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path: root/source/Plugins/Language/ObjC/Cocoa.cpp
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Diffstat (limited to 'source/Plugins/Language/ObjC/Cocoa.cpp')
-rw-r--r--source/Plugins/Language/ObjC/Cocoa.cpp119
1 files changed, 88 insertions, 31 deletions
diff --git a/source/Plugins/Language/ObjC/Cocoa.cpp b/source/Plugins/Language/ObjC/Cocoa.cpp
index 8f49975332128..8f278fc2d5130 100644
--- a/source/Plugins/Language/ObjC/Cocoa.cpp
+++ b/source/Plugins/Language/ObjC/Cocoa.cpp
@@ -67,12 +67,12 @@ bool lldb_private::formatters::NSBundleSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
- if (!strcmp(class_name, "NSBundle")) {
+ if (class_name == "NSBundle") {
uint64_t offset = 5 * ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
offset,
@@ -117,12 +117,12 @@ bool lldb_private::formatters::NSTimeZoneSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
- if (!strcmp(class_name, "__NSTimeZone")) {
+ if (class_name == "__NSTimeZone") {
uint64_t offset = ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
offset, valobj.GetCompilerType(), true));
@@ -164,12 +164,12 @@ bool lldb_private::formatters::NSNotificationSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
- if (!strcmp(class_name, "NSConcreteNotification")) {
+ if (class_name == "NSConcreteNotification") {
uint64_t offset = ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
offset, valobj.GetCompilerType(), true));
@@ -211,14 +211,14 @@ bool lldb_private::formatters::NSMachPortSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
uint64_t port_number = 0;
- if (!strcmp(class_name, "NSMachPort")) {
+ if (class_name == "NSMachPort") {
uint64_t offset = (ptr_size == 4 ? 12 : 20);
Status error;
port_number = process_sp->ReadUnsignedIntegerFromMemory(
@@ -259,16 +259,15 @@ bool lldb_private::formatters::NSIndexSetSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
uint64_t count = 0;
do {
- if (!strcmp(class_name, "NSIndexSet") ||
- !strcmp(class_name, "NSMutableIndexSet")) {
+ if (class_name == "NSIndexSet" || class_name == "NSMutableIndexSet") {
Status error;
uint32_t mode = process_sp->ReadUnsignedIntegerFromMemory(
valobj_addr + ptr_size, 4, 0, error);
@@ -451,15 +450,18 @@ bool lldb_private::formatters::NSNumberSummaryProvider(
if (!valobj_addr)
return false;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name(descriptor->GetClassName().GetCString());
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
- if (!strcmp(class_name, "__NSCFBoolean"))
+ if (class_name == "__NSCFBoolean")
return ObjCBooleanSummaryProvider(valobj, stream, options);
- if (!strcmp(class_name, "NSNumber") || !strcmp(class_name, "__NSCFNumber")) {
+ if (class_name == "NSDecimalNumber")
+ return NSDecimalNumberSummaryProvider(valobj, stream, options);
+
+ if (class_name == "NSNumber" || class_name == "__NSCFNumber") {
uint64_t value = 0;
uint64_t i_bits = 0;
if (descriptor->GetTaggedPointerInfo(&i_bits, &value)) {
@@ -626,6 +628,55 @@ bool lldb_private::formatters::NSNumberSummaryProvider(
return false;
}
+bool lldb_private::formatters::NSDecimalNumberSummaryProvider(
+ ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
+ ProcessSP process_sp = valobj.GetProcessSP();
+ if (!process_sp)
+ return false;
+
+ lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
+ uint32_t ptr_size = process_sp->GetAddressByteSize();
+
+ Status error;
+ int8_t exponent = process_sp->ReadUnsignedIntegerFromMemory(
+ valobj_addr + ptr_size, 1, 0, error);
+ if (error.Fail())
+ return false;
+
+ uint8_t length_and_negative = process_sp->ReadUnsignedIntegerFromMemory(
+ valobj_addr + ptr_size + 1, 1, 0, error);
+ if (error.Fail())
+ return false;
+
+ // Fifth bit marks negativity.
+ const bool is_negative = (length_and_negative >> 4) & 1;
+
+ // Zero length and negative means NaN.
+ uint8_t length = length_and_negative & 0xf;
+ const bool is_nan = is_negative && (length == 0);
+
+ if (is_nan) {
+ stream.Printf("NaN");
+ return true;
+ }
+
+ if (length == 0) {
+ stream.Printf("0");
+ return true;
+ }
+
+ uint64_t mantissa = process_sp->ReadUnsignedIntegerFromMemory(
+ valobj_addr + ptr_size + 4, 8, 0, error);
+ if (error.Fail())
+ return false;
+
+ if (is_negative)
+ stream.Printf("-");
+
+ stream.Printf("%" PRIu64 " x 10^%" PRIi8, mantissa, exponent);
+ return true;
+}
+
bool lldb_private::formatters::NSURLSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
ProcessSP process_sp = valobj.GetProcessSP();
@@ -766,9 +817,9 @@ bool lldb_private::formatters::NSDateSummaryProvider(
stream.Printf("0001-12-30 00:00:00 +0000");
return true;
}
- // this snippet of code assumes that time_t == seconds since Jan-1-1970
- // this is generally true and POSIXly happy, but might break if a library
- // vendor decides to get creative
+ // this snippet of code assumes that time_t == seconds since Jan-1-1970 this
+ // is generally true and POSIXly happy, but might break if a library vendor
+ // decides to get creative
time_t epoch = GetOSXEpoch();
epoch = epoch + (time_t)date_value;
tm *tm_date = gmtime(&epoch);
@@ -871,28 +922,34 @@ bool lldb_private::formatters::NSDataSummaryProvider(
uint64_t value = 0;
- const char *class_name = descriptor->GetClassName().GetCString();
+ llvm::StringRef class_name = descriptor->GetClassName().GetCString();
- if (!class_name || !*class_name)
+ if (class_name.empty())
return false;
- if (!strcmp(class_name, "NSConcreteData") ||
- !strcmp(class_name, "NSConcreteMutableData") ||
- !strcmp(class_name, "__NSCFData")) {
- uint32_t offset = (is_64bit ? 16 : 8);
+ bool isNSConcreteData = class_name == "NSConcreteData";
+ bool isNSConcreteMutableData = class_name == "NSConcreteMutableData";
+ bool isNSCFData = class_name == "__NSCFData";
+ if (isNSConcreteData || isNSConcreteMutableData || isNSCFData) {
+ uint32_t offset;
+ if (isNSConcreteData)
+ offset = is_64bit ? 8 : 4;
+ else
+ offset = is_64bit ? 16 : 8;
+
Status error;
value = process_sp->ReadUnsignedIntegerFromMemory(
valobj_addr + offset, is_64bit ? 8 : 4, 0, error);
if (error.Fail())
return false;
- } else if (!strcmp(class_name, "_NSInlineData")) {
+ } else if (class_name == "_NSInlineData") {
uint32_t offset = (is_64bit ? 8 : 4);
Status error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + offset, 2,
0, error);
if (error.Fail())
return false;
- } else if (!strcmp(class_name, "_NSZeroData")) {
+ } else if (class_name == "_NSZeroData") {
value = 0;
} else
return false;
generated by cgit v1.3 (git 2.53.0) at 2026-09-03 05:48:37 +0000