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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* cscope - interactive C symbol cross-reference
*
* global type, data, and function definitions
*/
#include <ctype.h> /* isalpha, isdigit, etc. */
#include <signal.h> /* SIGINT and SIGQUIT */
#include <stdio.h> /* standard I/O package */
#include <sys/types.h>
#include "constants.h" /* misc. constants */
#include "invlib.h" /* inverted index library */
#include "library.h" /* library function return values */
#include "mouse.h" /* mouse interface */
#define SIGTYPE void
typedef enum { /* boolean data type */
NO,
YES
} BOOL;
typedef enum { /* findinit return code */
NOERROR,
NOTSYMBOL,
REGCMPERROR
} FINDINIT;
typedef struct history { /* command history */
int field;
char *text;
struct history *previous;
struct history *next;
} HISTORY;
typedef enum { /* keyword type */
DECL, /* type declaration */
FLOW, /* control flow (do, if, for, while, switch, etc.) */
MISC /* misc.: sizeof or table placeholder for compression */
} KEYWORD;
/* digraph data for text compression */
extern char dichar1[]; /* 16 most frequent first chars */
extern char dichar2[]; /* 8 most frequent second chars */
/* using the above as first chars */
extern char dicode1[]; /* digraph first character code */
extern char dicode2[]; /* digraph second character code */
/* main.c global data */
extern char *editor, *home, *shell; /* environment variables */
extern BOOL compress; /* compress the characters in the crossref */
extern int cscopedepth; /* cscope invocation nesting depth */
extern char currentdir[]; /* current directory */
extern BOOL dbtruncated; /* database symbols are truncated to 8 chars */
extern char **dbvpdirs; /* directories (including current) in */
/* database view path */
extern int dbvpndirs; /* number of directories in database */
/* view path */
extern int dispcomponents; /* file path components to display */
extern BOOL editallprompt; /* prompt between editing files */
extern int fileargc; /* file argument count */
extern char **fileargv; /* file argument values */
extern int fileversion; /* cross-reference file version */
extern BOOL incurses; /* in curses */
extern INVCONTROL invcontrol; /* inverted file control structure */
extern BOOL invertedindex; /* the database has an inverted index */
extern BOOL isuptodate; /* consider the crossref up-to-date */
extern BOOL linemode; /* use line oriented user interface */
extern char *namefile; /* file of file names */
extern char *newreffile; /* new cross-reference file name */
extern FILE *newrefs; /* new cross-reference */
extern BOOL noacttimeout; /* no activity timeout occurred */
extern BOOL ogs; /* display OGS book and subsystem names */
extern FILE *postings; /* new inverted index postings */
extern char *prependpath; /* prepend path to file names */
extern BOOL returnrequired; /* RETURN required after selection number */
extern int symrefs; /* cross-reference file */
extern char temp1[]; /* temporary file name */
extern char temp2[]; /* temporary file name */
extern long totalterms; /* total inverted index terms */
extern BOOL truncatesyms; /* truncate symbols to 8 characters */
/* command.c global data */
extern BOOL caseless; /* ignore letter case when searching */
extern BOOL *change; /* change this line */
extern BOOL changing; /* changing text */
extern char newpat[]; /* new pattern */
extern char pattern[]; /* symbol or text pattern */
/* crossref.c global data */
extern long dboffset; /* new database offset */
extern BOOL errorsfound; /* prompt before clearing error messages */
extern long fileindex; /* source file name index */
extern long lineoffset; /* source line database offset */
extern long npostings; /* number of postings */
extern int symbols; /* number of symbols */
/* dir.c global data */
extern char **incdirs; /* #include directories */
extern char **srcdirs; /* source directories */
extern char **srcfiles; /* source files */
extern int nincdirs; /* number of #include directories */
extern int nsrcdirs; /* number of source directories */
extern int nsrcfiles; /* number of source files */
extern int msrcfiles; /* maximum number of source files */
/* display.c global data */
extern int *displine; /* screen line of displayed reference */
extern int disprefs; /* displayed references */
extern int field; /* input field */
extern unsigned fldcolumn; /* input field column */
extern int mdisprefs; /* maximum displayed references */
extern int selectlen; /* selection number field length */
extern int nextline; /* next line to be shown */
extern int topline; /* top line of page */
extern int bottomline; /* bottom line of page */
extern int totallines; /* total reference lines */
extern FILE *refsfound; /* references found file */
extern FILE *nonglobalrefs; /* non-global references file */
/* exec.c global data */
extern pid_t childpid; /* child's process ID */
/* find.c global data */
extern char block[]; /* cross-reference file block */
extern int blocklen; /* length of disk block read */
extern char blockmark; /* mark character to be searched for */
extern long blocknumber; /* block number */
extern char *blockp; /* pointer to current character in block */
extern char lastfilepath[]; /* last file that full path was computed for */
/* lookup.c global data */
extern struct keystruct {
char *text;
char delim;
KEYWORD type;
struct keystruct *next;
} keyword[];
/* scanner.l global data */
extern int first; /* buffer index for first char of symbol */
extern int last; /* buffer index for last char of symbol */
extern int lineno; /* symbol line number */
extern FILE *yyin; /* input file descriptor */
extern int yyleng; /* input line length */
extern int yylineno; /* input line number */
#if hpux
extern unsigned char yytext[]; /* input line text */
#else
extern char yytext[]; /* input line text */
#endif
/* vpinit.c global data */
extern char *argv0; /* command name */
/* cscope functions called from more than one function or between files */
/* cgrep.c */
void egrepcaseless(int i);
char *egrepinit(char *expression);
int egrep(char *f, FILE *o, char *fo);
/* command.c */
BOOL command(int commandc);
void clearprompt(void);
BOOL readrefs(char *filename);
BOOL changestring(void);
void mark(int i);
/* crossref.c */
void crossref(char *srcfile);
void savesymbol(int token);
void putfilename(char *srcfile);
void putposting(char *term, int type);
void putstring(char *s);
void warning(char *text);
/* dir.c */
void sourcedir(char *dirlist);
void includedir(char *dirlist);
void makefilelist(void);
void incfile(char *file, int type);
BOOL infilelist(char *file);
void addsrcfile(char *path);
void freefilelist(void);
/* display.c */
void dispinit(void);
void display(void);
void setfield(void);
void atfield(void);
void jumpback(int sig);
BOOL search(void);
BOOL writerefsfound(void);
void countrefs(void);
void myperror(char *text);
void putmsg(char *msg);
void clearmsg2(void);
void putmsg2(char *msg);
void seekline(int line);
void ogsnames(char *file, char **subsystem, char **book);
char *pathcomponents(char *path, int components);
void strtoupper(char *s);
/* edit.c */
void editref(int i);
void editall(void);
void edit(char *file, char *linenum);
/* find.c */
void findsymbol(void);
void finddef(void);
void findallfcns(void);
void findcalledby(void);
void findcalling(void);
void findassignments(void);
char *findgreppat(void);
char *findegreppat(char *egreppat);
void findfile(void);
void findinclude(void);
FINDINIT findinit(void);
void findcleanup(void);
void initprogress(void);
void progress(char *format, long n1, long n2);
BOOL match(void);
BOOL matchrest(void);
void getstring(char *s);
char *scanpast(int c);
char *readblock(void);
long dbseek(long offset);
/* help.c */
void help(void);
/* history.c */
void addcmd(int f, char *s);
void resetcmd(void);
HISTORY *currentcmd(void);
HISTORY *prevcmd(void);
HISTORY *nextcmd(void);
/* input.c */
void catchint(int sig);
int ungetch(int c);
int mygetch(void);
int getaline(char s[], size_t size, int firstchar, BOOL iscaseless);
void askforchar(void);
void askforreturn(void);
void shellpath(char *out, int limit, char *in);
/* lookup.c */
void initsymtab(void);
struct keystruct *lookup(char *ident);
int hash(char *s);
/* main.c */
void rebuild(void);
void entercurses(void);
void exitcurses(void);
void myexit(int sig) __NORETURN;
void cannotopen(char *file);
void cannotwrite(char *file);
/* menu.c */
void initmenu(void);
extern void initscanner(char *srcfile);
extern int yylex(void);
extern int execute(char *, ...);
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