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Start development on 386BSD 0.1
[unix-history] / .ref-386BSD-0.0 / usr / src / usr.bin / g++ / cc1plus / cplus-field.c
/************************************************************************/
/* */
/* cplus-field.c */
/* */
/* Code for handling XREF output from g++ */
/* */
/************************************************************************/
#ifdef FIELD_XREF
#include "config.h"
#include "tree.h"
#include "cplus-tree.h"
#include "input.h"
#include <stdio.h>
#include <ctype.h>
#include <strings.h>
/************************************************************************/
/* */
/* Common definitions */
/* */
/************************************************************************/
typedef int Integer;
typedef char * String;
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef NULL
#define NULL 0
#endif
#define PALLOC(typ) ((typ *) calloc(1,sizeof(typ)))
#define SALLOC(str) ((String) ((str == NULL) ? NULL : (strcpy(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 {
String name;
XREF_FILE next;
} XREF_FILE_INFO;
typedef struct _XREF_SCOPE {
Integer gid;
Integer lid;
XREF_FILE file;
Integer 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 String wd_name = NULL;
static XREF_SCOPE cur_scope = NULL;
static Integer scope_ctr = 0;
static XREF_FILE last_file = NULL;
static tree last_fct = NULL;
/************************************************************************/
/* */
/* Forward definitions */
/* */
/************************************************************************/
extern void FIELD_xref_begin();
extern void FIELD_xref_end();
extern void FIELD_xref_file();
extern void FIELD_xref_start_scope();
extern void FIELD_xref_end_scope();
extern void FIELD_xref_ref();
extern void FIELD_xref_decl();
extern void FIELD_xref_call();
extern void FIELD_xref_function();
extern void FIELD_xref_assign();
extern void FIELD_xref_hier();
extern void FIELD_xref_member();
static void gen_assign();
static XREF_FILE find_file();
static String filename();
static String fctname();
static String declname();
static void simplify_type();
static String fixname();
static void open_xref_file();
extern char * type_as_string();
/************************************************************************/
/* */
/* FIELD_xref_begin -- start cross referencing */
/* */
/************************************************************************/
void
FIELD_xref_begin(file)
String file;
{
String s,t;
doing_xref = 1;
if (file != NULL && STRNEQ(file,"-")) {
open_xref_file(file);
FIELD_xref_file(file);
};
};
/************************************************************************/
/* */
/* FIELD_xref_end -- finish cross referencing */
/* */
/************************************************************************/
void
FIELD_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) {
FIELD_xref_end_scope(cur_scope->gid,0,0,0,0);
};
doing_xref = 0;
if (xref_file == NULL) return;
fclose(xref_file);
xref_file = NULL;
all_files = NULL;
if (ect > 0) unlink(xref_name);
};
/************************************************************************/
/* */
/* FIELD_xref_file -- handle file xrefing */
/* */
/************************************************************************/
void
FIELD_xref_file(name)
String name;
{
XREF_FILE xf;
char wdbuf[1024];
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) {
getwd(wdbuf);
wd_name = SALLOC(wdbuf);
};
fprintf(xref_file,"FIL %s %s 0\n",name,wd_name);
filename(xf);
fctname(NULL);
};
/************************************************************************/
/* */
/* FIELD_xref_start_scope -- begin a scope */
/* FIELD_xref_end_scope -- finish a scope */
/* */
/************************************************************************/
void
FIELD_xref_start_scope(id)
Integer 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;
};
void
FIELD_xref_end_scope(id,inid,prm,keep,trns)
Integer id;
Integer inid;
Integer prm,keep,trns;
{
XREF_FILE xf;
XREF_SCOPE xs,lxs,oxs;
String 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 %d %s\n",
filename(xf),xs->start,lineno,xs->lid,inid,stype);
if (lxs == NULL) cur_scope = xs->outer;
else lxs->outer = xs->outer;
free(xs);
};
/************************************************************************/
/* */
/* FIELD_xref_ref -- handle reference */
/* */
/************************************************************************/
void
FIELD_xref_ref(fct,name)
tree fct;
String 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(fct),name);
};
/************************************************************************/
/* */
/* FIELD_xref_decl -- handle declaration */
/* */
/************************************************************************/
void
FIELD_xref_decl(fct,decl)
tree fct;
tree decl;
{
XREF_FILE xf;
String cls;
String name;
char buf[10240];
if (!doing_xref) return;
xf = find_file(input_filename);
if (xf == NULL) return;
if (DECL_NAME(decl) == NULL) return;
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 (fct == NULL && TREE_STATIC(decl) &&
TREE_READONLY(decl) && DECL_INITIAL(decl) != 0 &&
!TREE_PUBLIC(decl) && !TREE_EXTERNAL(decl) &&
DECL_MODE(decl) != BLKmode) cls = "CONST";
else if (TREE_EXTERNAL(decl)) cls = "EXTERN";
else if (TREE_PUBLIC(decl)) cls = "EXTDEF";
else if (TREE_STATIC(decl)) cls = "STATIC";
else if (TREE_REGDECL(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 (TREE_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);
}
else if (TREE_CODE(decl) == RECORD_TYPE) {
if (CLASSTYPE_DECLARED_CLASS(decl)) cls = "CLASSID";
else cls = "STRUCTID";
decl = TYPE_NAME(decl);
}
else if (TREE_CODE(decl) == ENUMERAL_TYPE) {
cls = "ENUMID";
decl = TYPE_NAME(decl);
}
else cls = "UNKNOWN";
name = IDENTIFIER_POINTER(DECL_NAME(decl));
type_as_string(buf,TREE_TYPE(decl));
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(fct),buf);
};
/************************************************************************/
/* */
/* FIELD_xref_call -- handle call */
/* */
/************************************************************************/
void
FIELD_xref_call(fct,name)
tree fct;
String name;
{
XREF_FILE xf;
char buf[1024];
if (!doing_xref) return;
xf = find_file(input_filename);
if (xf == NULL) return;
name = fixname(name,buf);
fprintf(xref_file,"CAL %s %d %s %s\n",
filename(xf),lineno,name,fctname(fct));
};
/************************************************************************/
/* */
/* FIELD_xref_function -- handle functions */
/* */
/************************************************************************/
void
FIELD_xref_function(fct,args)
tree fct;
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(fct);
FIELD_xref_decl(NULL,fct);
for ( ; args != NULL; args = TREE_CHAIN(args)) {
FIELD_xref_decl(fct,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(fct),
(cur_scope != NULL ? cur_scope->lid : 0),
ct,buf);
};
/************************************************************************/
/* */
/* FIELD_xref_assign -- handle assignment */
/* */
/************************************************************************/
void
FIELD_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;
{
String 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);
};
};
/************************************************************************/
/* */
/* FIELD_xref_hier -- handle hierarchy */
/* */
/************************************************************************/
void
FIELD_xref_hier(cls,base,pub,virt,frnd)
String cls;
String 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,cls,base,pub,virt,frnd);
};
/************************************************************************/
/* */
/* FIELD_xref_member -- handle member */
/* */
/************************************************************************/
void
FIELD_xref_member(cls,fld)
tree cls;
tree fld;
{
XREF_FILE xf;
String prot;
Integer confg,pure;
String d,p;
Integer i;
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",strlen(d),d);
i = strlen(buf);
strcpy(bufa,declname(fld));
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;
};
};
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),
(TREE_INLINE(fld) ? 1 : 0),
(DECL_FRIEND_P(fld) ? 1 : 0),
(DECL_VIRTUAL_P(fld) ? 1 : 0),
(TREE_STATIC(fld) ? 1 : 0),
pure,confg);
};
/************************************************************************/
/* */
/* find_file -- find file entry given name */
/* */
/************************************************************************/
static XREF_FILE
find_file(name)
String name;
{
XREF_FILE xf;
for (xf = all_files; xf != NULL; xf = xf->next) {
if (STREQL(name,xf->name)) break;
};
return xf;
};
/************************************************************************/
/* */
/* filename -- return name for output */
/* */
/************************************************************************/
static String
filename(xf)
XREF_FILE xf;
{
if (xf == NULL) {
last_file = NULL;
return "*";
};
if (last_file == xf) return "*";
last_file = xf;
return xf->name;
};
/************************************************************************/
/* */
/* fctname -- return name for function */
/* */
/************************************************************************/
static String
fctname(fct)
tree fct;
{
extern char * declname();
static char fctbuf[1024];
String s;
if (fct == NULL && last_fct == NULL) return "*";
if (fct == NULL) {
last_fct = NULL;
return "*TOP*";
};
if (fct == last_fct) return "*";
last_fct = fct;
s = declname(fct);
s = fixname(s,fctbuf);
return s;
};
/************************************************************************/
/* */
/* declname -- print name for declaration */
/* */
/************************************************************************/
static String
declname(dcl)
tree dcl;
{
if (DECL_NAME(dcl) == NULL) return "?";
return IDENTIFIER_POINTER (DECL_NAME (dcl));
}
/************************************************************************/
/* */
/* simplify_type -- simplify a type string */
/* */
/************************************************************************/
static void
simplify_type(typ)
String typ;
{
String s;
Integer 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;
};
};
};
/************************************************************************/
/* */
/* fixname -- fixup a function name (take care of embedded spaces */
/* */
/************************************************************************/
static String
fixname(nam,buf)
String nam;
String buf;
{
String s,t;
int fg;
s = nam;
t = buf;
fg = 0;
while (*s != 0) {
if (*s == ' ') {
*t++ = '\36';
++fg;
}
else *t++ = *s;
++s;
};
if (fg == 0) return nam;
return buf;
};
/************************************************************************/
/* */
/* open_xref_file -- open file for xrefing */
/* */
/************************************************************************/
static void
open_xref_file(file)
String file;
{
String s,t;
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");
};
xref_file = fopen(xref_name,"w");
if (xref_file == NULL) {
error("Can't create cross-reference file `%s'",xref_name);
doing_xref = 0;
};
};
#endif
/* end of cplus-field.c */
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.