prog8/compiler/test/ast/TestVariousCompilerAst.kt
2024-01-01 16:11:50 +01:00

537 lines
16 KiB
Kotlin

package prog8tests.ast
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.shouldBe
import io.kotest.matchers.shouldNotBe
import io.kotest.matchers.string.shouldContain
import io.kotest.matchers.types.instanceOf
import prog8.ast.IFunctionCall
import prog8.ast.expressions.*
import prog8.ast.statements.*
import prog8.code.core.DataType
import prog8.code.core.Position
import prog8.code.target.C64Target
import prog8.code.target.Cx16Target
import prog8.code.target.VMTarget
import prog8tests.helpers.ErrorReporterForTests
import prog8tests.helpers.compileText
class TestVariousCompilerAst: FunSpec({
test("symbol names in inline assembly blocks") {
val names1 = InlineAssembly("""
""", false, Position.DUMMY).names
names1 shouldBe emptySet()
val names2 = InlineAssembly("""
label: lda #<value
sta ${'$'}ea
sta 123
label2:
sta othervalue ; but not these in the comments
; also not these
;; ...or these
// valid words 123456
""", false, Position.DUMMY).names
names2 shouldBe setOf("label", "lda", "sta", "ea", "value", "label2", "othervalue", "valid", "words")
}
test("array literals") {
val text="""
%zeropage basicsafe
main {
sub start() {
ubyte b1
ubyte b2
ubyte[] array1 = [1,2,3]
ubyte[] array2 = [9,8,7]
uword[] @shared addresses1 = [&b1, &b2]
uword[] @shared addresses2 = [array1, array2]
uword[] @shared addresses3 = [&array1, &array2]
uword[] @shared addresses4 = ["string1", "string2"]
uword[] @shared addresses5 = [1111, 2222]
}
}"""
compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
}
test("invalid && operator") {
val text="""
main {
sub start() {
uword b1
uword b2
uword b3 = b1 && b2 ; invalid syntax: '&&' is not an operator, 'and' should be used instead
}
}"""
compileText(C64Target(), false, text, writeAssembly = false) shouldBe null
}
test("string comparisons") {
val src="""
main {
sub start() {
str name = "name"
uword nameptr = &name
cx16.r0L= name=="foo"
cx16.r1L= name!="foo"
cx16.r2L= name<"foo"
cx16.r3L= name>"foo"
cx16.r0L= nameptr=="foo"
cx16.r1L= nameptr!="foo"
cx16.r2L= nameptr<"foo"
cx16.r3L= nameptr>"foo"
void compare(name, "foo")
void compare(name, "name")
void compare(nameptr, "foo")
void compare(nameptr, "name")
}
sub compare(str s1, str s2) -> ubyte {
if s1==s2
return 42
return 0
}
}"""
val result = compileText(C64Target(), optimize=false, src, writeAssembly=true)!!
val stmts = result.compilerAst.entrypoint.statements
stmts.size shouldBe 16
val result2 = compileText(VMTarget(), optimize=false, src, writeAssembly=true)!!
val stmts2 = result2.compilerAst.entrypoint.statements
stmts2.size shouldBe 16
}
test("string concatenation and repeats") {
val src="""
main {
sub start() {
str @shared name = "part1" + "part2"
str @shared rept = "rep"*4
const ubyte times = 3
name = "xx1" + "xx2"
rept = "xyz" * (times+1)
}
}"""
val result = compileText(C64Target(), optimize=false, src, writeAssembly=true)!!
val stmts = result.compilerAst.entrypoint.statements
stmts.size shouldBe 6
val name1 = stmts[0] as VarDecl
val rept1 = stmts[1] as VarDecl
(name1.value as StringLiteral).value shouldBe "part1part2"
(rept1.value as StringLiteral).value shouldBe "reprepreprep"
val name2strcopy = stmts[3] as IFunctionCall
val rept2strcopy = stmts[4] as IFunctionCall
val name2 = name2strcopy.args.first() as IdentifierReference
val rept2 = rept2strcopy.args.first() as IdentifierReference
(name2.targetVarDecl(result.compilerAst)!!.value as StringLiteral).value shouldBe "xx1xx2"
(rept2.targetVarDecl(result.compilerAst)!!.value as StringLiteral).value shouldBe "xyzxyzxyzxyz"
}
test("pointervariable indexing allowed with >255") {
val src="""
main {
sub start() {
uword pointer = ${'$'}2000
@(pointer+${'$'}1000) = 123
ubyte @shared ub = @(pointer+${'$'}1000)
pointer[${'$'}1000] = 99
ub = pointer[${'$'}1000]
uword index = ${'$'}1000
pointer[index] = 55
ub = pointer[index]
}
}"""
compileText(C64Target(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("bitshift left of const byte not converted to word") {
val src="""
main {
sub start() {
ubyte shift = 10
uword value = 1<<shift
value++
value = 1<<shift
value++
}
}"""
val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
val stmts = result.compilerAst.entrypoint.statements
stmts.size shouldBe 7
val assign1expr = (stmts[3] as Assignment).value as BinaryExpression
val assign2expr = (stmts[5] as Assignment).value as BinaryExpression
assign1expr.operator shouldBe "<<"
val leftval1 = assign1expr.left.constValue(result.compilerAst)!!
leftval1.type shouldBe DataType.UWORD
leftval1.number shouldBe 1.0
val leftval2 = assign2expr.left.constValue(result.compilerAst)!!
leftval2.type shouldBe DataType.UWORD
leftval2.number shouldBe 1.0
}
test("hoisting vars with complex initializer expressions to outer scope") {
val src="""
main {
sub pget(uword @zp x, uword y) -> ubyte {
return lsb(x+y)
}
sub start() {
uword[128] YY
ubyte[] ARRAY = [1, 5, 2]
repeat {
ubyte pixel_side1 = pget(2, YY[2]+1) in ARRAY
ubyte pixel_side2 = pget(2, 2) in ARRAY
ubyte[] array2 = [1,2,3]
}
}
}"""
val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
val stmts = result.compilerAst.entrypoint.statements
stmts.size shouldBe 9
}
test("alternative notation for negative containment check") {
val src="""
main {
sub start() {
ubyte[] array=[1,2,3]
cx16.r0L = not (3 in array)
cx16.r1L = 3 not in array
}
}
"""
val result = compileText(C64Target(), optimize=false, src, writeAssembly=false)!!
val stmts = result.compilerAst.entrypoint.statements
stmts.size shouldBe 3
val value1 = (stmts[1] as Assignment).value as BinaryExpression
val value2 = (stmts[2] as Assignment).value as BinaryExpression
value1.operator shouldBe "=="
value1.left shouldBe instanceOf<ContainmentCheck>()
(value1.right as NumericLiteral).number shouldBe 0.0
value2.operator shouldBe "=="
value2.left shouldBe instanceOf<ContainmentCheck>()
(value2.right as NumericLiteral).number shouldBe 0.0
}
test("const pointer variable indexing works") {
val src="""
main {
sub start() {
const uword pointer=$1000
cx16.r0L = pointer[2]
pointer[2] = cx16.r0L
}
}
"""
compileText(C64Target(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("unroll good") {
val src="""
main {
sub start() {
unroll 200 {
cx16.r0++
poke(2000,2)
}
}
}
"""
val errors = ErrorReporterForTests(keepMessagesAfterReporting = true)
compileText(C64Target(), optimize=false, src, writeAssembly=false, errors=errors) shouldNotBe null
errors.warnings.size shouldBe 1
errors.warnings[0] shouldContain "large number of unrolls"
}
test("unroll bad") {
val src="""
main {
sub start() {
repeat {
unroll 80 {
cx16.r0++
when cx16.r0 {
1 -> cx16.r0++
else -> cx16.r0++
}
break
}
}
}
}
"""
val errors = ErrorReporterForTests()
compileText(C64Target(), optimize=false, src, writeAssembly=false, errors = errors) shouldBe null
errors.errors.size shouldBe 2
errors.errors[0] shouldContain "invalid statement in unroll loop"
errors.errors[1] shouldContain "invalid statement in unroll loop"
}
test("various curly brace styles") {
val src="""
main
{
sub start()
{
ubyte variable=55
when variable
{
33 -> cx16.r0++
else -> cx16.r1++
}
if variable {
cx16.r0++
} else {
cx16.r1++
}
if variable { cx16.r0++ }
else { cx16.r1++ }
if variable
{
cx16.r0++
}
else
{
cx16.r1++
}
other.othersub()
}
}
other {
sub othersub() {
cx16.r0++
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("returning array as uword") {
val src = """
main {
sub start() {
cx16.r0 = getarray()
}
sub getarray() -> uword {
return [11,22,33]
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("when on booleans") {
val src = """
main
{
sub start()
{
bool choiceVariable=true
when choiceVariable {
false -> cx16.r0++
true -> cx16.r1++
}
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("char as str param is error") {
val src = """
main {
sub start() {
print('@')
}
sub print(str message) {
}
}"""
val errors = ErrorReporterForTests()
compileText(VMTarget(), optimize=false, src, writeAssembly=false, errors = errors) shouldBe null
errors.errors.single() shouldContain "cannot use byte value"
}
test("const eval of address-of a memory mapped variable") {
val src = """
main {
sub start() {
&ubyte mappedvar = 1000
cx16.r0 = &mappedvar
&ubyte[8] array = &mappedvar
cx16.r0 = &array
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("sizeof number const evaluation in vardecl") {
val src="""
main {
sub start() {
uword @shared size1 = sizeof(22222)
uword @shared size2 = sizeof(2.2)
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("multi-var decls in scope with initializer") {
val src="""
main {
sub start() {
ubyte w
for w in 0 to 20 {
ubyte @zp x,y,z=13
ubyte q,r,s
x++
y++
z++
}
}
}"""
val result = compileText(VMTarget(), optimize = false, src, writeAssembly = false)!!
val st = result.compilerAst.entrypoint.statements
/*
sub start () {
ubyte s
s = 0
ubyte r
r = 0
ubyte q
q = 0
ubyte @zp z
ubyte @zp y
ubyte @zp x
ubyte w
for w in 0 to 20 step 1 {
z = 13
y = 13
x = 13
x++
y++
z++
}
}
*/
val vars = st.filterIsInstance<VarDecl>()
vars.size shouldBe 7
vars.all { it.names.size<=1 } shouldBe true
vars.map { it.name }.toSet() shouldBe setOf("s","r","q","z","y","x","w")
val forloop = st.single { it is ForLoop } as ForLoop
forloop.body.statements[0] shouldBe instanceOf<Assignment>()
forloop.body.statements[1] shouldBe instanceOf<Assignment>()
forloop.body.statements[2] shouldBe instanceOf<Assignment>()
}
test("'not in' operator parsing") {
val src="""
main {
sub start() {
str test = "test"
ubyte insync
if not insync
insync++
if insync not in test
insync++
}
}"""
compileText(VMTarget(), optimize=false, src, writeAssembly=false) shouldNotBe null
}
test("no chained comparison modifying expression semantics") {
val src="""
main {
sub start() {
ubyte @shared n=20
ubyte @shared x=10
if n < x {
; nothing here, conditional gets inverted
} else {
cx16.r0++
}
cx16.r0L = n<x == 0
cx16.r1L = not n<x
}
}"""
val result=compileText(VMTarget(), optimize=true, src, writeAssembly=false)!!
val st = result.compilerAst.entrypoint.statements
st.size shouldBe 7
val ifCond = (st[4] as IfElse).condition as BinaryExpression
ifCond.operator shouldBe "=="
(ifCond.right as NumericLiteral).number shouldBe 0.0
(ifCond.left as BinaryExpression).operator shouldBe "<"
val assign1 = (st[5] as Assignment).value as BinaryExpression
val assign2 = (st[6] as Assignment).value as BinaryExpression
assign1.operator shouldBe "=="
(assign1.right as NumericLiteral).number shouldBe 0.0
(assign1.left as BinaryExpression).operator shouldBe "<"
assign2.operator shouldBe "=="
(assign2.right as NumericLiteral).number shouldBe 0.0
(assign2.left as BinaryExpression).operator shouldBe "<"
}
test("modulo is not directive") {
val src="""
main {
sub start() {
ubyte bb1 = 199
ubyte bb2 = 12
ubyte @shared bb3 = bb1%bb2
}
}"""
val result=compileText(Cx16Target(), optimize=false, src, writeAssembly=false)!!
val st = result.compilerAst.entrypoint.statements
st.size shouldBe 6
val value = (st[5] as Assignment).value as BinaryExpression
value.operator shouldBe "%"
}
test("isSame on binary expressions") {
val left1 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val right1 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val expr1 = BinaryExpression(left1, "/", right1, Position.DUMMY)
val left2 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val right2 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val expr2 = BinaryExpression(left2, "/", right2, Position.DUMMY)
(expr1 isSameAs expr2) shouldBe true
val left3 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val right3 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val expr3 = BinaryExpression(left3, "/", right3, Position.DUMMY)
(expr1 isSameAs expr3) shouldBe false
}
test("isSame on binary expressions with associative operators") {
val left1 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val right1 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val expr1 = BinaryExpression(left1, "+", right1, Position.DUMMY)
val left2 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val right2 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val expr2 = BinaryExpression(left2, "+", right2, Position.DUMMY)
(expr1 isSameAs expr2) shouldBe true
val left3 = NumericLiteral.optimalInteger(2, Position.DUMMY)
val right3 = NumericLiteral.optimalInteger(1, Position.DUMMY)
val expr3 = BinaryExpression(left3, "+", right3, Position.DUMMY)
(expr1 isSameAs expr3) shouldBe true
}
})