fc85c4f8e6
- pass initial character to `ustr_get_identifier` and `ustr_get_word`. - add lowercasing variant `ustr_get_identifier_lc()` - remove `get_word_lc()` in makemode.c - remove `get_js_identifier()` in clang.c
381 lines
11 KiB
C
381 lines
11 KiB
C
/*
|
|
* Miscellaneous QEmacs modes for arm development related file formats
|
|
*
|
|
* Copyright (c) 2014-2017 Charlie Gordon.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "qe.h"
|
|
|
|
char const arm_registers[] = {
|
|
"r0|r1|r2|r3|r4|r5|r6|r7|r8|r9|r10|r11|r12|r13|r14|r15|lr|sp|pc|cpsr|spsr|lsl|lsr|"
|
|
};
|
|
|
|
/*---------------- ARM Assembly language coloring ----------------*/
|
|
|
|
enum {
|
|
ASM_STYLE_TEXT = QE_STYLE_DEFAULT,
|
|
ASM_STYLE_LABEL = QE_STYLE_DEFAULT,
|
|
ASM_STYLE_PREPROCESS = QE_STYLE_PREPROCESS,
|
|
ASM_STYLE_COMMENT = QE_STYLE_COMMENT,
|
|
ASM_STYLE_STRING = QE_STYLE_STRING,
|
|
ASM_STYLE_NUMBER = QE_STYLE_NUMBER,
|
|
ASM_STYLE_OPCODE = QE_STYLE_KEYWORD,
|
|
ASM_STYLE_REGISTER = QE_STYLE_KEYWORD,
|
|
};
|
|
|
|
enum {
|
|
IN_ASM_TRAIL = 1, /* beyond .end directive */
|
|
};
|
|
|
|
static int arm_asm_match_keyword(const unsigned int *buf, const char *str)
|
|
{
|
|
while (*str) {
|
|
if (*buf++ != *str++)
|
|
return 0;
|
|
}
|
|
return !qe_isalnum_(*buf);
|
|
}
|
|
|
|
#define MAX_KEYWORD_SIZE 16
|
|
|
|
static void arm_asm_colorize_line(QEColorizeContext *cp,
|
|
unsigned int *str, int n, ModeDef *syn)
|
|
{
|
|
char keyword[MAX_KEYWORD_SIZE];
|
|
int i = 0, start = 0, c, style, klen, w = 0, wn = 0;
|
|
int colstate = cp->colorize_state;
|
|
|
|
if (colstate & IN_ASM_TRAIL)
|
|
goto comment;
|
|
|
|
for (; qe_isblank(str[i]); i++)
|
|
continue;
|
|
|
|
style = 0;
|
|
w = i;
|
|
while (i < n) {
|
|
start = i;
|
|
c = str[i++];
|
|
switch (c) {
|
|
case '#':
|
|
if (start == 0)
|
|
goto comment;
|
|
break;
|
|
case '.':
|
|
if (start > w)
|
|
break;
|
|
/* scan for comment */
|
|
if (arm_asm_match_keyword(str + i, "end")) {
|
|
colstate |= IN_ASM_TRAIL;
|
|
}
|
|
if (arm_asm_match_keyword(str + i, "byte")
|
|
|| arm_asm_match_keyword(str + i, "word")
|
|
|| arm_asm_match_keyword(str + i, "long")) {
|
|
goto opcode;
|
|
}
|
|
for (; i < n; i++) {
|
|
if (str[i] == '@')
|
|
break;
|
|
}
|
|
style = ASM_STYLE_PREPROCESS;
|
|
break;
|
|
case '@':
|
|
comment:
|
|
i = n;
|
|
style = ASM_STYLE_COMMENT;
|
|
break;
|
|
case '\'':
|
|
case '\"':
|
|
/* parse string const */
|
|
for (; i < n; i++) {
|
|
if (str[i] == (unsigned int)c) {
|
|
i++;
|
|
break;
|
|
}
|
|
}
|
|
style = ASM_STYLE_STRING;
|
|
break;
|
|
case ';': /* instruction separator */
|
|
wn = 0;
|
|
continue;
|
|
default:
|
|
/* parse numbers */
|
|
if (qe_isdigit(c)) {
|
|
for (; qe_isalnum(str[i]) || str[i] == '.'; i++)
|
|
continue;
|
|
if (str[i] == ':')
|
|
goto label;
|
|
wn++;
|
|
style = ASM_STYLE_NUMBER;
|
|
break;
|
|
}
|
|
/* parse identifiers and keywords */
|
|
if (qe_isalpha_(c)) {
|
|
opcode:
|
|
klen = 0;
|
|
keyword[klen++] = qe_tolower(c);
|
|
for (; qe_isalnum_(str[i]) || str[i] == '.'; i++) {
|
|
if (klen < countof(keyword) - 1)
|
|
keyword[klen++] = qe_tolower(str[i]);
|
|
}
|
|
keyword[klen] = '\0';
|
|
if (str[i] == ':') {
|
|
label:
|
|
style = ASM_STYLE_LABEL;
|
|
break;
|
|
}
|
|
if (++wn == 1) {
|
|
style = ASM_STYLE_OPCODE;
|
|
break;
|
|
}
|
|
if (strfind(syn->keywords, keyword)) {
|
|
style = ASM_STYLE_REGISTER;
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
continue;
|
|
}
|
|
if (style) {
|
|
SET_COLOR(str, start, i, style);
|
|
style = 0;
|
|
}
|
|
}
|
|
cp->colorize_state = colstate;
|
|
}
|
|
|
|
static ModeDef arm_asm_mode = {
|
|
.name = "arm-asm",
|
|
.extensions = "s",
|
|
.keywords = arm_registers,
|
|
.colorize_func = arm_asm_colorize_line,
|
|
};
|
|
|
|
static int arm_asm_init(void)
|
|
{
|
|
qe_register_mode(&arm_asm_mode, MODEF_SYNTAX);
|
|
return 0;
|
|
}
|
|
|
|
/*---------------- Assembly listing coloring ----------------*/
|
|
|
|
enum {
|
|
LST_STYLE_TEXT = QE_STYLE_DEFAULT,
|
|
LST_STYLE_OUTPUT = QE_STYLE_COMMENT,
|
|
LST_STYLE_FILENAME = QE_STYLE_STRING,
|
|
LST_STYLE_OPCODE = QE_STYLE_KEYWORD,
|
|
LST_STYLE_KEYWORD = QE_STYLE_KEYWORD,
|
|
LST_STYLE_IDENTIFIER = QE_STYLE_VARIABLE,
|
|
LST_STYLE_OFFSET = QE_STYLE_COMMENT,
|
|
LST_STYLE_COMMENT = QE_STYLE_COMMENT,
|
|
LST_STYLE_NUMBER = QE_STYLE_NUMBER,
|
|
LST_STYLE_DUMP = QE_STYLE_FUNCTION,
|
|
};
|
|
|
|
enum {
|
|
IN_LST_CODE_C = 0x4000,
|
|
IN_LST_CODE_CPP = 0x8000,
|
|
IN_LST_MASK = 0xC000,
|
|
};
|
|
|
|
static void lst_colorize_line(QEColorizeContext *cp,
|
|
unsigned int *str, int n, ModeDef *syn)
|
|
{
|
|
/* Combined assembly / C source / filename listing:
|
|
* determine line type by looking at line start
|
|
*/
|
|
char kbuf[16];
|
|
int i, w, start, c, colstate = cp->colorize_state;
|
|
|
|
for (w = 0; qe_isblank(str[w]); w++)
|
|
continue;
|
|
|
|
if (str[0] && str[1] == ':' && str[2] == '\\') {
|
|
/* has full DOS/Windows pathname */
|
|
if (ustristr(str, ".c:") || ustristr(str, ".h:")) {
|
|
colstate = IN_LST_CODE_C;
|
|
} else
|
|
if (ustristr(str, ".cpp:")) {
|
|
colstate = IN_LST_CODE_CPP;
|
|
}
|
|
SET_COLOR(str, 0, n, LST_STYLE_FILENAME);
|
|
} else {
|
|
int has_assembly = 0;
|
|
|
|
i = 0;
|
|
if (w > 0 && qe_isxdigit(str[w])) {
|
|
for (i = w + 1; qe_isxdigit(str[i]); i++)
|
|
continue;
|
|
if (str[i] == ':')
|
|
has_assembly = 1;
|
|
}
|
|
if (has_assembly) {
|
|
colstate = 0;
|
|
start = w;
|
|
i += 1;
|
|
SET_COLOR(str, start, i, LST_STYLE_OFFSET);
|
|
|
|
for (; qe_isblank(str[i]); i++)
|
|
continue;
|
|
for (start = i; qe_isxdigit(str[i]); i++)
|
|
continue;
|
|
if (str[i] == ' ' && qe_isxdigit(str[i + 1])) {
|
|
for (i += 2; qe_isxdigit(str[i]); i++)
|
|
continue;
|
|
}
|
|
SET_COLOR(str, start, i, LST_STYLE_DUMP);
|
|
for (; qe_isblank(str[i]); i++)
|
|
continue;
|
|
for (start = i; i < n && !qe_isblank(str[i]); i++)
|
|
continue;
|
|
SET_COLOR(str, start, i, LST_STYLE_OPCODE);
|
|
for (; qe_isblank(str[i]); i++)
|
|
continue;
|
|
while (i < n) {
|
|
start = i;
|
|
c = str[i++];
|
|
if (c == ';') {
|
|
i = n;
|
|
SET_COLOR(str, start, i, LST_STYLE_COMMENT);
|
|
continue;
|
|
}
|
|
if (qe_isdigit(c)) {
|
|
for (; qe_isalnum(str[i]); i++)
|
|
continue;
|
|
SET_COLOR(str, start, i, LST_STYLE_NUMBER);
|
|
continue;
|
|
}
|
|
if (qe_isalpha_(c)) {
|
|
i += ustr_get_identifier(kbuf, countof(kbuf), c, str, i, n);
|
|
if (strfind(syn->keywords, kbuf))
|
|
SET_COLOR(str, start, i, LST_STYLE_KEYWORD);
|
|
continue;
|
|
}
|
|
}
|
|
} else {
|
|
/* Hack to try and detect C comments */
|
|
if (str[w] == '*') {
|
|
cp->colorize_state |= 0x01; /* IN_C_COMMENT */
|
|
}
|
|
cp->colorize_state &= ~IN_LST_MASK;
|
|
if (colstate & IN_LST_CODE_C) {
|
|
c_mode.colorize_func(cp, str, n, &c_mode);
|
|
} else
|
|
if (colstate & IN_LST_CODE_CPP) {
|
|
cpp_mode.colorize_func(cp, str, n, &cpp_mode);
|
|
} else {
|
|
SET_COLOR(str, 0, n, LST_STYLE_OUTPUT);
|
|
}
|
|
colstate &= IN_LST_MASK;
|
|
colstate |= cp->colorize_state & ~IN_LST_MASK;
|
|
}
|
|
}
|
|
cp->colorize_state = colstate;
|
|
}
|
|
|
|
static ModeDef arm_lst_mode = {
|
|
.name = "arm-lst",
|
|
.extensions = "lst",
|
|
.colorize_func = lst_colorize_line,
|
|
.keywords = arm_registers,
|
|
};
|
|
|
|
static int arm_lst_init(void)
|
|
{
|
|
qe_register_mode(&arm_lst_mode, MODEF_SYNTAX);
|
|
return 0;
|
|
}
|
|
|
|
/*---------------- Intel Hex file coloring ----------------*/
|
|
|
|
enum {
|
|
INTEL_HEX_STYLE_TEXT = QE_STYLE_DEFAULT,
|
|
INTEL_HEX_STYLE_LEAD = QE_STYLE_FUNCTION,
|
|
INTEL_HEX_STYLE_SIZE = QE_STYLE_NUMBER,
|
|
INTEL_HEX_STYLE_OFFSET = QE_STYLE_COMMENT,
|
|
INTEL_HEX_STYLE_RECTYPE = QE_STYLE_KEYWORD,
|
|
INTEL_HEX_STYLE_DUMP = QE_STYLE_FUNCTION,
|
|
INTEL_HEX_STYLE_CHECKSUM = QE_STYLE_DEFAULT,
|
|
INTEL_HEX_STYLE_ERROR = QE_STYLE_ERROR,
|
|
};
|
|
|
|
static void intel_hex_colorize_line(QEColorizeContext *cp,
|
|
unsigned int *str, int n, ModeDef *syn)
|
|
{
|
|
if (n > 10 && str[0] == ':') {
|
|
/* Hex Load format: `:SSOOOOTTxx...xxCC` */
|
|
int i, sh, sum = 0, chksum = 0;
|
|
for (i = 1, sh = 4; i < n - 2; i++) {
|
|
int x = to_hex(str[i]);
|
|
if (x >= 0) {
|
|
sum += x << sh;
|
|
sh ^= 4;
|
|
}
|
|
}
|
|
sum = (-sum & 0xFF);
|
|
chksum = to_hex(str[i]) << 4;
|
|
chksum += to_hex(str[i + 1]);
|
|
|
|
SET_COLOR(str, 0, 1, INTEL_HEX_STYLE_LEAD);
|
|
SET_COLOR(str, 1, 3, INTEL_HEX_STYLE_SIZE);
|
|
SET_COLOR(str, 3, 7, INTEL_HEX_STYLE_OFFSET);
|
|
SET_COLOR(str, 7, 9, INTEL_HEX_STYLE_RECTYPE);
|
|
SET_COLOR(str, 9, n - 2, INTEL_HEX_STYLE_DUMP);
|
|
SET_COLOR(str, n - 2, n, (chksum == sum) ?
|
|
INTEL_HEX_STYLE_CHECKSUM : INTEL_HEX_STYLE_ERROR);
|
|
}
|
|
}
|
|
|
|
static int intel_hex_mode_probe(ModeDef *syn, ModeProbeData *pd)
|
|
{
|
|
const char *p = (const char *)pd->buf;
|
|
int i;
|
|
|
|
if (match_extension(pd->filename, syn->extensions) && *p == ':') {
|
|
for (i = 1; i < 11; i++) {
|
|
if (!qe_isxdigit(p[i]))
|
|
return 1;
|
|
}
|
|
return 70;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static ModeDef intel_hex_mode = {
|
|
.name = "intel-hex",
|
|
.extensions = "hex",
|
|
.mode_probe = intel_hex_mode_probe,
|
|
.colorize_func = intel_hex_colorize_line,
|
|
};
|
|
|
|
static int intel_hex_init(void)
|
|
{
|
|
qe_register_mode(&intel_hex_mode, MODEF_SYNTAX);
|
|
return 0;
|
|
}
|
|
|
|
/*----------------*/
|
|
|
|
static int arm_modes_init(void)
|
|
{
|
|
arm_asm_init();
|
|
arm_lst_init();
|
|
intel_hex_init();
|
|
return 0;
|
|
}
|
|
|
|
qe_module_init(arm_modes_init);
|