From c040daab9c110b0112779a7543a3b95ab7e4d0b6 Mon Sep 17 00:00:00 2001 From: Michael Nebel Date: Wed, 4 Feb 2026 16:31:27 +0100 Subject: [PATCH] C#: Add extensions test. --- .../library-tests/extension/extensionTypes.cs | 30 +++++ .../extension/extensionTypes.expected | 37 ++++++ .../library-tests/extension/extensionTypes.ql | 56 +++++++++ .../library-tests/extension/extensions.cs | 107 +++++++++++++++++ .../extension/extensions.expected | 111 ++++++++++++++++++ .../library-tests/extension/extensions.ql | 69 +++++++++++ .../ql/test/library-tests/extension/options | 2 + 7 files changed, 412 insertions(+) create mode 100644 csharp/ql/test/library-tests/extension/extensionTypes.cs create mode 100644 csharp/ql/test/library-tests/extension/extensionTypes.expected create mode 100644 csharp/ql/test/library-tests/extension/extensionTypes.ql create mode 100644 csharp/ql/test/library-tests/extension/extensions.cs create mode 100644 csharp/ql/test/library-tests/extension/extensions.expected create mode 100644 csharp/ql/test/library-tests/extension/extensions.ql create mode 100644 csharp/ql/test/library-tests/extension/options diff --git a/csharp/ql/test/library-tests/extension/extensionTypes.cs b/csharp/ql/test/library-tests/extension/extensionTypes.cs new file mode 100644 index 00000000000..06047af375a --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensionTypes.cs @@ -0,0 +1,30 @@ +using System; +using System.Diagnostics.CodeAnalysis; + +public static class MyExtensionTypes +{ + extension([NotNull] string s) + { + public void M11() { } + } + extension(ref readonly int i1) + { + public void M21() { } + } + extension(in int i2) + { + public void M31() { } + } + extension(ref int i3) + { + public void M41() { } + } + extension(string? s) + { + public void M51() { } + } + extension([NotNullWhen(true)] T1 t1) where T1 : class + { + public void M61(object o, T2 t2) { } + } +} diff --git a/csharp/ql/test/library-tests/extension/extensionTypes.expected b/csharp/ql/test/library-tests/extension/extensionTypes.expected new file mode 100644 index 00000000000..b27ff095a4b --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensionTypes.expected @@ -0,0 +1,37 @@ +extensionTypeReceiverParameter +| extensionTypes.cs:6:5:9:5 | extension(String) | extensionTypes.cs:6:32:6:32 | s | +| extensionTypes.cs:10:5:13:5 | extension(Int32) | extensionTypes.cs:10:32:10:33 | i1 | +| extensionTypes.cs:14:5:17:5 | extension(Int32) | extensionTypes.cs:14:22:14:23 | i2 | +| extensionTypes.cs:18:5:21:5 | extension(Int32) | extensionTypes.cs:18:23:18:24 | i3 | +| extensionTypes.cs:22:5:25:5 | extension(String) | extensionTypes.cs:22:23:22:23 | s | +| extensionTypes.cs:26:5:29:5 | extension(T1)`1 | extensionTypes.cs:26:42:26:43 | t1 | +| extensions.cs:6:5:17:5 | extension(String) | extensions.cs:6:22:6:22 | s | +| extensions.cs:26:5:35:5 | extension(Object) | extensions.cs:26:20:26:20 | t | +| extensions.cs:26:5:35:5 | extension(String) | extensions.cs:26:20:26:20 | t | +| extensions.cs:26:5:35:5 | extension(T)`1 | extensions.cs:26:20:26:20 | t | +extensionTypeExtendedType +| extensionTypes.cs:6:5:9:5 | extension(String) | string | +| extensionTypes.cs:10:5:13:5 | extension(Int32) | int | +| extensionTypes.cs:14:5:17:5 | extension(Int32) | int | +| extensionTypes.cs:18:5:21:5 | extension(Int32) | int | +| extensionTypes.cs:22:5:25:5 | extension(String) | string | +| extensionTypes.cs:26:5:29:5 | extension(T1)`1 | T1 | +| extensions.cs:6:5:17:5 | extension(String) | string | +| extensions.cs:19:5:24:5 | extension(Object) | object | +| extensions.cs:26:5:35:5 | extension(Object) | object | +| extensions.cs:26:5:35:5 | extension(String) | string | +| extensions.cs:26:5:35:5 | extension(T)`1 | T | +extensionTypeReceiverParameterAttribute +| extensionTypes.cs:6:5:9:5 | extension(String) | extensionTypes.cs:6:32:6:32 | s | extensionTypes.cs:6:16:6:22 | [NotNull(...)] | +| extensionTypes.cs:26:5:29:5 | extension(T1)`1 | extensionTypes.cs:26:42:26:43 | t1 | extensionTypes.cs:26:20:26:30 | [NotNullWhen(...)] | +extensionTypeReceiverParameterModifier +| extensionTypes.cs:10:5:13:5 | extension(Int32) | extensionTypes.cs:10:32:10:33 | i1 | ref readonly | +| extensionTypes.cs:14:5:17:5 | extension(Int32) | extensionTypes.cs:14:22:14:23 | i2 | in | +| extensionTypes.cs:18:5:21:5 | extension(Int32) | extensionTypes.cs:18:23:18:24 | i3 | ref | +extensionTypeParameterConstraints +| extensionTypes.cs:26:5:29:5 | extension(T1)`1 | extensionTypes.cs:26:15:26:16 | T1 | file://:0:0:0:0 | where T1: ... | +| extensions.cs:26:5:35:5 | extension(T)`1 | extensions.cs:26:15:26:15 | T | file://:0:0:0:0 | where T: ... | +syntheticParameterModifier +| extensionTypes.cs:10:5:13:5 | extension(Int32) | extensionTypes.cs:12:21:12:23 | M21 | extensionTypes.cs:10:32:10:33 | i1 | ref readonly | +| extensionTypes.cs:14:5:17:5 | extension(Int32) | extensionTypes.cs:16:21:16:23 | M31 | extensionTypes.cs:14:22:14:23 | i2 | in | +| extensionTypes.cs:18:5:21:5 | extension(Int32) | extensionTypes.cs:20:21:20:23 | M41 | extensionTypes.cs:18:23:18:24 | i3 | ref | diff --git a/csharp/ql/test/library-tests/extension/extensionTypes.ql b/csharp/ql/test/library-tests/extension/extensionTypes.ql new file mode 100644 index 00000000000..f4d3fe5bbd5 --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensionTypes.ql @@ -0,0 +1,56 @@ +import csharp + +private predicate inTestFile(ExtensionType et) { + et.getFile().getBaseName() = ["extensions.cs", "extensionTypes.cs"] +} + +private string getModifier(Parameter p) { + p.isIn() and result = "in" + or + p.isRef() and result = "ref" + or + p.isReadonlyRef() and result = "ref readonly" +} + +query predicate extensionTypeReceiverParameter(ExtensionType et, Parameter p) { + inTestFile(et) and + p = et.getReceiverParameter() +} + +query predicate extensionTypeExtendedType(ExtensionType et, string t) { + inTestFile(et) and + t = et.getExtendedType().toStringWithTypes() +} + +query predicate extensionTypeReceiverParameterAttribute(ExtensionType et, Parameter p, Attribute a) { + inTestFile(et) and + et.getReceiverParameter() = p and + p.getAnAttribute() = a +} + +query predicate extensionTypeReceiverParameterModifier( + ExtensionType et, Parameter p, string modifier +) { + inTestFile(et) and + et.getReceiverParameter() = p and + modifier = getModifier(p) +} + +query predicate extensionTypeParameterConstraints( + UnboundGeneric ug, TypeParameter tp, TypeParameterConstraints c +) { + inTestFile(ug) and + ug instanceof ExtensionType and + tp = ug.getATypeParameter() and + tp.getConstraints() = c +} + +query predicate syntheticParameterModifier( + ExtensionType et, ExtensionMethod em, Parameter p, string modifier +) { + inTestFile(et) and + em.getDeclaringType() = et and + p = em.getParameter(0) and + not em.isStatic() and + modifier = getModifier(p) +} diff --git a/csharp/ql/test/library-tests/extension/extensions.cs b/csharp/ql/test/library-tests/extension/extensions.cs new file mode 100644 index 00000000000..1117a98f8a0 --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensions.cs @@ -0,0 +1,107 @@ +using System; +using System.Collections.Generic; + +public static class MyExtensions +{ + extension(string s) + { + public bool Prop1 => s.Length > 0; + public bool Prop2 { get { return true; } set { } } + public static bool StaticProp1 { get { return false; } } + public bool M1() => s is not null; + public string M2(string other) { return s + other; } + public static int StaticM1() { return 0; } + public static int StaticM2(string x) { return x.Length; } + public static string operator *(int a, string b) { return ""; } + public T StringGenericM1(T t, object o) { return t; } + } + + extension(object) + { + public static int StaticObjectM1() { return 0; } + public static int StaticObjectM2(string s) { return s.Length; } + public static bool StaticProp => true; + } + + extension(T t) where T : class + { + public bool GenericProp1 => t is not null; + public bool GenericProp2 { get { return true; } set { } } + public bool GenericM1() => t is not null; + public void GenericM2(S other) { } + public void GenericStaticM1() { } + public static void GenericStaticM2(S other) { } + public static T operator +(T a, T b) { return null; } + } +} + +public static class ClassicExtensions +{ + public static bool M3(this string s) => s is not null; +} + +public class C +{ + public static void CallingExtensions() + { + var s = "Hello World."; + + // Calling the extensions properties + var x11 = s.Prop1; + var x12 = s.Prop2; + s.Prop2 = true; + var x13 = string.StaticProp1; + var x14 = object.StaticProp; + + // Calling the extensions methods. + var x21 = s.M1(); + var x22 = s.M2("!!!"); + var x23 = string.StaticM1(); + var x24 = string.StaticM2(s); + var x25 = object.StaticObjectM1(); + var x26 = object.StaticObjectM2(s); + + // Calling the extension operator. + var x30 = 3 * s; + + // Calling the classic extension method. + var y = s.M3(); + + // Calling the compiler generated static extension methods. + MyExtensions.M1(s); + MyExtensions.M2(s, "!!!"); + MyExtensions.StaticM1(); + MyExtensions.StaticM2(s); + MyExtensions.StaticObjectM1(); + MyExtensions.StaticObjectM2(s); + + // Calling the compiler generated operator method. + MyExtensions.op_Multiply(3, s); + + // Calling the compiler generated methods used by the extension property accessors. + MyExtensions.get_Prop1(s); + MyExtensions.get_Prop2(s); + MyExtensions.set_Prop2(s, false); + MyExtensions.get_StaticProp(); + } + + public static void CallingGenericExtensions() + { + var s = "Hello Generic World."; + var o = new object(); + + // Calling generic extension method + o.GenericM1(); + s.GenericM1(); + + // Calling the compiler generated static extension methods. + MyExtensions.GenericM1(o); + MyExtensions.GenericM1(s); + + o.GenericM2(42); + MyExtensions.GenericM2(o, 42); + + s.StringGenericM1(7, new object()); + MyExtensions.StringGenericM1(s, "test", new object()); + } +} diff --git a/csharp/ql/test/library-tests/extension/extensions.expected b/csharp/ql/test/library-tests/extension/extensions.expected new file mode 100644 index 00000000000..c892ff08947 --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensions.expected @@ -0,0 +1,111 @@ +extensionMethodCallArgument +| extensions.cs:57:19:57:24 | call to method M1 | extensions.cs:11:21:11:22 | M1 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:57:19:57:19 | access to local variable s | +| extensions.cs:58:19:58:29 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:58:19:58:19 | access to local variable s | +| extensions.cs:58:19:58:29 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:12:33:12:37 | other | 1 | extensions.cs:58:24:58:28 | "!!!" | +| extensions.cs:60:19:60:36 | call to method StaticM2 | extensions.cs:14:27:14:34 | StaticM2 | extensions.cs:14:43:14:43 | x | 0 | extensions.cs:60:35:60:35 | access to local variable s | +| extensions.cs:62:19:62:42 | call to method StaticObjectM2 | extensions.cs:22:27:22:40 | StaticObjectM2 | extensions.cs:22:49:22:49 | s | 0 | extensions.cs:62:41:62:41 | access to local variable s | +| extensions.cs:68:17:68:22 | call to method M3 | extensions.cs:40:24:40:25 | M3 | extensions.cs:40:39:40:39 | s | 0 | extensions.cs:68:17:68:17 | access to local variable s | +| extensions.cs:71:9:71:26 | call to method M1 | extensions.cs:11:21:11:22 | M1 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:71:25:71:25 | access to local variable s | +| extensions.cs:72:9:72:33 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:72:25:72:25 | access to local variable s | +| extensions.cs:72:9:72:33 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:12:33:12:37 | other | 1 | extensions.cs:72:28:72:32 | "!!!" | +| extensions.cs:74:9:74:32 | call to method StaticM2 | extensions.cs:14:27:14:34 | StaticM2 | extensions.cs:14:43:14:43 | x | 0 | extensions.cs:74:31:74:31 | access to local variable s | +| extensions.cs:76:9:76:38 | call to method StaticObjectM2 | extensions.cs:22:27:22:40 | StaticObjectM2 | extensions.cs:22:49:22:49 | s | 0 | extensions.cs:76:37:76:37 | access to local variable s | +| extensions.cs:94:9:94:21 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:94:9:94:9 | access to local variable o | +| extensions.cs:95:9:95:21 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:95:9:95:9 | access to local variable s | +| extensions.cs:98:9:98:33 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:98:32:98:32 | access to local variable o | +| extensions.cs:99:9:99:33 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:99:32:99:32 | access to local variable s | +| extensions.cs:101:9:101:23 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:101:9:101:9 | access to local variable o | +| extensions.cs:101:9:101:23 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:31:36:31:40 | other | 1 | extensions.cs:101:21:101:22 | 42 | +| extensions.cs:102:9:102:37 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:26:20:26:20 | t | 0 | extensions.cs:102:32:102:32 | access to local variable o | +| extensions.cs:102:9:102:37 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:31:36:31:40 | other | 1 | extensions.cs:102:35:102:36 | 42 | +| extensions.cs:104:9:104:47 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:104:9:104:9 | access to local variable s | +| extensions.cs:104:9:104:47 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:39:16:39 | t | 1 | extensions.cs:104:32:104:32 | 7 | +| extensions.cs:104:9:104:47 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:49:16:49 | o | 2 | extensions.cs:104:35:104:46 | object creation of type Object | +| extensions.cs:105:9:105:69 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:22:6:22 | s | 0 | extensions.cs:105:46:105:46 | access to local variable s | +| extensions.cs:105:9:105:69 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:39:16:39 | t | 1 | extensions.cs:105:49:105:54 | "test" | +| extensions.cs:105:9:105:69 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:49:16:49 | o | 2 | extensions.cs:105:57:105:68 | object creation of type Object | +extensionMethodCalls +| extensions.cs:57:19:57:24 | call to method M1 | extensions.cs:11:21:11:22 | M1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).M1 | +| extensions.cs:58:19:58:29 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).M2 | +| extensions.cs:59:19:59:35 | call to method StaticM1 | extensions.cs:13:27:13:34 | StaticM1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StaticM1 | +| extensions.cs:60:19:60:36 | call to method StaticM2 | extensions.cs:14:27:14:34 | StaticM2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StaticM2 | +| extensions.cs:61:19:61:41 | call to method StaticObjectM1 | extensions.cs:21:27:21:40 | StaticObjectM1 | extensions.cs:19:5:24:5 | extension(Object) | MyExtensions+extension(Object).StaticObjectM1 | +| extensions.cs:62:19:62:42 | call to method StaticObjectM2 | extensions.cs:22:27:22:40 | StaticObjectM2 | extensions.cs:19:5:24:5 | extension(Object) | MyExtensions+extension(Object).StaticObjectM2 | +| extensions.cs:68:17:68:22 | call to method M3 | extensions.cs:40:24:40:25 | M3 | extensions.cs:38:21:38:37 | ClassicExtensions | ClassicExtensions.M3 | +| extensions.cs:71:9:71:26 | call to method M1 | extensions.cs:11:21:11:22 | M1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).M1 | +| extensions.cs:72:9:72:33 | call to method M2 | extensions.cs:12:23:12:24 | M2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).M2 | +| extensions.cs:73:9:73:31 | call to method StaticM1 | extensions.cs:13:27:13:34 | StaticM1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StaticM1 | +| extensions.cs:74:9:74:32 | call to method StaticM2 | extensions.cs:14:27:14:34 | StaticM2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StaticM2 | +| extensions.cs:75:9:75:37 | call to method StaticObjectM1 | extensions.cs:21:27:21:40 | StaticObjectM1 | extensions.cs:19:5:24:5 | extension(Object) | MyExtensions+extension(Object).StaticObjectM1 | +| extensions.cs:76:9:76:38 | call to method StaticObjectM2 | extensions.cs:22:27:22:40 | StaticObjectM2 | extensions.cs:19:5:24:5 | extension(Object) | MyExtensions+extension(Object).StaticObjectM2 | +| extensions.cs:94:9:94:21 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:5:35:5 | extension(Object) | MyExtensions+extension(Object).GenericM1 | +| extensions.cs:95:9:95:21 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:5:35:5 | extension(String) | MyExtensions+extension(String).GenericM1 | +| extensions.cs:98:9:98:33 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:5:35:5 | extension(Object) | MyExtensions+extension(Object).GenericM1 | +| extensions.cs:99:9:99:33 | call to method GenericM1 | extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:5:35:5 | extension(String) | MyExtensions+extension(String).GenericM1 | +| extensions.cs:101:9:101:23 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:26:5:35:5 | extension(Object) | MyExtensions+extension(Object).GenericM2 | +| extensions.cs:102:9:102:37 | call to method GenericM2 | extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:26:5:35:5 | extension(Object) | MyExtensions+extension(Object).GenericM2 | +| extensions.cs:104:9:104:47 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StringGenericM1 | +| extensions.cs:105:9:105:69 | call to method StringGenericM1 | extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StringGenericM1 | +extensionParameter +| extensions.cs:11:21:11:22 | M1 | extensions.cs:6:22:6:22 | s | 0 | string | extensions.cs:6:22:6:22 | s | +| extensions.cs:12:23:12:24 | M2 | extensions.cs:6:22:6:22 | s | 0 | string | extensions.cs:6:22:6:22 | s | +| extensions.cs:12:23:12:24 | M2 | extensions.cs:12:33:12:37 | other | 1 | string | extensions.cs:12:33:12:37 | other | +| extensions.cs:14:27:14:34 | StaticM2 | extensions.cs:14:43:14:43 | x | 0 | string | extensions.cs:14:43:14:43 | x | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:22:6:22 | s | 0 | string | extensions.cs:6:22:6:22 | s | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:39:16:39 | t | 1 | int | extensions.cs:16:39:16:39 | t | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:49:16:49 | o | 2 | object | extensions.cs:16:49:16:49 | o | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:6:22:6:22 | s | 0 | string | extensions.cs:6:22:6:22 | s | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:39:16:39 | t | 1 | string | extensions.cs:16:39:16:39 | t | +| extensions.cs:16:18:16:35 | StringGenericM1 | extensions.cs:16:49:16:49 | o | 2 | object | extensions.cs:16:49:16:49 | o | +| extensions.cs:16:18:16:35 | StringGenericM1`1 | extensions.cs:6:22:6:22 | s | 0 | string | extensions.cs:6:22:6:22 | s | +| extensions.cs:16:18:16:35 | StringGenericM1`1 | extensions.cs:16:39:16:39 | t | 1 | T | extensions.cs:16:39:16:39 | t | +| extensions.cs:16:18:16:35 | StringGenericM1`1 | extensions.cs:16:49:16:49 | o | 2 | object | extensions.cs:16:49:16:49 | o | +| extensions.cs:22:27:22:40 | StaticObjectM2 | extensions.cs:22:49:22:49 | s | 0 | string | extensions.cs:22:49:22:49 | s | +| extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | T | extensions.cs:26:20:26:20 | t | +| extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | object | extensions.cs:26:20:26:20 | t | +| extensions.cs:30:21:30:29 | GenericM1 | extensions.cs:26:20:26:20 | t | 0 | string | extensions.cs:26:20:26:20 | t | +| extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:26:20:26:20 | t | 0 | object | extensions.cs:26:20:26:20 | t | +| extensions.cs:31:21:31:32 | GenericM2 | extensions.cs:31:36:31:40 | other | 1 | int | extensions.cs:31:36:31:40 | other | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:26:20:26:20 | t | 0 | T | extensions.cs:26:20:26:20 | t | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:26:20:26:20 | t | 0 | object | extensions.cs:26:20:26:20 | t | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:26:20:26:20 | t | 0 | string | extensions.cs:26:20:26:20 | t | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:31:36:31:40 | other | 1 | S | extensions.cs:31:36:31:40 | other | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:31:36:31:40 | other | 1 | S | extensions.cs:31:36:31:40 | other | +| extensions.cs:31:21:31:32 | GenericM2`1 | extensions.cs:31:36:31:40 | other | 1 | S | extensions.cs:31:36:31:40 | other | +| extensions.cs:32:21:32:35 | GenericStaticM1 | extensions.cs:26:20:26:20 | t | 0 | T | extensions.cs:26:20:26:20 | t | +| extensions.cs:32:21:32:35 | GenericStaticM1 | extensions.cs:26:20:26:20 | t | 0 | object | extensions.cs:26:20:26:20 | t | +| extensions.cs:32:21:32:35 | GenericStaticM1 | extensions.cs:26:20:26:20 | t | 0 | string | extensions.cs:26:20:26:20 | t | +| extensions.cs:33:28:33:45 | GenericStaticM2`1 | extensions.cs:33:49:33:53 | other | 0 | S | extensions.cs:33:49:33:53 | other | +| extensions.cs:33:28:33:45 | GenericStaticM2`1 | extensions.cs:33:49:33:53 | other | 0 | S | extensions.cs:33:49:33:53 | other | +| extensions.cs:33:28:33:45 | GenericStaticM2`1 | extensions.cs:33:49:33:53 | other | 0 | S | extensions.cs:33:49:33:53 | other | +| extensions.cs:40:24:40:25 | M3 | extensions.cs:40:39:40:39 | s | 0 | string | extensions.cs:40:39:40:39 | s | +extensionOperatorCallArgument +| extensions.cs:15:39:15:39 | * | extensions.cs:65:19:65:23 | call to operator * | extensions.cs:15:45:15:45 | a | 0 | extensions.cs:65:19:65:19 | 3 | +| extensions.cs:15:39:15:39 | * | extensions.cs:65:19:65:23 | call to operator * | extensions.cs:15:55:15:55 | b | 1 | extensions.cs:65:23:65:23 | access to local variable s | +| extensions.cs:15:39:15:39 | * | extensions.cs:79:9:79:38 | call to operator * | extensions.cs:15:45:15:45 | a | 0 | extensions.cs:79:34:79:34 | 3 | +| extensions.cs:15:39:15:39 | * | extensions.cs:79:9:79:38 | call to operator * | extensions.cs:15:55:15:55 | b | 1 | extensions.cs:79:37:79:37 | access to local variable s | +extensionOperatorCalls +| extensions.cs:65:19:65:23 | call to operator * | extensions.cs:15:39:15:39 | * | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).op_Multiply | +| extensions.cs:79:9:79:38 | call to operator * | extensions.cs:15:39:15:39 | * | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).op_Multiply | +extensionProperty +| extensions.cs:8:21:8:25 | Prop1 | extensions.cs:6:5:17:5 | extension(String) | +| extensions.cs:9:21:9:25 | Prop2 | extensions.cs:6:5:17:5 | extension(String) | +| extensions.cs:10:28:10:38 | StaticProp1 | extensions.cs:6:5:17:5 | extension(String) | +| extensions.cs:23:28:23:37 | StaticProp | extensions.cs:19:5:24:5 | extension(Object) | +| extensions.cs:28:21:28:32 | GenericProp1 | extensions.cs:26:5:35:5 | extension(Object) | +| extensions.cs:28:21:28:32 | GenericProp1 | extensions.cs:26:5:35:5 | extension(String) | +| extensions.cs:28:21:28:32 | GenericProp1 | extensions.cs:26:5:35:5 | extension(T)`1 | +| extensions.cs:29:21:29:32 | GenericProp2 | extensions.cs:26:5:35:5 | extension(Object) | +| extensions.cs:29:21:29:32 | GenericProp2 | extensions.cs:26:5:35:5 | extension(String) | +| extensions.cs:29:21:29:32 | GenericProp2 | extensions.cs:26:5:35:5 | extension(T)`1 | +extensionPropertyCall +| extensions.cs:50:19:50:25 | access to property Prop1 | extensions.cs:8:21:8:25 | Prop1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).Prop1 | +| extensions.cs:51:19:51:25 | access to property Prop2 | extensions.cs:9:21:9:25 | Prop2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).Prop2 | +| extensions.cs:52:9:52:15 | access to property Prop2 | extensions.cs:9:21:9:25 | Prop2 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).Prop2 | +| extensions.cs:53:19:53:36 | access to property StaticProp1 | extensions.cs:10:28:10:38 | StaticProp1 | extensions.cs:6:5:17:5 | extension(String) | MyExtensions+extension(String).StaticProp1 | +| extensions.cs:54:19:54:35 | access to property StaticProp | extensions.cs:23:28:23:37 | StaticProp | extensions.cs:19:5:24:5 | extension(Object) | MyExtensions+extension(Object).StaticProp | +extensionAccessorCall +| extensions.cs:82:9:82:33 | call to extension accessor get_Prop1 | extensions.cs:8:30:8:41 | get_Prop1 | extensions.cs:8:21:8:25 | Prop1 | MyExtensions+extension(String).get_Prop1 | +| extensions.cs:83:9:83:33 | call to extension accessor get_Prop2 | extensions.cs:9:29:9:31 | get_Prop2 | extensions.cs:9:21:9:25 | Prop2 | MyExtensions+extension(String).get_Prop2 | +| extensions.cs:84:9:84:40 | call to extension accessor set_Prop2 | extensions.cs:9:50:9:52 | set_Prop2 | extensions.cs:9:21:9:25 | Prop2 | MyExtensions+extension(String).set_Prop2 | +| extensions.cs:85:9:85:37 | call to extension accessor get_StaticProp | extensions.cs:23:42:23:45 | get_StaticProp | extensions.cs:23:28:23:37 | StaticProp | MyExtensions+extension(Object).get_StaticProp | diff --git a/csharp/ql/test/library-tests/extension/extensions.ql b/csharp/ql/test/library-tests/extension/extensions.ql new file mode 100644 index 00000000000..03830c5851d --- /dev/null +++ b/csharp/ql/test/library-tests/extension/extensions.ql @@ -0,0 +1,69 @@ +import csharp + +query predicate extensionMethodCallArgument( + ExtensionMethodCall emc, ExtensionMethod em, Parameter p, int i, Expr e +) { + em.getFile().getBaseName() = "extensions.cs" and + emc.getTarget() = em and + em.getParameter(i) = p and + emc.getArgument(i) = e +} + +query predicate extensionMethodCalls( + ExtensionMethodCall emc, ExtensionMethod em, Type t, string type +) { + em.getFile().getBaseName() = "extensions.cs" and + emc.getTarget() = em and + em.getDeclaringType() = t and + em.getFullyQualifiedNameDebug() = type +} + +query predicate extensionParameter( + ExtensionMethod em, Parameter p, int i, string type, Parameter unbound +) { + em.getFile().getBaseName() = "extensions.cs" and + p = em.getParameter(i) and + type = p.getType().toStringWithTypes() and + unbound = p.getUnboundDeclaration() +} + +query predicate extensionOperatorCallArgument( + ExtensionOperator op, ExtensionOperatorCall opc, Parameter p, int pos, Expr e +) { + opc.getTarget() = op and + op.getFile().getBaseName() = "extensions.cs" and + p = op.getParameter(pos) and + e = opc.getArgument(pos) +} + +query predicate extensionOperatorCalls( + ExtensionOperatorCall opc, ExtensionOperator op, Type t, string type +) { + op.getFile().getBaseName() = "extensions.cs" and + opc.getTarget() = op and + op.getDeclaringType() = t and + op.getFullyQualifiedNameDebug() = type +} + +query predicate extensionProperty(ExtensionProperty p, Type t) { + p.getFile().getBaseName() = "extensions.cs" and + p.getDeclaringType() = t +} + +query predicate extensionPropertyCall( + ExtensionPropertyCall pc, ExtensionProperty p, Type t, string type +) { + p.getFile().getBaseName() = "extensions.cs" and + pc.getProperty() = p and + p.getDeclaringType() = t and + p.getFullyQualifiedNameDebug() = type +} + +query predicate extensionAccessorCall( + MethodCall m, ExtensionAccessor a, ExtensionProperty p, string type +) { + p.getFile().getBaseName() = "extensions.cs" and + (a.(Getter).getDeclaration() = p or a.(Setter).getDeclaration() = p) and + m.getTargetAccessor() = a and + a.getFullyQualifiedNameDebug() = type +} diff --git a/csharp/ql/test/library-tests/extension/options b/csharp/ql/test/library-tests/extension/options new file mode 100644 index 00000000000..77b22963f5c --- /dev/null +++ b/csharp/ql/test/library-tests/extension/options @@ -0,0 +1,2 @@ +semmle-extractor-options: /nostdlib /noconfig +semmle-extractor-options: --load-sources-from-project:${testdir}/../../resources/stubs/_frameworks/Microsoft.NETCore.App/Microsoft.NETCore.App.csproj