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few more unittests for IR
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@ -3,7 +3,6 @@ TODO
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For next release
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^^^^^^^^^^^^^^^^
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- IR/VM: improve unit tests
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- write some documentation about the compiler architecture and where to plug a code generator onto.
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- vm: implement remaining sin/cos functions in virtual/math.p8 and merge tables
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113
intermediate/test/TestIRFileInOut.kt
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113
intermediate/test/TestIRFileInOut.kt
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@ -0,0 +1,113 @@
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import io.kotest.core.spec.style.FunSpec
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import io.kotest.matchers.ints.shouldBeGreaterThan
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import io.kotest.matchers.shouldBe
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import io.kotest.matchers.types.instanceOf
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import prog8.code.StStaticVariable
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import prog8.code.SymbolTable
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import prog8.code.core.CbmPrgLauncherType
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import prog8.code.core.CompilationOptions
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import prog8.code.core.OutputType
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import prog8.code.core.ZeropageType
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import prog8.code.target.Cx16Target
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import prog8.intermediate.IRFileReader
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import prog8.intermediate.IRFileWriter
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import prog8.intermediate.IRProgram
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import java.nio.file.Path
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import kotlin.io.path.deleteExisting
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import kotlin.io.path.name
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import kotlin.io.path.readLines
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import kotlin.io.path.writeText
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class TestIRFileInOut: FunSpec({
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test("test IR writer") {
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val st = SymbolTable()
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val target = Cx16Target()
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val tempdir = Path.of(System.getProperty("java.io.tmpdir"))
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val options = CompilationOptions(
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OutputType.RAW,
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CbmPrgLauncherType.NONE,
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ZeropageType.DONTUSE,
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emptyList(),
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floats = false,
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noSysInit = true,
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compTarget = target,
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loadAddress = target.machine.PROGRAM_LOAD_ADDRESS,
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outputDir = tempdir
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)
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val program = IRProgram("unittest-irwriter", st, options, target)
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val writer = IRFileWriter(program)
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writer.writeFile()
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val generatedFile = tempdir.resolve("unittest-irwriter.p8ir")
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val lines = generatedFile.readLines()
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lines.first() shouldBe "<PROGRAM NAME=unittest-irwriter>"
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lines.last() shouldBe "</PROGRAM>"
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generatedFile.deleteExisting()
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lines.size shouldBeGreaterThan 20
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}
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test("test IR reader") {
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val source="""<PROGRAM NAME=test-ir-reader>
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<OPTIONS>
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compTarget=virtual
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output=PRG
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launcher=BASIC
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zeropage=KERNALSAFE
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loadAddress=0
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dontReinitGlobals=false
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evalStackBaseAddress=null
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</OPTIONS>
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<VARIABLES>
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uword sys.wait.jiffies=0 zp=DONTCARE
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</VARIABLES>
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<MEMORYMAPPEDVARIABLES>
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&uword cx16.r0=65282
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</MEMORYMAPPEDVARIABLES>
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<MEMORYSLABS>
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</MEMORYSLABS>
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<INITGLOBALS>
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<C>
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load.b r1,42
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</C>
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</INITGLOBALS>
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<BLOCK NAME=main ADDRESS=null ALIGN=NONE POS=[examples/test.p8: line 2 col 2-5]>
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<SUB NAME=main.start RETURNTYPE=null POS=[examples/test.p8: line 4 col 6-8]>
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<PARAMS>
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</PARAMS>
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<C>
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return
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</C>
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</SUB>
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</BLOCK>
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<BLOCK NAME=sys ADDRESS=null ALIGN=NONE POS=[library:/prog8lib/virtual/syslib.p8: line 3 col 2-4]>
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<SUB NAME=sys.wait RETURNTYPE=null POS=[library:/prog8lib/virtual/syslib.p8: line 15 col 6-8]>
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<PARAMS>
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uword sys.wait.jiffies
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</PARAMS>
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<INLINEASM POS=[library:/prog8lib/virtual/syslib.p8: line 17 col 10-13]>
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loadm.w r0,sys.wait.jiffies
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syscall 13
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</INLINEASM>
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<C>
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return
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</C>
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</SUB>
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</BLOCK>
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</PROGRAM>
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"""
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val tempfile = kotlin.io.path.createTempFile(suffix = ".p8ir")
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tempfile.writeText(source)
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val filepart = tempfile.name.dropLast(5)
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val reader = IRFileReader(tempfile.parent, filepart)
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val program = reader.readFile()
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tempfile.deleteExisting()
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program.name shouldBe "test-ir-reader"
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program.blocks.size shouldBe 2
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program.st.lookup("sys.wait.jiffies") shouldBe instanceOf<StStaticVariable>()
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}
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})
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@ -2,6 +2,7 @@ import io.kotest.assertions.throwables.shouldThrow
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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 org.junit.jupiter.api.fail
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import prog8.intermediate.*
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52
virtualmachine/test/TestVm.kt
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52
virtualmachine/test/TestVm.kt
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@ -0,0 +1,52 @@
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import io.kotest.core.spec.style.FunSpec
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import io.kotest.matchers.collections.shouldBeEmpty
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import io.kotest.matchers.shouldBe
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import prog8.intermediate.Instruction
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import prog8.intermediate.Opcode
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import prog8.intermediate.VmDataType
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import prog8.vm.Memory
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import prog8.vm.VirtualMachine
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import prog8.vm.VmRunner
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class TestVm: FunSpec( {
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test("vm execution: empty program") {
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val memory = Memory()
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val vm = VirtualMachine(memory, emptyList(), 0xff00)
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vm.callStack.shouldBeEmpty()
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vm.valueStack.shouldBeEmpty()
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vm.pc shouldBe 0
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vm.stepCount shouldBe 0
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vm.run(throttle = false)
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vm.callStack.shouldBeEmpty()
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vm.valueStack.shouldBeEmpty()
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vm.pc shouldBe 0
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vm.stepCount shouldBe 1
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}
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test("vm execution: modify memory") {
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val memory = Memory()
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val program = listOf(
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Instruction(Opcode.LOAD, VmDataType.WORD, reg1=1, value=12345),
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Instruction(Opcode.STOREM, VmDataType.WORD, reg1=1, value=1000),
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Instruction(Opcode.RETURN)
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)
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val vm = VirtualMachine(memory, program, 0xff00)
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memory.getUW(1000) shouldBe 0u
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vm.callStack.shouldBeEmpty()
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vm.valueStack.shouldBeEmpty()
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vm.pc shouldBe 0
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vm.stepCount shouldBe 0
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vm.run(throttle = false)
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memory.getUW(1000) shouldBe 12345u
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vm.callStack.shouldBeEmpty()
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vm.valueStack.shouldBeEmpty()
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vm.pc shouldBe 2
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vm.stepCount shouldBe 3
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}
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test("vmrunner") {
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val runner = VmRunner()
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runner.runProgram(";comment\n------PROGRAM------\n;comment\n", false)
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}
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})
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