg[rrr] >= i; break;
case CCL_NE: reg[rrr] = reg[rrr] != i; break;
default: CCL_INVALID_CMD;
}
break;
case CCL_SetExprConst:
i = reg[RRR];
j = XINT (ccl_prog[ic]);
op = field1 >> 6;
jump_address = ++ic;
goto ccl_set_expr;
case CCL_SetExprReg:
i = reg[RRR];
j = reg[Rrr];
op = field1 >> 6;
jump_address = ic;
goto ccl_set_expr;
case CCL_ReadJumpCondExprConst:
CCL_READ_CHAR (reg[rrr]);
case CCL_JumpCondExprConst:
i = reg[rrr];
op = XINT (ccl_prog[ic]);
jump_address = ic++ + ADDR;
j = XINT (ccl_prog[ic]);
ic++;
rrr = 7;
goto ccl_set_expr;
case CCL_ReadJumpCondExprReg:
CCL_READ_CHAR (reg[rrr]);
case CCL_JumpCondExprReg:
i = reg[rrr];
op = XINT (ccl_prog[ic]);
jump_address = ic++ + ADDR;
j = reg[XINT (ccl_prog[ic])];
ic++;
rrr = 7;
ccl_set_expr:
switch (op)
{
case CCL_PLUS: reg[rrr] = i + j; break;
case CCL_MINUS: reg[rrr] = i - j; break;
case CCL_MUL: reg[rrr] = i * j; break;
case CCL_DIV: reg[rrr] = i / j; break;
case CCL_MOD: reg[rrr] = i % j; break;
case CCL_AND: reg[rrr] = i & j; break;
case CCL_OR: reg[rrr] = i | j; break;
case CCL_XOR: reg[rrr] = i ^ j;; break;
case CCL_LSH: reg[rrr] = i << j; break;
case CCL_RSH: reg[rrr] = i >> j; break;
case CCL_LSH8: reg[rrr] = (i << 8) | j; break;
case CCL_RSH8: reg[rrr] = i >> 8; reg[7] = i & 0xFF; break;
case CCL_DIVMOD: reg[rrr] = i / j; reg[7] = i % j; break;
case CCL_LS: reg[rrr] = i < j; break;
case CCL_GT: reg[rrr] = i > j; break;
case CCL_EQ: reg[rrr] = i == j; break;
case CCL_LE: reg[rrr] = i <= j; break;
case CCL_GE: reg[rrr] = i >= j; break;
case CCL_NE: reg[rrr] = i != j; break;
case CCL_DECODE_SJIS: DECODE_SJIS (i, j, reg[rrr], reg[7]); break;
case CCL_ENCODE_SJIS: ENCODE_SJIS (i, j, reg[rrr], reg[7]); break;
default: CCL_INVALID_CMD;
}
code &= 0x1F;
if (code == CCL_WriteExprConst || code == CCL_WriteExprRegister)
{
i = reg[rrr];
CCL_WRITE_CHAR (i);
ic = jump_address;
}
else if (!reg[rrr])
ic = jump_address;
break;
case CCL_Extension:
switch (EXCMD)
{
case CCL_ReadMultibyteChar2:
if (!src)
CCL_INVALID_CMD;
if (src >= src_end)
{
src++;
goto ccl_read_multibyte_character_suspend;
}
if (!ccl->multibyte)
{
int bytes;
if (!UNIBYTE_STR_AS_MULTIBYTE_P (src, src_end - src, bytes))
{
reg[RRR] = CHARSET_8_BIT_CONTROL;
reg[rrr] = *src++;
break;
}
}
i = *src++;
if (i == '\n' && ccl->eol_type != CODING_EOL_LF)
{
if (ccl->eol_type == CODING_EOL_CRLF)
{
if (ccl->cr_consumed)
ccl->cr_consumed = 0;
else
{
ccl->cr_consumed = 1;
i = '\r';
src--;
}
}
else
i = '\r';
reg[rrr] = i;
reg[RRR] = CHARSET_ASCII;
}
else if (i < 0x80)
{
reg[rrr] = i;
reg[RRR] = CHARSET_ASCII;
}
else if (i <= MAX_CHARSET_OFFICIAL_DIMENSION2)
{
int dimension = BYTES_BY_CHAR_HEAD (i) - 1;
if (dimension == 0)
{
reg[RRR] = CHARSET_8_BIT_GRAPHIC;
reg[rrr] = i;
}
else if (src + dimension > src_end)
goto ccl_read_multibyte_character_suspend;
else
{
reg[RRR] = i;
i = (*src++ & 0x7F);
if (dimension == 1)
reg[rrr] = i;
else
reg[rrr] = ((i << 7) | (*src++ & 0x7F));
}
}
else if ((i == LEADING_CODE_PRIVATE_11)
|| (i == LEADING_CODE_PRIVATE_12))
{
if ((src + 1) >= src_end)
goto ccl_read_multibyte_character_suspend;
reg[RRR] = *src++;
reg[rrr] = (*src++ & 0x7F);
}
else if ((i == LEADING_CODE_PRIVATE_21)
|| (i == LEADING_CODE_PRIVATE_22))
{
if ((src + 2) >= src_end)
goto ccl_read_multibyte_character_suspend;
reg[RRR] = *src++;
i = (*src++ & 0x7F);
reg[rrr] = ((i << 7) | (*src & 0x7F));
src++;
}
else if (i == LEADING_CODE_8_BIT_CONTROL)
{
if (src >= src_end)
goto ccl_read_multibyte_character_suspend;
reg[RRR] = CHARSET_8_BIT_CONTROL;
reg[rrr] = (*src++ - 0x20);
}
else if (i >= 0xA0)
{
reg[RRR] = CHARSET_8_BIT_GRAPHIC;
reg[rrr] = i;
}
else
{
reg[RRR] = CHARSET_ASCII;
reg[rrr] = i;
}
break;
ccl_read_multibyte_character_suspend:
if (src <= src_end && !ccl->multibyte && ccl->last_block)
{
reg[RRR] = CHARSET_8_BIT_CONTROL;
reg[rrr] = i;
break;
}
src--;
if (ccl->last_block)
{
ic = ccl->eof_ic;
goto ccl_repeat;
}
else
CCL_SUSPEND (CCL_STAT_SUSPEND_BY_SRC);
break;
case CCL_WriteMultibyteChar2:
i = reg[RRR];
if (i == CHARSET_ASCII
|| i == CHARSET_8_BIT_CONTROL
|| i == CHARSET_8_BIT_GRAPHIC)
i = reg[rrr] & 0xFF;
else if (CHARSET_DIMENSION (i) == 1)
i = ((i - 0x70) << 7) | (reg[rrr] & 0x7F);
else if (i < MIN_CHARSET_PRIVATE_DIMENSION2)
i = ((i - 0x8F) << 14) | reg[rrr];
else
i = ((i - 0xE0) << 14) | reg[rrr];
CCL_WRITE_MULTIBYTE_CHAR (i);
break;
case CCL_TranslateCharacter:
CCL_MAKE_CHAR (reg[RRR], reg[rrr], i);
op = translate_char (GET_TRANSLATION_TABLE (reg[Rrr]),
i, -1, 0, 0);
SPLIT_CHAR (op, reg[RRR], i, j);
if (j != -1)
i = (i << 7) | j;
reg[rrr] = i;
break;
case CCL_TranslateCharacterConstTbl:
op = XINT (ccl_prog[ic]);
ic++;
CCL_MAKE_CHAR (reg[RRR], reg[rrr], i);
op = translate_char (GET_TRANSLATION_TABLE (op), i, -1, 0, 0);
SPLIT_CHAR (op, reg[RRR], i, j);
if (j != -1)
i = (i << 7) | j;
reg[rrr] = i;
break;
case CCL_IterateMultipleMap:
{
Lisp_Object map, content, attrib, value;
int point, size, fin_ic;
j = XINT (ccl_prog[ic++]);
fin_ic = ic + j;
op = reg[rrr];
if ((j > reg[RRR]) && (j >= 0))
{
ic += reg[RRR];
i = reg[RRR];
}
else
{
reg[RRR] = -1;
ic = fin_ic;
break;
}
for (;i < j;i++)
{
size = XVECTOR (Vcode_conversion_map_vector)->size;
point = XINT (ccl_prog[ic++]);
if (point >= size) continue;
map =
XVECTOR (Vcode_conversion_map_vector)->contents[point];
if (!CONSP (map)) continue;
map = XCDR (map);
if (!VECTORP (map)) continue;
size = XVECTOR (map)->size;
if (size <= 1) continue;
content = XVECTOR (map)->contents[0];
if (NUMBERP (content))
{
point = XUINT (content);
point = op - point + 1;
if (!((point >= 1) && (point < size))) continue;
content = XVECTOR (map)->contents[point];
}
else if (EQ (content, Qt))
{
if (size != 4) continue;
if ((op >= XUINT (XVECTOR (map)->contents[2]))
&& (op < XUINT (XVECTOR (map)->contents[3])))
content = XVECTOR (map)->contents[1];
else
continue;
}
else
continue;
if (NILP (content))
continue;
else if (NUMBERP (content))
{
reg[RRR] = i;
reg[rrr] = XINT(content);
break;
}
else if (EQ (content, Qt) || EQ (content, Qlambda))
{
reg[RRR] = i;
break;
}
else if (CONSP (content))
{
attrib = XCAR (content);
value = XCDR (content);
if (!NUMBERP (attrib) || !NUMBERP (value))
continue;
reg[RRR] = i;
reg[rrr] = XUINT (value);
break;
}
else if (SYMBOLP (content))
CCL_CALL_FOR_MAP_INSTRUCTION (content, fin_ic);
else
CCL_INVALID_CMD;
}
if (i == j)
reg[RRR] = -1;
ic = fin_ic;
}
break;
case CCL_MapMultiple:
{
Lisp_Object map, content, attrib, value;
int point, size, map_vector_size;
int map_set_rest_length, fin_ic;
int current_ic = this_ic;
if (stack_idx_of_map_multiple > 0)
{
if (stack_idx_of_map_multiple <= stack_idx)
{
stack_idx_of_map_multiple = 0;
mapping_stack_pointer = mapping_stack;
CCL_INVALID_CMD;
}
}
else
mapping_stack_pointer = mapping_stack;
stack_idx_of_map_multiple = 0;
map_set_rest_length =
XINT (ccl_prog[ic++]);
fin_ic = ic + map_set_rest_length;
op = reg[rrr];
if ((map_set_rest_length > reg[RRR]) && (reg[RRR] >= 0))
{
ic += reg[RRR];
i = reg[RRR];
map_set_rest_length -= i;
}
else
{
ic = fin_ic;
reg[RRR] = -1;
mapping_stack_pointer = mapping_stack;
break;
}
if (mapping_stack_pointer <= (mapping_stack + 1))
{
mapping_stack_pointer = mapping_stack;
PUSH_MAPPING_STACK (0, op);
reg[RRR] = -1;
}
else
{
int orig_op;
POP_MAPPING_STACK (map_set_rest_length, orig_op);
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
switch (op)
{
case -1:
op = orig_op;
i++;
ic++;
map_set_rest_length--;
break;
case -2:
op = reg[rrr];
i++;
ic++;
map_set_rest_length--;
break;
case -3:
op = orig_op;
i += map_set_rest_length;
ic += map_set_rest_length;
map_set_rest_length = 0;
break;
default:
i += map_set_rest_length;
ic += map_set_rest_length;
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
break;
}
}
map_vector_size = XVECTOR (Vcode_conversion_map_vector)->size;
do {
for (;map_set_rest_length > 0;i++, ic++, map_set_rest_length--)
{
point = XINT(ccl_prog[ic]);
if (point < 0)
{
point = -point + 1;
if (mapping_stack_pointer
>= &mapping_stack[MAX_MAP_SET_LEVEL])
CCL_INVALID_CMD;
PUSH_MAPPING_STACK (map_set_rest_length - point,
reg[rrr]);
map_set_rest_length = point;
reg[rrr] = op;
continue;
}
if (point >= map_vector_size) continue;
map = (XVECTOR (Vcode_conversion_map_vector)
->contents[point]);
if (!CONSP (map)) continue;
map = XCDR (map);
if (!VECTORP (map)) continue;
size = XVECTOR (map)->size;
if (size <= 1) continue;
content = XVECTOR (map)->contents[0];
if (NUMBERP (content))
{
point = XUINT (content);
point = op - point + 1;
if (!((point >= 1) && (point < size))) continue;
content = XVECTOR (map)->contents[point];
}
else if (EQ (content, Qt))
{
if (size != 4) continue;
if ((op >= XUINT (XVECTOR (map)->contents[2])) &&
(op < XUINT (XVECTOR (map)->contents[3])))
content = XVECTOR (map)->contents[1];
else
continue;
}
else
continue;
if (NILP (content))
continue;
reg[RRR] = i;
if (NUMBERP (content))
{
op = XINT (content);
i += map_set_rest_length - 1;
ic += map_set_rest_length - 1;
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
map_set_rest_length++;
}
else if (CONSP (content))
{
attrib = XCAR (content);
value = XCDR (content);
if (!NUMBERP (attrib) || !NUMBERP (value))
continue;
op = XUINT (value);
i += map_set_rest_length - 1;
ic += map_set_rest_length - 1;
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
map_set_rest_length++;
}
else if (EQ (content, Qt))
{
op = reg[rrr];
}
else if (EQ (content, Qlambda))
{
i += map_set_rest_length;
ic += map_set_rest_length;
break;
}
else if (SYMBOLP (content))
{
if (mapping_stack_pointer
>= &mapping_stack[MAX_MAP_SET_LEVEL])
CCL_INVALID_CMD;
PUSH_MAPPING_STACK (map_set_rest_length, reg[rrr]);
PUSH_MAPPING_STACK (map_set_rest_length, op);
stack_idx_of_map_multiple = stack_idx + 1;
CCL_CALL_FOR_MAP_INSTRUCTION (content, current_ic);
}
else
CCL_INVALID_CMD;
}
if (mapping_stack_pointer <= (mapping_stack + 1))
break;
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
i += map_set_rest_length;
ic += map_set_rest_length;
POP_MAPPING_STACK (map_set_rest_length, reg[rrr]);
} while (1);
ic = fin_ic;
}
reg[rrr] = op;
break;
case CCL_MapSingle:
{
Lisp_Object map, attrib, value, content;
int size, point;
j = XINT (ccl_prog[ic++]);
op = reg[rrr];
if (j >= XVECTOR (Vcode_conversion_map_vector)->size)
{
reg[RRR] = -1;
break;
}
map = XVECTOR (Vcode_conversion_map_vector)->contents[j];
if (!CONSP (map))
{
reg[RRR] = -1;
break;
}
map = XCDR (map);
if (!VECTORP (map))
{
reg[RRR] = -1;
break;
}
size = XVECTOR (map)->size;
point = XUINT (XVECTOR (map)->contents[0]);
point = op - point + 1;
reg[RRR] = 0;
if ((size <= 1) ||
(!((point >= 1) && (point < size))))
reg[RRR] = -1;
else
{
reg[RRR] = 0;
content = XVECTOR (map)->contents[point];
if (NILP (content))
reg[RRR] = -1;
else if (NUMBERP (content))
reg[rrr] = XINT (content);
else if (EQ (content, Qt));
else if (CONSP (content))
{
attrib = XCAR (content);
value = XCDR (content);
if (!NUMBERP (attrib) || !NUMBERP (value))
continue;
reg[rrr] = XUINT(value);
break;
}
else if (SYMBOLP (content))
CCL_CALL_FOR_MAP_INSTRUCTION (content, ic);
else
reg[RRR] = -1;
}
}
break;
default:
CCL_INVALID_CMD;
}
break;
default:
CCL_INVALID_CMD;
}
}
ccl_error_handler:
if (!ccl->suppress_error && destination)
{
char msg[256];
int msglen;
if (!dst)
dst = destination;
switch (ccl->status)
{
case CCL_STAT_INVALID_CMD:
sprintf(msg, "\nCCL: Invalid command %x (ccl_code = %x) at %d.",
code & 0x1F, code, this_ic);
#ifdef CCL_DEBUG
{
int i = ccl_backtrace_idx - 1;
int j;
msglen = strlen (msg);
if (dst + msglen <= (dst_bytes ? dst_end : src))
{
bcopy (msg, dst, msglen);
dst += msglen;
}
for (j = 0; j < CCL_DEBUG_BACKTRACE_LEN; j++, i--)
{
if (i < 0) i = CCL_DEBUG_BACKTRACE_LEN - 1;
if (ccl_backtrace_table[i] == 0)
break;
sprintf(msg, " %d", ccl_backtrace_table[i]);
msglen = strlen (msg);
if (dst + msglen > (dst_bytes ? dst_end : src))
break;
bcopy (msg, dst, msglen);
dst += msglen;
}
goto ccl_finish;
}
#endif
break;
case CCL_STAT_QUIT:
sprintf(msg, "\nCCL: Quited.");
break;
default:
sprintf(msg, "\nCCL: Unknown error type (%d).", ccl->status);
}
msglen = strlen (msg);
if (dst + msglen <= (dst_bytes ? dst_end : src))
{
bcopy (msg, dst, msglen);
dst += msglen;
}
if (ccl->status == CCL_STAT_INVALID_CMD)
{
#if 0
int i = src_end - src;
if (dst_bytes && (dst_end - dst) < i)
i = dst_end - dst;
bcopy (src, dst, i);
src += i;
dst += i;
#else
src = src_end;
#endif
}
}
ccl_finish:
ccl->ic = ic;
ccl->stack_idx = stack_idx;
ccl->prog = ccl_prog;
ccl->eight_bit_control = (extra_bytes > 0);
if (consumed)
*consumed = src - source;
return (dst ? dst - destination : 0);
}
static Lisp_Object
resolve_symbol_ccl_program (ccl)
Lisp_Object ccl;
{
int i, veclen, unresolved = 0;
Lisp_Object result, contents, val;
result = ccl;
veclen = XVECTOR (result)->size;
for (i = 0; i < veclen; i++)
{
contents = XVECTOR (result)->contents[i];
if (INTEGERP (contents))
continue;
else if (CONSP (contents)
&& SYMBOLP (XCAR (contents))
&& SYMBOLP (XCDR (contents)))
{
if (EQ (result, ccl))
result = Fcopy_sequence (ccl);
val = Fget (XCAR (contents), XCDR (contents));
if (NATNUMP (val))
XVECTOR (result)->contents[i] = val;
else
unresolved = 1;
continue;
}
else if (SYMBOLP (contents))
{
if (EQ (result, ccl))
result = Fcopy_sequence (ccl);
val = Fget (contents, Qtranslation_table_id);
if (NATNUMP (val))
XVECTOR (result)->contents[i] = val;
else
{
val = Fget (contents, Qcode_conversion_map_id);
if (NATNUMP (val))
XVECTOR (result)->contents[i] = val;
else
{
val = Fget (contents, Qccl_program_idx);
if (NATNUMP (val))
XVECTOR (result)->contents[i] = val;
else
unresolved = 1;
}
}
continue;
}
return Qnil;
}
return (unresolved ? Qt : result);
}
static Lisp_Object
ccl_get_compiled_code (ccl_prog)
Lisp_Object ccl_prog;
{
Lisp_Object val, slot;
if (VECTORP (ccl_prog))
{
val = resolve_symbol_ccl_program (ccl_prog);
return (VECTORP (val) ? val : Qnil);
}
if (!SYMBOLP (ccl_prog))
return Qnil;
val = Fget (ccl_prog, Qccl_program_idx);
if (! NATNUMP (val)
|| XINT (val) >= XVECTOR (Vccl_program_table)->size)
return Qnil;
slot = XVECTOR (Vccl_program_table)->contents[XINT (val)];
if (! VECTORP (slot)
|| XVECTOR (slot)->size != 3
|| ! VECTORP (XVECTOR (slot)->contents[1]))
return Qnil;
if (NILP (XVECTOR (slot)->contents[2]))
{
val = resolve_symbol_ccl_program (XVECTOR (slot)->contents[1]);
if (! VECTORP (val))
return Qnil;
XVECTOR (slot)->contents[1] = val;
XVECTOR (slot)->contents[2] = Qt;
}
return XVECTOR (slot)->contents[1];
}
int
setup_ccl_program (ccl, ccl_prog)
struct ccl_program *ccl;
Lisp_Object ccl_prog;
{
int i;
if (! NILP (ccl_prog))
{
struct Lisp_Vector *vp;
ccl_prog = ccl_get_compiled_code (ccl_prog);
if (! VECTORP (ccl_prog))
return -1;
vp = XVECTOR (ccl_prog);
ccl->size = vp->size;
ccl->prog = vp->contents;
ccl->eof_ic = XINT (vp->contents[CCL_HEADER_EOF]);
ccl->buf_magnification = XINT (vp->contents[CCL_HEADER_BUF_MAG]);
}
ccl->ic = CCL_HEADER_MAIN;
for (i = 0; i < 8; i++)
ccl->reg[i] = 0;
ccl->last_block = 0;
ccl->private_state = 0;
ccl->status = 0;
ccl->stack_idx = 0;
ccl->eol_type = CODING_EOL_LF;
ccl->suppress_error = 0;
return 0;
}
#ifdef emacs
DEFUN ("ccl-program-p", Fccl_program_p, Sccl_program_p, 1, 1, 0,
"Return t if OBJECT is a CCL program name or a compiled CCL program code.\n\
See the documentation of `define-ccl-program' for the detail of CCL program.")
(object)
Lisp_Object object;
{
Lisp_Object val;
if (VECTORP (object))
{
val = resolve_symbol_ccl_program (object);
return (VECTORP (val) ? Qt : Qnil);
}
if (!SYMBOLP (object))
return Qnil;
val = Fget (object, Qccl_program_idx);
return ((! NATNUMP (val)
|| XINT (val) >= XVECTOR (Vccl_program_table)->size)
? Qnil : Qt);
}
DEFUN ("ccl-execute", Fccl_execute, Sccl_execute, 2, 2, 0,
"Execute CCL-PROGRAM with registers initialized by REGISTERS.\n\
\n\
CCL-PROGRAM is a CCL program name (symbol)\n\
or compiled code generated by `ccl-compile' (for backward compatibility.\n\
In the latter case, the execution overhead is bigger than in the former).\n\
No I/O commands should appear in CCL-PROGRAM.\n\
\n\
REGISTERS is a vector of [R0 R1 ... R7] where RN is an initial value\n\
for the Nth register.\n\
\n\
As side effect, each element of REGISTERS holds the value of\n\
the corresponding register after the execution.\n\
\n\
See the documentation of `define-ccl-program' for a definition of CCL\n\
programs.")
(ccl_prog, reg)
Lisp_Object ccl_prog, reg;
{
struct ccl_program ccl;
int i;
if (setup_ccl_program (&ccl, ccl_prog) < 0)
error ("Invalid CCL program");
CHECK_VECTOR (reg, 1);
if (XVECTOR (reg)->size != 8)
error ("Length of vector REGISTERS is not 8");
for (i = 0; i < 8; i++)
ccl.reg[i] = (INTEGERP (XVECTOR (reg)->contents[i])
? XINT (XVECTOR (reg)->contents[i])
: 0);
ccl_driver (&ccl, (unsigned char *)0, (unsigned char *)0, 0, 0, (int *)0);
QUIT;
if (ccl.status != CCL_STAT_SUCCESS)
error ("Error in CCL program at %dth code", ccl.ic);
for (i = 0; i < 8; i++)
XSETINT (XVECTOR (reg)->contents[i], ccl.reg[i]);
return Qnil;
}
DEFUN ("ccl-execute-on-string", Fccl_execute_on_string, Sccl_execute_on_string,
3, 5, 0,
"Execute CCL-PROGRAM with initial STATUS on STRING.\n\
\n\
CCL-PROGRAM is a symbol registered by register-ccl-program,\n\
or a compiled code generated by `ccl-compile' (for backward compatibility,\n\
in this case, the execution is slower).\n\
\n\
Read buffer is set to STRING, and write buffer is allocated automatically.\n\
\n\
STATUS is a vector of [R0 R1 ... R7 IC], where\n\
R0..R7 are initial values of corresponding registers,\n\
IC is the instruction counter specifying from where to start the program.\n\
If R0..R7 are nil, they are initialized to 0.\n\
If IC is nil, it is initialized to head of the CCL program.\n\
\n\
If optional 4th arg CONTINUE is non-nil, keep IC on read operation\n\
when read buffer is exausted, else, IC is always set to the end of\n\
CCL-PROGRAM on exit.\n\
\n\
It returns the contents of write buffer as a string,\n\
and as side effect, STATUS is updated.\n\
If the optional 5th arg UNIBYTE-P is non-nil, the returned string\n\
is a unibyte string. By default it is a multibyte string.\n\
\n\
See the documentation of `define-ccl-program' for the detail of CCL program.")
(ccl_prog, status, str, contin, unibyte_p)
Lisp_Object ccl_prog, status, str, contin, unibyte_p;
{
Lisp_Object val;
struct ccl_program ccl;
int i, produced;
int outbufsize;
char *outbuf;
struct gcpro gcpro1, gcpro2;
if (setup_ccl_program (&ccl, ccl_prog) < 0)
error ("Invalid CCL program");
CHECK_VECTOR (status, 1);
if (XVECTOR (status)->size != 9)
error ("Length of vector STATUS is not 9");
CHECK_STRING (str, 2);
GCPRO2 (status, str);
for (i = 0; i < 8; i++)
{
if (NILP (XVECTOR (status)->contents[i]))
XSETINT (XVECTOR (status)->contents[i], 0);
if (INTEGERP (XVECTOR (status)->contents[i]))
ccl.reg[i] = XINT (XVECTOR (status)->contents[i]);
}
if (INTEGERP (XVECTOR (status)->contents[i]))
{
i = XFASTINT (XVECTOR (status)->contents[8]);
if (ccl.ic < i && i < ccl.size)
ccl.ic = i;
}
outbufsize = STRING_BYTES (XSTRING (str)) * ccl.buf_magnification + 256;
outbuf = (char *) xmalloc (outbufsize);
ccl.last_block = NILP (contin);
ccl.multibyte = STRING_MULTIBYTE (str);
produced = ccl_driver (&ccl, XSTRING (str)->data, outbuf,
STRING_BYTES (XSTRING (str)), outbufsize, (int *) 0);
for (i = 0; i < 8; i++)
XSET (XVECTOR (status)->contents[i], Lisp_Int, ccl.reg[i]);
XSETINT (XVECTOR (status)->contents[8], ccl.ic);
UNGCPRO;
if (NILP (unibyte_p))
{
int nchars;
produced = str_as_multibyte (outbuf, outbufsize, produced, &nchars);
val = make_multibyte_string (outbuf, nchars, produced);
}
else
val = make_unibyte_string (outbuf, produced);
xfree (outbuf);
QUIT;
if (ccl.status == CCL_STAT_SUSPEND_BY_DST)
error ("Output buffer for the CCL programs overflow");
if (ccl.status != CCL_STAT_SUCCESS
&& ccl.status != CCL_STAT_SUSPEND_BY_SRC)
error ("Error in CCL program at %dth code", ccl.ic);
return val;
}
DEFUN ("register-ccl-program", Fregister_ccl_program, Sregister_ccl_program,
2, 2, 0,
"Register CCL program CCL_PROG as NAME in `ccl-program-table'.\n\
CCL_PROG should be a compiled CCL program (vector), or nil.\n\
If it is nil, just reserve NAME as a CCL program name.\n\
Return index number of the registered CCL program.")
(name, ccl_prog)
Lisp_Object name, ccl_prog;
{
int len = XVECTOR (Vccl_program_table)->size;
int idx;
Lisp_Object resolved;
CHECK_SYMBOL (name, 0);
resolved = Qnil;
if (!NILP (ccl_prog))
{
CHECK_VECTOR (ccl_prog, 1);
resolved = resolve_symbol_ccl_program (ccl_prog);
if (NILP (resolved))
error ("Error in CCL program");
if (VECTORP (resolved))
{
ccl_prog = resolved;
resolved = Qt;
}
else
resolved = Qnil;
}
for (idx = 0; idx < len; idx++)
{
Lisp_Object slot;
slot = XVECTOR (Vccl_program_table)->contents[idx];
if (!VECTORP (slot))
break;
if (EQ (name, XVECTOR (slot)->contents[0]))
{
XVECTOR (slot)->contents[1] = ccl_prog;
XVECTOR (slot)->contents[2] = resolved;
return make_number (idx);
}
}
if (idx == len)
{
Lisp_Object new_table;
int j;
new_table = Fmake_vector (make_number (len * 2), Qnil);
for (j = 0; j < len; j++)
XVECTOR (new_table)->contents[j]
= XVECTOR (Vccl_program_table)->contents[j];
Vccl_program_table = new_table;
}
{
Lisp_Object elt;
elt = Fmake_vector (make_number (3), Qnil);
XVECTOR (elt)->contents[0] = name;
XVECTOR (elt)->contents[1] = ccl_prog;
XVECTOR (elt)->contents[2] = resolved;
XVECTOR (Vccl_program_table)->contents[idx] = elt;
}
Fput (name, Qccl_program_idx, make_number (idx));
return make_number (idx);
}
DEFUN ("register-code-conversion-map", Fregister_code_conversion_map,
Sregister_code_conversion_map,
2, 2, 0,
"Register SYMBOL as code conversion map MAP.\n\
Return index number of the registered map.")
(symbol, map)
Lisp_Object symbol, map;
{
int len = XVECTOR (Vcode_conversion_map_vector)->size;
int i;
Lisp_Object index;
CHECK_SYMBOL (symbol, 0);
CHECK_VECTOR (map, 1);
for (i = 0; i < len; i++)
{
Lisp_Object slot = XVECTOR (Vcode_conversion_map_vector)->contents[i];
if (!CONSP (slot))
break;
if (EQ (symbol, XCAR (slot)))
{
index = make_number (i);
XCDR (slot) = map;
Fput (symbol, Qcode_conversion_map, map);
Fput (symbol, Qcode_conversion_map_id, index);
return index;
}
}
if (i == len)
{
Lisp_Object new_vector = Fmake_vector (make_number (len * 2), Qnil);
int j;
for (j = 0; j < len; j++)
XVECTOR (new_vector)->contents[j]
= XVECTOR (Vcode_conversion_map_vector)->contents[j];
Vcode_conversion_map_vector = new_vector;
}
index = make_number (i);
Fput (symbol, Qcode_conversion_map, map);
Fput (symbol, Qcode_conversion_map_id, index);
XVECTOR (Vcode_conversion_map_vector)->contents[i] = Fcons (symbol, map);
return index;
}
void
syms_of_ccl ()
{
staticpro (&Vccl_program_table);
Vccl_program_table = Fmake_vector (make_number (32), Qnil);
Qccl_program = intern ("ccl-program");
staticpro (&Qccl_program);
Qccl_program_idx = intern ("ccl-program-idx");
staticpro (&Qccl_program_idx);
Qcode_conversion_map = intern ("code-conversion-map");
staticpro (&Qcode_conversion_map);
Qcode_conversion_map_id = intern ("code-conversion-map-id");
staticpro (&Qcode_conversion_map_id);
DEFVAR_LISP ("code-conversion-map-vector", &Vcode_conversion_map_vector,
"Vector of code conversion maps.");
Vcode_conversion_map_vector = Fmake_vector (make_number (16), Qnil);
DEFVAR_LISP ("font-ccl-encoder-alist", &Vfont_ccl_encoder_alist,
"Alist of fontname patterns vs corresponding CCL program.\n\
Each element looks like (REGEXP . CCL-CODE),\n\
where CCL-CODE is a compiled CCL program.\n\
When a font whose name matches REGEXP is used for displaying a character,\n\
CCL-CODE is executed to calculate the code point in the font\n\
from the charset number and position code(s) of the character which are set\n\
in CCL registers R0, R1, and R2 before the execution.\n\
The code point in the font is set in CCL registers R1 and R2\n\
when the execution terminated.\n\
If the font is single-byte font, the register R2 is not used.");
Vfont_ccl_encoder_alist = Qnil;
defsubr (&Sccl_program_p);
defsubr (&Sccl_execute);
defsubr (&Sccl_execute_on_string);
defsubr (&Sregister_ccl_program);
defsubr (&Sregister_code_conversion_map);
}
#endif