Mike Magruder
0e88603b5d
The separation between these classes was a vestige of days gone by. Combined them. I ran into issue with having the proxy split up in particular when working on stepping, so doing this now as a separate diff to keep things cleaner.
385 linhas
12 KiB
C++
385 linhas
12 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_print.h>
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#include <runtime/base/time/datetime.h>
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#include <runtime/base/string_util.h>
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#include <runtime/vm/debugger_hook.h>
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namespace HPHP { namespace Eval {
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///////////////////////////////////////////////////////////////////////////////
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const char *CmdPrint::Formats[] = {
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"x", "v", "hex", "oct", "dec", "unsigned", "time", nullptr
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};
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std::string CmdPrint::FormatResult(const char *format, CVarRef ret) {
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if (format == nullptr) {
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String sret = DebuggerClient::FormatVariable(ret, -1);
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return string(sret.data(), sret.size());
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}
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if (strcmp(format, "v") == 0) {
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String sret = DebuggerClient::FormatVariable(ret, -1, true);
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return string(sret.data(), sret.size());
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}
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if (strcmp(format, "dec") == 0 ||
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strcmp(format, "unsigned") == 0 ||
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ret.isInteger()) {
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int64_t nret = ret.toInt64();
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char buf[64];
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if (strcmp(format, "hex") == 0 || strcmp(format, "x") == 0) {
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snprintf(buf, sizeof(buf), "%" PRIx64, nret);
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return buf;
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}
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if (strcmp(format, "oct") == 0) {
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snprintf(buf, sizeof(buf), "%" PRIo64, nret);
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return buf;
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}
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if (strcmp(format, "dec") == 0) {
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snprintf(buf, sizeof(buf), "%" PRId64, nret);
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return buf;
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}
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if (strcmp(format, "unsigned") == 0) {
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snprintf(buf, sizeof(buf), "%" PRIu64, nret);
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return buf;
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}
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if (strcmp(format, "time") == 0) {
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StringBuffer sb;
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DateTime dt(nret);
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sb.append("RFC822: ");
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sb.append(dt.toString(DateTime::RFC822));
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sb.append("\nRFC850: ");
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sb.append(dt.toString(DateTime::RFC850));
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sb.append("\nRFC1036: ");
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sb.append(dt.toString(DateTime::RFC1036));
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sb.append("\nRFC1123/RSS: ");
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sb.append(dt.toString(DateTime::RFC1123));
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sb.append("\nRFC2822: ");
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sb.append(dt.toString(DateTime::RFC2822));
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sb.append("\nRFC3339/ATOM/W3C: ");
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sb.append(dt.toString(DateTime::RFC3339));
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sb.append("\nISO8601: ");
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sb.append(dt.toString(DateTime::ISO8601));
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sb.append("\nCookie: ");
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sb.append(dt.toString(DateTime::Cookie));
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sb.append("\nHttpHeader: ");
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sb.append(dt.toString(DateTime::HttpHeader));
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return sb.data();
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}
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assert(false);
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}
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String sret = DebuggerClient::FormatVariable(ret, -1);
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if (strcmp(format, "hex") == 0 || strcmp(format, "x") == 0 ||
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strcmp(format, "oct") == 0) {
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StringBuffer sb;
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for (int i = 0; i < sret.size(); i++) {
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char ch = sret[i];
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if (isprint(ch)) {
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sb.append(ch);
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} else {
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char buf[6];
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if (strcmp(format, "oct") == 0) {
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snprintf(buf, sizeof(buf), "\\%03o", ch);
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} else {
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snprintf(buf, sizeof(buf), "\\x%02x", ch);
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}
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sb.append(buf);
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}
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}
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return sb.data() ? sb.data() : "";
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}
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if (strcmp(format, "time") == 0) {
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DateTime dt;
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int64_t ts = -1;
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if (dt.fromString(ret.toString(), SmartObject<TimeZone>())) {
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bool err;
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ts = dt.toTimeStamp(err);
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}
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return String(ts).data();
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}
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assert(false);
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return "";
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}
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///////////////////////////////////////////////////////////////////////////////
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void CmdPrint::sendImpl(DebuggerThriftBuffer &thrift) {
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DebuggerCommand::sendImpl(thrift);
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if (m_printLevel > 0) {
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g_context->setDebuggerPrintLevel(m_printLevel);
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}
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{
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String sdata;
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DebuggerWireHelpers::WireSerialize(m_ret, sdata);
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thrift.write(sdata);
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}
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if (m_printLevel > 0) {
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g_context->setDebuggerPrintLevel(-1);
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}
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thrift.write(m_output);
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thrift.write(m_frame);
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thrift.write(m_bypassAccessCheck);
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thrift.write(m_printLevel);
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thrift.write(m_noBreak);
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}
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void CmdPrint::recvImpl(DebuggerThriftBuffer &thrift) {
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DebuggerCommand::recvImpl(thrift);
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{
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String sdata;
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thrift.read(sdata);
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int error = DebuggerWireHelpers::WireUnserialize(sdata, m_ret);
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if (error) {
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m_ret = uninit_null();
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}
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if (error == DebuggerWireHelpers::HitLimit) {
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m_wireError = "Hit unserialization limit. "
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"Try with smaller print level";
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}
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}
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thrift.read(m_output);
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thrift.read(m_frame);
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thrift.read(m_bypassAccessCheck);
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thrift.read(m_printLevel);
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thrift.read(m_noBreak);
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}
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void CmdPrint::list(DebuggerClient *client) {
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if (client->arg(1, "clear")) {
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client->addCompletion("all");
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return;
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}
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client->addCompletion(DebuggerClient::AutoCompleteCode);
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if (client->argCount() == 0) {
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client->addCompletion(Formats);
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client->addCompletion("always");
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client->addCompletion("list");
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client->addCompletion("clear");
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} else if (client->argCount() == 1 && client->arg(1, "always")) {
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client->addCompletion(Formats);
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}
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}
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bool CmdPrint::help(DebuggerClient *client) {
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client->helpTitle("Print Command");
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client->helpCmds(
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"[p]rint {php}", "prints result of PHP code, (print_r)",
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"[p]rint v {php}", "prints result of PHP code, (var_dump)",
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"[p]rint x {php}", "prints hex encoded string or number",
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"[p]rint [h]ex {php}", "prints hex encoded string or number",
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"[p]rint [o]ct {php}", "prints octal encoded string or number",
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"[p]rint [d]ec {php}", "prints as signed integer",
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"[p]rint [u]nsigned {php}", "prints as unsigned integer",
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"[p]rint [t]ime {php}", "converts between time and timestamp",
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"", "",
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"[p]rint [a]lways {above}", "adds a watch expression at break",
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"[p]rint [l]ist", "lists watch expressions",
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"[p]rint [c]lear {index}", "clears a watch expression",
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"[p]rint [c]lear [a]ll", "clears all watch expressions",
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nullptr
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);
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client->helpBody(
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"Prints result of an expression in certain format. If '[a]lways' is "
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"specified, the expression will be added to a watch list. At every break, "
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"either at a breakpoint or caused by step commands, these expressions "
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"will be evaluated and printed out."
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);
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return true;
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}
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bool CmdPrint::processList(DebuggerClient *client) {
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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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client->print(" %d %s %s", i + 1,
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StringUtil::Pad(watches[i]->first, 8, " ",
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StringUtil::PadLeft).data(),
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watches[i]->second.c_str());
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}
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if (watches.empty()) {
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client->tutorial(
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"Use '[p]rint [a]lways ...' to set new watch expressions. "
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"Use '[p]rint ?|[h]elp' to read how to set them. "
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);
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} else {
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client->tutorial(
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"Use '[p]rint [c]lear {index}|[a]ll' to remove watch expression(s). "
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);
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}
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return true;
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}
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bool CmdPrint::processClear(DebuggerClient *client) {
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DebuggerClient::WatchPtrVec &watches = client->getWatches();
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if (watches.empty()) {
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client->error("There is no watch expression to clear.");
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client->tutorial(
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"Use '[p]rint [a]lways ...' to set new watch expressions. "
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"Use '[p]rint ?|[h]elp' to read how to set them. "
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);
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return true;
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}
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if (client->arg(2, "all")) {
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watches.clear();
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client->info("All watch expressions are cleared.");
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return true;
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}
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string snum = client->argValue(2);
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if (!DebuggerClient::IsValidNumber(snum)) {
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client->error("'[p]rint [c]lear' needs an {index} argument.");
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client->tutorial(
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"You will have to run '[p]rint [l]ist' first to see a list of valid "
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"numbers or indices to specify."
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);
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return true;
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}
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int num = atoi(snum.c_str()) - 1;
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if (num < 0 || num >= (int)watches.size()) {
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client->error("\"%s\" is not a valid index. Choose one from this list:",
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snum.c_str());
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processList(client);
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return true;
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}
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watches.erase(watches.begin() + num);
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return true;
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}
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Variant CmdPrint::processWatch(DebuggerClient *client, const char *format,
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const std::string &php) {
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m_body = php;
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m_frame = client->getFrame();
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m_noBreak = true;
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CmdPrintPtr res = client->xend<CmdPrint>(this);
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if (!res->m_output.empty()) {
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client->output(res->m_output);
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}
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return res->m_ret;
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}
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void CmdPrint::handleReply(DebuggerClient *client) {
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if (!m_output.empty()) {
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client->output(m_output);
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}
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client->output(m_ret);
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}
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bool CmdPrint::onClient(DebuggerClient *client) {
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if (DebuggerCommand::onClient(client)) return true;
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if (client->argCount() == 0) {
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return help(client);
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}
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int index = 1;
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if (client->arg(1, "always")) {
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m_isForWatch = true;
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if (client->argCount() == 1) {
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client->error("'[p]rint [a]lways' needs an expression to watch.");
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return true;
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}
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index++;
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} else if (client->arg(1, "list")) {
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m_isForWatch = true;
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return processList(client);
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} else if (client->arg(1, "clear")) {
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m_isForWatch = true;
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return processClear(client);
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}
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const char *format = nullptr;
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for (const char **fmt = Formats; *fmt; fmt++) {
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if (client->arg(index, *fmt)) {
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format = *fmt;
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index++;
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break;
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}
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}
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m_body = client->lineRest(index);
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if (m_isForWatch) {
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client->addWatch(format, m_body);
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return true;
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}
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m_bypassAccessCheck = client->getDebuggerBypassCheck();
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m_printLevel = client->getDebuggerPrintLevel();
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assert(m_printLevel <= 0 || m_printLevel >= DebuggerClient::MinPrintLevel);
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m_frame = client->getFrame();
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CmdPrintPtr res = client->xend<CmdPrint>(this);
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if (!res->is(m_type)) {
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assert(client->isApiMode());
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m_incomplete = true;
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res->setClientOutput(client);
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} else {
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m_output = res->m_output;
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m_ret = res->m_ret;
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if (!m_output.empty()) {
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client->output(m_output);
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}
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client->output(FormatResult(format, m_ret));
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}
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return true;
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}
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void CmdPrint::setClientOutput(DebuggerClient *client) {
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client->setOutputType(DebuggerClient::OTValues);
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Array values;
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if (m_isForWatch) {
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// Manipulating the watch list, output the current list
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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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Array watch;
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watch.set("format", watches[i]->first);
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watch.set("php", watches[i]->second);
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values.append(watch);
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}
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} else {
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// Just print an expression, do similar output as eval
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values.set("body", m_body);
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if (client->getDebuggerClientApiModeSerialize()) {
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values.set("value_serialize",
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DebuggerClient::FormatVariable(m_ret, 200));
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} else {
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values.set("value", m_ret);
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}
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}
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client->setOTValues(values);
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}
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bool CmdPrint::onServer(DebuggerProxy *proxy) {
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VM::PCFilter* locSave = g_vmContext->m_lastLocFilter;
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g_vmContext->m_lastLocFilter = new VM::PCFilter();
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g_vmContext->setDebuggerBypassCheck(m_bypassAccessCheck);
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{
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EvalBreakControl eval(m_noBreak);
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m_ret = DebuggerProxy::ExecutePHP(DebuggerProxy::MakePHPReturn(m_body),
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m_output, !proxy->isLocal(), m_frame);
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}
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g_vmContext->setDebuggerBypassCheck(false);
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delete g_vmContext->m_lastLocFilter;
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g_vmContext->m_lastLocFilter = locSave;
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return proxy->sendToClient(this);
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}
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///////////////////////////////////////////////////////////////////////////////
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}}
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