prog8/codeGenCpu6502/test/TestCodegen.kt

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Kotlin
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package prog8tests.codegencpu6502
import io.kotest.assertions.throwables.shouldNotThrowAny
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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.ints.shouldBeGreaterThanOrEqual
import io.kotest.matchers.shouldBe
import prog8.code.SymbolTableMaker
import prog8.code.ast.*
import prog8.code.core.*
import prog8.code.target.C64Target
import prog8.codegen.cpu6502.AsmGen6502
import java.nio.file.Files
import kotlin.io.path.Path
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class TestCodegen: FunSpec({
fun getTestOptions(): CompilationOptions {
val target = C64Target()
return CompilationOptions(
OutputType.RAW,
CbmPrgLauncherType.NONE,
ZeropageType.DONTUSE,
zpReserved = emptyList(),
zpAllowed = CompilationOptions.AllZeropageAllowed,
floats = true,
noSysInit = false,
compTarget = target,
loadAddress = target.machine.PROGRAM_LOAD_ADDRESS
)
}
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test("augmented assign on arrays") {
//main {
// sub start() {
// ubyte[] particleX = [1,2,3]
// ubyte[] particleDX = [1,2,3]
// particleX[2] += particleDX[2]
//
// word @shared xx = 1
// xx = -xx
// xx += 42
// xx += cx16.r0
// }
//}
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val codegen = AsmGen6502(prefixSymbols = false)
val program = PtProgram("test", DummyMemsizer, DummyStringEncoder)
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val block = PtBlock("main",false, SourceCode.Generated("test"), PtBlock.Options(), Position.DUMMY)
val sub = PtSub("start", emptyList(), null, Position.DUMMY)
sub.add(PtVariable("pi", DataType.UBYTE, ZeropageWish.DONTCARE, PtNumber(DataType.UBYTE, 0.0, Position.DUMMY), null, Position.DUMMY))
sub.add(PtVariable("particleX", DataType.ARRAY_UB, ZeropageWish.DONTCARE, null, 3u, Position.DUMMY))
sub.add(PtVariable("particleDX", DataType.ARRAY_UB, ZeropageWish.DONTCARE, null, 3u, Position.DUMMY))
sub.add(PtVariable("xx", DataType.WORD, ZeropageWish.DONTCARE, PtNumber(DataType.WORD, 1.0, Position.DUMMY), null, Position.DUMMY))
val assign = PtAugmentedAssign("+=", Position.DUMMY)
val target = PtAssignTarget(Position.DUMMY).also {
val targetIdx = PtArrayIndexer(DataType.UBYTE, Position.DUMMY).also { idx ->
idx.add(PtIdentifier("main.start.particleX", DataType.ARRAY_UB, Position.DUMMY))
idx.add(PtNumber(DataType.UBYTE, 2.0, Position.DUMMY))
}
it.add(targetIdx)
}
val value = PtArrayIndexer(DataType.UBYTE, Position.DUMMY)
value.add(PtIdentifier("main.start.particleDX", DataType.ARRAY_UB, Position.DUMMY))
value.add(PtNumber(DataType.UBYTE, 2.0, Position.DUMMY))
assign.add(target)
assign.add(value)
sub.add(assign)
val prefixAssign = PtAugmentedAssign("-", Position.DUMMY)
val prefixTarget = PtAssignTarget(Position.DUMMY).also {
it.add(PtIdentifier("main.start.xx", DataType.WORD, Position.DUMMY))
}
prefixAssign.add(prefixTarget)
prefixAssign.add(PtIdentifier("main.start.xx", DataType.WORD, Position.DUMMY))
sub.add(prefixAssign)
val numberAssign = PtAugmentedAssign("-=", Position.DUMMY)
val numberAssignTarget = PtAssignTarget(Position.DUMMY).also {
it.add(PtIdentifier("main.start.xx", DataType.WORD, Position.DUMMY))
}
numberAssign.add(numberAssignTarget)
numberAssign.add(PtNumber(DataType.WORD, 42.0, Position.DUMMY))
sub.add(numberAssign)
val cxregAssign = PtAugmentedAssign("+=", Position.DUMMY)
val cxregAssignTarget = PtAssignTarget(Position.DUMMY).also {
it.add(PtIdentifier("main.start.xx", DataType.WORD, Position.DUMMY))
}
cxregAssign.add(cxregAssignTarget)
cxregAssign.add(PtIdentifier("cx16.r0", DataType.UWORD, Position.DUMMY))
sub.add(cxregAssign)
block.add(sub)
program.add(block)
// define the "cx16.r0" virtual register
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val cx16block = PtBlock("cx16", false, SourceCode.Generated("test"), PtBlock.Options(), Position.DUMMY)
cx16block.add(PtMemMapped("r0", DataType.UWORD, 100u, null, Position.DUMMY))
program.add(cx16block)
val options = getTestOptions()
val st = SymbolTableMaker(program, options).make()
val errors = ErrorReporterForTests()
val result = codegen.generate(program, st, options, errors)!!
result.name shouldBe "test"
Files.deleteIfExists(Path("${result.name}.asm"))
}
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test("64tass assembler available? - if this fails you need to install 64tass version 1.58 or newer in the path") {
val command = mutableListOf("64tass", "--version")
shouldNotThrowAny {
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val proc = ProcessBuilder(command).start()
val output = String(proc.inputStream.readBytes())
val result = proc.waitFor()
result.shouldBe(0)
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val (_, version) = output.split('V')
val (major, minor, _) = version.split('.')
val majorNum = major.toInt()
val minorNum = minor.toInt()
withClue("64tass version should be 1.58 or newer") {
majorNum shouldBeGreaterThanOrEqual 1
if (majorNum == 1)
minorNum shouldBeGreaterThanOrEqual 58
}
}
}
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})