Add include guards as backup for pragma once

Author: wravery

include/SchemaGenerator.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef SCHEMAGENERATOR_H
+#define SCHEMAGENERATOR_H
+
 #include <graphqlservice/GraphQLService.h>
 #include <graphqlservice/GraphQLGrammar.h>
 
@@ -235,6 +238,18 @@ struct GeneratorOptions
 	const bool noStubs = false;
 };
 
+// RAII object to help with emitting matching include guard begin and end statements
+class IncludeGuardScope
+{
+public:
+	explicit IncludeGuardScope(std::ostream& outputFile, std::string_view headerFileName) noexcept;
+	~IncludeGuardScope() noexcept;
+
+private:
+	std::ostream& _outputFile;
+	std::string _includeGuardName;
+};
+
 // RAII object to help with emitting matching namespace begin and end statements
 class NamespaceScope
 {
@@ -399,3 +414,5 @@ class Generator
 };
 
 } /* namespace graphql::schema */
+
+#endif // SCHEMAGENERATOR_H

include/graphqlservice/GraphQLGrammar.h

@@ -6,6 +6,9 @@
 
 #pragma once
 
+#ifndef GRAPHQLGRAMMAR_H
+#define GRAPHQLGRAMMAR_H
+
 #include <graphqlservice/GraphQLTree.h>
 
 #define TAO_PEGTL_NAMESPACE tao::graphqlpeg
@@ -1316,3 +1319,5 @@ struct document
 };
 
 } /* namespace graphql::peg */
+
+#endif // GRAPHQLGRAMMAR_H

include/graphqlservice/GraphQLParse.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef GRAPHQLPARSE_H
+#define GRAPHQLPARSE_H
+
 #include <memory>
 #include <string_view>
 
@@ -26,3 +29,5 @@ ast parseFile(std::string_view filename);
 peg::ast operator "" _graphql(const char* text, size_t size);
 
 } /* namespace graphql */
+
+#endif // GRAPHQLPARSE_H

include/graphqlservice/GraphQLResponse.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef GRAPHQLRESPONSE_H
+#define GRAPHQLRESPONSE_H
+
 #include <memory>
 #include <string>
 #include <vector>
@@ -176,3 +179,5 @@ struct Value
 };
 
 } /* namespace graphql::response */
+
+#endif // GRAPHQLRESPONSE_H

include/graphqlservice/GraphQLService.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef GRAPHQLSERVICE_H
+#define GRAPHQLSERVICE_H
+
 #include <graphqlservice/GraphQLParse.h>
 #include <graphqlservice/GraphQLResponse.h>
 
@@ -736,3 +739,5 @@ class Request : public std::enable_shared_from_this<Request>
 };
 
 } /* namespace graphql::service */
+
+#endif // GRAPHQLSERVICE_H

include/graphqlservice/GraphQLTree.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef GRAPHQLTREE_H
+#define GRAPHQLTREE_H
+
 #define TAO_PEGTL_NAMESPACE tao::graphqlpeg
 
 #include <tao/pegtl.hpp>
@@ -27,3 +30,5 @@ struct ast_input
 };
 
 } /* namespace graphql::peg */
+
+#endif // GRAPHQLTREE_H

include/graphqlservice/Introspection.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef INTROSPECTION_H
+#define INTROSPECTION_H
+
 #include <graphqlservice/IntrospectionSchema.h>
 
 namespace graphql::introspection {
@@ -273,3 +276,5 @@ class Directive : public object::Directive
 };
 
 } /* namespace graphql::introspection */
+
+#endif // INTROSPECTION_H

include/graphqlservice/JSONResponse.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef JSONRESPONSE_H
+#define JSONRESPONSE_H
+
 #include <graphqlservice/GraphQLResponse.h>
 
 namespace graphql::response {
@@ -12,3 +15,5 @@ std::string toJSON(Value&& response);
 Value parseJSON(const std::string& json);
 
 } /* namespace graphql::response */
+
+#endif // JSONRESPONSE_H

samples/introspection/IntrospectionSchema.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef INTROSPECTIONSCHEMA_H
+#define INTROSPECTIONSCHEMA_H
+
 #include <graphqlservice/GraphQLService.h>
 
 #include <memory>
@@ -205,3 +208,5 @@ void AddTypesToSchema(std::shared_ptr<introspection::Schema> schema);
 
 } /* namespace introspection */
 } /* namespace graphql */
+
+#endif // INTROSPECTIONSCHEMA_H

samples/separate/AppointmentConnectionObject.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#ifndef APPOINTMENTCONNECTIONOBJECT_H
+#define APPOINTMENTCONNECTIONOBJECT_H
+
 #include "TodaySchema.h"
 
 namespace graphql::today::object {
@@ -25,3 +28,5 @@ class AppointmentConnection
 };
 
 } /* namespace graphql::today::object */
+
+#endif // APPOINTMENTCONNECTIONOBJECT_H