849 lines
15 KiB
C
849 lines
15 KiB
C
/* $Header$ */
|
|
|
|
#include <stdio.h>
|
|
#include <varargs.h>
|
|
#include <assert.h>
|
|
#include <alloc.h>
|
|
#include <out.h>
|
|
|
|
#include "operator.h"
|
|
#include "position.h"
|
|
#include "file.h"
|
|
#include "idf.h"
|
|
#include "tree.h"
|
|
#include "message.h"
|
|
#include "scope.h"
|
|
#include "symbol.h"
|
|
#include "langdep.h"
|
|
#include "type.h"
|
|
#include "expr.h"
|
|
|
|
extern FILE *db_out;
|
|
t_lineno currline;
|
|
static t_lineno listline;
|
|
extern long pointer_size;
|
|
extern char *strrindex();
|
|
extern int interrupted;
|
|
extern int stop_reason;
|
|
|
|
p_tree print_command;
|
|
|
|
static int wsize = 10;
|
|
|
|
/*VARARGS1*/
|
|
p_tree
|
|
mknode(va_alist)
|
|
va_dcl
|
|
{
|
|
va_list ap;
|
|
register p_tree p = new_tree();
|
|
|
|
va_start(ap);
|
|
{
|
|
register int i, na;
|
|
|
|
p->t_oper = va_arg(ap, int);
|
|
switch(p->t_oper) {
|
|
case OP_NAME:
|
|
case OP_HELP:
|
|
p->t_idf = va_arg(ap, struct idf *);
|
|
p->t_str = va_arg(ap, char *);
|
|
break;
|
|
case OP_STRING:
|
|
p->t_sval = va_arg(ap, char *);
|
|
break;
|
|
case OP_REAL:
|
|
p->t_fval = va_arg(ap, double);
|
|
break;
|
|
case OP_AT:
|
|
p->t_lino = va_arg(ap, long);
|
|
p->t_filename = va_arg(ap, char *);
|
|
break;
|
|
case OP_INTEGER:
|
|
p->t_ival = va_arg(ap, long);
|
|
break;
|
|
default:
|
|
na = nargs(p->t_oper);
|
|
assert(na <= MAXARGS);
|
|
for (i = 0; i < na; i++) {
|
|
p->t_args[i] = va_arg(ap, p_tree);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
va_end(ap);
|
|
return p;
|
|
}
|
|
|
|
freenode(p)
|
|
register p_tree p;
|
|
{
|
|
register int na, i;
|
|
|
|
if (! p) return;
|
|
na = nargs(p->t_oper);
|
|
assert(na <= MAXARGS);
|
|
for (i = 0; i < na; i++) {
|
|
freenode(p->t_args[i]);
|
|
}
|
|
free_tree(p);
|
|
}
|
|
|
|
static t_addr
|
|
get_addr_from_node(p)
|
|
p_tree p;
|
|
{
|
|
t_addr a = ILL_ADDR;
|
|
register p_symbol sym;
|
|
|
|
if (! p) return NO_ADDR;
|
|
if (p->t_address != 0) return p->t_address;
|
|
switch(p->t_oper) {
|
|
case OP_AT:
|
|
if (! p->t_filename &&
|
|
(! listfile || ! (p->t_filename = listfile->sy_idf->id_text))) {
|
|
error("no current file");
|
|
break;
|
|
}
|
|
a = get_addr_from_position(&(p->t_pos));
|
|
if (a == ILL_ADDR) {
|
|
error("could not determine address of \"%s\":%d",
|
|
p->t_filename, p->t_lino);
|
|
break;
|
|
}
|
|
p->t_address = a;
|
|
break;
|
|
|
|
case OP_IN:
|
|
a = get_addr_from_node(p->t_args[0]);
|
|
|
|
if (p->t_args[1]) {
|
|
p_scope sc;
|
|
|
|
a = get_addr_from_node(p->t_args[1]);
|
|
sc = base_scope(get_scope_from_addr(a));
|
|
sym = identify(p->t_args[0], FUNCTION|PROC|MODULE);
|
|
if (! sym->sy_name.nm_scope ||
|
|
! sym->sy_name.nm_scope->sc_bp_opp) {
|
|
error("could not determine address of \"%s\"", p->t_str);
|
|
a = ILL_ADDR;
|
|
break;
|
|
}
|
|
if (sc->sc_definedby != sym) {
|
|
error("inconsistent address");
|
|
a = ILL_ADDR;
|
|
break;
|
|
}
|
|
}
|
|
p->t_address = a;
|
|
break;
|
|
|
|
case OP_NAME:
|
|
case OP_SELECT:
|
|
sym = identify(p, FUNCTION|PROC|MODULE);
|
|
if (! sym) {
|
|
break;
|
|
}
|
|
if (! sym->sy_name.nm_scope || ! sym->sy_name.nm_scope->sc_bp_opp) {
|
|
error("could not determine address of \"%s\"", p->t_str);
|
|
break;
|
|
}
|
|
a = sym->sy_name.nm_scope->sc_bp_opp;
|
|
break;
|
|
|
|
default:
|
|
assert(0);
|
|
}
|
|
return a;
|
|
}
|
|
|
|
print_node(p, top_level)
|
|
register p_tree p;
|
|
{
|
|
if (!p) return;
|
|
switch(p->t_oper) {
|
|
case OP_LIST:
|
|
fputs("list ", db_out);
|
|
if (p->t_args[0]) {
|
|
print_node(p->t_args[0], 0);
|
|
if (p->t_args[1]) {
|
|
if (p->t_args[1]->t_ival >= 0) {
|
|
fputs(", ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
}
|
|
else {
|
|
if (p->t_args[1]->t_ival < -100000000) {
|
|
fputs("-", db_out);
|
|
}
|
|
else print_node(p->t_args[1], 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case OP_PRINT:
|
|
fputs("print ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_ENABLE:
|
|
fputs("enable ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_DISABLE:
|
|
fputs("disable ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_DISPLAY:
|
|
fputs("display ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_LINK:
|
|
print_node(p->t_args[0], 0);
|
|
fputs(", ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
break;
|
|
case OP_FILE:
|
|
fputs("file ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_SET:
|
|
fputs("set ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
fputs(" to ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
break;
|
|
case OP_FIND:
|
|
fputs("find ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_WHICH:
|
|
fputs("which ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_DELETE:
|
|
fputs("delete ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_REGS:
|
|
fputs("regs ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_NEXT:
|
|
fputs("next ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_STEP:
|
|
fputs("step ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_STATUS:
|
|
fputs("status", db_out);
|
|
break;
|
|
case OP_DUMP:
|
|
fputs("dump ", db_out);
|
|
print_position(p->t_address, 1);
|
|
break;
|
|
case OP_RESTORE:
|
|
fputs("restore ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_WHERE:
|
|
fputs("where ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_HELP:
|
|
fputs("help ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
break;
|
|
case OP_CONT:
|
|
fputs("cont", db_out);
|
|
if (p->t_args[0]) {
|
|
fprintf(db_out, " %ld", p->t_args[0]->t_ival);
|
|
}
|
|
if (p->t_args[1]) {
|
|
fputs(" ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
}
|
|
break;
|
|
|
|
case OP_WHEN:
|
|
fputs("when ", db_out);
|
|
if (p->t_address != NO_ADDR) {
|
|
print_position(p->t_address, 1);
|
|
}
|
|
else print_node(p->t_args[0], 0);
|
|
if (p->t_args[1]) {
|
|
fputs(" if ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
}
|
|
p = p->t_args[2];
|
|
fputs(" { ", db_out);
|
|
while (p && p->t_oper == OP_LINK) {
|
|
print_node(p->t_args[0], 0);
|
|
fputs("; ", db_out);
|
|
p = p->t_args[1];
|
|
}
|
|
print_node(p, 0);
|
|
fputs(" }", db_out);
|
|
break;
|
|
case OP_STOP:
|
|
fputs("stop ", db_out);
|
|
if (p->t_address != NO_ADDR) {
|
|
print_position(p->t_address, 1);
|
|
}
|
|
else print_node(p->t_args[0], 0);
|
|
if (p->t_args[1]) {
|
|
fputs(" if ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
}
|
|
break;
|
|
case OP_TRACE:
|
|
fputs("trace ", db_out);
|
|
if (p->t_args[2]) {
|
|
fputs("on ", db_out);
|
|
print_node(p->t_args[2], 0);
|
|
fputs(" ", db_out);
|
|
}
|
|
if (p->t_address != NO_ADDR) {
|
|
print_position(p->t_address, 1);
|
|
}
|
|
else print_node(p->t_args[0], 0);
|
|
if (p->t_args[1]) {
|
|
fputs(" if ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
}
|
|
break;
|
|
case OP_AT:
|
|
fprintf(db_out, "at \"%s\":%ld", p->t_filename, p->t_lino);
|
|
break;
|
|
case OP_IN:
|
|
fputs("in ", db_out);
|
|
print_node(p->t_args[0], 0);
|
|
fputs(" ", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
break;
|
|
case OP_SELECT:
|
|
print_node(p->t_args[0], 0);
|
|
fputs("`", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
break;
|
|
case OP_NAME:
|
|
fputs(p->t_str, db_out);
|
|
break;
|
|
case OP_INTEGER:
|
|
fprintf(db_out, currlang->decint_fmt, p->t_ival);
|
|
break;
|
|
case OP_STRING:
|
|
(*currlang->printstring)(p->t_sval, strlen(p->t_sval));
|
|
break;
|
|
case OP_REAL:
|
|
fprintf(db_out, currlang->real_fmt, p->t_fval);
|
|
break;
|
|
case OP_FORMAT:
|
|
print_node(p->t_args[0], 0);
|
|
fputs("\\", db_out);
|
|
print_node(p->t_args[1], 0);
|
|
break;
|
|
case OP_UNOP:
|
|
case OP_BINOP:
|
|
(*currlang->printop)(p);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
if (top_level) fputs("\n", db_out);
|
|
}
|
|
|
|
int
|
|
repeatable(com)
|
|
p_tree com;
|
|
{
|
|
switch(com->t_oper) {
|
|
case OP_CONT:
|
|
com->t_args[0]->t_ival = 1;
|
|
freenode(com->t_args[1]);
|
|
com->t_args[1] = 0;
|
|
return 1;
|
|
case OP_NEXT:
|
|
case OP_STEP:
|
|
freenode(com->t_args[0]);
|
|
com->t_args[0] = 0;
|
|
return 1;
|
|
case OP_LIST:
|
|
freenode(com->t_args[0]);
|
|
com->t_args[0] = 0;
|
|
freenode(com->t_args[1]);
|
|
com->t_args[1] = 0;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
in_status(com)
|
|
p_tree com;
|
|
{
|
|
switch(com->t_oper) {
|
|
case OP_STOP:
|
|
case OP_WHEN:
|
|
case OP_TRACE:
|
|
case OP_DUMP:
|
|
case OP_DISPLAY:
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
eval(p)
|
|
p_tree p;
|
|
{
|
|
if (p && operators[p->t_oper].op_fun) (*operators[p->t_oper].op_fun)(p);
|
|
}
|
|
|
|
do_list(p)
|
|
p_tree p;
|
|
{
|
|
int l1, l2;
|
|
|
|
if (p->t_args[1]) {
|
|
l2 = p->t_args[1]->t_ival;
|
|
if (l2 >= 0) {
|
|
if (l2 == 0) l2 = 1;
|
|
wsize = l2;
|
|
}
|
|
}
|
|
else l2 = wsize;
|
|
|
|
if (! p->t_args[0]) {
|
|
l1 = listline;
|
|
if (! l1) {
|
|
listline = currline - (wsize/2);
|
|
l1 = listline;
|
|
}
|
|
}
|
|
else {
|
|
if (p->t_args[0]->t_oper == OP_INTEGER) {
|
|
l1 = p->t_args[0]->t_ival;
|
|
}
|
|
else {
|
|
t_addr a = get_addr_from_node(p->t_args[0]);
|
|
p_position pos;
|
|
|
|
if (a == ILL_ADDR) {
|
|
return;
|
|
}
|
|
pos = get_position_from_addr(a);
|
|
newfile(str2idf(pos->filename, 1));
|
|
l1 = pos->lineno - (l2 > 0 ? l2 : wsize)/2;
|
|
if (l1 < 1) l1 = 1;
|
|
}
|
|
}
|
|
if (listfile) {
|
|
if (l2 < 0) {
|
|
l2 = -l2;
|
|
if (l1 > l2) l2 = 1;
|
|
else l2 -= l1 - 1;
|
|
}
|
|
lines(listfile->sy_file, l1, l2);
|
|
listline = l1 + l2;
|
|
}
|
|
else error("no current file");
|
|
}
|
|
|
|
do_file(p)
|
|
p_tree p;
|
|
{
|
|
FILE *f;
|
|
|
|
if (p->t_args[0]) {
|
|
if ((f = fopen(p->t_args[0]->t_str, "r")) == NULL) {
|
|
error("could not open %s", p->t_args[0]->t_str);
|
|
return;
|
|
}
|
|
fclose(f);
|
|
newfile(p->t_args[0]->t_idf);
|
|
}
|
|
else if (listfile) fprintf(db_out, "%s\n", listfile->sy_idf->id_text);
|
|
else error("no current file");
|
|
}
|
|
|
|
newfile(id)
|
|
register struct idf *id;
|
|
{
|
|
register p_symbol sym = Lookup(id, PervasiveScope, FILESYM);
|
|
|
|
if (listfile != sym) listline = 1;
|
|
listfile = sym;
|
|
if (! listfile) {
|
|
listline = 1;
|
|
listfile = add_file(id->id_text);
|
|
listfile->sy_file->f_scope = FileScope;
|
|
}
|
|
find_language(strrindex(id->id_text, '.'));
|
|
}
|
|
|
|
setstop(p, kind)
|
|
p_tree p;
|
|
int kind;
|
|
{
|
|
t_addr a = get_addr_from_node(p->t_args[0]);
|
|
|
|
if (a == ILL_ADDR) return 0;
|
|
|
|
p->t_address = a;
|
|
if (a != NO_ADDR) {
|
|
if (! set_or_clear_breakpoint(a, kind)) {
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
do_stop(p)
|
|
p_tree p;
|
|
{
|
|
if (! setstop(p, SETBP)) {
|
|
return;
|
|
}
|
|
add_to_item_list(p);
|
|
}
|
|
|
|
settrace(p, kind)
|
|
p_tree p;
|
|
int kind;
|
|
{
|
|
t_addr a, e;
|
|
|
|
a = get_addr_from_node(p->t_args[0]);
|
|
if (a == NO_ADDR) return 1;
|
|
if (a == ILL_ADDR) return 0;
|
|
if (p->t_args[0]->t_oper == OP_AT) {
|
|
e = a;
|
|
p->t_address = a;
|
|
}
|
|
else {
|
|
p_scope sc = get_next_scope_from_addr(a+1);
|
|
|
|
if (sc) e = sc->sc_start - 1;
|
|
else e = 0xffffffff;
|
|
}
|
|
return set_or_clear_trace(a, e, kind);
|
|
}
|
|
|
|
do_trace(p)
|
|
p_tree p;
|
|
{
|
|
p->t_address = NO_ADDR;
|
|
if (! settrace(p, SETTRACE)) {
|
|
return;
|
|
}
|
|
add_to_item_list(p);
|
|
}
|
|
|
|
static
|
|
able(p, kind)
|
|
p_tree p;
|
|
int kind;
|
|
{
|
|
if (!p) {
|
|
if (stop_reason) {
|
|
able_item(stop_reason, kind);
|
|
}
|
|
else {
|
|
error("no current stopping point");
|
|
}
|
|
return;
|
|
}
|
|
switch(p->t_oper) {
|
|
case OP_LINK:
|
|
able(p->t_args[0], kind);
|
|
able(p->t_args[1], kind);
|
|
break;
|
|
case OP_INTEGER:
|
|
able_item((int)p->t_ival, kind);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
do_enable(p)
|
|
p_tree p;
|
|
{
|
|
able(p->t_args[0], 0);
|
|
}
|
|
|
|
do_disable(p)
|
|
p_tree p;
|
|
{
|
|
able(p->t_args[0], 1);
|
|
}
|
|
|
|
do_continue(p)
|
|
p_tree p;
|
|
{
|
|
int count;
|
|
|
|
if (p) {
|
|
count = p->t_args[0]->t_ival;
|
|
if (p->t_args[1]) {
|
|
t_addr a = get_addr_from_position(&(p->t_args[1]->t_pos));
|
|
p_scope sc = get_scope_from_addr(a);
|
|
|
|
if (a == ILL_ADDR || base_scope(sc) != base_scope(CurrentScope)) {
|
|
error("cannot continue at line %d",
|
|
p->t_args[1]->t_lino);
|
|
return;
|
|
}
|
|
if (! set_pc(a)) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else count = 1;
|
|
while (count--) {
|
|
if (! send_cont(count==0)) {
|
|
break;
|
|
}
|
|
}
|
|
if (count > 0) {
|
|
fprintf(db_out, "Only %d breakpoints skipped\n",
|
|
p->t_args[0]->t_ival - count);
|
|
}
|
|
}
|
|
|
|
do_step(p)
|
|
p_tree p;
|
|
{
|
|
p = p->t_args[0];
|
|
if (! do_single_step(SETSS, p ? p->t_ival : 1L)) {
|
|
}
|
|
}
|
|
|
|
do_next(p)
|
|
p_tree p;
|
|
{
|
|
p = p->t_args[0];
|
|
if (! do_single_step(SETSSF, p? p->t_ival : 1L)) {
|
|
}
|
|
}
|
|
|
|
extern t_addr *get_EM_regs();
|
|
|
|
do_regs(p)
|
|
p_tree p;
|
|
{
|
|
t_addr *buf;
|
|
int n = 0;
|
|
|
|
p = p->t_args[0];
|
|
if (p) n = p->t_ival;
|
|
if (! (buf = get_EM_regs(n))) {
|
|
return;
|
|
}
|
|
fprintf(db_out, "EM registers %d levels back:\n", n);
|
|
fprintf(db_out, "\tLocalBase =\t0x%lx\n\tArgumentBase =\t0x%lx\n",
|
|
(long) buf[LB_OFF], (long) buf[AB_OFF]);
|
|
fprintf(db_out, "\tProgramCounter=\t0x%lx\n\tHeapPointer = \t0x%lx\n",
|
|
(long) buf[PC_OFF],
|
|
(long) buf[HP_OFF]);
|
|
fprintf(db_out, "\tStackPointer =\t0x%lx\n", (long) buf[SP_OFF]);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
do_where(p)
|
|
p_tree p;
|
|
{
|
|
int i = 0;
|
|
unsigned int cnt;
|
|
unsigned int maxcnt = 0xffff;
|
|
p_scope sc;
|
|
t_addr *buf;
|
|
t_addr PC;
|
|
|
|
p = p->t_args[0];
|
|
if (p && p->t_ival < 0) {
|
|
for (;;) {
|
|
buf = get_EM_regs(i++);
|
|
if (! buf || ! buf[AB_OFF]) break;
|
|
PC = buf[PC_OFF];
|
|
sc = base_scope(get_scope_from_addr(PC));
|
|
if (! sc || sc->sc_start > PC) break;
|
|
if (interrupted) return;
|
|
}
|
|
i--;
|
|
maxcnt = - p->t_ival;
|
|
i -= maxcnt;
|
|
if (i < 0) i = 0;
|
|
}
|
|
else if (p) maxcnt = p->t_ival;
|
|
for (cnt = maxcnt; cnt != 0; cnt--) {
|
|
t_addr AB;
|
|
|
|
if (interrupted) return;
|
|
if (! (buf = get_EM_regs(i++))) break;
|
|
AB = buf[AB_OFF];
|
|
PC = buf[PC_OFF];
|
|
if (! AB) break;
|
|
sc = base_scope(get_scope_from_addr(PC));
|
|
if (! sc || sc->sc_start > PC) break;
|
|
fprintf(db_out, "%s(", sc->sc_definedby->sy_idf->id_text);
|
|
print_params(sc->sc_definedby->sy_type, AB, has_static_link(sc));
|
|
fputs(") ", db_out);
|
|
print_position(PC, 0);
|
|
fputs("\n", db_out);
|
|
}
|
|
}
|
|
|
|
extern p_tree remove_from_item_list();
|
|
|
|
do_delete(p)
|
|
p_tree p;
|
|
{
|
|
switch(p->t_oper) {
|
|
case OP_DELETE:
|
|
if (! p->t_args[0]) {
|
|
if (stop_reason) {
|
|
remove_from_item_list(stop_reason);
|
|
stop_reason = 0;
|
|
}
|
|
else {
|
|
error("no current stopping point");
|
|
}
|
|
}
|
|
else do_delete(p->t_args[0]);
|
|
break;
|
|
case OP_LINK:
|
|
do_delete(p->t_args[0]);
|
|
do_delete(p->t_args[1]);
|
|
break;
|
|
case OP_INTEGER:
|
|
p = remove_from_item_list((int) p->t_ival);
|
|
|
|
if (p) switch(p->t_oper) {
|
|
case OP_WHEN:
|
|
case OP_STOP:
|
|
setstop(p, CLRBP);
|
|
break;
|
|
case OP_TRACE:
|
|
settrace(p, CLRTRACE);
|
|
break;
|
|
case OP_DUMP:
|
|
free_dump(p);
|
|
}
|
|
freenode(p);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
do_print(p)
|
|
p_tree p;
|
|
{
|
|
char *buf = 0;
|
|
char *format = 0;
|
|
long size;
|
|
p_type tp;
|
|
|
|
switch(p->t_oper) {
|
|
case OP_PRINT:
|
|
if (p->t_args[0] == 0) {
|
|
p = print_command;
|
|
if (p == 0) {
|
|
error("no previous print command");
|
|
break;
|
|
}
|
|
}
|
|
else if (p != print_command) {
|
|
/* freenode(print_command); No, could be in when-list */
|
|
print_command = p;
|
|
}
|
|
/* fall through */
|
|
case OP_DISPLAY:
|
|
do_print(p->t_args[0]);
|
|
break;
|
|
case OP_LINK:
|
|
do_print(p->t_args[0]);
|
|
do_print(p->t_args[1]);
|
|
break;
|
|
default:
|
|
if (interrupted || ! eval_expr(p, &buf, &size, &tp)) return;
|
|
print_node(p, 0);
|
|
fputs(" = ", db_out);
|
|
if (p->t_oper == OP_FORMAT) {
|
|
format = p->t_args[1]->t_str;
|
|
}
|
|
print_val(tp, size, buf, 0, 0, format);
|
|
if (buf) free(buf);
|
|
fputs("\n", db_out);
|
|
break;
|
|
}
|
|
}
|
|
|
|
do_set(p)
|
|
p_tree p;
|
|
{
|
|
char *buf = 0;
|
|
long size, size2;
|
|
p_type tp, tp2;
|
|
t_addr a;
|
|
|
|
if (interrupted || ! eval_desig(p->t_args[0], &a, &size, &tp) ||
|
|
! eval_expr(p->t_args[1], &buf, &size2, &tp2) ||
|
|
! convert(&buf, &size2, &tp2, tp, size)) {
|
|
if (buf) free(buf);
|
|
return;
|
|
}
|
|
|
|
if (interrupted) {
|
|
free(buf);
|
|
return;
|
|
}
|
|
set_bytes(size, buf, a);
|
|
free(buf);
|
|
}
|
|
|
|
perform(p, a)
|
|
register p_tree p;
|
|
t_addr a;
|
|
{
|
|
switch(p->t_oper) {
|
|
case OP_WHEN:
|
|
if (p->t_args[1] && ! eval_cond(p->t_args[1])) break;
|
|
p = p->t_args[2];
|
|
while (p && p->t_oper == OP_LINK) {
|
|
if (interrupted) return;
|
|
if (p->t_args[0]) eval(p->t_args[0]);
|
|
p = p->t_args[1];
|
|
}
|
|
if (interrupted) return;
|
|
if (p) eval(p);
|
|
break;
|
|
case OP_TRACE:
|
|
if (p->t_args[0] && p->t_args[0]->t_oper == OP_IN) {
|
|
register p_scope sc = base_scope(CurrentScope);
|
|
|
|
if (sc != get_scope_from_addr(p->t_args[0]->t_address)) {
|
|
break;
|
|
}
|
|
}
|
|
if (interrupted) return;
|
|
if (p->t_args[1] && ! eval_cond(p->t_args[1])) break;
|
|
list_position(get_position_from_addr(a));
|
|
if (p->t_args[2]) do_print(p->t_args[2]);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
list_position(pos)
|
|
p_position pos;
|
|
{
|
|
newfile(str2idf(pos->filename, 1));
|
|
currfile = listfile;
|
|
currline = pos->lineno;
|
|
lines(currfile->sy_file, (int)currline, (int)1);
|
|
listline = 0;
|
|
}
|