static int
read_yesno (const char *input_str)
{
char input[128];
fputs (input_str, stderr);
if (fgets (input, sizeof (input), stdin) == NULL)
return 0;
if (IS_NEWLINE(input))
return 0;
if (input[0] == 'y' || input[0] == 'Y')
return 1;
return 0;
}
UINT16 OSD_GetWordLen(UINT8* pText, UINT8 font,UINT16* wordwidth,UINT16* wordheight ,UINT16 width)
{
UINT16 wc,wordlen = 0;
UINT16 w,h,mh = 0,ww = 0;
UINT32 cnt;
UINT16 font_w = 0, font_h = 0;
while( (wc = ComMB16ToWord(pText)) != 0)
{
if(IS_NEWLINE(wc))
{
*wordwidth = ww;
*wordheight = mh;
return wordlen;
}
else if((wc > 0x4e00 && wc < 0x9f45)||
(wc > 0x3000 && wc < 0x303f)||
(wc > 0xff00 && wc < 0xffef)||
(wc > 0x2e80 && wc < 0x2eff))//chinese
{
if(font_w == 0)
{
font_w = 36;
font_h = 36;
OSD_GetCharWidthHeight(wc, font, &font_w, &font_h);
//libc_printf("font_w = %d,font_h = %d\n",font_w,font_h);
}
ww += font_w;
mh = font_h;
wordlen += 1;
pText += 2;
break;
}
else if(IS_WORD_END(wc) && wordlen>0)
break;
w = 10;
h = 0;
cnt = 2;
if(is_thai_unicode(wc))
{
struct thai_cell cell;
cnt = thai_get_cell(pText, &cell);
if(cnt == 0)
break;
OSD_GetThaiCellWidthHeight(&cell, font,&w,&h);
}
else
{
OSD_GetCharWidthHeight(wc ,font, &w, &h);
}
if(mh < h)
mh = h;
if((ww+w)<=width)
ww += w;
else
break;
wordlen += cnt/2;
pText += cnt;
if(IS_WORD_END(wc))
break;
}
*wordwidth = ww;
*wordheight = mh;
return wordlen;
}
UINT16 OSD_GetTextTotalLine(UINT8* pText,UINT8 font,UINT16 width,
INT16 lineidx,UINT8** lineStr, UINT8* linesheght)
{
UINT16 l;
UINT16 wc,wordlen;
//UINT16 maxw,maxh;
UINT16 chl;
UINT16 wordw,wordh;
UINT16 line = 0;
if(pText==NULL)
return 0;
l = 0;
chl = 0;
wc = ComMB16ToWord(pText);
while(wc!=0 && line<MAX_LINE_NUM)
{
if(l==0 && line == lineidx && lineStr!=NULL)
*lineStr = pText;
if(IS_NEWLINE(wc))
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
pText += 2;
}
else
{
wordlen = OSD_GetWordLen(pText,font,&wordw,&wordh,width);
if(wordlen > 0)
{
if(chl== 0)
chl = wordh;
/*If first char of the line is a space, ignore it.*/
// if(l == 0 && wordlen==1 && wc == ' ')
// {
// pText += 2;
// }
// else if(l + wordw <= width || l == 0)
if(l + wordw <= width || l == 0)
{
l += wordw;
pText += wordlen*2;
}
else /* Next line*/
{
if(chl < wordh)
chl = wordh;
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
}
}
}
wc = ComMB16ToWord(pText);
if(l !=0 && wc==0)
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
}
}
#ifdef BIDIRECTIONAL_OSD_STYLE
lastLineWidth = l;
#endif
return line;
}
int
do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen)
{
char *to = tostart;
char *toend = tostart + tolen;
char *from;
char *fromend;
int fromlen;
register int ch, ch2 = 0;
/* Character that started the string we're working on. */
static char quotechar;
/*State 0: beginning of normal line
1: After first whitespace on line (flush more white)
2: After first non-white (opcode) on line (keep 1white)
3: after second white on line (into operands) (flush white)
4: after putting out a .linefile, put out digits
5: parsing a string, then go to old-state
6: putting out \ escape in a "d string.
7: no longer used
8: no longer used
9: After seeing symbol char in state 3 (keep 1white after symchar)
10: After seeing whitespace in state 9 (keep white before symchar)
11: After seeing a symbol character in state 0 (eg a label definition)
-1: output string in out_string and go to the state in old_state
-2: flush text until a '*' '/' is seen, then go to state old_state
#ifdef TC_V850
12: After seeing a dash, looking for a second dash as a start
of comment.
#endif
#ifdef DOUBLEBAR_PARALLEL
13: After seeing a vertical bar, looking for a second
vertical bar as a parallel expression separator.
#endif
#ifdef TC_IA64
14: After seeing a `(' at state 0, looking for a `)' as
predicate.
15: After seeing a `(' at state 1, looking for a `)' as
predicate.
#endif
#ifdef TC_Z80
16: After seeing an 'a' or an 'A' at the start of a symbol
17: After seeing an 'f' or an 'F' in state 16
#endif
*/
/* I added states 9 and 10 because the MIPS ECOFF assembler uses
constructs like ``.loc 1 20''. This was turning into ``.loc
120''. States 9 and 10 ensure that a space is never dropped in
between characters which could appear in an identifier. Ian
Taylor, [email protected].
I added state 11 so that something like "Lfoo add %r25,%r26,%r27" works
correctly on the PA (and any other target where colons are optional).
Jeff Law, [email protected].
I added state 13 so that something like "cmp r1, r2 || trap #1" does not
get squashed into "cmp r1,r2||trap#1", with the all important space
between the 'trap' and the '#1' being eliminated. [email protected] */
/* This macro gets the next input character. */
#define GET() \
(from < fromend \
? * (unsigned char *) (from++) \
: (saved_input = NULL, \
fromlen = (*get) (input_buffer, sizeof input_buffer), \
from = input_buffer, \
fromend = from + fromlen, \
(fromlen == 0 \
? EOF \
: * (unsigned char *) (from++))))
/* This macro pushes a character back on the input stream. */
#define UNGET(uch) (*--from = (uch))
/* This macro puts a character into the output buffer. If this
character fills the output buffer, this macro jumps to the label
TOFULL. We use this rather ugly approach because we need to
handle two different termination conditions: EOF on the input
stream, and a full output buffer. It would be simpler if we
always read in the entire input stream before processing it, but
I don't want to make such a significant change to the assembler's
memory usage. */
#define PUT(pch) \
do \
{ \
*to++ = (pch); \
if (to >= toend) \
goto tofull; \
} \
while (0)
if (saved_input != NULL)
{
from = saved_input;
fromend = from + saved_input_len;
}
else
{
fromlen = (*get) (input_buffer, sizeof input_buffer);
if (fromlen == 0)
return 0;
from = input_buffer;
fromend = from + fromlen;
}
while (1)
{
/* The cases in this switch end with continue, in order to
branch back to the top of this while loop and generate the
next output character in the appropriate state. */
switch (state)
{
case -1:
ch = *out_string++;
if (*out_string == '\0')
{
state = old_state;
old_state = 3;
}
PUT (ch);
continue;
case -2:
for (;;)
{
do
{
ch = GET ();
if (ch == EOF)
{
as_warn (_("end of file in comment"));
goto fromeof;
}
if (ch == '\n')
PUT ('\n');
}
while (ch != '*');
while ((ch = GET ()) == '*')
;
if (ch == EOF)
{
as_warn (_("end of file in comment"));
goto fromeof;
}
if (ch == '/')
break;
UNGET (ch);
}
state = old_state;
UNGET (' ');
continue;
case 4:
ch = GET ();
if (ch == EOF)
goto fromeof;
else if (ch >= '0' && ch <= '9')
PUT (ch);
else
{
while (ch != EOF && IS_WHITESPACE (ch))
ch = GET ();
if (ch == '"')
{
quotechar = ch;
state = 5;
old_state = 3;
PUT (ch);
}
else
{
while (ch != EOF && ch != '\n')
ch = GET ();
state = 0;
PUT (ch);
}
}
continue;
case 5:
/* We are going to copy everything up to a quote character,
with special handling for a backslash. We try to
optimize the copying in the simple case without using the
GET and PUT macros. */
{
char *s;
int len;
for (s = from; s < fromend; s++)
{
ch = *s;
if (ch == '\\'
|| ch == quotechar
|| ch == '\n')
break;
}
len = s - from;
if (len > toend - to)
len = toend - to;
if (len > 0)
{
memcpy (to, from, len);
to += len;
from += len;
if (to >= toend)
goto tofull;
}
}
ch = GET ();
if (ch == EOF)
{
as_warn (_("end of file in string; '%c' inserted"), quotechar);
state = old_state;
UNGET ('\n');
PUT (quotechar);
}
else if (ch == quotechar)
{
state = old_state;
PUT (ch);
}
#ifndef NO_STRING_ESCAPES
else if (ch == '\\')
{
state = 6;
PUT (ch);
}
#endif
else if (scrub_m68k_mri && ch == '\n')
{
/* Just quietly terminate the string. This permits lines like
bne label loop if we haven't reach end yet. */
state = old_state;
UNGET (ch);
PUT ('\'');
}
else
{
PUT (ch);
}
continue;
case 6:
state = 5;
ch = GET ();
switch (ch)
{
/* Handle strings broken across lines, by turning '\n' into
'\\' and 'n'. */
case '\n':
UNGET ('n');
add_newlines++;
PUT ('\\');
continue;
case EOF:
as_warn (_("end of file in string; '%c' inserted"), quotechar);
PUT (quotechar);
continue;
case '"':
case '\\':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
case 'x':
case 'X':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
break;
default:
#ifdef ONLY_STANDARD_ESCAPES
as_warn (_("unknown escape '\\%c' in string; ignored"), ch);
#endif
break;
}
PUT (ch);
continue;
#ifdef DOUBLEBAR_PARALLEL
case 13:
ch = GET ();
if (ch != '|')
abort ();
/* Reset back to state 1 and pretend that we are parsing a
line from just after the first white space. */
state = 1;
PUT ('|');
continue;
#endif
#ifdef TC_Z80
case 16:
/* We have seen an 'a' at the start of a symbol, look for an 'f'. */
ch = GET ();
if (ch == 'f' || ch == 'F')
{
state = 17;
PUT (ch);
}
else
{
state = 9;
break;
}
case 17:
/* We have seen "af" at the start of a symbol,
a ' here is a part of that symbol. */
ch = GET ();
state = 9;
if (ch == '\'')
/* Change to avoid warning about unclosed string. */
PUT ('`');
else
UNGET (ch);
break;
#endif
}
/* OK, we are somewhere in states 0 through 4 or 9 through 11. */
/* flushchar: */
ch = GET ();
#ifdef TC_IA64
if (ch == '(' && (state == 0 || state == 1))
{
state += 14;
PUT (ch);
continue;
}
else if (state == 14 || state == 15)
{
if (ch == ')')
{
state -= 14;
PUT (ch);
ch = GET ();
}
else
{
PUT (ch);
continue;
}
}
#endif
recycle:
#if defined TC_ARM && defined OBJ_ELF
/* We need to watch out for .symver directives. See the comment later
in this function. */
if (symver_state == NULL)
{
if ((state == 0 || state == 1) && ch == symver_pseudo[0])
symver_state = symver_pseudo + 1;
}
else
{
/* We advance to the next state if we find the right
character. */
if (ch != '\0' && (*symver_state == ch))
++symver_state;
else if (*symver_state != '\0')
/* We did not get the expected character, or we didn't
get a valid terminating character after seeing the
entire pseudo-op, so we must go back to the beginning. */
symver_state = NULL;
else
{
/* We've read the entire pseudo-op. If this is the end
of the line, go back to the beginning. */
if (IS_NEWLINE (ch))
symver_state = NULL;
}
}
#endif /* TC_ARM && OBJ_ELF */
#ifdef TC_M68K
/* We want to have pseudo-ops which control whether we are in
MRI mode or not. Unfortunately, since m68k MRI mode affects
the scrubber, that means that we need a special purpose
recognizer here. */
if (mri_state == NULL)
{
if ((state == 0 || state == 1)
&& ch == mri_pseudo[0])
mri_state = mri_pseudo + 1;
}
else
{
/* We advance to the next state if we find the right
character, or if we need a space character and we get any
whitespace character, or if we need a '0' and we get a
'1' (this is so that we only need one state to handle
``.mri 0'' and ``.mri 1''). */
if (ch != '\0'
&& (*mri_state == ch
|| (*mri_state == ' '
&& lex[ch] == LEX_IS_WHITESPACE)
|| (*mri_state == '0'
&& ch == '1')))
{
mri_last_ch = ch;
++mri_state;
}
else if (*mri_state != '\0'
|| (lex[ch] != LEX_IS_WHITESPACE
&& lex[ch] != LEX_IS_NEWLINE))
{
/* We did not get the expected character, or we didn't
get a valid terminating character after seeing the
entire pseudo-op, so we must go back to the
beginning. */
mri_state = NULL;
}
else
{
/* We've read the entire pseudo-op. mips_last_ch is
either '0' or '1' indicating whether to enter or
leave MRI mode. */
do_scrub_begin (mri_last_ch == '1');
mri_state = NULL;
/* We continue handling the character as usual. The
main gas reader must also handle the .mri pseudo-op
to control expression parsing and the like. */
}
}
#endif
if (ch == EOF)
{
if (state != 0)
{
as_warn (_("end of file not at end of a line; newline inserted"));
state = 0;
PUT ('\n');
}
goto fromeof;
}
switch (lex[ch])
{
case LEX_IS_WHITESPACE:
do
{
ch = GET ();
}
while (ch != EOF && IS_WHITESPACE (ch));
if (ch == EOF)
goto fromeof;
if (state == 0)
{
/* Preserve a single whitespace character at the
beginning of a line. */
state = 1;
UNGET (ch);
PUT (' ');
break;
}
#ifdef KEEP_WHITE_AROUND_COLON
if (lex[ch] == LEX_IS_COLON)
{
/* Only keep this white if there's no white *after* the
colon. */
ch2 = GET ();
UNGET (ch2);
if (!IS_WHITESPACE (ch2))
{
state = 9;
UNGET (ch);
PUT (' ');
break;
}
}
#endif
if (IS_COMMENT (ch)
|| ch == '/'
|| IS_LINE_SEPARATOR (ch)
|| IS_PARALLEL_SEPARATOR (ch))
{
if (scrub_m68k_mri)
{
/* In MRI mode, we keep these spaces. */
UNGET (ch);
PUT (' ');
break;
}
goto recycle;
}
/* If we're in state 2 or 11, we've seen a non-white
character followed by whitespace. If the next character
is ':', this is whitespace after a label name which we
normally must ignore. In MRI mode, though, spaces are
not permitted between the label and the colon. */
if ((state == 2 || state == 11)
&& lex[ch] == LEX_IS_COLON
&& ! scrub_m68k_mri)
{
state = 1;
PUT (ch);
break;
}
switch (state)
{
case 1:
/* We can arrive here if we leave a leading whitespace
character at the beginning of a line. */
goto recycle;
case 2:
state = 3;
if (to + 1 < toend)
{
/* Optimize common case by skipping UNGET/GET. */
PUT (' '); /* Sp after opco */
goto recycle;
}
UNGET (ch);
PUT (' ');
break;
case 3:
if (scrub_m68k_mri)
{
/* In MRI mode, we keep these spaces. */
UNGET (ch);
PUT (' ');
break;
}
goto recycle; /* Sp in operands */
case 9:
case 10:
if (scrub_m68k_mri)
{
/* In MRI mode, we keep these spaces. */
state = 3;
UNGET (ch);
PUT (' ');
break;
}
state = 10; /* Sp after symbol char */
goto recycle;
case 11:
if (LABELS_WITHOUT_COLONS || flag_m68k_mri)
state = 1;
else
{
/* We know that ch is not ':', since we tested that
case above. Therefore this is not a label, so it
must be the opcode, and we've just seen the
whitespace after it. */
state = 3;
}
UNGET (ch);
PUT (' '); /* Sp after label definition. */
break;
default:
BAD_CASE (state);
}
break;
case LEX_IS_TWOCHAR_COMMENT_1ST:
ch2 = GET ();
if (ch2 == '*')
{
for (;;)
{
do
{
ch2 = GET ();
if (ch2 != EOF && IS_NEWLINE (ch2))
add_newlines++;
}
while (ch2 != EOF && ch2 != '*');
while (ch2 == '*')
ch2 = GET ();
if (ch2 == EOF || ch2 == '/')
break;
/* This UNGET will ensure that we count newlines
correctly. */
UNGET (ch2);
}
if (ch2 == EOF)
as_warn (_("end of file in multiline comment"));
ch = ' ';
goto recycle;
}
#ifdef DOUBLESLASH_LINE_COMMENTS
else if (ch2 == '/')
{
do
{
ch = GET ();
}
while (ch != EOF && !IS_NEWLINE (ch));
if (ch == EOF)
as_warn ("end of file in comment; newline inserted");
state = 0;
PUT ('\n');
break;
}
#endif
else
{
if (ch2 != EOF)
UNGET (ch2);
if (state == 9 || state == 10)
state = 3;
PUT (ch);
}
break;
case LEX_IS_STRINGQUOTE:
quotechar = ch;
if (state == 10)
{
/* Preserve the whitespace in foo "bar". */
UNGET (ch);
state = 3;
PUT (' ');
/* PUT didn't jump out. We could just break, but we
know what will happen, so optimize a bit. */
ch = GET ();
old_state = 3;
}
else if (state == 9)
old_state = 3;
else
old_state = state;
state = 5;
PUT (ch);
break;
#ifndef IEEE_STYLE
case LEX_IS_ONECHAR_QUOTE:
if (state == 10)
{
/* Preserve the whitespace in foo 'b'. */
UNGET (ch);
state = 3;
PUT (' ');
break;
}
ch = GET ();
if (ch == EOF)
{
as_warn (_("end of file after a one-character quote; \\0 inserted"));
ch = 0;
}
if (ch == '\\')
{
ch = GET ();
if (ch == EOF)
{
as_warn (_("end of file in escape character"));
ch = '\\';
}
else
ch = process_escape (ch);
}
sprintf (out_buf, "%d", (int) (unsigned char) ch);
/* None of these 'x constants for us. We want 'x'. */
if ((ch = GET ()) != '\'')
{
#ifdef REQUIRE_CHAR_CLOSE_QUOTE
as_warn (_("missing close quote; (assumed)"));
#else
if (ch != EOF)
UNGET (ch);
#endif
}
if (strlen (out_buf) == 1)
{
PUT (out_buf[0]);
break;
}
if (state == 9)
old_state = 3;
else
old_state = state;
state = -1;
out_string = out_buf;
PUT (*out_string++);
break;
#endif
case LEX_IS_COLON:
#ifdef KEEP_WHITE_AROUND_COLON
state = 9;
#else
if (state == 9 || state == 10)
state = 3;
else if (state != 3)
state = 1;
#endif
PUT (ch);
break;
case LEX_IS_NEWLINE:
/* Roll out a bunch of newlines from inside comments, etc. */
if (add_newlines)
{
--add_newlines;
UNGET (ch);
}
/* Fall through. */
case LEX_IS_LINE_SEPARATOR:
state = 0;
PUT (ch);
break;
case LEX_IS_PARALLEL_SEPARATOR:
state = 1;
PUT (ch);
break;
#ifdef TC_V850
case LEX_IS_DOUBLEDASH_1ST:
ch2 = GET ();
if (ch2 != '-')
{
UNGET (ch2);
goto de_fault;
}
/* Read and skip to end of line. */
do
{
ch = GET ();
}
while (ch != EOF && ch != '\n');
if (ch == EOF)
as_warn (_("end of file in comment; newline inserted"));
state = 0;
PUT ('\n');
break;
#endif
#ifdef DOUBLEBAR_PARALLEL
case LEX_IS_DOUBLEBAR_1ST:
ch2 = GET ();
UNGET (ch2);
if (ch2 != '|')
goto de_fault;
/* Handle '||' in two states as invoking PUT twice might
result in the first one jumping out of this loop. We'd
then lose track of the state and one '|' char. */
state = 13;
PUT ('|');
break;
#endif
case LEX_IS_LINE_COMMENT_START:
/* FIXME-someday: The two character comment stuff was badly
thought out. On i386, we want '/' as line comment start
AND we want C style comments. hence this hack. The
whole lexical process should be reworked. xoxorich. */
if (ch == '/')
{
ch2 = GET ();
if (ch2 == '*')
{
old_state = 3;
state = -2;
break;
}
else
{
UNGET (ch2);
}
}
if (state == 0 || state == 1) /* Only comment at start of line. */
{
int startch;
startch = ch;
do
{
ch = GET ();
}
while (ch != EOF && IS_WHITESPACE (ch));
if (ch == EOF)
{
as_warn (_("end of file in comment; newline inserted"));
PUT ('\n');
break;
}
if (ch < '0' || ch > '9' || state != 0 || startch != '#')
{
/* Not a cpp line. */
while (ch != EOF && !IS_NEWLINE (ch))
ch = GET ();
if (ch == EOF)
as_warn (_("end of file in comment; newline inserted"));
state = 0;
PUT ('\n');
break;
}
/* Looks like `# 123 "filename"' from cpp. */
UNGET (ch);
old_state = 4;
state = -1;
if (scrub_m68k_mri)
out_string = "\tlinefile ";
else
out_string = "\t.linefile ";
PUT (*out_string++);
break;
}
#ifdef TC_D10V
/* All insns end in a char for which LEX_IS_SYMBOL_COMPONENT is true.
Trap is the only short insn that has a first operand that is
neither register nor label.
We must prevent exef0f ||trap #1 to degenerate to exef0f ||trap#1 .
We can't make '#' LEX_IS_SYMBOL_COMPONENT because it is
already LEX_IS_LINE_COMMENT_START. However, it is the
only character in line_comment_chars for d10v, hence we
can recognize it as such. */
/* An alternative approach would be to reset the state to 1 when
we see '||', '<'- or '->', but that seems to be overkill. */
if (state == 10)
PUT (' ');
#endif
/* We have a line comment character which is not at the
start of a line. If this is also a normal comment
character, fall through. Otherwise treat it as a default
character. */
if (strchr (tc_comment_chars, ch) == NULL
&& (! scrub_m68k_mri
|| (ch != '!' && ch != '*')))
goto de_fault;
if (scrub_m68k_mri
&& (ch == '!' || ch == '*' || ch == '#')
&& state != 1
&& state != 10)
goto de_fault;
/* Fall through. */
case LEX_IS_COMMENT_START:
#if defined TC_ARM && defined OBJ_ELF
/* On the ARM, `@' is the comment character.
Unfortunately this is also a special character in ELF .symver
directives (and .type, though we deal with those another way).
So we check if this line is such a directive, and treat
the character as default if so. This is a hack. */
if ((symver_state != NULL) && (*symver_state == 0))
goto de_fault;
#endif
#ifdef TC_ARM
/* For the ARM, care is needed not to damage occurrences of \@
by stripping the @ onwards. Yuck. */
if (to > tostart && *(to - 1) == '\\')
/* Do not treat the @ as a start-of-comment. */
goto de_fault;
#endif
#ifdef WARN_COMMENTS
if (!found_comment)
as_where (&found_comment_file, &found_comment);
#endif
do
{
ch = GET ();
}
while (ch != EOF && !IS_NEWLINE (ch));
if (ch == EOF)
as_warn (_("end of file in comment; newline inserted"));
state = 0;
PUT ('\n');
break;
case LEX_IS_SYMBOL_COMPONENT:
if (state == 10)
{
/* This is a symbol character following another symbol
character, with whitespace in between. We skipped
the whitespace earlier, so output it now. */
UNGET (ch);
state = 3;
PUT (' ');
break;
}
#ifdef TC_Z80
/* "af'" is a symbol containing '\''. */
if (state == 3 && (ch == 'a' || ch == 'A'))
{
state = 16;
PUT (ch);
ch = GET ();
if (ch == 'f' || ch == 'F')
{
state = 17;
PUT (ch);
break;
}
else
{
state = 9;
if (!IS_SYMBOL_COMPONENT (ch))
{
UNGET (ch);
break;
}
}
}
#endif
if (state == 3)
state = 9;
/* This is a common case. Quickly copy CH and all the
following symbol component or normal characters. */
if (to + 1 < toend
&& mri_state == NULL
#if defined TC_ARM && defined OBJ_ELF
&& symver_state == NULL
#endif
)
{
char *s;
int len;
for (s = from; s < fromend; s++)
{
int type;
ch2 = *(unsigned char *) s;
type = lex[ch2];
if (type != 0
&& type != LEX_IS_SYMBOL_COMPONENT)
break;
}
if (s > from)
/* Handle the last character normally, for
simplicity. */
--s;
len = s - from;
if (len > (toend - to) - 1)
len = (toend - to) - 1;
if (len > 0)
{
PUT (ch);
memcpy (to, from, len);
to += len;
from += len;
if (to >= toend)
goto tofull;
ch = GET ();
}
}
/* Fall through. */
default:
de_fault:
/* Some relatively `normal' character. */
if (state == 0)
{
state = 11; /* Now seeing label definition. */
}
else if (state == 1)
{
state = 2; /* Ditto. */
}
else if (state == 9)
{
if (!IS_SYMBOL_COMPONENT (ch))
state = 3;
}
else if (state == 10)
{
if (ch == '\\')
{
/* Special handling for backslash: a backslash may
be the beginning of a formal parameter (of a
macro) following another symbol character, with
whitespace in between. If that is the case, we
output a space before the parameter. Strictly
speaking, correct handling depends upon what the
macro parameter expands into; if the parameter
expands into something which does not start with
an operand character, then we don't want to keep
the space. We don't have enough information to
make the right choice, so here we are making the
choice which is more likely to be correct. */
if (to + 1 >= toend)
{
/* If we're near the end of the buffer, save the
character for the next time round. Otherwise
we'll lose our state. */
UNGET (ch);
goto tofull;
}
*to++ = ' ';
}
state = 3;
}
PUT (ch);
break;
}
}
/*NOTREACHED*/
fromeof:
/* We have reached the end of the input. */
return to - tostart;
tofull:
/* The output buffer is full. Save any input we have not yet
processed. */
if (fromend > from)
{
saved_input = from;
saved_input_len = fromend - from;
}
else
saved_input = NULL;
return to - tostart;
}
/**
* Identifies the next token in the input stream. When the function starts, the
* cursor points to the beginning of the token to identify. When the function
* returns, the cursor points to the beginning of the next token, one character
* past the end of the current token. The return value is an enum indicating
* the identified token's type. Since this function also identifies non-syntax
* elements such as whitespace and comments, additional filtering may be useful.
*/
Token lex(char const **p, char const *end)
{
if (end <= *p) {
return LEX_END;
/* Whitespace: */
} else if (IS_SPACE(**p)) {
do {
++*p;
} while (*p < end && IS_SPACE(**p));
return LEX_WHITESPACE;
/* Newline: */
} else if (**p == '\n' || **p == '\f') {
++*p;
return LEX_NEWLINE;
} else if (**p == '\r') {
++*p;
if (*p < end && **p == '\n')
++*p;
return LEX_NEWLINE;
/* Comments: */
} else if (**p == '/') {
++*p;
if (end <= *p) return LEX_SLASH;
/* C++ style comments: */
if (**p == '/') {
do {
++*p;
} while (*p < end && !IS_NEWLINE(**p));
return LEX_COMMENT;
/* C style comments: */
} else if (**p == '*') {
do {
do {
++*p;
if (end <= *p) return LEX_ERROR_END;
} while (**p != '*');
do {
++*p;
if (end <= *p) return LEX_ERROR_END;
} while (**p == '*');
} while (**p != '/');
++*p;
return LEX_COMMENT;
/* Lone slash: */
} else {
return LEX_SLASH;
}
/* Double-quoted string literal: */
} else if (**p == '\"') {
do {
++*p;
if (end <= *p) return LEX_ERROR_END;
if (**p == '\\') {
++*p;
if (end <= *p) return LEX_ERROR_END;
++*p;
if (end <= *p) return LEX_ERROR_END;
}
} while (**p != '\"');
++*p;
return LEX_STRING;
/* Single-quoted character literal: */
} else if (**p == '\'') {
do {
++*p;
if (end <= *p) return LEX_ERROR_END;
if (**p == '\\') {
++*p;
if (end <= *p) return LEX_ERROR_END;
++*p;
if (end <= *p) return LEX_ERROR_END;
}
} while (**p != '\'');
++*p;
return LEX_CHAR;
/* Numeric literals (including malformed ones, which are ignored): */
} else if ('0' <= **p && **p <= '9') {
do {
++*p;
} while (*p < end && IS_ALPHANUM(**p));
return LEX_NUMBER;
/* Identifiers: */
} else if (IS_ALPHA(**p)) {
do {
++*p;
} while (*p < end && IS_ALPHANUM(**p));
return LEX_IDENTIFIER;
/* Token-pasting: */
} else if (**p == '\\') {
++*p;
if (end <= *p) return LEX_BACKSLASH;
if (**p == '\\') {
++*p;
return LEX_PASTE;
} else if (**p == 'o') {
++*p;
if (*p < end && **p == 'l') {
++*p;
return LEX_ESCAPE;
} else {
--*p;
return LEX_BACKSLASH;
}
}
return LEX_BACKSLASH;
/* Symbols: */
} else if (**p == '!') { ++*p; return LEX_BANG;
} else if (**p == '&') { ++*p; return LEX_AMP;
} else if (**p == '(') { ++*p; return LEX_PAREN_L;
} else if (**p == ')') { ++*p; return LEX_PAREN_R;
} else if (**p == '*') { ++*p; return LEX_STAR;
} else if (**p == ',') { ++*p; return LEX_COMMA;
} else if (**p == '.') { ++*p; return LEX_DOT;
/* LEX_SLASH was recognized earlier. */
} else if (**p == ';') { ++*p; return LEX_SEMICOLON;
} else if (**p == '<') { ++*p; return LEX_LT;
} else if (**p == '=') { ++*p; return LEX_EQUALS;
} else if (**p == '>') { ++*p; return LEX_GT;
/* LEX_BACKSLASH was recognized earlier. */
} else if (**p == '{') { ++*p; return LEX_BRACE_L;
} else if (**p == '|') { ++*p; return LEX_PIPE;
} else if (**p == '}') { ++*p; return LEX_BRACE_R;
/* Any other character: */
} else {
++*p;
return LEX_ERROR;
}
}
UINT16 OSD_GetTextTotalLine(UINT8* pText,UINT8 font,UINT16 width,
INT16 lineidx,UINT8** lineStr, UINT8* linesheght)
{
UINT16 l,wc,wordlen,chl,wordw,wordh,line;
l = 0;
chl = 0;
line = 0;
if(pText==NULL)
return 0;
wc = ComMB16ToWord(pText);
while(wc!=0 && line<MAX_LINE_NUM)
{
if(l==0 && line == lineidx && lineStr!=NULL)
*lineStr = pText;
if(IS_NEWLINE(wc))
{
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
pText += 2;
}
else
{
wordlen = OSD_GetWordLen(pText,font,&wordw,&wordh,width);
if(wordlen > 0)
{
if(chl== 0)
chl = wordh;
if(l + wordw <= width || l == 0)
{
l += wordw;
pText += wordlen*2;
}
else /* Next line*/
{
if(chl < wordh)
chl = wordh;
if(chl== 0)
chl = OSD_FONT_HEIGHT;
if(linesheght != NULL)
linesheght[line] = chl;
line++;
l = 0;
chl = 0;
}
}
}
wc = ComMB16ToWord(pText);
if(l !=0 && wc==0)
{//end of the multitext content
if(chl== 0)
chl = OSD_FONT_HEIGHT;
linesheght[line] = chl;
line++;
}
}
return line;
}
static enum state parse_property_char(
enum state s,
const char ch
) {
switch( s ) {
case s_newline:
if( IS_ALPHA( ch ) ) {
return s_key;
} else if( IS_NEWLINE( ch ) ) {
return s_newline;
} else {
return s_dead;
}
case s_key:
if( IS_KEY_CHAR( ch ) ) {
return s_key;
} else if( IS_SPACE( ch ) ) {
return s_seperator_pre;
} else if( IS_SEPERATOR( ':' ) ) {
return s_seperator;
} else {
return s_dead;
}
case s_seperator_pre:
if( IS_SPACE( ch ) ) {
return s_seperator_pre;
} else if( IS_SEPERATOR( ':' ) ) {
return s_seperator;
} else {
return s_dead;
}
case s_seperator:
if( IS_SPACE( ch ) ) {
return s_seperator_post;
} else if( IS_NEWLINE( ch ) ) {
return s_newline;
} else {
return s_value;
}
case s_seperator_post:
if( IS_SPACE( ch ) ) {
return s_seperator_post;
} else if( ch == ':' ) {
return s_seperator;
} else if( IS_NEWLINE( ch ) ) {
return s_newline;
} else {
return s_value;
}
case s_value:
if( IS_NEWLINE( ch ) ) {
return s_newline;
} else {
return s_value;
}
default:
return s_dead;
}
}