From 6dc786b68369de4ba8227169172faeec94a32816 Mon Sep 17 00:00:00 2001
From: Shane32 <shane@acdmail.com>
Date: Mon, 4 Jul 2022 08:57:22 -0400
Subject: [PATCH 1/3] Define ParserContext as ref struct

---
 src/GraphQLParser.Tests/ParserTests.Throw.cs | 32 +++++++++++++++-----
 src/GraphQLParser/ParserContext.Parse.cs     |  2 +-
 src/GraphQLParser/ParserContext.cs           |  2 +-
 3 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/src/GraphQLParser.Tests/ParserTests.Throw.cs b/src/GraphQLParser.Tests/ParserTests.Throw.cs
index 7f14addc..616da69e 100644
--- a/src/GraphQLParser.Tests/ParserTests.Throw.cs
+++ b/src/GraphQLParser.Tests/ParserTests.Throw.cs
@@ -294,20 +294,36 @@ public void Should_Throw_If_Descriptions_Not_Allowed(string query)
     [Fact]
     public void Should_Throw_On_Unknown_Cases_From_ExpectOneOf()
     {
-        var context = new ParserContext("abc", default);
-        Should.Throw<NotSupportedException>(() => context.ParseNamedDefinition(new[] { "abc" }))
+        Should.Throw<NotSupportedException>(
+            () =>
+            {
+                var context = new ParserContext("abc", default);
+                context.ParseNamedDefinition(new[] { "abc" });
+            })
             .Message.ShouldBe("Unexpected keyword 'abc' in ParseNamedDefinition.");
 
-        context = new ParserContext("abc", default);
-        Should.Throw<NotSupportedException>(() => context.ParseOperationType(new[] { "abc" }))
+        Should.Throw<NotSupportedException>(
+            () =>
+            {
+                var context = new ParserContext("abc", default);
+                context.ParseOperationType(new[] { "abc" });
+            })
             .Message.ShouldBe("Unexpected keyword 'abc' in ParseOperationType.");
 
-        context = new ParserContext("abc", default);
-        Should.Throw<NotSupportedException>(() => context.ParseDirectiveLocation(new[] { "abc" }))
+        Should.Throw<NotSupportedException>(
+            () =>
+            {
+                var context = new ParserContext("abc", default);
+                context.ParseDirectiveLocation(new[] { "abc" });
+            })
             .Message.ShouldBe("Unexpected keyword 'abc' in ParseDirectiveLocation.");
 
-        context = new ParserContext("extend abc", default);
-        Should.Throw<NotSupportedException>(() => context.ParseTypeExtension(new[] { "abc" }))
+        Should.Throw<NotSupportedException>(
+            () =>
+            {
+                var context = new ParserContext("extend abc", default);
+                context.ParseTypeExtension(new[] { "abc" });
+            })
             .Message.ShouldBe("Unexpected keyword 'abc' in ParseTypeExtension.");
     }
 }
diff --git a/src/GraphQLParser/ParserContext.Parse.cs b/src/GraphQLParser/ParserContext.Parse.cs
index 4a0cdad1..6e8a1622 100644
--- a/src/GraphQLParser/ParserContext.Parse.cs
+++ b/src/GraphQLParser/ParserContext.Parse.cs
@@ -4,7 +4,7 @@
 namespace GraphQLParser;
 
 // WARNING: mutable struct, pass it by reference to those methods that will change it
-internal partial struct ParserContext
+internal ref partial struct ParserContext
 {
     // http://spec.graphql.org/October2021/#Document
     public GraphQLDocument ParseDocument()
diff --git a/src/GraphQLParser/ParserContext.cs b/src/GraphQLParser/ParserContext.cs
index 3a45135c..38c2f03c 100644
--- a/src/GraphQLParser/ParserContext.cs
+++ b/src/GraphQLParser/ParserContext.cs
@@ -6,7 +6,7 @@
 namespace GraphQLParser;
 
 // WARNING: mutable struct, pass it by reference to those methods that will change it
-internal partial struct ParserContext
+internal ref partial struct ParserContext
 {
     private static string[] TopLevelKeywordOneOf { get; set; } = new[]
     {

From b61ab22bbc1ac011213294a12d0d29f2af5231fe Mon Sep 17 00:00:00 2001
From: Shane Krueger <shane@acdmail.com>
Date: Tue, 5 Jul 2022 08:03:39 -0400
Subject: [PATCH 2/3] Update src/GraphQLParser/ParserContext.Parse.cs

Co-authored-by: Ivan Maximov <sungam3r@yandex.ru>
---
 src/GraphQLParser/ParserContext.Parse.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GraphQLParser/ParserContext.Parse.cs b/src/GraphQLParser/ParserContext.Parse.cs
index 6e8a1622..0cddc8f8 100644
--- a/src/GraphQLParser/ParserContext.Parse.cs
+++ b/src/GraphQLParser/ParserContext.Parse.cs
@@ -3,7 +3,7 @@
 
 namespace GraphQLParser;
 
-// WARNING: mutable struct, pass it by reference to those methods that will change it
+// WARNING: mutable ref struct, pass it by reference to those methods that will change it
 internal ref partial struct ParserContext
 {
     // http://spec.graphql.org/October2021/#Document

From a1c66af472741feb59765ef881deb8b335d8743b Mon Sep 17 00:00:00 2001
From: Shane Krueger <shane@acdmail.com>
Date: Tue, 5 Jul 2022 08:03:48 -0400
Subject: [PATCH 3/3] Update src/GraphQLParser/ParserContext.cs

Co-authored-by: Ivan Maximov <sungam3r@yandex.ru>
---
 src/GraphQLParser/ParserContext.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/GraphQLParser/ParserContext.cs b/src/GraphQLParser/ParserContext.cs
index 38c2f03c..e83c7a3c 100644
--- a/src/GraphQLParser/ParserContext.cs
+++ b/src/GraphQLParser/ParserContext.cs
@@ -5,7 +5,8 @@
 
 namespace GraphQLParser;
 
-// WARNING: mutable struct, pass it by reference to those methods that will change it
+// WARNING: mutable ref struct, pass it by reference to those methods that will change it
+
 internal ref partial struct ParserContext
 {
     private static string[] TopLevelKeywordOneOf { get; set; } = new[]