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lingo-code.cpp
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lingo-code.cpp
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
// Heavily inspired by hoc
// Copyright (C) AT&T 1995
// All Rights Reserved
//
// Permission to use, copy, modify, and distribute this software and
// its documentation for any purpose and without fee is hereby
// granted, provided that the above copyright notice appear in all
// copies and that both that the copyright notice and this
// permission notice and warranty disclaimer appear in supporting
// documentation, and that the name of AT&T or any of its entities
// not be used in advertising or publicity pertaining to
// distribution of the software without specific, written prior
// permission.
//
// AT&T DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
// INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
// IN NO EVENT SHALL AT&T OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
// SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
// IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
// ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
// THIS SOFTWARE.
#include "director/director.h"
#include "director/cast.h"
#include "director/score.h"
#include "director/util.h"
#include "director/lingo/lingo.h"
#include "director/lingo/lingo-builtins.h"
#include "director/lingo/lingo-code.h"
namespace Director {
static struct FuncDescr {
const inst func;
const char *name;
const char *args;
} funcDescr[] = {
{ 0, "STOP", "" },
{ LC::c_xpop, "c_xpop", "" },
{ LC::c_argcpush, "c_argcpush", "i" },
{ LC::c_argcnoretpush, "c_argcnoretpush", "i" },
{ LC::c_arraypush, "c_arraypush", "i" },
{ LC::c_proparraypush, "c_proparraypush", "i" },
{ LC::c_printtop, "c_printtop", "" },
{ LC::c_intpush, "c_intpush", "i" },
{ LC::c_voidpush, "c_voidpush", "" },
{ LC::c_floatpush, "c_floatpush", "f" },
{ LC::c_stringpush, "c_stringpush", "s" },
{ LC::c_symbolpush, "c_symbolpush", "s" }, // D3
{ LC::c_namepush, "c_namepush", "i" },
{ LC::c_varpush, "c_varpush", "s" },
{ LC::c_setImmediate, "c_setImmediate", "i" },
{ LC::c_assign, "c_assign", "" },
{ LC::c_eval, "c_eval", "s" },
{ LC::c_theentitypush, "c_theentitypush", "EF" }, // entity, field
{ LC::c_theentityassign,"c_theentityassign","EF" },
{ LC::c_objectfieldpush,"c_objectfieldpush","sF" }, // object, field
{ LC::c_objectfieldassign,"c_objectfieldassign","sF" },
{ LC::c_swap, "c_swap", "" },
{ LC::c_add, "c_add", "" },
{ LC::c_sub, "c_sub", "" },
{ LC::c_mul, "c_mul", "" },
{ LC::c_div, "c_div", "" },
{ LC::c_mod, "c_mod", "" },
{ LC::c_negate, "c_negate", "" },
{ LC::c_ampersand, "c_ampersand", "" },
{ LC::c_after, "c_after", "" }, // D3
{ LC::c_before, "c_before", "" }, // D3
{ LC::c_concat, "c_concat", "" },
{ LC::c_contains, "c_contains", "" },
{ LC::c_starts, "c_starts", "" },
{ LC::c_intersects, "c_intersects", "" },
{ LC::c_within, "c_within", "" },
{ LC::c_of, "c_of", "" },
{ LC::c_charOf, "c_charOf", "" }, // D3
{ LC::c_charToOf, "c_charToOf", "" }, // D3
{ LC::c_itemOf, "c_itemOf", "" }, // D3
{ LC::c_itemToOf, "c_itemToOf", "" }, // D3
{ LC::c_lineOf, "c_lineOf", "" }, // D3
{ LC::c_lineToOf, "c_lineToOf", "" }, // D3
{ LC::c_wordOf, "c_wordOf", "" }, // D3
{ LC::c_wordToOf, "c_wordToOf", "" }, // D3
{ LC::c_and, "c_and", "" },
{ LC::c_or, "c_or", "" },
{ LC::c_not, "c_not", "" },
{ LC::c_eq, "c_eq", "" },
{ LC::c_neq, "c_neq", "" },
{ LC::c_gt, "c_gt", "" },
{ LC::c_lt, "c_lt", "" },
{ LC::c_ge, "c_ge", "" },
{ LC::c_le, "c_le", "" },
{ LC::c_jump, "c_jump", "i" },
{ LC::c_jumpifz, "c_jumpifz", "i" },
{ LC::c_repeatwhilecode,"c_repeatwhilecode","oo" },
{ LC::c_repeatwithcode, "c_repeatwithcode", "ooooos" },
{ LC::c_exitRepeat, "c_exitRepeat", "" },
{ LC::c_ifcode, "c_ifcode", "oooi" },
{ LC::c_tellcode, "c_tellcode", "o" },
{ LC::c_tell, "c_tell", "" },
{ LC::c_telldone, "c_telldone", "" },
{ LC::c_whencode, "c_whencode", "os" },
{ LC::c_goto, "c_goto", "" },
{ LC::c_gotoloop, "c_gotoloop", "" },
{ LC::c_gotonext, "c_gotonext", "" },
{ LC::c_gotoprevious, "c_gotoprevious", "" },
{ LC::c_play, "c_play", "" },
{ LC::c_playdone, "c_playdone", "" },
{ LC::c_call, "c_call", "si" },
{ LC::c_procret, "c_procret", "" },
{ LC::c_global, "c_global", "s" },
{ LC::c_property, "c_property", "s" },
{ LC::c_instance, "c_instance", "s" },
{ LC::c_open, "c_open", "" },
{ LC::c_hilite, "c_hilite", "" },
{ LC::c_unk, "c_unk", "i" },
{ LC::c_unk1, "c_unk1", "ii" },
{ LC::c_unk2, "c_unk2", "iii" },
{ LC::cb_call, "cb_call", "i" },
{ LC::cb_field, "cb_field", "" },
{ LC::cb_localcall, "cb_localcall", "i" },
{ LC::cb_v4putvalue, "cb_putvalue", "i" },
{ LC::cb_v4theentitypush,"cb_v4theentitypush","i" },
{ LC::cb_v4theentitynamepush,"cb_v4theentitynamepush","i" },
{ LC::cb_v4theentityassign,"cb_v4theentityassign","i" },
{ 0, 0, 0 }
};
void Lingo::initFuncs() {
Symbol sym;
for (FuncDescr *fnc = funcDescr; fnc->name; fnc++) {
sym.u.func = fnc->func;
_functions[(void *)sym.u.s] = new FuncDesc(fnc->name, fnc->args);
}
}
void Lingo::push(Datum d) {
_stack.push_back(d);
}
void Lingo::pushVoid() {
Datum d;
d.u.s = NULL;
d.type = VOID;
push(d);
}
Datum Lingo::pop(void) {
assert (_stack.size() != 0);
Datum ret = _stack.back();
_stack.pop_back();
return ret;
}
void LC::c_xpop() {
g_lingo->pop();
}
void LC::c_printtop(void) {
Datum d = g_lingo->pop();
switch (d.type) {
case VOID:
warning("Void, came from %s", d.u.s ? d.u.s->c_str() : "<>");
break;
case INT:
warning("%d", d.u.i);
break;
case FLOAT:
warning(g_lingo->_floatPrecisionFormat.c_str(), d.u.f);
break;
case VAR:
if (!d.u.sym) {
warning("Inconsistent stack: var, val: %d", d.u.i);
} else {
if (!d.u.sym->name.empty())
warning("var: %s", d.u.sym->name.c_str());
else
warning("Nameless var. val: %d", d.u.sym->u.i);
}
break;
case STRING:
warning("%s", d.u.s->c_str());
break;
case POINT:
warning("point(%d, %d)", (int)((*d.u.farr)[0]), (int)((*d.u.farr)[1]));
break;
case SYMBOL:
warning("%s", d.type2str(true));
break;
case OBJECT:
warning("#%s", d.u.s->c_str());
break;
default:
warning("--unknown--");
}
}
void LC::c_intpush() {
Datum d;
d.u.i = g_lingo->readInt();
d.type = INT;
g_lingo->push(d);
}
void LC::c_voidpush() {
Datum d;
d.u.s = NULL;
d.type = VOID;
g_lingo->push(d);
}
void LC::c_floatpush() {
Datum d;
d.u.f = g_lingo->readFloat();
d.type = FLOAT;
g_lingo->push(d);
}
void LC::c_stringpush() {
char *s = g_lingo->readString();
g_lingo->push(Datum(new Common::String(s)));
}
void LC::c_symbolpush() {
char *s = g_lingo->readString();
warning("STUB: c_symbolpush()");
// TODO: FIXME: Must push symbol instead of string
g_lingo->push(Datum(new Common::String(s)));
}
void LC::c_namepush() {
Datum d;
int i = g_lingo->readInt();
g_lingo->push(Datum(new Common::String(g_lingo->_namelist[i])));
}
void LC::c_argcpush() {
Datum d;
int argsSize = g_lingo->readInt();
d.u.i = argsSize;
d.type = ARGC;
g_lingo->push(d);
}
void LC::c_argcnoretpush() {
Datum d;
int argsSize = g_lingo->readInt();
d.u.i = argsSize;
d.type = ARGCNORET;
g_lingo->push(d);
}
void LC::c_arraypush() {
Datum d;
int arraySize = g_lingo->readInt();
warning("STUB: c_arraypush()");
for (int i = 0; i < arraySize; i++)
g_lingo->pop();
d.u.i = arraySize;
d.type = INT;
g_lingo->push(d);
}
void LC::c_proparraypush() {
Datum d;
int arraySize = g_lingo->readInt();
warning("STUB: c_proparraypush()");
for (int i = 0; i < arraySize * 2; i++)
g_lingo->pop();
d.u.i = arraySize;
d.type = INT;
g_lingo->push(d);
}
void LC::c_varpush() {
Common::String name(g_lingo->readString());
Datum d;
// In immediate mode we will push variables as strings
// This is used for playAccel
if (g_lingo->_immediateMode) {
g_lingo->push(Datum(new Common::String(name)));
return;
}
if (name.equalsIgnoreCase("me")) {
warning("c_varpush: ME");
}
if (g_lingo->getHandler(name) != NULL) {
d.type = HANDLER;
d.u.s = new Common::String(name);
g_lingo->push(d);
return;
}
d.u.sym = g_lingo->lookupVar(name.c_str());
if (d.u.sym->type == CASTREF) {
d.type = INT;
int val = d.u.sym->u.i;
delete d.u.sym;
d.u.i = val;
} else {
d.type = VAR;
}
g_lingo->push(d);
}
void LC::c_setImmediate() {
g_lingo->_immediateMode = g_lingo->readInt();
}
void LC::c_assign() {
Datum d1, d2;
d1 = g_lingo->pop();
d2 = g_lingo->pop();
if (d1.type != VAR && d1.type != REFERENCE) {
warning("assignment to non-variable");
return;
}
if (d1.type == REFERENCE) {
Score *score = g_director->getCurrentScore();
if (!score->_loadedCast->contains(d1.u.i)) {
if (!score->_loadedCast->contains(d1.u.i - score->_castIDoffset)) {
warning("c_assign: Unknown REFERENCE %d", d1.u.i);
g_lingo->pushVoid();
return;
} else {
d1.u.i -= score->_castIDoffset;
}
}
d2.toString();
((TextCast *)score->_loadedCast->getVal(d1.u.i))->setText(d2.u.s->c_str());
return;
}
if (d1.u.sym->type != INT && d1.u.sym->type != VOID &&
d1.u.sym->type != FLOAT && d1.u.sym->type != STRING) {
warning("assignment to non-variable '%s'", d1.u.sym->name.c_str());
return;
}
if ((d1.u.sym->type == STRING || d1.u.sym->type == VOID) && d1.u.sym->u.s) // Free memory if needed
delete d1.u.sym->u.s;
if (d1.u.sym->type == POINT || d1.u.sym->type == RECT || d1.u.sym->type == ARRAY)
delete d1.u.sym->u.farr;
if (d2.type == INT) {
d1.u.sym->u.i = d2.u.i;
} else if (d2.type == FLOAT) {
d1.u.sym->u.f = d2.u.f;
} else if (d2.type == STRING) {
d1.u.sym->u.s = new Common::String(*d2.u.s);
delete d2.u.s;
} else if (d2.type == POINT) {
d1.u.sym->u.farr = new FloatArray(*d2.u.farr);
delete d2.u.farr;
} else if (d2.type == SYMBOL) {
d1.u.sym->u.i = d2.u.i;
} else if (d2.type == OBJECT) {
d1.u.sym->u.s = d2.u.s;
} else {
warning("c_assign: unhandled type: %s", d2.type2str());
d1.u.sym->u.s = d2.u.s;
}
d1.u.sym->type = d2.type;
}
bool LC::verify(Symbol *s) {
if (s->type != INT && s->type != VOID && s->type != FLOAT && s->type != STRING && s->type != POINT && s->type != SYMBOL) {
warning("attempt to evaluate non-variable '%s'", s->name.c_str());
return false;
}
if (s->type == VOID)
warning("Variable used before assigning a value '%s'", s->name.c_str());
return true;
}
void LC::c_eval() {
LC::c_varpush();
Datum d;
d = g_lingo->pop();
if (d.type == HANDLER) {
LC::call(*d.u.s, 0);
delete d.u.s;
return;
}
if (d.type != VAR) { // It could be cast ref
g_lingo->push(d);
return;
}
if (!LC::verify(d.u.sym))
return;
d.type = d.u.sym->type;
if (d.u.sym->type == INT)
d.u.i = d.u.sym->u.i;
else if (d.u.sym->type == FLOAT)
d.u.f = d.u.sym->u.f;
else if (d.u.sym->type == STRING)
d.u.s = new Common::String(*d.u.sym->u.s);
else if (d.u.sym->type == POINT)
d.u.farr = d.u.sym->u.farr;
else if (d.u.sym->type == SYMBOL)
d.u.i = d.u.sym->u.i;
else if (d.u.sym->type == VOID)
d.u.s = new Common::String(d.u.sym->name);
else
warning("c_eval: unhandled type: %s", d.type2str());
g_lingo->push(d);
}
void LC::c_theentitypush() {
Datum id = g_lingo->pop();
int entity = g_lingo->readInt();
int field = g_lingo->readInt();
Datum d = g_lingo->getTheEntity(entity, id, field);
g_lingo->push(d);
}
void LC::c_theentityassign() {
Datum id = g_lingo->pop();
int entity = g_lingo->readInt();
int field = g_lingo->readInt();
Datum d = g_lingo->pop();
g_lingo->setTheEntity(entity, id, field, d);
}
void LC::c_objectfieldpush() {
Common::String object(g_lingo->readString());
int field = g_lingo->readInt();
Datum d = g_lingo->getObjectField(object, field);
g_lingo->push(d);
}
void LC::c_objectfieldassign() {
Common::String object(g_lingo->readString());
int field = g_lingo->readInt();
Datum d = g_lingo->pop();
g_lingo->setObjectField(object, field, d);
}
void LC::c_swap() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
g_lingo->push(d2);
g_lingo->push(d1);
}
void LC::c_add() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.f += d2.u.f;
} else {
d1.u.i += d2.u.i;
}
g_lingo->push(d1);
}
void LC::c_sub() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.f -= d2.u.f;
} else {
d1.u.i -= d2.u.i;
}
g_lingo->push(d1);
}
void LC::c_mul() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.f *= d2.u.f;
} else {
d1.u.i *= d2.u.i;
}
g_lingo->push(d1);
}
void LC::c_div() {
Datum d2 = g_lingo->pop();
if ((d2.type == INT && d2.u.i == 0) ||
(d2.type == FLOAT && d2.u.f == 0.0))
error("division by zero");
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.f /= d2.u.f;
} else {
d1.u.i /= d2.u.i;
}
g_lingo->push(d1);
}
void LC::c_mod() {
Datum d2 = g_lingo->pop();
d2.toInt();
if (d2.u.i == 0)
error("division by zero");
Datum d1 = g_lingo->pop();
d1.toInt();
d1.u.i %= d2.u.i;
g_lingo->push(d1);
}
void LC::c_negate() {
Datum d = g_lingo->pop();
if (d.type == INT)
d.u.i = -d.u.i;
else if (d.type == FLOAT)
d.u.f = -d.u.f;
g_lingo->push(d);
}
void LC::c_ampersand() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
*d1.u.s += *d2.u.s;
delete d2.u.s;
g_lingo->push(d1);
}
void LC::c_after() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
warning("STUB: c_after");
delete d2.u.s;
g_lingo->push(d1);
}
void LC::c_before() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
warning("STUB: c_before");
delete d2.u.s;
g_lingo->push(d1);
}
void LC::c_concat() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
*d1.u.s += " ";
*d1.u.s += *d2.u.s;
delete d2.u.s;
g_lingo->push(d1);
}
void LC::c_contains() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
Common::String *s1 = toLowercaseMac(d1.u.s);
Common::String *s2 = toLowercaseMac(d2.u.s);
int res = s1->contains(*s2) ? 1 : 0;
delete d1.u.s;
delete d2.u.s;
delete s1;
delete s2;
d1.type = INT;
d1.u.i = res;
g_lingo->push(d1);
}
void LC::c_starts() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toString();
d2.toString();
Common::String *s1 = toLowercaseMac(d1.u.s);
Common::String *s2 = toLowercaseMac(d2.u.s);
int res = s1->hasPrefix(*s2) ? 1 : 0;
delete d1.u.s;
delete d2.u.s;
delete s1;
delete s2;
d1.type = INT;
d1.u.i = res;
g_lingo->push(d1);
}
void LC::c_intersects() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_intersects: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_within() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_within: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_of() {
Datum first_char = g_lingo->pop();
Datum last_char = g_lingo->pop();
Datum first_word = g_lingo->pop();
Datum last_word = g_lingo->pop();
Datum first_item = g_lingo->pop();
Datum last_item = g_lingo->pop();
Datum first_line = g_lingo->pop();
Datum last_line = g_lingo->pop();
Datum target = g_lingo->pop();
warning("STUB: c_of: %d %d %d %d %d %d %d %d %s",
first_char.u.i, last_char.u.i, first_word.u.i, last_word.u.i,
first_item.u.i, last_item.u.i, first_line.u.i, last_line.u.i,
target.u.s->c_str());
g_lingo->push(target);
}
void LC::c_charOf() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_charOf: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_charToOf() {
Datum d3 = g_lingo->pop();
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_charToOf: %d %d %d", d1.u.i, d2.u.i, d3.u.i);
g_lingo->push(d1);
}
void LC::c_itemOf() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_itemOf: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_itemToOf() {
Datum d3 = g_lingo->pop();
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_itemToOf: %d %d %d", d1.u.i, d2.u.i, d3.u.i);
g_lingo->push(d1);
}
void LC::c_lineOf() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_lineOf: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_lineToOf() {
Datum d3 = g_lingo->pop();
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_lineToOf: %d %d %d", d1.u.i, d2.u.i, d3.u.i);
g_lingo->push(d1);
}
void LC::c_wordOf() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_wordOf: %d %d", d1.u.i, d2.u.i);
g_lingo->push(d1);
}
void LC::c_wordToOf() {
Datum d3 = g_lingo->pop();
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
warning("STUB: c_wordToOf: %d %d %d", d1.u.i, d2.u.i, d3.u.i);
g_lingo->push(d1);
}
void LC::c_and() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toInt();
d2.toInt();
d1.u.i = (d1.u.i && d2.u.i) ? 1 : 0;
g_lingo->push(d1);
}
void LC::c_or() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
d1.toInt();
d2.toInt();
d1.u.i = (d1.u.i || d2.u.i) ? 1 : 0;
g_lingo->push(d1);
}
void LC::c_not() {
Datum d = g_lingo->pop();
d.toInt();
d.u.i = ~d.u.i ? 1 : 0;
g_lingo->push(d);
}
void LC::c_eq() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (d1.type == STRING && d2.type == STRING) {
d1.u.i = (d1.u.s->equalsIgnoreCase(*d2.u.s)) ? 1 : 0;
d1.type = INT;
} else if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f == d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i == d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_neq() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (d1.type == STRING && d2.type == STRING) {
d1.u.i = !(d1.u.s->equalsIgnoreCase(*d2.u.s)) ? 1 : 0;
d1.type = INT;
} else if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f != d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i != d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_gt() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f > d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i > d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_lt() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f < d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i < d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_ge() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f >= d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i >= d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_le() {
Datum d2 = g_lingo->pop();
Datum d1 = g_lingo->pop();
if (g_lingo->alignTypes(d1, d2) == FLOAT) {
d1.u.i = (d1.u.f <= d2.u.f) ? 1 : 0;
d1.type = INT;
} else {
d1.u.i = (d1.u.i <= d2.u.i) ? 1 : 0;
}
g_lingo->push(d1);
}
void LC::c_jump() {
uint jump = g_lingo->readInt();
g_lingo->_pc = jump;
}
void LC::c_jumpifz() {
uint jump = g_lingo->readInt();
Datum test = g_lingo->pop();
test.toInt();
if (test.u.i == 0) {
g_lingo->_pc = jump;
}
}
void LC::c_repeatwhilecode(void) {
Datum d;
int savepc = g_lingo->_pc;
uint body = g_lingo->getInt(savepc);
uint end = g_lingo->getInt(savepc + 1);
g_lingo->execute(savepc + 2); /* condition */
d = g_lingo->pop();
d.toInt();
while (d.u.i) {
g_lingo->execute(body + savepc - 1); /* body */
if (g_lingo->_returning)
break;
if (g_lingo->_exitRepeat) {
g_lingo->_exitRepeat = false;
break;
}
g_lingo->execute(savepc + 2); /* condition */
d = g_lingo->pop();
d.toInt();
}
if (!g_lingo->_returning)
g_lingo->_pc = end + savepc - 1; /* next stmt */
}
void LC::c_repeatwithcode(void) {
Datum d;
int savepc = g_lingo->_pc;
uint init = g_lingo->getInt(savepc);
uint finish = g_lingo->getInt(savepc + 1);
uint body = g_lingo->getInt(savepc + 2);
int inc = (int32)g_lingo->getInt(savepc + 3);
uint end = g_lingo->getInt(savepc + 4);
Common::String countername((char *)&(*g_lingo->_currentScript)[savepc + 5]);
Symbol *counter = g_lingo->lookupVar(countername.c_str());
if (counter->type == CASTREF) {
error("Cast ref used as index: %s", countername.c_str());
}
g_lingo->execute(init + savepc - 1); /* condition */
d = g_lingo->pop();
d.toInt();
counter->u.i = d.u.i;
counter->type = INT;
while (true) {
g_lingo->execute(body + savepc - 1); /* body */
if (g_lingo->_returning)
break;
if (g_lingo->_exitRepeat) {
g_lingo->_exitRepeat = false;
break;