Alexandre Julliard cd91bc61be Now that we are requiring bison anyway, make the .tab.c file use the
same base name as the .y file, so that we can generate correct
dependencies in all cases.
2005-09-28 18:17:08 +00:00

748 lines
19 KiB
C

/*
* Wine Message Compiler lexical scanner
*
* Copyright 2000 Bertho A. Stultiens (BS)
*
* 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 2.1 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 "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <assert.h>
#include <string.h>
#include "utils.h"
#include "wmc.h"
#include "lang.h"
#include "mcy.tab.h"
/*
* Keywords are case insenitive. All normal input is treated as
* being in codepage iso-8859-1 for ascii input files (unicode
* page 0) and as equivalent unicode if unicode input is selected.
* All normal input, which is not part of a message text, is
* enforced to be unicode page 0. Otherwise an error will be
* generated. The normal file data should only be ASCII because
* that is the basic definition of the grammar.
*
* Byteorder or unicode input is determined automatically by
* reading the first 8 bytes and checking them against unicode
* page 0 byteorder (hibyte must be 0).
* -- FIXME --
* Alternatively, the input is checked against a special byte
* sequence to identify the file.
* -- FIXME --
*
*
* Keywords:
* Codepages
* Facility
* FacilityNames
* LanguageNames
* MessageId
* MessageIdTypedef
* Severity
* SeverityNames
* SymbolicName
*
* Default added identifiers for classes:
* SeverityNames:
* Success = 0x0
* Informational = 0x1
* Warning = 0x2
* Error = 0x3
* FacilityNames:
* System = 0x0FF
* Application = 0xFFF
*
* The 'Codepages' keyword is a wmc extension.
*/
static WCHAR ustr_application[] = { 'A', 'p', 'p', 'l', 'i', 'c', 'a', 't', 'i', 'o', 'n', 0 };
static WCHAR ustr_codepages[] = { 'C', 'o', 'd', 'e', 'p', 'a', 'g', 'e', 's', 0 };
static WCHAR ustr_english[] = { 'E', 'n', 'g', 'l', 'i', 's', 'h', 0 };
static WCHAR ustr_error[] = { 'E', 'r', 'r', 'o', 'r', 0 };
static WCHAR ustr_facility[] = { 'F', 'a', 'c', 'i', 'l', 'i', 't', 'y', 0 };
static WCHAR ustr_facilitynames[] = { 'F', 'a', 'c', 'i', 'l', 'i', 't', 'y', 'N', 'a', 'm', 'e', 's', 0 };
static WCHAR ustr_informational[] = { 'I', 'n', 'f', 'o', 'r', 'm', 'a', 't', 'i', 'o', 'n', 'a', 'l', 0 };
static WCHAR ustr_language[] = { 'L', 'a', 'n', 'g', 'u', 'a', 'g', 'e', 0};
static WCHAR ustr_languagenames[] = { 'L', 'a', 'n', 'g', 'u', 'a', 'g', 'e', 'N', 'a', 'm', 'e', 's', 0};
static WCHAR ustr_messageid[] = { 'M', 'e', 's', 's', 'a', 'g', 'e', 'I', 'd', 0 };
static WCHAR ustr_messageidtypedef[] = { 'M', 'e', 's', 's', 'a', 'g', 'e', 'I', 'd', 'T', 'y', 'p', 'e', 'd', 'e', 'f', 0 };
static WCHAR ustr_outputbase[] = { 'O', 'u', 't', 'p', 'u', 't', 'B', 'a', 's', 'e', 0 };
static WCHAR ustr_severity[] = { 'S', 'e', 'v', 'e', 'r', 'i', 't', 'y', 0 };
static WCHAR ustr_severitynames[] = { 'S', 'e', 'v', 'e', 'r', 'i', 't', 'y', 'N', 'a', 'm', 'e', 's', 0 };
static WCHAR ustr_success[] = { 'S', 'u', 'c', 'c', 'e', 's', 's', 0 };
static WCHAR ustr_symbolicname[] = { 'S', 'y', 'm', 'b', 'o', 'l', 'i', 'c', 'N', 'a', 'm', 'e', 0 };
static WCHAR ustr_system[] = { 'S', 'y', 's', 't', 'e', 'm', 0 };
static WCHAR ustr_warning[] = { 'W', 'a', 'r', 'n', 'i', 'n', 'g', 0 };
static WCHAR ustr_msg00001[] = { 'm', 's', 'g', '0', '0', '0', '0', '1', 0 };
/*
* This table is to beat any form of "expression building" to check for
* correct filename characters. It is also used for ident checks.
* FIXME: use it more consistently.
*/
#define CH_SHORTNAME 0x01
#define CH_LONGNAME 0x02
#define CH_IDENT 0x04
#define CH_NUMBER 0x08
/*#define CH_WILDCARD 0x10*/
/*#define CH_DOT 0x20*/
#define CH_PUNCT 0x40
#define CH_INVALID 0x80
static const char char_table[256] = {
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x00 - 0x07 */
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x08 - 0x0F */
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x10 - 0x17 */
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, /* 0x18 - 0x1F */
0x80, 0x03, 0x80, 0x03, 0x03, 0x03, 0x03, 0x03, /* 0x20 - 0x27 " !"#$%&'" */
0x43, 0x43, 0x10, 0x80, 0x03, 0x03, 0x22, 0x80, /* 0x28 - 0x2F "()*+,-./" */
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, /* 0x30 - 0x37 "01234567" */
0x0b, 0x0b, 0xc0, 0x80, 0x80, 0x80, 0x80, 0x10, /* 0x38 - 0x3F "89:;<=>?" */
0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x40 - 0x47 "@ABCDEFG" */
0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x48 - 0x4F "HIJKLMNO" */
0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x50 - 0x57 "PQRSTUVW" */
0x07, 0x07, 0x07, 0x80, 0x80, 0x80, 0x80, 0x07, /* 0x58 - 0x5F "XYZ[\]^_" */
0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x60 - 0x67 "`abcdefg" */
0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x68 - 0x6F "hijklmno" */
0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, /* 0x70 - 0x77 "pqrstuvw" */
0x07, 0x07, 0x07, 0x03, 0x80, 0x03, 0x03, 0x80, /* 0x78 - 0x7F "xyz{|}~ " */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x80 - 0x87 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x88 - 0x8F */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x90 - 0x97 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0x98 - 0x9F */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xA0 - 0xA7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xA8 - 0xAF */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xB0 - 0xB7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xB8 - 0xBF */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xC0 - 0xC7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xC8 - 0xCF */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xD0 - 0xD7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xD8 - 0xDF */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xE0 - 0xE7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xE8 - 0xEF */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, /* 0xF0 - 0xF7 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x80, /* 0xF8 - 0xFF */
};
static int isisochar(int ch)
{
return !(ch & (~0xff));
}
static int codepage;
static const union cptable *codepage_def;
void set_codepage(int cp)
{
codepage = cp;
codepage_def = find_codepage(codepage);
if(!codepage_def)
xyyerror("Codepage %d not found; cannot process", codepage);
}
/*
* Input functions
*/
static int nungetstack = 0;
static int allocungetstack = 0;
static char *ungetstack = NULL;
static int ninputbuffer = 0;
static WCHAR *inputbuffer = NULL;
static char *xlatebuffer = NULL;
#define INPUTBUFFER_SIZE 2048 /* Must be larger than 4 and approx. large enough to hold a line */
/*
* Fill the input buffer with *one* line of input.
* The line is '\n' terminated so that scanning
* messages with translation works as expected
* (otherwise we cannot pre-translate because the
* language is first known one line before the
* actual message).
*/
static int fill_inputbuffer(void)
{
int n;
static const char err_fatalread[] = "Fatal: reading input failed";
static int endian = -1;
if(!inputbuffer)
{
inputbuffer = xmalloc(INPUTBUFFER_SIZE);
xlatebuffer = xmalloc(INPUTBUFFER_SIZE);
}
try_again:
if(!unicodein)
{
char *cptr;
cptr = fgets(xlatebuffer, INPUTBUFFER_SIZE, yyin);
if(!cptr && ferror(yyin))
xyyerror(err_fatalread);
else if(!cptr)
return 0;
assert(codepage_def != NULL);
n = wine_cp_mbstowcs(codepage_def, 0, xlatebuffer, strlen(xlatebuffer)+1, inputbuffer, INPUTBUFFER_SIZE);
if(n < 0)
internal_error(__FILE__, __LINE__, "Could not translate to unicode (%d)", n);
if(n <= 1)
goto try_again; /* Should not hapen */
n--; /* Strip added conversion '\0' from input length */
/*
* FIXME:
* Detect UTF-8 in the first time we read some bytes by
* checking the special sequence "FE..." or something like
* that. I need to check www.unicode.org for details.
*/
}
else
{
if(endian == -1)
{
n = fread(inputbuffer, 1, 8, yyin);
if(n != 8)
{
if(!n && ferror(yyin))
xyyerror(err_fatalread);
else
xyyerror("Fatal: file to short to determine byteorder (should never happen)");
}
if(isisochar(inputbuffer[0]) &&
isisochar(inputbuffer[1]) &&
isisochar(inputbuffer[2]) &&
isisochar(inputbuffer[3]))
{
#ifdef WORDS_BIGENDIAN
endian = WMC_BO_BIG;
#else
endian = WMC_BO_LITTLE;
#endif
}
else if(isisochar(BYTESWAP_WORD(inputbuffer[0])) &&
isisochar(BYTESWAP_WORD(inputbuffer[1])) &&
isisochar(BYTESWAP_WORD(inputbuffer[2])) &&
isisochar(BYTESWAP_WORD(inputbuffer[3])))
{
#ifdef WORDS_BIGENDIAN
endian = WMC_BO_LITTLE;
#else
endian = WMC_BO_BIG;
#endif
}
else
xyyerror("Fatal: cannot determine file's byteorder");
/* FIXME:
* Determine the file-endian with the leader-bytes
* "FF FE..."; can't remember the exact sequence.
*/
n /= 2;
#ifdef WORDS_BIGENDIAN
if(endian == WMC_BO_LITTLE)
#else
if(endian == WMC_BO_BIG)
#endif
{
inputbuffer[0] = BYTESWAP_WORD(inputbuffer[0]);
inputbuffer[1] = BYTESWAP_WORD(inputbuffer[1]);
inputbuffer[2] = BYTESWAP_WORD(inputbuffer[2]);
inputbuffer[3] = BYTESWAP_WORD(inputbuffer[3]);
}
}
else
{
int i;
n = 0;
for(i = 0; i < INPUTBUFFER_SIZE; i++)
{
int t;
t = fread(&inputbuffer[i], 2, 1, yyin);
if(!t && ferror(yyin))
xyyerror(err_fatalread);
else if(!t && n)
break;
n++;
#ifdef WORDS_BIGENDIAN
if(endian == WMC_BO_LITTLE)
#else
if(endian == WMC_BO_BIG)
#endif
{
if((inputbuffer[i] = BYTESWAP_WORD(inputbuffer[i])) == '\n')
break;
}
else
{
if(inputbuffer[i] == '\n')
break;
}
}
}
}
if(!n)
{
yywarning("Re-read line (input was or converted to zilch)");
goto try_again; /* Should not happen, but could be due to stdin reading and a signal */
}
ninputbuffer += n;
return 1;
}
static int get_unichar(void)
{
static WCHAR *b = NULL;
char_number++;
if(nungetstack)
return ungetstack[--nungetstack];
if(!ninputbuffer)
{
if(!fill_inputbuffer())
return EOF;
b = inputbuffer;
}
ninputbuffer--;
return (int)(*b++ & 0xffff);
}
static void unget_unichar(int ch)
{
if(ch == EOF)
return;
char_number--;
if(nungetstack == allocungetstack)
{
allocungetstack += 32;
ungetstack = xrealloc(ungetstack, allocungetstack * sizeof(*ungetstack));
}
ungetstack[nungetstack++] = (WCHAR)ch;
}
/*
* Normal character stack.
* Used for number scanning.
*/
static int ncharstack = 0;
static int alloccharstack = 0;
static char *charstack = NULL;
static void empty_char_stack(void)
{
ncharstack = 0;
}
static void push_char(int ch)
{
if(ncharstack == alloccharstack)
{
alloccharstack += 32;
charstack = xrealloc(charstack, alloccharstack * sizeof(*charstack));
}
charstack[ncharstack++] = (char)ch;
}
static int tos_char_stack(void)
{
if(!ncharstack)
return 0;
else
return (int)(charstack[ncharstack-1] & 0xff);
}
static char *get_char_stack(void)
{
return charstack;
}
/*
* Unicode character stack.
* Used for general scanner.
*/
static int nunicharstack = 0;
static int allocunicharstack = 0;
static WCHAR *unicharstack = NULL;
static void empty_unichar_stack(void)
{
nunicharstack = 0;
}
static void push_unichar(int ch)
{
if(nunicharstack == allocunicharstack)
{
allocunicharstack += 128;
unicharstack = xrealloc(unicharstack, allocunicharstack * sizeof(*unicharstack));
}
unicharstack[nunicharstack++] = (WCHAR)ch;
}
#if 0
static int tos_unichar_stack(void)
{
if(!nunicharstack)
return 0;
else
return (int)(unicharstack[nunicharstack-1] & 0xffff);
}
#endif
static WCHAR *get_unichar_stack(void)
{
return unicharstack;
}
/*
* Number scanner
*
* state | ch | next state
* ------+-----------------+--------------------------
* 0 | [0] | 1
* 0 | [1-9] | 4
* 0 | . | error (should never occur)
* 1 | [xX] | 2
* 1 | [0-7] | 3
* 1 | [89a-wyzA-WYZ_] | error invalid digit
* 1 | . | return 0
* 2 | [0-9a-fA-F] | 2
* 2 | [g-zG-Z_] | error invalid hex digit
* 2 | . | return (hex-number) if TOS != [xX] else error
* 3 | [0-7] | 3
* 3 | [89a-zA-Z_] | error invalid octal digit
* 3 | . | return (octal-number)
* 4 | [0-9] | 4
* 4 | [a-zA-Z_] | error invalid decimal digit
* 4 | . | return (decimal-number)
*
* All non-identifier characters [^a-zA-Z_0-9] terminate the scan
* and return the value. This is not entirely correct, but close
* enough (should check punctuators as trailing context, but the
* char_table is not adapted to that and it is questionable whether
* it is worth the trouble).
* All non-iso-8859-1 characters are an error.
*/
static int scan_number(int ch)
{
int state = 0;
int base = 10;
empty_char_stack();
while(1)
{
if(!isisochar(ch))
xyyerror("Invalid digit");
switch(state)
{
case 0:
if(isdigit(ch))
{
push_char(ch);
if(ch == '0')
state = 1;
else
state = 4;
}
else
internal_error(__FILE__, __LINE__, "Non-digit in first number-scanner state");
break;
case 1:
if(ch == 'x' || ch == 'X')
{
push_char(ch);
state = 2;
}
else if(ch >= '0' && ch <= '7')
{
push_char(ch);
state = 3;
}
else if(isalpha(ch) || ch == '_')
xyyerror("Invalid number digit");
else
{
unget_unichar(ch);
yylval.num = 0;
return tNUMBER;
}
break;
case 2:
if(isxdigit(ch))
push_char(ch);
else if(isalpha(ch) || ch == '_' || !isxdigit(tos_char_stack()))
xyyerror("Invalid hex digit");
else
{
base = 16;
goto finish;
}
break;
case 3:
if(ch >= '0' && ch <= '7')
push_char(ch);
else if(isalnum(ch) || ch == '_')
xyyerror("Invalid octal digit");
else
{
base = 8;
goto finish;
}
break;
case 4:
if(isdigit(ch))
push_char(ch);
else if(isalnum(ch) || ch == '_')
xyyerror("Invalid decimal digit");
else
{
base = 10;
goto finish;
}
break;
default:
internal_error(__FILE__, __LINE__, "Invalid state in number-scanner");
}
ch = get_unichar();
}
finish:
unget_unichar(ch);
push_char(0);
yylval.num = strtoul(get_char_stack(), NULL, base);
return tNUMBER;
}
static void newline(void)
{
line_number++;
char_number = 1;
}
static int unisort(const void *p1, const void *p2)
{
return unistricmp(((const token_t *)p1)->name, ((const token_t *)p2)->name);
}
static token_t *tokentable = NULL;
static int ntokentable = 0;
token_t *lookup_token(const WCHAR *s)
{
token_t tok;
tok.name = s;
return (token_t *)bsearch(&tok, tokentable, ntokentable, sizeof(*tokentable), unisort);
}
void add_token(tok_e type, const WCHAR *name, int tok, int cp, const WCHAR *alias, int fix)
{
ntokentable++;
tokentable = xrealloc(tokentable, ntokentable * sizeof(*tokentable));
tokentable[ntokentable-1].type = type;
tokentable[ntokentable-1].name = name;
tokentable[ntokentable-1].token = tok;
tokentable[ntokentable-1].codepage = cp;
tokentable[ntokentable-1].alias = alias;
tokentable[ntokentable-1].fixed = fix;
qsort(tokentable, ntokentable, sizeof(*tokentable), unisort);
}
void get_tokentable(token_t **tab, int *len)
{
assert(tab != NULL);
assert(len != NULL);
*tab = tokentable;
*len = ntokentable;
}
/*
* The scanner
*
*/
int yylex(void)
{
static const WCHAR ustr_dot1[] = { '.', '\n', 0 };
static const WCHAR ustr_dot2[] = { '.', '\r', '\n', 0 };
static int isinit = 0;
int ch;
if(!isinit)
{
isinit++;
set_codepage(WMC_DEFAULT_CODEPAGE);
add_token(tok_keyword, ustr_codepages, tCODEPAGE, 0, NULL, 0);
add_token(tok_keyword, ustr_facility, tFACILITY, 0, NULL, 1);
add_token(tok_keyword, ustr_facilitynames, tFACNAMES, 0, NULL, 1);
add_token(tok_keyword, ustr_language, tLANGUAGE, 0, NULL, 1);
add_token(tok_keyword, ustr_languagenames, tLANNAMES, 0, NULL, 1);
add_token(tok_keyword, ustr_messageid, tMSGID, 0, NULL, 1);
add_token(tok_keyword, ustr_messageidtypedef, tTYPEDEF, 0, NULL, 1);
add_token(tok_keyword, ustr_outputbase, tBASE, 0, NULL, 1);
add_token(tok_keyword, ustr_severity, tSEVERITY, 0, NULL, 1);
add_token(tok_keyword, ustr_severitynames, tSEVNAMES, 0, NULL, 1);
add_token(tok_keyword, ustr_symbolicname, tSYMNAME, 0, NULL, 1);
add_token(tok_severity, ustr_error, 0x03, 0, NULL, 0);
add_token(tok_severity, ustr_warning, 0x02, 0, NULL, 0);
add_token(tok_severity, ustr_informational, 0x01, 0, NULL, 0);
add_token(tok_severity, ustr_success, 0x00, 0, NULL, 0);
add_token(tok_facility, ustr_application, 0xFFF, 0, NULL, 0);
add_token(tok_facility, ustr_system, 0x0FF, 0, NULL, 0);
add_token(tok_language, ustr_english, 0x409, 437, ustr_msg00001, 0);
}
empty_unichar_stack();
while(1)
{
if(want_line)
{
while((ch = get_unichar()) != '\n')
{
if(ch == EOF)
xyyerror("Unexpected EOF");
push_unichar(ch);
}
newline();
push_unichar(ch);
push_unichar(0);
if(!unistrcmp(ustr_dot1, get_unichar_stack()) || !unistrcmp(ustr_dot2, get_unichar_stack()))
{
want_line = 0;
/* Reset the codepage to our default after each message */
set_codepage(WMC_DEFAULT_CODEPAGE);
return tMSGEND;
}
yylval.str = xunistrdup(get_unichar_stack());
return tLINE;
}
ch = get_unichar();
if(ch == EOF)
return EOF;
if(ch == '\n')
{
newline();
if(want_nl)
{
want_nl = 0;
return tNL;
}
continue;
}
if(isisochar(ch))
{
if(want_file)
{
int n = 0;
while(n < 8 && isisochar(ch))
{
int t = char_table[ch];
if((t & CH_PUNCT) || !(t & CH_SHORTNAME))
break;
push_unichar(ch);
n++;
ch = get_unichar();
}
unget_unichar(ch);
push_unichar(0);
want_file = 0;
yylval.str = xunistrdup(get_unichar_stack());
return tFILE;
}
if(char_table[ch] & CH_IDENT)
{
token_t *tok;
while(isisochar(ch) && (char_table[ch] & (CH_IDENT|CH_NUMBER)))
{
push_unichar(ch);
ch = get_unichar();
}
unget_unichar(ch);
push_unichar(0);
if(!(tok = lookup_token(get_unichar_stack())))
{
yylval.str = xunistrdup(get_unichar_stack());
return tIDENT;
}
switch(tok->type)
{
case tok_keyword:
return tok->token;
case tok_language:
codepage = tok->codepage;
/* Fall through */
case tok_severity:
case tok_facility:
yylval.tok = tok;
return tTOKEN;
default:
internal_error(__FILE__, __LINE__, "Invalid token type encountered");
}
}
if(isspace(ch)) /* Ignore space */
continue;
if(isdigit(ch))
return scan_number(ch);
}
switch(ch)
{
case ':':
case '=':
case '+':
case '(':
case ')':
return ch;
case ';':
while(ch != '\n' && ch != EOF)
{
push_unichar(ch);
ch = get_unichar();
}
newline();
push_unichar(ch); /* Include the newline */
push_unichar(0);
yylval.str = xunistrdup(get_unichar_stack());
return tCOMMENT;
default:
xyyerror("Invalid character '%c' (0x%04x)", isisochar(ch) && isprint(ch) ? ch : '.', ch);
}
}
}