mirror of
https://github.com/irmen/prog8.git
synced 2024-09-07 03:54:27 +00:00
127 lines
5.2 KiB
Kotlin
127 lines
5.2 KiB
Kotlin
package prog8tests
|
|
|
|
import io.kotest.assertions.withClue
|
|
import io.kotest.core.spec.style.FunSpec
|
|
import io.kotest.matchers.shouldBe
|
|
import io.kotest.matchers.shouldNotBe
|
|
import io.kotest.matchers.types.instanceOf
|
|
import io.kotest.matchers.types.shouldBeSameInstanceAs
|
|
import prog8.ast.Program
|
|
import prog8.ast.base.DataType
|
|
import prog8.ast.base.ParentSentinel
|
|
import prog8.ast.base.Position
|
|
import prog8.ast.expressions.NumericLiteralValue
|
|
import prog8.ast.expressions.TypecastExpression
|
|
import prog8.ast.statements.*
|
|
import prog8.compiler.target.C64Target
|
|
import prog8tests.helpers.DummyFunctions
|
|
import prog8tests.helpers.DummyMemsizer
|
|
import prog8tests.helpers.DummyStringEncoder
|
|
import prog8tests.helpers.assertSuccess
|
|
import prog8tests.helpers.compileText
|
|
|
|
class TestOptimization: FunSpec({
|
|
test("testRemoveEmptySubroutineExceptStart") {
|
|
val sourcecode = """
|
|
main {
|
|
sub start() {
|
|
}
|
|
sub empty() {
|
|
; going to be removed
|
|
}
|
|
}
|
|
"""
|
|
val result = compileText(C64Target, true, sourcecode).assertSuccess()
|
|
val toplevelModule = result.program.toplevelModule
|
|
val mainBlock = toplevelModule.statements.single() as Block
|
|
val startSub = mainBlock.statements.single() as Subroutine
|
|
result.program.entrypoint shouldBeSameInstanceAs startSub
|
|
withClue("only start sub should remain") {
|
|
startSub.name shouldBe "start"
|
|
}
|
|
withClue("compiler has inserted return in empty subroutines") {
|
|
startSub.statements.single() shouldBe instanceOf<Return>()
|
|
}
|
|
}
|
|
|
|
test("testDontRemoveEmptySubroutineIfItsReferenced") {
|
|
val sourcecode = """
|
|
main {
|
|
sub start() {
|
|
uword xx = &empty
|
|
xx++
|
|
}
|
|
sub empty() {
|
|
; should not be removed
|
|
}
|
|
}
|
|
"""
|
|
val result = compileText(C64Target, true, sourcecode).assertSuccess()
|
|
val toplevelModule = result.program.toplevelModule
|
|
val mainBlock = toplevelModule.statements.single() as Block
|
|
val startSub = mainBlock.statements[0] as Subroutine
|
|
val emptySub = mainBlock.statements[1] as Subroutine
|
|
result.program.entrypoint shouldBeSameInstanceAs startSub
|
|
startSub.name shouldBe "start"
|
|
emptySub.name shouldBe "empty"
|
|
withClue("compiler has inserted return in empty subroutines") {
|
|
emptySub.statements.single() shouldBe instanceOf<Return>()
|
|
}
|
|
}
|
|
|
|
test("testGeneratedConstvalueInheritsProperParentLinkage") {
|
|
val number = NumericLiteralValue(DataType.UBYTE, 11, Position.DUMMY)
|
|
val tc = TypecastExpression(number, DataType.BYTE, false, Position.DUMMY)
|
|
val program = Program("test", DummyFunctions, DummyMemsizer, DummyStringEncoder)
|
|
tc.linkParents(ParentSentinel)
|
|
tc.parent shouldNotBe null
|
|
number.parent shouldNotBe null
|
|
tc shouldBeSameInstanceAs number.parent
|
|
val constvalue = tc.constValue(program)!!
|
|
constvalue shouldBe instanceOf<NumericLiteralValue>()
|
|
constvalue.number.toInt() shouldBe 11
|
|
constvalue.type shouldBe DataType.BYTE
|
|
tc shouldBeSameInstanceAs constvalue.parent
|
|
}
|
|
|
|
test("testConstantFoldedAndSilentlyTypecastedForInitializerValues") {
|
|
val sourcecode = """
|
|
main {
|
|
sub start() {
|
|
const ubyte TEST = 10
|
|
byte x1 = TEST as byte + 1
|
|
byte x2 = 1 + TEST as byte
|
|
ubyte y1 = TEST + 1 as byte
|
|
ubyte y2 = 1 as byte + TEST
|
|
}
|
|
}
|
|
"""
|
|
val result = compileText(C64Target, true, sourcecode).assertSuccess()
|
|
val mainsub = result.program.entrypoint
|
|
mainsub.statements.size shouldBe 10
|
|
val declTest = mainsub.statements[0] as VarDecl
|
|
val declX1 = mainsub.statements[1] as VarDecl
|
|
val initX1 = mainsub.statements[2] as Assignment
|
|
val declX2 = mainsub.statements[3] as VarDecl
|
|
val initX2 = mainsub.statements[4] as Assignment
|
|
val declY1 = mainsub.statements[5] as VarDecl
|
|
val initY1 = mainsub.statements[6] as Assignment
|
|
val declY2 = mainsub.statements[7] as VarDecl
|
|
val initY2 = mainsub.statements[8] as Assignment
|
|
mainsub.statements[9] shouldBe instanceOf<Return>()
|
|
(declTest.value as NumericLiteralValue).number.toDouble() shouldBe 10.0
|
|
declX1.value shouldBe null
|
|
declX2.value shouldBe null
|
|
declY1.value shouldBe null
|
|
declY2.value shouldBe null
|
|
(initX1.value as NumericLiteralValue).type shouldBe DataType.BYTE
|
|
(initX1.value as NumericLiteralValue).number.toDouble() shouldBe 11.0
|
|
(initX2.value as NumericLiteralValue).type shouldBe DataType.BYTE
|
|
(initX2.value as NumericLiteralValue).number.toDouble() shouldBe 11.0
|
|
(initY1.value as NumericLiteralValue).type shouldBe DataType.UBYTE
|
|
(initY1.value as NumericLiteralValue).number.toDouble() shouldBe 11.0
|
|
(initY2.value as NumericLiteralValue).type shouldBe DataType.UBYTE
|
|
(initY2.value as NumericLiteralValue).number.toDouble() shouldBe 11.0
|
|
}
|
|
})
|