LL API: add kt -> fir mapping tests for expressions

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/asExpression.kt

@@ -0,0 +1,3 @@
+fun foo(x: Any): String {
+    return <expr>x as String</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/asExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtBinaryExpressionWithTypeRHS
+FIR element: FirTypeOperatorCallImpl
+
+FIR element rendered:
+(R|<local>/x| as R|kotlin/String|)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/binaryExpression.kt

@@ -0,0 +1 @@
+val x = <expr>1 + 1</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/binaryExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtBinaryExpression
+FIR element: FirFunctionCallImpl
+
+FIR element rendered:
+Int(1).R|kotlin/Int.plus|(Int(1))

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/blockExpression.kt

@@ -0,0 +1,4 @@
+fun x() <expr> {
+
+}
+</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/blockExpression.txt

@@ -0,0 +1,6 @@
+KT element: KtBlockExpression
+FIR element: FirBlockImpl
+
+FIR element rendered:
+ {
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/boolLiteral.kt

@@ -0,0 +1 @@
+val x = <expr>true</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/boolLiteral.txt

@@ -0,0 +1,5 @@
+KT element: KtConstantExpression
+FIR element: FirConstExpressionImpl
+
+FIR element rendered:
+Boolean(true)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/classAccessExpression.kt

@@ -0,0 +1 @@
+val x = <expr>Int::class</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/classAccessExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtClassLiteralExpression
+FIR element: FirGetClassCallImpl
+
+FIR element rendered:
+<getClass>(Q|kotlin/Int|)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/ifExpression.kt

@@ -0,0 +1,3 @@
+fun foo(x: Any): String {
+    return <expr>if (x is String) "1" else "2"</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/ifExpression.txt

@@ -0,0 +1,12 @@
+KT element: KtIfExpression
+FIR element: FirWhenExpressionImpl
+
+FIR element rendered:
+when () {
+    (R|<local>/x| is R|kotlin/String|) ->  {
+        String(1)
+    }
+    else ->  {
+        String(2)
+    }
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/intLiteral.kt

@@ -0,0 +1 @@
+val x = <expr>1</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/intLiteral.txt

@@ -0,0 +1,5 @@
+KT element: KtConstantExpression
+FIR element: FirConstExpressionImpl
+
+FIR element rendered:
+Int(1)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/isExpression.kt

@@ -0,0 +1,3 @@
+fun foo(x: Any): Boolean {
+    return <expr>x is String</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/isExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtIsExpression
+FIR element: FirTypeOperatorCallImpl
+
+FIR element rendered:
+(R|<local>/x| is R|kotlin/String|)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/lambdaExpression.kt

@@ -0,0 +1,4 @@
+// WITH_STDLIB
+val x = run <expr>{
+    1
+}</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/lambdaExpression.txt

@@ -0,0 +1,7 @@
+KT element: KtLambdaArgument
+FIR element: FirAnonymousFunctionExpressionImpl
+
+FIR element rendered:
+run@fun <anonymous>(): R|kotlin/Int| <inline=Inline, kind=EXACTLY_ONCE>  {
+    ^ Int(1)
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/parenthesizedExpression.kt

@@ -0,0 +1 @@
+val x = <expr>(1 + 2)</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/parenthesizedExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtParenthesizedExpression
+FIR element: FirFunctionCallImpl
+
+FIR element rendered:
+Int(1).R|kotlin/Int.plus|(Int(2))

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/propertyReferenceExpression.kt

@@ -0,0 +1,5 @@
+class A {
+    fun foo(){}
+}
+val y: A = A()
+val x = <expr>A::foo</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/propertyReferenceExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtCallableReferenceExpression
+FIR element: FirCallableReferenceAccessImpl
+
+FIR element rendered:
+Q|A|::R|/A.foo|

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/stringLiteral.kt

@@ -0,0 +1 @@
+val x = <expr>"string"</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/stringLiteral.txt

@@ -0,0 +1,5 @@
+KT element: KtStringTemplateExpression
+FIR element: FirConstExpressionImpl
+
+FIR element rendered:
+String(string)

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/throwExpression.kt

@@ -0,0 +1,3 @@
+fun x() {
+    <expr>throw IllegalStateException()</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/throwExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtThrowExpression
+FIR element: FirThrowExpressionImpl
+
+FIR element rendered:
+throw R|java/lang/IllegalStateException.IllegalStateException|()

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/tryExpression.kt

@@ -0,0 +1,3 @@
+fun x() {
+    <expr>try { 1 } catch(e: Throwable) finally {}</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/tryExpression.txt

@@ -0,0 +1,11 @@
+KT element: KtTryExpression
+FIR element: FirTryExpressionImpl
+
+FIR element rendered:
+try {
+    Int(1)
+}
+catch (e: R|kotlin/Throwable|) {
+}
+finally {
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/unraryExpression.kt

@@ -0,0 +1,3 @@
+fun foo(x: Boolean): Boolean {
+    return <expr>!x</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/unraryExpression.txt

@@ -0,0 +1,5 @@
+KT element: KtPrefixExpression
+FIR element: FirFunctionCallImpl
+
+FIR element rendered:
+R|<local>/x|.R|kotlin/Boolean.not|()

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/whenExpression.kt

@@ -0,0 +1,6 @@
+fun foo(x: Any): String {
+    return <expr>when (x) {
+        is String -> "1"
+        else -> "2"
+    }</expr>
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/whenExpression.txt

@@ -0,0 +1,12 @@
+KT element: KtWhenExpression
+FIR element: FirWhenExpressionImpl
+
+FIR element rendered:
+when (R|<local>/x|) {
+    ($subj$ is R|kotlin/String|) ->  {
+        String(1)
+    }
+    else ->  {
+        String(2)
+    }
+}

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/wholeStringTemplate.kt

@@ -0,0 +1 @@
+val x = <expr>"string ${1 + 2} template"</expr>

idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/wholeStringTemplate.txt

@@ -0,0 +1,5 @@
+KT element: KtStringTemplateExpression
+FIR element: FirStringConcatenationCallImpl
+
+FIR element rendered:
+<strcat>(String(string ), Int(1).R|kotlin/Int.plus|(Int(2)), String( template))

idea/idea-frontend-fir/idea-fir-low-level-api/tests/org/jetbrains/kotlin/idea/fir/low/level/api/GetOrBuildFirTestGenerated.java

@@ -117,17 +117,119 @@ public class GetOrBuildFirTestGenerated extends AbstractGetOrBuildFirTest {
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions"), Pattern.compile("^(.+)\\.kt$"), null, true);
         }
 
+        @Test
+        @TestMetadata("asExpression.kt")
+        public void testAsExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/asExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("binaryExpression.kt")
+        public void testBinaryExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/binaryExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("blockExpression.kt")
+        public void testBlockExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/blockExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("boolLiteral.kt")
+        public void testBoolLiteral() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/boolLiteral.kt");
+        }
+
+        @Test
+        @TestMetadata("classAccessExpression.kt")
+        public void testClassAccessExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/classAccessExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("ifExpression.kt")
+        public void testIfExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/ifExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("intLiteral.kt")
+        public void testIntLiteral() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/intLiteral.kt");
+        }
+
+        @Test
+        @TestMetadata("isExpression.kt")
+        public void testIsExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/isExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("lambdaExpression.kt")
+        public void testLambdaExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/lambdaExpression.kt");
+        }
+
         @Test
         @TestMetadata("objectLiteralExpression.kt")
         public void testObjectLiteralExpression() throws Exception {
             runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/objectLiteralExpression.kt");
         }
 
+        @Test
+        @TestMetadata("parenthesizedExpression.kt")
+        public void testParenthesizedExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/parenthesizedExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("propertyReferenceExpression.kt")
+        public void testPropertyReferenceExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/propertyReferenceExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("stringLiteral.kt")
+        public void testStringLiteral() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/stringLiteral.kt");
+        }
+
         @Test
         @TestMetadata("stringTemplateExpressionEntry.kt")
         public void testStringTemplateExpressionEntry() throws Exception {
             runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/stringTemplateExpressionEntry.kt");
         }
+
+        @Test
+        @TestMetadata("throwExpression.kt")
+        public void testThrowExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/throwExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("tryExpression.kt")
+        public void testTryExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/tryExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("unraryExpression.kt")
+        public void testUnraryExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/unraryExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("whenExpression.kt")
+        public void testWhenExpression() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/whenExpression.kt");
+        }
+
+        @Test
+        @TestMetadata("wholeStringTemplate.kt")
+        public void testWholeStringTemplate() throws Exception {
+            runTest("idea/idea-frontend-fir/idea-fir-low-level-api/testdata/getOrBuildFir/expressions/wholeStringTemplate.kt");
+        }
     }
 
     @Nested