Introduce a new object type that represents value trees of the parse results.
[kdbg.git] / kdbg / xsldbgdriver.cpp
blobbbaedb92a8f0775c810378e4c78cb71d3bd37af6
1 // $Id$
3 // Copyright by Johannes Sixt, Keith Isdale
4 // This file is under GPL, the GNU General Public Licence
6 #include "xsldbgdriver.h"
7 #include "exprwnd.h"
8 #include <qstringlist.h>
9 #include <klocale.h> /* i18n */
10 #include <ctype.h>
11 #include <stdlib.h> /* strtol, atoi */
12 #include <string.h> /* strcpy */
13 #include <kmessagebox.h>
15 #include "assert.h"
16 #ifdef HAVE_CONFIG_H
17 #include "config.h"
18 #endif
19 #include "mydebug.h"
22 static ExprValue *parseVar(const char *&s);
23 static bool parseName(const char *&s, QString & name,
24 VarTree::NameKind & kind);
25 static bool parseValue(const char *&s, ExprValue * variable);
26 static bool isErrorExpr(const char *output);
28 #define TERM_IO_ALLOWED 1
30 // TODO: make this cmd info stuff non-static to allow multiple
31 // simultaneous gdbs to run!
33 struct XsldbgCmdInfo {
34 DbgCommand cmd;
35 const char *fmt; /* format string */
36 enum Args {
37 argNone, argString, argNum,
38 argStringNum, argNumString,
39 argString2, argNum2
40 } argsNeeded;
44 * The following array of commands must be sorted by the DC* values,
45 * because they are used as indices.
47 static XsldbgCmdInfo cmds[] = {
48 {DCinitialize, "init\n", XsldbgCmdInfo::argNone},
49 {DCtty, "tty %s\n", XsldbgCmdInfo::argString},
50 {DCexecutable, "source %s\n", XsldbgCmdInfo::argString}, /* force a restart */
51 {DCtargetremote, "print 'target remote %s'\n", XsldbgCmdInfo::argString},
52 {DCcorefile, "data %s\n", XsldbgCmdInfo::argString}, /* force a restart */
53 {DCattach, "print 'attach %s'\n", XsldbgCmdInfo::argString},
54 {DCinfolinemain, "print 'info main line'\n", XsldbgCmdInfo::argNone},
55 {DCinfolocals, "locals -f\n", XsldbgCmdInfo::argNone},
56 {DCinforegisters, "print 'info reg'\n", XsldbgCmdInfo::argNone},
57 {DCexamine, "print 'x %s %s'\n", XsldbgCmdInfo::argString2},
58 {DCinfoline, "print 'templates %s:%d'\n", XsldbgCmdInfo::argStringNum},
59 {DCdisassemble, "print 'disassemble %s %s'\n", XsldbgCmdInfo::argString2},
60 {DCsetargs, "data %s\n", XsldbgCmdInfo::argString},
61 {DCsetenv, "addparam %s %s\n", XsldbgCmdInfo::argString2},
62 {DCunsetenv, "unset env %s\n", XsldbgCmdInfo::argString},
63 {DCsetoption, "setoption %s %d\n", XsldbgCmdInfo::argStringNum},
64 {DCcd, "chdir %s\n", XsldbgCmdInfo::argString},
65 {DCbt, "where\n", XsldbgCmdInfo::argNone},
66 {DCrun, "run\nsource\n", XsldbgCmdInfo::argNone}, /* Ensure that at the start
67 of executing XSLT we show the XSLT file */
68 {DCcont, "continue\n", XsldbgCmdInfo::argNone},
69 {DCstep, "step\n", XsldbgCmdInfo::argNone},
70 {DCstepi, "step\n", XsldbgCmdInfo::argNone},
71 {DCnext, "next\n", XsldbgCmdInfo::argNone},
72 {DCnexti, "next\n", XsldbgCmdInfo::argNone},
73 {DCfinish, "stepup\n", XsldbgCmdInfo::argNone},
74 {DCuntil, "continue %s:%d\n", XsldbgCmdInfo::argStringNum},
75 {DCkill, "quit\n", XsldbgCmdInfo::argNone},
76 {DCbreaktext, "break %s\n", XsldbgCmdInfo::argString},
77 {DCbreakline, "break -l %s %d\n", XsldbgCmdInfo::argStringNum},
78 {DCtbreakline, "break -l %s %d\n", XsldbgCmdInfo::argStringNum },
79 {DCbreakaddr, "print `break *%s`\n", XsldbgCmdInfo::argString },
80 {DCtbreakaddr, "print `tbreak *%s`\n", XsldbgCmdInfo::argString },
81 {DCwatchpoint, "print 'watch %s'\n", XsldbgCmdInfo::argString},
82 {DCdelete, "delete %d\n", XsldbgCmdInfo::argNum},
83 {DCenable, "enable %d\n", XsldbgCmdInfo::argNum},
84 {DCdisable, "disable %d\n", XsldbgCmdInfo::argNum},
85 {DCprint, "print %s\n", XsldbgCmdInfo::argString},
86 {DCprintDeref, "print 'print (*%s)'\n", XsldbgCmdInfo::argString},
87 {DCprintStruct, "print 'print %s'\n", XsldbgCmdInfo::argString},
88 {DCprintQStringStruct, "print 'print %s'\n", XsldbgCmdInfo::argString},
89 {DCframe, "frame %d\n", XsldbgCmdInfo::argNum},
90 {DCfindType, "print 'whatis %s'\n", XsldbgCmdInfo::argString},
91 {DCinfosharedlib, "stylesheets\n", XsldbgCmdInfo::argNone},
92 {DCthread, "print 'thread %d'\n", XsldbgCmdInfo::argNum},
93 {DCinfothreads, "print 'info threads'\n", XsldbgCmdInfo::argNone},
94 {DCinfobreak, "show\n", XsldbgCmdInfo::argNone},
95 {DCcondition, "print 'condition %d %s'\n", XsldbgCmdInfo::argNumString},
96 {DCsetpc, "print 'set variable $pc=%s'\n", XsldbgCmdInfo::argString},
97 {DCignore, "print 'ignore %d %d'\n", XsldbgCmdInfo::argNum2},
98 {DCsetvariable, "set %s %s\n", XsldbgCmdInfo::argString2},
101 #define NUM_CMDS (int(sizeof(cmds)/sizeof(cmds[0])))
102 #define MAX_FMTLEN 200
104 XsldbgDriver::XsldbgDriver():
105 DebuggerDriver(), m_gdbMajor(2), m_gdbMinor(0)
107 m_promptRE.setPattern("\\(xsldbg\\) .*> ");
108 m_promptMinLen = 11;
109 m_promptLastChar = ' ';
111 m_markerRE.setPattern("^Breakpoint for file ");
112 m_haveDataFile = FALSE;
114 #ifndef NDEBUG
115 // check command info array
116 char *perc;
118 for (int i = 0; i < NUM_CMDS; i++) {
119 // must be indexable by DbgCommand values, i.e. sorted by DbgCommand values
120 assert(i == cmds[i].cmd);
121 // a format string must be associated
122 assert(cmds[i].fmt != 0);
123 assert(strlen(cmds[i].fmt) <= MAX_FMTLEN);
124 // format string must match arg specification
125 switch (cmds[i].argsNeeded) {
126 case XsldbgCmdInfo::argNone:
127 assert(strchr(cmds[i].fmt, '%') == 0);
128 break;
129 case XsldbgCmdInfo::argString:
130 perc = strchr(cmds[i].fmt, '%');
131 assert(perc != 0 && perc[1] == 's');
132 assert(strchr(perc + 2, '%') == 0);
133 break;
134 case XsldbgCmdInfo::argNum:
135 perc = strchr(cmds[i].fmt, '%');
136 assert(perc != 0 && perc[1] == 'd');
137 assert(strchr(perc + 2, '%') == 0);
138 break;
139 case XsldbgCmdInfo::argStringNum:
140 perc = strchr(cmds[i].fmt, '%');
141 assert(perc != 0 && perc[1] == 's');
142 perc = strchr(perc + 2, '%');
143 assert(perc != 0 && perc[1] == 'd');
144 assert(strchr(perc + 2, '%') == 0);
145 break;
146 case XsldbgCmdInfo::argNumString:
147 perc = strchr(cmds[i].fmt, '%');
148 assert(perc != 0 && perc[1] == 'd');
149 perc = strchr(perc + 2, '%');
150 assert(perc != 0 && perc[1] == 's');
151 assert(strchr(perc + 2, '%') == 0);
152 break;
153 case XsldbgCmdInfo::argString2:
154 perc = strchr(cmds[i].fmt, '%');
155 assert(perc != 0 && perc[1] == 's');
156 perc = strchr(perc + 2, '%');
157 assert(perc != 0 && perc[1] == 's');
158 assert(strchr(perc + 2, '%') == 0);
159 break;
160 case XsldbgCmdInfo::argNum2:
161 perc = strchr(cmds[i].fmt, '%');
162 assert(perc != 0 && perc[1] == 'd');
163 perc = strchr(perc + 2, '%');
164 assert(perc != 0 && perc[1] == 'd');
165 assert(strchr(perc + 2, '%') == 0);
166 break;
169 #endif
172 XsldbgDriver::~XsldbgDriver()
177 QString
178 XsldbgDriver::driverName() const
180 return "XSLDBG";
183 QString
184 XsldbgDriver::defaultXsldbg()
186 return "xsldbg --lang en --shell --gdb";
189 QString
190 XsldbgDriver::defaultInvocation() const
192 return defaultXsldbg();
195 QStringList XsldbgDriver::boolOptionList() const
197 QStringList allOptions;
198 allOptions.append("verbose");
199 allOptions.append("repeat");
200 allOptions.append("debug");
201 allOptions.append("novalid");
202 allOptions.append("noout");
203 allOptions.append("html");
204 allOptions.append("docbook");
205 allOptions.append("nonet");
206 allOptions.append("catalogs");
207 allOptions.append("xinclude");
208 allOptions.append("profile");
209 return allOptions;
213 void
214 XsldbgDriver::slotReceiveOutput(KProcess * process, char *buffer,
215 int buflen)
217 //TRACE(buffer);
218 if (m_state != DSidle) {
219 // TRACE(buffer);
220 DebuggerDriver::slotReceiveOutput(process, buffer, buflen);
221 } else {
222 if (strncmp(buffer, "quit", 4) == 0) {
223 TRACE("Ignoring text when xsldbg is quiting");
224 } else {
225 TRACE
226 ("Stray output received by XsldbgDriver::slotReceiveOutput");
227 TRACE(buffer);
232 bool
233 XsldbgDriver::startup(QString cmdStr)
235 if (!DebuggerDriver::startup(cmdStr))
236 return false;
238 static const char xsldbgInitialize[] = "pwd\nsetoption gdb 2\n"; /* don't need to do anything else */
240 executeCmdString(DCinitialize, xsldbgInitialize, false);
242 return true;
245 void
246 XsldbgDriver::commandFinished(CmdQueueItem * cmd)
249 TRACE(__PRETTY_FUNCTION__);
250 // command string must be committed
251 if (!cmd->m_committed) {
252 // not commited!
253 TRACE("calling " +
254 (__PRETTY_FUNCTION__ +
255 (" with uncommited command:\n\t" + cmd->m_cmdString)));
256 return;
259 switch (cmd->m_cmd) {
260 case DCinitialize:
261 // get version number from preamble
263 int len;
264 QRegExp xsldbgVersion("^XSLDBG [0-9]+\\.[0-9]+\\.[0-9]+");
265 int offset = xsldbgVersion.match(m_output, 0, &len);
267 if (offset >= 0) {
268 char *start = m_output + offset + 7; // skip "^XSLDBG "
269 char *end;
271 TRACE("Reading version");
272 TRACE(start);
273 m_gdbMajor = strtol(start, &end, 10);
274 m_gdbMinor = strtol(end + 1, 0, 10); // skip "."
275 if (start == end) {
276 // nothing was parsed
277 m_gdbMajor = 0;
278 m_gdbMinor = 7;
280 } else {
281 // assume some default version (what would make sense?)
282 m_gdbMajor = 0;
283 m_gdbMinor = 7;
285 TRACE(QString("Got version ") +
286 QString::number(m_gdbMajor) + "." +
287 QString::number(m_gdbMinor));
288 break;
290 default:;
292 /* ok, the command is ready */
293 emit commandReceived(cmd, m_output);
295 switch (cmd->m_cmd) {
296 case DCbt:
297 case DCinfolocals:
298 case DCrun:
299 case DCcont:
300 case DCstep:
301 case DCnext:
302 case DCfinish:{
303 if (!::isErrorExpr(m_output))
304 parseMarker();
305 else{
306 // This only shows an error for DCinfolocals
307 // need to update KDebugger::handleRunCommand ?
308 KMessageBox::sorry(0L, m_output);
311 break;
313 case DCinfolinemain:
314 if (!m_xslFile.isEmpty())
315 emit activateFileLine(m_xslFile, 0, DbgAddr());
316 break;
318 default:;
322 void
323 XsldbgDriver::parseMarker()
326 // TRACE("parseMarker : xsldbg");
327 // TRACE(m_output);
328 int len, markerStart = -1;
329 char *p = m_output;
331 while (markerStart == -1) {
332 if ((p == 0) || (*p == '\0')) {
333 m_output[0] = '\0';
334 return;
336 //TRACE(QString("parseMarker is looking at :") + p);
337 markerStart = m_markerRE.match(p, 0, &len);
338 if (markerStart == -1) {
339 // try to marker on next line !
340 p = strchr(p, '\n');
341 if ((p != 0) && (*p != '\0'))
342 p++;
347 // extract the marker
348 char *startMarker = p + markerStart + len;
350 //TRACE(QString("found marker:") + startMarker);
351 char *endMarker = strchr(startMarker, '\n');
353 if (endMarker == 0)
354 return;
356 *endMarker = '\0';
358 // extract filename and line number
359 static QRegExp MarkerRE(" at line [0-9]+");
361 int lineNoStart = MarkerRE.match(startMarker, 0, &len);
363 if (lineNoStart >= 0) {
364 int lineNo = atoi(startMarker + lineNoStart + 8);
366 DbgAddr address;
368 // now show the window
369 startMarker[lineNoStart-1] = '\0'; /* split off file name */
370 TRACE("Got file and line number");
371 startMarker++;
372 TRACE(QString(startMarker) + ": " + QString::number(lineNo));
373 emit activateFileLine(startMarker, lineNo - 1, address);
379 * Escapes characters that might lead to problems when they appear on gdb's
380 * command line.
382 static void
383 normalizeStringArg(QString & arg)
386 * Remove trailing backslashes. This approach is a little simplistic,
387 * but we know that there is at the moment no case where a trailing
388 * backslash would make sense.
390 while (!arg.isEmpty() && arg[arg.length() - 1] == '\\') {
391 arg = arg.left(arg.length() - 1);
396 QString
397 XsldbgDriver::makeCmdString(DbgCommand cmd, QString strArg)
399 assert(cmd >= 0 && cmd < NUM_CMDS);
400 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argString);
402 normalizeStringArg(strArg);
404 if (cmd == DCcd) {
405 // need the working directory when parsing the output
406 m_programWD = strArg;
407 } else if (cmd == DCexecutable) {
408 // want to display the XSL file
409 m_xslFile = strArg;
412 QString cmdString;
413 cmdString.sprintf(cmds[cmd].fmt, strArg.latin1());
414 return cmdString;
417 QString
418 XsldbgDriver::makeCmdString(DbgCommand cmd, int intArg)
420 assert(cmd >= 0 && cmd < NUM_CMDS);
421 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argNum);
423 QString cmdString;
424 cmdString.sprintf(cmds[cmd].fmt, intArg);
425 return cmdString;
428 QString
429 XsldbgDriver::makeCmdString(DbgCommand cmd, QString strArg, int intArg)
431 assert(cmd >= 0 && cmd < NUM_CMDS);
432 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argStringNum ||
433 cmds[cmd].argsNeeded == XsldbgCmdInfo::argNumString ||
434 cmd == DCexamine || cmd == DCtty);
436 normalizeStringArg(strArg);
438 QString cmdString;
440 if (cmd == DCtty) {
442 * intArg specifies which channels should be redirected to
443 * /dev/null. It is a value or'ed together from RDNstdin,
444 * RDNstdout, RDNstderr.
446 static const char *const runRedir[8] = {
448 " </dev/null",
449 " >/dev/null",
450 " </dev/null >/dev/null",
451 " 2>/dev/null",
452 " </dev/null 2>/dev/null",
453 " >/dev/null 2>&1",
454 " </dev/null >/dev/null 2>&1"
457 if (strArg.isEmpty())
458 intArg = 7; /* failsafe if no tty */
459 m_redirect = runRedir[intArg & 7];
461 return makeCmdString(DCtty, strArg); /* note: no problem if strArg empty */
464 if (cmd == DCexamine) {
465 // make a format specifier from the intArg
466 static const char size[16] = {
467 '\0', 'b', 'h', 'w', 'g'
469 static const char format[16] = {
470 '\0', 'x', 'd', 'u', 'o', 't',
471 'a', 'c', 'f', 's', 'i'
474 assert(MDTsizemask == 0xf); /* lowest 4 bits */
475 assert(MDTformatmask == 0xf0); /* next 4 bits */
476 int count = 16; /* number of entities to print */
477 char sizeSpec = size[intArg & MDTsizemask];
478 char formatSpec = format[(intArg & MDTformatmask) >> 4];
480 assert(sizeSpec != '\0');
481 assert(formatSpec != '\0');
482 // adjust count such that 16 lines are printed
483 switch (intArg & MDTformatmask) {
484 case MDTstring:
485 case MDTinsn:
486 break; /* no modification needed */
487 default:
488 // all cases drop through:
489 switch (intArg & MDTsizemask) {
490 case MDTbyte:
491 case MDThalfword:
492 count *= 2;
493 case MDTword:
494 count *= 2;
495 case MDTgiantword:
496 count *= 2;
498 break;
500 QString spec;
502 spec.sprintf("/%d%c%c", count, sizeSpec, formatSpec);
504 return makeCmdString(DCexamine, spec, strArg);
507 if (cmds[cmd].argsNeeded == XsldbgCmdInfo::argStringNum) {
508 // line numbers are zero-based
509 if (cmd == DCuntil || cmd == DCbreakline ||
510 cmd == DCtbreakline || cmd == DCinfoline) {
511 intArg++;
513 if (cmd == DCinfoline) {
514 // must split off file name part
515 int slash = strArg.findRev('/');
517 if (slash >= 0)
518 strArg = strArg.right(strArg.length() - slash - 1);
520 cmdString.sprintf(cmds[cmd].fmt, strArg.latin1(), intArg);
521 } else {
522 cmdString.sprintf(cmds[cmd].fmt, intArg, strArg.latin1());
524 return cmdString;
527 QString
528 XsldbgDriver::makeCmdString(DbgCommand cmd, QString strArg1,
529 QString strArg2)
531 assert(cmd >= 0 && cmd < NUM_CMDS);
532 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argString2);
534 normalizeStringArg(strArg1);
535 normalizeStringArg(strArg2);
537 QString cmdString;
538 cmdString.sprintf(cmds[cmd].fmt, strArg1.latin1(), strArg2.latin1());
539 return cmdString;
542 QString
543 XsldbgDriver::makeCmdString(DbgCommand cmd, int intArg1, int intArg2)
545 assert(cmd >= 0 && cmd < NUM_CMDS);
546 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argNum2);
548 QString cmdString;
549 cmdString.sprintf(cmds[cmd].fmt, intArg1, intArg2);
550 return cmdString;
553 CmdQueueItem *
554 XsldbgDriver::executeCmd(DbgCommand cmd, bool clearLow)
556 assert(cmd >= 0 && cmd < NUM_CMDS);
557 assert(cmds[cmd].argsNeeded == XsldbgCmdInfo::argNone);
559 if (cmd == DCrun) {
560 m_haveCoreFile = false;
563 return executeCmdString(cmd, cmds[cmd].fmt, clearLow);
566 CmdQueueItem *
567 XsldbgDriver::executeCmd(DbgCommand cmd, QString strArg, bool clearLow)
569 return executeCmdString(cmd, makeCmdString(cmd, strArg), clearLow);
572 CmdQueueItem *
573 XsldbgDriver::executeCmd(DbgCommand cmd, int intArg, bool clearLow)
576 return executeCmdString(cmd, makeCmdString(cmd, intArg), clearLow);
579 CmdQueueItem *
580 XsldbgDriver::executeCmd(DbgCommand cmd, QString strArg, int intArg,
581 bool clearLow)
583 return executeCmdString(cmd, makeCmdString(cmd, strArg, intArg),
584 clearLow);
587 CmdQueueItem *
588 XsldbgDriver::executeCmd(DbgCommand cmd, QString strArg1, QString strArg2,
589 bool clearLow)
591 return executeCmdString(cmd, makeCmdString(cmd, strArg1, strArg2),
592 clearLow);
595 CmdQueueItem *
596 XsldbgDriver::executeCmd(DbgCommand cmd, int intArg1, int intArg2,
597 bool clearLow)
599 return executeCmdString(cmd, makeCmdString(cmd, intArg1, intArg2),
600 clearLow);
603 CmdQueueItem *
604 XsldbgDriver::queueCmd(DbgCommand cmd, QueueMode mode)
606 return queueCmdString(cmd, cmds[cmd].fmt, mode);
609 CmdQueueItem *
610 XsldbgDriver::queueCmd(DbgCommand cmd, QString strArg, QueueMode mode)
612 return queueCmdString(cmd, makeCmdString(cmd, strArg), mode);
615 CmdQueueItem *
616 XsldbgDriver::queueCmd(DbgCommand cmd, int intArg, QueueMode mode)
618 return queueCmdString(cmd, makeCmdString(cmd, intArg), mode);
621 CmdQueueItem *
622 XsldbgDriver::queueCmd(DbgCommand cmd, QString strArg, int intArg,
623 QueueMode mode)
625 return queueCmdString(cmd, makeCmdString(cmd, strArg, intArg), mode);
628 CmdQueueItem *
629 XsldbgDriver::queueCmd(DbgCommand cmd, QString strArg1, QString strArg2,
630 QueueMode mode)
632 return queueCmdString(cmd, makeCmdString(cmd, strArg1, strArg2), mode);
635 void
636 XsldbgDriver::terminate()
638 qDebug("XsldbgDriver::Terminate");
639 flushCommands();
640 executeCmdString(DCinitialize, "quit\n", true);
641 kill(SIGTERM);
642 m_state = DSidle;
645 void
646 XsldbgDriver::detachAndTerminate()
648 qDebug("XsldbgDriver::detachAndTerminate");
649 flushCommands();
650 executeCmdString(DCinitialize, "quit\n", true);
651 kill(SIGINT);
654 void
655 XsldbgDriver::interruptInferior()
657 // remove accidentally queued commands
658 qDebug("interruptInferior");
659 flushHiPriQueue();
660 kill(SIGINT);
663 static bool
664 isErrorExpr(const char *output)
666 int wordIndex;
667 bool result = false;
668 #define ERROR_WORD_COUNT 6
669 static const char *errorWords[ERROR_WORD_COUNT] = {
670 "Error:",
671 "error:", // libxslt error
672 "Unknown command",
673 "Warning:",
674 "warning:", // libxslt warning
675 "Information:" // xsldbg information
677 static int errorWordLength[ERROR_WORD_COUNT] = {
678 6, /* Error */
679 6, /* rror */
680 15, /* Unknown command*/
681 8, /* Warning */
682 8, /* warning */
683 12 /* Information */
686 for (wordIndex = 0; wordIndex < ERROR_WORD_COUNT; wordIndex++){
687 if (strncmp(output,
688 errorWords[wordIndex],
689 errorWordLength[wordIndex]) == 0){
690 result = true;
691 TRACE(QString("Error/Warning/Information from xsldbg ") + output);
692 break;
696 return result;
700 * Returns true if the output is an error message. If wantErrorValue is
701 * true, a new ExprValue object is created and filled with the error message.
703 static bool
704 parseErrorMessage(const char *output,
705 ExprValue * &variable, bool wantErrorValue)
707 if (isErrorExpr(output)) {
708 if (wantErrorValue) {
709 // put the error message as value in the variable
710 variable = new ExprValue(QString(), VarTree::NKplain);
711 const char *endMsg = strchr(output, '\n');
713 if (endMsg == 0)
714 endMsg = output + strlen(output);
715 variable->m_value = QString::fromLatin1(output, endMsg - output);
716 } else {
717 variable = 0;
719 return true;
721 return false;
725 void
726 XsldbgDriver::setPrintQStringDataCmd(const char* /*cmd*/)
730 ExprValue *
731 XsldbgDriver::parseQCharArray(const char */*output*/, bool /*wantErrorValue*/,
732 bool /*qt3like*/)
734 ExprValue *variable = 0;
736 TRACE("XsldbgDriver::parseQCharArray not implmented");
737 return variable;
740 static ExprValue *
741 parseVar(const char *&s)
743 const char *p = s;
744 bool foundLocalVar = false;
745 ExprValue *variable = 0L;
746 QString name;
748 VarTree::NameKind kind;
750 TRACE(__PRETTY_FUNCTION__);
751 TRACE(p);
753 if (parseErrorMessage(p, variable, false) == true) {
754 TRACE("Found error message");
755 return variable;
758 if (strncmp(p, " Local", 6) == 0) {
759 foundLocalVar = true;
760 /* skip " Local" */
761 p = p + 6;
762 TRACE("Found local variable");
763 } else if (strncmp(p, " Global", 7) == 0) {
764 /* skip " Global" */
765 p = p + 7;
766 TRACE("Found global variable");
767 } else if (strncmp(p, "= ", 2) == 0) {
768 /* we're processing the result of a "print command" */
769 /* find next line */
770 char *nextLine = strchr(p, '\n');
772 TRACE("Found print expr");
773 if (nextLine) {
774 p = p + 2; /* skip the "= " */
775 name = QString::fromLatin1(p, nextLine - p);
776 kind = VarTree::NKplain;
777 p = nextLine + 1;
778 variable = new ExprValue(name, kind);
779 variable->m_varKind = VarTree::VKsimple;
780 parseValue(p, variable);
781 return variable;
783 } else
784 return variable; /* don't know what to do this this data abort!! */
786 // skip whitespace
787 while (isspace(*p))
788 p++;
790 if (*p != '='){
791 // No value provided just a name
792 TRACE(QString("Parse var: name") + p);
793 if (!parseName(p, name, kind)) {
794 return 0;
796 variable = new ExprValue(name, kind);
797 if (variable != 0L) {
798 variable->m_varKind = VarTree::VKsimple;
800 }else{
801 p++;
802 // skip whitespace
803 while (isspace(*p))
804 p++;
805 TRACE(QString("Parse var: name") + p);
806 if (!parseName(p, name, kind)) {
807 return 0;
809 variable = new ExprValue(name, kind);
810 if (variable != 0L) {
811 variable->m_varKind = VarTree::VKsimple;
813 if (*p == '\n')
814 p++;
815 if (!parseValue(p, variable)) {
816 delete variable;
817 return 0;
821 if (*p == '\n')
822 p++;
824 s = p;
825 return variable;
829 inline void
830 skipName(const char *&p)
832 // allow : (for enumeration values) and $ and . (for _vtbl.)
833 while (isalnum(*p) || *p == '_' || *p == ':' || *p == '$' || *p == '.')
834 p++;
837 static bool
838 parseName(const char *&s, QString & name, VarTree::NameKind & kind)
840 /* qDebug(__PRETTY_FUNCTION__); */
841 kind = VarTree::NKplain;
843 const char *p = s;
844 int len = 0;
846 // examples of names:
847 // help_cmd
849 while ((*p != '\n') && (*p != '\0')) {
850 len++;
851 p++;
855 name = QString::fromLatin1(s, len);
856 /* XSL variables will have a $ prefix to be evaluated
857 * properly */
858 //TRACE(QString("parseName got name" ) + name);
860 // return the new position
861 s = p;
862 return true;
865 static bool
866 parseValue(const char *&s, ExprValue * variable)
868 const char *start = s, *end = s;
869 ExprValue * childValue;
870 #define VALUE_END_MARKER_INDEX 0
872 /* This mark the end of a value */
873 static const char *marker[] = {
874 "\032\032", /* value end marker*/
875 "(xsldbg) ",
876 "Breakpoint at", /* stepped to next location */
877 "Breakpoint in", /* reached a set breakpoint */
878 "Reached ", /* reached template */
879 "Error:",
880 "Warning:",
881 "Information:",
882 "runtime error",
883 "xmlXPathEval:",
886 static char valueBuffer[2048];
887 int markerIndex = 0, foundEnd = 0;
888 size_t copySize;
890 if (variable == 0L)
891 return false; /* should never happen but .. */
893 while (start && (*start != '\0')) {
894 /* look for the next marker */
895 for (markerIndex = 0; marker[markerIndex] != 0; markerIndex++) {
896 foundEnd =
897 strncmp(start, marker[markerIndex],
898 strlen(marker[markerIndex])) == 0;
899 if (foundEnd)
900 break;
903 if (foundEnd)
904 break;
907 end = strchr(start, '\n');
908 if (end)
909 copySize = end - start;
910 else
911 copySize = strlen(start);
912 if (copySize >= sizeof(valueBuffer))
913 copySize = sizeof(valueBuffer)-1;
915 strncpy(valueBuffer, start, copySize);
916 valueBuffer[copySize] = '\0';
917 TRACE("Got value :");
918 TRACE(valueBuffer);
919 if ((variable->m_varKind == VarTree::VKsimple)) {
920 if (!variable->m_value.isEmpty()){
921 variable->m_varKind = VarTree::VKarray;
922 childValue = new ExprValue(variable->m_value, VarTree::NKplain);
923 variable->appendChild(childValue);
924 childValue = new ExprValue(valueBuffer, VarTree::NKplain);
925 variable->appendChild(childValue);
926 variable->m_value = "";
927 }else{
928 variable->m_value = valueBuffer;
930 }else{
931 childValue = new ExprValue(valueBuffer, VarTree::NKplain);
932 variable->appendChild(childValue);
935 if (*end =='\n'){
936 start = end + 1;
937 }else{
938 start = end + 1;
939 break;
943 if (foundEnd == 0)
944 TRACE(QString("Unable to find end on value near :") + start);
946 // If we've got something otherthan a end of value marker then
947 // advance to the end of this buffer
948 if (markerIndex != VALUE_END_MARKER_INDEX){
949 while (start && *start != '\0')
950 start++;
951 }else{
952 start = start + strlen(marker[0]);
955 s = start;
957 return true;
962 * Parses a stack frame.
964 static void
965 parseFrameInfo(const char *&s, QString & func,
966 QString & file, int &lineNo, DbgAddr & /*address*/)
968 const char *p = s, *endPos = s + strlen(s);
969 QString lineNoString;
971 TRACE("parseFrameInfo");
973 lineNo = -1;
975 /* skip 'template :\" */
976 p = p + 11;
977 // TRACE(p);
978 func = "";
979 while ((*p != '\"') && (*p != '\0')) {
980 func.append(*p);
981 p++;
983 while ((*p != '\0') && *p != '"')
984 p++;
985 if (*p != '\0')
986 p++;
987 ASSERT(p <= endPos);
988 if (p >= endPos) {
989 /* panic */
990 return;
993 /* skip mode :".*" */
994 while ((*p != '\0') && *p != '"')
995 p++;
996 if (*p != '\0')
997 p++;
998 while ((*p != '\0') && *p != '"')
999 p++;
1001 /* skip '" in file ' */
1002 p = p + 10;
1003 if(*p == '"')
1004 p++;
1005 // TRACE(p);
1006 file = "";
1007 while (!isspace(*p) && (*p != '\"') && (*p != '\0')) {
1008 file.append(*p);
1009 p++;
1011 if(*p == '"')
1012 p++;
1013 ASSERT(p <= endPos);
1014 if (p >= endPos) {
1015 /* panic */
1016 return;
1019 // TRACE(p);
1020 /* skip ' : line '" */
1021 p = p + 9;
1022 // TRACE(p);
1023 ASSERT(p <= endPos);
1024 if (p >= endPos) {
1025 /* panic */
1026 return;
1028 // TRACE(p);
1029 if (isdigit(*p)) {
1030 /* KDbg uses an offset of +1 for its line numbers */
1031 lineNo = atoi(p) - 1;
1032 lineNoString = QString::number(lineNo);
1034 /* convert func into format needed */
1035 func.append(" at ");
1036 func.append(file);
1037 func.append(':');
1038 func.append(lineNoString);
1040 /*advance to next line */
1041 p = strchr(p, '\n');
1042 if (p)
1043 p++;
1044 s = p;
1048 #undef ISSPACE
1051 * Parses a stack frame including its frame number
1053 static bool
1054 parseFrame(const char *&s, int &frameNo, QString & func,
1055 QString & file, int &lineNo, DbgAddr & address)
1058 // TRACE("XsldbgDriver ::parseFrame");
1059 /* skip leading 'where' or 'frame <frame_no>' */
1060 if ((strncmp(s, "where", 5) == 0) || (strncmp(s, "frame", 5) == 0)) {
1061 s = strchr(s, '\n');
1062 if ((*s != '\0') && (*s != '#'))
1063 s++;
1065 // TRACE(s);
1067 // Example:
1068 //#1 template :"/" in file /home/keith/anon_CVS/xsldbg/docs/en/xsldoc.xsl : line 21
1069 // must start with a hash mark followed by number
1070 if (s[0] != '#' || !isdigit(s[1]))
1071 return false;
1073 //TRACE("XsldbgDriver ::parseFrame got #");
1074 s++; /* skip the hash mark */
1075 // frame number
1076 frameNo = atoi(s);
1077 while (isdigit(*s))
1078 s++;
1080 //TRACE(QString("Got frame ").append(QString::number(frameNo)));
1081 // space
1082 while (isspace(*s))
1083 s++;
1084 parseFrameInfo(s, func, file, lineNo, address);
1085 // TRACE("Will next look at ");
1086 // TRACE(s);
1087 return true;
1090 void
1091 XsldbgDriver::parseBackTrace(const char *output,
1092 QList < StackFrame > &stack)
1094 QString func, file;
1095 int lineNo, frameNo;
1096 DbgAddr address;
1098 while (::parseFrame(output, frameNo, func, file, lineNo, address)) {
1099 StackFrame *frm = new StackFrame;
1101 frm->frameNo = frameNo;
1102 frm->fileName = file;
1103 frm->lineNo = lineNo;
1104 frm->address = address;
1105 frm->var = new ExprValue(func, VarTree::NKplain);
1106 stack.append(frm);
1110 bool
1111 XsldbgDriver::parseFrameChange(const char *output, int &frameNo,
1112 QString & file, int &lineNo,
1113 DbgAddr & address)
1115 QString func;
1117 return::parseFrame(output, frameNo, func, file, lineNo, address);
1121 bool
1122 XsldbgDriver::parseBreakList(const char *output,
1123 QList < Breakpoint > &brks)
1125 TRACE("parseBreakList");
1126 /* skip the first blank line */
1127 const char *p;
1129 // split up a line
1130 QString location, file, lineNo;
1131 QString address;
1132 QString templateName;
1133 int hits = 0;
1134 int enabled = 0;
1135 uint ignoreCount = 0;
1136 QString condition;
1137 char *dummy;
1138 p = strchr(output, '\n');/* skip the first blank line*/
1140 while ((p != 0) && (*p != '\0')) {
1141 if (*p == '\n')
1142 p++;
1143 templateName = QString();
1144 Breakpoint::Type bpType = Breakpoint::breakpoint;
1145 //qDebug("Looking at :%s", p);
1146 if (strncmp(p, " Breakpoint", 11) != 0)
1147 break;
1148 p = p + 11;
1149 if (*p == '\0')
1150 break;
1152 //TRACE(p);
1153 // get Num
1154 long bpNum = strtol(p, &dummy, 10); /* don't care about overflows */
1156 p = dummy;
1157 if ((p == 0) || (p[1] == '\0'))
1158 break;
1159 p++;
1161 //TRACE(p);
1162 // Get breakpoint state ie enabled/disabled
1163 if (strncmp(p, "enabled", 7) == 0) {
1164 enabled = true;
1165 p = p + 7;
1166 } else {
1167 if (strncmp(p, "disabled", 8) == 0) {
1168 p = p + 8;
1169 enabled = false;
1170 } else{
1171 TRACE("Parse error in breakpoint list");
1172 TRACE(p);
1173 return false;
1177 //TRACE("Looking for template");
1178 //TRACE(p);
1179 if (strncmp(p, " for template: \"", 16) == 0){
1180 p = p + 16;
1181 //TRACE("Looking for template name near");
1182 //TRACE(p);
1183 /* get the template name */
1184 while (p && (*p != '\0') && (*p != '\"')){
1185 templateName.append(*p);
1186 p++;
1188 if (*p == '\"'){
1189 p++;
1190 }else{
1191 TRACE("Error missed \" near");
1192 TRACE(p);
1196 //TRACE("Looking for mode near");
1197 //TRACE(p);
1198 if (strncmp(p, " mode: \"", 8) == 0){
1199 p = p + 8;
1200 while (p && *p != '\"')
1201 p++;
1202 if (p)
1203 p++;
1206 if (strncmp(p, " in file ", 9) != 0){
1207 TRACE("Parse error in breakpoint list");
1208 TRACE(p);
1209 return false;
1213 /* skip ' in file ' */
1214 p = p + 9;
1215 // TRACE(p);
1217 if (*p == '\"')
1218 p++;
1219 /* grab file name */
1220 while ((*p != '\"') && !isspace(*p)) {
1221 file.append(*p);
1222 p++;
1224 if (*p == '\"')
1225 p++;
1226 if (*p == '\0')
1227 break;
1229 /* skip ' : line ' */
1230 p = p + 8;
1231 while (isspace(*p)) {
1232 p++;
1234 //TRACE(p);
1235 while (isdigit(*p)) {
1236 lineNo.append(*p);
1237 p++;
1242 Breakpoint *bp = new Breakpoint;
1243 if (bp != 0) {
1244 // take 1 of line number
1245 lineNo.setNum(lineNo.toInt() -1);
1246 bp->id = bpNum;
1247 bp->type = bpType;
1248 bp->temporary = false;
1249 bp->enabled = enabled;
1250 location.append("in ").append(templateName).append(" at ");
1251 location.append(file).append(":").append(lineNo);
1252 bp->location = location;
1253 bp->fileName = file;
1254 bp->lineNo = lineNo.toInt();
1255 bp->address = address;
1256 bp->hitCount = hits;
1257 bp->ignoreCount = ignoreCount;
1258 bp->condition = condition;
1259 brks.append(bp);
1260 location = "";
1261 lineNo = "";
1262 file = "";
1263 } else
1264 TRACE("Outof memory, breakpoint not created");
1266 if (p != 0) {
1267 p = strchr(p, '\n');
1268 if (p)
1269 p++;
1272 return true;
1275 bool
1276 XsldbgDriver::parseThreadList(const char */*output*/,
1277 QList < ThreadInfo > &/*threads*/)
1279 return true;
1282 bool
1283 XsldbgDriver::parseBreakpoint(const char *output, int &id,
1284 QString &file, int &lineNo, QString &address)
1286 // check for errors
1287 if ( strncmp(output, "Error:", 6) == 0) {
1288 return false;
1291 char *dummy;
1292 if (strncmp(output, "Breakpoint ", 11) != 0)
1293 return false;
1295 output += 11;
1296 if (!isdigit(*output))
1297 return false;
1299 // get Num
1300 id = strtol(output, &dummy, 10); /* don't care about overflows */
1301 if (output == dummy)
1302 return false;
1304 // the file name + lineNo will be filled in later from the breakpoint list
1305 file = address = QString();
1306 lineNo = 0;
1307 return true;
1310 void
1311 XsldbgDriver::parseLocals(const char *output, QList < ExprValue > &newVars)
1314 /* keep going until error or xsldbg prompt is found */
1315 while (*output != '\0') {
1316 ExprValue *variable = parseVar(output);
1318 if (variable == 0) {
1319 break;
1321 // do not add duplicates
1322 for (ExprValue * o = newVars.first(); o != 0; o = newVars.next()) {
1323 if (o->m_name == variable->m_name) {
1324 delete variable;
1326 goto skipDuplicate;
1329 newVars.append(variable);
1330 skipDuplicate:;
1335 ExprValue *
1336 XsldbgDriver::parsePrintExpr(const char *output, bool wantErrorValue)
1338 ExprValue* var = 0;
1339 // check for error conditions
1340 if (!parseErrorMessage(output, var, wantErrorValue)) {
1341 // parse the variable
1342 var = parseVar(output);
1344 return var;
1347 bool
1348 XsldbgDriver::parseChangeWD(const char *output, QString & message)
1350 bool isGood = false;
1352 if (strncmp(output, "Change to directory", 20) == 0) {
1353 output = output + 20; /* skip 'Change to directory' */
1354 message = QString(output).simplifyWhiteSpace();
1355 if (message.isEmpty()) {
1356 message = i18n("New working directory: ") + m_programWD;
1357 isGood = true;
1360 return isGood;
1363 bool
1364 XsldbgDriver::parseChangeExecutable(const char *output, QString & message)
1366 message = output;
1367 TRACE(QString("XsldbgDriver::parseChangeExecutable :") + output);
1368 m_haveCoreFile = false;
1371 * The command is successful if there is no output or the single
1372 * message (no debugging symbols found)...
1374 QRegExp exp(".*Load of source deferred. Use the run command.*");
1375 int len, index = exp.match(output, 0, &len);
1377 if (index != -1) {
1378 TRACE("Parsed stylesheet executable");
1379 message = "";
1381 return (output[0] == '\0') || (index != -1);
1384 bool
1385 XsldbgDriver::parseCoreFile(const char *output)
1387 TRACE("XsldbgDriver::parseCoreFile");
1388 TRACE(output);
1389 QRegExp exp(".*Load of data file deferred. Use the run command.*");
1390 int len, index = exp.match(output, 0, &len);
1392 if (index != -1) {
1393 m_haveCoreFile = true;
1394 TRACE("Parsed data file name");
1397 return m_haveCoreFile;
1400 uint
1401 XsldbgDriver::parseProgramStopped(const char *output, QString & message)
1403 /* Not sure about this function leave it here for the moment */
1405 * return DebuggerDriver::SFrefreshBreak & DebuggerDriver::SFprogramActive;
1408 // go through the output, line by line, checking what we have
1409 const char *start = output - 1;
1410 uint flags = SFprogramActive;
1412 message = QString();
1413 do {
1414 start++; /* skip '\n' */
1416 if (strncmp(start, "Finished stylesheet\n\032\032\n", 21) == 0){
1417 // flags &= ~SFprogramActive;
1418 break;
1421 // next line, please
1422 start = strchr(start, '\n');
1423 } while (start != 0);
1425 return flags;
1428 void
1429 XsldbgDriver::parseSharedLibs(const char */*output*/, QStrList & /*shlibs*/)
1431 /* empty */
1434 bool
1435 XsldbgDriver::parseFindType(const char */*output*/, QString & /*type*/)
1437 return true;
1440 void
1441 XsldbgDriver::parseRegisters(const char */*output*/,
1442 QList < RegisterInfo > &/*regs*/)
1447 bool
1448 XsldbgDriver::parseInfoLine(const char */*output*/, QString & /*addrFrom*/,
1449 QString & /*addrTo*/)
1451 return false;
1454 void
1455 XsldbgDriver::parseDisassemble(const char */*output*/,
1456 QList < DisassembledCode > &/*code*/)
1458 /* empty */
1461 QString
1462 XsldbgDriver::parseMemoryDump(const char */*output*/,
1463 QList < MemoryDump > &/*memdump*/)
1465 return i18n("No memory dump available");
1468 QString
1469 XsldbgDriver::parseSetVariable(const char */*output*/)
1471 QString msg;
1472 return msg;
1476 #include "xsldbgdriver.moc"