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Remove special string node type #59008

Merged
merged 8 commits into from
Jan 24, 2022
Merged

Remove special string node type #59008

merged 8 commits into from
Jan 24, 2022

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CyrusNajmabadi
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@CyrusNajmabadi CyrusNajmabadi commented Jan 22, 2022 •
edited by jcouv
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It occurred to me in the meeting today that we don't actually need/want a special string string literal expression. Rather the singel string expression could have multiple kinds of tokens underneath it, all representing a constant string literal.

Relates to test plan #55306

@CyrusNajmabadi CyrusNajmabadi requested review from a team as code owners January 22, 2022 00:35
@CyrusNajmabadi CyrusNajmabadi changed the base branch from main to features/RawStringLiterals January 22, 2022 00:35
jcouv
jcouv reviewed Jan 22, 2022
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src/Compilers/CSharp/Portable/PublicAPI.Unshipped.txt
@@ -33,9 +33,7 @@ Microsoft.CodeAnalysis.CSharp.SyntaxKind.InterpolatedMultiLineRawStringEndToken
Microsoft.CodeAnalysis.CSharp.SyntaxKind.InterpolatedMultiLineRawStringStartToken = 9082 -> Microsoft.CodeAnalysis.CSharp.SyntaxKind
Microsoft.CodeAnalysis.CSharp.SyntaxKind.InterpolatedSingleLineRawStringEndToken = 9081 -> Microsoft.CodeAnalysis.CSharp.SyntaxKind
Microsoft.CodeAnalysis.CSharp.SyntaxKind.InterpolatedSingleLineRawStringStartToken = 9080 -> Microsoft.CodeAnalysis.CSharp.SyntaxKind
Microsoft.CodeAnalysis.CSharp.SyntaxKind.MultiLineRawStringLiteralExpression = 9075 -> Microsoft.CodeAnalysis.CSharp.SyntaxKind
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@jcouv jcouv Jan 22, 2022 •
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Consider resolving PROTOTYPE marker and updating compiler test plan while you're making a change #Closed

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Never mind, will probably need another PR anyways. I updated the test plan based on yesterday's feature review:
#55306

jcouv
jcouv approved these changes Jan 22, 2022
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LGTM Thanks (iteration 8)

@runfoapp runfoapp bot mentioned this pull request Jan 24, 2022
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@jcouv
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jcouv commented Jan 24, 2022

@chsienki @dotnet/roslyn-compiler for second review (relates to raw string literals). Thanks

@cston
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cston commented Jan 24, 2022

Has the public API gone through API review?

@jcouv
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jcouv commented Jan 24, 2022

We discussed API review during the feature review. Cyrus is going to start the process.

cston
cston reviewed Jan 24, 2022
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src/Compilers/CSharp/Portable/Syntax/LiteralExpressionSyntax.cs
public static LiteralExpressionSyntax LiteralExpression(SyntaxKind kind)
=> SyntaxFactory.LiteralExpression(kind, SyntaxFactory.Token(GetLiteralExpressionTokenKind(kind)));

private static SyntaxKind GetLiteralExpressionTokenKind(SyntaxKind kind)
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GetLiteralExpressionTokenKind

Consider asserting:

var result = kind switch { ... };
Debug.Assert(kind == SyntaxKindFacts.GetLiteralExpression(result));
return result;

RikkiGibson
RikkiGibson approved these changes Jan 24, 2022
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LGTM aside from one question

src/Compilers/CSharp/Portable/Syntax/LiteralExpressionSyntax.cs
public partial class SyntaxFactory
{
/// <summary>Creates a new LiteralExpressionSyntax instance.</summary>
public static LiteralExpressionSyntax LiteralExpression(SyntaxKind kind)
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I didn't understand why these methods moved out of the generated file. Could you please clarify?

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they're not getting generated autoamtically as there isn't a 1:1 correspondance with node-type and node-kind. note: we will discuss this at the API review. I personally think we don't need/want the 1:1 correspondence.

@CyrusNajmabadi CyrusNajmabadi merged commit dc1b6a7 into dotnet:features/RawStringLiterals Jan 24, 2022
@CyrusNajmabadi CyrusNajmabadi deleted the removeSpecialStringNodeType branch January 24, 2022 22:14
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jcouv commented Jan 24, 2022

@cston The issue tracking public API review is here: #59046

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@cston cston cston left review comments

@jcouv jcouv jcouv approved these changes

@RikkiGibson RikkiGibson RikkiGibson approved these changes

@allisonchou allisonchou Awaiting requested review from allisonchou

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@CyrusNajmabadi @jcouv @cston @RikkiGibson