diff options
Diffstat (limited to 'lldb/source/Target')
| -rw-r--r-- | lldb/source/Target/Target.cpp | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp index f9242b1972b..e8ed69d2834 100644 --- a/lldb/source/Target/Target.cpp +++ b/lldb/source/Target/Target.cpp @@ -17,6 +17,7 @@ #include "lldb/Breakpoint/BreakpointResolverAddress.h" #include "lldb/Breakpoint/BreakpointResolverFileLine.h" #include "lldb/Breakpoint/BreakpointResolverName.h" +#include "lldb/Core/DataBufferMemoryMap.h" #include "lldb/Core/Event.h" #include "lldb/Core/Log.h" #include "lldb/Core/Timer.h" @@ -853,6 +854,12 @@ Target::UpdateInstanceName () } } +const char * +Target::GetExpressionPrefixContentsAsCString () +{ + return m_expr_prefix_contents.c_str(); +} + //-------------------------------------------------------------- // class Target::SettingsController //-------------------------------------------------------------- @@ -976,6 +983,7 @@ TargetInstanceSettings::operator= (const TargetInstanceSettings &rhs) return *this; } +#define EXPR_PREFIX_STRING "expr-prefix" void TargetInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_name, @@ -987,14 +995,64 @@ TargetInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_n Error &err, bool pending) { - // Currently 'target' does not have any instance settings. + static ConstString expr_prefix_str (EXPR_PREFIX_STRING); + + if (var_name == expr_prefix_str) + { + switch (op) + { + default: + err.SetErrorToGenericError (); + err.SetErrorString ("Unrecognized operation. Cannot update value.\n"); + return; + case lldb::eVarSetOperationAssign: + { + FileSpec file_spec(value, true); + + if (!file_spec.Exists()) + { + err.SetErrorToGenericError (); + err.SetErrorStringWithFormat ("%s does not exist.\n", value); + return; + } + + DataBufferMemoryMap buf; + + if (!buf.MemoryMapFromFileSpec(&file_spec) && + buf.GetError().Fail()) + { + err.SetErrorToGenericError (); + err.SetErrorStringWithFormat ("Couldn't read from %s: %s\n", value, buf.GetError().AsCString()); + return; + } + + m_expr_prefix_path = value; + m_expr_prefix_contents.assign(reinterpret_cast<const char *>(buf.GetBytes()), buf.GetByteSize()); + } + return; + case lldb::eVarSetOperationAppend: + err.SetErrorToGenericError (); + err.SetErrorString ("Cannot append to a path.\n"); + return; + case lldb::eVarSetOperationClear: + m_expr_prefix_path.clear (); + m_expr_prefix_contents.clear (); + return; + } + } } void TargetInstanceSettings::CopyInstanceSettings (const lldb::InstanceSettingsSP &new_settings, - bool pending) + bool pending) { - // Currently 'target' does not have any instance settings. + TargetInstanceSettings *new_settings_ptr = static_cast <TargetInstanceSettings *> (new_settings.get()); + + if (!new_settings_ptr) + return; + + m_expr_prefix_path = new_settings_ptr->m_expr_prefix_path; + m_expr_prefix_contents = new_settings_ptr->m_expr_prefix_contents; } bool @@ -1003,9 +1061,20 @@ TargetInstanceSettings::GetInstanceSettingsValue (const SettingEntry &entry, StringList &value, Error *err) { - if (err) - err->SetErrorString ("'target' does not have any instance settings"); - return false; + static ConstString expr_prefix_str (EXPR_PREFIX_STRING); + + if (var_name == expr_prefix_str) + { + value.AppendString (m_expr_prefix_path.c_str(), m_expr_prefix_path.size()); + } + else + { + if (err) + err->SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); + return false; + } + + return true; } const ConstString @@ -1028,14 +1097,15 @@ TargetInstanceSettings::CreateInstanceName () SettingEntry Target::SettingsController::global_settings_table[] = { - //{ "var-name", var-type , "default", enum-table, init'd, hidden, "help-text"}, - { "default-arch", eSetVarTypeString, NULL, NULL, false, false, "Default architecture to choose, when there's a choice." }, + //{ "var-name", var-type, "default", enum-table, init'd, hidden, "help-text"}, + { "default-arch", eSetVarTypeString, NULL, NULL, false, false, "Default architecture to choose, when there's a choice." }, { NULL, eSetVarTypeNone, NULL, NULL, 0, 0, NULL } }; SettingEntry Target::SettingsController::instance_settings_table[] = { - //{ "var-name", var-type, "default", enum-table, init'd, hidden, "help-text"}, + //{ "var-name", var-type, "default", enum-table, init'd, hidden, "help-text"}, + { EXPR_PREFIX_STRING, eSetVarTypeString, NULL, NULL, false, false, "Path to a file containing expressions to be prepended to all expressions." }, { NULL, eSetVarTypeNone, NULL, NULL, 0, 0, NULL } }; |
