Set ParserContext.StartOfLine to true when parsing starts (dotnet/aspnetcore-tooling#116)

* Set ParserContext.StartOfLine to true when parsing starts

* Missed baselines
\n\nCommit migrated from a80c3a981a

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_DesignTime.ir.txt

@@ -34,8 +34,8 @@ Document -
             CSharpCode - 
                 IntermediateToken -  - CSharp - #pragma warning restore 0414
             MethodDeclaration -  - public async override - global::System.Threading.Tasks.Task - ExecuteAsync
-                HtmlContent - (83:0,83 [4] IncompleteDirectives.cshtml)
+                HtmlContent - (85:1,0 [2] IncompleteDirectives.cshtml)
-                    IntermediateToken - (83:0,83 [4] IncompleteDirectives.cshtml) - Html - \n\n
+                    IntermediateToken - (85:1,0 [2] IncompleteDirectives.cshtml) - Html - \n
                 MalformedDirective - (87:2,0 [6] IncompleteDirectives.cshtml) - model
                     DirectiveToken - (93:2,6 [0] IncompleteDirectives.cshtml) - 
                 HtmlContent - (93:2,6 [2] IncompleteDirectives.cshtml)

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_DesignTime.ir.txt

@@ -38,8 +38,8 @@ Document -
             CSharpCode - 
                 IntermediateToken -  - CSharp - #pragma warning restore 0414
             MethodDeclaration -  - public async override - global::System.Threading.Tasks.Task - ExecuteAsync
-                HtmlContent - (83:0,83 [4] IncompleteDirectives.cshtml)
+                HtmlContent - (85:1,0 [2] IncompleteDirectives.cshtml)
-                    IntermediateToken - (83:0,83 [4] IncompleteDirectives.cshtml) - Html - \n\n
+                    IntermediateToken - (85:1,0 [2] IncompleteDirectives.cshtml) - Html - \n
                 MalformedDirective - (94:3,0 [8] IncompleteDirectives.cshtml) - page
                 MalformedDirective - (102:4,0 [6] IncompleteDirectives.cshtml) - page
                 HtmlContent - (108:4,6 [5] IncompleteDirectives.cshtml)

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_Runtime.codegen.cs

@@ -19,8 +19,8 @@ namespace AspNetCore
         #pragma warning disable 1998
         public async override global::System.Threading.Tasks.Task ExecuteAsync()
         {
-            BeginContext(83, 4, true);
+            BeginContext(85, 2, true);
-            WriteLiteral("\r\n\r\n");
+            WriteLiteral("\r\n");
             EndContext();
             BeginContext(108, 5, true);
             WriteLiteral("\"\r\n\r\n");

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_Runtime.ir.txt

@@ -14,9 +14,9 @@ Document -
         ClassDeclaration -  - public - TestFiles_IntegrationTests_CodeGenerationIntegrationTest_IncompleteDirectives - global::Microsoft.AspNetCore.Mvc.RazorPages.Page - 
             MethodDeclaration -  - public async override - global::System.Threading.Tasks.Task - ExecuteAsync
                 CSharpCode - 
-                    IntermediateToken -  - CSharp - BeginContext(83, 4, true);
+                    IntermediateToken -  - CSharp - BeginContext(85, 2, true);
-                HtmlContent - (83:0,83 [4] IncompleteDirectives.cshtml)
+                HtmlContent - (85:1,0 [2] IncompleteDirectives.cshtml)
-                    IntermediateToken - (83:0,83 [4] IncompleteDirectives.cshtml) - Html - \n\n
+                    IntermediateToken - (85:1,0 [2] IncompleteDirectives.cshtml) - Html - \n
                 CSharpCode - 
                     IntermediateToken -  - CSharp - EndContext();
                 MalformedDirective - (94:3,0 [8] IncompleteDirectives.cshtml) - page

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_DesignTime.ir.txt

@@ -38,8 +38,8 @@ Document -
             CSharpCode - 
                 IntermediateToken -  - CSharp - #pragma warning restore 0414
             MethodDeclaration -  - public async override - global::System.Threading.Tasks.Task - ExecuteAsync
-                HtmlContent - (83:0,83 [4] IncompleteDirectives.cshtml)
+                HtmlContent - (85:1,0 [2] IncompleteDirectives.cshtml)
-                    IntermediateToken - (83:0,83 [4] IncompleteDirectives.cshtml) - Html - \n\n
+                    IntermediateToken - (85:1,0 [2] IncompleteDirectives.cshtml) - Html - \n
                 MalformedDirective - (94:3,0 [8] IncompleteDirectives.cshtml) - page
                 MalformedDirective - (102:4,0 [6] IncompleteDirectives.cshtml) - page
                 HtmlContent - (108:4,6 [5] IncompleteDirectives.cshtml)

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_Runtime.codegen.cs

@@ -18,7 +18,7 @@ namespace AspNetCore
         #pragma warning disable 1998
         public async override global::System.Threading.Tasks.Task ExecuteAsync()
         {
-            WriteLiteral("\r\n\r\n");
+            WriteLiteral("\r\n");
             WriteLiteral("\"\r\n\r\n");
             WriteLiteral("\r\n");
             WriteLiteral("\r\n\r\n");

src/Razor/Microsoft.AspNetCore.Mvc.Razor.Extensions/test/TestFiles/IntegrationTests/CodeGenerationIntegrationTest/IncompleteDirectives_Runtime.ir.txt

@@ -11,8 +11,8 @@ Document -
         RazorSourceChecksumAttribute - 
         ClassDeclaration -  - public - TestFiles_IntegrationTests_CodeGenerationIntegrationTest_IncompleteDirectives - global::Microsoft.AspNetCore.Mvc.RazorPages.Page - 
             MethodDeclaration -  - public async override - global::System.Threading.Tasks.Task - ExecuteAsync
-                HtmlContent - (83:0,83 [4] IncompleteDirectives.cshtml)
+                HtmlContent - (85:1,0 [2] IncompleteDirectives.cshtml)
-                    IntermediateToken - (83:0,83 [4] IncompleteDirectives.cshtml) - Html - \n\n
+                    IntermediateToken - (85:1,0 [2] IncompleteDirectives.cshtml) - Html - \n
                 MalformedDirective - (94:3,0 [8] IncompleteDirectives.cshtml) - page
                 MalformedDirective - (102:4,0 [6] IncompleteDirectives.cshtml) - page
                 HtmlContent - (108:4,6 [5] IncompleteDirectives.cshtml)

src/Razor/Microsoft.AspNetCore.Razor.Language/src/Legacy/ParserContext.cs

@@ -49,7 +49,7 @@ namespace Microsoft.AspNetCore.Razor.Language.Legacy
 
         public bool InTemplateContext { get; set; }
 
-        public bool StartOfLine { get; set; }
+        public bool StartOfLine { get; set; } = true;
 
         public AcceptedCharactersInternal LastAcceptedCharacters { get; set; } = AcceptedCharactersInternal.None;