Herman Venter
b91dd81677
Added comments to every method in cmd_breakpoint.cpp. Also renamed some methods to make their intent more obvious. Moved a few implementation methods from the public to protected space.
324 linhas
10 KiB
C++
324 linhas
10 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include <runtime/eval/debugger/cmd/cmd_interrupt.h>
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#include <runtime/eval/debugger/cmd/cmd_break.h>
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#include <runtime/eval/debugger/cmd/cmd_print.h>
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namespace HPHP { namespace Eval {
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///////////////////////////////////////////////////////////////////////////////
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void CmdInterrupt::sendImpl(DebuggerThriftBuffer &thrift) {
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DebuggerCommand::sendImpl(thrift);
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thrift.write(m_interrupt);
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thrift.write(m_program);
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thrift.write(m_errorMsg);
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thrift.write(m_threadId);
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// Used to be m_pendingJump, but that's been removed. Write false until
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// we rev the protocol.
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thrift.write(false);
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if (m_site) {
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thrift.write(true);
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thrift.write(m_site->getFile());
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thrift.write(m_site->getLine0());
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thrift.write(m_site->getChar0());
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thrift.write(m_site->getLine1());
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thrift.write(m_site->getChar1());
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thrift.write(m_site->getNamespace());
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thrift.write(m_site->getClass());
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thrift.write(m_site->getFunction());
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Variant e = m_site->getException();
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if (e.isNull()) {
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thrift.write("");
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} else if (e.isObject()) {
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thrift.write(e.toObject()->o_getClassName());
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} else {
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String ex(BreakPointInfo::ErrorClassName);
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thrift.write(ex);
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}
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thrift.write(e.toString());
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} else {
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thrift.write(false);
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}
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BreakPointInfo::SendImpl(m_matched, thrift);
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}
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void CmdInterrupt::recvImpl(DebuggerThriftBuffer &thrift) {
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DebuggerCommand::recvImpl(thrift);
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thrift.read(m_interrupt);
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thrift.read(m_program);
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thrift.read(m_errorMsg);
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thrift.read(m_threadId);
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// Used to be m_pendingJump, but that's been removed. Read a dummy bool until
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// we rev the protocol.
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bool dummy;
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thrift.read(dummy);
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m_bpi = BreakPointInfoPtr(new BreakPointInfo());
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bool site; thrift.read(site);
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if (site) {
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thrift.read(m_bpi->m_file);
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thrift.read(m_bpi->m_line1);
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thrift.read(m_bpi->m_char1);
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thrift.read(m_bpi->m_line2);
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thrift.read(m_bpi->m_char2);
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DFunctionInfoPtr func(new DFunctionInfo());
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thrift.read(func->m_namespace);
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thrift.read(func->m_class);
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thrift.read(func->m_function);
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m_bpi->m_funcs.push_back(func);
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thrift.read(m_bpi->m_exceptionClass);
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thrift.read(m_bpi->m_exceptionObject);
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}
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BreakPointInfo::RecvImpl(m_matched, thrift);
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}
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std::string CmdInterrupt::desc() const {
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switch (m_interrupt) {
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case SessionStarted:
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if (!m_program.empty()) {
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return m_program + " loaded.";
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}
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return "Program loaded.";
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case SessionEnded:
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if (!m_program.empty()) {
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return m_program + " exited normally.";
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}
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return "Program exited normally.";
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case RequestStarted:
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if (!m_program.empty()) {
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return m_program + " started.";
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}
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return "Web request started.";
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case RequestEnded:
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if (!m_program.empty()) {
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return m_program + " ended.";
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}
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return "Web request ended.";
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case PSPEnded:
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if (!m_program.empty()) {
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return "Post-Send Processing for " + m_program + " was ended.";
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}
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return "Post-Send Processing was ended.";
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case HardBreakPoint:
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case BreakPointReached:
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case ExceptionThrown: {
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assert(m_site);
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if (m_site) {
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return m_site->desc();
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}
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return "Breakpoint reached.";
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}
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}
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assert(false);
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return "";
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}
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bool CmdInterrupt::onClient(DebuggerClient *client) {
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client->setCurrentLocation(m_threadId, m_bpi);
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if (!client->getDebuggerSmallStep()) {
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// Adjust line and char if it's not small stepping
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if (m_bpi->m_line1 == m_bpi->m_line2) {
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m_bpi->m_char1 = 1;
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m_bpi->m_char2 = 100;
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}
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}
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client->setMatchedBreakPoints(m_matched);
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switch (m_interrupt) {
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case SessionStarted:
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if (!m_program.empty()) {
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client->info("Program %s loaded. Type '[r]un' or '[c]ontinue' to go.",
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m_program.c_str());
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m_bpi->m_file = m_program;
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}
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break;
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case SessionEnded:
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if (!m_program.empty()) {
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client->info("Program %s exited normally.", m_program.c_str());
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}
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break;
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case RequestStarted:
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if (!m_program.empty()) {
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client->info("Web request %s started.", m_program.c_str());
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}
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break;
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case RequestEnded:
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if (!m_program.empty()) {
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client->info("Web request %s ended.", m_program.c_str());
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}
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break;
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case PSPEnded:
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if (!m_program.empty()) {
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client->info("Post-Send Processing for %s was ended.",
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m_program.c_str());
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}
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break;
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case HardBreakPoint:
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case BreakPointReached:
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case ExceptionThrown: {
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bool found = false;
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bool toggled = false;
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BreakPointInfoPtrVec *bps = client->getBreakPoints();
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for (unsigned int i = 0; i < m_matched.size(); i++) {
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BreakPointInfoPtr bpm = m_matched[i];
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BreakPointInfoPtr bp;
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int index = 0;
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for (; index < (int)bps->size(); index++) {
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if (bpm->same((*bps)[index])) {
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bp = (*bps)[index];
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break;
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}
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}
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if (bp) {
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found = true;
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if (bp->m_state == BreakPointInfo::Once) {
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bp->m_state = BreakPointInfo::Disabled;
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toggled = true;
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}
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if (m_interrupt == BreakPointReached ||
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m_interrupt == HardBreakPoint) {
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client->info("Breakpoint %d reached %s", bp->index(),
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m_bpi->site().c_str());
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client->shortCode(m_bpi);
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} else {
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if (m_bpi->m_exceptionClass == BreakPointInfo::ErrorClassName) {
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client->info("Breakpoint %d reached: An error occurred %s",
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bp->index(), m_bpi->site().c_str());
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client->shortCode(m_bpi);
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client->error("Error Message: %s",
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m_bpi->m_exceptionObject.c_str());
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} else {
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client->info("Breakpoint %d reached: Throwing %s %s",
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bp->index(),
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m_bpi->m_exceptionClass.c_str(),
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m_bpi->site().c_str());
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client->shortCode(m_bpi);
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client->output(m_bpi->m_exceptionObject);
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}
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}
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if (!bpm->m_output.empty()) {
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client->print(bpm->m_output);
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}
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}
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}
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if (toggled) {
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CmdBreak::SendClientBreakpointListToServer(client);
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}
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if (!found) {
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if (m_interrupt == HardBreakPoint) {
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// for HardBreakPoint, default the frame to the caller
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client->setFrame(1);
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}
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client->info("Break %s", m_bpi->site().c_str());
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client->shortCode(m_bpi);
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}
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break;
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}
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}
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if (!m_errorMsg.empty()) {
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client->error(m_errorMsg);
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}
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// watches
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switch (m_interrupt) {
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case SessionStarted:
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case RequestStarted:
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break;
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default: {
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DebuggerClient::WatchPtrVec &watches = client->getWatches();
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for (int i = 0; i < (int)watches.size(); i++) {
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if (i > 0) client->output("");
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client->info("Watch %d: %s =", i + 1, watches[i]->second.c_str());
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Variant v = CmdPrint().processWatch(client, watches[i]->first,
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watches[i]->second);
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client->output(CmdPrint::FormatResult(watches[i]->first, v));
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}
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}
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}
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return true;
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}
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static const StaticString s_format("format");
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static const StaticString s_php("php");
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static const StaticString s_value("value");
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void CmdInterrupt::setClientOutput(DebuggerClient *client) {
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client->setOutputType(DebuggerClient::OTCodeLoc);
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client->setOTFileLine(m_bpi->m_file, m_bpi->m_line1);
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Array values;
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DebuggerClient::WatchPtrVec &watches = client->getWatches();
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for (int i = 0; i < (int)watches.size(); i++) {
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ArrayInit watch(3);
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watch.set(s_format, watches[i]->first);
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watch.set(s_php, watches[i]->second);
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Variant v = CmdPrint().processWatch(client, watches[i]->first,
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watches[i]->second);
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watch.set(s_value, CmdPrint::FormatResult(watches[i]->first, v));
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values.append(watch.create());
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}
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client->setOTValues(values);
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}
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bool CmdInterrupt::onServer(DebuggerProxy *proxy) {
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return proxy->sendToClient(this);
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}
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bool CmdInterrupt::shouldBreak(const BreakPointInfoPtrVec &bps) {
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switch (m_interrupt) {
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case SessionStarted:
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case SessionEnded:
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case HardBreakPoint:
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return true; // always break
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case RequestStarted:
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case RequestEnded:
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case PSPEnded:
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case BreakPointReached:
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case ExceptionThrown:
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m_matched.clear();
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if (m_site) {
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for (unsigned int i = 0; i < bps.size(); i++) {
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if (bps[i]->m_state != BreakPointInfo::Disabled &&
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bps[i]->match(getInterruptType(), *getSite())) {
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BreakPointInfoPtr bp(new BreakPointInfo());
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*bp = *bps[i]; // make a copy
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m_matched.push_back(bp);
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}
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}
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}
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return !m_matched.empty();
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}
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assert(false);
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return false;
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}
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std::string CmdInterrupt::getFileLine() const {
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string ret;
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if (m_site) {
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if (m_site->getFile()) {
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ret = m_site->getFile();
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}
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ret += ":" + lexical_cast<string>(m_site->getLine0());
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}
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////
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}}
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