Add support for converting numbers with a trailing dot

Author: adazem009

src/scratch/value_functions_p.h

@@ -320,6 +320,26 @@ extern "C"
             }
         }
 
+        // If there's a trailing dot, copy the string and append zero next to it (e. g. '1.' -> '1.0')
+        if (end[-1] == '.') {
+            if (copy) {
+                char *tmpCopy = new char[end - begin + 2];
+                memcpy(tmpCopy, begin, end - begin);
+                delete[] copy;
+                copy = tmpCopy;
+                end = copy + (end - begin) + 1;
+                begin = copy;
+            } else {
+                copy = new char[end - begin + 2];
+                memcpy(copy, begin, end - begin);
+                end = copy + (end - begin) + 1;
+                begin = copy;
+            }
+
+            copy[end - begin - 1] = '0';
+            copy[end - begin] = '\0';
+        }
+
         // Trim leading zeros
         bool trimmed = false;
 

test/scratch_classes/value_test.cpp

@@ -1297,6 +1297,13 @@ TEST(ValueTest, ToDouble)
     v = "-.15";
     ASSERT_EQ(v.toDouble(), -0.15);
 
+    v = "1.";
+    ASSERT_EQ(v.toDouble(), 1);
+    v = "+1.";
+    ASSERT_EQ(v.toDouble(), 1);
+    v = "-1.";
+    ASSERT_EQ(v.toDouble(), -1);
+
     v = "0+5";
     ASSERT_EQ(v.toDouble(), 0);
     v = "0-5";