Allow overriding THROW/CATCH/TRY macros with _USER versions #938

nlohmann · Jan 28, 2018 · 236f5a7 · 236f5a7
1 parent b3bd3b7
commit 236f5a7
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diff --git a/develop/detail/macro_scope.hpp b/develop/detail/macro_scope.hpp
@@ -46,6 +46,20 @@
     #define JSON_CATCH(exception) if(false)
 #endif
 
+// override exception macros
+#if define(JSON_THROW_USER)
+    #undef JSON_THROW
+    #define JSON_THROW JSON_THROW_USER
+#endif
+#if define(JSON_TRY_USER)
+    #undef JSON_TRY
+    #define JSON_TRY JSON_TRY_USER
+#endif
+#if define(JSON_CATCH_USER)
+    #undef JSON_CATCH
+    #define JSON_CATCH JSON_CATCH_USER
+#endif
+
 // manual branch prediction
 #if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
     #define JSON_LIKELY(x)      __builtin_expect(!!(x), 1)

diff --git a/src/json.hpp b/src/json.hpp
@@ -156,6 +156,20 @@ using json = basic_json<>;
     #define JSON_CATCH(exception) if(false)
 #endif
 
+// override exception macros
+#if define(JSON_THROW_USER)
+    #undef JSON_THROW
+    #define JSON_THROW JSON_THROW_USER
+#endif
+#if define(JSON_TRY_USER)
+    #undef JSON_TRY
+    #define JSON_TRY JSON_TRY_USER
+#endif
+#if define(JSON_CATCH_USER)
+    #undef JSON_CATCH
+    #define JSON_CATCH JSON_CATCH_USER
+#endif
+
 // manual branch prediction
 #if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
     #define JSON_LIKELY(x)      __builtin_expect(!!(x), 1)