void CmdVariable::PrintVariable(DebuggerClient &client, const String& varName) {
CmdVariable cmd(client.isStackTraceAsync()
? KindOfVariableAsync : KindOfVariable);
auto charCount = client.getDebuggerClientShortPrintCharCount();
cmd.m_frame = client.getFrame();
auto rcmd = client.xend<CmdVariable>(&cmd);
always_assert(rcmd->m_version == 2);
// Using the new protocol. rcmd contains a list of variables only. Fetch
// value of varName only, so that we can recover nicely when its value is too
// large to serialize.
cmd.m_varName = varName;
cmd.m_variables.reset();
cmd.m_formatMaxLen = charCount;
cmd.m_version = 2;
rcmd = client.xend<CmdVariable>(&cmd);
if (rcmd->m_variables.empty()) {
// Perhaps the value is too large? See recvImpl. Retry the command with
// version 1, in which case values are omitted.
cmd.m_version = 1;
rcmd = client.xend<CmdVariable>(&cmd);
if (!rcmd->m_variables.empty()) {
// It's there without values, and gone with values, so it is too large.
client.output(s_omitted);
}
return;
}
auto const get_var = [varName] (const CmdVariable& cmd) {
assert(cmd.m_variables.size() == 1);
assert(cmd.m_variables.exists(varName, true /* isKey */));
assert(cmd.m_variables[varName].isString());
return cmd.m_variables[varName].toString();
};
auto const value = get_var(*rcmd);
if (charCount <= 0 || value.size() <= charCount) {
client.output(value);
return;
}
// Don't show the "omitted" suffix.
client.output(StringSlice(value.data(), charCount));
if (client.ask("There are more characters. Continue? [y/N]") == 'y') {
// Now we get the full value, and show the rest.
cmd.m_variables.reset();
cmd.m_formatMaxLen = -1;
rcmd = client.xend<CmdVariable>(&cmd);
auto value = get_var(*rcmd);
auto rest = StringSlice(value.data() + charCount, value.size() - charCount);
client.output(rest);
client.tutorial("You can use 'set cc n' to increase the character"
" limit. 'set cc -1' will remove the limit.");
}
}
void CmdConfig::listVars(DebuggerClient &client) {
std::string LogFile = client.getLogFile();
client.print("LogFile(lf) %s", LogFile == "" ?
"off" : LogFile.c_str());
client.print("BypassAccessCheck(bac) %s",
client.getDebuggerClientBypassCheck() ? "on" : "off");
client.print("PrintLevel(pl) %d", client.getDebuggerClientPrintLevel());
client.print("ShortPrintCharCount(cc) %d",
client.getDebuggerClientShortPrintCharCount());
client.print("SmallStep(ss) %s",
client.getDebuggerClientSmallStep() ? "on" : "off");
client.print("StackArgs(sa) %s",
client.getDebuggerClientStackArgs() ? "on" : "off");
client.print("MaxCodeLines(mcl) %d",
client.getDebuggerClientMaxCodeLines());
}
void CmdVariable::PrintVariable(DebuggerClient &client, const String& varName) {
CmdVariable cmd(client.isStackTraceAsync()
? KindOfVariableAsync : KindOfVariable);
auto charCount = client.getDebuggerClientShortPrintCharCount();
cmd.m_frame = client.getFrame();
auto rcmd = client.xend<CmdVariable>(&cmd);
if (rcmd->m_version == 2) {
// Using the new protocol. rcmd contains a list of variables only.
// Fetch value of varName only, so that we can recover nicely when its
// value is too large to serialize.
cmd.m_varName = varName;
cmd.m_variables.reset();
cmd.m_version = 2;
rcmd = client.xend<CmdVariable>(&cmd);
if (rcmd->m_variables.empty()) {
// Perhaps the value is too large? See recvImpl.
// Retry the command with version 1, in which case values are omitted.
cmd.m_version = 1;
rcmd = client.xend<CmdVariable>(&cmd);
if (!rcmd->m_variables.empty()) {
// It's there without values, and gone with values, so it is too large.
client.output("...(omitted)");
return;
}
}
}
if (!rcmd->m_variables.empty()) {
for (ArrayIter iter(rcmd->m_variables); iter; ++iter) {
String name = iter.first().toString();
if (!name.equal(varName)) continue;
String value = DebuggerClient::FormatVariable(iter.second(), -1);
auto excess = value.length() - charCount;
if (charCount <= 0 || excess <= 0) {
client.output("%s", value.data());
} else {
client.output("%s", value.substr(0, charCount).data());
if (client.ask("There are %d more characters. Continue? [y/N]", excess)
== 'y') {
client.output("%s", value.substr(charCount).data());
client.tutorial("You can use 'set cc n' to increase the character"
" limit. 'set cc -1' will remove the limit.");
}
}
}
}
}
