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File-based apps: Add support for #:ref directive #83985

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File-based apps: Add support for #:ref directive #83985

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65f3917
Update FileLevelDirectiveHelpers
RikkiGibson Jun 2, 2026
ed60721
Add basic ref directive classification test
RikkiGibson Jun 2, 2026
ca65c25
Add completion provider
RikkiGibson Jun 2, 2026
fc6e9fe
fix tests
RikkiGibson Jun 3, 2026
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11 changes: 11 additions & 0 deletions src/EditorFeatures/CSharpTest/Classification/SyntacticClassifierTests_FileBasedApps.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -286,6 +286,17 @@ public Task FileBasedApps_Project_01(TestHost testHost)
PPKeyword("project"),
String("../path/to/lib.csproj"));

[Theory, CombinatorialData]
public Task FileBasedApps_Ref_01(TestHost testHost)
=> TestAsync("""
#:ref ../utils/Helper.cs
""",
testHost,
PPKeyword("#"),
PPKeyword(":"),
PPKeyword("ref"),
String("../utils/Helper.cs"));

[Theory, CombinatorialData]
public Task FileBasedApps_Include_01(TestHost testHost)
=> TestAsync("""
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12 changes: 10 additions & 2 deletions src/Features/CSharp/Portable/SyncedSource/FileBasedPrograms/FileBasedProgramsResources.resx
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Expand Up @@ -165,6 +165,14 @@
<value>The '#:project' directive is invalid: {0}</value>
<comment>{0} is the inner error message.</comment>
</data>
<data name="InvalidRefDirective" xml:space="preserve">
<value>The '#:ref' directive is invalid: {0}</value>
<comment>{Locked="#:ref"}{0} is the inner error message.</comment>
</data>
<data name="CouldNotFindRefFile" xml:space="preserve">
<value>Could not find file '{0}'.</value>
<comment>{0} is the file path.</comment>
</data>
<data name="MissingDirectiveName" xml:space="preserve">
<value>Missing name of '{0}'.</value>
<comment>{0} is the directive name like 'package' or 'sdk'.</comment>
Expand All @@ -175,11 +183,11 @@
</data>
<data name="InvalidIncludeExcludeMappingEntry" xml:space="preserve">
<value>Each entry in 'FileBasedProgramsItemMapping' MSBuild property must have two parts separated by '='. The entry '{0}' is invalid.</value>
<comment>{Locked="FileBasedProgramsItemMapping"}{Locked="MSBuild"}{Locked="="}</comment>
<comment>{Locked="FileBasedProgramsItemMapping"}{Locked="MSBuild"}{Locked="'='"}</comment>
</data>
<data name="InvalidIncludeExcludeMappingExtension" xml:space="preserve">
<value>Each entry in 'FileBasedProgramsItemMapping' MSBuild property must map from a non-empty file extension starting with '.'. The extension '{0}' in entry '{1}' is invalid.</value>
<comment>{Locked="FileBasedProgramsItemMapping"}{Locked="MSBuild"}{Locked="."}</comment>
<comment>{Locked="FileBasedProgramsItemMapping"}{Locked="MSBuild"}{Locked="'.'"}</comment>
</data>
<data name="InvalidIncludeExcludeMappingItemType" xml:space="preserve">
<value>Each entry in 'FileBasedProgramsItemMapping' MSBuild property must map to a non-empty item type. The item type '{0}' in entry '{1}' is invalid.</value>
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