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306 lines
11 KiB
Kotlin
306 lines
11 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.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.base.Position
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import prog8.ast.expressions.*
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import prog8.ast.statements.ForLoop
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import prog8.ast.statements.VarDecl
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import prog8.compiler.printProgram
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import prog8.compiler.target.C64Target
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import prog8.compiler.target.Cx16Target
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import prog8.compilerinterface.size
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import prog8.compilerinterface.toConstantIntegerRange
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import prog8tests.ast.helpers.cartesianProduct
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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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/**
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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 = @'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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""").assertSuccess()
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val program = result.program
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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 ArrayLiteralValue)
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.value // Array<Expression>
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.map { (it as NumericLiteralValue).number.toInt() }
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val expectedStart = platform.encodeString("a", true)[0].toInt()
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val expectedEnd = platform.encodeString("z", false)[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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%option enable_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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""").assertSuccess()
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val program = result.program
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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 ArrayLiteralValue)
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.value // Array<Expression>
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.map { (it as NumericLiteralValue).number.toInt() }
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val expectedStart = platform.encodeString("a", false)[0].toInt()
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val expectedEnd = platform.encodeString("z", false)[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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val combos = cartesianProduct(
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listOf("", "42", "41"), // sizeInDecl
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listOf("%option enable_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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combos.forEach {
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val (sizeInDecl, optEnableFloats, platform, optimize) = it
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val displayName =
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when (sizeInDecl) {
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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 (optEnableFloats == "") "without" else "with") + " %option enable_floats" +
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", ${platform.name}, optimize: $optimize"
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test(displayName) {
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val result = compileText(platform, optimize, """
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$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.assertSuccess()
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else
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result.assertFailure()
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}
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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 @'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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""").assertSuccess()
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val program = result.program
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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 RangeExpr
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val expectedStart = platform.encodeString("a", true)[0].toInt()
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val expectedEnd = platform.encodeString("f", false)[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_bool_to_bool") {
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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 false to true {
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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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""").assertSuccess()
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val program = result.program
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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<RangeExpr>()[0]
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rangeExpr.size() shouldBe 2
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val intProgression = rangeExpr.toConstantIntegerRange()
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intProgression?.first shouldBe 0
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intProgression?.last shouldBe 1
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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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""").assertSuccess()
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val program = result.program
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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<RangeExpr>()[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(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).assertFailure()
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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(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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""").assertSuccess()
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val program = result.program
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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).getOr(DataType.UNDEFINED) shouldBe DataType.STR
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}
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test("testRangeExprNumericSize") {
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val expr = RangeExpr(
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NumericLiteralValue.optimalInteger(10, Position.DUMMY),
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NumericLiteralValue.optimalInteger(20, Position.DUMMY),
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NumericLiteralValue.optimalInteger(2, Position.DUMMY),
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Position.DUMMY)
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expr.size() shouldBe 6
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expr.toConstantIntegerRange()
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}
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test("range with negative step should be constvalue") {
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val result = compileText(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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""").assertSuccess()
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val statements = result.program.entrypoint.statements
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val array = (statements[0] as VarDecl).value
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array shouldBe instanceOf<ArrayLiteralValue>()
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(array as ArrayLiteralValue).value.size shouldBe 26
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val forloop = (statements.dropLast(1).last() as ForLoop)
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forloop.iterable shouldBe instanceOf<RangeExpr>()
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(forloop.iterable as RangeExpr).step shouldBe NumericLiteralValue(DataType.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(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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""").assertSuccess()
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val statements = result.program.entrypoint.statements
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val forloop = (statements.dropLast(1).last() as ForLoop)
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forloop.iterable shouldBe instanceOf<RangeExpr>()
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(forloop.iterable as RangeExpr).step shouldBe NumericLiteralValue(DataType.UBYTE, -2.0, Position.DUMMY)
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}
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})
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