KT-63269: implementation for SIRGenerator with top-level functions

KT-63269: add test generator

Merge-request: KT-MR-12945
Merged-by: Artem Olkov <artem.olkov@jetbrains.com>

native/swift/sir-analysis-api/testData/functions_overload.kt

@@ -0,0 +1,12 @@
+// FILE: one.kt
+
+package namespace
+fun foo(arg1: Int) = println("")
+fun foo(arg1: Double) = println("")
+
+// FILE: two.kt
+
+package other.namespace
+
+fun foo(arg1: Int) = println("")
+fun foo(arg1: Double) = println("")

native/swift/sir-analysis-api/testData/functions_overload.sir

@@ -0,0 +1,4 @@
+[namespace, foo]
+[namespace, foo]
+[other, namespace, foo]
+[other, namespace, foo]

native/swift/sir-analysis-api/testData/namespaced_functions.kt

@@ -0,0 +1,12 @@
+// FILE: one.kt
+
+package com.awesome.namespace
+fun foo() = println("")
+
+fun bar() = ""
+
+// FILE: two.kt
+
+package com.awesome.other.namespace
+
+fun foo() = ""

native/swift/sir-analysis-api/testData/namespaced_functions.sir

@@ -0,0 +1,3 @@
+[com, awesome, namespace, foo]
+[com, awesome, namespace, bar]
+[com, awesome, other, namespace, foo]

native/swift/sir-analysis-api/testData/should_ignore_not_public_functions.kt

@@ -0,0 +1,3 @@
+public fun foo_public() = println("")
+internal fun foo_internal() = println("")
+private fun foo_private() = println("")

native/swift/sir-analysis-api/testData/should_ignore_not_public_functions.sir

@@ -0,0 +1 @@
+[foo_public]

native/swift/sir-analysis-api/testData/simple_function.kt

@@ -0,0 +1 @@
+fun foo() = println("")

native/swift/sir-analysis-api/testData/simple_function.sir

@@ -0,0 +1 @@
+[foo]