mirror of
https://github.com/KarolS/millfork.git
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675 lines
33 KiB
Scala
675 lines
33 KiB
Scala
package millfork.node
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import millfork.assembly.Elidability
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import millfork.assembly.m6809.{MAddrMode, MOpcode}
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import millfork.assembly.mos.opt.SourceOfNZ
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import millfork.assembly.mos.{AddrMode, Opcode}
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import millfork.assembly.z80.{ZOpcode, ZRegisters}
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import millfork.env.{Constant, ParamPassingConvention, Type}
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import millfork.output.MemoryAlignment
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case class Position(moduleName: String, line: Int, column: Int, cursor: Int)
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case class FieldDesc(typeName:String, fieldName: String)
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sealed trait Node {
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var position: Option[Position] = None
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}
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object Node {
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implicit class NodeOps[N<:Node](val node: N) extends AnyVal {
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def pos(position: Position): N = {
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node.position = Some(position)
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node
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}
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def pos(position: Option[Position]): N = {
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if (position.isDefined) {
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node.position = position
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}
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node
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}
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}
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}
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sealed trait Expression extends Node {
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def replaceVariable(variable: String, actualParam: Expression): Expression
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def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression
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def containsVariable(variable: String): Boolean
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def getPointies: Seq[String]
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def isPure: Boolean
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def getAllIdentifiers: Set[String]
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def #+#(smallInt: Int): Expression = (this #+# LiteralExpression(smallInt, 1).pos(this.position)).pos(this.position)
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def #+#(that: Expression): Expression = that match {
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case SumExpression(params, false) => SumExpression((false -> this) :: params, decimal = false)
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case _ => SumExpression(List(false -> this, false -> that), decimal = false)
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}
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def #-#(smallInt: Int): Expression = (this #-# LiteralExpression(smallInt, 1).pos(this.position)).pos(this.position)
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def #-#(that: Expression): Expression = SumExpression(List(false -> this, true -> that), decimal = false)
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@transient var typeCache: Type = _
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}
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case class ConstantArrayElementExpression(constant: Constant) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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case class LiteralExpression(value: Long, requiredSize: Int) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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case class TextLiteralExpression(characters: List[Expression]) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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case class GeneratedConstantExpression(value: Constant, typ: Type) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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case class BooleanLiteralExpression(value: Boolean) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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sealed trait LhsExpression extends Expression
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case object BlackHoleExpression extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): LhsExpression = this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = false
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override def getPointies: Seq[String] = Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set.empty
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}
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case class SeparateBytesExpression(hi: Expression, lo: Expression) extends LhsExpression {
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def replaceVariable(variable: String, actualParam: Expression): Expression =
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SeparateBytesExpression(
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hi.replaceVariable(variable, actualParam),
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lo.replaceVariable(variable, actualParam)).pos(position)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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SeparateBytesExpression(
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hi.replaceIndexedExpression(predicate, replacement),
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lo.replaceIndexedExpression(predicate, replacement)).pos(position)
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override def containsVariable(variable: String): Boolean = hi.containsVariable(variable) || lo.containsVariable(variable)
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override def getPointies: Seq[String] = hi.getPointies ++ lo.getPointies
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override def isPure: Boolean = hi.isPure && lo.isPure
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override def getAllIdentifiers: Set[String] = hi.getAllIdentifiers ++ lo.getAllIdentifiers
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}
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case class SumExpression(expressions: List[(Boolean, Expression)], decimal: Boolean) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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SumExpression(expressions.map { case (n, e) => n -> e.replaceVariable(variable, actualParam) }, decimal).pos(position)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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SumExpression(expressions.map { case (n, e) => n -> e.replaceIndexedExpression(predicate, replacement) }, decimal).pos(position)
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override def containsVariable(variable: String): Boolean = expressions.exists(_._2.containsVariable(variable))
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override def getPointies: Seq[String] = expressions.flatMap(_._2.getPointies)
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override def isPure: Boolean = expressions.forall(_._2.isPure)
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override def getAllIdentifiers: Set[String] = expressions.map(_._2.getAllIdentifiers).fold(Set[String]())(_ ++ _)
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override def #+#(that: Expression): Expression =
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if (decimal) super.#+#(that)
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else that match {
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case SumExpression(params, false) => SumExpression(expressions ++ params, decimal = false)
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case _ => SumExpression(expressions :+ (false -> that), decimal = false)
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}
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override def #-#(that: Expression): Expression =
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if (decimal) super.#-#(that)
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else SumExpression(expressions :+ (true -> that), decimal = false)
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}
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case class FunctionCallExpression(functionName: String, expressions: List[Expression]) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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FunctionCallExpression(functionName, expressions.map {
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_.replaceVariable(variable, actualParam)
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}).pos(position)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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FunctionCallExpression(functionName, expressions.map {
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_.replaceIndexedExpression(predicate, replacement)
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}).pos(position)
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override def containsVariable(variable: String): Boolean = expressions.exists(_.containsVariable(variable))
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override def getPointies: Seq[String] = expressions.flatMap(_.getPointies)
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override def isPure: Boolean = false // TODO
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override def getAllIdentifiers: Set[String] = expressions.map(_.getAllIdentifiers).fold(Set[String]())(_ ++ _) + functionName
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}
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case class HalfWordExpression(expression: Expression, hiByte: Boolean) extends Expression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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HalfWordExpression(expression.replaceVariable(variable, actualParam), hiByte).pos(position)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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HalfWordExpression(expression.replaceIndexedExpression(predicate, replacement), hiByte).pos(position)
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override def containsVariable(variable: String): Boolean = expression.containsVariable(variable)
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override def getPointies: Seq[String] = expression.getPointies
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override def isPure: Boolean = expression.isPure
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override def getAllIdentifiers: Set[String] = expression.getAllIdentifiers
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}
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sealed class NiceFunctionProperty(override val toString: String)
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object NiceFunctionProperty {
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case object DoesntReadMemory extends NiceFunctionProperty("MR")
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case object DoesntWriteMemory extends NiceFunctionProperty("MW")
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case object IsLeaf extends NiceFunctionProperty("LEAF")
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}
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object MosNiceFunctionProperty {
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case object DoesntChangeA extends NiceFunctionProperty("A")
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case object DoesntChangeX extends NiceFunctionProperty("X")
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case object DoesntChangeY extends NiceFunctionProperty("Y")
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case object DoesntChangeIZ extends NiceFunctionProperty("Z")
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case object DoesntChangeAH extends NiceFunctionProperty("AH")
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case object DoesntChangeC extends NiceFunctionProperty("C")
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case object DoesntConcernD extends NiceFunctionProperty("D")
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case object DoesntChangeZpRegister extends NiceFunctionProperty("reg")
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case class SetsSourceOfNZ(sourceOfNZ: SourceOfNZ) extends NiceFunctionProperty(sourceOfNZ + "NZ")
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case class SetsXTo(value: Int) extends NiceFunctionProperty("Y=" + value)
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case class SetsYTo(value: Int) extends NiceFunctionProperty("Z=" + value)
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case class SetsATo(value: Int) extends NiceFunctionProperty("A=" + value)
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case class Bit0OfA(value: Boolean) extends NiceFunctionProperty("A0=" + value)
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case class Bit7OfA(value: Boolean) extends NiceFunctionProperty("A7=" + value)
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}
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object Z80NiceFunctionProperty {
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case object DoesntChangeBC extends NiceFunctionProperty("BC")
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case object DoesntChangeDE extends NiceFunctionProperty("DE")
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case object DoesntChangeHL extends NiceFunctionProperty("HL")
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case object DoesntChangeIY extends NiceFunctionProperty("IY")
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case class SetsATo(value: Int) extends NiceFunctionProperty("A=" + value)
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}
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object MosRegister extends Enumeration {
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val A, X, Y, AX, AY, YA, XA, XY, YX, AW = Value
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}
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object ZRegister extends Enumeration {
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val A, B, C, D, E, H, L, AF, BC, HL, DE, SP, IXH, IXL, IYH, IYL, IX, IY, R, I, MEM_HL, MEM_BC, MEM_DE, MEM_IX_D, MEM_IY_D, MEM_ABS_8, MEM_ABS_16, IMM_8, IMM_16 = Value
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def registerSize(reg: Value): Int = reg match {
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case AF | BC | DE | HL | IX | IY | IMM_16 => 2
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case A | B | C | D | E | H | L | IXH | IXL | IYH | IYL | R | I | IMM_8 => 1
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}
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def matchingImm(target: ZRegister.Value): ZRegister.Value = registerSize(target) match {
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case 1 => IMM_8
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case 2 => IMM_16
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}
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def matchingMemAbs(target: ZRegister.Value): ZRegister.Value = registerSize(target) match {
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case 1 => MEM_ABS_8
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case 2 => MEM_ABS_16
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}
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val main7Registers: Set[ZRegister.Value] = Set[ZRegister.Value](ZRegister.A, ZRegister.B, ZRegister.C, ZRegister.D, ZRegister.D, ZRegister.E, ZRegister.H, ZRegister.L)
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}
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object M6809Register extends Enumeration {
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val A, B, D, DP, X, Y, U, S, PC, CC = Value
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def registerSize(reg: Value): Int = reg match {
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case D | X | Y | U | S | PC => 2
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case A | B | DP | CC => 1
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}
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def registerPushMask(register: M6809Register.Value): Int = {
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register match {
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case CC => 1
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case A => 2
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case B => 4
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case D => 6
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case X => 0x10
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case Y => 0x20
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case U => 0x40
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case S => 0x40
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case PC => 0x80
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case DP => 0
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}
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}
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}
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//case class Indexing(child: Expression, register: Register.Value) extends Expression
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case class VariableExpression(name: String) extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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if (name == variable) actualParam else this
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression = this
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override def containsVariable(variable: String): Boolean = name == variable
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override def getPointies: Seq[String] = if (name.endsWith(".addr.lo")) Seq(name.stripSuffix(".addr.lo")) else Seq.empty
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override def isPure: Boolean = true
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override def getAllIdentifiers: Set[String] = Set(name)
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}
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case class IndexedExpression(name: String, index: Expression) extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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if (name == variable) {
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actualParam match {
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case VariableExpression(actualVariable) =>
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IndexedExpression(actualVariable, index.replaceVariable(variable, actualParam)).pos(position)
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case _ => ??? // TODO
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}
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} else IndexedExpression(name, index.replaceVariable(variable, actualParam)).pos(position)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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if (predicate(this)) replacement(this).pos(position = position)
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else IndexedExpression(name, index.replaceIndexedExpression(predicate, replacement))
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override def containsVariable(variable: String): Boolean = name == variable || index.containsVariable(variable)
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override def getPointies: Seq[String] = Seq(name)
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override def isPure: Boolean = index.isPure
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override def getAllIdentifiers: Set[String] = index.getAllIdentifiers + name
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}
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case class IndirectFieldExpression(root: Expression, firstIndices: Seq[Expression], fields: Seq[(Boolean, String, Seq[Expression])]) extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression =
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IndirectFieldExpression(
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root.replaceVariable(variable, actualParam),
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firstIndices.map(_.replaceVariable(variable, actualParam)),
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fields.map{case (dot, f, i) => (dot, f, i.map(_.replaceVariable(variable, actualParam)))})
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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IndirectFieldExpression(
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root.replaceIndexedExpression(predicate, replacement),
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firstIndices.map(_.replaceIndexedExpression(predicate, replacement)),
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fields.map{case (dot, f, i) => (dot, f, i.map(_.replaceIndexedExpression(predicate, replacement)))})
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override def containsVariable(variable: String): Boolean =
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root.containsVariable(variable) ||
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firstIndices.exists(_.containsVariable(variable)) ||
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fields.exists(_._3.exists(_.containsVariable(variable)))
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override def getPointies: Seq[String] = (root match {
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case VariableExpression(v) => List(v)
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case _ => root.getPointies
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}) ++ firstIndices.flatMap(_.getPointies) ++ fields.flatMap(_._3.flatMap(_.getPointies))
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override def isPure: Boolean = root.isPure && firstIndices.forall(_.isPure) && fields.forall(_._3.forall(_.isPure))
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override def getAllIdentifiers: Set[String] = root.getAllIdentifiers ++ firstIndices.flatMap(_.getAllIdentifiers) ++ fields.flatMap(_._3.flatMap(_.getAllIdentifiers))
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}
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case class DerefDebuggingExpression(inner: Expression, preferredSize: Int) extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = DerefDebuggingExpression(inner.replaceVariable(variable, actualParam), preferredSize)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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DerefDebuggingExpression(inner.replaceIndexedExpression(predicate, replacement), preferredSize)
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override def containsVariable(variable: String): Boolean = inner.containsVariable(variable)
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override def getPointies: Seq[String] = inner match {
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case VariableExpression(v) => List(v)
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case _ => inner.getPointies
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}
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override def isPure: Boolean = inner.isPure
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override def getAllIdentifiers: Set[String] = inner.getAllIdentifiers
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}
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case class DerefExpression(inner: Expression, offset: Int, targetType: Type) extends LhsExpression {
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override def replaceVariable(variable: String, actualParam: Expression): Expression = DerefExpression(inner.replaceVariable(variable, actualParam), offset, targetType)
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override def replaceIndexedExpression(predicate: IndexedExpression => Boolean, replacement: IndexedExpression => Expression): Expression =
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DerefExpression(inner.replaceIndexedExpression(predicate, replacement), offset, targetType)
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override def containsVariable(variable: String): Boolean = inner.containsVariable(variable)
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override def getPointies: Seq[String] = inner match {
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case VariableExpression(v) => List(v)
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case _ => inner.getPointies
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}
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override def isPure: Boolean = inner.isPure
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override def getAllIdentifiers: Set[String] = inner.getAllIdentifiers
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}
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sealed trait Statement extends Node {
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def getAllExpressions: List[Expression]
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def getAllPointies: Seq[String] = getAllExpressions.flatMap(_.getPointies)
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}
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sealed trait DeclarationStatement extends Statement {
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def name: String
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}
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sealed trait BankedDeclarationStatement extends DeclarationStatement {
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def bank: Option[String]
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def name: String
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def withChangedBank(bank: String): BankedDeclarationStatement
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}
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case class TypeDefinitionStatement(name: String, parent: String) extends DeclarationStatement {
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override def getAllExpressions: List[Expression] = Nil
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}
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case class VariableDeclarationStatement(name: String,
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typ: String,
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bank: Option[String],
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global: Boolean,
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stack: Boolean,
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constant: Boolean,
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volatile: Boolean,
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register: Boolean,
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initialValue: Option[Expression],
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address: Option[Expression],
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alignment: Option[MemoryAlignment]) extends BankedDeclarationStatement {
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override def getAllExpressions: List[Expression] = List(initialValue, address).flatten
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override def withChangedBank(bank: String): BankedDeclarationStatement = copy(bank = Some(bank))
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}
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trait ArrayContents extends Node {
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def getAllExpressions(bigEndian: Boolean): List[Expression]
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def replaceVariable(variableToReplace: String, expression: Expression): ArrayContents
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}
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case class LiteralContents(contents: List[Expression]) extends ArrayContents {
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override def getAllExpressions(bigEndian: Boolean): List[Expression] = contents
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override def replaceVariable(variable: String, expression: Expression): ArrayContents =
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LiteralContents(contents.map(_.replaceVariable(variable, expression)))
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}
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case class ForLoopContents(variable: String, start: Expression, end: Expression, direction: ForDirection.Value, body: ArrayContents) extends ArrayContents {
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override def getAllExpressions(bigEndian: Boolean): List[Expression] = start :: end :: body.getAllExpressions(bigEndian).map(_.replaceVariable(variable, LiteralExpression(0, 1)))
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override def replaceVariable(variableToReplace: String, expression: Expression): ArrayContents =
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if (variableToReplace == variable) this else ForLoopContents(
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variable,
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start.replaceVariable(variableToReplace, expression),
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end.replaceVariable(variableToReplace, expression),
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direction,
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body.replaceVariable(variableToReplace, expression))
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}
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case class CombinedContents(contents: List[ArrayContents]) extends ArrayContents {
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override def getAllExpressions(bigEndian: Boolean): List[Expression] = contents.flatMap(_.getAllExpressions(bigEndian))
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override def replaceVariable(variableToReplace: String, expression: Expression): ArrayContents =
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CombinedContents(contents.map(_.replaceVariable(variableToReplace, expression)))
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}
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case class ProcessedContents(processor: String, values: ArrayContents) extends ArrayContents {
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private def normalizeProcessor(bigEndian: Boolean): String = processor match {
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case "word" => if (bigEndian) "word_be" else "word_le"
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case "long" => if (bigEndian) "long_be" else "long_le"
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case x => x
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}
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override def getAllExpressions(bigEndian: Boolean): List[Expression] = normalizeProcessor(bigEndian) match {
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case "word_le" =>
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values.getAllExpressions(bigEndian).flatMap(expr => List(
|
|
FunctionCallExpression("lo", List(expr)).pos(expr.position),
|
|
FunctionCallExpression("hi", List(expr)).pos(expr.position)
|
|
))
|
|
case "word_be" =>
|
|
values.getAllExpressions(bigEndian).flatMap(expr => List(
|
|
FunctionCallExpression("hi", List(expr)).pos(expr.position),
|
|
FunctionCallExpression("lo", List(expr)).pos(expr.position)
|
|
))
|
|
case "long_le" =>
|
|
values.getAllExpressions(bigEndian).flatMap(expr => List(
|
|
FunctionCallExpression("lo", List(expr)).pos(expr.position),
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(8, 1))).pos(expr.position))).pos(expr.position),
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(16, 1))).pos(expr.position))).pos(expr.position),
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(24, 1))).pos(expr.position))).pos(expr.position)
|
|
))
|
|
case "long_be" =>
|
|
values.getAllExpressions(bigEndian).flatMap(expr => List(
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(24, 1))).pos(expr.position))).pos(expr.position),
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(16, 1))).pos(expr.position))).pos(expr.position),
|
|
FunctionCallExpression("lo", List(FunctionCallExpression(">>", List(expr, LiteralExpression(8, 1))).pos(expr.position))).pos(expr.position),
|
|
FunctionCallExpression("lo", List(expr)).pos(expr.position)
|
|
))
|
|
case "struct" => values.getAllExpressions(bigEndian) // not used for emitting actual arrays
|
|
}
|
|
|
|
override def replaceVariable(variableToReplace: String, expression: Expression): ArrayContents =
|
|
ProcessedContents(processor, values.replaceVariable(variableToReplace, expression))
|
|
}
|
|
|
|
case class AliasDefinitionStatement(name: String, target: String, important: Boolean) extends DeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
case class EnumDefinitionStatement(name: String, variants: List[(String, Option[Expression])]) extends DeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = variants.flatMap(_._2)
|
|
}
|
|
|
|
case class StructDefinitionStatement(name: String, fields: List[FieldDesc]) extends DeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
case class UnionDefinitionStatement(name: String, fields: List[FieldDesc]) extends DeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
case class ArrayDeclarationStatement(name: String,
|
|
bank: Option[String],
|
|
length: Option[Expression],
|
|
elementType: String,
|
|
address: Option[Expression],
|
|
const: Boolean,
|
|
elements: Option[ArrayContents],
|
|
alignment: Option[MemoryAlignment],
|
|
bigEndian: Boolean) extends BankedDeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = List(length, address).flatten ++ elements.fold(List[Expression]())(_.getAllExpressions(bigEndian))
|
|
|
|
override def withChangedBank(bank: String): BankedDeclarationStatement = copy(bank = Some(bank))
|
|
}
|
|
|
|
case class ParameterDeclaration(typ: String,
|
|
assemblyParamPassingConvention: ParamPassingConvention) extends Node
|
|
|
|
case class ImportStatement(filename: String) extends DeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
|
|
override def name: String = ""
|
|
}
|
|
|
|
case class FunctionDeclarationStatement(name: String,
|
|
resultType: String,
|
|
params: List[ParameterDeclaration],
|
|
bank: Option[String],
|
|
address: Option[Expression],
|
|
alignment: Option[MemoryAlignment],
|
|
statements: Option[List[Statement]],
|
|
isMacro: Boolean,
|
|
inlinable: Option[Boolean],
|
|
assembly: Boolean,
|
|
interrupt: Boolean,
|
|
kernalInterrupt: Boolean,
|
|
reentrant: Boolean) extends BankedDeclarationStatement {
|
|
override def getAllExpressions: List[Expression] = address.toList ++ statements.getOrElse(Nil).flatMap(_.getAllExpressions)
|
|
|
|
override def withChangedBank(bank: String): BankedDeclarationStatement = copy(bank = Some(bank))
|
|
}
|
|
|
|
sealed trait ExecutableStatement extends Statement
|
|
|
|
case class RawBytesStatement(contents: ArrayContents, bigEndian: Boolean) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = contents.getAllExpressions(bigEndian)
|
|
}
|
|
|
|
sealed trait CompoundStatement extends ExecutableStatement {
|
|
def getChildStatements: Seq[Statement]
|
|
|
|
def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement]
|
|
|
|
def loopVariable: String
|
|
}
|
|
|
|
case class ExpressionStatement(expression: Expression) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(expression)
|
|
}
|
|
|
|
case class ReturnStatement(value: Option[Expression]) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = value.toList
|
|
}
|
|
|
|
case class GotoStatement(target: Expression) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(target)
|
|
}
|
|
|
|
case class LabelStatement(name: String) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
case class EmptyStatement(toTypecheck: List[ExecutableStatement]) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = toTypecheck.flatMap(_.getAllExpressions)
|
|
}
|
|
|
|
trait ReturnDispatchLabel extends Node {
|
|
def getAllExpressions: List[Expression]
|
|
}
|
|
|
|
case class DefaultReturnDispatchLabel(start: Option[Expression], end: Option[Expression]) extends ReturnDispatchLabel {
|
|
def getAllExpressions: List[Expression] = List(start, end).flatten
|
|
}
|
|
|
|
case class StandardReturnDispatchLabel(labels:List[Expression]) extends ReturnDispatchLabel {
|
|
def getAllExpressions: List[Expression] = labels
|
|
}
|
|
|
|
case class ReturnDispatchBranch(label: ReturnDispatchLabel, function: Expression, params: List[Expression]) extends Node {
|
|
def getAllExpressions: List[Expression] = label.getAllExpressions ++ params
|
|
}
|
|
|
|
case class ReturnDispatchStatement(indexer: Expression, params: List[LhsExpression], branches: List[ReturnDispatchBranch]) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = indexer :: params ++ branches.flatMap(_.getAllExpressions)
|
|
}
|
|
|
|
case class Assignment(destination: LhsExpression, source: Expression) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(destination, source)
|
|
}
|
|
|
|
case class MosAssemblyStatement(opcode: Opcode.Value, addrMode: AddrMode.Value, expression: Expression, elidability: Elidability.Value) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(expression)
|
|
override def getAllPointies: Seq[String] = addrMode match {
|
|
case AddrMode.IndexedY | AddrMode.IndexedX | AddrMode.LongIndexedY | AddrMode.IndexedZ | AddrMode.LongIndexedZ |
|
|
AddrMode.ZeroPage | AddrMode.ZeroPageX | AddrMode.ZeroPageY =>
|
|
expression.getAllIdentifiers.toSeq.map(_.takeWhile(_ != '.'))
|
|
case AddrMode.Immediate =>
|
|
expression.getAllIdentifiers.toSeq.filter(i => !i.contains('.') || i.endsWith(".addr") || i.endsWith(".addr.lo")).map(_.takeWhile(_ != '.'))
|
|
case _ => Seq.empty
|
|
}
|
|
}
|
|
|
|
case class Z80AssemblyStatement(opcode: ZOpcode.Value, registers: ZRegisters, offsetExpression: Option[Expression], expression: Expression, elidability: Elidability.Value) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(expression)
|
|
}
|
|
|
|
case class M6809AssemblyStatement(opcode: MOpcode.Value, addrMode: MAddrMode, expression: Expression, elidability: Elidability.Value) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = List(expression)
|
|
}
|
|
|
|
case class IfStatement(condition: Expression, thenBranch: List[ExecutableStatement], elseBranch: List[ExecutableStatement]) extends CompoundStatement {
|
|
override def getAllExpressions: List[Expression] = condition :: (thenBranch ++ elseBranch).flatMap(_.getAllExpressions)
|
|
|
|
override def getChildStatements: Seq[Statement] = thenBranch ++ elseBranch
|
|
|
|
override def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement] = {
|
|
val t = thenBranch.map(f)
|
|
val e = elseBranch.map(f)
|
|
if (t.forall(_.isDefined) && e.forall(_.isDefined)) Some(IfStatement(condition, t.map(_.get), e.map(_.get)).pos(this.position))
|
|
else None
|
|
}
|
|
|
|
override def loopVariable: String = "-none-"
|
|
}
|
|
|
|
case class WhileStatement(condition: Expression, body: List[ExecutableStatement], increment: List[ExecutableStatement], labels: Set[String] = Set("", "while")) extends CompoundStatement {
|
|
override def getAllExpressions: List[Expression] = condition :: body.flatMap(_.getAllExpressions)
|
|
|
|
override def getChildStatements: Seq[Statement] = body ++ increment
|
|
|
|
override def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement] = {
|
|
val b = body.map(f)
|
|
val i = increment.map(f)
|
|
if (b.forall(_.isDefined) && i.forall(_.isDefined)) Some(WhileStatement(condition, b.map(_.get), i.map(_.get), labels).pos(this.position))
|
|
else None
|
|
}
|
|
|
|
override def loopVariable: String = "-none-"
|
|
}
|
|
|
|
object ForDirection extends Enumeration {
|
|
val To, Until, DownTo, ParallelTo, ParallelUntil = Value
|
|
}
|
|
|
|
case class ForStatement(variable: String, start: Expression, end: Expression, direction: ForDirection.Value, body: List[ExecutableStatement]) extends CompoundStatement {
|
|
override def getAllExpressions: List[Expression] = VariableExpression(variable) :: start :: end :: body.flatMap(_.getAllExpressions)
|
|
|
|
override def getChildStatements: Seq[Statement] = body
|
|
|
|
override def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement] = {
|
|
val b = body.map(f)
|
|
if (b.forall(_.isDefined)) Some(ForStatement(variable, start, end, direction, b.map(_.get)).pos(this.position))
|
|
else None
|
|
}
|
|
|
|
override def loopVariable: String = variable
|
|
}
|
|
|
|
case class ForEachStatement(variable: String, values: Either[Expression, List[Expression]], body: List[ExecutableStatement]) extends CompoundStatement {
|
|
override def getAllExpressions: List[Expression] = VariableExpression(variable) :: (values.fold[List[Expression]](_ => Nil, identity) ++ body.flatMap(_.getAllExpressions))
|
|
|
|
override def getChildStatements: Seq[Statement] = body
|
|
override def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement] = {
|
|
val b = body.map(f)
|
|
if (b.forall(_.isDefined)) Some(ForEachStatement(variable,values, b.map(_.get)).pos(this.position))
|
|
else None
|
|
}
|
|
|
|
override def loopVariable: String = variable
|
|
}
|
|
|
|
case class DoWhileStatement(body: List[ExecutableStatement], increment: List[ExecutableStatement], condition: Expression, labels: Set[String] = Set("", "do")) extends CompoundStatement {
|
|
override def getAllExpressions: List[Expression] = condition :: body.flatMap(_.getAllExpressions)
|
|
|
|
override def getChildStatements: Seq[Statement] = body ++ increment
|
|
|
|
override def flatMap(f: ExecutableStatement => Option[ExecutableStatement]): Option[ExecutableStatement] = {
|
|
val b = body.map(f)
|
|
val i = increment.map(f)
|
|
if (b.forall(_.isDefined) && i.forall(_.isDefined)) Some(DoWhileStatement(b.map(_.get), i.map(_.get), condition, labels).pos(this.position))
|
|
else None
|
|
}
|
|
|
|
override def loopVariable: String = "-none-"
|
|
}
|
|
|
|
case class BreakStatement(label: String) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
case class ContinueStatement(label: String) extends ExecutableStatement {
|
|
override def getAllExpressions: List[Expression] = Nil
|
|
}
|
|
|
|
object MosAssemblyStatement {
|
|
def implied(opcode: Opcode.Value, elidability: Elidability.Value) = MosAssemblyStatement(opcode, AddrMode.Implied, LiteralExpression(0, 1), elidability)
|
|
|
|
def nonexistent(opcode: Opcode.Value) = MosAssemblyStatement(opcode, AddrMode.DoesNotExist, LiteralExpression(0, 1), elidability = Elidability.Elidable)
|
|
} |