prog8/compilerAst/test/TestSubroutines.kt

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Kotlin
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package prog8tests.ast
import io.kotest.core.spec.style.AnnotationSpec
import io.kotest.matchers.shouldBe
import prog8.ast.base.DataType
import prog8.ast.statements.Block
import prog8.ast.statements.Subroutine
import prog8.parser.Prog8Parser.parseModule
import prog8.parser.SourceCode
class TestSubroutines: AnnotationSpec() {
@Test
fun stringParameterAcceptedInParser() {
// note: the *parser* should accept this as it is valid *syntax*,
// however, the compiler itself may or may not complain about it later.
val text = """
main {
asmsub asmfunc(str thing @AY) {
}
sub func(str thing) {
}
}
"""
val src = SourceCode.Text(text)
val module = parseModule(src)
val mainBlock = module.statements.single() as Block
val asmfunc = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="asmfunc"}
val func = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="func"}
asmfunc.isAsmSubroutine shouldBe true
asmfunc.parameters.single().type shouldBe DataType.STR
asmfunc.statements.isEmpty() shouldBe true
func.isAsmSubroutine shouldBe false
func.parameters.single().type shouldBe DataType.STR
func.statements.isEmpty() shouldBe true
}
@Test
fun arrayParameterAcceptedInParser() {
// note: the *parser* should accept this as it is valid *syntax*,
// however, the compiler itself may or may not complain about it later.
val text = """
main {
asmsub asmfunc(ubyte[] thing @AY) {
}
sub func(ubyte[22] thing) {
}
}
"""
val src = SourceCode.Text(text)
val module = parseModule(src)
val mainBlock = module.statements.single() as Block
val asmfunc = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="asmfunc"}
val func = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="func"}
asmfunc.isAsmSubroutine shouldBe true
asmfunc.parameters.single().type shouldBe DataType.ARRAY_UB
asmfunc.statements.isEmpty() shouldBe true
func.isAsmSubroutine shouldBe false
func.parameters.single().type shouldBe DataType.ARRAY_UB
func.statements.isEmpty() shouldBe true
}
}