[Scummvm-cvs-logs] SF.net SVN: scummvm:[53652] scummvm/trunk/tools/sci

thebluegr at users.sourceforge.net thebluegr at users.sourceforge.net
Wed Oct 20 22:57:08 CEST 2010


Revision: 53652
          http://scummvm.svn.sourceforge.net/scummvm/?rev=53652&view=rev
Author:   thebluegr
Date:     2010-10-20 20:57:08 +0000 (Wed, 20 Oct 2010)

Log Message:
-----------
SCI tools: Removing the now obsolete old_objects tool, after discussing with lskovlun. It was supposed to be the underpinning for a VM that never materialized

Removed Paths:
-------------
    scummvm/trunk/tools/sci/old_objects.cpp
    scummvm/trunk/tools/sci/old_objects.h

Deleted: scummvm/trunk/tools/sci/old_objects.cpp
===================================================================
--- scummvm/trunk/tools/sci/old_objects.cpp	2010-10-20 20:53:32 UTC (rev 53651)
+++ scummvm/trunk/tools/sci/old_objects.cpp	2010-10-20 20:57:08 UTC (rev 53652)
@@ -1,679 +0,0 @@
-/* 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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include <sciresource.h>
-#include <console.h>
-#include <script.h>
-#include <vocabulary.h>
-#include <old_objects.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <util.h>
-#include <vm.h>
-#include <assert.h>
-
-#ifdef SCI_CONSOLE
-#define printf sciprintf
-/* Yeah, I shouldn't be doing this ;-) [CJR] */
-#endif
-
-FLEXARRAY_NOEXTRA(object*) fobjects;
-
-static int knames_count;
-static char** knames;
-static char** snames;
-static opcode* opcodes;
-
-object **object_map, *object_root;
-int max_object;
-
-const char* globals[] = {
-	/*00*/
-	"ego",
-	"GAMEID",
-	"roomXX",
-	"speed",
-	/*04*/
-	"quitFlag",
-	"cast",
-	"regions",
-	"timer",
-	/*08*/
-	"sounds",
-	"inv",
-	"eventHandler",
-	"roomNumberExit",
-	/*0C*/
-	"previousRoomNumber",
-	"roomNumber",
-	"enterDebugModeOnRoomExit",
-	"score",
-	/*10*/
-	"maximumScore",
-	"11",
-	"speed",
-	"13",
-	/*14*/
-	"14",
-	"loadCursor",
-	"normalFont",
-	"restoreSaveFont", /*dialogFont*/
-	/*18*/
-	"18",
-	"19",
-	"defaultFont",
-	"1B",
-	/*1C*/
-	"pointerToVersionNumber",
-	"locales",
-	"pointerToSaveGameDirectory",
-	"1F"
-};
-
-static int add_object(object* obj) {
-	FLEXARRAY_APPEND(object*, fobjects, obj, return 1);
-	return 0;
-}
-
-static void dump(byte* data, int len) {
-	int i = 0;
-	while (i < len) {
-		printf("%02X ", data[i++]);
-		if (i % 8 == 0) printf("   ");
-		if (i % 16 == 0) printf("\n");
-	}
-	if (i % 16) printf("\n");
-}
-
-static void printMethod(object* obj, int meth, int indent) {
-	script_method* m = obj->methods[meth];
-	int i, j;
-
-	for (j = 0; j < indent*2 - 1; j++) printf(" ");
-	printf("Method %s\n", snames[m->number]);
-
-	for (i = 0; i < m->used; i++) {
-		script_opcode op = m->data[i];
-
-		for (j = 0; j < indent; j++) printf("  ");
-		printf("%s ", opcodes[op.opcode].name);
-
-		switch (op.opcode) {
-		case 0x21: { /*callk*/
-			if (op.arg1 > knames_count) printf("<no such kernel function %02X> ", op.arg1);
-			else printf("%s ", knames[op.arg1]);
-			printf("%02X", op.arg2);
-		}
-		break;
-		case 0x28: { /*class*/
-			if (op.arg1 > max_object) printf("<no such class %02X>", op.arg1);
-			else {
-				/* [DJ] op.arg1+1 adjusts for the <root> object */
-				if (fobjects.data[op.arg1+1] == 0) printf("<null object>");
-				else printf("%s", fobjects.data[op.arg1+1]->name);
-			}
-		}
-		break;
-		case 0x44: {
-			if (op.arg1 > 0x20) printf("<no such global %02X> ", op.arg1);
-			else printf("%s ", globals[op.arg1]);
-		}
-		break;
-		default: {
-			int args[3];
-			args[0] = op.arg1;
-			args[1] = op.arg2;
-			args[2] = op.arg3;
-			for (j = 0; j < 3; j++) {
-				switch (formats[op.opcode][j]) {
-				case Script_Invalid: {
-					printf("<invalid> ");
-				}
-				break;
-				case Script_None: {
-					j = 3;
-				}
-				break;
-				case Script_SByte:
-				case Script_Byte: {
-					printf("%02X ", args[j]);
-				}
-				break;
-				case Script_Word:
-				case Script_SVariable:
-				case Script_Variable:
-				case Script_SRelative:
-				case Script_Property:
-				case Script_Global:
-				case Script_Local:
-				case Script_Temp:
-				case Script_Param: {
-					printf("%04X ", args[j]);
-				}
-				break;
-				case Script_SWord: {
-					if (args[j] < 0) printf("-%04X", -args[j]);
-					else printf("%04X", args[j]);
-				}
-				break;
-				case Script_End: {
-					printf("\n");
-					return;
-				}
-				break;
-				default: {
-					printf("<unknown arg type %d> ", formats[op.opcode][j]);
-				}
-				}
-			}
-		}
-		break;
-		}
-		printf("\n");
-	}
-}
-
-static void printObject_r(object* obj, int flags, int level) {
-	int i;
-	for (i = 0; i < level; i++) printf("  ");
-	if (obj == 0) printf("(null)\n");
-	else {
-		printf("%s\n", obj->name);
-		if (flags&SCRIPT_PRINT_METHODS) {
-			for (i = 0; i < obj->method_count; i++) {
-				printMethod(obj, i, level + 1);
-			}
-		}
-		if (flags&SCRIPT_PRINT_CHILDREN) {
-			for (i = 0; i < obj->children.used; i++) {
-				printObject_r(obj->children.data[i], flags, level + 1);
-			}
-		}
-	}
-}
-
-void printObject(object* obj, int flags) {
-	printf("pO(%p, %d)\n", obj, flags);
-	printObject_r(obj, flags, 0);
-}
-
-static object* object_new() {
-	object* obj = (object*)sci_malloc(sizeof(object));
-	if (obj == 0) return 0;
-
-	obj->parent = 0;
-	FLEXARRAY_INIT(object*, obj->children);
-	obj->name = 0;
-	obj->selector_count = 0;
-	obj->selector_numbers = 0;
-	obj->methods = 0;
-	obj->method_count = 0;
-
-	return obj;
-}
-
-static int add_child(object* parent, object* child) {
-	FLEXARRAY_APPEND(object*, parent->children, child, return 1);
-	return 0;
-}
-
-static object* fake_object(const char* reason) {
-	object* obj = object_new();
-	if (obj == 0) {
-#ifdef SCRIPT_DEBUG
-		printf("object_new failed during fake for %s\n", reason);
-#endif
-		free(obj);
-		return 0;
-	}
-	if (add_child(object_root, obj)) {
-#ifdef SCRIPT_DEBUG
-		printf("add_child failed during fake for %s\n", reason);
-#endif
-		free(obj);
-		return 0;
-	}
-	obj->name = reason;
-	if (add_object(obj)) {
-#ifdef SCRIPT_DEBUG
-		printf("add_object failed during fake for %s\n", reason);
-#endif
-		/*FIXME: clean up parent*/
-		return 0;
-	}
-	return obj;
-}
-
-static script_method* decode_method(byte* data) {
-	script_method* m;
-	int done = 0;
-	int pos = 0;
-	static int count = 0;
-
-	count++;
-
-	if ((m = (script_method*)sci_malloc(sizeof(script_method))) == 0) return 0;
-	FLEXARRAY_INIT(script_opcode, *m);
-
-	while (!done) {
-		int op = data[pos] >> 1;
-		int size = 2 - (data[pos] & 1);
-		int* args[3];
-		int arg;
-		int old_pos;
-
-		FLEXARRAY_ADD_SPACE(script_opcode, *m, 1, return 0);
-		old_pos = pos;
-		m->data[m->used-1].pos = pos;
-		m->data[m->used-1].opcode = op;
-
-		/*Copy the adresses of the args to an array for convenience*/
-		args[0] = &m->data[m->used-1].arg1;
-		args[1] = &m->data[m->used-1].arg2;
-		args[2] = &m->data[m->used-1].arg3;
-
-		/*Skip past the opcode*/
-		pos++;
-
-		for (arg = 0; arg < 4; arg++) {
-			switch (formats[op][arg]) {
-			case Script_Invalid: { /*Can't happen(tm)*/
-				int i;
-				printf("Invalid opcode %02X at %04X in method %d\n", op, pos, count);
-				for (i = m->used - 9; i < m->used - 1; i++) {
-					printf("%s[%02X] ", opcodes[m->data[i].opcode].name, m->data[i].opcode);
-					dump(data + m->data[i].pos, m->data[i].size);
-				}
-				printf("Dump from %04X-%04X\n", pos - 16, pos + 16);
-				dump(data + pos - 16, 32);
-			}
-			break;
-			case Script_None: { /*No more args*/
-				arg = 4;
-			}
-			break;
-			case Script_Byte: /*Just a one byte arg*/
-			case Script_SByte: {
-				*args[arg] = data[pos++];
-			}
-			break;
-			case Script_Word: { /*A two byte arg*/
-				*args[arg] = getInt16(data + pos);
-				pos += 2;
-			}
-			break;
-			case Script_SWord: { /*A signed two-byte arg*/
-				int t = getInt16(data + pos);
-				if (t&0x8000) *args[arg] = -(t & 0x7FFF);
-				else *args[arg] = t;
-				pos += 2;
-			}
-			break;
-			case Script_Variable: /*Size of arg depends on LSB in opcode*/
-			case Script_SVariable:
-			case Script_SRelative:
-			case Script_Property:
-			case Script_Global:
-			case Script_Local:
-			case Script_Temp:
-			case Script_Param: {
-				if (size == 1) *args[arg] = data[pos++];
-				else {
-					*args[arg] = getInt16(data + pos);
-					pos += 2;
-				}
-			}
-			break;
-			case Script_End: { /*Special tag for ret*/
-				done = 1;
-				arg = 4;
-			}
-			break;
-			default: { /*Can't happen(tm)*/
-				printf("Unknown argument format %d for op %02X\n", formats[op][arg], op);
-			}
-			break;
-			}
-		}
-		fflush(stdout);
-		if (m->used) m->data[m->used-1].size = pos - old_pos;
-	}
-
-	return m;
-}
-
-#ifdef SCRIPT_DEBUG
-void list_code_blocks(resource_t* r) {
-	int pos = getInt16(r->data + 2);
-	while (pos < r->size - 2) {
-		int type = getInt16(r->data + pos);
-		int len = getInt16(r->data + pos + 2);
-		if (type == 2) printf("%X-%X\n", pos, pos + len);
-		pos += len;
-	}
-}
-#endif
-
-
-/*These expect the frame, the whole frame, and, well, other stuff too,
- *I guess, as long as it looks like a frame*/
-static int get_type(unsigned char* obj) {
-	return getInt16(obj);
-}
-
-static int get_length(unsigned char* obj) {
-	return getInt16(obj + 2);
-}
-
-static int get_selector_count(unsigned char* obj) {
-	return getInt16(obj + 10);
-}
-
-static int get_selector_value(unsigned char* obj, int sel) {
-	assert(sel < get_selector_count(obj));
-	return getInt16(obj + 12 + sel*2);
-}
-
-/*Bas things happen if the method offset value is wrong*/
-static unsigned char* get_method_area(unsigned char* obj) {
-	return obj + getInt16(obj + 8) + 10;
-}
-
-static int get_method_count(unsigned char* obj) {
-	return getInt16(get_method_area(obj));
-}
-
-static int get_method_number(unsigned char* obj, int i) {
-	assert(i < get_method_count(obj));
-	return getInt16(get_method_area(obj) + 2 + 2*i);
-}
-
-static int get_method_location(unsigned char* obj, int i) {
-	assert(i < get_method_count(obj));
-	return getInt16(get_method_area(obj) + 4 + 2*get_method_count(obj) + 2*i);
-}
-
-
-/*Returns the position of the first frame of type 'type' in resource 'r',
- *starting from the frame starting at 'start', or -1 on failure.
- */
-static int find_frame(resource_t* r, int type, unsigned int start) {
-	int t = -1;
-	unsigned int pos = start;
-	unsigned char* frame;
-
-	assert(start <= r->size - 4);
-
-#ifdef SCRIPT_DEBUG
-	printf("Searching for frame of type %d in script %03d, starting at %#x\n", type, r->number, start);
-	dump(r->data + start, 32);
-#endif
-
-	/*Some times there's an extra byte at the beginning. Christoph?*/
-#if 1
-	if (pos == 0 && r->size >= 6 && \
-	        !((0 < getInt16(r->data)) && (10 > getInt16(r->data)))) pos = 2;
-#else
-	if (pos == 0)
-		pos = 2;
-#endif
-	frame = r->data + pos;
-	while (1) {
-#ifdef SCRIPT_DEBUG
-		printf("offset = %#x\n", pos);
-		dump(frame, 32);
-#endif
-		t = get_type(frame);
-		if (t == type)
-			break;
-
-		if (t == 0)
-			return -1;
-
-		pos += get_length(frame);
-		if (pos > (r->size - 2))
-			return -1;
-		frame += get_length(frame);
-	}
-
-	return pos;
-}
-
-
-
-/*FIXME: lots of things are identical to read_object and read_class. Some of
- *these would benefit from being put in separate functions.*/
-
-static object* read_object(resource_mgr_t *resmgr, int script, int positions[1000]) {
-	resource_t* r = scir_find_resource(resmgr, sci_script, script, 0);
-	unsigned char* raw;
-	int pos;
-	object* obj;
-
-	printf("Searching for object in script %03d\n", script);
-
-	if (r == 0) return 0;
-
-	/*Skip to the next object*/
-#ifdef SCRIPT_DEBUG
-	printf("pre skip: pos=%#x\n", positions[script]);
-#endif
-	pos = find_frame(r, 1, positions[script]);
-#ifdef SCRIPT_DEBUG
-	printf("post skip: pos=%#x\n", pos);
-#endif
-	if (pos == -1) return 0;
-	else positions[script] = pos + get_length(r->data + pos);
-#ifdef SCRIPT_DEBUG
-	printf("post post: pos=%#x (len=%#x)\n", positions[script], get_length(r->data + pos));
-#endif
-
-	/*Construct the object*/
-	obj = object_new();
-	raw = r->data + pos;
-
-	/*Fill in the name*/
-	if (get_selector_count(raw) < 4) obj->name = "<anonymous>";
-	else {
-		if (get_selector_value(raw, 3))
-			obj->name = (char *) r->data + get_selector_value(raw, 3);
-		else obj->name = "<null>";
-	}
-
-	/*Fill in the class*/
-	if (get_selector_count(raw) == 0) obj->parent = object_root;
-	else {
-		int parent_id = get_selector_value(raw, 1);
-		if (parent_id >= fobjects.used) {
-			free(obj);
-			return 0;
-		}
-		if (parent_id < 1) obj->parent = object_root;
-		else obj->parent = fobjects.data[parent_id];
-	}
-
-	/*Add the object to the class*/
-	if (!obj->parent) {
-		free(obj);
-		return 0;
-	}
-	if (add_child(obj->parent, obj)) {
-		free(obj);
-		return 0;
-	}
-	if (add_object(obj)) {
-		free(obj);
-		return 0;
-	}
-
-	/*FIXME: decode selectors here*/
-
-	obj->method_count = get_method_count(raw);
-	obj->methods = (script_method**)sci_malloc(obj->method_count * sizeof(script_method));
-	if (obj->methods == 0) {
-		free(obj);
-		return 0;
-	} else {
-		int i;
-		for (i = 0; i < obj->method_count; i++) {
-			int number = get_method_number(raw, i);
-			int position = get_method_location(raw, i);
-
-			if ((obj->methods[i] = decode_method(r->data + position)) == 0) {
-				obj->method_count = i - 1;
-				break;
-			}
-			obj->methods[i]->number = number;
-		}
-	}
-
-	return obj;
-}
-
-static object* read_class(resource_mgr_t *resmgr, int script, int positions[1000]) {
-	resource_t* r = scir_find_resource(resmgr, sci_script, script, 0);
-	unsigned char* raw;
-	int pos;
-	object* obj;
-
-	printf("Searching for class in script %03d\n", script);
-
-	if (r == 0) return fake_object("<resource not found>");
-
-	/*Skip to the next class*/
-#ifdef SCRIPT_DEBUG
-	printf("pre skip: pos=%#x\n", positions[script]);
-#endif
-	pos = find_frame(r, 6, positions[script]);
-#ifdef SCRIPT_DEBUG
-	printf("post skip: pos=%#x\n", pos);
-#endif
-	if (pos == -1) return fake_object("<no more classes in script>");
-	else positions[script] = pos + get_length(r->data + pos);
-#ifdef SCRIPT_DEBUG
-	printf("post post: pos=%#x (len=%#x)\n", positions[script], get_length(r->data + pos));
-#endif
-
-	/*Construct the object*/
-	obj = object_new();
-	raw = r->data + pos;
-
-	/*Fill in the name*/
-	if (get_selector_count(raw) < 4) obj->name = "<anonymous>";
-	else {
-		if (get_selector_value(raw, 3))
-			obj->name = (char *) r->data + get_selector_value(raw, 3);
-		else obj->name = "<null>";
-	}
-
-	/*Fill in the parent*/
-	if (get_selector_count(raw) == 0) obj->parent = object_root;
-	else {
-		int superclass_id = get_selector_value(raw, 1);
-		printf("superclass==%d\n", superclass_id);
-		if (superclass_id >= fobjects.used) {
-			free(obj);
-			return fake_object("<no such superclass>");
-		}
-		if (superclass_id < 1) obj->parent = object_root;
-		else obj->parent = fobjects.data[superclass_id];
-	}
-
-	/*Add the class to the hierarchy*/
-	if (!obj->parent) {
-		free(obj);
-		return fake_object("<null parent>");
-	}
-	if (add_child(obj->parent, obj)) {
-		free(obj);
-		return fake_object("<add_child failed>");
-	}
-	if (add_object(obj)) {
-		free(obj);
-		return fake_object("<add_object failed>");
-	}
-
-	/*FIXME: decode selectors and methods here*/
-
-	return obj;
-}
-
-void freeObject(object* obj) {
-	int i;
-	for (i = 0; i < obj->children.used; i++) freeObject(obj->children.data[i]);
-	free(obj);
-}
-
-static int objects_init(resource_mgr_t *resmgr) {
-	FLEXARRAY_INIT(object*, fobjects);
-	max_object = 0;
-
-	if ((object_root = object_new()) == 0) return 1;
-	object_root->name = "<root>";
-	add_object(object_root);
-
-	opcodes = vocabulary_get_opcodes(resmgr);
-	knames = vocabulary_get_knames(resmgr, &knames_count);
-	snames = vocabulary_get_snames(resmgr, NULL, 0);
-
-	return 0;
-}
-
-int loadObjects(resource_mgr_t *resmgr) {
-	int i;
-	int *classes, class_count;
-	int positions[1000];
-
-	if (objects_init(resmgr)) {
-#ifdef SCRIPT_DEBUG
-		perror("objects_init");
-#endif
-		return 1;
-	}
-	classes = vocabulary_get_classes(resmgr, &class_count);
-
-	for (i = 0; i < 1000; i++) positions[i] = 0;
-	for (i = 0; i < class_count; i++) {
-#ifdef SCRIPT_DEBUG
-		printf("\n\nReading class 0x%02X\n", i);
-#endif
-		if (read_class(resmgr, classes[i], positions) == 0) {
-#ifdef SCRIPT_DEBUG
-			fprintf(stderr, "Failed to load class %d, which is a parent.\n", i);
-#endif
-			return 1;
-		}
-	}
-
-	for (i = 0; i < 1000; i++) positions[i] = 0;
-	for (i = 0; i < 1000; i++) while (read_object(resmgr, i, positions));
-
-	object_map = fobjects.data;
-	max_object = fobjects.used;
-
-	return 0;
-}
-
-

Deleted: scummvm/trunk/tools/sci/old_objects.h
===================================================================
--- scummvm/trunk/tools/sci/old_objects.h	2010-10-20 20:53:32 UTC (rev 53651)
+++ scummvm/trunk/tools/sci/old_objects.h	2010-10-20 20:57:08 UTC (rev 53652)
@@ -1,72 +0,0 @@
-/* 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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#ifndef OLD_OBJECTS_H
-#define OLD_OBJECTS_H
-
-#include "common/scummsys.h"
-#include "engine/sci/include/sciresource.h"
-#include "engine/sci/include/util.h"
-
-typedef FLEXARRAY(script_opcode, int number;) script_method;
-
-typedef struct object_ {
-	/*These are based on cached selector values, and set to the values
-	 *the selectors had at load time. If the selectors are changed in
-	 *instances, inconsistency will follow*/
-	struct object_* parent;
-	const char* name;
-
-	FLEXARRAY_NOEXTRA(struct object_*) children;
-
-	/*No flexarray, size the size is known from the start*/
-	script_method** methods;
-	int method_count;
-
-	int selector_count;
-	int* selector_numbers;
-} object;
-
-typedef struct {
-	int id;
-	object* classID;
-	byte* heap;
-	int offset;
-} instance;
-
-extern object **object_map, *object_root;
-extern int max_object;
-
-#define SCRIPT_PRINT_METHODS	1
-#define SCRIPT_PRINT_CHILDREN	2
-#define SCRIPT_PRINT_SELECTORS  3
-void printObject(object* obj, int flags);
-
-int loadObjects(resource_mgr_t *resmgr);
-void freeObject(object*);
-
-extern const char* globals[];
-
-#endif


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