Mercurial Repositories > eric / file comparison
comparison: eric7/Debugger/CallTraceViewer.py
eric7/Debugger/CallTraceViewer.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8230
- 8b5c6896655b
- child 8318
- 962bce857696
equal
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Call Trace viewer widget. | |
| 8 """ | |
| 9 | |
| 10 import re | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt, QFileInfo | |
| 13 from PyQt5.QtWidgets import QWidget, QTreeWidgetItem | |
| 14 | |
| 15 from E5Gui.E5Application import e5App | |
| 16 from E5Gui import E5FileDialog, E5MessageBox | |
| 17 | |
| 18 from .Ui_CallTraceViewer import Ui_CallTraceViewer | |
| 19 | |
| 20 import UI.PixmapCache | |
| 21 import Preferences | |
| 22 import Utilities | |
| 23 | |
| 24 | |
| 25 class CallTraceViewer(QWidget, Ui_CallTraceViewer): | |
| 26 """ | |
| 27 Class implementing the Call Trace viewer widget. | |
| 28 | |
| 29 @signal sourceFile(str, int) emitted to show the source of a call/return | |
| 30 point | |
| 31 """ | |
| 32 sourceFile = pyqtSignal(str, int) | |
| 33 | |
| 34 def __init__(self, debugServer, debugViewer, parent=None): | |
| 35 """ | |
| 36 Constructor | |
| 37 | |
| 38 @param debugServer reference to the debug server object | |
| 39 @type DebugServer | |
| 40 @param debugViewer reference to the debug viewer object | |
| 41 @type DebugViewer | |
| 42 @param parent reference to the parent widget | |
| 43 @type QWidget | |
| 44 """ | |
| 45 super().__init__(parent) | |
| 46 self.setupUi(self) | |
| 47 | |
| 48 self.__dbs = debugServer | |
| 49 self.__debugViewer = debugViewer | |
| 50 | |
| 51 self.startTraceButton.setIcon( | |
| 52 UI.PixmapCache.getIcon("callTraceStart")) | |
| 53 self.stopTraceButton.setIcon( | |
| 54 UI.PixmapCache.getIcon("callTraceStop")) | |
| 55 self.resizeButton.setIcon(UI.PixmapCache.getIcon("resizeColumns")) | |
| 56 self.clearButton.setIcon(UI.PixmapCache.getIcon("editDelete")) | |
| 57 self.saveButton.setIcon(UI.PixmapCache.getIcon("fileSave")) | |
| 58 | |
| 59 self.__headerItem = QTreeWidgetItem( | |
| 60 ["", self.tr("From"), self.tr("To")]) | |
| 61 self.__headerItem.setIcon(0, UI.PixmapCache.getIcon("callReturn")) | |
| 62 self.callTrace.setHeaderItem(self.__headerItem) | |
| 63 | |
| 64 self.__callStack = [] | |
| 65 | |
| 66 self.__entryFormat = "{0}:{1} ({2})" | |
| 67 self.__entryRe = re.compile(r"""(.+):(\d+)\s\((.*)\)""") | |
| 68 | |
| 69 self.__projectMode = False | |
| 70 self.__project = None | |
| 71 self.__tracedDebuggerId = "" | |
| 72 | |
| 73 stopOnExit = Preferences.toBool( | |
| 74 Preferences.Prefs.settings.value("CallTrace/StopOnExit", True)) | |
| 75 self.stopCheckBox.setChecked(stopOnExit) | |
| 76 | |
| 77 self.__callTraceEnabled = (Preferences.toBool( | |
| 78 Preferences.Prefs.settings.value("CallTrace/Enabled", False)) and | |
| 79 not stopOnExit) | |
| 80 | |
| 81 if self.__callTraceEnabled: | |
| 82 self.startTraceButton.setEnabled(False) | |
| 83 else: | |
| 84 self.stopTraceButton.setEnabled(False) | |
| 85 | |
| 86 self.__dbs.callTraceInfo.connect(self.__addCallTraceInfo) | |
| 87 self.__dbs.clientExit.connect(self.__clientExit) | |
| 88 | |
| 89 def __setCallTraceEnabled(self, enabled): | |
| 90 """ | |
| 91 Private slot to set the call trace enabled status. | |
| 92 | |
| 93 @param enabled flag indicating the new state | |
| 94 @type bool | |
| 95 """ | |
| 96 if enabled: | |
| 97 self.__tracedDebuggerId = ( | |
| 98 self.__debugViewer.getSelectedDebuggerId() | |
| 99 ) | |
| 100 self.__dbs.setCallTraceEnabled(self.__tracedDebuggerId, enabled) | |
| 101 self.stopTraceButton.setEnabled(enabled) | |
| 102 self.startTraceButton.setEnabled(not enabled) | |
| 103 self.__callTraceEnabled = enabled | |
| 104 Preferences.Prefs.settings.setValue("CallTrace/Enabled", enabled) | |
| 105 | |
| 106 if not enabled: | |
| 107 for column in range(self.callTrace.columnCount()): | |
| 108 self.callTrace.resizeColumnToContents(column) | |
| 109 | |
| 110 @pyqtSlot(bool) | |
| 111 def on_stopCheckBox_clicked(self, checked): | |
| 112 """ | |
| 113 Private slot to handle a click on the stop check box. | |
| 114 | |
| 115 @param checked state of the check box | |
| 116 @type bool | |
| 117 """ | |
| 118 Preferences.Prefs.settings.setValue("CallTrace/StopOnExit", checked) | |
| 119 | |
| 120 @pyqtSlot() | |
| 121 def on_startTraceButton_clicked(self): | |
| 122 """ | |
| 123 Private slot to start call tracing. | |
| 124 """ | |
| 125 self.__setCallTraceEnabled(True) | |
| 126 | |
| 127 @pyqtSlot() | |
| 128 def on_stopTraceButton_clicked(self): | |
| 129 """ | |
| 130 Private slot to start call tracing. | |
| 131 """ | |
| 132 self.__setCallTraceEnabled(False) | |
| 133 | |
| 134 @pyqtSlot() | |
| 135 def on_resizeButton_clicked(self): | |
| 136 """ | |
| 137 Private slot to resize the columns of the call trace to their contents. | |
| 138 """ | |
| 139 for column in range(self.callTrace.columnCount()): | |
| 140 self.callTrace.resizeColumnToContents(column) | |
| 141 | |
| 142 @pyqtSlot() | |
| 143 def on_clearButton_clicked(self): | |
| 144 """ | |
| 145 Private slot to clear the call trace. | |
| 146 """ | |
| 147 self.clear() | |
| 148 | |
| 149 @pyqtSlot() | |
| 150 def on_saveButton_clicked(self): | |
| 151 """ | |
| 152 Private slot to save the call trace info to a file. | |
| 153 """ | |
| 154 if self.callTrace.topLevelItemCount() > 0: | |
| 155 fname, selectedFilter = E5FileDialog.getSaveFileNameAndFilter( | |
| 156 self, | |
| 157 self.tr("Save Call Trace Info"), | |
| 158 "", | |
| 159 self.tr("Text Files (*.txt);;All Files (*)"), | |
| 160 None, | |
| 161 E5FileDialog.Options(E5FileDialog.DontConfirmOverwrite)) | |
| 162 if fname: | |
| 163 ext = QFileInfo(fname).suffix() | |
| 164 if not ext: | |
| 165 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 166 if ex: | |
| 167 fname += ex | |
| 168 if QFileInfo(fname).exists(): | |
| 169 res = E5MessageBox.yesNo( | |
| 170 self, | |
| 171 self.tr("Save Call Trace Info"), | |
| 172 self.tr("<p>The file <b>{0}</b> already exists." | |
| 173 " Overwrite it?</p>").format(fname), | |
| 174 icon=E5MessageBox.Warning) | |
| 175 if not res: | |
| 176 return | |
| 177 fname = Utilities.toNativeSeparators(fname) | |
| 178 | |
| 179 try: | |
| 180 title = self.tr("Call Trace Info of '{0}'").format( | |
| 181 self.__tracedDebuggerId) | |
| 182 with open(fname, "w", encoding="utf-8") as f: | |
| 183 f.write("{0}\n".format(title)) | |
| 184 f.write("{0}\n\n".format(len(title) * "=")) | |
| 185 itm = self.callTrace.topLevelItem(0) | |
| 186 while itm is not None: | |
| 187 isCall = itm.data(0, Qt.ItemDataRole.UserRole) | |
| 188 call = "->" if isCall else "<-" | |
| 189 f.write("{0} {1} || {2}\n".format( | |
| 190 call, | |
| 191 itm.text(1), itm.text(2))) | |
| 192 itm = self.callTrace.itemBelow(itm) | |
| 193 except OSError as err: | |
| 194 E5MessageBox.critical( | |
| 195 self, | |
| 196 self.tr("Error saving Call Trace Info"), | |
| 197 self.tr("""<p>The call trace info could not""" | |
| 198 """ be written to <b>{0}</b></p>""" | |
| 199 """<p>Reason: {1}</p>""") | |
| 200 .format(fname, str(err))) | |
| 201 | |
| 202 @pyqtSlot(QTreeWidgetItem, int) | |
| 203 def on_callTrace_itemDoubleClicked(self, item, column): | |
| 204 """ | |
| 205 Private slot to open the double clicked file in an editor. | |
| 206 | |
| 207 @param item reference to the double clicked item | |
| 208 @type QTreeWidgetItem | |
| 209 @param column column that was double clicked | |
| 210 @type int | |
| 211 """ | |
| 212 if item is not None and column > 0: | |
| 213 columnStr = item.text(column) | |
| 214 match = self.__entryRe.fullmatch(columnStr.strip()) | |
| 215 if match: | |
| 216 filename, lineno, func = match.groups() | |
| 217 try: | |
| 218 lineno = int(lineno) | |
| 219 except ValueError: | |
| 220 # do nothing, if the line info is not an integer | |
| 221 return | |
| 222 if self.__projectMode: | |
| 223 filename = self.__project.getAbsolutePath(filename) | |
| 224 self.sourceFile.emit(filename, lineno) | |
| 225 | |
| 226 def clear(self): | |
| 227 """ | |
| 228 Public slot to clear the call trace info. | |
| 229 """ | |
| 230 self.callTrace.clear() | |
| 231 self.__callStack = [] | |
| 232 | |
| 233 def setProjectMode(self, enabled): | |
| 234 """ | |
| 235 Public slot to set the call trace viewer to project mode. | |
| 236 | |
| 237 In project mode the call trace info is shown with project relative | |
| 238 path names. | |
| 239 | |
| 240 @param enabled flag indicating to enable the project mode | |
| 241 @type bool | |
| 242 """ | |
| 243 self.__projectMode = enabled | |
| 244 if enabled and self.__project is None: | |
| 245 self.__project = e5App().getObject("Project") | |
| 246 | |
| 247 def __addCallTraceInfo(self, isCall, fromFile, fromLine, fromFunction, | |
| 248 toFile, toLine, toFunction, debuggerId): | |
| 249 """ | |
| 250 Private method to add an entry to the call trace viewer. | |
| 251 | |
| 252 @param isCall flag indicating a 'call' | |
| 253 @type bool | |
| 254 @param fromFile name of the originating file | |
| 255 @type str | |
| 256 @param fromLine line number in the originating file | |
| 257 @type str | |
| 258 @param fromFunction name of the originating function | |
| 259 @type str | |
| 260 @param toFile name of the target file | |
| 261 @type str | |
| 262 @param toLine line number in the target file | |
| 263 @type str | |
| 264 @param toFunction name of the target function | |
| 265 @type str | |
| 266 @param debuggerId ID of the debugger backend | |
| 267 @type str | |
| 268 """ | |
| 269 if debuggerId == self.__tracedDebuggerId: | |
| 270 if isCall: | |
| 271 icon = UI.PixmapCache.getIcon("forward") | |
| 272 else: | |
| 273 icon = UI.PixmapCache.getIcon("back") | |
| 274 parentItem = ( | |
| 275 self.__callStack[-1] if self.__callStack else self.callTrace) | |
| 276 | |
| 277 if self.__projectMode: | |
| 278 fromFile = self.__project.getRelativePath(fromFile) | |
| 279 toFile = self.__project.getRelativePath(toFile) | |
| 280 | |
| 281 itm = QTreeWidgetItem( | |
| 282 parentItem, | |
| 283 ["", | |
| 284 self.__entryFormat.format(fromFile, fromLine, fromFunction), | |
| 285 self.__entryFormat.format(toFile, toLine, toFunction)]) | |
| 286 itm.setIcon(0, icon) | |
| 287 itm.setData(0, Qt.ItemDataRole.UserRole, isCall) | |
| 288 itm.setExpanded(True) | |
| 289 | |
| 290 if isCall: | |
| 291 self.__callStack.append(itm) | |
| 292 else: | |
| 293 if self.__callStack: | |
| 294 self.__callStack.pop(-1) | |
| 295 | |
| 296 def isCallTraceEnabled(self): | |
| 297 """ | |
| 298 Public method to get the state of the call trace function. | |
| 299 | |
| 300 @return flag indicating the state of the call trace function | |
| 301 @rtype bool | |
| 302 """ | |
| 303 return self.__callTraceEnabled | |
| 304 | |
| 305 @pyqtSlot(str, int, str, bool, str) | |
| 306 def __clientExit(self, program, status, message, quiet, debuggerId): | |
| 307 """ | |
| 308 Private slot to handle a debug client terminating. | |
| 309 | |
| 310 @param program name of the exited program | |
| 311 @type str | |
| 312 @param status exit code of the debugged program | |
| 313 @type int | |
| 314 @param message exit message of the debugged program | |
| 315 @type str | |
| 316 @param quiet flag indicating to suppress exit info display | |
| 317 @type bool | |
| 318 @param debuggerId ID of the debugger backend | |
| 319 @type str | |
| 320 """ | |
| 321 if debuggerId == self.__tracedDebuggerId: | |
| 322 if self.stopCheckBox.isChecked(): | |
| 323 self.__setCallTraceEnabled(False) | |
| 324 self.__tracedDebuggerId = "" |
