mirror of
https://github.com/irmen/prog8.git
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389 lines
13 KiB
Kotlin
389 lines
13 KiB
Kotlin
package prog8tests
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import io.kotest.assertions.withClue
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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.string.shouldContain
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import io.kotest.matchers.types.instanceOf
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import io.kotest.matchers.types.shouldBeSameInstanceAs
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import prog8.ast.GlobalNamespace
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import prog8.ast.base.ParentSentinel
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import prog8.ast.expressions.NumericLiteralValue
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import prog8.ast.statements.*
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import prog8.codegen.target.C64Target
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import prog8tests.helpers.ErrorReporterForTests
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import prog8tests.helpers.assertFailure
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import prog8tests.helpers.assertSuccess
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import prog8tests.helpers.compileText
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class TestScoping: FunSpec({
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test("modules parent is global namespace") {
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val src = """
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main {
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sub start() {
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}
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}
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"""
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val result = compileText(C64Target(), false, src, writeAssembly = false).assertSuccess()
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val module = result.program.toplevelModule
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module.parent shouldBe instanceOf<GlobalNamespace>()
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module.program shouldBeSameInstanceAs result.program
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module.parent.parent shouldBe instanceOf<ParentSentinel>()
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}
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test("anon scope vars moved into subroutine scope") {
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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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ubyte xx = 99
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xx++
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}
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}
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}
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"""
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val result = compileText(C64Target(), false, src, writeAssembly = false).assertSuccess()
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val module = result.program.toplevelModule
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val mainBlock = module.statements.single() as Block
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val start = mainBlock.statements.single() as Subroutine
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val repeatbody = start.statements.filterIsInstance<RepeatLoop>().single().body
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withClue("no vars moved to main block") {
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mainBlock.statements.any { it is VarDecl } shouldBe false
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}
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val subroutineVars = start.statements.filterIsInstance<VarDecl>()
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withClue("var from repeat anonscope must be moved up to subroutine") {
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subroutineVars.size shouldBe 1
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}
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subroutineVars[0].name shouldBe "xx"
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withClue("var should have been removed from repeat anonscope") {
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repeatbody.statements.any { it is VarDecl } shouldBe false
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}
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val initassign = repeatbody.statements[0] as? Assignment
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withClue("vardecl in repeat should be replaced by init assignment") {
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initassign?.target?.identifier?.nameInSource shouldBe listOf("xx")
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}
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withClue("vardecl in repeat should be replaced by init assignment") {
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(initassign?.value as? NumericLiteralValue)?.number?.toInt() shouldBe 99
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}
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repeatbody.statements[1] shouldBe instanceOf<PostIncrDecr>()
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}
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test("labels with anon scopes") {
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val src = """
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main {
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sub start() {
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uword addr
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goto labeloutside
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if true {
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if true {
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addr = &iflabel
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addr = &labelinside
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addr = &labeloutside
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addr = &main.start.nested.nestedlabel
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goto labeloutside
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goto iflabel
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goto main.start.nested.nestedlabel
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}
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iflabel:
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}
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repeat {
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addr = &iflabel
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addr = &labelinside
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addr = &labeloutside
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addr = &main.start.nested.nestedlabel
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goto iflabel
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goto labelinside
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goto main.start.nested.nestedlabel
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labelinside:
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}
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sub nested () {
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nestedlabel:
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addr = &nestedlabel
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goto nestedlabel
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goto main.start.nested.nestedlabel
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}
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labeloutside:
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addr = &iflabel
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addr = &labelinside
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addr = &labeloutside
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addr = &main.start.nested.nestedlabel
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goto main.start.nested.nestedlabel
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}
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}
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"""
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val result = compileText(C64Target(), false, src, writeAssembly = true).assertSuccess()
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val module = result.program.toplevelModule
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val mainBlock = module.statements.single() as Block
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val start = mainBlock.statements.single() as Subroutine
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val labels = start.statements.filterIsInstance<Label>()
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withClue("only one label in subroutine scope") {
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labels.size shouldBe 1
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}
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}
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test("good subroutine call without qualified names") {
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val text="""
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main {
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sub start() {
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routine()
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routine2()
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sub routine2() {
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}
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}
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sub routine() {
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start()
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = false).assertSuccess()
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}
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test("wrong subroutine call without qualified names") {
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val text="""
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main {
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sub start() {
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sub routine2() {
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}
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}
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sub routine() {
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routine2()
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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(), false, text, writeAssembly = false, errors = errors).assertFailure()
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errors.errors.size shouldBe 1
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errors.errors[0] shouldContain "undefined symbol: routine2"
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}
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test("good subroutine calls with qualified names (from root)") {
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val text="""
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main {
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sub start() {
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main.routine()
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main.start.routine2()
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sub routine2() {
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}
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}
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sub routine() {
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main.start.routine2()
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = false).assertSuccess()
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}
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test("wrong subroutine calls with qualified names (not from root)") {
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val text="""
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main {
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sub start() {
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start.routine2()
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wrong.start.routine2()
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sub routine2() {
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}
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}
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sub routine() {
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start.routine2()
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wrong.start.routine2()
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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(), false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 4
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errors.errors[0] shouldContain "undefined symbol: start.routine2"
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errors.errors[1] shouldContain "undefined symbol: wrong.start.routine2"
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errors.errors[2] shouldContain "undefined symbol: start.routine2"
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errors.errors[3] shouldContain "undefined symbol: wrong.start.routine2"
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}
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test("good variables without qualified names") {
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val text="""
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main {
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ubyte v1
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sub start() {
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ubyte v2
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v1=1
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v2=2
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sub routine2() {
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ubyte v3
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v1=1
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v2=2
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v3=3
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}
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}
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sub routine() {
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ubyte v4
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v1=1
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v4=4
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = false).assertSuccess()
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}
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test("wrong variables without qualified names") {
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val text="""
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main {
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ubyte v1
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sub start() {
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ubyte v2
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v1=1
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v2=2
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v3=3 ; can't access
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v4=4 ; can't access
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sub routine2() {
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ubyte v3
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v1=1
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v2=2
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v3=3
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v4=3 ;can't access
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}
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}
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sub routine() {
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ubyte v4
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v1=1
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v2=2 ; can't access
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v3=3 ; can't access
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v4=4
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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(), false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 5
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errors.errors[0] shouldContain "undefined symbol: v3"
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errors.errors[1] shouldContain "undefined symbol: v4"
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errors.errors[2] shouldContain "undefined symbol: v4"
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errors.errors[3] shouldContain "undefined symbol: v2"
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errors.errors[4] shouldContain "undefined symbol: v3"
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}
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test("good variable refs with qualified names (from root)") {
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val text="""
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main {
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sub start() {
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uword xx
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xx = &main.routine
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main.routine(5)
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main.routine.value = 5
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main.routine.arg = 5
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xx = &main.routine.nested
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main.routine.nested(5)
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main.routine.nested.nestedvalue = 5
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main.routine.nested.arg2 = 5
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}
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sub routine(ubyte arg) {
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ubyte value
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sub nested(ubyte arg2) {
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ubyte nestedvalue
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}
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = false).assertSuccess()
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}
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test("wrong variable refs with qualified names 1 (not from root)") {
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val text="""
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main {
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sub start() {
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uword xx
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xx = &routine
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routine(5)
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routine.value = 5
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routine.arg = 5
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routine.nested.arg2 = 5
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routine.nested.nestedvalue = 5
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nested.nestedvalue = 5
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}
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sub routine(ubyte arg) {
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ubyte value
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sub nested(ubyte arg2) {
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ubyte nestedvalue
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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(), false, text, writeAssembly = false, errors=errors).assertFailure()
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errors.errors.size shouldBe 5
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errors.errors[0] shouldContain "undefined symbol: routine.value"
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errors.errors[1] shouldContain "undefined symbol: routine.arg"
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errors.errors[2] shouldContain "undefined symbol: routine.nested.arg2"
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errors.errors[3] shouldContain "undefined symbol: routine.nested.nestedvalue"
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errors.errors[4] shouldContain "undefined symbol: nested.nestedvalue"
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}
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test("various good goto targets") {
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val text="""
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main {
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sub start() {
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uword address = $4000
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goto ${'$'}c000
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goto address ; indirect jump
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goto main.routine
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goto main.jumplabel
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if_cc
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goto ${'$'}c000
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if_cc
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goto address ; indirect jump
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if_cc
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goto main.routine
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if_cc
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goto main.jumplabel
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}
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jumplabel:
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%asm {{
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rts
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}}
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sub routine() {
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}
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}
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"""
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compileText(C64Target(), false, text, writeAssembly = false).assertSuccess()
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}
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test("various wrong goto targets") {
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val text = """
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main {
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sub start() {
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byte wrongaddress = 100
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goto wrongaddress ; must be uword
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goto main.routine ; can't take args
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}
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sub routine(ubyte arg) {
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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(), false, text, writeAssembly = false, errors = errors).assertFailure()
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errors.errors.size shouldBe 2
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errors.errors[0] shouldContain "wrong address"
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errors.errors[1] shouldContain "takes parameters"
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}
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})
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