mirror of
https://github.com/irmen/prog8.git
synced 2024-11-30 08:52:30 +00:00
327 lines
13 KiB
Kotlin
327 lines
13 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.types.instanceOf
|
|
import prog8.ast.expressions.AddressOf
|
|
import prog8.ast.expressions.BinaryExpression
|
|
import prog8.ast.expressions.IdentifierReference
|
|
import prog8.ast.expressions.NumericLiteral
|
|
import prog8.ast.statements.Assignment
|
|
import prog8.ast.statements.Return
|
|
import prog8.ast.statements.VarDecl
|
|
import prog8.ast.statements.VarDeclType
|
|
import prog8.code.core.BaseDataType
|
|
import prog8.code.core.Position
|
|
import prog8.code.target.C64Target
|
|
import prog8.code.target.Cx16Target
|
|
import prog8tests.helpers.compileText
|
|
|
|
class TestConst: FunSpec({
|
|
|
|
test("const folding multiple scenarios +/-") {
|
|
val source = """
|
|
main {
|
|
const ubyte boardHeightC = 20
|
|
const ubyte boardOffsetC = 3
|
|
|
|
sub start() {
|
|
uword @shared load_location = 12345
|
|
word @shared llw = 12345
|
|
cx16.r0 = load_location + 8000 + 1000 + 1000
|
|
cx16.r2 = 8000 + 1000 + 1000 + load_location
|
|
cx16.r4 = load_location + boardOffsetC + boardHeightC - 1
|
|
cx16.r5s = llw - 900 - 999
|
|
cx16.r7s = llw - 900 + 999
|
|
}
|
|
}"""
|
|
val result = compileText(C64Target(), true, source, writeAssembly = false)!!
|
|
// expected:
|
|
// uword load_location
|
|
// load_location = 12345
|
|
// word llw
|
|
// llw = 12345
|
|
// cx16.r0 = load_location + 10000
|
|
// cx16.r2 = load_location + 10000
|
|
// cx16.r4 = load_location + 22
|
|
// cx16.r5s = llw - 1899
|
|
// cx16.r7s = llw + 99
|
|
val stmts = result.compilerAst.entrypoint.statements
|
|
stmts.size shouldBe 9
|
|
|
|
val addR0value = (stmts[4] as Assignment).value
|
|
val binexpr0 = addR0value as BinaryExpression
|
|
binexpr0.operator shouldBe "+"
|
|
binexpr0.right shouldBe NumericLiteral(BaseDataType.UWORD, 10000.0, Position.DUMMY)
|
|
val addR2value = (stmts[5] as Assignment).value
|
|
val binexpr2 = addR2value as BinaryExpression
|
|
binexpr2.operator shouldBe "+"
|
|
binexpr2.right shouldBe NumericLiteral(BaseDataType.UWORD, 10000.0, Position.DUMMY)
|
|
val addR4value = (stmts[6] as Assignment).value
|
|
val binexpr4 = addR4value as BinaryExpression
|
|
binexpr4.operator shouldBe "+"
|
|
binexpr4.right shouldBe NumericLiteral(BaseDataType.UWORD, 22.0, Position.DUMMY)
|
|
val subR5value = (stmts[7] as Assignment).value
|
|
val binexpr5 = subR5value as BinaryExpression
|
|
binexpr5.operator shouldBe "-"
|
|
binexpr5.right shouldBe NumericLiteral(BaseDataType.WORD, 1899.0, Position.DUMMY)
|
|
val subR7value = (stmts[8] as Assignment).value
|
|
val binexpr7 = subR7value as BinaryExpression
|
|
binexpr7.operator shouldBe "+"
|
|
binexpr7.right shouldBe NumericLiteral(BaseDataType.WORD, 99.0, Position.DUMMY)
|
|
}
|
|
|
|
test("const folding multiple scenarios * and / (floats)") {
|
|
val source = """
|
|
%option enable_floats
|
|
main {
|
|
sub start() {
|
|
float @shared llw = 300.0
|
|
float @shared result
|
|
result = 9 * 2 * 10 * llw
|
|
result++
|
|
result = llw * 9 * 2 * 10
|
|
result++
|
|
result = llw / 30 / 3
|
|
result++
|
|
result = llw / 2 * 10
|
|
result++
|
|
result = llw * 90 / 5
|
|
}
|
|
}"""
|
|
val result = compileText(C64Target(), true, source, writeAssembly = false)!!
|
|
// expected:
|
|
// float llw
|
|
// llw = 300.0
|
|
// float result
|
|
// result = llw * 180.0
|
|
// result++
|
|
// result = llw * 180.0
|
|
// result++
|
|
// result = llw / 90.0
|
|
// result++
|
|
// result = llw * 5.0
|
|
// result++
|
|
// result = llw * 18.0
|
|
val stmts = result.compilerAst.entrypoint.statements
|
|
stmts.size shouldBe 12
|
|
|
|
val mulR0Value = (stmts[3] as Assignment).value
|
|
val binexpr0 = mulR0Value as BinaryExpression
|
|
binexpr0.operator shouldBe "*"
|
|
binexpr0.right shouldBe NumericLiteral(BaseDataType.FLOAT, 180.0, Position.DUMMY)
|
|
val mulR1Value = (stmts[5] as Assignment).value
|
|
val binexpr1 = mulR1Value as BinaryExpression
|
|
binexpr1.operator shouldBe "*"
|
|
binexpr1.right shouldBe NumericLiteral(BaseDataType.FLOAT, 180.0, Position.DUMMY)
|
|
val divR2Value = (stmts[7] as Assignment).value
|
|
val binexpr2 = divR2Value as BinaryExpression
|
|
binexpr2.operator shouldBe "/"
|
|
binexpr2.right shouldBe NumericLiteral(BaseDataType.FLOAT, 90.0, Position.DUMMY)
|
|
val mulR3Value = (stmts[9] as Assignment).value
|
|
val binexpr3 = mulR3Value as BinaryExpression
|
|
binexpr3.operator shouldBe "*"
|
|
binexpr3.right shouldBe NumericLiteral(BaseDataType.FLOAT, 5.0, Position.DUMMY)
|
|
binexpr3.left shouldBe instanceOf<IdentifierReference>()
|
|
val mulR4Value = (stmts[11] as Assignment).value
|
|
val binexpr4 = mulR4Value as BinaryExpression
|
|
binexpr4.operator shouldBe "*"
|
|
binexpr4.right shouldBe NumericLiteral(BaseDataType.FLOAT, 18.0, Position.DUMMY)
|
|
binexpr4.left shouldBe instanceOf<IdentifierReference>()
|
|
}
|
|
|
|
test("const folding multiple scenarios * and / (integers)") {
|
|
val source = """
|
|
main {
|
|
sub start() {
|
|
word @shared llw = 300
|
|
cx16.r0s = 9 * 2 * 10 * llw
|
|
cx16.r1s = llw * 9 * 2 * 10
|
|
cx16.r2s = llw / 30 / 3
|
|
cx16.r3s = llw / 2 * 10
|
|
cx16.r4s = llw * 90 / 5 ; not optimized because of loss of integer division precision
|
|
}
|
|
}"""
|
|
val result = compileText(C64Target(), true, source, writeAssembly = false)!!
|
|
// expected:
|
|
// word llw
|
|
// llw = 300
|
|
// cx16.r0s = llw * 180
|
|
// cx16.r1s = llw * 180
|
|
// cx16.r2s = llw / 90
|
|
// cx16.r3s = llw /2 *10
|
|
// cx16.r4s = llw *90 /5
|
|
val stmts = result.compilerAst.entrypoint.statements
|
|
stmts.size shouldBe 7
|
|
|
|
val mulR0Value = (stmts[2] as Assignment).value
|
|
val binexpr0 = mulR0Value as BinaryExpression
|
|
binexpr0.operator shouldBe "*"
|
|
binexpr0.right shouldBe NumericLiteral(BaseDataType.WORD, 180.0, Position.DUMMY)
|
|
val mulR1Value = (stmts[3] as Assignment).value
|
|
val binexpr1 = mulR1Value as BinaryExpression
|
|
binexpr1.operator shouldBe "*"
|
|
binexpr1.right shouldBe NumericLiteral(BaseDataType.WORD, 180.0, Position.DUMMY)
|
|
val divR2Value = (stmts[4] as Assignment).value
|
|
val binexpr2 = divR2Value as BinaryExpression
|
|
binexpr2.operator shouldBe "/"
|
|
binexpr2.right shouldBe NumericLiteral(BaseDataType.WORD, 90.0, Position.DUMMY)
|
|
val mulR3Value = (stmts[5] as Assignment).value
|
|
val binexpr3 = mulR3Value as BinaryExpression
|
|
binexpr3.operator shouldBe "*"
|
|
binexpr3.right shouldBe NumericLiteral(BaseDataType.WORD, 10.0, Position.DUMMY)
|
|
binexpr3.left shouldBe instanceOf<BinaryExpression>()
|
|
val mulR4Value = (stmts[6] as Assignment).value
|
|
val binexpr4 = mulR4Value as BinaryExpression
|
|
binexpr4.operator shouldBe "/"
|
|
binexpr4.right shouldBe NumericLiteral(BaseDataType.WORD, 5.0, Position.DUMMY)
|
|
binexpr4.left shouldBe instanceOf<BinaryExpression>()
|
|
}
|
|
|
|
test("const folding and silently typecasted for initializervalues") {
|
|
val sourcecode = """
|
|
main {
|
|
sub start() {
|
|
const ubyte TEST = 10
|
|
byte @shared x1 = TEST as byte + 1
|
|
byte @shared x2 = 1 + TEST as byte
|
|
ubyte @shared y1 = TEST + 1 as byte
|
|
ubyte @shared y2 = 1 as byte + TEST
|
|
}
|
|
}
|
|
"""
|
|
val result = compileText(C64Target(), false, sourcecode)!!
|
|
val mainsub = result.compilerAst.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 NumericLiteral).number shouldBe 10.0
|
|
declX1.value shouldBe null
|
|
declX2.value shouldBe null
|
|
declY1.value shouldBe null
|
|
declY2.value shouldBe null
|
|
(initX1.value as NumericLiteral).type shouldBe BaseDataType.BYTE
|
|
(initX1.value as NumericLiteral).number shouldBe 11.0
|
|
(initX2.value as NumericLiteral).type shouldBe BaseDataType.BYTE
|
|
(initX2.value as NumericLiteral).number shouldBe 11.0
|
|
(initY1.value as NumericLiteral).type shouldBe BaseDataType.UBYTE
|
|
(initY1.value as NumericLiteral).number shouldBe 11.0
|
|
(initY2.value as NumericLiteral).type shouldBe BaseDataType.UBYTE
|
|
(initY2.value as NumericLiteral).number shouldBe 11.0
|
|
}
|
|
|
|
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("advanced const folding of known library functions") {
|
|
val src="""
|
|
%import floats
|
|
%import math
|
|
%import string
|
|
|
|
main {
|
|
sub start() {
|
|
float fl = 1.2 ; no other assignments
|
|
bool @shared result1 = string.isdigit(math.diff(119, floats.floor(floats.deg(fl)) as ubyte))
|
|
bool @shared result2 = string.isletter(math.diff(119, floats.floor(floats.deg(1.2)) as ubyte))
|
|
}
|
|
}"""
|
|
val result = compileText(Cx16Target(), true, src, writeAssembly = false)!!
|
|
val st = result.compilerAst.entrypoint.statements
|
|
st.size shouldBe 5
|
|
(st[0] as VarDecl).type shouldBe VarDeclType.CONST
|
|
val assignv1 = (st[2] as Assignment).value
|
|
val assignv2 = (st[4] as Assignment).value
|
|
(assignv1 as NumericLiteral).number shouldBe 1.0
|
|
(assignv2 as NumericLiteral).number shouldBe 0.0
|
|
}
|
|
|
|
test("const address-of memory mapped arrays") {
|
|
val src="""
|
|
main {
|
|
sub start() {
|
|
&uword[30] wb = ${'$'}2000
|
|
&uword[100] array1 = ${'$'}9e00
|
|
&uword[30] array2 = &array1[len(wb)]
|
|
|
|
cx16.r0 = &array1 ; ${'$'}9e00
|
|
cx16.r1 = &array1[len(wb)] ; ${'$'}9e3c
|
|
cx16.r2 = &array2 ; ${'$'}9e3c
|
|
}
|
|
}"""
|
|
val result = compileText(Cx16Target(), false, src, writeAssembly = false)!!
|
|
val st = result.compilerAst.entrypoint.statements
|
|
st.size shouldBe 6
|
|
((st[0] as VarDecl).value as NumericLiteral).number shouldBe 0x2000
|
|
((st[1] as VarDecl).value as NumericLiteral).number shouldBe 0x9e00
|
|
((st[2] as VarDecl).value as NumericLiteral).number shouldBe 0x9e00+2*30
|
|
((st[3] as Assignment).value as NumericLiteral).number shouldBe 0x9e00
|
|
((st[4] as Assignment).value as NumericLiteral).number shouldBe 0x9e00+2*30
|
|
((st[5] as Assignment).value as NumericLiteral).number shouldBe 0x9e00+2*30
|
|
}
|
|
|
|
test("address of a memory mapped variable") {
|
|
val src = """
|
|
main {
|
|
sub start() {
|
|
&ubyte mappedvar = 1000
|
|
cx16.r0 = &mappedvar
|
|
&ubyte[8] array = &mappedvar
|
|
cx16.r0 = &array
|
|
|
|
const uword HIGH_MEMORY_START = 40960
|
|
&uword[20] @shared wa = HIGH_MEMORY_START
|
|
}
|
|
}"""
|
|
val result = compileText(Cx16Target(), optimize=false, src, writeAssembly=true)!!
|
|
val st = result.compilerAst.entrypoint.statements
|
|
st.size shouldBe 7
|
|
val arrayDeclV = (st[2] as VarDecl).value
|
|
(arrayDeclV as NumericLiteral).number shouldBe 1000.0
|
|
val waDeclV = (st[5] as VarDecl).value
|
|
(waDeclV as NumericLiteral).number shouldBe 40960.0
|
|
}
|
|
|
|
test("address of a const uword pointer array expression") {
|
|
val src="""
|
|
main {
|
|
sub start() {
|
|
const uword buffer = ${'$'}2000
|
|
uword @shared addr = &buffer[2]
|
|
|
|
const ubyte width = 100
|
|
ubyte @shared i
|
|
ubyte @shared j
|
|
uword @shared addr2 = &buffer[i * width + j]
|
|
}
|
|
}"""
|
|
val result = compileText(Cx16Target(), true, src, writeAssembly = true)!!
|
|
val st = result.compilerAst.entrypoint.statements
|
|
st.size shouldBe 11
|
|
val assignAddr = (st[2] as Assignment).value
|
|
(assignAddr as NumericLiteral).number shouldBe 8194.0
|
|
val assignAddr2 = ((st[9] as Assignment).value as AddressOf)
|
|
assignAddr2.identifier.nameInSource shouldBe listOf("buffer")
|
|
assignAddr2.arrayIndex!!.indexExpr shouldBe instanceOf<BinaryExpression>()
|
|
}
|
|
})
|