added syscall() builtin functions (only useful for experimental code gen)

This commit is contained in:
Irmen de Jong 2022-03-17 01:19:58 +01:00
parent 92737bb695
commit a99e77093f
7 changed files with 711 additions and 661 deletions

View File

@ -129,6 +129,7 @@ internal class BuiltinFunctionsAsmGen(private val program: Program,
"cmp" -> funcCmp(fcall)
"callfar" -> funcCallFar(fcall)
"callrom" -> funcCallRom(fcall)
"syscall", "syscall1", "syscall2", "syscall3" -> throw AssemblyError("6502 assembly target doesn't use syscall function interface")
else -> throw AssemblyError("missing asmgen for builtin func ${func.name}")
}
}

View File

@ -1,12 +1,11 @@
package prog8.codegen.experimental
import prog8.code.*
import prog8.code.ast.*
import prog8.code.core.*
import javax.xml.stream.XMLOutputFactory
import kotlin.io.path.Path
import kotlin.io.path.absolutePathString
import kotlin.io.path.div
import prog8.code.SymbolTable
import prog8.code.ast.PtProgram
import prog8.code.core.CompilationOptions
import prog8.code.core.IAssemblyGenerator
import prog8.code.core.IAssemblyProgram
import prog8.code.core.IErrorReporter
/*
@ -25,663 +24,16 @@ class AsmGen(internal val program: PtProgram,
internal val options: CompilationOptions
): IAssemblyGenerator {
private lateinit var xml: IndentingXmlWriter
override fun compileToAssembly(): IAssemblyProgram? {
println("\n** experimental code generator **\n")
val writer = (options.outputDir / Path(program.name+"-ast.xml")).toFile().printWriter()
xml = IndentingXmlWriter(XMLOutputFactory.newFactory().createXMLStreamWriter(writer))
xml.doc()
xml.elt("program")
xml.attr("name", program.name)
xml.startChildren()
writeOptions(options)
program.children.forEach { writeNode(it) }
writeSymboltable(symbolTable)
xml.endElt()
xml.endDoc()
xml.close()
println("..todo: create assembly code into ${options.outputDir.toAbsolutePath()}..")
println("Writing AST into XML form...")
val xmlConv = AstToXmlConverter(program, symbolTable, options)
xmlConv.writeXml()
println("..todo: create assembly program into ${options.outputDir.toAbsolutePath()}..")
return AssemblyProgram("dummy")
}
private fun writeSymboltable(st: SymbolTable) {
xml.elt("symboltable")
xml.startChildren()
st.flat.forEach{ (name, entry) ->
xml.elt("entry")
xml.attr("name", name.joinToString("."))
xml.attr("type", entry.type.name)
xml.startChildren()
writeStNode(entry)
xml.endElt()
}
xml.endElt()
}
private fun writeStNode(node: StNode) {
when(node.type) {
StNodeType.GLOBAL,
StNodeType.LABEL,
StNodeType.BLOCK,
StNodeType.BUILTINFUNC,
StNodeType.SUBROUTINE -> {/* no additional info*/}
StNodeType.ROMSUB -> {
node as StRomSub
xml.elt("romsub")
xml.attr("address", node.address.toString())
xml.endElt()
}
StNodeType.STATICVAR -> {
node as StStaticVariable
xml.elt("var")
xml.attr("type", node.dt.name)
xml.attr("zpwish", node.zpwish.name)
if(node.arraysize!=null)
xml.attr("arraysize", node.arraysize.toString())
if(node.initialNumericValue!=null || node.initialArrayValue!=null || node.initialStringValue!=null) {
xml.startChildren()
if(node.initialNumericValue!=null) {
writeNumber(node.dt, node.initialNumericValue!!)
}
if(node.initialStringValue!=null) {
xml.writeTextNode(
"string",
listOf(Pair("encoding", node.initialStringValue!!.second.name)),
node.initialStringValue!!.first,
false
)
}
if(node.initialArrayValue!=null) {
xml.elt("array")
xml.startChildren()
val eltDt = ArrayToElementTypes.getValue(node.dt)
node.initialArrayValue!!.forEach {
if(it.number!=null) {
writeNumber(eltDt, it.number!!)
}
if(it.addressOf!=null) {
xml.elt("addressof")
xml.attr("symbol", it.addressOf!!.joinToString("."))
xml.endElt()
}
}
xml.endElt()
}
}
xml.endElt()
}
StNodeType.MEMVAR -> {
node as StMemVar
xml.writeTextNode("memvar",
listOf(Pair("type", node.dt.name)),
node.address.toString(),
false)
}
StNodeType.CONSTANT -> {
node as StConstant
xml.writeTextNode("const",
listOf(Pair("type", node.dt.name)),
intOrDouble(node.dt, node.value).toString(),
false)
}
}
}
private fun writeOptions(options: CompilationOptions) {
xml.elt("options")
xml.attr("target", options.compTarget.name)
xml.attr("output", options.output.name)
xml.attr("launcher", options.launcher.name)
xml.attr("zeropage", options.zeropage.name)
xml.attr("loadaddress", options.loadAddress.toString())
xml.attr("floatsenabled", options.floats.toString())
xml.attr("nosysinit", options.noSysInit.toString())
xml.attr("dontreinitglobals", options.dontReinitGlobals.toString())
xml.attr("optimize", options.optimize.toString())
if(options.zpReserved.isNotEmpty()) {
xml.startChildren()
options.zpReserved.forEach {
xml.elt("zpreserved")
xml.attr("from", it.first.toString())
xml.attr("to", it.last.toString())
xml.endElt()
}
}
xml.endElt()
}
private fun writeNode(it: PtNode) {
when(it) {
is PtBlock -> write(it)
is PtSub -> write(it)
is PtVariable -> write(it)
is PtAssignment -> write(it)
is PtConstant -> write(it)
is PtAsmSub -> write(it)
is PtAddressOf -> write(it)
is PtArrayIndexer -> write(it)
is PtArrayLiteral -> write(it)
is PtBinaryExpression -> write(it)
is PtBuiltinFunctionCall -> write(it)
is PtConditionalBranch -> write(it)
is PtContainmentCheck -> write(it)
is PtForLoop -> write(it)
is PtFunctionCall -> write(it)
is PtGosub -> write(it)
is PtIdentifier -> write(it)
is PtIfElse -> write(it)
is PtInlineAssembly -> write(it)
is PtInlineBinary -> write(it)
is PtJump -> write(it)
is PtMemoryByte -> write(it)
is PtMemMapped -> write(it)
is PtNumber -> write(it)
is PtPipe -> write(it)
is PtPostIncrDecr -> write(it)
is PtPrefix -> write(it)
is PtRange -> write(it)
is PtRepeatLoop -> write(it)
is PtReturn -> write(it)
is PtString -> write(it)
is PtTypeCast -> write(it)
is PtWhen -> write(it)
is PtWhenChoice -> write(it)
is PtLabel -> write(it)
is PtNop -> {}
is PtBreakpoint -> write(it)
is PtNodeGroup -> it.children.forEach { writeNode(it) }
else -> TODO("$it")
}
}
private fun write(breakPt: PtBreakpoint) {
xml.elt("breakpoint")
xml.pos(breakPt.position)
xml.endElt()
}
private fun write(pipe: PtPipe) {
xml.elt("pipe")
xml.attr("type", pipe.type.name)
xml.startChildren()
pipe.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(array: PtArrayLiteral) {
xml.elt("array")
xml.attr("type", array.type.name)
xml.startChildren()
array.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(prefix: PtPrefix) {
xml.elt("prefix")
xml.attr("op", prefix.operator)
xml.attr("type", prefix.type.name)
xml.startChildren()
xml.elt("value")
xml.startChildren()
writeNode(prefix.value)
xml.endElt()
xml.endElt()
}
private fun write(string: PtString) =
xml.writeTextNode("string", listOf(Pair("encoding", string.encoding.name)), string.value, false)
private fun write(rept: PtRepeatLoop) {
xml.elt("repeat")
xml.pos(rept.position)
xml.startChildren()
xml.elt("count")
xml.startChildren()
writeNode(rept.count)
xml.endElt()
xml.elt("statements")
writeNode(rept.statements)
xml.endElt()
xml.endElt()
}
private fun write(branch: PtConditionalBranch) {
xml.elt("conditionalbranch")
xml.attr("condition", branch.condition.name)
xml.pos(branch.position)
xml.startChildren()
xml.elt("true")
xml.startChildren()
writeNode(branch.trueScope)
xml.endElt()
if(branch.falseScope.children.isNotEmpty()) {
xml.elt("false")
xml.startChildren()
writeNode(branch.falseScope)
xml.endElt()
}
xml.endElt()
}
private fun write(check: PtContainmentCheck) {
xml.elt("containment")
xml.attr("type", check.type.name)
xml.startChildren()
xml.elt("element")
xml.startChildren()
writeNode(check.element)
xml.endElt()
xml.elt("iterable")
xml.startChildren()
writeNode(check.iterable)
xml.endElt()
xml.endElt()
}
private fun write(range: PtRange) {
xml.elt("range")
xml.attr("type", range.type.name)
xml.startChildren()
xml.elt("from")
xml.startChildren()
writeNode(range.from)
xml.endElt()
xml.elt("to")
xml.startChildren()
writeNode(range.to)
xml.endElt()
xml.elt("step")
xml.startChildren()
writeNode(range.step)
xml.endElt()
xml.endElt()
}
private fun write(forLoop: PtForLoop) {
xml.elt("for")
xml.attr("loopvar", strTargetName(forLoop.variable))
xml.pos(forLoop.position)
xml.startChildren()
xml.elt("iterable")
xml.startChildren()
writeNode(forLoop.iterable)
xml.endElt()
xml.elt("statements")
xml.startChildren()
writeNode(forLoop.statements)
xml.endElt()
xml.endElt()
}
private fun write(membyte: PtMemoryByte) {
xml.elt("membyte")
xml.attr("type", membyte.type.name)
xml.startChildren()
xml.elt("address")
xml.startChildren()
writeNode(membyte.address)
xml.endElt()
xml.endElt()
}
private fun write(whenStmt: PtWhen) {
xml.elt("when")
xml.pos(whenStmt.position)
xml.startChildren()
xml.elt("value")
xml.startChildren()
writeNode(whenStmt.value)
xml.endElt()
xml.elt("choices")
xml.startChildren()
writeNode(whenStmt.choices)
xml.endElt()
xml.endElt()
}
private fun write(choice: PtWhenChoice) {
xml.elt("choice")
if(choice.isElse) {
xml.attr("else", "true")
xml.startChildren()
} else {
xml.startChildren()
xml.elt("values")
xml.startChildren()
writeNode(choice.values)
xml.endElt()
}
xml.elt("statements")
xml.startChildren()
writeNode(choice.statements)
xml.endElt()
xml.endElt()
}
private fun write(inlineAsm: PtInlineAssembly) {
xml.elt("assembly")
xml.pos(inlineAsm.position)
xml.startChildren()
xml.writeTextNode("code", emptyList(), inlineAsm.assembly)
xml.endElt()
}
private fun write(inlineBinary: PtInlineBinary) {
xml.elt("binary")
xml.attr("filename", inlineBinary.file.absolutePathString())
if(inlineBinary.offset!=null)
xml.attr("offset", inlineBinary.offset!!.toString())
if(inlineBinary.length!=null)
xml.attr("length", inlineBinary.length!!.toString())
xml.pos(inlineBinary.position)
xml.endElt()
}
private fun write(fcall: PtBuiltinFunctionCall) {
xml.elt("builtinfcall")
xml.attr("name", fcall.name)
if(fcall.void)
xml.attr("type", "VOID")
else
xml.attr("type", fcall.type.name)
xml.startChildren()
fcall.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(cast: PtTypeCast) {
xml.elt("cast")
xml.attr("type", cast.type.name)
xml.startChildren()
writeNode(cast.value)
xml.endElt()
}
private fun write(aix: PtArrayIndexer) {
xml.elt("arrayindexed")
xml.attr("type", aix.type.name)
xml.startChildren()
write(aix.variable)
writeNode(aix.index)
xml.endElt()
}
private fun write(binexpr: PtBinaryExpression) {
xml.elt("binexpr")
xml.attr("op", binexpr.operator)
xml.attr("type", binexpr.type.name)
xml.startChildren()
writeNode(binexpr.left)
writeNode(binexpr.right)
xml.endElt()
}
private fun write(addrof: PtAddressOf) {
xml.elt("addressof")
xml.attr("symbol", strTargetName(addrof.identifier))
xml.endElt()
}
private fun write(fcall: PtFunctionCall) {
xml.elt("fcall")
xml.attr("name", strTargetName(fcall))
if(fcall.void)
xml.attr("type", "VOID")
else
xml.attr("type", fcall.type.name)
xml.pos(fcall.position)
xml.startChildren()
fcall.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(number: PtNumber) = writeNumber(number.type, number.number)
private fun writeNumber(type: DataType, number: Double) =
xml.writeTextNode("number", listOf(Pair("type", type.name)), intOrDouble(type, number).toString(), false)
private fun write(symbol: PtIdentifier) {
xml.elt("symbol")
xml.attr("name", strTargetName(symbol))
xml.attr("type", symbol.type.name)
xml.endElt()
}
private fun write(assign: PtAssignment) {
xml.elt("assign")
xml.attr("aug", assign.augmentable.toString())
xml.pos(assign.position)
xml.startChildren()
write(assign.target)
writeNode(assign.value)
xml.endElt()
}
private fun write(ifElse: PtIfElse) {
xml.elt("ifelse")
xml.pos(ifElse.position)
xml.startChildren()
xml.elt("condition")
xml.startChildren()
writeNode(ifElse.condition)
xml.endElt()
xml.elt("true")
xml.pos(ifElse.ifScope.position)
xml.startChildren()
writeNode(ifElse.ifScope)
xml.endElt()
if(ifElse.elseScope.children.isNotEmpty()) {
xml.elt("false")
xml.pos(ifElse.elseScope.position)
xml.startChildren()
writeNode(ifElse.elseScope)
xml.endElt()
}
xml.endElt()
}
private fun write(ret: PtReturn) {
xml.elt("return")
if(ret.hasValue) {
xml.startChildren()
writeNode(ret.value!!)
}
xml.endElt()
}
private fun write(incdec: PtPostIncrDecr) {
if(incdec.operator=="++") xml.elt("inc") else xml.elt("dec")
xml.startChildren()
write(incdec.target)
xml.endElt()
}
private fun write(label: PtLabel) {
xml.elt("label")
xml.attr("name", label.scopedName.joinToString("."))
xml.pos(label.position)
xml.endElt()
}
private fun write(block: PtBlock) {
xml.elt("block")
xml.attr("name", block.scopedName.joinToString("."))
if(block.address!=null)
xml.attr("address", block.address!!.toString())
xml.attr("library", block.library.toString())
xml.pos(block.position)
xml.startChildren()
block.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(memMapped: PtMemMapped) {
xml.writeTextNode("memvar",
listOf(
Pair("name", memMapped.scopedName.joinToString(".")),
Pair("type", memMapped.type.name)
),
memMapped.address.toString(),
false)
}
private fun write(target: PtAssignTarget) {
xml.elt("target")
xml.startChildren()
if(target.identifier!=null) {
writeNode(target.identifier!!)
} else if(target.memory!=null) {
writeNode(target.memory!!)
} else if(target.array!=null) {
writeNode(target.array!!)
} else
throw InternalCompilerException("weird assign target")
xml.endElt()
}
private fun write(jump: PtJump) {
xml.elt("jump")
if(jump.identifier!=null) xml.attr("symbol", strTargetName(jump.identifier!!))
else if(jump.address!=null) xml.attr("address", jump.address!!.toString())
else if(jump.generatedLabel!=null) xml.attr("label", jump.generatedLabel!!)
else
throw InternalCompilerException("weird jump target")
xml.endElt()
}
private fun write(gosub: PtGosub) {
xml.elt("gosub")
if(gosub.identifier!=null) xml.attr("symbol", strTargetName(gosub.identifier!!))
else if(gosub.address!=null) xml.attr("address", gosub.address!!.toString())
else if(gosub.generatedLabel!=null) xml.attr("label", gosub.generatedLabel!!)
else
throw InternalCompilerException("weird jump target")
xml.endElt()
}
private fun write(sub: PtSub) {
xml.elt("sub")
xml.attr("name", sub.scopedName.joinToString("."))
if(sub.inline)
xml.attr("inline", "true")
xml.attr("returntype", sub.returntype?.toString() ?: "VOID")
xml.pos(sub.position)
xml.startChildren()
if(sub.parameters.isNotEmpty()) {
xml.elt("parameters")
xml.startChildren()
sub.parameters.forEach { write(it) }
xml.endElt()
}
xml.elt("statements")
xml.startChildren()
sub.children.forEach { writeNode(it) }
xml.endElt()
xml.endElt()
}
private fun write(parameter: PtSubroutineParameter, registerOrStatusflag: RegisterOrStatusflag? = null) {
xml.elt("param")
xml.attr("name", parameter.name)
xml.attr("type", parameter.type.name)
if(registerOrStatusflag?.statusflag!=null) {
xml.attr("statusflag", registerOrStatusflag.statusflag!!.toString())
}
if(registerOrStatusflag?.registerOrPair!=null){
xml.attr("registers", registerOrStatusflag.registerOrPair!!.name)
}
xml.endElt()
}
private fun write(asmSub: PtAsmSub) {
if(asmSub.address!=null) {
xml.elt("romsub")
xml.attr("name", asmSub.scopedName.joinToString("."))
xml.attr("address", asmSub.address!!.toString())
if(asmSub.inline)
xml.attr("inline", "true")
xml.pos(asmSub.position)
xml.startChildren()
paramsEtcetera(asmSub)
xml.endElt()
}
else {
xml.elt("asmsub")
xml.attr("name", asmSub.scopedName.joinToString("."))
if(asmSub.inline)
xml.attr("inline", "true")
xml.pos(asmSub.position)
xml.startChildren()
paramsEtcetera(asmSub)
xml.elt("code")
xml.startChildren()
asmSub.children.forEach { writeNode(it) }
xml.endElt()
xml.endElt()
}
}
private fun paramsEtcetera(asmSub: PtAsmSub) {
if(asmSub.parameters.isNotEmpty()) {
xml.elt("parameters")
xml.startChildren()
asmSub.parameters.forEach { (param, reg) -> write(param, reg) }
xml.endElt()
}
if(asmSub.clobbers.isNotEmpty()) {
xml.elt("clobbers")
xml.attr("registers", asmSub.clobbers.map {it.name}.joinToString(","))
xml.endElt()
}
if(asmSub.retvalRegisters.isNotEmpty()) {
xml.elt("returns")
xml.startChildren()
asmSub.retvalRegisters.forEach {
xml.elt("register")
if(it.statusflag!=null)
xml.attr("statusflag", it.statusflag!!.toString())
if(it.registerOrPair!=null)
xml.attr("registers", it.registerOrPair!!.toString())
xml.endElt()
}
xml.endElt()
}
}
private fun write(constant: PtConstant) {
xml.writeTextNode("const",
listOf(
Pair("name", constant.scopedName.joinToString(".")),
Pair("type", constant.type.name)
),
intOrDouble(constant.type, constant.value).toString(), false)
}
private fun write(variable: PtVariable) {
// the variable declaration nodes are still present in the Ast,
// but the Symboltable should be used look up their details.
xml.elt("vardecl")
xml.attr("name", variable.scopedName.joinToString("."))
xml.attr("type", variable.type.name)
if(variable.arraySize!=null)
xml.attr("arraysize", variable.arraySize.toString())
if(variable.value!=null) {
// static initialization value
xml.startChildren()
writeNode(variable.value!!)
}
xml.endElt()
}
private fun strTargetName(ident: PtIdentifier): String = ident.targetName.joinToString(".")
private fun strTargetName(call: PtFunctionCall): String = call.functionName.joinToString(".")
private fun intOrDouble(type: DataType, value: Double): Number =
if(type in IntegerDatatypes) value.toInt() else value
}

View File

@ -8,6 +8,6 @@ internal class AssemblyProgram(override val name: String) : IAssemblyProgram
{
override fun assemble(options: CompilationOptions): Boolean {
println("..todo: assemble code into binary..")
return false
return true
}
}

View File

@ -0,0 +1,681 @@
package prog8.codegen.experimental
import prog8.code.*
import prog8.code.ast.*
import prog8.code.core.*
import javax.xml.stream.XMLOutputFactory
import kotlin.io.path.Path
import kotlin.io.path.absolutePathString
import kotlin.io.path.div
/*
NOTE: The goal is to keep the dependencies as lean as possible! For now, we depend only on:
- codeAst (the 'lean' new AST and the SymbolTable)
- codeCore (various base enums and interfaces)
This *should* be enough to build a complete code generator with. But we'll see :)
*/
class AstToXmlConverter(internal val program: PtProgram,
internal val symbolTable: SymbolTable,
internal val options: CompilationOptions
) {
private lateinit var xml: IndentingXmlWriter
fun writeXml() {
val writer = (options.outputDir / Path(program.name+"-ast.xml")).toFile().printWriter()
xml = IndentingXmlWriter(XMLOutputFactory.newFactory().createXMLStreamWriter(writer))
xml.doc()
xml.elt("program")
xml.attr("name", program.name)
xml.startChildren()
writeOptions(options)
program.children.forEach { writeNode(it) }
writeSymboltable(symbolTable)
xml.endElt()
xml.endDoc()
xml.close()
}
private fun writeSymboltable(st: SymbolTable) {
xml.elt("symboltable")
xml.startChildren()
st.flat.forEach{ (name, entry) ->
xml.elt("entry")
xml.attr("name", name.joinToString("."))
xml.attr("type", entry.type.name)
xml.startChildren()
writeStNode(entry)
xml.endElt()
}
xml.endElt()
}
private fun writeStNode(node: StNode) {
when(node.type) {
StNodeType.GLOBAL,
StNodeType.LABEL,
StNodeType.BLOCK,
StNodeType.BUILTINFUNC,
StNodeType.SUBROUTINE -> {/* no additional info*/}
StNodeType.ROMSUB -> {
node as StRomSub
xml.elt("romsub")
xml.attr("address", node.address.toString())
xml.endElt()
}
StNodeType.STATICVAR -> {
node as StStaticVariable
xml.elt("var")
xml.attr("type", node.dt.name)
xml.attr("zpwish", node.zpwish.name)
if(node.arraysize!=null)
xml.attr("arraysize", node.arraysize.toString())
if(node.initialNumericValue!=null || node.initialArrayValue!=null || node.initialStringValue!=null) {
xml.startChildren()
if(node.initialNumericValue!=null) {
writeNumber(node.dt, node.initialNumericValue!!)
}
if(node.initialStringValue!=null) {
xml.writeTextNode(
"string",
listOf(Pair("encoding", node.initialStringValue!!.second.name)),
node.initialStringValue!!.first,
false
)
}
if(node.initialArrayValue!=null) {
xml.elt("array")
xml.startChildren()
val eltDt = ArrayToElementTypes.getValue(node.dt)
node.initialArrayValue!!.forEach {
if(it.number!=null) {
writeNumber(eltDt, it.number!!)
}
if(it.addressOf!=null) {
xml.elt("addressof")
xml.attr("symbol", it.addressOf!!.joinToString("."))
xml.endElt()
}
}
xml.endElt()
}
}
xml.endElt()
}
StNodeType.MEMVAR -> {
node as StMemVar
xml.writeTextNode("memvar",
listOf(Pair("type", node.dt.name)),
node.address.toString(),
false)
}
StNodeType.CONSTANT -> {
node as StConstant
xml.writeTextNode("const",
listOf(Pair("type", node.dt.name)),
intOrDouble(node.dt, node.value).toString(),
false)
}
}
}
private fun writeOptions(options: CompilationOptions) {
xml.elt("options")
xml.attr("target", options.compTarget.name)
xml.attr("output", options.output.name)
xml.attr("launcher", options.launcher.name)
xml.attr("zeropage", options.zeropage.name)
xml.attr("loadaddress", options.loadAddress.toString())
xml.attr("floatsenabled", options.floats.toString())
xml.attr("nosysinit", options.noSysInit.toString())
xml.attr("dontreinitglobals", options.dontReinitGlobals.toString())
xml.attr("optimize", options.optimize.toString())
if(options.zpReserved.isNotEmpty()) {
xml.startChildren()
options.zpReserved.forEach {
xml.elt("zpreserved")
xml.attr("from", it.first.toString())
xml.attr("to", it.last.toString())
xml.endElt()
}
}
xml.endElt()
}
private fun writeNode(it: PtNode) {
when(it) {
is PtBlock -> write(it)
is PtSub -> write(it)
is PtVariable -> write(it)
is PtAssignment -> write(it)
is PtConstant -> write(it)
is PtAsmSub -> write(it)
is PtAddressOf -> write(it)
is PtArrayIndexer -> write(it)
is PtArrayLiteral -> write(it)
is PtBinaryExpression -> write(it)
is PtBuiltinFunctionCall -> write(it)
is PtConditionalBranch -> write(it)
is PtContainmentCheck -> write(it)
is PtForLoop -> write(it)
is PtFunctionCall -> write(it)
is PtGosub -> write(it)
is PtIdentifier -> write(it)
is PtIfElse -> write(it)
is PtInlineAssembly -> write(it)
is PtInlineBinary -> write(it)
is PtJump -> write(it)
is PtMemoryByte -> write(it)
is PtMemMapped -> write(it)
is PtNumber -> write(it)
is PtPipe -> write(it)
is PtPostIncrDecr -> write(it)
is PtPrefix -> write(it)
is PtRange -> write(it)
is PtRepeatLoop -> write(it)
is PtReturn -> write(it)
is PtString -> write(it)
is PtTypeCast -> write(it)
is PtWhen -> write(it)
is PtWhenChoice -> write(it)
is PtLabel -> write(it)
is PtNop -> {}
is PtBreakpoint -> write(it)
is PtNodeGroup -> it.children.forEach { writeNode(it) }
else -> TODO("$it")
}
}
private fun write(breakPt: PtBreakpoint) {
xml.elt("breakpoint")
xml.pos(breakPt.position)
xml.endElt()
}
private fun write(pipe: PtPipe) {
xml.elt("pipe")
xml.attr("type", pipe.type.name)
xml.startChildren()
pipe.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(array: PtArrayLiteral) {
xml.elt("array")
xml.attr("type", array.type.name)
xml.startChildren()
array.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(prefix: PtPrefix) {
xml.elt("prefix")
xml.attr("op", prefix.operator)
xml.attr("type", prefix.type.name)
xml.startChildren()
xml.elt("value")
xml.startChildren()
writeNode(prefix.value)
xml.endElt()
xml.endElt()
}
private fun write(string: PtString) =
xml.writeTextNode("string", listOf(Pair("encoding", string.encoding.name)), string.value, false)
private fun write(rept: PtRepeatLoop) {
xml.elt("repeat")
xml.pos(rept.position)
xml.startChildren()
xml.elt("count")
xml.startChildren()
writeNode(rept.count)
xml.endElt()
xml.elt("statements")
writeNode(rept.statements)
xml.endElt()
xml.endElt()
}
private fun write(branch: PtConditionalBranch) {
xml.elt("conditionalbranch")
xml.attr("condition", branch.condition.name)
xml.pos(branch.position)
xml.startChildren()
xml.elt("true")
xml.startChildren()
writeNode(branch.trueScope)
xml.endElt()
if(branch.falseScope.children.isNotEmpty()) {
xml.elt("false")
xml.startChildren()
writeNode(branch.falseScope)
xml.endElt()
}
xml.endElt()
}
private fun write(check: PtContainmentCheck) {
xml.elt("containment")
xml.attr("type", check.type.name)
xml.startChildren()
xml.elt("element")
xml.startChildren()
writeNode(check.element)
xml.endElt()
xml.elt("iterable")
xml.startChildren()
writeNode(check.iterable)
xml.endElt()
xml.endElt()
}
private fun write(range: PtRange) {
xml.elt("range")
xml.attr("type", range.type.name)
xml.startChildren()
xml.elt("from")
xml.startChildren()
writeNode(range.from)
xml.endElt()
xml.elt("to")
xml.startChildren()
writeNode(range.to)
xml.endElt()
xml.elt("step")
xml.startChildren()
writeNode(range.step)
xml.endElt()
xml.endElt()
}
private fun write(forLoop: PtForLoop) {
xml.elt("for")
xml.attr("loopvar", strTargetName(forLoop.variable))
xml.pos(forLoop.position)
xml.startChildren()
xml.elt("iterable")
xml.startChildren()
writeNode(forLoop.iterable)
xml.endElt()
xml.elt("statements")
xml.startChildren()
writeNode(forLoop.statements)
xml.endElt()
xml.endElt()
}
private fun write(membyte: PtMemoryByte) {
xml.elt("membyte")
xml.attr("type", membyte.type.name)
xml.startChildren()
xml.elt("address")
xml.startChildren()
writeNode(membyte.address)
xml.endElt()
xml.endElt()
}
private fun write(whenStmt: PtWhen) {
xml.elt("when")
xml.pos(whenStmt.position)
xml.startChildren()
xml.elt("value")
xml.startChildren()
writeNode(whenStmt.value)
xml.endElt()
xml.elt("choices")
xml.startChildren()
writeNode(whenStmt.choices)
xml.endElt()
xml.endElt()
}
private fun write(choice: PtWhenChoice) {
xml.elt("choice")
if(choice.isElse) {
xml.attr("else", "true")
xml.startChildren()
} else {
xml.startChildren()
xml.elt("values")
xml.startChildren()
writeNode(choice.values)
xml.endElt()
}
xml.elt("statements")
xml.startChildren()
writeNode(choice.statements)
xml.endElt()
xml.endElt()
}
private fun write(inlineAsm: PtInlineAssembly) {
xml.elt("assembly")
xml.pos(inlineAsm.position)
xml.startChildren()
xml.writeTextNode("code", emptyList(), inlineAsm.assembly)
xml.endElt()
}
private fun write(inlineBinary: PtInlineBinary) {
xml.elt("binary")
xml.attr("filename", inlineBinary.file.absolutePathString())
if(inlineBinary.offset!=null)
xml.attr("offset", inlineBinary.offset!!.toString())
if(inlineBinary.length!=null)
xml.attr("length", inlineBinary.length!!.toString())
xml.pos(inlineBinary.position)
xml.endElt()
}
private fun write(fcall: PtBuiltinFunctionCall) {
xml.elt("builtinfcall")
xml.attr("name", fcall.name)
if(fcall.void)
xml.attr("type", "VOID")
else
xml.attr("type", fcall.type.name)
xml.startChildren()
fcall.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(cast: PtTypeCast) {
xml.elt("cast")
xml.attr("type", cast.type.name)
xml.startChildren()
writeNode(cast.value)
xml.endElt()
}
private fun write(aix: PtArrayIndexer) {
xml.elt("arrayindexed")
xml.attr("type", aix.type.name)
xml.startChildren()
write(aix.variable)
writeNode(aix.index)
xml.endElt()
}
private fun write(binexpr: PtBinaryExpression) {
xml.elt("binexpr")
xml.attr("op", binexpr.operator)
xml.attr("type", binexpr.type.name)
xml.startChildren()
writeNode(binexpr.left)
writeNode(binexpr.right)
xml.endElt()
}
private fun write(addrof: PtAddressOf) {
xml.elt("addressof")
xml.attr("symbol", strTargetName(addrof.identifier))
xml.endElt()
}
private fun write(fcall: PtFunctionCall) {
xml.elt("fcall")
xml.attr("name", strTargetName(fcall))
if(fcall.void)
xml.attr("type", "VOID")
else
xml.attr("type", fcall.type.name)
xml.pos(fcall.position)
xml.startChildren()
fcall.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(number: PtNumber) = writeNumber(number.type, number.number)
private fun writeNumber(type: DataType, number: Double) =
xml.writeTextNode("number", listOf(Pair("type", type.name)), intOrDouble(type, number).toString(), false)
private fun write(symbol: PtIdentifier) {
xml.elt("symbol")
xml.attr("name", strTargetName(symbol))
xml.attr("type", symbol.type.name)
xml.endElt()
}
private fun write(assign: PtAssignment) {
xml.elt("assign")
xml.attr("aug", assign.augmentable.toString())
xml.pos(assign.position)
xml.startChildren()
write(assign.target)
writeNode(assign.value)
xml.endElt()
}
private fun write(ifElse: PtIfElse) {
xml.elt("ifelse")
xml.pos(ifElse.position)
xml.startChildren()
xml.elt("condition")
xml.startChildren()
writeNode(ifElse.condition)
xml.endElt()
xml.elt("true")
xml.pos(ifElse.ifScope.position)
xml.startChildren()
writeNode(ifElse.ifScope)
xml.endElt()
if(ifElse.elseScope.children.isNotEmpty()) {
xml.elt("false")
xml.pos(ifElse.elseScope.position)
xml.startChildren()
writeNode(ifElse.elseScope)
xml.endElt()
}
xml.endElt()
}
private fun write(ret: PtReturn) {
xml.elt("return")
if(ret.hasValue) {
xml.startChildren()
writeNode(ret.value!!)
}
xml.endElt()
}
private fun write(incdec: PtPostIncrDecr) {
if(incdec.operator=="++") xml.elt("inc") else xml.elt("dec")
xml.startChildren()
write(incdec.target)
xml.endElt()
}
private fun write(label: PtLabel) {
xml.elt("label")
xml.attr("name", label.scopedName.joinToString("."))
xml.pos(label.position)
xml.endElt()
}
private fun write(block: PtBlock) {
xml.elt("block")
xml.attr("name", block.scopedName.joinToString("."))
if(block.address!=null)
xml.attr("address", block.address!!.toString())
xml.attr("library", block.library.toString())
xml.pos(block.position)
xml.startChildren()
block.children.forEach { writeNode(it) }
xml.endElt()
}
private fun write(memMapped: PtMemMapped) {
xml.writeTextNode("memvar",
listOf(
Pair("name", memMapped.scopedName.joinToString(".")),
Pair("type", memMapped.type.name)
),
memMapped.address.toString(),
false)
}
private fun write(target: PtAssignTarget) {
xml.elt("target")
xml.startChildren()
if(target.identifier!=null) {
writeNode(target.identifier!!)
} else if(target.memory!=null) {
writeNode(target.memory!!)
} else if(target.array!=null) {
writeNode(target.array!!)
} else
throw InternalCompilerException("weird assign target")
xml.endElt()
}
private fun write(jump: PtJump) {
xml.elt("jump")
if(jump.identifier!=null) xml.attr("symbol", strTargetName(jump.identifier!!))
else if(jump.address!=null) xml.attr("address", jump.address!!.toString())
else if(jump.generatedLabel!=null) xml.attr("label", jump.generatedLabel!!)
else
throw InternalCompilerException("weird jump target")
xml.endElt()
}
private fun write(gosub: PtGosub) {
xml.elt("gosub")
if(gosub.identifier!=null) xml.attr("symbol", strTargetName(gosub.identifier!!))
else if(gosub.address!=null) xml.attr("address", gosub.address!!.toString())
else if(gosub.generatedLabel!=null) xml.attr("label", gosub.generatedLabel!!)
else
throw InternalCompilerException("weird jump target")
xml.endElt()
}
private fun write(sub: PtSub) {
xml.elt("sub")
xml.attr("name", sub.scopedName.joinToString("."))
if(sub.inline)
xml.attr("inline", "true")
xml.attr("returntype", sub.returntype?.toString() ?: "VOID")
xml.pos(sub.position)
xml.startChildren()
if(sub.parameters.isNotEmpty()) {
xml.elt("parameters")
xml.startChildren()
sub.parameters.forEach { write(it) }
xml.endElt()
}
xml.elt("statements")
xml.startChildren()
sub.children.forEach { writeNode(it) }
xml.endElt()
xml.endElt()
}
private fun write(parameter: PtSubroutineParameter, registerOrStatusflag: RegisterOrStatusflag? = null) {
xml.elt("param")
xml.attr("name", parameter.name)
xml.attr("type", parameter.type.name)
if(registerOrStatusflag?.statusflag!=null) {
xml.attr("statusflag", registerOrStatusflag.statusflag!!.toString())
}
if(registerOrStatusflag?.registerOrPair!=null){
xml.attr("registers", registerOrStatusflag.registerOrPair!!.name)
}
xml.endElt()
}
private fun write(asmSub: PtAsmSub) {
if(asmSub.address!=null) {
xml.elt("romsub")
xml.attr("name", asmSub.scopedName.joinToString("."))
xml.attr("address", asmSub.address!!.toString())
if(asmSub.inline)
xml.attr("inline", "true")
xml.pos(asmSub.position)
xml.startChildren()
paramsEtcetera(asmSub)
xml.endElt()
}
else {
xml.elt("asmsub")
xml.attr("name", asmSub.scopedName.joinToString("."))
if(asmSub.inline)
xml.attr("inline", "true")
xml.pos(asmSub.position)
xml.startChildren()
paramsEtcetera(asmSub)
xml.elt("code")
xml.startChildren()
asmSub.children.forEach { writeNode(it) }
xml.endElt()
xml.endElt()
}
}
private fun paramsEtcetera(asmSub: PtAsmSub) {
if(asmSub.parameters.isNotEmpty()) {
xml.elt("parameters")
xml.startChildren()
asmSub.parameters.forEach { (param, reg) -> write(param, reg) }
xml.endElt()
}
if(asmSub.clobbers.isNotEmpty()) {
xml.elt("clobbers")
xml.attr("registers", asmSub.clobbers.map {it.name}.joinToString(","))
xml.endElt()
}
if(asmSub.retvalRegisters.isNotEmpty()) {
xml.elt("returns")
xml.startChildren()
asmSub.retvalRegisters.forEach {
xml.elt("register")
if(it.statusflag!=null)
xml.attr("statusflag", it.statusflag!!.toString())
if(it.registerOrPair!=null)
xml.attr("registers", it.registerOrPair!!.toString())
xml.endElt()
}
xml.endElt()
}
}
private fun write(constant: PtConstant) {
xml.writeTextNode("const",
listOf(
Pair("name", constant.scopedName.joinToString(".")),
Pair("type", constant.type.name)
),
intOrDouble(constant.type, constant.value).toString(), false)
}
private fun write(variable: PtVariable) {
// the variable declaration nodes are still present in the Ast,
// but the Symboltable should be used look up their details.
xml.elt("vardecl")
xml.attr("name", variable.scopedName.joinToString("."))
xml.attr("type", variable.type.name)
if(variable.arraySize!=null)
xml.attr("arraysize", variable.arraySize.toString())
if(variable.value!=null) {
// static initialization value
xml.startChildren()
writeNode(variable.value!!)
}
xml.endElt()
}
private fun strTargetName(ident: PtIdentifier): String = ident.targetName.joinToString(".")
private fun strTargetName(call: PtFunctionCall): String = call.functionName.joinToString(".")
private fun intOrDouble(type: DataType, value: Double): Number =
if(type in IntegerDatatypes) value.toInt() else value
}

View File

@ -166,6 +166,10 @@ private val functionSignatures: List<FSignature> = listOf(
FSignature("swap" , false, listOf(FParam("first", NumericDatatypes), FParam("second", NumericDatatypes)), false, null),
FSignature("callfar" , false, listOf(FParam("bank", arrayOf(DataType.UBYTE)), FParam("address", arrayOf(DataType.UWORD)), FParam("arg", arrayOf(DataType.UWORD))), false, null),
FSignature("callrom" , false, listOf(FParam("bank", arrayOf(DataType.UBYTE)), FParam("address", arrayOf(DataType.UWORD)), FParam("arg", arrayOf(DataType.UWORD))), false, null),
FSignature("syscall" , false, listOf(FParam("callnr", arrayOf(DataType.UBYTE))), false, null, null),
FSignature("syscall1" , false, listOf(FParam("callnr", arrayOf(DataType.UBYTE)), FParam("arg1", arrayOf(DataType.UWORD))), false, null, null),
FSignature("syscall2" , false, listOf(FParam("callnr", arrayOf(DataType.UBYTE)), FParam("arg1", arrayOf(DataType.UWORD)), FParam("arg2", arrayOf(DataType.UWORD))), false, null, null),
FSignature("syscall3" , false, listOf(FParam("callnr", arrayOf(DataType.UBYTE)), FParam("arg1", arrayOf(DataType.UWORD)), FParam("arg2", arrayOf(DataType.UWORD)), FParam("arg3", arrayOf(DataType.UWORD))), false, null, null),
)
val BuiltinFunctions = functionSignatures.associateBy { it.name }

View File

@ -1011,6 +1011,13 @@ callrom(bank, address, argumentaddress) ; NOTE: specific to cx16 target for
and you'll have to set up a call in assembly code yourself that handles the banking and
argument/returnvalues.
syscall(callnr), syscall1(callnr, arg), syscall2(callnr, arg1, arg2), syscall3(callnr, arg1, arg2, arg3)
Functions for doing a system call on targets that support this. Currently no actual target
uses this though except, possibly, the experimental code generation target!
The regular 6502 based compiler targets just use a gosub to asmsub kernal routines at
specific memory locations. So these builtin function calls are not useful yet except for
experimentation in new code generation targets.
rsave, rsavex
Saves all registers including status (or only X) on the stack
It's not needed to rsave()/rsavex() before an asm subroutine that clobbers the X register

View File

@ -15,6 +15,11 @@ main {
sub start() {
sys.memset(sieve, 256, false) ; clear the sieve, to reset starting situation on subsequent runs
syscall(1)
syscall1(1, 1111)
syscall2(1, 1111, 2222)
syscall3(1, 1111, 2222, 3333)
%breakpoint
%asmbinary "LICENSE", 10 ,1