ack/util/grind/print.c
1990-09-12 16:13:59 +00:00

321 lines
6.8 KiB
C

/* $Header$ */
#include <alloc.h>
#include <assert.h>
#include <stdio.h>
#include "type.h"
#include "message.h"
#include "langdep.h"
#include "scope.h"
#include "symbol.h"
#include "position.h"
#include "idf.h"
extern FILE *db_out;
extern long float_size, pointer_size, int_size;
static
print_literal(tp, v)
p_type tp;
int v;
{
register struct literal *lit = tp->ty_literals;
register int i;
for (i = tp->ty_nenums; i; i--, lit++) {
if (lit->lit_val == v) {
fprintf(db_out, lit->lit_name);
break;
}
}
if (! i) {
fprintf(db_out, "unknown enumeration value %d", v);
}
}
static
print_unsigned(tp, v)
p_type tp;
long v;
{
if (tp == uchar_type) {
fprintf(db_out, currlang->char_fmt, (int) v);
}
else fprintf(db_out, currlang->uns_fmt, v);
}
static
print_integer(tp, v)
p_type tp;
long v;
{
if (tp == char_type) {
fprintf(db_out, currlang->char_fmt, (int) v);
}
else fprintf(db_out, currlang->decint_fmt, v);
}
print_params(tp, AB, static_link)
p_type tp;
t_addr AB;
{
char *param_bytes;
register char *p;
register int i;
register struct param *par;
long size;
if (! tp) return;
assert(tp->ty_class == T_PROCEDURE);
if ((i = tp->ty_nparams) == 0) return;
/* get parameter bytes */
par = tp->ty_params;
size = tp->ty_nbparams;
if (static_link) size += pointer_size;
param_bytes = p = Malloc((unsigned)size);
if (static_link) p += pointer_size;
if (! get_bytes(size, AB, param_bytes)) {
error("no debuggee");
free(param_bytes);
return;
}
while (i--) {
if (par->par_kind == 'v' || par->par_kind == 'i') {
/* call by reference parameter, or
call by value parameter, but address is passed;
try and get value.
*/
char *q;
if ((size = par->par_type->ty_size) == 0) {
size = compute_size(par->par_type, param_bytes);
}
q = Malloc((unsigned) size);
if (! get_bytes(size, (t_addr) BUFTOA(p), q)) {
fprintf(db_out, currlang->addr_fmt, BUFTOA(p));
}
else {
print_val(par->par_type, size, q, 1, 0);
}
free(q);
}
else print_val(par->par_type, par->par_type->ty_size, p, 1, 0);
if (i) fputs(", ", db_out);
p += param_size(par->par_type, par->par_kind);
par++;
}
free(param_bytes);
}
print_val(tp, tp_sz, addr, compressed, indent)
p_type tp; /* type of value to be printed */
long tp_sz; /* size of object to be printed */
char *addr; /* address to get value from */
int compressed; /* for parameter lists */
int indent; /* indentation */
{
register int i;
long elsize;
if (indent == 0) indent = 4;
switch(tp->ty_class) {
case T_SUBRANGE:
print_val(tp->ty_base, tp->ty_size, addr, compressed, indent);
break;
case T_ARRAY:
if (tp->ty_elements == char_type ||
tp->ty_elements == uchar_type) {
print_val(string_type, tp_sz, addr, compressed, indent);
break;
}
if (compressed) {
fprintf(db_out, currlang->open_array_display);
}
else {
fprintf(db_out, "\n%*c%s%*c",
indent,
' ',
currlang->open_array_display,
4-strlen(currlang->open_array_display), ' ');
}
indent += 4;
elsize = (*currlang->arrayelsize)(tp->ty_elements->ty_size);
for (i = tp_sz/elsize; i; i--) {
print_val(tp->ty_elements, tp->ty_elements->ty_size, addr, compressed, indent);
addr += elsize;
if (compressed && i > 1) {
fprintf(db_out, ", ...");
break;
}
if (i > 1) {
fputc(',', db_out);
}
fprintf(db_out, "\n%*c", i > 1 ? indent : indent - 4, ' ');
}
fprintf(db_out, currlang->close_array_display);
indent -= 4;
break;
case T_STRUCT: {
register struct fields *fld = tp->ty_fields;
if (compressed) {
fprintf(db_out, currlang->open_struct_display);
}
else {
fprintf(db_out, "\n%*c%s%*c",
indent,
' ',
currlang->open_struct_display,
4-strlen(currlang->open_struct_display), ' ');
}
indent += 4;
for (i = tp->ty_nfields; i; i--, fld++) {
long sz = fld->fld_type->ty_size;
if (! compressed) fprintf(db_out, "%s = ", fld->fld_name);
if (fld->fld_bitsize < sz << 3) {
/* apparently a bit field */
/* ??? */
fprintf(db_out, "<bitfield, %d, %ld>", fld->fld_bitsize, sz);
}
else print_val(fld->fld_type, sz, addr+(fld->fld_pos>>3), compressed, indent);
if (compressed && i > 1) {
fprintf(db_out, ", ...");
break;
}
if (i > 1) {
fputc(',', db_out);
}
fprintf(db_out, "\n%*c", i > 1 ? indent : indent - 4, ' ');
}
indent -= 4;
fprintf(db_out, currlang->close_struct_display);
break;
}
case T_UNION:
fprintf(db_out, "<union>");
break;
case T_ENUM:
print_literal(tp, tp_sz == 1
? (*addr & 0xFF)
: tp_sz == 2
? (BUFTOS(addr) & 0xFFFF)
: (int) BUFTOL(addr));
break;
case T_PROCEDURE: {
register p_scope sc = get_scope_from_addr((t_addr) BUFTOA(addr));
if (sc && sc->sc_definedby) {
fprintf(db_out, sc->sc_definedby->sy_idf->id_text);
break;
}
}
/* Fall through */
case T_POINTER:
fprintf(db_out, currlang->addr_fmt, (long) BUFTOA(addr));
break;
case T_FILE:
fprintf(db_out, "<file>");
break;
case T_SET: {
long val = tp->ty_setlow;
p_type base = tp->ty_setbase;
long nelements = tp->ty_size << 3;
int count = 0;
int rsft = 3 + (int_size == 2 ? 1 : 2);
long mask = int_size == 2 ? 0xFFFF : 0xFFFFFFFF;
if (base->ty_class == T_SUBRANGE) base = base->ty_base;
if (compressed) {
fprintf(db_out, currlang->open_set_display);
}
else {
fprintf(db_out, "\n%*c%s%*c",
indent,
' ',
currlang->open_set_display,
4-strlen(currlang->open_set_display), ' ');
}
indent += 4;
for (i = 0; i < nelements; i++) {
if (*((int *) addr + (i >> rsft)) & (1 << (i & mask))) {
count++;
if (count > 1) {
if (compressed) {
fprintf(db_out, ", ...");
break;
}
fprintf(db_out, ",\n%*c", indent , ' ');
}
switch(base->ty_class) {
case T_INTEGER:
print_integer(base, val+i);
break;
case T_UNSIGNED:
print_unsigned(base, val+i);
break;
case T_ENUM:
print_literal(base, (int)val+i);
break;
default:
assert(0);
}
}
}
if (! compressed) {
fprintf(db_out, "\n%*c", indent-4 , ' ');
}
indent -= 4;
fprintf(db_out, currlang->close_set_display);
}
break;
case T_REAL: {
double val = tp->ty_size == float_size
? BUFTOF(addr)
: BUFTOD(addr);
fprintf(db_out, currlang->real_fmt, val);
break;
}
case T_UNSIGNED:
print_unsigned(tp, tp_sz == 1
? (*addr & 0xFF)
: tp_sz == 2
? (BUFTOS(addr) & 0xFFFF)
: BUFTOL(addr));
break;
case T_INTEGER:
print_integer(tp, tp_sz == 1
? *addr
: tp_sz == 2
? BUFTOS(addr)
: BUFTOL(addr));
break;
case T_STRING:
(*currlang->printstring)(addr);
break;
default:
assert(0);
break;
}
}
int
print_sym(sym)
p_symbol sym;
{
char *buf;
long size;
if (get_value(sym, &buf, &size)) {
fputs(" = ", db_out);
print_val(sym->sy_type, size, buf, 0, 0);
if (buf) free(buf);
fputs("\n", db_out);
return 1;
}
return 0;
}