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https://github.com/irmen/prog8.git
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408 lines
12 KiB
Kotlin
408 lines
12 KiB
Kotlin
package prog8tests.codegeneration
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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 prog8.code.ast.PtBuiltinFunctionCall
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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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import kotlin.io.path.readText
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class TestArrayThings: FunSpec({
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test("assign prefix var to array should compile fine and is not split into inplace array modification") {
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val text = """
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main {
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sub start() {
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byte[5] array
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byte bb
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array[1] = -bb
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("array in-place negation (integer types)") {
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val text = """
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main {
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byte[10] foo
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ubyte[10] foou
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word[10] foow
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uword[10] foowu
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sub start() {
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foo[1] = 42
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foo[1] = -foo[1]
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foow[1] = 4242
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foow[1] = -foow[1]
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("array in-place negation (float type) vm target") {
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val text = """
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%import floats
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main {
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float[10] flt
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sub start() {
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flt[1] = 42.42
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flt[1] = -flt[1]
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}
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}"""
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("array in-place negation (float type) 6502 target") {
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val text = """
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%import floats
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main {
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float[10] flt
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sub start() {
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flt[1] = 42.42
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flt[1] = -flt[1]
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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("array in-place invert") {
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val text = """
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main {
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ubyte[10] foo
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uword[10] foow
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sub start() {
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foo[1] = 42
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foo[1] = ~foo[1]
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foow[1] = 4242
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foow[1] = ~foow[1]
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("split only for word arrays") {
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val srcGood = """
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main {
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uword[10] @split sw
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word[10] @split sw2
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sub start() {
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}
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}"""
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compileText(C64Target(), false, srcGood, writeAssembly = false) shouldNotBe null
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val srcWrong1 = """
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main {
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ubyte[10] @split sb
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sub start() {
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(C64Target(), false, srcWrong1, writeAssembly = false, errors=errors) shouldBe null
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errors.errors.size shouldBe 1
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errors.errors[0] shouldContain "split can only be used on word arrays"
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val srcWrong2 = """
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%option enable_floats
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main {
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float[10] @split sf
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sub start() {
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}
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}"""
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errors.clear()
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compileText(C64Target(), false, srcWrong2, writeAssembly = false, errors=errors) shouldBe null
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errors.errors.size shouldBe 1
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errors.errors[0] shouldContain "split can only be used on word arrays"
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}
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test("split word arrays in asm as lsb/msb") {
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val text = """
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main {
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uword[10] @split @shared uw
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word[10] @split @shared sw
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uword[10] @shared normal
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sub start() {
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%asm {{
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lda p8v_normal
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lda p8v_uw_lsb
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lda p8v_uw_msb
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lda p8v_sw_lsb
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lda p8v_sw_msb
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}}
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("split array assignments") {
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val text = """
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main {
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sub start() {
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str name1 = "name1"
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str name2 = "name2"
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uword[] @split names = [name1, name2, "name3"]
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uword[] @split names2 = [name1, name2, "name3"]
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uword[] addresses = [0,0,0]
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names = [1111,2222,3333]
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addresses = names
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names = addresses
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names2 = names
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}
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}"""
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("array target with expression for index") {
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val text = """
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main {
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sub start() {
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ubyte[] array = [1,2,3]
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array[cx16.r0L+1] += 42
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cx16.r0L = array[cx16.r0L+1]
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}
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}"""
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compileText(VMTarget(), false, text, writeAssembly = true) shouldNotBe null
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compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
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}
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test("split array in zeropage is okay") {
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val text = """
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main {
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sub start() {
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uword[3] @zp @split @shared thearray
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}
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}"""
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val result = compileText(C64Target(), false, text, writeAssembly = true)!!
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val assemblyFile = result.compilationOptions.outputDir.resolve(result.compilerAst.name + ".asm")
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val assembly = assemblyFile.readText()
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assembly shouldContain "thearray_lsb"
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assembly shouldContain "thearray_msb"
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}
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test("indexing str or pointervar with expression") {
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val text = """
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main {
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sub start() {
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str name = "thing"
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modify(name)
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sub modify(str arg) {
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ubyte n=1
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uword pointervar
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arg[n+1] = arg[1]
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pointervar[n+1] = pointervar[1]
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}
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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("address of a uword pointer array expression") {
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val src="""
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main {
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sub start() {
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set_state(12345, 1)
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}
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sub set_state(uword buffer, ubyte i) {
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uword addr = &buffer[i]
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addr++
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}
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}"""
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compileText(C64Target(), false, src, writeAssembly = true) shouldNotBe null
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}
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test("negative array index variables are not allowed, but ptr indexing is allowed") {
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val src="""
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main {
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sub start() {
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uword @shared pointer
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ubyte[10] array
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str name = "hello"
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byte sindex
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array[sindex] = 10
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cx16.r0L = array[sindex]
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name[sindex] = 0
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cx16.r0L = name[sindex]
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pointer[sindex] = 10
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cx16.r0L=pointer[sindex]
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(VMTarget(), false, src, writeAssembly = false, errors = errors) shouldBe null
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errors.errors.size shouldBe 4
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errors.errors[0] shouldContain "signed variables"
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errors.errors[1] shouldContain "signed variables"
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errors.errors[2] shouldContain "signed variables"
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errors.errors[3] shouldContain "signed variables"
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}
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test("bounds checking for both positive and negative indexes, correct cases") {
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val src="""
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main {
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sub start() {
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ubyte[10] array
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array[0] = 0
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array[9] = 0
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array[-1] = 0
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array[-10] = 0
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}
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}"""
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compileText(VMTarget(), false, src, writeAssembly = false) shouldNotBe null
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}
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test("bounds checking on strings, correct cases") {
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val src="""
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main {
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sub start() {
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str name = "1234567890"
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name[0] = 0
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name[9] = 0
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}
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}"""
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compileText(VMTarget(), false, src, writeAssembly = false) shouldNotBe null
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}
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test("bounds checking for positive indexes, invalid case") {
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val src="""
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main {
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sub start() {
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ubyte[10] array
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array[10] = 0
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(VMTarget(), false, src, writeAssembly = false, errors = errors) shouldBe null
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errors.errors.size shouldBe 1
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errors.errors[0] shouldContain "out of bounds"
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}
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test("bounds checking for negative indexes, invalid case") {
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val src="""
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main {
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sub start() {
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ubyte[10] array
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array[-11] = 0
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(VMTarget(), false, src, writeAssembly = false, errors = errors) shouldBe null
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errors.errors.size shouldBe 1
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errors.errors[0] shouldContain "out of bounds"
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}
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test("bounds checking on strings invalid cases") {
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val src="""
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main {
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sub start() {
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str name = "1234567890"
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name[10] = 0
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name[-1] = 0
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name[-11] = 0
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(VMTarget(), false, src, writeAssembly = false, errors = errors) shouldBe null
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errors.errors.size shouldBe 3
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errors.errors[0] shouldContain "out of bounds"
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errors.errors[1] shouldContain "out of bounds"
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errors.errors[2] shouldContain "out of bounds"
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}
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test("array assignments should check for number of elements and element type correctness") {
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val src="""
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%option enable_floats
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main {
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sub start() {
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ubyte[] array = 1 to 4
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ubyte[] array2 = [1,2,3,4]
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str[] names = ["apple", "banana", "tomato"]
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array = [10,11,12,13] ; ok!
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array = 20 to 23 ; ok!
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names = ["x1", "x2", "x3"] ; ok!
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ubyte[] array3 = [1,2,3,4000] ; error: element type
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array = 10 to 15 ; error: array size
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array = 1000 to 1003 ; error: element type
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names = ["x1", "x2", "x3", "x4"] ; error: array size
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names = [1.1, 2.2, 3.3, 4.4] ; error: array size AND element type
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names = [1.1, 2.2, 999999.9] ; error: element type
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names = [1.1, 2.2, 9.9] ; error: element type
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}
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}"""
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val errors = ErrorReporterForTests()
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compileText(C64Target(), false, src, writeAssembly = true, errors = errors) shouldBe null
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errors.errors.size shouldBe 8
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errors.errors[0] shouldContain "incompatible type"
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errors.errors[1] shouldContain "array size mismatch"
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errors.errors[2] shouldContain "array element out of range"
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errors.errors[3] shouldContain "array size mismatch"
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errors.errors[4] shouldContain "array size mismatch"
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errors.errors[5] shouldContain "value has incompatible type"
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errors.errors[6] shouldContain "value has incompatible type"
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errors.errors[7] shouldContain "value has incompatible type"
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}
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test("array assignments should work via array copy call") {
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val src="""
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%option enable_floats
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main {
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sub start() {
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ubyte[] array = [1,2,3]
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ubyte[3] array2
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float[] flarray = [1.1, 2.2, 3.3]
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float[3] flarray2
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word[] warray = [-2222,42,3333]
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word[3] warray2
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str[] names = ["apple", "banana", "tomato"]
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str[3] names2
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; 8 array assignments -> 8 arraycopies:
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array = [8,7,6]
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array = array2
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flarray = [99.9, 88.8, 77.7]
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flarray = flarray2
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warray = [4444,5555,6666]
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warray = warray2
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names = ["x1", "x2", "x3"]
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names = names2
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}
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}"""
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compileText(VMTarget(), false, src, writeAssembly = true) shouldNotBe null
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val result = compileText(C64Target(), false, src, writeAssembly = true)!!
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val x = result.codegenAst!!.entrypoint()!!
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(x.children[12] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[13] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[14] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[15] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[16] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[17] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[18] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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(x.children[19] as PtBuiltinFunctionCall).name shouldBe "prog8_lib_arraycopy"
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}
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})
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