feat: implement abstract syntax tree
Merge request lab2425_spring/WACC_37!4 Co-authored-by: Jonny <j.sinteix@gmail.com>
This commit is contained in:
commit
feac5efb6a
@ -3,6 +3,7 @@
|
|||||||
|
|
||||||
// dependencies
|
// dependencies
|
||||||
//> using dep com.github.j-mie6::parsley::5.0.0-M10
|
//> using dep com.github.j-mie6::parsley::5.0.0-M10
|
||||||
|
//> using dep com.github.j-mie6::parsley-cats::1.3.0
|
||||||
//> using dep com.lihaoyi::os-lib::0.11.3
|
//> using dep com.lihaoyi::os-lib::0.11.3
|
||||||
//> using dep com.github.scopt::scopt::4.1.0
|
//> using dep com.github.scopt::scopt::4.1.0
|
||||||
//> using test.dep org.scalatest::scalatest::3.2.19
|
//> using test.dep org.scalatest::scalatest::3.2.19
|
||||||
|
|||||||
143
src/main/wacc/ast.scala
Normal file
143
src/main/wacc/ast.scala
Normal file
@ -0,0 +1,143 @@
|
|||||||
|
package wacc
|
||||||
|
|
||||||
|
import parsley.generic._
|
||||||
|
import cats.data.NonEmptyList
|
||||||
|
|
||||||
|
object ast {
|
||||||
|
// Expressions
|
||||||
|
sealed trait Expr extends RValue
|
||||||
|
sealed trait Expr1 extends Expr
|
||||||
|
sealed trait Expr2 extends Expr1
|
||||||
|
sealed trait Expr3 extends Expr2
|
||||||
|
sealed trait Expr4 extends Expr3
|
||||||
|
sealed trait Expr5 extends Expr4
|
||||||
|
sealed trait Expr6 extends Expr5
|
||||||
|
|
||||||
|
// Atoms
|
||||||
|
case class IntLiter(v: Int) extends Expr6
|
||||||
|
object IntLiter extends ParserBridge1[Int, IntLiter]
|
||||||
|
case class BoolLiter(v: Boolean) extends Expr6
|
||||||
|
object BoolLiter extends ParserBridge1[Boolean, BoolLiter]
|
||||||
|
case class CharLiter(v: Char) extends Expr6
|
||||||
|
object CharLiter extends ParserBridge1[Char, CharLiter]
|
||||||
|
case class StrLiter(v: String) extends Expr6
|
||||||
|
object StrLiter extends ParserBridge1[String, StrLiter]
|
||||||
|
case object PairLiter extends Expr6 with ParserBridge0[PairLiter.type]
|
||||||
|
case class Ident(v: String) extends Expr6 with LValue
|
||||||
|
object Ident extends ParserBridge1[String, Ident]
|
||||||
|
case class ArrayElem(name: Ident, indices: NonEmptyList[Expr]) extends Expr6 with LValue
|
||||||
|
object ArrayElem extends ParserBridge2[Ident, NonEmptyList[Expr], ArrayElem]
|
||||||
|
case class Parens(expr: Expr) extends Expr6
|
||||||
|
object Parens extends ParserBridge1[Expr, Parens]
|
||||||
|
|
||||||
|
// Unary operators
|
||||||
|
case class Negate(x: Expr6) extends Expr6
|
||||||
|
object Negate extends ParserBridge1[Expr6, Negate]
|
||||||
|
case class Not(x: Expr6) extends Expr6
|
||||||
|
object Not extends ParserBridge1[Expr6, Not]
|
||||||
|
case class Len(x: Expr6) extends Expr6
|
||||||
|
object Len extends ParserBridge1[Expr6, Len]
|
||||||
|
case class Ord(x: Expr6) extends Expr6
|
||||||
|
object Ord extends ParserBridge1[Expr6, Ord]
|
||||||
|
case class Chr(x: Expr6) extends Expr6
|
||||||
|
object Chr extends ParserBridge1[Expr6, Chr]
|
||||||
|
|
||||||
|
// Binary operators
|
||||||
|
case class Add(x: Expr4, y: Expr5) extends Expr4
|
||||||
|
object Add extends ParserBridge2[Expr4, Expr5, Add]
|
||||||
|
case class Sub(x: Expr4, y: Expr5) extends Expr4
|
||||||
|
object Sub extends ParserBridge2[Expr4, Expr5, Sub]
|
||||||
|
case class Mul(x: Expr5, y: Expr6) extends Expr5
|
||||||
|
object Mul extends ParserBridge2[Expr5, Expr6, Mul]
|
||||||
|
case class Div(x: Expr5, y: Expr6) extends Expr5
|
||||||
|
object Div extends ParserBridge2[Expr5, Expr6, Div]
|
||||||
|
case class Mod(x: Expr5, y: Expr6) extends Expr5
|
||||||
|
object Mod extends ParserBridge2[Expr5, Expr6, Mod]
|
||||||
|
case class Greater(x: Expr4, y: Expr4) extends Expr3
|
||||||
|
object Greater extends ParserBridge2[Expr4, Expr4, Greater]
|
||||||
|
case class GreaterEq(x: Expr4, y: Expr4) extends Expr3
|
||||||
|
object GreaterEq extends ParserBridge2[Expr4, Expr4, GreaterEq]
|
||||||
|
case class Less(x: Expr4, y: Expr4) extends Expr3
|
||||||
|
object Less extends ParserBridge2[Expr4, Expr4, Less]
|
||||||
|
case class LessEq(x: Expr4, y: Expr4) extends Expr3
|
||||||
|
object LessEq extends ParserBridge2[Expr4, Expr4, LessEq]
|
||||||
|
case class Eq(x: Expr3, y: Expr3) extends Expr2
|
||||||
|
object Eq extends ParserBridge2[Expr3, Expr3, Eq]
|
||||||
|
case class Neq(x: Expr3, y: Expr3) extends Expr2
|
||||||
|
object Neq extends ParserBridge2[Expr3, Expr3, Neq]
|
||||||
|
case class And(x: Expr2, y: Expr1) extends Expr1
|
||||||
|
object And extends ParserBridge2[Expr2, Expr1, And]
|
||||||
|
case class Or(x: Expr1, y: Expr) extends Expr
|
||||||
|
object Or extends ParserBridge2[Expr1, Expr, Or]
|
||||||
|
|
||||||
|
// Types
|
||||||
|
sealed trait Type
|
||||||
|
sealed trait BaseType extends Type with PairElemType
|
||||||
|
case object IntType extends BaseType with ParserBridge0[IntType.type]
|
||||||
|
case object BoolType extends BaseType with ParserBridge0[BoolType.type]
|
||||||
|
case object CharType extends BaseType with ParserBridge0[CharType.type]
|
||||||
|
case object StringType extends BaseType with ParserBridge0[StringType.type]
|
||||||
|
case class ArrayType(elemType: Type, dimensions: Int) extends Type with PairElemType
|
||||||
|
object ArrayType extends ParserBridge2[Type, Int, ArrayType]
|
||||||
|
case class PairType(fst: PairElemType, snd: PairElemType) extends Type
|
||||||
|
object PairType extends ParserBridge2[PairElemType, PairElemType, PairType]
|
||||||
|
|
||||||
|
sealed trait PairElemType
|
||||||
|
case object UntypedPairType extends PairElemType with ParserBridge0[UntypedPairType.type]
|
||||||
|
|
||||||
|
// waccadoodledo
|
||||||
|
case class Program(funcs: List[FuncDecl], main: NonEmptyList[Stmt])
|
||||||
|
object Program extends ParserBridge2[List[FuncDecl], NonEmptyList[Stmt], Program]
|
||||||
|
|
||||||
|
// Function Definitions
|
||||||
|
case class FuncDecl(
|
||||||
|
returnType: Type,
|
||||||
|
name: Ident,
|
||||||
|
params: List[Param],
|
||||||
|
body: NonEmptyList[Stmt]
|
||||||
|
)
|
||||||
|
object FuncDecl extends ParserBridge4[Type, Ident, List[Param], NonEmptyList[Stmt], FuncDecl]
|
||||||
|
|
||||||
|
case class Param(paramType: Type, name: Ident)
|
||||||
|
object Param extends ParserBridge2[Type, Ident, Param]
|
||||||
|
|
||||||
|
// Statements
|
||||||
|
sealed trait Stmt
|
||||||
|
case object Skip extends Stmt with ParserBridge0[Skip.type]
|
||||||
|
case class VarDecl(varType: Type, name: Ident, value: RValue) extends Stmt
|
||||||
|
object VarDecl extends ParserBridge3[Type, Ident, RValue, VarDecl]
|
||||||
|
case class Assign(lhs: LValue, value: RValue) extends Stmt
|
||||||
|
object Assign extends ParserBridge2[LValue, RValue, Assign]
|
||||||
|
case class Read(lhs: LValue) extends Stmt
|
||||||
|
object Read extends ParserBridge1[LValue, Read]
|
||||||
|
case class Free(expr: Expr) extends Stmt
|
||||||
|
object Free extends ParserBridge1[Expr, Free]
|
||||||
|
case class Return(expr: Expr) extends Stmt
|
||||||
|
object Return extends ParserBridge1[Expr, Return]
|
||||||
|
case class Exit(expr: Expr) extends Stmt
|
||||||
|
object Exit extends ParserBridge1[Expr, Exit]
|
||||||
|
case class Print(expr: Expr, newline: Boolean) extends Stmt
|
||||||
|
object Print extends ParserBridge2[Expr, Boolean, Print]
|
||||||
|
case class If(cond: Expr, thenStmt: NonEmptyList[Stmt], elseStmt: NonEmptyList[Stmt]) extends Stmt
|
||||||
|
object If extends ParserBridge3[Expr, NonEmptyList[Stmt], NonEmptyList[Stmt], If]
|
||||||
|
case class While(cond: Expr, body: NonEmptyList[Stmt]) extends Stmt
|
||||||
|
object While extends ParserBridge2[Expr, NonEmptyList[Stmt], While]
|
||||||
|
case class Block(stmt: NonEmptyList[Stmt]) extends Stmt
|
||||||
|
object Block extends ParserBridge1[NonEmptyList[Stmt], Block]
|
||||||
|
|
||||||
|
sealed trait LValue
|
||||||
|
|
||||||
|
sealed trait RValue
|
||||||
|
case class ArrayLiter(elems: List[Expr]) extends RValue
|
||||||
|
object ArrayLiter extends ParserBridge1[List[Expr], ArrayLiter]
|
||||||
|
case class NewPair(fst: Expr, snd: Expr) extends RValue
|
||||||
|
object NewPair extends ParserBridge2[Expr, Expr, NewPair]
|
||||||
|
case class Call(name: Ident, args: List[Expr]) extends RValue
|
||||||
|
object Call extends ParserBridge2[Ident, List[Expr], Call]
|
||||||
|
|
||||||
|
sealed trait PairElem extends LValue with RValue
|
||||||
|
case class Fst(elem: LValue) extends PairElem
|
||||||
|
object Fst extends ParserBridge1[LValue, Fst]
|
||||||
|
case class Snd(elem: LValue) extends PairElem
|
||||||
|
object Snd extends ParserBridge1[LValue, Snd]
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user