prog8/compiler/test/codegeneration/TestVariousCodeGen.kt

321 lines
7.9 KiB
Kotlin

package prog8tests.codegeneration
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.string.shouldStartWith
import io.kotest.matchers.types.instanceOf
import prog8.code.ast.PtArrayIndexer
import prog8.code.ast.PtAssignment
import prog8.code.ast.PtVariable
import prog8.code.core.DataType
import prog8.code.target.C64Target
import prog8.code.target.Cx16Target
import prog8.code.target.VMTarget
import prog8tests.helpers.ErrorReporterForTests
import prog8tests.helpers.compileText
class TestVariousCodeGen: FunSpec({
test("bool to byte cast in expression is correct") {
val text="""
main {
sub start() {
ubyte[3] values
func(22 in values)
ubyte @shared qq = 22 in values
}
sub func(ubyte arg) {
arg++
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("nested scoping") {
val text="""
main {
sub start() {
testscope.duplicate()
cx16.r0L = testscope.duplicate2()
}
}
testscope {
sub sub1() {
ubyte @shared duplicate
ubyte @shared duplicate2
}
sub duplicate() {
; do nothing
}
sub duplicate2() -> ubyte {
return cx16.r0L
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("word array indexing") {
val text="""
main {
sub start() {
uword[3] seed
cx16.r0 = seed[0] + seed[1] + seed[2]
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("ast result from compileText") {
val text="""
main {
sub start() {
uword[3] seed
cx16.r0 = seed[0] + seed[1] + seed[2]
}
}"""
val result = compileText(C64Target(), false, text, writeAssembly = true)!!
result.compilerAst.name shouldStartWith "on_the_fly"
result.codegenAst!!.name shouldBe result.compilerAst.name
result.codegenAst!!.children.size shouldBeGreaterThan 2
val start = result.codegenAst!!.entrypoint()!!
start.name shouldBe "p8_start"
start.children.size shouldBeGreaterThan 2
val seed = start.children[0] as PtVariable
seed.name shouldBe "p8_seed"
seed.value shouldBe null
seed.type shouldBe DataType.ARRAY_UW
val assign = start.children[1] as PtAssignment
assign.target.identifier!!.name shouldBe "cx16.r0"
assign.value shouldBe instanceOf<PtArrayIndexer>()
}
test("peek and poke argument types") {
val text="""
main {
sub start() {
uword[3] arr
ubyte i = 42
uword ww = peekw(arr[i])
ubyte xx = peek(arr[i])
xx = @(arr[i])
@(arr[i]) = 42
poke(arr[i], 42)
pokew(arr[i], 4242)
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("assigning memory byte into arrays works") {
val text="""
main {
sub start() {
uword factor1
ubyte[3] bytearray
uword[3] wordarray
@(factor1) = bytearray[0]
bytearray[0] = @(factor1)
@(factor1) = lsb(wordarray[0])
wordarray[0] = @(factor1)
@(5000) = bytearray[0]
@(5000) = lsb(wordarray[0])
bytearray[0] = @(5000)
wordarray[0] = @(5000)
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("reading memory from unknown var gives proper error") {
val text="""
main {
sub start() {
cx16.r0L = @(doesnotexist)
}
}"""
val errors = ErrorReporterForTests()
compileText(C64Target(), false, text, writeAssembly = true, errors = errors)
errors.errors.size shouldBe 2
errors.errors[0] shouldContain "isn't uword"
errors.errors[1] shouldContain "undefined symbol: doesnotexist"
}
test("shifting by word value is ok") {
val text="""
main {
sub start() {
ubyte c = 1
@(15000 + c<<${'$'}0003) = 42
@(15000 + (c<<${'$'}0003)) = 42
@(15000 + c*${'$'}0008) = 42 ; *8 becomes a shift after opt
uword @shared qq = 15000 + c<<${'$'}0003
qq = 15000 + (c<<${'$'}0003)
qq = 16000 + c*${'$'}0008
}
}"""
compileText(C64Target(), true, text, writeAssembly = true) shouldNotBe null
compileText(VMTarget(), true, text, writeAssembly = true) shouldNotBe null
}
test("builtin func in float expression") {
val src="""
%import floats
main {
sub start() {
float @shared fl =25.1
fl = abs(fl)+0.5
fl = sqrt(fl)+0.5
}
}"""
compileText(C64Target(), false, src, writeAssembly = true) shouldNotBe null
}
test("string vars in inlined subroutines are ok") {
val src="""
main {
sub start() {
void block2.curdir()
void block2.other()
}
}
block2 {
str result="zzzz"
sub curdir() -> str {
return result
}
sub other() -> str {
return "other"
}
}"""
compileText(C64Target(), true, src, writeAssembly = true) shouldNotBe null
compileText(VMTarget(), true, src, writeAssembly = true) shouldNotBe null
}
test("array with pointers") {
val src = """
main {
sub start() {
str localstr = "hello"
ubyte[] otherarray = [1,2,3]
uword[] words = [1111,2222,"three",&localstr,&otherarray]
uword @shared zz = &words
ubyte result = 2222 in words
zz = words[2]
zz++
zz = words[3]
}
}"""
val othertarget = Cx16Target()
compileText(othertarget, true, src, writeAssembly = true) shouldNotBe null
}
test("case sensitive symbols") {
val src = """
main {
sub start() {
ubyte bytevar = 11 ; var at 0
ubyte byteVAR = 22 ; var at 1
ubyte ByteVar = 33 ; var at 2
ubyte @shared total = bytevar+byteVAR+ByteVar ; var at 3
goto skipLABEL
SkipLabel:
return
skipLABEL:
bytevar = 42
}
}"""
val target = Cx16Target()
compileText(target, true, src, writeAssembly = true) shouldNotBe null
}
test("addresses from labels/subroutines") {
val src = """
main {
sub start() {
mylabel:
ubyte variable
uword @shared pointer1 = &main.start
uword @shared pointer2 = &start
uword @shared pointer3 = &main.start.mylabel
uword @shared pointer4 = &mylabel
uword[] @shared ptrs = [&variable, &start, &main.start, &mylabel, &main.start.mylabel]
}
}
"""
compileText(Cx16Target(), true, src, writeAssembly = true) shouldNotBe null
}
test("duplicate symbols okay other block and variable") {
val src = """
main {
ubyte derp
sub start() {
derp++
foo.bar()
}
}
foo {
sub bar() {
derp.print()
}
}
derp {
sub print() {
cx16.r0++
cx16.r1++
}
}"""
compileText(VMTarget(), true, src, writeAssembly = true) shouldNotBe null
compileText(Cx16Target(), true, src, writeAssembly = true) shouldNotBe null
}
test("prefix expressions with typecasting") {
val src="""
main
{
sub start()
{
uword uw = 54321
ubyte ub = 123
word sw = -12345
byte sb = -123
func_uw(~ub as uword)
func_ub(~uw as ubyte)
func_uw(~sb as uword)
func_ub(~sw as ubyte)
func_w(-sb as word)
func_b(-sw as byte)
}
sub func_uw(uword arg) {
}
sub func_w(word arg) {
}
sub func_ub(ubyte arg) {
}
sub func_b(byte arg) {
}
}"""
compileText(VMTarget(), false, src, writeAssembly = true) shouldNotBe null
compileText(Cx16Target(), false, src, writeAssembly = true) shouldNotBe null
}
})