mirror of
https://github.com/irmen/prog8.git
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434 lines
15 KiB
Kotlin
434 lines
15 KiB
Kotlin
package prog8tests.compiler
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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.datatest.withData
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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.expressions.ArrayLiteral
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import prog8.ast.expressions.IdentifierReference
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import prog8.ast.expressions.NumericLiteral
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import prog8.ast.expressions.RangeExpression
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import prog8.ast.statements.ForLoop
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import prog8.ast.statements.VarDecl
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import prog8.code.core.BaseDataType
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import prog8.code.core.Encoding
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import prog8.code.core.Position
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import prog8.code.target.C64Target
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import prog8.code.target.Cx16Target
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import prog8tests.helpers.ErrorReporterForTests
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import prog8tests.helpers.cartesianProduct
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import prog8tests.helpers.compileText
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/**
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* ATTENTION: this is just kludge!
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* They are not really unit tests, but rather tests of the whole process,
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* from source file loading all the way through to running 64tass.
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*/
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class TestCompilerOnRanges: FunSpec({
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test("testUByteArrayInitializerWithRange_char_to_char") {
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val platform = Cx16Target()
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val result = compileText(platform, false, """
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main {
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sub start() {
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ubyte[] cs = sc:'a' to 'z' ; values are computed at compile time
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cs[0] = 23 ; keep optimizer from removing it
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}
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}
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""")!!
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val program = result.compilerAst
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val startSub = program.entrypoint
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val decl = startSub
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.statements.filterIsInstance<VarDecl>()[0]
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val rhsValues = (decl.value as ArrayLiteral)
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.value // Array<Expression>
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.map { (it as NumericLiteral).number.toInt() }
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val expectedStart = platform.encodeString("a", Encoding.SCREENCODES)[0].toInt()
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val expectedEnd = platform.encodeString("z", Encoding.PETSCII)[0].toInt()
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val expectedStr = "$expectedStart .. $expectedEnd"
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val actualStr = "${rhsValues.first()} .. ${rhsValues.last()}"
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withClue(".first .. .last") {
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actualStr shouldBe expectedStr
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}
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withClue("rangeExpr.size()") {
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(rhsValues.last() - rhsValues.first() + 1) shouldBe (expectedEnd - expectedStart + 1)
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}
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}
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test("testFloatArrayInitializerWithRange_char_to_char") {
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val platform = C64Target()
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val result = compileText(platform, optimize = false, """
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%import floats
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main {
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sub start() {
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float[] cs = 'a' to 'z' ; values are computed at compile time
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cs[0] = 23 ; keep optimizer from removing it
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}
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}
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""")!!
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val program = result.compilerAst
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val startSub = program.entrypoint
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val decl = startSub
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.statements.filterIsInstance<VarDecl>()[0]
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val rhsValues = (decl.value as ArrayLiteral)
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.value // Array<Expression>
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.map { (it as NumericLiteral).number.toInt() }
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val expectedStart = platform.encodeString("a", Encoding.PETSCII)[0].toInt()
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val expectedEnd = platform.encodeString("z", Encoding.PETSCII)[0].toInt()
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val expectedStr = "$expectedStart .. $expectedEnd"
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val actualStr = "${rhsValues.first()} .. ${rhsValues.last()}"
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withClue(".first .. .last") {
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actualStr shouldBe expectedStr
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}
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withClue("rangeExpr.size()") {
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rhsValues.size shouldBe (expectedEnd - expectedStart + 1)
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}
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}
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context("floatArrayInitializerWithRange") {
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withData(
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nameFn = {
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when (it.first) {
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"" -> "no"
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"42" -> "correct"
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else -> "wrong"
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} + " array size given" +
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", " + (if (it.second == "") "without" else "with") + " %option enable_floats" +
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", ${it.third.name}, optimize: ${it.fourth}"
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},
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cartesianProduct(
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listOf("", "42", "41"), // sizeInDecl
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listOf("%import floats", ""), // optEnableFloats
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listOf(Cx16Target(), C64Target()), // platform
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listOf(false, true) // optimize
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)
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) { seq ->
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val (sizeInDecl, optEnableFloats, platform, optimize) = seq
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val result = compileText(platform, optimize, """
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$optEnableFloats
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main {
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sub start() {
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float[$sizeInDecl] cs = 1 to 42 ; values are computed at compile time
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cs[0] = 23 ; keep optimizer from removing it
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}
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}
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""")
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if (optEnableFloats != "" && (sizeInDecl=="" || sizeInDecl=="42"))
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result shouldNotBe null
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else
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result shouldBe null
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}
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}
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test("testForLoopWithRange_char_to_char") {
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val platform = Cx16Target()
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val result = compileText(platform, optimize = true, """
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main {
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sub start() {
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ubyte i
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for i in sc:'a' to 'f' {
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i += i ; keep optimizer from removing it
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}
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}
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}
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""")!!
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val program = result.compilerAst
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val startSub = program.entrypoint
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val iterable = startSub
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.statements.filterIsInstance<ForLoop>()
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.map { it.iterable }[0]
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val rangeExpr = iterable as RangeExpression
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val expectedStart = platform.encodeString("a", Encoding.SCREENCODES)[0].toInt()
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val expectedEnd = platform.encodeString("f", Encoding.PETSCII)[0].toInt()
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val expectedStr = "$expectedStart .. $expectedEnd"
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val intProgression = rangeExpr.toConstantIntegerRange()
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val actualStr = "${intProgression?.first} .. ${intProgression?.last}"
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withClue(".first .. .last") {
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actualStr shouldBe expectedStr
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}
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withClue("rangeExpr.size()") {
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rangeExpr.size() shouldBe (expectedEnd - expectedStart + 1)
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}
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}
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test("testForLoopWithRange_ubyte_to_ubyte") {
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val platform = Cx16Target()
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val result = compileText(platform, optimize = true, """
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main {
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sub start() {
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ubyte i
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for i in 1 to 9 {
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i += i ; keep optimizer from removing it
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}
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}
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}
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""")!!
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val program = result.compilerAst
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val startSub = program.entrypoint
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val rangeExpr = startSub
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.statements.filterIsInstance<ForLoop>()
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.map { it.iterable }
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.filterIsInstance<RangeExpression>()[0]
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rangeExpr.size() shouldBe 9
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val intProgression = rangeExpr.toConstantIntegerRange()
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intProgression?.first shouldBe 1
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intProgression?.last shouldBe 9
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}
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test("testForLoopWithRange_str_downto_str") {
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val errors = ErrorReporterForTests()
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compileText(
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Cx16Target(), true, """
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main {
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sub start() {
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ubyte i
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for i in "start" downto "end" {
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i += i ; keep optimizer from removing it
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}
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}
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}
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""", errors, false) shouldBe null
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain ".p8:5:30: range expression from value must be integer"
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errors.errors[1] shouldContain ".p8:5:45: range expression to value must be integer"
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}
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test("testForLoopWithIterable_str") {
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val result = compileText(
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Cx16Target(), false, """
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main {
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sub start() {
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ubyte i
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for i in "something" {
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i += i ; keep optimizer from removing it
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}
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}
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}
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""")!!
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val program = result.compilerAst
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val startSub = program.entrypoint
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val iterable = startSub
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.statements.filterIsInstance<ForLoop>()
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.map { it.iterable }
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.filterIsInstance<IdentifierReference>()[0]
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iterable.inferType(program).getOrUndef() shouldBe BaseDataType.STR
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}
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test("testRangeExprNumericSize") {
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val expr = RangeExpression(
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NumericLiteral.optimalInteger(10, Position.DUMMY),
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NumericLiteral.optimalInteger(20, Position.DUMMY),
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NumericLiteral.optimalInteger(2, Position.DUMMY),
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Position.DUMMY)
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expr.size() shouldBe 6
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expr.toConstantIntegerRange() shouldBe (10..20 step 2)
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val expr2 = RangeExpression(
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NumericLiteral.optimalInteger(20, Position.DUMMY),
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NumericLiteral.optimalInteger(10, Position.DUMMY),
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NumericLiteral.optimalInteger(-3, Position.DUMMY),
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Position.DUMMY)
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expr2.size() shouldBe 4
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expr2.toConstantIntegerRange() shouldBe (20 downTo 10 step 3)
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}
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test("range with negative step should be constvalue") {
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val result = compileText(
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C64Target(), false, """
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main {
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sub start() {
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ubyte[] array = 100 to 50 step -2
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ubyte xx
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for xx in 100 to 50 step -2 {
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}
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}
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}
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""")!!
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val statements = result.compilerAst.entrypoint.statements
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val array = (statements[0] as VarDecl).value
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array shouldBe instanceOf<ArrayLiteral>()
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(array as ArrayLiteral).value.size shouldBe 26
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val forloop = (statements.dropLast(1).last() as ForLoop)
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forloop.iterable shouldBe instanceOf<RangeExpression>()
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(forloop.iterable as RangeExpression).step shouldBe NumericLiteral(BaseDataType.UBYTE, -2.0, Position.DUMMY)
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}
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test("range with start/end variables should be ok") {
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val result = compileText(
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C64Target(), false, """
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main {
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sub start() {
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byte from = 100
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byte end = 50
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byte xx
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for xx in from to end step -2 {
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}
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}
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}
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""")!!
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val statements = result.compilerAst.entrypoint.statements
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val forloop = (statements.dropLast(1).last() as ForLoop)
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forloop.iterable shouldBe instanceOf<RangeExpression>()
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(forloop.iterable as RangeExpression).step shouldBe NumericLiteral(BaseDataType.UBYTE, -2.0, Position.DUMMY)
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}
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test("for statement on all possible iterable expressions") {
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compileText(
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C64Target(), false, """
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main {
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sub start() {
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ubyte xx
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uword ww
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str name = "irmen"
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ubyte[] values = [1,2,3,4,5,6,7]
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uword[] wvalues = [1000,2000,3000]
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for xx in name {
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xx++
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}
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for xx in values {
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xx++
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}
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for xx in 10 to 20 step 3 {
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xx++
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}
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for xx in "abcdef" {
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xx++
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}
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for xx in [2,4,6,8] {
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xx++
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}
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for ww in [9999,8888,7777] {
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xx++
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}
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for ww in wvalues {
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xx++
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}
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}
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}""", writeAssembly = true) shouldNotBe null
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}
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test("if containment check on all possible iterable expressions") {
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compileText(
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C64Target(), false, """
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main {
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sub start() {
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ubyte xx
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uword ww
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str name = "irmen"
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ubyte[] values = [1,2,3,4,5,6,7]
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uword[] wvalues = [1000,2000,3000]
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if 'm' in name {
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xx++
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}
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if 5 in values {
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xx++
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}
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if 'b' in "abcdef" {
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xx++
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}
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if xx in name {
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xx++
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}
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if xx in values {
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xx++
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}
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if xx in "abcdef" {
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xx++
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}
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if xx in [2,4,6,8] {
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xx++
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}
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if ww in [9999,8888,7777] {
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xx++
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}
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if ww in wvalues {
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xx++
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}
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if xx in 10 to 20 {
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xx++
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}
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if ww in 1000 to 2000 {
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xx++
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}
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}
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}""", writeAssembly = true) shouldNotBe null
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}
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test("containment check in expressions") {
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compileText(
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C64Target(), false, """
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main {
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sub start() {
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bool xx
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uword ww
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str name = "irmen"
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ubyte[] values = [1,2,3,4,5,6,7]
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uword[] wvalues = [1000,2000,3000]
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xx = 'm' in name
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xx = 5 in values
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xx = 'b' in "abcdef"
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xx = 8 in [2,4,6,8]
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xx = xx in name
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xx = xx in values
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xx = xx in "abcdef"
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xx = xx in [2,4,6,8]
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xx = ww in [9000,8000,7000]
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xx = ww in wvalues
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}
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}""", writeAssembly = true) shouldNotBe null
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}
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test("ranges with byte and word boundary") {
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val src="""
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main{
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sub start() {
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cx16.r0 = 500
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if cx16.r0 in 127 to 5555
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cx16.r0++
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cx16.r0 = 50
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if cx16.r0 in 5555 downto 127
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cx16.r0++
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}
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}
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"""
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compileText(Cx16Target(), true, src, writeAssembly = true) shouldNotBe null
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}
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})
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