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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
// 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 "common/str.h"
#include "private/grammar.h"
#include "private/private.h"
#include "private/tokens.h"
namespace Private {
void SymbolMaps::defineSymbol(const char *n, Common::Rect *r) {
Common::String s(n);
stringToDefine.push(s);
rectToDefine.push(r);
}
/*
static void showSymbol(const Symbol *s) {
if (s->type == NUM)
debugC(1, kPrivateDebugCode, "%s %d",s->name->c_str(), s->u.val);
else if (s->type == STRING)
debugC(1, kPrivateDebugCode, "%s %s", s->name->c_str(), s->u.str);
else if (s->type == NAME)
debugC(1, kPrivateDebugCode, "%s %d",s->name->c_str(), s->type);
else
debugC(1, kPrivateDebugCode, "%s %d", s->name->c_str(), s->type);
}
*/
void setSymbol(Symbol *s, int v) {
s->u.val = v;
}
/* find s in symbol table symlist */
static Symbol *lookup(const Common::String &s, const SymbolMap &symlist) {
Symbol *r = symlist.getVal(s);
return r;
}
/* install some symbol s in a symbol table */
static Symbol *install(const Common::String &n, int t, int d, const char *s, Common::Rect *r, SymbolMap *symlist) {
Symbol *sp;
sp = (Symbol *)malloc(sizeof(Symbol));
sp->name = new Common::String(n);
sp->type = t;
if (t == NUM) {
sp->u.val = d;
//debug("install NUM: %s %d", name->c_str(), d);
} else if (t == NAME) {
sp->u.val = d;
//debug("installing NAME: %s %d", name->c_str(), d);
} else if (t == STRING)
sp->u.str = scumm_strdup(s); // FIXME: leaks a string here.
else if (t == RECT)
sp->u.rect = r;
else
assert(0);
symlist->setVal(n, sp);
assert(symlist->size() > 0);
return sp;
}
/* lookup some name in some symbol table */
Symbol *SymbolMaps::lookupRect(Common::String *n) {
assert(rects.contains(*n));
return lookup(*n, rects);
}
Symbol *SymbolMaps::lookupVariable(Common::String *n) {
assert(variables.contains(*n));
return lookup(*n, variables);
}
Symbol *SymbolMaps::lookupLocation(Common::String *n) {
assert(locations.contains(*n));
return lookup(*n, locations);
}
/* lookup some name in some symbol table */
Symbol *SymbolMaps::lookupName(const char *n) {
Symbol *s = (Symbol *)malloc(sizeof(Symbol));
Common::String *name = new Common::String(n);
s->name = name;
s->type = NAME;
s->u.val = 0;
return s;
}
void SymbolMaps::installAll(const char *n) {
assert(stringToDefine.size() > 0);
while (!stringToDefine.empty()) {
Common::String s = stringToDefine.pop();
Common::Rect *r = rectToDefine.pop();
//debug("name %s", s.c_str());
if (strcmp(n, "settings") == 0) {
//debug("new setting %s", n);
assert(r == nullptr);
install(s, NAME, 0, s.c_str(), r, &settings);
} else if (strcmp(n, "variables") == 0) {
assert(r == nullptr);
install(s, NAME, 0, nullptr, r, &variables);
variableList.push_front(s);
} else if (strcmp(n, "cursors") == 0) {
assert(r == nullptr);
install(s, NAME, 0, nullptr, r, &cursors);
} else if (strcmp(n, "locations") == 0) {
assert(r == nullptr);
install(s, NAME, 0, nullptr, r, &locations);
locationList.push_front(s);
} else if (strcmp(n, "rects") == 0) {
assert(r != nullptr);
install(s, RECT, 0, nullptr, r, &rects);
} else
error("invalid symbol type");
}
}
Symbol *SymbolMaps::constant(int t, int d, const char *s) {
Symbol *sp;
Common::String *n = new Common::String("<constant>");
sp = (Symbol *)malloc(sizeof(Symbol));
sp->name = n;
sp->type = t;
if (t == NUM || t == NAME)
sp->u.val = d;
else if (t == STRING)
sp->u.str = s;
else
assert(0);
constants.push_front(sp);
return sp;
}
} // End of namespace Private
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