mirror of
https://github.com/irmen/prog8.git
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262 lines
8.0 KiB
Kotlin
262 lines
8.0 KiB
Kotlin
package prog8tests.ast
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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.IFunctionCall
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import prog8.ast.expressions.*
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import prog8.ast.statements.Assignment
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import prog8.ast.statements.InlineAssembly
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import prog8.ast.statements.VarDecl
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import prog8.code.core.DataType
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import prog8.code.core.Position
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import prog8.code.target.C64Target
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import prog8tests.helpers.ErrorReporterForTests
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import prog8tests.helpers.compileText
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class TestVariousCompilerAst: FunSpec({
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test("symbol names in inline assembly blocks") {
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val names1 = InlineAssembly("""
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""", false, Position.DUMMY).names
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names1 shouldBe emptySet()
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val names2 = InlineAssembly("""
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label: lda #<value
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sta ${'$'}ea
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sta 123
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label2:
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sta othervalue ; but not these in the comments
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; also not these
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;; ...or these
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// valid words 123456
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""", false, Position.DUMMY).names
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names2 shouldBe setOf("label", "lda", "sta", "ea", "value", "label2", "othervalue", "valid", "words")
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}
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test("array literals") {
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val text="""
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%zeropage basicsafe
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main {
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sub start() {
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ubyte b1
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ubyte b2
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ubyte[] array1 = [1,2,3]
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ubyte[] array2 = [9,8,7]
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uword[] @shared addresses1 = [&b1, &b2]
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uword[] @shared addresses2 = [array1, array2]
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uword[] @shared addresses3 = [&array1, &array2]
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uword[] @shared addresses4 = ["string1", "string2"]
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uword[] @shared addresses5 = [1111, 2222]
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("invalid && operator") {
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val text="""
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main {
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sub start() {
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uword b1
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uword b2
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uword b3 = b1 && b2 ; invalid syntax: '&&' is not an operator, 'and' should be used instead
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = false) shouldBe null
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}
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test("simple string comparison still works") {
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val src="""
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main {
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sub start() {
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ubyte @shared value
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str thing = "????"
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if thing=="name" {
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value++
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}
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if thing!="name" {
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value++
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}
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}
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}"""
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val result = compileText(C64Target(), optimize=false, src, writeAssembly=true)!!
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val stmts = result.compilerAst.entrypoint.statements
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stmts.size shouldBe 6
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}
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test("string concatenation and repeats") {
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val src="""
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main {
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sub start() {
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str @shared name = "part1" + "part2"
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str @shared rept = "rep"*4
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const ubyte times = 3
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name = "xx1" + "xx2"
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rept = "xyz" * (times+1)
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}
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}"""
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val result = compileText(C64Target(), optimize=false, src, writeAssembly=true)!!
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val stmts = result.compilerAst.entrypoint.statements
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stmts.size shouldBe 6
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val name1 = stmts[0] as VarDecl
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val rept1 = stmts[1] as VarDecl
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(name1.value as StringLiteral).value shouldBe "part1part2"
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(rept1.value as StringLiteral).value shouldBe "reprepreprep"
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val name2strcopy = stmts[3] as IFunctionCall
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val rept2strcopy = stmts[4] as IFunctionCall
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val name2 = name2strcopy.args.first() as IdentifierReference
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val rept2 = rept2strcopy.args.first() as IdentifierReference
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(name2.targetVarDecl(result.compilerAst)!!.value as StringLiteral).value shouldBe "xx1xx2"
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(rept2.targetVarDecl(result.compilerAst)!!.value as StringLiteral).value shouldBe "xyzxyzxyzxyz"
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}
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test("pointervariable indexing allowed with >255") {
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val src="""
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main {
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sub start() {
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uword pointer = ${'$'}2000
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@(pointer+${'$'}1000) = 123
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ubyte @shared ub = @(pointer+${'$'}1000)
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pointer[${'$'}1000] = 99
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ub = pointer[${'$'}1000]
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uword index = ${'$'}1000
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pointer[index] = 55
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ub = pointer[index]
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}
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}"""
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compileText(C64Target(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("bitshift left of const byte converted to word") {
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val src="""
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main {
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sub start() {
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ubyte shift = 10
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uword value = 1<<shift
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value++
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value = 1<<shift
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value++
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}
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}"""
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val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
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val stmts = result.compilerAst.entrypoint.statements
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stmts.size shouldBe 7
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val assign1expr = (stmts[3] as Assignment).value as BinaryExpression
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val assign2expr = (stmts[5] as Assignment).value as BinaryExpression
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assign1expr.operator shouldBe "<<"
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val leftval1 = assign1expr.left.constValue(result.compilerAst)!!
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leftval1.type shouldBe DataType.UWORD
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leftval1.number shouldBe 1.0
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val leftval2 = assign2expr.left.constValue(result.compilerAst)!!
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leftval2.type shouldBe DataType.UWORD
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leftval2.number shouldBe 1.0
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}
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test("hoisting vars with complex initializer expressions to outer scope") {
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val src="""
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main {
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sub pget(uword @zp x, uword y) -> ubyte {
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return lsb(x+y)
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}
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sub start() {
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uword[128] YY
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ubyte[] ARRAY = [1, 5, 2]
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repeat {
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ubyte pixel_side1 = pget(2, YY[2]+1) in ARRAY
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ubyte pixel_side2 = pget(2, 2) in ARRAY
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ubyte[] array2 = [1,2,3]
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}
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}
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}"""
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val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
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val stmts = result.compilerAst.entrypoint.statements
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stmts.size shouldBe 9
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}
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test("alternative notation for negative containment check") {
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val src="""
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main {
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sub start() {
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ubyte[] array=[1,2,3]
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cx16.r0L = not (3 in array)
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cx16.r1L = 3 not in array
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}
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}
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"""
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val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
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val stmts = result.compilerAst.entrypoint.statements
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stmts.size shouldBe 3
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val value1 = (stmts[1] as Assignment).value as BinaryExpression
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val value2 = (stmts[2] as Assignment).value as BinaryExpression
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value1.operator shouldBe "=="
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value1.left shouldBe instanceOf<ContainmentCheck>()
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(value1.right as NumericLiteral).number shouldBe 0.0
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value2.operator shouldBe "=="
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value2.left shouldBe instanceOf<ContainmentCheck>()
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(value2.right as NumericLiteral).number shouldBe 0.0
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}
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test("const pointer variable indexing works") {
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val src="""
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main {
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sub start() {
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const uword pointer=$1000
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cx16.r0L = pointer[2]
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pointer[2] = cx16.r0L
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}
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}
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"""
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compileText(C64Target(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("unroll good") {
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val src="""
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main {
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sub start() {
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unroll 200 {
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cx16.r0++
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poke(2000,2)
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}
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}
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}
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"""
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val errors = ErrorReporterForTests(keepMessagesAfterReporting = true)
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compileText(C64Target(), optimize=false, src, writeAssembly=false, errors=errors) shouldNotBe null
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errors.warnings.size shouldBe 1
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errors.warnings[0] shouldContain "large number of unrolls"
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}
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test("unroll bad") {
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val src="""
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main {
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sub start() {
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repeat {
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unroll 80 {
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cx16.r0++
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when cx16.r0 {
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1 -> cx16.r0++
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else -> cx16.r0++
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}
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break
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}
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}
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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(), optimize=false, src, writeAssembly=false, errors = errors) shouldBe null
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "invalid statement in unroll loop"
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errors.errors[1] shouldContain "invalid statement in unroll loop"
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}
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})
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