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Commit cec68fcb authored by Francesco Potortì's avatar Francesco Potortì
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* etags.c: (Cplusplus_suffixes): .pdb is Postscript with C syntax. 

	(Postscript_suffixes): .ps is Postscript.
	(lang_names): Add Postscript.
	(Postscript_functions): New function.
	(TEX_decode_env): Close minor memory leak.
	(just_read_file): Correct the char number of the tag.
parent 567b103c
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Showing with 207 additions and 95 deletions
lib-src/etags.c
View file @ cec68fcb
......@@ -31,7 +31,7 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
* Francesco Potorti` (F.Potorti@cnuce.cnr.it) is the current maintainer.
*/
char pot_etags_version[] = "@(#) pot revision number is 11.85";
char pot_etags_version[] = "@(#) pot revision number is 11.90";
#define TRUE 1
#define FALSE 0
......@@ -58,11 +58,6 @@ char pot_etags_version[] = "@(#) pot revision number is 11.85";
# define MAXPATHLEN _MAX_PATH
#endif
#if !defined (MSDOS) && !defined (WINDOWSNT) && defined (STDC_HEADERS)
#include <stdlib.h>
#include <string.h>
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
/* On some systems, Emacs defines static as nothing for the sake
......@@ -70,6 +65,11 @@ char pot_etags_version[] = "@(#) pot revision number is 11.85";
# undef static
#endif
#if !defined (MSDOS) && !defined (WINDOWSNT) && defined (STDC_HEADERS)
#include <stdlib.h>
#include <string.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
......@@ -111,6 +111,7 @@ extern int errno;
/* C extensions. */
#define C_PLPL 0x00001 /* C++ */
#define C_STAR 0x00003 /* C* */
#define C_JAVA 0x00005 /* JAVA */
#define YACC 0x10000 /* yacc file */
#define streq(s,t) ((DEBUG && (s) == NULL && (t) == NULL \
......@@ -176,6 +177,7 @@ Lang_function Asm_labels;
Lang_function default_C_entries;
Lang_function C_entries;
Lang_function Cplusplus_entries;
Lang_function Cjava_entries;
Lang_function Cstar_entries;
Lang_function Erlang_functions;
Lang_function Fortran_functions;
......@@ -183,6 +185,7 @@ Lang_function Yacc_entries;
Lang_function Lisp_functions;
Lang_function Pascal_functions;
Lang_function Perl_functions;
Lang_function Postscript_functions;
Lang_function Prolog_functions;
Lang_function Scheme_functions;
Lang_function TeX_functions;
......@@ -192,6 +195,7 @@ void Asm_labels ();
void C_entries ();
void default_C_entries ();
void plain_C_entries ();
void Cjava_entries ();
void Cplusplus_entries ();
void Cstar_entries ();
void Erlang_functions ();
......@@ -200,6 +204,7 @@ void Yacc_entries ();
void Lisp_functions ();
void Pascal_functions ();
void Perl_functions ();
void Postscript_functions ();
void Prolog_functions ();
void Scheme_functions ();
void TeX_functions ();
......@@ -213,6 +218,7 @@ int total_size_of_entries ();
long readline ();
long readline_internal ();
#ifdef ETAGS_REGEXPS
void analyse_regex ();
void add_regex ();
#endif
void add_node ();
......@@ -361,9 +367,14 @@ char *Asm_suffixes [] = { "a", /* Unix assembler */
char *default_C_suffixes [] =
{ "c", "h", NULL };
/* .M is for Objective C++ files. */
char *Cplusplus_suffixes [] =
{ "C", "H", "c++", "cc", "cpp", "cxx", "h++", "hh", "hpp", "hxx", "M", NULL};
{ "C", "H", "c++", "cc", "cpp", "cxx", "h++", "hh", "hpp", "hxx",
"M", /* Objective C++ */
"pdb", /* Postscript with C syntax */
NULL };
char *Cjava_suffixes [] =
{ "java", NULL };
char *Cstar_suffixes [] =
{ "cs", "hs", NULL };
......@@ -391,6 +402,9 @@ char *plain_C_suffixes [] =
"lm", /* Objective lex file */
NULL };
char *Postscript_suffixes [] =
{ "ps", NULL };
char *Prolog_suffixes [] =
{ "prolog", NULL };
......@@ -418,20 +432,22 @@ struct lang_entry
struct lang_entry lang_names [] =
{
{ "asm", Asm_labels, Asm_suffixes, NULL },
{ "c", default_C_entries, default_C_suffixes, NULL },
{ "c++", Cplusplus_entries, Cplusplus_suffixes, NULL },
{ "c*", Cstar_entries, Cstar_suffixes, NULL },
{ "erlang", Erlang_functions, Erlang_suffixes, NULL },
{ "fortran", Fortran_functions, Fortran_suffixes, NULL },
{ "lisp", Lisp_functions, Lisp_suffixes, NULL },
{ "pascal", Pascal_functions, Pascal_suffixes, NULL },
{ "perl", Perl_functions, Perl_suffixes, Perl_interpreters },
{ "proc", plain_C_entries, plain_C_suffixes, NULL },
{ "prolog", Prolog_functions, Prolog_suffixes, NULL },
{ "scheme", Scheme_functions, Scheme_suffixes, NULL },
{ "tex", TeX_functions, TeX_suffixes, NULL },
{ "yacc", Yacc_entries, Yacc_suffixes, NULL },
{ "asm", Asm_labels, Asm_suffixes, NULL },
{ "c", default_C_entries, default_C_suffixes, NULL },
{ "c++", Cplusplus_entries, Cplusplus_suffixes, NULL },
{ "c*", Cstar_entries, Cstar_suffixes, NULL },
{ "erlang", Erlang_functions, Erlang_suffixes, NULL },
{ "fortran", Fortran_functions, Fortran_suffixes, NULL },
/*{ "java", Cjava_entries, Cjava_suffixes, NULL },*/
{ "lisp", Lisp_functions, Lisp_suffixes, NULL },
{ "pascal", Pascal_functions, Pascal_suffixes, NULL },
{ "perl", Perl_functions, Perl_suffixes, Perl_interpreters },
{ "postscript", Postscript_functions, Postscript_suffixes, NULL },
{ "proc", plain_C_entries, plain_C_suffixes, NULL },
{ "prolog", Prolog_functions, Prolog_suffixes, NULL },
{ "scheme", Scheme_functions, Scheme_suffixes, NULL },
{ "tex", TeX_functions, TeX_suffixes, NULL },
{ "yacc", Yacc_entries, Yacc_suffixes, NULL },
{ "auto", NULL }, /* default guessing scheme */
{ "none", just_read_file }, /* regexp matching only */
{ NULL, NULL } /* end of list */
......@@ -517,9 +533,10 @@ are. Relative ones are stored relative to the output file's directory.");
}
#ifdef ETAGS_REGEXPS
puts ("-r /REGEXP/, --regex=/REGEXP/\n\
puts ("-r /REGEXP/, --regex=/REGEXP/ or --regex=@regexfile\n\
Make a tag for each line matching pattern REGEXP in the\n\
following files. REGEXP is anchored (as if preceded by ^).\n\
following files. regexfile is a file containing one REGEXP\n\
per line. REGEXP is anchored (as if preceded by ^).\n\
The form /REGEXP/NAME/ creates a named tag. For example Tcl\n\
named tags can be created with:\n\
--regex=/proc[ \\t]+\\([^ \\t]+\\)/\\1/.");
......@@ -883,7 +900,11 @@ main (argc, argv)
tagfile = CTAGS ? "tags" : "TAGS";
cwd = etags_getcwd (); /* the current working directory */
if (cwd[strlen (cwd) - 1] != '/')
cwd = concat (cwd, "/", "");
{
char *oldcwd = cwd;
cwd = concat (oldcwd, "/", "");
free (oldcwd);
}
if (streq (tagfile, "-"))
tagfiledir = cwd;
else
......@@ -927,7 +948,7 @@ main (argc, argv)
break;
#ifdef ETAGS_REGEXPS
case at_regexp:
add_regex (argbuffer[i].what);
analyse_regex (argbuffer[i].what);
break;
#endif
case at_filename:
......@@ -1517,7 +1538,8 @@ total_size_of_entries (node)
enum sym_type
{
st_none, st_C_objprot, st_C_objimpl, st_C_objend, st_C_gnumacro,
st_C_struct, st_C_enum, st_C_define, st_C_typedef, st_C_typespec
st_C_struct, st_C_enum, st_C_define, st_C_typedef, st_C_typespec,
st_C_jstruct
};
/* Feed stuff between (but not including) %[ and %] lines to:
......@@ -1529,6 +1551,8 @@ struct C_stab_entry { char *name; int c_ext; enum sym_type type; }
@protocol, 0, st_C_objprot
@implementation,0, st_C_objimpl
@end, 0, st_C_objend
extends, C_JAVA, st_C_jstruct
implements, C_JAVA, st_C_jstruct
class, C_PLPL, st_C_struct
namespace, C_PLPL, st_C_struct
domain, C_STAR, st_C_struct
......@@ -1575,33 +1599,33 @@ struct C_stab_entry { char *name; int c_ext; enum sym_type type; };
#define MIN_WORD_LENGTH 3
#define MAX_WORD_LENGTH 15
#define MIN_HASH_VALUE 34
#define MAX_HASH_VALUE 121
#define MIN_HASH_VALUE 33
#define MAX_HASH_VALUE 126
/*
34 keywords
88 is the maximum key range
36 keywords
94 is the maximum key range
*/
static int
int
hash (str, len)
register char *str;
register unsigned int len;
{
static unsigned char hash_table[] =
{
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 121, 121, 121,
121, 121, 121, 121, 45, 121, 121, 121, 16, 19,
61, 121, 121, 121, 121, 121, 121, 121, 121, 121,
10, 121, 121, 20, 53, 121, 121, 121, 121, 121,
121, 121, 121, 121, 121, 121, 121, 41, 45, 22,
60, 47, 37, 28, 121, 55, 121, 121, 20, 14,
29, 30, 5, 121, 50, 59, 30, 54, 6, 121,
121, 121, 121, 121, 121, 121, 121, 121,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 126, 126, 126, 15, 126, 126, 126, 53, 24,
41, 126, 126, 126, 126, 126, 126, 126, 126, 126,
51, 126, 126, 26, 47, 126, 126, 126, 126, 126,
126, 126, 126, 126, 126, 126, 126, 11, 36, 26,
35, 13, 22, 39, 126, 34, 126, 126, 43, 21,
36, 6, 49, 126, 47, 61, 28, 57, 35, 126,
126, 126, 126, 126, 126, 126, 126, 126,
};
return len + hash_table[str[2]] + hash_table[str[0]];
}
......@@ -1617,56 +1641,61 @@ in_word_set (str, len)
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"volatile", 0, st_C_typespec},
{"PSEUDO", 0, st_C_gnumacro},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"typedef", 0, st_C_typedef},
{"typename", C_PLPL, st_C_typespec},
{"",}, {"",}, {"",},
{"SYSCALL", 0, st_C_gnumacro},
{"float", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"char", 0, st_C_typespec},
{"class", C_PLPL, st_C_struct},
{"auto", 0, st_C_typespec},
{"",}, {"",},
{"bool", C_PLPL, st_C_typespec},
{"extern", 0, st_C_typespec},
{"extends", C_JAVA, st_C_jstruct},
{"",}, {"",},
{"@implementation", 0, st_C_objimpl},
{"",}, {"",}, {"",},
{"@end", 0, st_C_objend},
{"mutable", C_PLPL, st_C_typespec},
{"namespace", C_PLPL, st_C_struct},
{"long", 0, st_C_typespec},
{"",}, {"",},
{"SYSCALL", 0, st_C_gnumacro},
{"",},
{"@interface", 0, st_C_objprot},
{"domain", C_STAR, st_C_struct},
{"define", 0, st_C_define},
{"",},
{"int", 0, st_C_typespec},
{"namespace", C_PLPL, st_C_struct},
{"const", 0, st_C_typespec},
{"",}, {"",}, {"",},
{"",}, {"",},
{"explicit", C_PLPL, st_C_typespec},
{"",}, {"",}, {"",}, {"",},
{"@protocol", 0, st_C_objprot},
{"short", 0, st_C_typespec},
{"void", 0, st_C_typespec},
{"enum", 0, st_C_enum},
{"",},
{"char", 0, st_C_typespec},
{"class", C_PLPL, st_C_struct},
{"",}, {"",}, {"",},
{"float", 0, st_C_typespec},
{"ENTRY", 0, st_C_gnumacro},
{"",},
{"@implementation", 0, st_C_objimpl},
{"auto", 0, st_C_typespec},
{"static", 0, st_C_typespec},
{"",}, {"",},
{"PSEUDO", 0, st_C_gnumacro},
{"",},
{"ENTRY", 0, st_C_gnumacro},
{"@end", 0, st_C_objend},
{"bool", C_PLPL, st_C_typespec},
{"domain", C_STAR, st_C_struct},
{"long", 0, st_C_typespec},
{"typedef", 0, st_C_typedef},
{"typename", C_PLPL, st_C_typespec},
{"volatile", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"implements", C_JAVA, st_C_jstruct},
{"",}, {"",},
{"union", 0, st_C_struct},
{"",},
{"double", 0, st_C_typespec},
{"DEFUN", 0, st_C_gnumacro},
{"extern", 0, st_C_typespec},
{"@interface", 0, st_C_objprot},
{"",}, {"",}, {"",},
{"int", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"signed", 0, st_C_typespec},
{"short", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"define", 0, st_C_define},
{"@protocol", 0, st_C_objprot},
{"enum", 0, st_C_enum},
{"static", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"union", 0, st_C_struct},
{"struct", 0, st_C_struct},
{"",}, {"",}, {"",}, {"",},
{"double", 0, st_C_typespec},
{"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
{"",}, {"",},
{"unsigned", 0, st_C_typespec},
};
......@@ -1921,6 +1950,11 @@ consider_token (str, len, c, c_ext, cblev, parlev, is_func)
*/
switch (toktype)
{
case st_C_jstruct:
if (structdef == stagseen)
structdef = scolonseen;
return FALSE;
break;
case st_C_struct:
case st_C_enum:
if (typdef == ttypedseen
......@@ -2155,7 +2189,7 @@ C_entries (c_ext, inf)
int cblev; /* current curly brace level */
int parlev; /* current parenthesis level */
logical incomm, inquote, inchar, quotednl, midtoken;
logical cplpl;
logical cplpl, cjava;
TOKEN savetok; /* token saved during preprocessor handling */
......@@ -2173,6 +2207,7 @@ C_entries (c_ext, inf)
cblev = 0;
parlev = 0;
cplpl = c_ext & C_PLPL;
cjava = c_ext & C_JAVA;
while (!feof (inf))
{
......@@ -2429,7 +2464,7 @@ C_entries (c_ext, inf)
funcdef = fnone;
break;
}
if (structdef == stagseen)
if (structdef == stagseen && !cjava)
structdef = snone;
break;
case dsharpseen:
......@@ -2732,6 +2767,13 @@ Cplusplus_entries (inf)
C_entries (C_PLPL, inf);
}
/* Always do Java. */
void
Cjava_entries (FILE *inf)
{
C_entries (C_JAVA, inf);
}
/* Always do C*. */
void
Cstar_entries (inf)
......@@ -3257,6 +3299,36 @@ Lisp_functions (inf)
}
}
}
/*
* Postscript tag functions
* Just look for lines where the first character is '/'
*/
void
Postscript_functions (inf)
FILE *inf;
{
lineno = 0;
charno = 0;
while (!feof (inf))
{
lineno++;
linecharno = charno;
charno += readline (&lb, inf);
dbp = lb.buffer;
if (dbp[0] == '/')
{
register char *cp;
for (cp = dbp+1;
*cp != '\0' && *cp != ' ' && *cp != '{';
cp++)
continue;
pfnote ((CTAGS) ? savenstr (dbp, cp-dbp) : NULL, TRUE,
lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
}
}
}
/*
* Scheme tag functions
......@@ -3381,7 +3453,7 @@ TeX_functions (inf)
charno += readline (&lb, inf);
dbp = lb.buffer;
lasthit = dbp;
while (dbp = etags_strchr (dbp, TEX_esc)) /* Look at each esc in line */
while (dbp = etags_strchr (dbp, TEX_esc)) /* Look at each esc in line */
{
register int i;
......@@ -3456,7 +3528,11 @@ TEX_decode_env (evarname, defenv)
if (!env)
env = defenv;
else
env = concat (env, defenv, "");
{
char *oldenv = env;
env = concat (oldenv, defenv, "");
free (oldenv);
}
/* Allocate a token table */
for (size = 1, p = env; p;)
......@@ -3976,29 +4052,64 @@ scan_separators (name)
return name;
}
/* Turn a name, which is an ed-style (but Emacs syntax) regular
expression, into a real regular expression by compiling it. */
/* Look at the argument of --regex or --no-regex and do the right
thing. */
void
add_regex (regexp_pattern)
char *regexp_pattern;
analyse_regex (regex_arg)
char *regex_arg;
{
char *name;
const char *err;
struct re_pattern_buffer *patbuf;
struct stat stat_buf;
if (regexp_pattern == NULL)
if (regex_arg == NULL)
{
/* Remove existing regexps. */
num_patterns = 0;
patterns = NULL;
return;
}
if (regexp_pattern[0] == '\0')
if (regex_arg[0] == '\0')
{
error ("missing regexp", (char *)NULL);
return;
}
if (regex_arg[0] == '@'
&& stat (regex_arg + 1, &stat_buf) == 0
&& S_ISREG (stat_buf.st_mode))
{
FILE *regexfp;
struct linebuffer regexbuf;
char *regexfile = regex_arg + 1;
/* regexfile is a file containing regexps, one per line. */
regexfp = fopen (regexfile, "r");
if (regexfp == NULL)
{
perror (regexfile);
return;
}
initbuffer (&regexbuf);
while (readline_internal (&regexbuf, regexfp))
add_regex (regexbuf.buffer);
free (regexbuf.buffer);
fclose (regexfp);
}
else
{
add_regex (regex_arg);
}
}
/* Turn a name, which is an ed-style (but Emacs syntax) regular
expression, into a real regular expression by compiling it. */
void
add_regex (regexp_pattern)
char *regexp_pattern;
{
char *name;
const char *err;
struct re_pattern_buffer *patbuf;
if (regexp_pattern[strlen(regexp_pattern)-1] != regexp_pattern[0])
{
error ("%s: unterminated regexp", regexp_pattern);
......@@ -4238,7 +4349,7 @@ just_read_file (inf)
{
++lineno;
linecharno = charno;
charno += readline (&lb, inf) + 1;
charno += readline (&lb, inf);
}
}
......@@ -4377,6 +4488,7 @@ etags_getcwd ()
if (errno != ERANGE)
pfatal ("getcwd");
bufsize *= 2;
free (path);
path = xnew (bufsize, char);
}
......
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