mirror of
https://github.com/irmen/prog8.git
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460 lines
12 KiB
Kotlin
460 lines
12 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.ForLoop
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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 prog8.code.target.VMTarget
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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("string comparisons") {
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val src="""
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main {
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sub start() {
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str name = "name"
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uword nameptr = &name
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cx16.r0L= name=="foo"
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cx16.r1L= name!="foo"
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cx16.r2L= name<"foo"
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cx16.r3L= name>"foo"
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cx16.r0L= nameptr=="foo"
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cx16.r1L= nameptr!="foo"
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cx16.r2L= nameptr<"foo"
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cx16.r3L= nameptr>"foo"
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void compare(name, "foo")
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void compare(name, "name")
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void compare(nameptr, "foo")
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void compare(nameptr, "name")
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}
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sub compare(str s1, str s2) -> ubyte {
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if s1==s2
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return 42
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return 0
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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 16
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val result2 = compileText(VMTarget(), optimize=false, src, writeAssembly=true)!!
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val stmts2 = result2.compilerAst.entrypoint.statements
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stmts2.size shouldBe 16
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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 not 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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test("various curly brace styles") {
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val src="""
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main
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{
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sub start()
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{
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ubyte variable=55
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when variable
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{
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33 -> cx16.r0++
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else -> cx16.r1++
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}
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if variable {
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cx16.r0++
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} else {
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cx16.r1++
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}
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if variable { cx16.r0++ }
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else { cx16.r1++ }
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if variable
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{
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cx16.r0++
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}
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else
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{
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cx16.r1++
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}
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other.othersub()
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}
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}
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other {
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sub othersub() {
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cx16.r0++
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("returning array as uword") {
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val src = """
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main {
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sub start() {
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cx16.r0 = getarray()
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}
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sub getarray() -> uword {
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return [11,22,33]
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("when on booleans") {
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val src = """
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main
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{
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sub start()
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{
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bool choiceVariable=true
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when choiceVariable {
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false -> cx16.r0++
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true -> cx16.r1++
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}
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("char as str param is error") {
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val src = """
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main {
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sub start() {
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print('@')
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}
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sub print(str message) {
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(VMTarget(), optimize=false, src, writeAssembly=false, errors = errors) shouldBe null
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errors.errors.single() shouldContain "cannot use byte value"
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}
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test("const eval of address-of a memory mapped variable") {
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val src = """
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main {
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sub start() {
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&ubyte mappedvar = 1000
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cx16.r0 = &mappedvar
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&ubyte[8] array = &mappedvar
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cx16.r0 = &array
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("sizeof number const evaluation in vardecl") {
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val src="""
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main {
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sub start() {
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uword @shared size1 = sizeof(22222)
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uword @shared size2 = sizeof(2.2)
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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test("multi-var decls in scope with initializer") {
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val src="""
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main {
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sub start() {
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ubyte w
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for w in 0 to 20 {
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ubyte @zp x,y,z=13
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ubyte q,r,s
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x++
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y++
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z++
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}
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}
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}"""
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val result = compileText(VMTarget(), optimize = false, src, writeAssembly = false)!!
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val st = result.compilerAst.entrypoint.statements
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/*
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sub start () {
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ubyte s
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s = 0
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ubyte r
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r = 0
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ubyte q
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q = 0
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ubyte @zp z
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ubyte @zp y
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ubyte @zp x
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ubyte w
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for w in 0 to 20 step 1 {
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z = 13
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y = 13
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x = 13
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x++
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y++
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z++
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}
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}
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*/
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val vars = st.filterIsInstance<VarDecl>()
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vars.size shouldBe 7
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vars.all { it.names.size<=1 } shouldBe true
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vars.map { it.name }.toSet() shouldBe setOf("s","r","q","z","y","x","w")
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val forloop = st.single { it is ForLoop } as ForLoop
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forloop.body.statements[0] shouldBe instanceOf<Assignment>()
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forloop.body.statements[1] shouldBe instanceOf<Assignment>()
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forloop.body.statements[2] shouldBe instanceOf<Assignment>()
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}
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test("'not in' operator parsing") {
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val src="""
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main {
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sub start() {
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str test = "test"
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ubyte insync
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if not insync
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insync++
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if insync not in test
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insync++
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}
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}"""
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compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
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}
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})
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