net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/PHPDBGInterface.java

   1 /**********************************************************************
   2 Copyright (c) 2000, 2002 IBM Corp. and others.
   3 All rights reserved. This program and the accompanying materials
   4 are made available under the terms of the Common Public License v1.0
   5 which accompanies this distribution, and is available at
   6 http://www.eclipse.org/legal/cpl-v10.html
   7
   8 Contributors:
   9         Vicente Fernando - www.alfersoft.com.ar - Initial implementation
  10 **********************************************************************/
  11 package net.sourceforge.phpdt.internal.debug.core;
  12
  13 import java.io.IOException;
  14 import java.io.BufferedReader;
  15 import java.io.OutputStream;
  16 import java.util.Vector;
  17 import java.lang.System;
  18 import org.eclipse.debug.core.DebugException;
  19 import net.sourceforge.phpdt.internal.debug.core.model.PHPStackFrame;
  20 import net.sourceforge.phpdt.internal.debug.core.model.PHPVariable;
  21 import net.sourceforge.phpdt.internal.debug.core.model.PHPValue;
  22 import net.sourceforge.phpdt.internal.debug.core.PHPDBGMod;
  23
  24 public class PHPDBGInterface {
  25
  26         // Public
  27         public boolean sessionEnded= false;
  28         public int sessType= -1;
  29         public int BPUnderHit= 0;
  30         public String sessID= new String();
  31
  32         // Private
  33         private int[] LastBPRead= new int[10];
  34         private Vector DBGBPList= new Vector();
  35         private PHPStackFrame[] DBGStackList;
  36         private PHPVariable[] DBGVariableList;
  37         private Vector DBGMods= new Vector();
  38         private Vector DBGVars= new Vector();
  39         private BufferedReader in;
  40         private OutputStream os;
  41         private boolean shouldStop= false, isRef= false, hasChildren= false, isObject= false;
  42         private String evalRet= new String("");
  43         private String serGlobals= new String("");
  44         private String typeRead= new String("");
  45         private String className= new String("");
  46         private int finalPos=0, refCounter=0, rawCounter=0;
  47
  48         public PHPDBGInterface(BufferedReader in, OutputStream os) {
  49                 DBGBPList.clear();
  50                 this.in= in;
  51                 this.os= os;
  52         }
  53
  54         public int addBreakpoint(String mod_name, int line) throws IOException {
  55                 return setBreakpoint(mod_name, "", line, PHPDBGBase.BPS_ENABLED + PHPDBGBase.BPS_UNRESOLVED, 0, 0, 0, 0, 0);
  56         }
  57
  58         public void removeBreakpoint(String mod_name, int line, int bpNo) throws IOException {
  59                 setBreakpoint(mod_name, "", line, PHPDBGBase.BPS_DISABLED, 0, 0, 0, bpNo, 0);
  60         }
  61
  62         public void requestDBGVersion() throws IOException {
  63                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_REQUEST);
  64                 PHPDBGFrame DBGFrame= new PHPDBGFrame(PHPDBGBase.FRAME_VER);
  65
  66                 DBGPacket.addFrame(DBGFrame);
  67
  68                 DBGPacket.sendPacket(os);
  69         }
  70
  71         // Returns DBG Breakpoint ID
  72         private int setBreakpoint(String mod_name, String condition, int line, int state, int istemp, int hitcount, int skiphits, int bpno, int isunderhit) throws IOException {
  73                 int modNo= 0;
  74
  75                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_REQUEST);
  76                 PHPDBGFrame DBGFrame1= new PHPDBGFrame(PHPDBGBase.FRAME_BPS);
  77                 PHPDBGFrame DBGFrame2= new PHPDBGFrame(PHPDBGBase.FRAME_RAWDATA);
  78
  79                 modNo= getModByName(mod_name);
  80
  81                 if(modNo >= 0) {
  82                         DBGFrame1.addInt(modNo);        // mod number
  83                 } else {
  84                         DBGFrame1.addInt(0);            // mod number (0 use file name)
  85                 }
  86
  87                 DBGFrame1.addInt(line);                 // line number
  88
  89                 if(modNo >= 0) {
  90                         DBGFrame1.addInt(0);                    // use mod number
  91                 } else {
  92                         rawCounter++;
  93                         DBGFrame1.addInt(rawCounter);   // ID of FRAME_RAWDATA to send file name
  94                 }
  95
  96                 DBGFrame1.addInt(state);                // state BPS_*
  97                 DBGFrame1.addInt(istemp);               // istemp
  98                 DBGFrame1.addInt(hitcount);             // hit count
  99                 DBGFrame1.addInt(skiphits);             // skip hits
 100                 DBGFrame1.addInt(0);                    // ID of condition
 101                 DBGFrame1.addInt(bpno);                 // breakpoint number
 102                 DBGFrame1.addInt(isunderhit);   // is under hit
 103
 104                 if(modNo < 0) {
 105                         DBGFrame2.addInt(rawCounter);                           // FRAME_RAWDATA ID
 106                         DBGFrame2.addInt(mod_name.length() + 1);        // length of rawdata (+ null char)
 107                         DBGFrame2.addString(mod_name);                          // file name
 108                         DBGFrame2.addChar('\0');                                        // null char
 109                         // First add file name data
 110                         DBGPacket.addFrame(DBGFrame2);
 111                 }
 112
 113                 // Second add command data
 114                 DBGPacket.addFrame(DBGFrame1);
 115
 116                 DBGPacket.sendPacket(os);
 117
 118                 clearLastBP();
 119
 120                 // Wait response (1 second) and read response
 121                 waitResponse(1000);
 122                 flushAllPackets();
 123
 124                 return LastBPRead[8];
 125         }
 126
 127         private void clearLastBP() {
 128                 int i;
 129
 130                 for(i=0; i < LastBPRead.length; i++)
 131                         LastBPRead[i]= 0;
 132         }
 133
 134         private void copyToLastBP(int[] BPBody) {
 135                 int i;
 136
 137                 for(i=0; i < LastBPRead.length; i++)
 138                         LastBPRead[i]= BPBody[i];
 139         }
 140
 141         public void continueExecution() throws IOException {
 142                 BPUnderHit= 0;
 143                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_CONTINUE);
 144                 DBGPacket.sendPacket(os);
 145         }
 146
 147         private int getBPUnderHit() {
 148                 int i, BPUnder=0;
 149                 int[] dbg_bpl_body= new int[10];
 150
 151                 // look for bp under hit
 152                 for(i=0; i < DBGBPList.size(); i++) {
 153                         dbg_bpl_body= (int[]) DBGBPList.get(i);
 154                         if(dbg_bpl_body[9] == 1) {
 155                                 BPUnder= dbg_bpl_body[8];
 156                         }
 157                 }
 158                 return BPUnder;
 159         }
 160
 161         public void stepInto() throws IOException {
 162                 BPUnderHit= 0;
 163                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_STEPINTO);
 164                 DBGPacket.sendPacket(os);
 165         }
 166
 167         public void stepOver() throws IOException {
 168                 BPUnderHit= 0;
 169                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_STEPOVER);
 170                 DBGPacket.sendPacket(os);
 171         }
 172
 173         public void stepOut() throws IOException {
 174                 BPUnderHit= 0;
 175                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_STEPOUT);
 176                 DBGPacket.sendPacket(os);
 177         }
 178
 179         public void stopExecution() throws IOException {
 180                 BPUnderHit= 0;
 181                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_STOP);
 182                 DBGPacket.sendPacket(os);
 183         }
 184
 185         public PHPVariable[] getVariables(PHPStackFrame stack) throws IOException, DebugException  {
 186                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_REQUEST);
 187                 PHPDBGFrame DBGFrame1= new PHPDBGFrame(PHPDBGBase.FRAME_EVAL);
 188                 //PHPDBGFrame DBGFrame2= new PHPDBGFrame(PHPDBGBase.FRAME_RAWDATA);
 189
 190                 DBGFrame1.addInt(0);                                            // istr = raw data ID
 191                 DBGFrame1.addInt(1);                                            // scope_id = -1 means current location, 0 never used, +1 first depth
 192
 193                 /*
 194                 String evalBlock= new String("$GLOBALS");
 195                 DBGFrame2.addInt(1);                                            // FRAME_RAWDATA ID
 196                 DBGFrame2.addInt(evalBlock.length() + 1);       // length of rawdata (+ null char)
 197                 DBGFrame2.addString(evalBlock);                         // eval block
 198                 DBGFrame2.addChar('\0');                                        // null char
 199                 */
 200
 201                 // Add command data
 202                 DBGPacket.addFrame(DBGFrame1);
 203
 204                 DBGPacket.sendPacket(os);
 205
 206                 waitResponse(1000);
 207                 flushAllPackets();
 208
 209                 // Process serialized variables
 210                 DBGVariableList= procVars(stack);
 211
 212                 return DBGVariableList;
 213         }
 214
 215         public void evalBlock(String evalString) throws IOException, DebugException  {
 216                 PHPDBGPacket DBGPacket= new PHPDBGPacket(PHPDBGBase.DBGA_REQUEST);
 217                 PHPDBGFrame DBGFrame1= new PHPDBGFrame(PHPDBGBase.FRAME_EVAL);
 218                 PHPDBGFrame DBGFrame2= new PHPDBGFrame(PHPDBGBase.FRAME_RAWDATA);
 219
 220                 rawCounter++;
 221                 DBGFrame1.addInt(rawCounter);                           // istr = raw data ID
 222                 DBGFrame1.addInt(1);                                            // scope_id = -1 means current location, 0 never used, +1 first depth
 223
 224                 DBGFrame2.addInt(rawCounter);                           // FRAME_RAWDATA ID
 225                 DBGFrame2.addInt(evalString.length() + 1);      // length of rawdata (+ null char)
 226                 DBGFrame2.addString(evalString);                        // eval block
 227                 DBGFrame2.addChar('\0');                                        // null char
 228
 229                 // Add raw data first
 230                 DBGPacket.addFrame(DBGFrame2);
 231                 // Add command data
 232                 DBGPacket.addFrame(DBGFrame1);
 233
 234                 DBGPacket.sendPacket(os);
 235
 236                 waitResponse(1000);
 237                 flushAllPackets();
 238         }
 239
 240         public void flushAllPackets() throws IOException {
 241                 while(readResponse() != 0);
 242         }
 243
 244         private String getModByNo(int modNo) {
 245                 int i;
 246                 PHPDBGMod dbg_mod;
 247
 248                 // look for mod
 249                 for(i=0; i < DBGMods.size(); i++) {
 250                         dbg_mod= (PHPDBGMod) DBGMods.get(i);
 251                         if(dbg_mod.getNo() == modNo) {
 252                                 return dbg_mod.getName();
 253                         }
 254                 }
 255                 return "";
 256         }
 257
 258         private int getModByName(String modName) {
 259                 int i;
 260                 PHPDBGMod dbg_mod;
 261
 262                 // look for mod
 263                 for(i=0; i < DBGMods.size(); i++) {
 264                         dbg_mod= (PHPDBGMod) DBGMods.get(i);
 265                         if(dbg_mod.getName().equalsIgnoreCase(modName)) {
 266                                 return dbg_mod.getNo();
 267                         }
 268                 }
 269                 return -1;
 270         }
 271
 272         private String getRawFrameData(char[] framesInfo, int frameNo) {
 273                 int nextFrame= 0;
 274                 int[] dbg_frame= new int[2];
 275
 276                 while(nextFrame < framesInfo.length) {
 277                         dbg_frame[0] = PHPDBGBase.Char4ToInt(framesInfo, nextFrame);            // frame name
 278                         dbg_frame[1] = PHPDBGBase.Char4ToInt(framesInfo, nextFrame + 4);        // frame size
 279
 280                         nextFrame += 8;
 281                         if(dbg_frame[1] == 0) return "";
 282
 283                         switch(dbg_frame[0]) {
 284                                 case PHPDBGBase.FRAME_RAWDATA:
 285                                         if(frameNo == PHPDBGBase.Char4ToInt(framesInfo, nextFrame)) {
 286                                                 int toRead= PHPDBGBase.Char4ToInt(framesInfo, nextFrame + 4);
 287                                                 return String.copyValueOf(framesInfo, nextFrame + 8, toRead);
 288                                         }
 289                                         break;
 290                         }
 291                         // go to next frame
 292                         nextFrame += dbg_frame[1];
 293                 }
 294                 return "";
 295         }
 296
 297         public PHPVariable[] getInstVars(PHPVariable phpVar) throws DebugException {
 298                 Vector vecVars= new Vector();
 299                 PHPVariable localPHPVar;
 300                 int i=0;
 301
 302                 // already unserialized
 303                 for(i=0; i < DBGVars.size(); i++) {
 304                         localPHPVar= (PHPVariable)DBGVars.get(i);
 305                         if(localPHPVar.getParent() == phpVar) {
 306                                 vecVars.add(localPHPVar);
 307                         }
 308                 }
 309                 PHPVariable[] arrVars= new PHPVariable[vecVars.size()];
 310                 arrVars= (PHPVariable[]) vecVars.toArray(arrVars);
 311
 312                 return arrVars;
 313         }
 314
 315         private PHPVariable[] procVars(PHPStackFrame stack) throws DebugException {
 316                 Vector vecVars= new Vector();
 317
 318                 // unserialize
 319                 finalPos= 0;
 320                 refCounter= 0;
 321                 doUnserialize(stack, vecVars, null);
 322
 323                 DBGVars= vecVars;
 324
 325                 return(getInstVars(null));
 326         }
 327
 328         private String readValue(String serialVars) throws DebugException {
 329                 int startPos=0, endPos=0, lenStr=0, i=0, elements=0;
 330                 String ret= new String("");
 331
 332                 switch(serialVars.charAt(0)) {
 333                         case 'a':       // associative array, a:elements:{[index][value]...}
 334                                 typeRead= "hash";
 335                                 startPos= 1;
 336                                 endPos= serialVars.indexOf(':', startPos + 1);
 337                                 if(endPos == -1) return "";
 338                                 finalPos += endPos + 2;
 339                                 ret= new String(serialVars.substring(startPos + 1, endPos));
 340
 341                                 hasChildren= true;
 342                                 break;
 343                         case 'O':       // object, O:name_len:"name":elements:{[attribute][value]...}
 344                                 typeRead= "object";
 345
 346                                 startPos= 1;
 347                                 endPos= serialVars.indexOf(':', startPos + 1);
 348                                 if(endPos == -1) return "";
 349
 350                                 // get object class
 351                                 lenStr= Integer.parseInt(serialVars.substring(startPos + 1, endPos));
 352                                 startPos= endPos + 2;
 353                                 endPos= lenStr + startPos;
 354                                 className= new String(serialVars.substring(startPos, endPos).toString());
 355
 356                                 // get num of elements
 357                                 startPos= endPos + 1;
 358                                 endPos= serialVars.indexOf(':', startPos + 1);
 359                                 if(endPos == -1) return "";
 360                                 finalPos += endPos + 2;
 361                                 ret= new String(serialVars.substring(startPos + 1, endPos));
 362
 363                                 isObject= true;
 364                                 hasChildren= true;
 365                                 break;
 366                         case 's':       // string, s:length:"data";
 367                                 typeRead= "string";
 368                                 startPos= 1;
 369                                 endPos= serialVars.indexOf(':', startPos + 1);
 370                                 if(endPos == -1) return "";
 371
 372                                 lenStr= Integer.parseInt(serialVars.substring(startPos + 1, endPos));
 373                                 startPos= endPos + 2;
 374                                 endPos= lenStr + startPos;
 375                                 ret= new String(serialVars.substring(startPos, endPos).toString());
 376                                 finalPos += endPos + 2;
 377                                 break;
 378                         case 'i':       // integer, i:123;
 379                                 typeRead= "integer";
 380                                 startPos= 1;
 381                                 endPos= serialVars.indexOf(';', startPos + 1);
 382                                 if(endPos == -1) return "";
 383
 384                                 ret= new String(serialVars.substring(startPos + 1, endPos).toString());
 385                                 finalPos += endPos + 1;
 386                                 break;
 387                         case 'd':       // double (float), d:1.23;
 388                                 typeRead= "double";
 389                                 startPos= 1;
 390                                 endPos= serialVars.indexOf(';', startPos + 1);
 391                                 if(endPos == -1) return "";
 392
 393                                 ret= new String(serialVars.substring(startPos + 1, endPos).toString());
 394                                 finalPos += endPos + 1;
 395                                 break;
 396                         case 'N':       // NULL, N;
 397                                 typeRead= "null";
 398                                 ret= "nil";
 399                                 finalPos += 2;
 400                                 break;
 401                         case 'b':       // bool, b:0 or 1
 402                                 typeRead= "boolean";
 403                                 ret= (serialVars.charAt(2) == '1')?"true":"false";
 404                                 finalPos += endPos + 4;
 405                                 break;
 406                         case 'z':       // resource, z:typename_len:"typename":valres;
 407                                 typeRead= "resource";
 408
 409                                 startPos= 1;
 410                                 endPos= serialVars.indexOf(':', startPos + 1);
 411                                 if(endPos == -1) return "";
 412
 413                                 // get resource type name
 414                                 lenStr= Integer.parseInt(serialVars.substring(startPos + 1, endPos));
 415                                 startPos= endPos + 2;
 416                                 endPos= lenStr + startPos;
 417                                 className= new String(serialVars.substring(startPos, endPos).toString());
 418
 419                                 // get resource value
 420                                 startPos= endPos + 1;
 421                                 endPos= serialVars.indexOf(';', startPos + 1);
 422                                 if(endPos == -1) return "";
 423                                 ret= new String(serialVars.substring(startPos + 1, endPos));
 424                                 finalPos += endPos + 1;
 425                                 break;
 426                         case 'r':
 427                         case 'R':
 428                                 typeRead= "reference";
 429                                 startPos= 1;
 430                                 endPos= serialVars.indexOf(';', startPos + 1);
 431                                 if(endPos == -1) return "0";
 432
 433                                 ret= new String(serialVars.substring(startPos + 1, endPos));
 434                                 finalPos += endPos + 1;
 435                                 isRef= true;
 436                                 break;
 437                         case ';':
 438                                 typeRead= "unknown";
 439                                 finalPos+= 1;
 440                                 break;
 441                         case '?':
 442                                 finalPos+= 1;
 443                         default:
 444                                 finalPos+= 1;
 445                                 typeRead= "unknown";
 446                                 break;
 447                 }
 448                 return ret;
 449         }
 450
 451         private void doUnserialize(PHPStackFrame stack, Vector vecVars, PHPVariable parent) throws DebugException {
 452                 int i, elements= 0;
 453                 PHPVariable newVar= null;
 454                 String value= new String("");
 455                 String name= new String("");
 456                 String tmp= new String("");
 457
 458                 if(finalPos > serGlobals.length() || serGlobals.equals("") || serGlobals.substring(finalPos).equals("")) return;
 459
 460                 isRef= false;
 461                 hasChildren= false;
 462                 isObject= false;
 463                 name= readValue(serGlobals.substring(finalPos));
 464
 465                 if(hasChildren) {
 466                         // main array
 467                         if(refCounter == 0) {
 468                                 value= name;
 469                                 name= "";
 470                         }
 471                 } else {
 472                         hasChildren= false;
 473                         isRef= false;
 474                         value= readValue(serGlobals.substring(finalPos));
 475                 }
 476
 477                 if(!name.equals("")) {
 478                         if(isRef) {
 479                                 PHPVariable varPHP;
 480                                 for(i=0; i < vecVars.size(); i++) {
 481                                         varPHP= (PHPVariable) vecVars.get(i);
 482                                         if(varPHP.getObjectId().equals(value)) {
 483                                                 newVar= new PHPVariable(stack, name, "local", true, (PHPValue)varPHP.getValue());
 484                                                 break;
 485                                         }
 486                                 }
 487                                 if(newVar == null) {
 488                                         newVar= new PHPVariable(stack, name, "local", false, null);
 489                                 }
 490                         } else {
 491                                 refCounter++;
 492                                 newVar= new PHPVariable(stack, name, "local", value, typeRead, hasChildren, Integer.toString(refCounter), className);
 493                         }
 494                         newVar.setParent(parent);
 495                         vecVars.add(newVar);
 496                 }
 497                 if(hasChildren) {
 498                         elements= Integer.parseInt(value);
 499                         for(i=0; i < elements; i++)
 500                                 doUnserialize(stack, vecVars, newVar);
 501
 502                         // skip "}"
 503                         finalPos += 1;
 504                 }
 505         }
 506
 507         public int readResponse() throws IOException {
 508                 int bytesToRead=0, nextFrame=0, i=0, cmdReceived=0, stackIndex=0;
 509                 char[] dbg_header_struct_read= new char[16];
 510                 int[] dbg_header_struct= new int[4];
 511                 int[] dbg_bpl_tmp= new int[10];
 512                 int[] dbg_frame= new int[2];
 513                 int[] dbg_eval_tmp= new int[3];
 514                 Vector rawList= new Vector();
 515                 Vector stackList= new Vector();
 516                 PHPStackFrame[] newStackList;
 517
 518                 rawList.clear();
 519                 stackList.clear();
 520                 // Read from input
 521                 while(readInput(dbg_header_struct_read, 16) != 0) {
 522                         dbg_header_struct[0] = PHPDBGBase.Char4ToInt(dbg_header_struct_read, 0);
 523                         dbg_header_struct[1] = PHPDBGBase.Char4ToInt(dbg_header_struct_read, 4);
 524                         dbg_header_struct[2] = PHPDBGBase.Char4ToInt(dbg_header_struct_read, 8);
 525                         dbg_header_struct[3] = PHPDBGBase.Char4ToInt(dbg_header_struct_read, 12);
 526
 527                         // Check DBG sync bytes
 528                         if(dbg_header_struct[0] != 0x5953) return 0;
 529
 530                         cmdReceived= dbg_header_struct[1];
 531                         bytesToRead= dbg_header_struct[3];
 532
 533                         System.out.println("Response Received: " + cmdReceived);
 534
 535                         char[] entirePack= new char[bytesToRead];
 536
 537                         if(bytesToRead > 0) {
 538                                 if(readInput(entirePack, bytesToRead) < bytesToRead) return 0;
 539                         }
 540
 541                         // First process frames
 542                         nextFrame= 0;
 543                         while(nextFrame < bytesToRead) {
 544                                 dbg_frame[0] = PHPDBGBase.Char4ToInt(entirePack, nextFrame);            // frame name
 545                                 dbg_frame[1] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 4);        // frame size
 546                                 nextFrame += 8;
 547                                 if(dbg_frame[1] == 0) return 0;
 548                                 switch(dbg_frame[0]) {
 549                                         case PHPDBGBase.FRAME_STACK:
 550                                                 int[] dbg_stack_new= new int[4];
 551                                                 dbg_stack_new[0] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 0);    // line no
 552                                                 dbg_stack_new[1] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 4);    // mod no
 553                                                 dbg_stack_new[2] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 8);    // scope id
 554                                                 dbg_stack_new[3] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 12);   // id of description string
 555
 556                                                 stackIndex++;
 557                                                 if(!getModByNo(dbg_stack_new[1]).equals("")) {
 558                                                         PHPStackFrame newStack= new PHPStackFrame(null, getModByNo(dbg_stack_new[1]), dbg_stack_new[0], stackIndex, getRawFrameData(entirePack, dbg_stack_new[3]));
 559                                                         stackList.add(newStack);
 560                                                 }
 561                                                 break;
 562                                         case PHPDBGBase.FRAME_SOURCE:
 563                                                 break;
 564                                         case PHPDBGBase.FRAME_SRC_TREE:
 565                                                 break;
 566                                         case PHPDBGBase.FRAME_RAWDATA:
 567                                                 break;
 568                                         case PHPDBGBase.FRAME_ERROR:
 569                                                 break;
 570                                         case PHPDBGBase.FRAME_EVAL:
 571                                                 String evalString= new String("");
 572                                                 dbg_eval_tmp[0] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 0); // istr
 573                                                 dbg_eval_tmp[1] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 4); // iresult
 574                                                 dbg_eval_tmp[2] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 8); // ierror
 575
 576                                                 evalRet= getRawFrameData(entirePack, dbg_eval_tmp[1]);
 577                                                 evalString= getRawFrameData(entirePack, dbg_eval_tmp[0]);
 578                                                 serGlobals= evalRet;
 579                                                 break;
 580                                         case PHPDBGBase.FRAME_BPS:
 581                                                 break;
 582                                         case PHPDBGBase.FRAME_BPL:
 583                                                 int[] dbg_bpl_new= new int[10];
 584                                                 dbg_bpl_new[0] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 0);
 585                                                 dbg_bpl_new[1] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 4);
 586                                                 dbg_bpl_new[2] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 8);
 587                                                 dbg_bpl_new[3] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 12);
 588                                                 dbg_bpl_new[4] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 16);
 589                                                 dbg_bpl_new[5] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 20);
 590                                                 dbg_bpl_new[6] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 24);
 591                                                 dbg_bpl_new[7] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 28);
 592                                                 dbg_bpl_new[8] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 32);
 593                                                 dbg_bpl_new[9] = PHPDBGBase.Char4ToInt(entirePack, nextFrame + 36);
 594
 595                                                 // look if breakpoint already exists in vector
 596                                                 for(i=0; i < DBGBPList.size(); i++) {
 597                                                         dbg_bpl_tmp= (int[]) DBGBPList.get(i);
 598                                                         if(dbg_bpl_tmp[8] == dbg_bpl_new[8]) {
 599                                                                 DBGBPList.remove(i);
 600                                                                 break;
 601                                                         }
 602                                                 }
 603
 604                                                 // add breakpoint to vector
 605                                                 DBGBPList.add(dbg_bpl_new);
 606                                                 copyToLastBP(dbg_bpl_new);
 607
 608                                                 // mod no returned?
 609                                                 if(getModByNo(dbg_bpl_new[0]).equals("")) {
 610                                                         String fileName= new String(getRawFrameData(entirePack, dbg_bpl_new[2]));
 611                                                         // Remove '\0' char
 612                                                         if(fileName.length() > 0) fileName= fileName.substring(0, fileName.length() - 1);
 613                                                         PHPDBGMod modNew= new PHPDBGMod(dbg_bpl_new[0], fileName);
 614                                                         DBGMods.add(modNew);
 615                                                 }
 616                                                 break;
 617                                         case PHPDBGBase.FRAME_VER:
 618                                                 break;
 619                                         case PHPDBGBase.FRAME_SID:
 620                                                 break;
 621                                         case PHPDBGBase.FRAME_SRCLINESINFO:
 622                                                 break;
 623                                         case PHPDBGBase.FRAME_SRCCTXINFO:
 624                                                 break;
 625                                         case PHPDBGBase.FRAME_LOG:
 626                                                 break;
 627                                         case PHPDBGBase.FRAME_PROF:
 628                                                 break;
 629                                         case PHPDBGBase.FRAME_PROF_C:
 630                                                 break;
 631                                         case PHPDBGBase.FRAME_SET_OPT:
 632                                                 break;
 633                                 }
 634                                 // go to next frame
 635                                 nextFrame += dbg_frame[1];
 636                         }
 637
 638                         // Now process command
 639                         switch(cmdReceived) {
 640                                 case PHPDBGBase.DBGC_REPLY:
 641                                         break;
 642                                 case PHPDBGBase.DBGC_STARTUP:
 643                                         break;
 644                                 case PHPDBGBase.DBGC_END:
 645                                         sessionEnded= true;
 646                                         break;
 647                                 case PHPDBGBase.DBGC_BREAKPOINT:
 648                                         newStackList= new PHPStackFrame[stackList.size()];
 649                                         newStackList= (PHPStackFrame[]) stackList.toArray(newStackList);
 650                                         DBGStackList= newStackList;
 651                                         BPUnderHit= getBPUnderHit();
 652                                         break;
 653                                 case PHPDBGBase.DBGC_STEPINTO_DONE:
 654                                 case PHPDBGBase.DBGC_STEPOVER_DONE:
 655                                 case PHPDBGBase.DBGC_STEPOUT_DONE:
 656                                 case PHPDBGBase.DBGC_EMBEDDED_BREAK:
 657                                         BPUnderHit= 1;
 658                                         newStackList= new PHPStackFrame[stackList.size()];
 659                                         newStackList= (PHPStackFrame[]) stackList.toArray(newStackList);
 660                                         DBGStackList= newStackList;
 661                                         break;
 662                                 case PHPDBGBase.DBGC_ERROR:
 663                                         newStackList= new PHPStackFrame[stackList.size()];
 664                                         newStackList= (PHPStackFrame[]) stackList.toArray(newStackList);
 665                                         DBGStackList= newStackList;
 666                                         break;
 667                                 case PHPDBGBase.DBGC_LOG:
 668                                         break;
 669                                 case PHPDBGBase.DBGC_SID:
 670                                         break;
 671                                 case PHPDBGBase.DBGC_PAUSE:
 672                                         break;
 673                         }
 674                 }
 675
 676                 return cmdReceived;
 677         }
 678
 679         public PHPStackFrame[] getStackList() {
 680                 return DBGStackList;
 681         }
 682
 683         private int readInput(char[] buffer, int bytes) throws IOException {
 684                 int bytesRead= 0;
 685
 686                 for(int i=0; i < bytes; i++) {
 687                         if(in.ready()) {
 688                                 buffer[i]= (char) (in.read() & 0x00FF);
 689                                 bytesRead++;
 690                         }
 691                         else
 692                                 break;
 693                 }
 694                 return bytesRead;
 695         }
 696
 697         public void setShouldStop() {
 698                 this.shouldStop= true;
 699         }
 700
 701         public void waitResponse(long milliseconds) throws IOException {
 702                 long timeout= System.currentTimeMillis() + milliseconds;
 703                 while(System.currentTimeMillis() < timeout) {
 704                         if(in.ready() || shouldStop) {
 705                                 break;
 706                         }
 707                 }
 708         }
 709 }