tools/cxref/query/query.c

   1 /***************************************
   2   $Header$
   3
   4   C Cross Referencing & Documentation tool. Version 1.4.
   5   ******************/ /******************
   6   Written by Andrew M. Bishop
   7
   8   This file Copyright 1995,96 Andrew M. Bishop
   9   It may be distributed under the GNU Public License, version 2, or
  10   any higher version.  See section COPYING of the GNU Public license
  11   for conditions under which this file may be redistributed.
  12   ***************************************/
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17
  18 #include "../memory.h"
  19 #include "../datatype.h"
  20 #include "../cxref.h"
  21 #include "query.h"
  22
  23 /*+ The command line switch that sets the amount of cross referencing to do. +*/
  24 int option_xref=0;
  25
  26 /*+ The command line switch for the output name, +*/
  27 char *option_odir=".",          /*+ The directory to use. +*/
  28      *option_name="cxref";      /*+ The base part of the name. +*/
  29
  30 File *files=NULL;               /*+ The files that are queried. +*/
  31 int n_files=0;                  /*+ The number of files referenced. +*/
  32
  33 Function *functions=NULL;       /*+ The functions that are queried. +*/
  34 int n_functions=0;              /*+ The number of functions referenced. +*/
  35
  36 Variable *variables=NULL;       /*+ The variables that are queried. +*/
  37 int n_variables=0;              /*+ The number of variables referenced. +*/
  38
  39 Typedef *typedefs=NULL;         /*+ The type definitions that are queried. +*/
  40 int n_typedefs=0;               /*+ The number of typedefs referenced. +*/
  41
  42
  43 /*++++++++++++++++++++++++++++++++++++++
  44   The main function that does it all.
  45
  46   int main Returns the status, zero for normal termination, else an error.
  47
  48   int argc The command line number of arguments.
  49
  50   char** argv The actual command line arguments
  51   ++++++++++++++++++++++++++++++++++++++*/
  52
  53 int main(int argc,char** argv)
  54 {
  55  int i,args=0;
  56
  57  if(argc==1)
  58    {
  59     fputs("Usage: cxref-query [name [ ... name]]                       ; Names of objects to query.\n"
  60           "                   [-Odirname]                              ; Use dirname as the input directory\n"
  61           "                   [-Nbasename]                             ; Use basename.* as the input filenames\n"
  62           "                   [-xref[-all][-file][-func][-var][-type]] ; Use cross reference files (default -xref-all).\n"
  63           ,stderr);
  64     exit(1);
  65    }
  66
  67  for(i=1;i<argc;i++)
  68    {
  69     if(!strncmp(argv[i],"-O",2))
  70       {
  71        if(argv[i][2]==0)
  72          {
  73           argv[i++]=NULL;
  74           if(i==argc)
  75             {fprintf(stderr,"cxref-query: The -O option requires a following argument.\n");return(1);}
  76           option_odir=argv[i];
  77          }
  78        else
  79           option_odir=&argv[i][2];
  80        argv[i]=NULL;
  81        continue;
  82       }
  83
  84     if(!strncmp(argv[i],"-N",2))
  85       {
  86        if(argv[i][2]==0)
  87          {
  88           argv[i++]=NULL;
  89           if(i==argc)
  90             {fprintf(stderr,"cxref-query: The -N option requires a following argument.\n");return(1);}
  91           option_name=argv[i];
  92          }
  93        else
  94           option_name=&argv[i][2];
  95        argv[i]=NULL;
  96        continue;
  97       }
  98
  99     if(!strncmp(argv[i],"-xref",5))
 100       {
 101        char* p=&argv[i][5];
 102
 103        if(!*p)
 104           option_xref=XREF_ALL;
 105        else
 106           while(*p)
 107             {
 108              if(!strncmp(p,"-all" ,4)) {option_xref|=XREF_ALL ; p=&p[4]; continue;}
 109              if(!strncmp(p,"-file",5)) {option_xref|=XREF_FILE; p=&p[5]; continue;}
 110              if(!strncmp(p,"-func",5)) {option_xref|=XREF_FUNC; p=&p[5]; continue;}
 111              if(!strncmp(p,"-var" ,4)) {option_xref|=XREF_VAR ; p=&p[4]; continue;}
 112              if(!strncmp(p,"-type",5)) {option_xref|=XREF_TYPE; p=&p[5]; continue;}
 113              break;
 114             }
 115        argv[i]=NULL;continue;
 116       }
 117
 118     args++;
 119     if(!strncmp(argv[i],"./",2))
 120        argv[i]+=2;
 121    }
 122
 123  LoadInCrossRefs();
 124
 125  if(args)
 126    {
 127     for(i=1;i<argc;i++)
 128        if(argv[i])
 129          {
 130           printf("cxref-query> %s\n\n",argv[i]);
 131           OutputCrossRef(argv[i]);
 132          }
 133    }
 134  else
 135    {
 136     while(1)
 137       {
 138        char input[128];
 139        printf("cxref-query> ");
 140        if(!fgets(input,128,stdin))
 141          {printf("\n\n");break;}
 142
 143        printf("\n");
 144        input[strlen(input)-1]=0;
 145        OutputCrossRef(input);
 146       }
 147    }
 148
 149  PrintMemoryStatistics();
 150
 151  return(0);
 152 }