From 1ae3cc2fad06aa17bdaf1f5fc7713df0a1f24c92 Mon Sep 17 00:00:00 2001
From: Peter Conrad <cyrano@quisquis.de>
Date: Tue, 6 Mar 2018 22:14:30 +0100
Subject: [PATCH] Make unused parsers compile-time optional

---
 include/fc/io/json.hpp         | 4 ++++
 include/fc/io/json_relaxed.hpp | 1 -
 src/io/json.cpp                | 8 +++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/include/fc/io/json.hpp b/include/fc/io/json.hpp
index 8a46d13..10b5314 100644
--- a/include/fc/io/json.hpp
+++ b/include/fc/io/json.hpp
@@ -18,14 +18,18 @@ namespace fc
          enum parse_type
          {
             legacy_parser         = 0,
+#ifdef WITH_EXOTIC_JSON_PARSERS
             strict_parser         = 1,
             relaxed_parser        = 2,
             legacy_parser_with_string_doubles = 3
+#endif
          };
          enum output_formatting
          {
             stringify_large_ints_and_doubles = 0,
+#ifdef WITH_EXOTIC_JSON_PARSERS
             legacy_generator = 1
+#endif
          };
 
          static ostream& to_stream( ostream& out, const fc::string&);
diff --git a/include/fc/io/json_relaxed.hpp b/include/fc/io/json_relaxed.hpp
index 26a89a5..dd6db73 100644
--- a/include/fc/io/json_relaxed.hpp
+++ b/include/fc/io/json_relaxed.hpp
@@ -671,5 +671,4 @@ namespace fc { namespace json_relaxed
       }
 	  return variant();
    }
-
 } } // fc::json_relaxed
diff --git a/src/io/json.cpp b/src/io/json.cpp
index 8f4f2c1..d3296c9 100644
--- a/src/io/json.cpp
+++ b/src/io/json.cpp
@@ -319,7 +319,11 @@ namespace fc
       if (str == "-." || str == ".") // check the obviously wrong things we could have encountered
         FC_THROW_EXCEPTION(parse_error_exception, "Can't parse token \"${token}\" as a JSON numeric constant", ("token", str));
       if( dot )
-        return parser_type == json::legacy_parser_with_string_doubles ? variant(str) : variant(to_double(str));
+        return
+#ifdef WITH_EXOTIC_JSON_PARSERS
+              parser_type == json::legacy_parser_with_string_doubles ? variant(str) :
+#endif
+                  variant(to_double(str));
       if( neg )
         return to_int64(str);
       return to_uint64(str);
@@ -768,12 +772,14 @@ namespace fc
       {
           case legacy_parser:
               return variant_from_stream<fc::buffered_istream, legacy_parser>( in );
+#ifdef WITH_EXOTIC_JSON_PARSERS
           case legacy_parser_with_string_doubles:
               return variant_from_stream<fc::buffered_istream, legacy_parser_with_string_doubles>( in );
           case strict_parser:
               return json_relaxed::variant_from_stream<buffered_istream, true>( in );
           case relaxed_parser:
               return json_relaxed::variant_from_stream<buffered_istream, false>( in );
+#endif
           default:
               FC_ASSERT( false, "Unknown JSON parser type {ptype}", ("ptype", ptype) );
       }