psi2ir: support dynamic infix calls ('foo bar 42' is 'foo.bar(42)')

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DynamicCalls.kt

@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.util.OperatorNameConventions
 
 internal fun ResolvedCall<*>.isImplicitInvoke(): Boolean {
     if (resultingDescriptor.name != OperatorNameConventions.INVOKE) return false
-    val callExpression = call.callElement as? KtCallExpression ?: return true
+    val callExpression = call.callElement as? KtCallExpression ?: return false
     val calleeExpression = callExpression.calleeExpression as? KtSimpleNameExpression ?: return true
     return calleeExpression.getReferencedName() != OperatorNameConventions.INVOKE.asString()
 }

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/OperatorExpressionGenerator.kt

@@ -177,14 +177,17 @@ class OperatorExpressionGenerator(statementGenerator: StatementGenerator) : Stat
 
         val kotlinType = context.bindingContext.getType(ktExpression) ?: throw AssertionError("No type for ${ktExpression.text}")
 
+        val startOffset = ktExpression.startOffsetSkippingComments
+        val endOffset = ktExpression.endOffset
+        val irType = kotlinType.toIrType()
+
+        if (ktExpression.operationToken == KtTokens.IDENTIFIER) {
+            return generateCall(getResolvedCall(ktExpression)!!, ktExpression, null)
+        }
+
         val operator = ktExpression.getDynamicOperator()
 
-        return IrDynamicOperatorExpressionImpl(
-            ktExpression.startOffsetSkippingComments,
-            ktExpression.endOffset,
-            kotlinType.toIrType(),
-            operator
-        ).apply {
+        return IrDynamicOperatorExpressionImpl(startOffset, endOffset, irType, operator).apply {
             left = ktLeft.genExpr()
             right = ktRight.genExpr()
         }

compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/kt26384_2.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM_IR, JS_IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 

compiler/testData/ir/irJsText/dynamic/dynamicInfixCall.kt

@@ -0,0 +1,3 @@
+fun test1(d: dynamic) = d foo 123
+
+fun test2(d: dynamic) = d invoke 123

compiler/testData/ir/irJsText/dynamic/dynamicInfixCall.txt

@@ -0,0 +1,17 @@
+FILE fqName:<root> fileName:/dynamicInfixCall.kt
+  FUN name:test1 visibility:public modality:FINAL <> (d:dynamic) returnType:dynamic flags:
+    VALUE_PARAMETER name:d index:0 type:dynamic flags:
+    BLOCK_BODY
+      RETURN type=kotlin.Nothing from='test1(dynamic): dynamic'
+        DYN_OP operator=INVOKE type=dynamic
+          receiver: DYN_MEMBER memberName='foo' type=dynamic
+            GET_VAR 'value-parameter d: dynamic' type=dynamic origin=null
+          0: CONST Int type=kotlin.Int value=123
+  FUN name:test2 visibility:public modality:FINAL <> (d:dynamic) returnType:dynamic flags:
+    VALUE_PARAMETER name:d index:0 type:dynamic flags:
+    BLOCK_BODY
+      RETURN type=kotlin.Nothing from='test2(dynamic): dynamic'
+        DYN_OP operator=INVOKE type=dynamic
+          receiver: DYN_MEMBER memberName='invoke' type=dynamic
+            GET_VAR 'value-parameter d: dynamic' type=dynamic origin=null
+          0: CONST Int type=kotlin.Int value=123

compiler/tests/org/jetbrains/kotlin/ir/IrJsTextTestCaseGenerated.java

@@ -101,6 +101,11 @@ public class IrJsTextTestCaseGenerated extends AbstractIrJsTextTestCase {
             runTest("compiler/testData/ir/irJsText/dynamic/dynamicExclExclOperator.kt");
         }
 
+        @TestMetadata("dynamicInfixCall.kt")
+        public void testDynamicInfixCall() throws Exception {
+            runTest("compiler/testData/ir/irJsText/dynamic/dynamicInfixCall.kt");
+        }
+
         @TestMetadata("dynamicMemberAccess.kt")
         public void testDynamicMemberAccess() throws Exception {
             runTest("compiler/testData/ir/irJsText/dynamic/dynamicMemberAccess.kt");