prog8/compiler/test/ast/TestIntermediateAst.kt
2024-09-08 22:58:36 +02:00

101 lines
4.5 KiB
Kotlin

package prog8tests.ast
import io.kotest.assertions.fail
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.ints.shouldBeGreaterThan
import io.kotest.matchers.shouldBe
import io.kotest.matchers.types.instanceOf
import prog8.code.ast.*
import prog8.code.core.BaseDataType
import prog8.code.core.DataTypeFull
import prog8.code.core.Position
import prog8.code.target.C64Target
import prog8.compiler.astprocessing.IntermediateAstMaker
import prog8tests.helpers.ErrorReporterForTests
import prog8tests.helpers.compileText
class TestIntermediateAst: FunSpec({
test("creation") {
val text="""
%import textio
%import graphics
main {
sub start() {
bool cc
ubyte dd
ubyte[] array = [1,2,3]
cc = 11 in array
dd = sqrt(lsb(dd))
}
}
"""
val target = C64Target()
val errors = ErrorReporterForTests()
val result = compileText(target, false, text, writeAssembly = false)!!
val ast = IntermediateAstMaker(result.compilerAst, errors).transform()
ast.name shouldBe result.compilerAst.name
ast.allBlocks().any() shouldBe true
val entry = ast.entrypoint() ?: fail("no main.start() found")
entry.children.size shouldBe 7
entry.name shouldBe "start"
entry.scopedName shouldBe "main.start"
val blocks = ast.allBlocks().toList()
blocks.size shouldBeGreaterThan 1
blocks[0].name shouldBe "main"
blocks[0].scopedName shouldBe "main"
val ccInit = entry.children[3] as PtAssignment
ccInit.target.identifier?.name shouldBe "main.start.cc"
(ccInit.value as PtBool).value shouldBe false
val ddInit = entry.children[4] as PtAssignment
ddInit.target.identifier?.name shouldBe "main.start.dd"
(ddInit.value as PtNumber).number shouldBe 0.0
val ccdecl = entry.children[0] as PtVariable
ccdecl.name shouldBe "cc"
ccdecl.scopedName shouldBe "main.start.cc"
ccdecl.type shouldBe DataTypeFull.forDt(BaseDataType.BOOL)
val dddecl = entry.children[1] as PtVariable
dddecl.name shouldBe "dd"
dddecl.scopedName shouldBe "main.start.dd"
dddecl.type shouldBe DataTypeFull.forDt(BaseDataType.UBYTE)
val arraydecl = entry.children[2] as IPtVariable
arraydecl.name shouldBe "array"
arraydecl.type shouldBe DataTypeFull.arrayFor(BaseDataType.UBYTE)
val ccAssignV = (entry.children[5] as PtAssignment).value
ccAssignV shouldBe instanceOf<PtContainmentCheck>()
val ddAssignV = (entry.children[6] as PtAssignment).value
ddAssignV shouldBe instanceOf<PtFunctionCall>()
}
test("isSame on binaryExpressions") {
val expr1 = PtBinaryExpression("/", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr1.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
expr1.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
val expr2 = PtBinaryExpression("/", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr2.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
expr2.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
(expr1 isSameAs expr2) shouldBe true
val expr3 = PtBinaryExpression("/", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr3.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
expr3.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
(expr1 isSameAs expr3) shouldBe false
}
test("isSame on binaryExpressions with associative operators") {
val expr1 = PtBinaryExpression("+", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr1.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
expr1.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
val expr2 = PtBinaryExpression("+", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr2.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
expr2.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
(expr1 isSameAs expr2) shouldBe true
val expr3 = PtBinaryExpression("+", DataTypeFull.forDt(BaseDataType.UBYTE), Position.DUMMY)
expr3.add(PtNumber(BaseDataType.UBYTE, 2.0, Position.DUMMY))
expr3.add(PtNumber(BaseDataType.UBYTE, 1.0, Position.DUMMY))
(expr1 isSameAs expr3) shouldBe true
}
})