Arquivos
hhvm/hphp/runtime/debugger/cmd/cmd_interrupt.cpp
T
Herman Venter ee2cd8d32e Do not evaluate breakpoint conditions during stepping.
Flow control commands should not evaluate the conditions of conditional breakpoints when enabling and disabling breakpoints during stepping. Also, all breakpoints, rather than just the first matching breakpoint should be enabled/disabled.
2013-07-18 17:28:39 -07:00

333 linhas
10 KiB
C++

/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#include "hphp/runtime/debugger/cmd/cmd_interrupt.h"
#include "hphp/runtime/debugger/cmd/cmd_break.h"
#include "hphp/runtime/debugger/cmd/cmd_print.h"
namespace HPHP { namespace Eval {
///////////////////////////////////////////////////////////////////////////////
TRACE_SET_MOD(debugger);
void CmdInterrupt::sendImpl(DebuggerThriftBuffer &thrift) {
DebuggerCommand::sendImpl(thrift);
assert(m_interrupt != ExceptionHandler); // Server-side only.
thrift.write(m_interrupt);
thrift.write(m_program);
thrift.write(m_errorMsg);
thrift.write(m_threadId);
// Used to be m_pendingJump, but that's been removed. Write false until
// we rev the protocol.
thrift.write(false);
if (m_site) {
thrift.write(true);
thrift.write(m_site->getFile());
thrift.write(m_site->getLine0());
thrift.write(m_site->getChar0());
thrift.write(m_site->getLine1());
thrift.write(m_site->getChar1());
thrift.write(m_site->getNamespace());
thrift.write(m_site->getClass());
thrift.write(m_site->getFunction());
Variant e = m_site->getError();
if (e.isNull()) {
thrift.write("");
} else if (e.isObject()) {
thrift.write(e.toObject()->o_getClassName());
} else {
String ex(BreakPointInfo::ErrorClassName);
thrift.write(ex);
}
thrift.write(e.toString());
} else {
thrift.write(false);
}
BreakPointInfo::SendImpl(0, m_matched, thrift);
}
void CmdInterrupt::recvImpl(DebuggerThriftBuffer &thrift) {
DebuggerCommand::recvImpl(thrift);
thrift.read(m_interrupt);
thrift.read(m_program);
thrift.read(m_errorMsg);
thrift.read(m_threadId);
// Used to be m_pendingJump, but that's been removed. Read a dummy bool until
// we rev the protocol.
bool dummy;
thrift.read(dummy);
m_bpi = BreakPointInfoPtr(new BreakPointInfo());
bool site; thrift.read(site);
if (site) {
thrift.read(m_bpi->m_file);
thrift.read(m_bpi->m_line1);
thrift.read(m_bpi->m_char1);
thrift.read(m_bpi->m_line2);
thrift.read(m_bpi->m_char2);
DFunctionInfoPtr func(new DFunctionInfo());
thrift.read(func->m_namespace);
thrift.read(func->m_class);
thrift.read(func->m_function);
m_bpi->m_funcs.push_back(func);
thrift.read(m_bpi->m_exceptionClass);
thrift.read(m_bpi->m_exceptionObject);
}
BreakPointInfo::RecvImpl(0, m_matched, thrift);
}
std::string CmdInterrupt::desc() const {
switch (m_interrupt) {
case SessionStarted:
if (!m_program.empty()) {
return m_program + " loaded.";
}
return "Program loaded.";
case SessionEnded:
if (!m_program.empty()) {
return m_program + " exited normally.";
}
return "Program exited normally.";
case RequestStarted:
if (!m_program.empty()) {
return m_program + " started.";
}
return "Web request started.";
case RequestEnded:
if (!m_program.empty()) {
return m_program + " ended.";
}
return "Web request ended.";
case PSPEnded:
if (!m_program.empty()) {
return "Post-Send Processing for " + m_program + " was ended.";
}
return "Post-Send Processing was ended.";
case HardBreakPoint:
case BreakPointReached:
case ExceptionThrown: {
assert(m_site);
if (m_site) {
return m_site->desc();
}
return "Breakpoint reached.";
}
}
assert(false);
return "";
}
void CmdInterrupt::onClientImpl(DebuggerClient &client) {
client.setCurrentLocation(m_threadId, m_bpi);
if (!client.getDebuggerClientSmallStep()) {
// Adjust line and char if it's not small stepping
if (m_bpi->m_line1 == m_bpi->m_line2) {
m_bpi->m_char1 = 1;
m_bpi->m_char2 = 100;
}
}
client.setMatchedBreakPoints(m_matched);
switch (m_interrupt) {
case SessionStarted:
if (!m_program.empty()) {
client.info("Program %s loaded. Type '[r]un' or '[c]ontinue' to go.",
m_program.c_str());
m_bpi->m_file = m_program;
}
break;
case SessionEnded:
if (!m_program.empty()) {
client.info("Program %s exited normally.", m_program.c_str());
}
break;
case RequestStarted:
if (!m_program.empty()) {
client.info("Web request %s started.", m_program.c_str());
}
break;
case RequestEnded:
if (!m_program.empty()) {
client.info("Web request %s ended.", m_program.c_str());
}
break;
case PSPEnded:
if (!m_program.empty()) {
client.info("Post-Send Processing for %s was ended.",
m_program.c_str());
}
break;
case HardBreakPoint:
case BreakPointReached:
case ExceptionThrown: {
bool found = false;
bool toggled = false;
BreakPointInfoPtrVec *bps = client.getBreakPoints();
for (unsigned int i = 0; i < m_matched.size(); i++) {
BreakPointInfoPtr bpm = m_matched[i];
BreakPointInfoPtr bp;
int index = 0;
for (; index < (int)bps->size(); index++) {
if (bpm->same((*bps)[index])) {
bp = (*bps)[index];
break;
}
}
if (bp) {
found = true;
if (bp->m_state == BreakPointInfo::Once) {
bp->m_state = BreakPointInfo::Disabled;
toggled = true;
}
if (m_interrupt == BreakPointReached ||
m_interrupt == HardBreakPoint) {
client.info("Breakpoint %d reached %s", bp->index(),
m_bpi->site().c_str());
client.shortCode(m_bpi);
} else {
if (m_bpi->m_exceptionClass == BreakPointInfo::ErrorClassName) {
client.info("Breakpoint %d reached: An error occurred %s",
bp->index(), m_bpi->site().c_str());
client.shortCode(m_bpi);
client.error("Error Message: %s",
m_bpi->m_exceptionObject.c_str());
} else {
client.info("Breakpoint %d reached: Throwing %s %s",
bp->index(),
m_bpi->m_exceptionClass.c_str(),
m_bpi->site().c_str());
client.shortCode(m_bpi);
if (client.isApiMode() || client.getLogFileHandler()) {
client.output(m_bpi->m_exceptionObject);
}
}
}
if (!bpm->m_output.empty()) {
client.print(bpm->m_output);
}
}
}
if (toggled) {
CmdBreak::SendClientBreakpointListToServer(client);
}
if (!found) {
if (m_interrupt == HardBreakPoint) {
// for HardBreakPoint, default the frame to the caller
client.setFrame(1);
}
client.info("Break %s", m_bpi->site().c_str());
client.shortCode(m_bpi);
}
break;
}
}
if (!m_errorMsg.empty()) {
client.error(m_errorMsg);
}
// watches
switch (m_interrupt) {
case SessionStarted:
case RequestStarted:
break;
default: {
DebuggerClient::WatchPtrVec &watches = client.getWatches();
for (int i = 0; i < (int)watches.size(); i++) {
if (i > 0) client.output("%s", "");
client.info("Watch %d: %s =", i + 1, watches[i]->second.c_str());
Variant v = CmdPrint().processWatch(client, watches[i]->first,
watches[i]->second);
client.output(CmdPrint::FormatResult(watches[i]->first, v));
}
}
}
}
const StaticString
s_format("format"),
s_php("php"),
s_value("value");
void CmdInterrupt::setClientOutput(DebuggerClient &client) {
client.setOutputType(DebuggerClient::OTCodeLoc);
client.setOTFileLine(m_bpi->m_file, m_bpi->m_line1);
Array values;
DebuggerClient::WatchPtrVec &watches = client.getWatches();
for (int i = 0; i < (int)watches.size(); i++) {
ArrayInit watch(3);
watch.set(s_format, watches[i]->first);
watch.set(s_php, watches[i]->second);
Variant v = CmdPrint().processWatch(client, watches[i]->first,
watches[i]->second);
watch.set(s_value, CmdPrint::FormatResult(watches[i]->first, v));
values.append(watch.create());
}
client.setOTValues(values);
}
bool CmdInterrupt::onServer(DebuggerProxy &proxy) {
return proxy.sendToClient(this);
}
bool CmdInterrupt::shouldBreak(DebuggerProxy &proxy,
const BreakPointInfoPtrVec &bps,
int stackDepth) {
switch (m_interrupt) {
case SessionStarted:
case SessionEnded:
case HardBreakPoint:
return true; // always break
case RequestStarted:
case RequestEnded:
case PSPEnded:
case BreakPointReached:
case ExceptionThrown:
m_matched.clear();
if (m_site) {
for (unsigned int i = 0; i < bps.size(); i++) {
if (bps[i]->m_state != BreakPointInfo::Disabled &&
bps[i]->breakable(stackDepth) &&
bps[i]->cmatch(proxy, getInterruptType(), *getSite())) {
BreakPointInfoPtr bp(new BreakPointInfo());
*bp = *bps[i]; // make a copy
m_matched.push_back(bp);
}
}
}
return !m_matched.empty();
case ExceptionHandler:
return false; // For flow control only at this time.
}
assert(false);
return false;
}
std::string CmdInterrupt::getFileLine() const {
string ret;
if (m_site) {
if (m_site->getFile()) {
ret = m_site->getFile();
}
ret += ":" + lexical_cast<string>(m_site->getLine0());
}
return ret;
}
///////////////////////////////////////////////////////////////////////////////
}}