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Fix syntax normalizer to add space around before colon in constructor initializer #53326

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merged 3 commits into from
May 18, 2021
Merged

Fix syntax normalizer to add space around before colon in constructor initializer #53326

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020e618
Fix syntax normalizer to add space around before colon in constructor…
Youssef1313 May 11, 2021
784686b
Fix test
Youssef1313 May 11, 2021
6dae702
Update SyntaxGeneratorTests.cs
Youssef1313 May 11, 2021
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5 changes: 2 additions & 3 deletions src/Compilers/CSharp/Portable/Syntax/SyntaxNormalizer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,6 @@
using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Symbols;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Utilities;
Expand Down Expand Up @@ -604,7 +602,8 @@ private static bool NeedsSeparator(SyntaxToken token, SyntaxToken next)
if (next.IsKind(SyntaxKind.ColonToken))
{
if (next.Parent.IsKind(SyntaxKind.BaseList) ||
next.Parent.IsKind(SyntaxKind.TypeParameterConstraintClause))
next.Parent.IsKind(SyntaxKind.TypeParameterConstraintClause) ||
next.Parent is ConstructorInitializerSyntax)
{
return true;
}
Expand Down
33 changes: 31 additions & 2 deletions src/Compilers/CSharp/Test/Syntax/Syntax/SyntaxNormalizerTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -540,12 +540,12 @@ public void TestSpacingOnInvocationLikeKeywords()
// no space between this and (
TestNormalizeDeclaration(
"class C { C() : this () { } }",
"class C\r\n{\r\n C(): this()\r\n {\r\n }\r\n}");
"class C\r\n{\r\n C() : this()\r\n {\r\n }\r\n}");

// no space between base and (
TestNormalizeDeclaration(
"class C { C() : base () { } }",
"class C\r\n{\r\n C(): base()\r\n {\r\n }\r\n}");
"class C\r\n{\r\n C() : base()\r\n {\r\n }\r\n}");

// no space between checked and (
TestNormalizeExpression("checked (a)", "checked(a)");
Expand Down Expand Up @@ -920,6 +920,35 @@ public void TestNormalizeFunctionPointerWithUnmanagedCallingConventionAndSpecifi
TestNormalizeDeclaration(content, expected);
}

[Fact]
[WorkItem(53254, "https://github.com/dotnet/roslyn/issues/53254")]
public void TestNormalizeColonInConstructorInitializer()
{
var content =
@"class Base
{
}

class Derived : Base
{
public Derived():base(){}
}";

var expected =
@"class Base
{
}

class Derived : Base
{
public Derived() : base()
{
}
}";

TestNormalizeDeclaration(content, expected);
}

[Fact]
[WorkItem(49732, "https://github.com/dotnet/roslyn/issues/49732")]
public void TestNormalizeXmlInDocComment()
Expand Down
2 changes: 1 addition & 1 deletion src/Workspaces/CSharpTest/CodeGeneration/SyntaxGeneratorTests.cs
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Expand Up @@ -971,7 +971,7 @@ public void TestConstructorDeclaration()
Generator.ConstructorDeclaration("c",
parameters: new[] { Generator.ParameterDeclaration("p", Generator.IdentifierName("t")) },
baseConstructorArguments: new[] { Generator.IdentifierName("p") }),
"c(t p): base(p)\r\n{\r\n}");
"c(t p) : base(p)\r\n{\r\n}");
}

[Fact]
Expand Down