| /* Code for handling XREF output from GNU C++. |
| Copyright (C) 1992, 93-97, 1998 Free Software Foundation, Inc. |
| Contributed by Michael Tiemann (tiemann@cygnus.com) |
| |
| This file is part of GNU CC. |
| |
| GNU CC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU CC 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| |
| #include "config.h" |
| #include "system.h" |
| #include "tree.h" |
| #include "cp-tree.h" |
| #include "input.h" |
| #include "toplev.h" |
| |
| extern char *getpwd PROTO((void)); |
| |
| /* The character(s) used to join a directory specification (obtained with |
| getwd or equivalent) with a non-absolute file name. */ |
| |
| #ifndef FILE_NAME_JOINER |
| #define FILE_NAME_JOINER "/" |
| #endif |
| |
| /* Nonzero if NAME as a file name is absolute. */ |
| #ifndef FILE_NAME_ABSOLUTE_P |
| #define FILE_NAME_ABSOLUTE_P(NAME) (NAME[0] == '/') |
| #endif |
| |
| /* For cross referencing. */ |
| |
| int flag_gnu_xref; |
| |
| /************************************************************************/ |
| /* */ |
| /* Common definitions */ |
| /* */ |
| /************************************************************************/ |
| |
| #ifndef TRUE |
| #define TRUE 1 |
| #endif |
| #ifndef FALSE |
| #define FALSE 0 |
| #endif |
| |
| #define PALLOC(typ) ((typ *) calloc(1,sizeof(typ))) |
| |
| |
| /* Return a malloc'd copy of STR. */ |
| #define SALLOC(str) \ |
| ((char *) ((str) == NULL ? NULL \ |
| : (char *) strcpy ((char *) malloc (strlen ((str)) + 1), (str)))) |
| #define SFREE(str) (str != NULL && (free(str),0)) |
| |
| #define STREQL(s1,s2) (strcmp((s1),(s2)) == 0) |
| #define STRNEQ(s1,s2) (strcmp((s1),(s2)) != 0) |
| #define STRLSS(s1,s2) (strcmp((s1),(s2)) < 0) |
| #define STRLEQ(s1,s2) (strcmp((s1),(s2)) <= 0) |
| #define STRGTR(s1,s2) (strcmp((s1),(s2)) > 0) |
| #define STRGEQ(s1,s2) (strcmp((s1),(s2)) >= 0) |
| |
| /************************************************************************/ |
| /* */ |
| /* Type definitions */ |
| /* */ |
| /************************************************************************/ |
| |
| |
| typedef struct _XREF_FILE * XREF_FILE; |
| typedef struct _XREF_SCOPE * XREF_SCOPE; |
| |
| typedef struct _XREF_FILE |
| { |
| char *name; |
| char *outname; |
| XREF_FILE next; |
| } XREF_FILE_INFO; |
| |
| typedef struct _XREF_SCOPE |
| { |
| int gid; |
| int lid; |
| XREF_FILE file; |
| int start; |
| XREF_SCOPE outer; |
| } XREF_SCOPE_INFO; |
| |
| /************************************************************************/ |
| /* */ |
| /* Local storage */ |
| /* */ |
| /************************************************************************/ |
| |
| static char doing_xref = 0; |
| static FILE * xref_file = NULL; |
| static char xref_name[1024]; |
| static XREF_FILE all_files = NULL; |
| static char * wd_name = NULL; |
| static XREF_SCOPE cur_scope = NULL; |
| static int scope_ctr = 0; |
| static XREF_FILE last_file = NULL; |
| static tree last_fndecl = NULL; |
| |
| /************************************************************************/ |
| /* */ |
| /* Forward definitions */ |
| /* */ |
| /************************************************************************/ |
| static void gen_assign PROTO((XREF_FILE, tree)); |
| static XREF_FILE find_file PROTO((char *)); |
| static char * filename PROTO((XREF_FILE)); |
| static char * fctname PROTO((tree)); |
| static char * declname PROTO((tree)); |
| static void simplify_type PROTO((char *)); |
| static char * fixname PROTO((char *, char *)); |
| static void open_xref_file PROTO((char *)); |
| |
| /* Start cross referencing. FILE is the name of the file we xref. */ |
| |
| void |
| GNU_xref_begin (file) |
| char *file; |
| { |
| doing_xref = 1; |
| |
| if (file != NULL && STRNEQ (file,"-")) |
| { |
| open_xref_file(file); |
| GNU_xref_file(file); |
| } |
| } |
| |
| /* Finish cross-referencing. ERRCNT is the number of errors |
| we encountered. */ |
| |
| void |
| GNU_xref_end (ect) |
| int ect; |
| { |
| XREF_FILE xf; |
| |
| if (!doing_xref) return; |
| |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| |
| while (cur_scope != NULL) |
| GNU_xref_end_scope(cur_scope->gid,0,0,0); |
| |
| doing_xref = 0; |
| |
| if (xref_file == NULL) return; |
| |
| fclose (xref_file); |
| |
| xref_file = NULL; |
| all_files = NULL; |
| |
| if (ect > 0) unlink (xref_name); |
| } |
| |
| /* Write out xref for file named NAME. */ |
| |
| void |
| GNU_xref_file (name) |
| char *name; |
| { |
| XREF_FILE xf; |
| |
| if (!doing_xref || name == NULL) return; |
| |
| if (xref_file == NULL) |
| { |
| open_xref_file (name); |
| if (!doing_xref) return; |
| } |
| |
| if (all_files == NULL) |
| fprintf(xref_file,"SCP * 0 0 0 0 RESET\n"); |
| |
| xf = find_file (name); |
| if (xf != NULL) return; |
| |
| xf = PALLOC (XREF_FILE_INFO); |
| xf->name = SALLOC (name); |
| xf->next = all_files; |
| all_files = xf; |
| |
| if (wd_name == NULL) |
| wd_name = getpwd (); |
| |
| if (FILE_NAME_ABSOLUTE_P (name) || ! wd_name) |
| xf->outname = xf->name; |
| else |
| { |
| char *nmbuf |
| = (char *) malloc (strlen (wd_name) + strlen (FILE_NAME_JOINER) |
| + strlen (name) + 1); |
| sprintf (nmbuf, "%s%s%s", wd_name, FILE_NAME_JOINER, name); |
| name = nmbuf; |
| xf->outname = nmbuf; |
| } |
| |
| fprintf (xref_file, "FIL %s %s 0\n", name, wd_name); |
| |
| filename (xf); |
| fctname (NULL); |
| } |
| |
| /* Start a scope identified at level ID. */ |
| |
| void |
| GNU_xref_start_scope (id) |
| HOST_WIDE_INT id; |
| { |
| XREF_SCOPE xs; |
| XREF_FILE xf; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| |
| xs = PALLOC (XREF_SCOPE_INFO); |
| xs->file = xf; |
| xs->start = lineno; |
| if (xs->start <= 0) xs->start = 1; |
| xs->gid = id; |
| xs->lid = ++scope_ctr; |
| xs->outer = cur_scope; |
| cur_scope = xs; |
| } |
| |
| /* Finish a scope at level ID. |
| INID is ??? |
| PRM is ??? |
| KEEP is nonzero iff this scope is retained (nonzero if it's |
| a compiler-generated invisible scope). |
| TRNS is ??? */ |
| |
| void |
| GNU_xref_end_scope (id,inid,prm,keep) |
| HOST_WIDE_INT id; |
| HOST_WIDE_INT inid; |
| int prm,keep; |
| { |
| XREF_FILE xf; |
| XREF_SCOPE xs,lxs,oxs; |
| char *stype; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| |
| lxs = NULL; |
| for (xs = cur_scope; xs != NULL; xs = xs->outer) |
| { |
| if (xs->gid == id) break; |
| lxs = xs; |
| } |
| if (xs == NULL) return; |
| |
| if (inid != 0) { |
| for (oxs = cur_scope; oxs != NULL; oxs = oxs->outer) { |
| if (oxs->gid == inid) break; |
| } |
| if (oxs == NULL) return; |
| inid = oxs->lid; |
| } |
| |
| if (prm == 2) stype = "SUE"; |
| else if (prm != 0) stype = "ARGS"; |
| else if (keep == 2 || inid != 0) stype = "INTERN"; |
| else stype = "EXTERN"; |
| |
| fprintf (xref_file, "SCP %s %d %d %d ", |
| filename (xf), xs->start, lineno,xs->lid); |
| fprintf (xref_file, HOST_WIDE_INT_PRINT_DEC, inid); |
| fprintf (xref_file, " %s\n", stype); |
| |
| if (lxs == NULL) cur_scope = xs->outer; |
| else lxs->outer = xs->outer; |
| |
| free (xs); |
| } |
| |
| /* Output a reference to NAME in FNDECL. */ |
| |
| void |
| GNU_xref_ref (fndecl,name) |
| tree fndecl; |
| char *name; |
| { |
| XREF_FILE xf; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| |
| fprintf (xref_file, "REF %s %d %s %s\n", |
| filename (xf), lineno, fctname (fndecl), name); |
| } |
| |
| /* Output a reference to DECL in FNDECL. */ |
| |
| void |
| GNU_xref_decl (fndecl,decl) |
| tree fndecl; |
| tree decl; |
| { |
| XREF_FILE xf,xf1; |
| char *cls = 0; |
| char *name; |
| char buf[10240]; |
| int uselin; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| |
| uselin = FALSE; |
| |
| if (TREE_CODE (decl) == TYPE_DECL) cls = "TYPEDEF"; |
| else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; |
| else if (TREE_CODE (decl) == VAR_DECL) |
| { |
| if (fndecl == NULL && TREE_STATIC(decl) |
| && TREE_READONLY(decl) && DECL_INITIAL(decl) != 0 |
| && !TREE_PUBLIC(decl) && !DECL_EXTERNAL(decl) |
| && DECL_MODE(decl) != BLKmode) cls = "CONST"; |
| else if (DECL_EXTERNAL(decl)) cls = "EXTERN"; |
| else if (TREE_PUBLIC(decl)) cls = "EXTDEF"; |
| else if (TREE_STATIC(decl)) cls = "STATIC"; |
| else if (DECL_REGISTER(decl)) cls = "REGISTER"; |
| else cls = "AUTO"; |
| } |
| else if (TREE_CODE (decl) == PARM_DECL) cls = "PARAM"; |
| else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; |
| else if (TREE_CODE (decl) == CONST_DECL) cls = "CONST"; |
| else if (TREE_CODE (decl) == FUNCTION_DECL) |
| { |
| if (DECL_EXTERNAL (decl)) cls = "EXTERN"; |
| else if (TREE_PUBLIC (decl)) cls = "EFUNCTION"; |
| else cls = "SFUNCTION"; |
| } |
| else if (TREE_CODE (decl) == LABEL_DECL) cls = "LABEL"; |
| else if (TREE_CODE (decl) == UNION_TYPE) |
| { |
| cls = "UNIONID"; |
| decl = TYPE_NAME (decl); |
| uselin = TRUE; |
| } |
| else if (TREE_CODE (decl) == RECORD_TYPE) |
| { |
| if (CLASSTYPE_DECLARED_CLASS (decl)) cls = "CLASSID"; |
| else if (IS_SIGNATURE (decl)) cls = "SIGNATUREID"; |
| else cls = "STRUCTID"; |
| decl = TYPE_NAME (decl); |
| uselin = TRUE; |
| } |
| else if (TREE_CODE (decl) == ENUMERAL_TYPE) |
| { |
| cls = "ENUMID"; |
| decl = TYPE_NAME (decl); |
| uselin = TRUE; |
| } |
| else if (TREE_CODE (decl) == TEMPLATE_DECL) |
| { |
| if (TREE_CODE (DECL_RESULT (decl)) == TYPE_DECL) |
| cls = "CLASSTEMP"; |
| else if (TREE_CODE (DECL_RESULT (decl)) == FUNCTION_DECL) |
| cls = "FUNCTEMP"; |
| else if (TREE_CODE (DECL_RESULT (decl)) == VAR_DECL) |
| cls = "VARTEMP"; |
| else |
| my_friendly_abort (358); |
| uselin = TRUE; |
| } |
| else cls = "UNKNOWN"; |
| |
| if (decl == NULL || DECL_NAME (decl) == NULL) return; |
| |
| if (uselin && decl->decl.linenum > 0 && decl->decl.filename != NULL) |
| { |
| xf1 = find_file (decl->decl.filename); |
| if (xf1 != NULL) |
| { |
| lineno = decl->decl.linenum; |
| xf = xf1; |
| } |
| } |
| |
| if (DECL_ASSEMBLER_NAME (decl)) |
| name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); |
| else |
| name = IDENTIFIER_POINTER (DECL_NAME (decl)); |
| |
| strcpy (buf, type_as_string (TREE_TYPE (decl), 0)); |
| simplify_type (buf); |
| |
| fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", |
| filename(xf), lineno, name, |
| (cur_scope != NULL ? cur_scope->lid : 0), |
| cls, fctname(fndecl), buf); |
| |
| if (STREQL (cls, "STRUCTID") || STREQL (cls, "UNIONID") |
| || STREQL (cls, "SIGNATUREID")) |
| { |
| cls = "CLASSID"; |
| fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", |
| filename(xf), lineno,name, |
| (cur_scope != NULL ? cur_scope->lid : 0), |
| cls, fctname(fndecl), buf); |
| } |
| } |
| |
| /* Output a reference to a call to NAME in FNDECL. */ |
| |
| void |
| GNU_xref_call (fndecl, name) |
| tree fndecl; |
| char *name; |
| { |
| XREF_FILE xf; |
| char buf[1024]; |
| char *s; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| name = fixname (name, buf); |
| |
| for (s = name; *s != 0; ++s) |
| if (*s == '_' && s[1] == '_') break; |
| if (*s != 0) GNU_xref_ref (fndecl, name); |
| |
| fprintf (xref_file, "CAL %s %d %s %s\n", |
| filename (xf), lineno, name, fctname (fndecl)); |
| } |
| |
| /* Output cross-reference info about FNDECL. If non-NULL, |
| ARGS are the arguments for the function (i.e., before the FUNCTION_DECL |
| has been fully built). */ |
| |
| void |
| GNU_xref_function (fndecl, args) |
| tree fndecl; |
| tree args; |
| { |
| XREF_FILE xf; |
| int ct; |
| char buf[1024]; |
| |
| if (!doing_xref) return; |
| xf = find_file (input_filename); |
| if (xf == NULL) return; |
| |
| ct = 0; |
| buf[0] = 0; |
| if (args == NULL) args = DECL_ARGUMENTS (fndecl); |
| |
| GNU_xref_decl (NULL, fndecl); |
| |
| for ( ; args != NULL; args = TREE_CHAIN (args)) |
| { |
| GNU_xref_decl (fndecl,args); |
| if (ct != 0) strcat (buf,","); |
| strcat (buf, declname (args)); |
| ++ct; |
| } |
| |
| fprintf (xref_file, "PRC %s %d %s %d %d %s\n", |
| filename(xf), lineno, declname(fndecl), |
| (cur_scope != NULL ? cur_scope->lid : 0), |
| ct, buf); |
| } |
| |
| /* Output cross-reference info about an assignment to NAME. */ |
| |
| void |
| GNU_xref_assign(name) |
| tree name; |
| { |
| XREF_FILE xf; |
| |
| if (!doing_xref) return; |
| xf = find_file(input_filename); |
| if (xf == NULL) return; |
| |
| gen_assign(xf, name); |
| } |
| |
| static void |
| gen_assign(xf, name) |
| XREF_FILE xf; |
| tree name; |
| { |
| char *s; |
| |
| s = NULL; |
| |
| switch (TREE_CODE (name)) |
| { |
| case IDENTIFIER_NODE : |
| s = IDENTIFIER_POINTER(name); |
| break; |
| case VAR_DECL : |
| s = declname(name); |
| break; |
| case COMPONENT_REF : |
| gen_assign(xf, TREE_OPERAND(name, 0)); |
| gen_assign(xf, TREE_OPERAND(name, 1)); |
| break; |
| case INDIRECT_REF : |
| case OFFSET_REF : |
| case ARRAY_REF : |
| case BUFFER_REF : |
| gen_assign(xf, TREE_OPERAND(name, 0)); |
| break; |
| case COMPOUND_EXPR : |
| gen_assign(xf, TREE_OPERAND(name, 1)); |
| break; |
| default : |
| break; |
| } |
| |
| if (s != NULL) |
| fprintf(xref_file, "ASG %s %d %s\n", filename(xf), lineno, s); |
| } |
| |
| static char* |
| classname (cls) |
| tree cls; |
| { |
| if (cls && TREE_CODE_CLASS (TREE_CODE (cls)) == 't') |
| cls = TYPE_NAME (cls); |
| if (cls && TREE_CODE_CLASS (TREE_CODE (cls)) == 'd') |
| cls = DECL_NAME (cls); |
| if (cls && TREE_CODE (cls) == IDENTIFIER_NODE) |
| return IDENTIFIER_POINTER (cls); |
| return "?"; |
| } |
| |
| /* Output cross-reference info about a class hierarchy. |
| CLS is the class type of interest. BASE is a baseclass |
| for CLS. PUB and VIRT give the access info about |
| the class derivation. FRND is nonzero iff BASE is a friend |
| of CLS. |
| |
| ??? Needs to handle nested classes. */ |
| |
| void |
| GNU_xref_hier(cls, base, pub, virt, frnd) |
| tree cls; |
| tree base; |
| int pub; |
| int virt; |
| int frnd; |
| { |
| XREF_FILE xf; |
| |
| if (!doing_xref) return; |
| xf = find_file(input_filename); |
| if (xf == NULL) return; |
| |
| fprintf(xref_file, "HIE %s %d %s %s %d %d %d\n", |
| filename(xf), lineno, classname (cls), classname (base), |
| pub, virt, frnd); |
| } |
| |
| /* Output cross-reference info about class members. CLS |
| is the containing type; FLD is the class member. */ |
| |
| void |
| GNU_xref_member(cls, fld) |
| tree cls; |
| tree fld; |
| { |
| XREF_FILE xf; |
| char *prot; |
| int confg, pure; |
| char *d; |
| #ifdef XREF_SHORT_MEMBER_NAMES |
| int i; |
| #endif |
| char buf[1024], bufa[1024]; |
| |
| if (!doing_xref) return; |
| xf = find_file(fld->decl.filename); |
| if (xf == NULL) return; |
| |
| if (TREE_PRIVATE (fld)) prot = "PRIVATE"; |
| else if (TREE_PROTECTED(fld)) prot = "PROTECTED"; |
| else prot = "PUBLIC"; |
| |
| confg = 0; |
| if (TREE_CODE (fld) == FUNCTION_DECL && DECL_CONST_MEMFUNC_P(fld)) |
| confg = 1; |
| else if (TREE_CODE (fld) == CONST_DECL) |
| confg = 1; |
| |
| pure = 0; |
| if (TREE_CODE (fld) == FUNCTION_DECL && DECL_ABSTRACT_VIRTUAL_P(fld)) |
| pure = 1; |
| |
| d = IDENTIFIER_POINTER(cls); |
| sprintf(buf, "%d%s", (int) strlen(d), d); |
| #ifdef XREF_SHORT_MEMBER_NAMES |
| i = strlen(buf); |
| #endif |
| strcpy(bufa, declname(fld)); |
| |
| #ifdef XREF_SHORT_MEMBER_NAMES |
| for (p = &bufa[1]; *p != 0; ++p) |
| { |
| if (p[0] == '_' && p[1] == '_' && p[2] >= '0' && p[2] <= '9') { |
| if (strncmp(&p[2], buf, i) == 0) *p = 0; |
| break; |
| } |
| else if (p[0] == '_' && p[1] == '_' && p[2] == 'C' && p[3] >= '0' && p[3] <= '9') { |
| if (strncmp(&p[3], buf, i) == 0) *p = 0; |
| break; |
| } |
| } |
| #endif |
| |
| fprintf(xref_file, "MEM %s %d %s %s %s %d %d %d %d %d %d %d\n", |
| filename(xf), fld->decl.linenum, d, bufa, prot, |
| (TREE_CODE (fld) == FUNCTION_DECL ? 0 : 1), |
| (DECL_INLINE (fld) ? 1 : 0), |
| (DECL_LANG_SPECIFIC(fld) && DECL_FRIEND_P(fld) ? 1 : 0), |
| (DECL_VINDEX(fld) ? 1 : 0), |
| (TREE_STATIC(fld) ? 1 : 0), |
| pure, confg); |
| } |
| |
| /* Find file entry given name. */ |
| |
| static XREF_FILE |
| find_file(name) |
| char *name; |
| { |
| XREF_FILE xf; |
| |
| for (xf = all_files; xf != NULL; xf = xf->next) { |
| if (STREQL(name, xf->name)) break; |
| } |
| |
| return xf; |
| } |
| |
| /* Return filename for output purposes. */ |
| |
| static char * |
| filename(xf) |
| XREF_FILE xf; |
| { |
| if (xf == NULL) { |
| last_file = NULL; |
| return "*"; |
| } |
| |
| if (last_file == xf) return "*"; |
| |
| last_file = xf; |
| |
| return xf->outname; |
| } |
| |
| /* Return function name for output purposes. */ |
| |
| static char * |
| fctname(fndecl) |
| tree fndecl; |
| { |
| static char fctbuf[1024]; |
| char *s; |
| |
| if (fndecl == NULL && last_fndecl == NULL) return "*"; |
| |
| if (fndecl == NULL) |
| { |
| last_fndecl = NULL; |
| return "*TOP*"; |
| } |
| |
| if (fndecl == last_fndecl) return "*"; |
| |
| last_fndecl = fndecl; |
| |
| s = declname(fndecl); |
| s = fixname(s, fctbuf); |
| |
| return s; |
| } |
| |
| /* Return decl name for output purposes. */ |
| |
| static char * |
| declname(dcl) |
| tree dcl; |
| { |
| if (DECL_NAME (dcl) == NULL) return "?"; |
| |
| if (DECL_ASSEMBLER_NAME (dcl)) |
| return IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (dcl)); |
| else |
| return IDENTIFIER_POINTER (DECL_NAME (dcl)); |
| } |
| |
| /* Simplify a type string by removing unneeded parenthesis. */ |
| |
| static void |
| simplify_type(typ) |
| char *typ; |
| { |
| char *s; |
| int lvl, i; |
| |
| i = strlen(typ); |
| while (i > 0 && ISSPACE(typ[i-1])) typ[--i] = 0; |
| |
| if (i > 7 && STREQL(&typ[i-5], "const")) |
| { |
| typ[i-5] = 0; |
| i -= 5; |
| } |
| |
| if (typ[i-1] != ')') return; |
| |
| s = &typ[i-2]; |
| lvl = 1; |
| while (*s != 0) { |
| if (*s == ')') ++lvl; |
| else if (*s == '(') |
| { |
| --lvl; |
| if (lvl == 0) |
| { |
| s[1] = ')'; |
| s[2] = 0; |
| break; |
| } |
| } |
| --s; |
| } |
| |
| if (*s != 0 && s[-1] == ')') |
| { |
| --s; |
| --s; |
| if (*s == '(') s[2] = 0; |
| else if (*s == ':') { |
| while (*s != '(') --s; |
| s[1] = ')'; |
| s[2] = 0; |
| } |
| } |
| } |
| |
| /* Fixup a function name (take care of embedded spaces). */ |
| |
| static char * |
| fixname(nam, buf) |
| char *nam; |
| char *buf; |
| { |
| char *s, *t; |
| int fg; |
| |
| s = nam; |
| t = buf; |
| fg = 0; |
| |
| while (*s != 0) |
| { |
| if (*s == ' ') |
| { |
| *t++ = '\36'; |
| ++fg; |
| } |
| else *t++ = *s; |
| ++s; |
| } |
| *t = 0; |
| |
| if (fg == 0) return nam; |
| |
| return buf; |
| } |
| |
| /* Open file for xreffing. */ |
| |
| static void |
| open_xref_file(file) |
| char *file; |
| { |
| char *s, *t; |
| |
| #ifdef XREF_FILE_NAME |
| XREF_FILE_NAME (xref_name, file); |
| #else |
| s = rindex (file, '/'); |
| if (s == NULL) |
| sprintf (xref_name, ".%s.gxref", file); |
| else |
| { |
| ++s; |
| strcpy (xref_name, file); |
| t = rindex (xref_name, '/'); |
| ++t; |
| *t++ = '.'; |
| strcpy (t, s); |
| strcat (t, ".gxref"); |
| } |
| #endif /* no XREF_FILE_NAME */ |
| |
| xref_file = fopen(xref_name, "w"); |
| |
| if (xref_file == NULL) |
| { |
| error("Can't create cross-reference file `%s'", xref_name); |
| doing_xref = 0; |
| } |
| } |