Generate proper exception table

Don't forget to split nested try blocks without finally block
 on generating finally blocks from outer ones.

 #KT-31923 InProgress

compiler/testData/codegen/box/finally/breakAndOuterFinally.kt

@@ -0,0 +1,31 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+var result = ""
+
+fun test() {
+    try {
+        for (z in 1..2) {
+
+            try {
+                result += "try"
+                break
+            } catch (fail: Throwable) {
+                result += " catch"
+            }
+        }
+        result += " after loop"
+    } finally {
+        result += " finally"
+        throw RuntimeException()
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try after loop finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/continueAndOuterFinally.kt

@@ -0,0 +1,31 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+var result = ""
+
+fun test() {
+    try {
+        for (z in 1..2) {
+
+            try {
+                result += "try "
+                continue
+            } catch (fail: Throwable) {
+                result += " catch"
+            }
+        }
+        result += "after loop"
+    } finally {
+        result += " finally"
+        throw RuntimeException()
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try try after loop finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/kt31923_break.kt

@@ -0,0 +1,30 @@
+// !LANGUAGE: +ProperFinally
+// IGNORE_BACKEND_FIR: JVM_IR
+var result = ""
+
+fun test() {
+    for (z in 1..2) {
+        try {
+            try {
+                result += "try"
+                break
+            } catch (fail: Throwable) {
+                result += " catch"
+            }
+        } finally {
+            result += " finally"
+            throw RuntimeException()
+        }
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/kt31923_continue.kt

@@ -0,0 +1,30 @@
+// !LANGUAGE: +ProperFinally
+// IGNORE_BACKEND_FIR: JVM_IR
+var result = ""
+
+fun test() {
+    for (z in 1..2) {
+        try {
+            try {
+                result += "try"
+                continue
+            } catch (fail: Throwable) {
+                result += "catch"
+            }
+        } finally {
+            result += " finally"
+            throw RuntimeException()
+        }
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/kt31923_return.kt

@@ -0,0 +1,27 @@
+// !LANGUAGE: +ProperFinally
+var result = ""
+
+fun test() {
+    try {
+        try {
+            result += "try"
+            return
+        } catch (fail: Throwable) {
+            result += " catch"
+        }
+    } finally {
+        result += " finally"
+        throw RuntimeException()
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/kt31923_wrong.kt

@@ -0,0 +1,28 @@
+// !LANGUAGE: -ProperFinally
+// TARGET_BACKEND: JVM
+var result = ""
+
+fun test() {
+    try {
+        try {
+            result += "try"
+            return
+        } catch (fail: Throwable) {
+            result += " catch"
+        }
+    } finally {
+        result += " finally"
+        throw RuntimeException()
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+
+    }
+
+    return if (result == "try finally catch finally") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/nestedFinallyAndNonFinallyTry.kt

@@ -0,0 +1,32 @@
+// !LANGUAGE: +ProperFinally
+var result = ""
+
+fun test() {
+    try {
+        try {
+            try {
+                result += "try"
+                return
+            } catch (fail: Throwable) {
+                result += " catch"
+            }
+        } finally {
+            result += " finally 1"
+            throw RuntimeException("Fail 1")
+        }
+    } finally {
+        result += " finally 2"
+        throw RuntimeException("Fail 2")
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+        if (e.message != "Fail 2") return "wrong exception: ${e.message}"
+    }
+
+    return if (result == "try finally 1 finally 2") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/nestedFinallyAndNonFinallyTry2.kt

@@ -0,0 +1,34 @@
+// !LANGUAGE: +ProperFinally
+var result = ""
+
+fun test() {
+    try {
+        try {
+            try {
+                result += "try"
+                return
+            } catch (fail: Throwable) {
+                result += " catch"
+            }
+        } catch (e: Throwable) {
+            result += " finally_catch"
+        } finally {
+            result += " finally 1"
+            throw RuntimeException("Fail 1")
+        }
+    } finally {
+        result += " finally 2"
+        throw RuntimeException("Fail 2")
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+        if (e.message != "Fail 2") return "wrong exception: ${e.message}"
+    }
+
+    return if (result == "try finally 1 finally 2") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/nestedFinallyAndNonFinallyTry3.kt

@@ -0,0 +1,37 @@
+// !LANGUAGE: +ProperFinally
+var result = ""
+
+fun test() {
+    try {
+        try {
+            try {
+                try {
+                    result += "try"
+                    return
+                } catch (fail: Throwable) {
+                    result += " catch"
+                }
+            } finally {
+                result += " finally 1"
+                throw RuntimeException(" exception from finally 1")
+            }
+        } catch (e: Throwable) {
+            result += " catch 2"
+            result += e.message
+        }
+    } finally {
+        result += " finally 2"
+        throw RuntimeException("Fail 2")
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+        if (e.message != "Fail 2") return "wrong exception: ${e.message}"
+    }
+
+    return if (result == "try finally 1 catch 2 exception from finally 1 finally 2") "OK" else "fail: $result"
+}

compiler/testData/codegen/box/finally/nestedFinallyAndNonFinallyTry4.kt

@@ -0,0 +1,36 @@
+// !LANGUAGE: +ProperFinally
+var result = ""
+
+fun test() {
+    try {
+        try {
+            try {
+                try {
+                    result += "try"
+                    return
+                } catch (fail: Throwable) {
+                    result += " catch"
+                }
+            } finally {
+                result += " finally 1"
+            }
+        } catch (e: Throwable) {
+            result += " catch 2"
+            result += e.message
+        }
+    } finally {
+        result += " finally 2"
+        throw RuntimeException("Fail 2")
+    }
+}
+
+fun box(): String {
+    try {
+        test()
+        return "fail: expected exception"
+    } catch (e: RuntimeException) {
+        if (e.message != "Fail 2") return "wrong exception: ${e.message}"
+    }
+
+    return if (result == "try finally 1 finally 2") "OK" else "fail: $result"
+}