mirror of
https://github.com/irmen/prog8.git
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343 lines
13 KiB
Kotlin
343 lines
13 KiB
Kotlin
package prog8tests
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import io.kotest.assertions.withClue
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import io.kotest.core.spec.style.FunSpec
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import io.kotest.matchers.shouldBe
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import io.kotest.matchers.shouldNotBe
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import io.kotest.matchers.string.shouldContain
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import io.kotest.matchers.types.instanceOf
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import prog8.ast.base.DataType
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import prog8.ast.expressions.*
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import prog8.ast.statements.*
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import prog8.compiler.printProgram
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import prog8.compiler.target.C64Target
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import prog8tests.helpers.ErrorReporterForTests
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import prog8tests.helpers.assertFailure
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import prog8tests.helpers.assertSuccess
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import prog8tests.helpers.compileText
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class TestSubroutines: FunSpec({
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test("stringParameter") {
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val text = """
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main {
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sub start() {
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str text = "test"
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asmfunc("text")
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asmfunc(text)
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asmfunc($2000)
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func("text")
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func(text)
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func($2000)
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}
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asmsub asmfunc(str thing @AY) {
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}
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sub func(str thing) {
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uword t2 = thing as uword
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asmfunc(thing)
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = false).assertSuccess()
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val module = result.program.toplevelModule
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val mainBlock = module.statements.single() as Block
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val asmfunc = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="asmfunc"}
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val func = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="func"}
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asmfunc.isAsmSubroutine shouldBe true
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asmfunc.statements.isEmpty() shouldBe true
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func.isAsmSubroutine shouldBe false
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withClue("str param for subroutines should be changed into UWORD") {
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asmfunc.parameters.single().type shouldBe DataType.UWORD
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func.parameters.single().type shouldBe DataType.UWORD
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func.statements.size shouldBe 4
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val paramvar = func.statements[0] as VarDecl
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paramvar.name shouldBe "thing"
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paramvar.datatype shouldBe DataType.UWORD
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}
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val assign = func.statements[2] as Assignment
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assign.target.identifier!!.nameInSource shouldBe listOf("t2")
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withClue("str param in function body should have been transformed into just uword assignment") {
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assign.value shouldBe instanceOf<IdentifierReference>()
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}
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val call = func.statements[3] as FunctionCallStatement
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call.target.nameInSource.single() shouldBe "asmfunc"
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withClue("str param in function body should not be transformed by normal compiler steps") {
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call.args.single() shouldBe instanceOf<IdentifierReference>()
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}
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(call.args.single() as IdentifierReference).nameInSource.single() shouldBe "thing"
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}
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test("stringParameterAsmGen") {
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val text = """
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main {
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sub start() {
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str text = "test"
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asmfunc("text")
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asmfunc(text)
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asmfunc($2000)
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func("text")
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func(text)
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func($2000)
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}
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asmsub asmfunc(str thing @AY) {
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}
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sub func(str thing) {
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uword t2 = thing as uword
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asmfunc(thing)
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = true).assertSuccess()
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val module = result.program.toplevelModule
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val mainBlock = module.statements.single() as Block
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val asmfunc = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="asmfunc"}
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val func = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="func"}
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asmfunc.isAsmSubroutine shouldBe true
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asmfunc.statements.single() shouldBe instanceOf<Return>()
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func.isAsmSubroutine shouldBe false
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withClue("str param should have been changed to uword") {
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asmfunc.parameters.single().type shouldBe DataType.UWORD
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func.parameters.single().type shouldBe DataType.UWORD
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}
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asmfunc.statements.last() shouldBe instanceOf<Return>()
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func.statements.size shouldBe 5
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func.statements[4] shouldBe instanceOf<Return>()
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val paramvar = func.statements[0] as VarDecl
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paramvar.name shouldBe "thing"
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withClue("pre-asmgen should have changed str to uword type") {
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paramvar.datatype shouldBe DataType.UWORD
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}
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val assign = func.statements[2] as Assignment
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assign.target.identifier!!.nameInSource shouldBe listOf("t2")
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withClue("str param in function body should be treated as plain uword before asmgen") {
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assign.value shouldBe instanceOf<IdentifierReference>()
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}
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(assign.value as IdentifierReference).nameInSource.single() shouldBe "thing"
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val call = func.statements[3] as FunctionCallStatement
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call.target.nameInSource.single() shouldBe "asmfunc"
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withClue("str param in function body should be treated as plain uword and not been transformed") {
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call.args.single() shouldBe instanceOf<IdentifierReference>()
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}
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(call.args.single() as IdentifierReference).nameInSource.single() shouldBe "thing"
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}
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test("ubyte[] array parameters") {
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val text = """
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main {
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sub start() {
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ubyte[] array = [1,2,3]
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asmfunc(array)
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asmfunc($2000)
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asmfunc("zzzz")
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func(array)
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func($2000)
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func("zzzz")
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}
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asmsub asmfunc(ubyte[] thing @AY) {
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}
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sub func(ubyte[] thing) {
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = false).assertSuccess()
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val module = result.program.toplevelModule
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val mainBlock = module.statements.single() as Block
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val asmfunc = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="asmfunc"}
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val func = mainBlock.statements.filterIsInstance<Subroutine>().single { it.name=="func"}
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withClue("ubyte array param should have been replaced by UWORD pointer") {
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asmfunc.parameters.single().type shouldBe DataType.UWORD
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func.parameters.single().type shouldBe DataType.UWORD
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}
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}
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test("not ubyte[] array parameters not allowed") {
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val text = """
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main {
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sub start() {
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}
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asmsub func1(uword[] thing @AY) {
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}
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sub func(byte[] thing) {
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}
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}
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"""
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val errors = ErrorReporterForTests()
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compileText(C64Target, false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "pass-by-reference type can't be used"
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errors.errors[1] shouldContain "pass-by-reference type can't be used"
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}
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test("uword param and normal varindexed as array work as DirectMemoryRead") {
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val text="""
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main {
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sub thing(uword rr) {
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ubyte @shared xx = rr[1] ; should still work as var initializer that will be rewritten
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ubyte @shared yy
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yy = rr[2]
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uword @shared other
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ubyte zz = other[3]
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}
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sub start() {
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ubyte[] array=[1,2,3]
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thing(array)
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = true).assertSuccess()
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val module = result.program.toplevelModule
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val block = module.statements.single() as Block
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val thing = block.statements.filterIsInstance<Subroutine>().single {it.name=="thing"}
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block.name shouldBe "main"
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thing.statements.size shouldBe 10 // rr paramdecl, xx, xx assign, yy decl, yy assign, other, other assign 0, zz, zz assign, return
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val xx = thing.statements[1] as VarDecl
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withClue("vardecl init values must have been moved to separate assignments") {
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xx.value shouldBe null
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}
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val assignXX = thing.statements[2] as Assignment
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val assignYY = thing.statements[4] as Assignment
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val assignZZ = thing.statements[8] as Assignment
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assignXX.target.identifier!!.nameInSource shouldBe listOf("xx")
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assignYY.target.identifier!!.nameInSource shouldBe listOf("yy")
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assignZZ.target.identifier!!.nameInSource shouldBe listOf("zz")
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val valueXXexpr = (assignXX.value as DirectMemoryRead).addressExpression as BinaryExpression
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val valueYYexpr = (assignYY.value as DirectMemoryRead).addressExpression as BinaryExpression
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val valueZZexpr = (assignZZ.value as DirectMemoryRead).addressExpression as BinaryExpression
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(valueXXexpr.left as IdentifierReference).nameInSource shouldBe listOf("rr")
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(valueYYexpr.left as IdentifierReference).nameInSource shouldBe listOf("rr")
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(valueZZexpr.left as IdentifierReference).nameInSource shouldBe listOf("other")
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(valueXXexpr.right as NumericLiteralValue).number.toInt() shouldBe 1
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(valueYYexpr.right as NumericLiteralValue).number.toInt() shouldBe 2
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(valueZZexpr.right as NumericLiteralValue).number.toInt() shouldBe 3
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}
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test("uword param and normal varindexed as array work as MemoryWrite") {
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val text="""
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main {
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sub thing(uword rr) {
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rr[10] = 42
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}
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sub start() {
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ubyte[] array=[1,2,3]
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thing(array)
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = true).assertSuccess()
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val module = result.program.toplevelModule
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val block = module.statements.single() as Block
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val thing = block.statements.filterIsInstance<Subroutine>().single {it.name=="thing"}
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block.name shouldBe "main"
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thing.statements.size shouldBe 3 // "rr, rr assign, return void"
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val assignRR = thing.statements[1] as Assignment
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(assignRR.value as NumericLiteralValue).number.toInt() shouldBe 42
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val memwrite = assignRR.target.memoryAddress
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memwrite shouldNotBe null
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val addressExpr = memwrite!!.addressExpression as BinaryExpression
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(addressExpr.left as IdentifierReference).nameInSource shouldBe listOf("rr")
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addressExpr.operator shouldBe "+"
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(addressExpr.right as NumericLiteralValue).number.toInt() shouldBe 10
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}
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test("invalid number of args check on normal subroutine") {
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val text="""
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main {
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sub thing(ubyte a1, ubyte a2) {
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}
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sub start() {
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thing(1)
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thing(1,2)
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thing(1,2,3)
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}
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}
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"""
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val errors = ErrorReporterForTests()
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compileText(C64Target, false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "7:25) invalid number of arguments"
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errors.errors[1] shouldContain "9:25) invalid number of arguments"
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}
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test("invalid number of args check on asm subroutine") {
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val text="""
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main {
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asmsub thing(ubyte a1 @A, ubyte a2 @Y) {
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}
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sub start() {
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thing(1)
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thing(1,2)
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thing(1,2,3)
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}
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}
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"""
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val errors = ErrorReporterForTests()
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compileText(C64Target, false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "7:25) invalid number of arguments"
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errors.errors[1] shouldContain "9:25) invalid number of arguments"
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}
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test("invalid number of args check on call to label and builtin func") {
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val text="""
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main {
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label:
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sub start() {
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label()
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label(1)
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void rnd()
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void rnd(1)
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}
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}
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"""
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val errors = ErrorReporterForTests()
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compileText(C64Target, false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "cannot use arguments"
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errors.errors[1] shouldContain "invalid number of arguments"
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}
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test("fallthrough prevented") {
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val text = """
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main {
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sub start() {
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func(1, 2, 3)
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sub func(ubyte a, ubyte b, ubyte c) {
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a++
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}
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}
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}
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"""
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val result = compileText(C64Target, false, text, writeAssembly = true).assertSuccess()
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val stmts = result.program.entrypoint.statements
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stmts.last() shouldBe instanceOf<Subroutine>()
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stmts.dropLast(1).last() shouldBe instanceOf<Return>() // this prevents the fallthrough
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stmts.dropLast(2).last() shouldBe instanceOf<GoSub>()
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}
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})
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