397 lines
8.3 KiB
C
397 lines
8.3 KiB
C
/*
|
|
* (c) copyright 1990 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*
|
|
* Author: Ceriel J.H. Jacobs
|
|
*/
|
|
|
|
/* D E B U G G E R S Y M B O L T A B L E */
|
|
|
|
/* $Id$ */
|
|
|
|
#include "dbsymtab.h"
|
|
|
|
#ifdef DBSYMTAB
|
|
|
|
#include <alloc.h>
|
|
#include <em_arith.h>
|
|
#include <em_label.h>
|
|
#include <em_code.h>
|
|
#include <stb.h>
|
|
|
|
#include "LLlex.h"
|
|
#include "def.h"
|
|
#include "type.h"
|
|
#include "idf.h"
|
|
#include "const.h"
|
|
#include "scope.h"
|
|
#include "main.h"
|
|
#include "node.h"
|
|
|
|
#define INCR_SIZE 64
|
|
|
|
extern int proclevel;
|
|
|
|
extern char *sprint();
|
|
|
|
static struct db_str {
|
|
unsigned sz;
|
|
char *base;
|
|
char *currpos;
|
|
} db_str;
|
|
|
|
static
|
|
create_db_str()
|
|
{
|
|
if (! db_str.base) {
|
|
db_str.base = Malloc(INCR_SIZE);
|
|
db_str.sz = INCR_SIZE;
|
|
}
|
|
db_str.currpos = db_str.base;
|
|
}
|
|
|
|
static
|
|
addc_db_str(c)
|
|
int c;
|
|
{
|
|
int df = db_str.currpos - db_str.base;
|
|
if (df >= db_str.sz-1) {
|
|
db_str.sz += INCR_SIZE;
|
|
db_str.base = Realloc(db_str.base, db_str.sz);
|
|
db_str.currpos = db_str.base + df;
|
|
}
|
|
*db_str.currpos++ = c;
|
|
*db_str.currpos = '\0';
|
|
}
|
|
|
|
static
|
|
adds_db_str(s)
|
|
char *s;
|
|
{
|
|
while (*s) addc_db_str(*s++);
|
|
}
|
|
|
|
static
|
|
stb_type(tp, assign_num)
|
|
register struct type *tp;
|
|
{
|
|
char buf[128];
|
|
static int stb_count;
|
|
|
|
if (tp->tp_dbindex > 0) {
|
|
adds_db_str(sprint(buf, "%d", tp->tp_dbindex));
|
|
return;
|
|
}
|
|
if (tp->tp_dbindex < 0) {
|
|
if (tp->next == 0) {
|
|
adds_db_str(sprint(buf, "%d", -tp->tp_dbindex));
|
|
return;
|
|
}
|
|
tp->tp_dbindex = -tp->tp_dbindex;
|
|
}
|
|
if (tp->tp_dbindex == 0 && assign_num) {
|
|
tp->tp_dbindex = ++stb_count;
|
|
}
|
|
if (tp->tp_dbindex > 0) {
|
|
adds_db_str(sprint(buf, "%d=", tp->tp_dbindex));
|
|
}
|
|
if (tp == void_type) {
|
|
adds_db_str(sprint(buf, "%d", tp->tp_dbindex));
|
|
return;
|
|
}
|
|
switch(tp->tp_fund) {
|
|
/* simple types ... */
|
|
case T_INTEGER:
|
|
case T_LONG: {
|
|
arith l = full_mask[(int)tp->tp_size] & ~(1L << (tp->tp_size*8-1));
|
|
adds_db_str(sprint(buf,
|
|
"r%d;%ld;%ld",
|
|
tp->tp_dbindex,
|
|
(long) -l-1,
|
|
(long) l));
|
|
}
|
|
break;
|
|
case T_REAL:
|
|
adds_db_str(sprint(buf,
|
|
"r%d;%ld;0",
|
|
tp->tp_dbindex,
|
|
(long)tp->tp_size));
|
|
break;
|
|
case T_CHAR:
|
|
adds_db_str(sprint(buf,
|
|
"r%d;0;255",
|
|
tp->tp_dbindex));
|
|
break;
|
|
|
|
/* constructed types ... */
|
|
case T_SUBRANGE:
|
|
adds_db_str(sprint(buf,
|
|
"r%d;%ld;%ld",
|
|
tp->next->tp_dbindex,
|
|
(long) tp->sub_lb,
|
|
(long) tp->sub_ub));
|
|
break;
|
|
case T_POINTER:
|
|
if (tp->next) {
|
|
addc_db_str('*');
|
|
stb_type(tp->next, 0);
|
|
if (tp->tp_dbindex < 0) tp->tp_dbindex = -tp->tp_dbindex;
|
|
}
|
|
else {
|
|
tp->tp_dbindex = - ++stb_count;
|
|
adds_db_str(sprint(buf, "%d", -tp->tp_dbindex));
|
|
}
|
|
break;
|
|
case T_SET:
|
|
addc_db_str('S');
|
|
stb_type(tp->next, 0);
|
|
adds_db_str(sprint(buf, ";%ld;%ld;", (long) tp->tp_size, 0L));
|
|
break;
|
|
case T_ARRAY:
|
|
addc_db_str('a');
|
|
if (IsConformantArray(tp)) {
|
|
addc_db_str('r');
|
|
stb_type(tp->next, 0);
|
|
adds_db_str(sprint(buf, ";A%ld;Z%ld", (long) tp->arr_cfdescr, (long) tp->arr_cfdescr));
|
|
}
|
|
else {
|
|
stb_type(tp->next, 0);
|
|
}
|
|
addc_db_str(';');
|
|
stb_type(tp->arr_elem, 0);
|
|
break;
|
|
case T_ENUMERATION:
|
|
addc_db_str('e');
|
|
{
|
|
register struct def *edef = tp->enm_enums;
|
|
|
|
while (edef) {
|
|
adds_db_str(sprint(buf, "%s:%ld,",
|
|
edef->df_idf->id_text,
|
|
(long) edef->enm_val));
|
|
edef = edef->enm_next;
|
|
}
|
|
}
|
|
addc_db_str(';');
|
|
break;
|
|
case T_RECORD:
|
|
adds_db_str(sprint(buf, "s%ld", (long) tp->tp_size));
|
|
{
|
|
register struct def *sdef = tp->rec_scope->sc_def;
|
|
|
|
while (sdef) {
|
|
adds_db_str(sdef->df_idf->id_text);
|
|
addc_db_str(':');
|
|
stb_type(sdef->df_type, 0);
|
|
adds_db_str(sprint(buf,
|
|
",%ld,%ld;",
|
|
sdef->fld_off*8L,
|
|
sdef->df_type->tp_size*8L));
|
|
sdef = sdef->df_nextinscope;
|
|
}
|
|
}
|
|
addc_db_str(';');
|
|
break;
|
|
case T_PROCEDURE:
|
|
case T_FUNCTION:
|
|
addc_db_str('Q');
|
|
stb_type(tp->next ? tp->next : void_type, 0);
|
|
{
|
|
register struct paramlist *p = tp->prc_params;
|
|
int paramcount = 0;
|
|
|
|
while (p) {
|
|
paramcount++;
|
|
p = p->next;
|
|
}
|
|
adds_db_str(sprint(buf, ",%d;", paramcount));
|
|
p = tp->prc_params;
|
|
while (p) {
|
|
addc_db_str(IsVarParam(p)
|
|
? 'v'
|
|
: IsConformantArray(TypeOfParam(p))
|
|
? 'i'
|
|
: 'p');
|
|
stb_type(TypeOfParam(p), 0);
|
|
addc_db_str(';');
|
|
p = p->next;
|
|
}
|
|
}
|
|
break;
|
|
case T_FILE:
|
|
addc_db_str('L');
|
|
stb_type(tp->next, 0);
|
|
break;
|
|
case T_STRING:
|
|
addc_db_str('*');
|
|
stb_type(char_type, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
stb_addtp(s, tp)
|
|
char *s;
|
|
struct type *tp;
|
|
{
|
|
create_db_str();
|
|
adds_db_str(s);
|
|
addc_db_str(':');
|
|
addc_db_str('t');
|
|
stb_type(tp, 1);
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base,
|
|
N_LSYM,
|
|
tp == void_type || tp->tp_size > 32767
|
|
? 0
|
|
: (IsPacked(tp) ? (int) tp->tp_psize : (int)tp->tp_size),
|
|
(arith) 0);
|
|
}
|
|
|
|
stb_string(df, kind)
|
|
register struct def *df;
|
|
long kind;
|
|
{
|
|
register struct type *tp = df->df_type;
|
|
char buf[64];
|
|
|
|
create_db_str();
|
|
adds_db_str(df->df_idf->id_text);
|
|
addc_db_str(':');
|
|
if (kind == D_MODULE) {
|
|
adds_db_str(sprint(buf, "M%d;", df->prc_vis->sc_count));
|
|
C_ms_stb_pnam(db_str.base, N_FUN, proclevel, "_m_a_i_n");
|
|
return;
|
|
}
|
|
switch((int)kind) {
|
|
case D_PROCEDURE:
|
|
case D_FUNCTION:
|
|
adds_db_str(sprint(buf, "Q%d;", df->prc_vis->sc_count));
|
|
stb_type(tp->next ? tp->next : void_type, 0);
|
|
addc_db_str(';');
|
|
C_ms_stb_pnam(db_str.base, N_FUN, proclevel, df->df_idf->id_text);
|
|
{
|
|
register struct paramlist *p = tp->prc_params;
|
|
while (p) {
|
|
stb_string(p->par_def, D_VARIABLE);
|
|
p = p->next;
|
|
}
|
|
}
|
|
for (df = df->prc_vis->sc_scope->sc_def; df; df = df->df_nextinscope) {
|
|
if (df->df_kind == D_LBOUND ||
|
|
df->df_kind == D_UBOUND) {
|
|
stb_string(df, df->df_kind);
|
|
}
|
|
}
|
|
break;
|
|
case D_END:
|
|
case D_PEND:
|
|
adds_db_str(sprint(buf, "E%d;", df->prc_vis->sc_count));
|
|
C_ms_stb_cst(db_str.base, N_SCOPE, proclevel, (arith)0);
|
|
break;
|
|
case D_VARIABLE:
|
|
if (df->df_flags & D_VARPAR) { /* VAR parameter */
|
|
addc_db_str('v');
|
|
stb_type(tp, 0);
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base, N_PSYM, 0, df->var_off);
|
|
}
|
|
else if (df->df_flags & D_VALPAR) { /* value parameter */
|
|
addc_db_str(IsConformantArray(tp)
|
|
? 'i'
|
|
: 'p');
|
|
stb_type(tp, 0);
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base, N_PSYM, 0, df->var_off);
|
|
}
|
|
else if (!proclevel) {
|
|
addc_db_str('G');
|
|
stb_type(tp, 0);
|
|
addc_db_str(';');
|
|
C_ms_stb_dnam(db_str.base, N_LCSYM, 0, df->var_name, (arith) 0);
|
|
}
|
|
else { /* local variable */
|
|
stb_type(tp, 1); /* assign type num to avoid
|
|
difficult to parse string */
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base, N_LSYM, 0, df->var_off);
|
|
}
|
|
break;
|
|
case D_LBOUND:
|
|
case D_UBOUND:
|
|
addc_db_str(kind == D_LBOUND ? 'A' : 'Z');
|
|
addc_db_str('p');
|
|
stb_type(tp, 0);
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base, N_PSYM, 0, df->bnd_type->arr_cfdescr);
|
|
break;
|
|
case D_TYPE:
|
|
addc_db_str('t');
|
|
stb_type(tp, 1);
|
|
addc_db_str(';');
|
|
C_ms_stb_cst(db_str.base,
|
|
N_LSYM,
|
|
tp == void_type || tp->tp_size > 32767
|
|
? 0
|
|
: (IsPacked(tp) ? (int) tp->tp_psize : (int)tp->tp_size),
|
|
(arith) 0);
|
|
break;
|
|
case D_CONST:
|
|
addc_db_str('c');
|
|
addc_db_str('=');
|
|
tp = BaseType(tp);
|
|
switch(tp->tp_fund) {
|
|
case T_INTEGER:
|
|
case T_LONG:
|
|
case T_POINTER:
|
|
case T_PROCEDURE:
|
|
adds_db_str(sprint(buf, "i%ld;", (long) df->con_const->nd_INT));
|
|
break;
|
|
case T_CHAR:
|
|
adds_db_str(sprint(buf, "c%ld;", (long) df->con_const->nd_INT));
|
|
break;
|
|
case T_REAL:
|
|
addc_db_str('r');
|
|
adds_db_str(df->con_const->nd_REL);
|
|
addc_db_str(';');
|
|
break;
|
|
case T_STRINGCONST: {
|
|
register char *p = df->con_const->nd_STR;
|
|
|
|
adds_db_str("s'");
|
|
while (*p) {
|
|
if (*p == '\'' || *p == '\\') {
|
|
addc_db_str('\\');
|
|
}
|
|
addc_db_str(*p++);
|
|
}
|
|
adds_db_str("';");
|
|
}
|
|
break;
|
|
case T_ENUMERATION:
|
|
addc_db_str('e');
|
|
stb_type(tp, 0);
|
|
adds_db_str(sprint(buf, ",%ld;", (long) df->con_const->nd_INT));
|
|
break;
|
|
case T_SET: {
|
|
register int i;
|
|
|
|
addc_db_str('S');
|
|
stb_type(tp, 0);
|
|
for (i = 0; i < tp->tp_size; i++) {
|
|
adds_db_str(sprint(buf, ",%ld",
|
|
(long) (df->con_const->nd_set[i/(int) word_size] >> (8*(i%(int)word_size)))&0377));
|
|
}
|
|
addc_db_str(';');
|
|
}
|
|
break;
|
|
}
|
|
C_ms_stb_cst(db_str.base,
|
|
N_LSYM,
|
|
tp->tp_size <= 32767 ? (int)tp->tp_size : 0,
|
|
(arith) 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* DBSYMTAB */
|