Mike Magruder
c158e4a24b
Small stepping, which is stepping over sub-expressions (kinda), worked but was a little goofy. The mode was set on the client, passed over with control flow commands, placed on the execution context, then retrieved from there and used by those same flow commands. Removed the execution context part of it, since it was useless, and factored grabbing the offsets into the flow cmds where they belong instead of doing it all the time. The run cmd also had some notion of small stepping, but you'll note it was never sent over the wire. Nuked that, since it never mattered anyway.
331 linhas
10 KiB
C++
331 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) 2010-2013 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 "hphp/runtime/debugger/cmd/cmd_interrupt.h"
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#include "hphp/runtime/debugger/cmd/cmd_break.h"
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#include "hphp/runtime/debugger/cmd/cmd_print.h"
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namespace HPHP { namespace Eval {
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///////////////////////////////////////////////////////////////////////////////
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TRACE_SET_MOD(debugger);
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void CmdInterrupt::sendImpl(DebuggerThriftBuffer &thrift) {
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DebuggerCommand::sendImpl(thrift);
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assert(m_interrupt != ExceptionHandler); // Server-side only.
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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->getError();
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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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void CmdInterrupt::onClientImpl(DebuggerClient &client) {
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client.setCurrentLocation(m_threadId, m_bpi);
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if (!client.getDebuggerClientSmallStep()) {
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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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if (client.isApiMode() || client.getLogFileHandler()) {
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client.output(m_bpi->m_exceptionObject);
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}
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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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}
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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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int stackDepth) {
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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]->breakable(stackDepth) &&
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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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case ExceptionHandler:
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return false; // For flow control only at this time.
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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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