package prog8tests import io.kotest.core.spec.style.FunSpec import io.kotest.matchers.ints.shouldBeGreaterThan import io.kotest.matchers.shouldBe import io.kotest.matchers.shouldNotBe import io.kotest.matchers.string.shouldContain import io.kotest.matchers.types.instanceOf import prog8.ast.IFunctionCall import prog8.ast.expressions.* import prog8.ast.statements.Assignment import prog8.ast.statements.IfElse import prog8.ast.statements.VarDecl import prog8.code.core.DataType import prog8.code.core.Position import prog8.code.target.C64Target import prog8.code.target.VMTarget import prog8tests.helpers.ErrorReporterForTests import prog8tests.helpers.compileText class TestTypecasts: FunSpec({ test("integer args for builtin funcs") { val text=""" %import floats main { sub start() { float fl floats.print_f(abs(fl)) } }""" val errors = ErrorReporterForTests() val result = compileText(C64Target(), false, text, writeAssembly = false, errors=errors) result shouldBe null errors.errors.size shouldBe 1 errors.errors[0] shouldContain "type mismatch, was: FLOAT expected one of: [UBYTE, BYTE, UWORD, WORD]" } test("not casting bool operands to logical operators") { val text=""" %import textio %zeropage basicsafe main { sub start() { bool bb2=true bool @shared bb = bb2 and true } }""" val result = compileText(C64Target(), false, text, writeAssembly = false)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 4 val expr = (stmts[3] as Assignment).value as BinaryExpression expr.operator shouldBe "and" expr.right shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) (expr.left as IdentifierReference).nameInSource shouldBe listOf("bb2") // no cast val result2 = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts2 = result2.compilerAst.entrypoint.statements stmts2.size shouldBe 6 val expr2 = (stmts2[4] as Assignment).value as BinaryExpression expr2.operator shouldBe "&" expr2.right shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) (expr2.left as IdentifierReference).nameInSource shouldBe listOf("bb") } test("bool expressions with functioncalls") { val text=""" main { sub ftrue(ubyte arg) -> ubyte { arg++ return 64 } sub start() { bool ub1 = true bool ub2 = true bool ub3 = true bool ub4 = 0 bool @shared bvalue bvalue = ub1 xor ub2 xor ub3 xor true bvalue = ub1 xor ub2 xor ub3 xor ftrue(99) bvalue = ub1 and ub2 and ftrue(99) } }""" val result = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements /* ubyte ub1 ub1 = 1 ubyte ub2 ub2 = 1 ubyte ub3 ub3 = 1 ubyte @shared bvalue bvalue = ub1 bvalue ^= ub2 bvalue ^= ub3 bvalue ^= 1 bvalue = (((ub1^ub2)^ub3)^(ftrue(99)!=0)) bvalue = ((ub1&ub2)&(ftrue(99)!=0)) return */ stmts.size shouldBe 14 val assignValue1 = (stmts[7] as Assignment).value as IdentifierReference val assignValue2 = (stmts[11] as Assignment).value as BinaryExpression val assignValue3 = (stmts[12] as Assignment).value as BinaryExpression assignValue1.nameInSource shouldBe listOf("ub1") assignValue2.operator shouldBe "^" assignValue3.operator shouldBe "&" val right2 = assignValue2.right as BinaryExpression val right3 = assignValue3.right as BinaryExpression right2.operator shouldBe "!=" right3.operator shouldBe "!=" right2.left shouldBe instanceOf() right2.right shouldBe NumericLiteral(DataType.UBYTE, 0.0, Position.DUMMY) right3.left shouldBe instanceOf() right3.right shouldBe NumericLiteral(DataType.UBYTE, 0.0, Position.DUMMY) } test("simple logical with bool no typecast") { val text=""" main { bool bb sub start() { bb = bb and 123 } }""" val result = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 2 val assignValue = (stmts[0] as Assignment).value as BinaryExpression assignValue.left shouldBe instanceOf() assignValue.operator shouldBe "&" (assignValue.right as NumericLiteral).number shouldBe 1.0 } test("simple logical with byte instead of bool ok with typecasting") { val text=""" main { ubyte ubb sub start() { ubb = ubb and 123 } }""" val result = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 2 val assignValue = (stmts[0] as Assignment).value as BinaryExpression assignValue.left shouldBe instanceOf() // as a result of the cast to boolean assignValue.operator shouldBe "&" (assignValue.right as NumericLiteral).number shouldBe 1.0 } test("logical with byte instead of bool") { val text=""" %import textio main { sub ftrue(ubyte arg) -> ubyte { arg++ return 128 } sub ffalse(ubyte arg) -> ubyte { arg++ return 0 } sub start() { ubyte ub1 = 2 ubyte ub2 = 4 ubyte ub3 = 8 ubyte ub4 = 0 ubyte bvalue txt.print("const not 0: ") txt.print_ub(not 129) txt.nl() txt.print("const not 1: ") txt.print_ub(not 0) txt.nl() txt.print("const inv 126: ") txt.print_ub(~ 129) txt.nl() txt.print("const inv 255: ") txt.print_ub(~ 0) txt.nl() bvalue = 129 txt.print("bitwise inv 126: ") bvalue = ~ bvalue txt.print_ub(bvalue) txt.nl() bvalue = 0 txt.print("bitwise inv 255: ") bvalue = ~ bvalue txt.print_ub(bvalue) txt.nl() txt.print("bitwise or 14: ") txt.print_ub(ub1 | ub2 | ub3 | ub4) txt.nl() txt.print("bitwise or 142: ") txt.print_ub(ub1 | ub2 | ub3 | ub4 | 128) txt.nl() txt.print("bitwise and 0: ") txt.print_ub(ub1 & ub2 & ub3 & ub4) txt.nl() txt.print("bitwise and 8: ") txt.print_ub(ub3 & ub3 & 127) txt.nl() txt.print("bitwise xor 14: ") txt.print_ub(ub1 ^ ub2 ^ ub3 ^ ub4) txt.nl() txt.print("bitwise xor 6: ") txt.print_ub(ub1 ^ ub2 ^ ub3 ^ 8) txt.nl() txt.print("bitwise not 247: ") txt.print_ub(~ub3) txt.nl() txt.print("bitwise not 255: ") txt.print_ub(~ub4) txt.nl() txt.print("not 0: ") bvalue = 3 * (ub4 | not (ub3 | ub3 | ub3)) txt.print_ub(bvalue) if 3*(ub4 | not (ub1 | ub1 | ub1)) txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("not 0: ") bvalue = not ub3 txt.print_ub(bvalue) if not ub1 txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("not 1: ") bvalue = not ub4 txt.print_ub(bvalue) if not ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() bvalue = bvalue and 128 txt.print("bvl 1: ") txt.print_ub(bvalue) if bvalue and 128 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 txt.print_ub(bvalue) if ub1 and ub2 and ub3 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 and 64 txt.print_ub(bvalue) if ub1 and ub2 and ub3 and 64 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 and ftrue(99) txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ftrue(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 0: ") bvalue = ub1 and ub2 and ub3 and ub4 txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ub4 txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("and 0: ") bvalue = ub1 and ub2 and ub3 and ffalse(99) txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ffalse(99) txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print(" or 1: ") bvalue = ub1 or ub2 or ub3 or ub4 txt.print_ub(bvalue) if ub1 or ub2 or ub3 or ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print(" or 1: ") bvalue = ub4 or ub4 or ub1 txt.print_ub(bvalue) if ub4 or ub4 or ub1 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print(" or 1: ") bvalue = ub1 or ub2 or ub3 or ftrue(99) txt.print_ub(bvalue) if ub1 or ub2 or ub3 or ftrue(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 1: ") bvalue = ub1 xor ub2 xor ub3 xor ub4 txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 1: ") bvalue = ub1 xor ub2 xor ub3 xor ffalse(99) txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ffalse(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 0: ") bvalue = ub1 xor ub2 xor ub3 xor ub4 xor true txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ub4 xor true txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("xor 0: ") bvalue = ub1 xor ub2 xor ub3 xor ftrue(99) txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ftrue(99) txt.print(" / fail") else txt.print(" / ok") } } """ val result = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBeGreaterThan 10 } test("logical with bools") { val text=""" %import textio main { sub ftrue(ubyte arg) -> ubyte { arg++ return 128 } sub ffalse(ubyte arg) -> ubyte { arg++ return 0 } sub start() { bool ub1 = 2 bool ub2 = 4 bool ub3 = 8 bool ub4 = 0 bool bvalue txt.print("const not 0: ") txt.print_ub(not 129) txt.nl() txt.print("const not 1: ") txt.print_ub(not 0) txt.nl() txt.print("const inv 126: ") txt.print_ub(~ 129) txt.nl() txt.print("const inv 255: ") txt.print_ub(~ 0) txt.nl() ; bvalue = 129 ; txt.print("bitwise inv 126: ") ; bvalue = ~ bvalue ; txt.print_ub(bvalue) ; txt.nl() ; bvalue = 0 ; txt.print("bitwise inv 255: ") ; bvalue = ~ bvalue ; txt.print_ub(bvalue) ; txt.nl() txt.print("bitwise or 14: ") txt.print_ub(ub1 | ub2 | ub3 | ub4) txt.nl() txt.print("bitwise or 142: ") txt.print_ub(ub1 | ub2 | ub3 | ub4 | 128) txt.nl() txt.print("bitwise and 0: ") txt.print_ub(ub1 & ub2 & ub3 & ub4) txt.nl() txt.print("bitwise and 8: ") txt.print_ub(ub3 & ub3 & 127) txt.nl() txt.print("bitwise xor 14: ") txt.print_ub(ub1 ^ ub2 ^ ub3 ^ ub4) txt.nl() txt.print("bitwise xor 6: ") txt.print_ub(ub1 ^ ub2 ^ ub3 ^ 8) txt.nl() ;txt.print("bitwise not 247: ") ;txt.print_ub(~ub3) ;txt.nl() ;txt.print("bitwise not 255: ") ;txt.print_ub(~ub4) ;txt.nl() txt.print("not 0: ") bvalue = 3 * (ub4 | not (ub3 | ub3 | ub3)) txt.print_ub(bvalue) if 3*(ub4 | not (ub1 | ub1 | ub1)) txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("not 0: ") bvalue = not ub3 txt.print_ub(bvalue) if not ub1 txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("not 1: ") bvalue = not ub4 txt.print_ub(bvalue) if not ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() bvalue = bvalue and 128 txt.print("bvl 1: ") txt.print_ub(bvalue) if bvalue and 128 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 txt.print_ub(bvalue) if ub1 and ub2 and ub3 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 and 64 txt.print_ub(bvalue) if ub1 and ub2 and ub3 and 64 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 1: ") bvalue = ub1 and ub2 and ub3 and ftrue(99) txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ftrue(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("and 0: ") bvalue = ub1 and ub2 and ub3 and ub4 txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ub4 txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("and 0: ") bvalue = ub1 and ub2 and ub3 and ffalse(99) txt.print_ub(bvalue) if ub1 and ub2 and ub3 and ffalse(99) txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print(" or 1: ") bvalue = ub1 or ub2 or ub3 or ub4 txt.print_ub(bvalue) if ub1 or ub2 or ub3 or ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print(" or 1: ") bvalue = ub4 or ub4 or ub1 txt.print_ub(bvalue) if ub4 or ub4 or ub1 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print(" or 1: ") bvalue = ub1 or ub2 or ub3 or ftrue(99) txt.print_ub(bvalue) if ub1 or ub2 or ub3 or ftrue(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 1: ") bvalue = ub1 xor ub2 xor ub3 xor ub4 txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ub4 txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 1: ") bvalue = ub1 xor ub2 xor ub3 xor ffalse(99) txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ffalse(99) txt.print(" / ok") else txt.print(" / fail") txt.nl() txt.print("xor 0: ") bvalue = ub1 xor ub2 xor ub3 xor ub4 xor true txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ub4 xor true txt.print(" / fail") else txt.print(" / ok") txt.nl() txt.print("xor 0: ") bvalue = ub1 xor ub2 xor ub3 xor ftrue(99) txt.print_ub(bvalue) if ub1 xor ub2 xor ub3 xor ftrue(99) txt.print(" / fail") else txt.print(" / ok") } } """ val result = compileText(C64Target(), true, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBeGreaterThan 10 } test("bool arrays") { val text=""" main { sub start() { bool[] barray = [true, false, 1, 0, 222] bool bb ubyte xx for bb in barray { if bb xx++ } } }""" val result = compileText(C64Target(), false, text, writeAssembly = false)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 6 val arraydecl = stmts[0] as VarDecl arraydecl.datatype shouldBe DataType.ARRAY_BOOL val values = (arraydecl.value as ArrayLiteral).value values.size shouldBe 5 values[0] shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) values[1] shouldBe NumericLiteral(DataType.UBYTE, 0.0, Position.DUMMY) values[2] shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) values[3] shouldBe NumericLiteral(DataType.UBYTE, 0.0, Position.DUMMY) values[4] shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) } test("correct handling of bool parameters") { val text=""" main { sub thing(bool b1, bool b2) -> bool { return (b1 and b2) or b1 } sub start() { bool boolvalue1 = true bool boolvalue2 = false uword xx boolvalue1 = thing(true, false) boolvalue2 = thing(xx, xx) if boolvalue1 and boolvalue2 boolvalue1=false } }""" val result = compileText(C64Target(), false, text, writeAssembly = false)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 9 val fcall1 = ((stmts[6] as Assignment).value as IFunctionCall) fcall1.args[0] shouldBe NumericLiteral(DataType.UBYTE, 1.0, Position.DUMMY) fcall1.args[1] shouldBe NumericLiteral(DataType.UBYTE, 0.0, Position.DUMMY) val fcall2 = ((stmts[7] as Assignment).value as IFunctionCall) (fcall2.args[0] as TypecastExpression).type shouldBe DataType.BOOL (fcall2.args[1] as TypecastExpression).type shouldBe DataType.BOOL val ifCond = (stmts[8] as IfElse).condition as BinaryExpression ifCond.operator shouldBe "and" // no asm writing so logical expressions haven't been replaced with bitwise equivalents yet (ifCond.left as IdentifierReference).nameInSource shouldBe listOf("boolvalue1") (ifCond.right as IdentifierReference).nameInSource shouldBe listOf("boolvalue2") } test("correct evaluation of words in boolean expressions") { val text=""" main { sub start() { uword camg ubyte @shared interlaced interlaced = (camg & ${'$'}0004) != 0 interlaced++ interlaced = (${'$'}0004 & camg) != 0 interlaced++ uword @shared ww ww = (camg & ${'$'}0004) ww++ ww = (${'$'}0004 & camg) ubyte @shared wordNr2 = (interlaced >= ${'$'}33) + (interlaced >= ${'$'}66) + (interlaced >= ${'$'}99) + (interlaced >= ${'$'}CC) } }""" val result = compileText(C64Target(), false, text, writeAssembly = true)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBeGreaterThan 10 } test("word to byte casts") { val text=""" %import textio main { sub func(ubyte arg) -> word { return arg-99 } sub start() { txt.print_ub(func(0) as ubyte) txt.print_uw(func(0) as ubyte) txt.print_w(func(0) as ubyte) } }""" val result = compileText(C64Target(), false, text, writeAssembly = false)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 3 } test("add missing & to function arguments") { val text=""" main { sub handler(uword fptr) { } sub start() { uword variable pushw(variable) pushw(handler) pushw(&handler) handler(variable) handler(handler) handler(&handler) } }""" val result = compileText(C64Target(), false, text, writeAssembly = false)!! val stmts = result.compilerAst.entrypoint.statements stmts.size shouldBe 8 val arg1 = (stmts[2] as IFunctionCall).args.single() val arg2 = (stmts[3] as IFunctionCall).args.single() val arg3 = (stmts[4] as IFunctionCall).args.single() val arg4 = (stmts[5] as IFunctionCall).args.single() val arg5 = (stmts[6] as IFunctionCall).args.single() val arg6 = (stmts[7] as IFunctionCall).args.single() arg1 shouldBe instanceOf() arg2 shouldBe instanceOf() arg3 shouldBe instanceOf() arg4 shouldBe instanceOf() arg5 shouldBe instanceOf() arg6 shouldBe instanceOf() } test("correct typecasts") { val text = """ %import floats main { sub start() { float @shared fl = 3.456 uword @shared uw = 5555 byte @shared bb = -44 bb = uw as byte uw = bb as uword fl = uw as float fl = bb as float bb = fl as byte uw = fl as uword uw = 8888 + (bb as ubyte) } } """ val result = compileText(C64Target(), false, text, writeAssembly = true)!! result.compilerAst.entrypoint.statements.size shouldBe 15 } test("invalid typecasts of numbers") { val text = """ %import floats main { sub start() { ubyte @shared bb bb = 5555 as ubyte routine(5555 as ubyte) } sub routine(ubyte bb) { bb++ } } """ val errors = ErrorReporterForTests() compileText(C64Target(), false, text, writeAssembly = true, errors=errors) shouldBe null errors.errors.size shouldBe 2 errors.errors[0] shouldContain "can't cast" errors.errors[1] shouldContain "can't cast" } test("refuse to round float literal 1") { val text = """ %option enable_floats main { sub start() { float @shared fl = 3.456 as uword fl = 1.234 as uword } }""" val errors = ErrorReporterForTests() compileText(C64Target(), false, text, errors=errors) shouldBe null errors.errors.size shouldBe 2 errors.errors[0] shouldContain "can't cast" errors.errors[1] shouldContain "can't cast" } test("refuse to round float literal 2") { val text = """ %option enable_floats main { sub start() { float @shared fl = 3.456 fl++ fl = fl as uword } }""" val errors = ErrorReporterForTests() compileText(C64Target(), false, text, errors=errors) shouldBe null errors.errors.size shouldBe 1 errors.errors[0] shouldContain "in-place makes no sense" } test("refuse to round float literal 3") { val text = """ %option enable_floats main { sub start() { uword @shared ww = 3.456 as uword ww++ ww = 3.456 as uword } }""" val errors = ErrorReporterForTests() compileText(C64Target(), false, text, errors=errors) shouldBe null errors.errors.size shouldBe 2 errors.errors[0] shouldContain "can't cast" errors.errors[1] shouldContain "can't cast" } test("correct implicit casts of signed number comparison and logical expressions") { val text = """ %import floats main { sub start() { byte bb = -10 word ww = -1000 if bb>0 { bb++ } if bb < 0 { bb ++ } if bb & 1 { bb++ } if bb & 128 { bb++ } if bb & 255 { bb++ } if ww>0 { ww++ } if ww < 0 { ww ++ } if ww & 1 { ww++ } if ww & 32768 { ww++ } if ww & 65535 { ww++ } } } """ val result = compileText(C64Target(), false, text, writeAssembly = true)!! val statements = result.compilerAst.entrypoint.statements statements.size shouldBeGreaterThan 10 } test("cast to unsigned in conditional") { val text = """ main { sub start() { byte bb word ww ubyte iteration_in_progress uword num_bytes if not iteration_in_progress or not num_bytes { num_bytes++ } if bb as ubyte { bb++ } if ww as uword { ww++ } } }""" val result = compileText(C64Target(), false, text, writeAssembly = true)!! val statements = result.compilerAst.entrypoint.statements statements.size shouldBeGreaterThan 10 } test("no infinite typecast loop in assignment asmgen") { val text = """ main { sub start() { word @shared qq = calculate(33) } sub calculate(ubyte row) -> word { return (8-(row as byte)) } } """ compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null } test("(u)byte extend to word parameters") { val text = """ main { sub start() { byte ub1 = -50 byte ub2 = -51 byte ub3 = -52 byte ub4 = 100 word @shared ww = func(ub1, ub2, ub3, ub4) ww = func(ub4, ub2, ub3, ub1) ww=afunc(ub1, ub2, ub3, ub4) ww=afunc(ub4, ub2, ub3, ub1) } sub func(word x1, word y1, word x2, word y2) -> word { return x1 } asmsub afunc(word x1 @R0, word y1 @R1, word x2 @R2, word y2 @R3) -> word @AY { %asm {{ lda cx16.r0 ldy cx16.r0+1 rts }} } }""" compileText(C64Target(), true, text, writeAssembly = true) shouldNotBe null } test("lsb msb used as args with word types") { val text = """ main { sub start() { uword xx=${'$'}ea31 uword @shared ww = plot(lsb(xx), msb(xx)) } inline asmsub plot(uword plotx @R0, uword ploty @R1) -> uword @AY{ %asm {{ lda cx16.r0 ldy cx16.r1 rts }} } }""" compileText(C64Target(), true, text, writeAssembly = true) shouldNotBe null } test("memory reads byte into word variable") { val text = """ main { sub start() { uword @shared ww uword address = $1000 ww = @(address+100) ww = @(address+1000) cx16.r0 = @(address+100) cx16.r0 = @(address+1000) } }""" compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null } test("various floating point casts don't crash the compiler") { val text=""" %import floats main { sub score() -> ubyte { cx16.r15++ return 5 } sub start() { float @shared total = 0 ubyte bb = 5 cx16.r0 = 5 total += cx16.r0 as float total += score() as float uword ww = 5 total += ww as float total += bb as float float result = score() as float total += result } }""" compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null compileText(C64Target(), true, text, writeAssembly = true) shouldNotBe null compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null compileText(VMTarget(), true, text, writeAssembly = true) shouldNotBe null } test("byte when choices silently converted to word for convenience") { var text=""" main { sub start() { uword z = 3 when z { 1-> z++ 2-> z++ else -> z++ } } }""" compileText(C64Target(), false, text, writeAssembly = false) shouldNotBe null } })