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Introduce typed semantic analysis pipeline

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pavel 2026-08-27 19:28:24 +02:00
commit f4cd4f4458
30 changed files with 2079 additions and 2381 deletions
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14
internal/lang/nullability_test.go
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@ -8,8 +8,8 @@ import (
func TestSafeAccessAndNonNullAssertion(t *testing.T) {
prog, err := Parse(`package demo
data class User(var email: String)
fun safe(user: *User?): String? { return user?.email }
fun required(user: *User?): String { return user!!.email }`)
fun safe(user: User?): String? { return user?.email }
fun required(user: User?): String { return user!!.email }`)
if err != nil {
t.Fatal(err)
}
@ -26,7 +26,7 @@ fun required(user: *User?): String { return user!!.email }`)
func TestRejectNullableDereference(t *testing.T) {
prog, err := Parse(`package demo
fun unsafe(user: *User?): String { return user.email }`)
fun unsafe(user: User?): String { return user.email }`)
if err != nil {
t.Fatal(err)
}
@ -38,8 +38,8 @@ fun unsafe(user: *User?): String { return user.email }`)
func TestRejectNullForNonNullableTypes(t *testing.T) {
for _, source := range []string{
`package demo data class User(var email: String) fun main() { val user: *User = null }`,
`package demo data class User(var email: String) fun use(user: *User) {} fun main() { use(null) }`,
`package demo data class User(var email: String) fun main() { val user: User = null }`,
`package demo data class User(var email: String) fun use(user: User) {} fun main() { use(null) }`,
`package demo fun name(): String { return null }`,
`package demo fun main() { val value = null }`,
} {
@ -56,8 +56,8 @@ func TestRejectNullForNonNullableTypes(t *testing.T) {
func TestNullableSmartCasts(t *testing.T) {
prog, err := Parse(`package demo
data class User(var email: String)
fun guarded(user: *User?): String { if (user == null) { return "missing" }; return user.email }
fun branched(user: *User?): String { if (user != null) { return user.email } else { return "missing" } }`)
fun guarded(user: User?): String { if (user == null) { return "missing" }; return user.email }
fun branched(user: User?): String { if (user != null) { return user.email } else { return "missing" } }`)
if err != nil {
t.Fatal(err)
}