Small improvements around StringBlob (#2924)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Small fixes and improvements around reflection tool.

* Make PrettyWriter printing a class.

* Sundary improvements around StringBlob.

1 files changed, 12 insertions, 0 deletions

diff --git a/source/core/slang-string.h b/source/core/slang-string.h
index b4583d0b2..65fd3a315 100644
--- a/source/core/slang-string.h
+++ b/source/core/slang-string.h
@@ -81,6 +81,10 @@ namespace Slang
     public:
         typedef UnownedStringSlice ThisType;
 
+            // Type to indicate that a ctor is with a length to disabmiguate 0/nullptr 
+            // causing ambiguity.
+        struct WithLength {};
+
         UnownedStringSlice()
             : m_begin(nullptr)
             , m_end(nullptr)
@@ -98,6 +102,10 @@ namespace Slang
             : m_begin(b)
             , m_end(b + len)
         {}
+        UnownedStringSlice(WithLength, char const* b, size_t len)
+            : m_begin(b)
+            , m_end(b + len)
+        {}
 
         SLANG_FORCE_INLINE char const* begin() const { return m_begin; }
 
@@ -190,6 +198,7 @@ namespace Slang
         SLANG_FORCE_INLINE static UnownedStringSlice fromLiteral(const char (&in)[SIZE]) { return UnownedStringSlice(in, SIZE - 1); }
 
     protected:
+
         char const* m_begin;
         char const* m_end;
     };
@@ -216,6 +225,9 @@ namespace Slang
         template <size_t SIZE>
         SLANG_FORCE_INLINE static ThisType fromLiteral(const char(&in)[SIZE]) { return ThisType(in, SIZE - 1); }
 
+            /// Default constructor
+        UnownedTerminatedStringSlice():Super(Super::WithLength(), "", 0) {}
+        
             /// Note, b cannot be null because if it were then the string would not be null terminated
         UnownedTerminatedStringSlice(char const* b)
             : Super(b, b + strlen(b))