[ObjC] Add dataformatter for NSDecimalNumber

This patch adds a data formatter for NSDecimalNumber. The latter is a
Foundation object used for representing and performing arithmetic on
base-10 numbers that bridges to Decimal.

Differential revision: https://reviews.llvm.org/D48114

llvm-svn: 334638

2 files changed, 13 insertions, 1 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjC.py b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjC.py
index ef00bdc6eb8..7bf311ba6b1 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjC.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjC.py
@@ -215,6 +215,14 @@ class ObjCDataFormatterTestCase(TestBase):
                              '(NSNumber *) num_at3 = ', ' (double)12.5',
                              '(NSNumber *) num_at4 = ', ' (double)-12.5'])
 
+    def nsdecimalnumber_data_formatter_commands(self):
+        self.expect('frame variable decimal_number decimal_neg_number decimal_one decimal_zero decimal_nan',
+                    substrs=['(NSDecimalNumber *) decimal_number = ', '123456 x 10^-10',
+                             '(NSDecimalNumber *) decimal_neg_number = ', '-123456 x 10^10',
+                             '(NSDecimalNumber *) decimal_one = ', '1 x 10^0',
+                             '(NSDecimalNumber *) decimal_zero = ', '0',
+                             '(NSDecimalNumber *) decimal_nan = ', 'NaN'])
+
     def nscontainers_data_formatter_commands(self):
         self.expect(
             'frame variable newArray newDictionary newMutableDictionary cfarray_ref mutable_array_ref',
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/main.m b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/main.m
index e0642f3cb39..7382dbfba97 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/main.m
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-objc/main.m
@@ -169,7 +169,11 @@ int main (int argc, const char * argv[])
 	    NSNumber* num_at3 = @12.5;
 	    NSNumber* num_at4 = @-12.5;
 
-		NSDecimalNumber* decimal_one = [NSDecimalNumber one];
+	    NSDecimalNumber* decimal_number = [NSDecimalNumber decimalNumberWithMantissa:123456 exponent:-10 isNegative:NO];
+	    NSDecimalNumber* decimal_number_neg = [NSDecimalNumber decimalNumberWithMantissa:123456 exponent:10 isNegative:YES];
+	    NSDecimalNumber* decimal_one = [NSDecimalNumber one];
+	    NSDecimalNumber* decimal_zero = [NSDecimalNumber zero];
+	    NSDecimalNumber* decimal_nan = [NSDecimalNumber notANumber];
 
 	    NSString *str0 = [num6 stringValue];