Refactored AST file

packages/squiggle-lang/src/rescript/interpreter/AST.res

@@ -1,6 +1,6 @@
 open ASTTypes.AST
 
-let toString = ASTTypes.Node.toString
+let toString = ASTTypes.AST.Node.toString
 
 let envs = (samplingInputs, environment) => {
   samplingInputs: samplingInputs,

packages/squiggle-lang/src/rescript/interpreter/ASTEvaluator.res

@@ -25,8 +25,8 @@ module AlgebraicCombination = {
     string,
   > =>
     E.R.merge(
-      Render.ensureIsRenderedAndGetShape(evaluationParams, t1),
-      Render.ensureIsRenderedAndGetShape(evaluationParams, t2),
+      Node.ensureIsRenderedAndGetShape(evaluationParams, t1),
+      Node.ensureIsRenderedAndGetShape(evaluationParams, t2),
     ) |> E.R.fmap(((a, b)) => #RenderedDist(PointSetDist.combineAlgebraically(algebraicOp, a, b)))
 
   let nodeScore: node => int = x =>
@@ -72,7 +72,7 @@ module AlgebraicCombination = {
 
 module PointwiseCombination = {
   let pointwiseAdd = (evaluationParams: evaluationParams, t1: t, t2: t) =>
-    switch (Render.render(evaluationParams, t1), Render.render(evaluationParams, t2)) {
+    switch (Node.render(evaluationParams, t1), Node.render(evaluationParams, t2)) {
     | (Ok(#RenderedDist(rs1)), Ok(#RenderedDist(rs2))) =>
       Ok(
         #RenderedDist(
@@ -96,7 +96,7 @@ module PointwiseCombination = {
     switch // TODO: construct a function that we can easily sample from, to construct
     // a RenderedDist. Use the xMin and xMax of the rendered pointSetDists to tell the sampling function where to look.
     // TODO: This should work for symbolic distributions too!
-    (Render.render(evaluationParams, t1), Render.render(evaluationParams, t2)) {
+    (Node.render(evaluationParams, t1), Node.render(evaluationParams, t2)) {
     | (Ok(#RenderedDist(rs1)), Ok(#RenderedDist(rs2))) =>
       Ok(#RenderedDist(PointSetDist.combinePointwise(fn, rs1, rs2)))
     | (Error(e1), _) => Error(e1)
@@ -131,7 +131,7 @@ module Truncate = {
   let truncateAsShape = (evaluationParams: evaluationParams, leftCutoff, rightCutoff, t) =>
     switch // TODO: use named args for xMin/xMax in renderToShape; if we're lucky we can at least get the tail
     // of a distribution we otherwise wouldn't get at all
-    Render.ensureIsRendered(evaluationParams, t) {
+    Node.ensureIsRendered(evaluationParams, t) {
     | Ok(#RenderedDist(rs)) => Ok(#RenderedDist(PointSetDist.T.truncate(leftCutoff, rightCutoff, rs)))
     | Error(e) => Error(e)
     | _ => Error("Could not truncate distribution.")

packages/squiggle-lang/src/rescript/interpreter/ASTTypes.res

@@ -27,21 +27,6 @@ module AST = {
       names |> E.A.fmap(name => (name, getByName(hash, name)))
   }
   // Have nil as option
-  let getFloat = (node: node) =>
-    node |> (
-      x =>
-        switch x {
-        | #RenderedDist(Discrete({xyShape: {xs: [x], ys: [1.0]}})) => Some(x)
-        | #SymbolicDist(#Float(x)) => Some(x)
-        | _ => None
-        }
-    )
-
-  let toFloatIfNeeded = (node: node) =>
-    switch node |> getFloat {
-    | Some(float) => #SymbolicDist(#Float(float))
-    | None => node
-    }
 
   type samplingInputs = {
     sampleCount: int,
@@ -101,63 +86,18 @@ module AST = {
   let evaluateAndRetry = (evaluationParams, fn, node) =>
     node |> evaluationParams.evaluateNode(evaluationParams) |> E.R.bind(_, fn(evaluationParams))
 
-  module Render = {
-    type t = node
-
-    let render = (evaluationParams: evaluationParams, r) =>
-      #Render(r) |> evaluateNode(evaluationParams)
-
-    let ensureIsRendered = (params, t) =>
-      switch t {
-      | #RenderedDist(_) => Ok(t)
-      | _ =>
-        switch render(params, t) {
-        | Ok(#RenderedDist(r)) => Ok(#RenderedDist(r))
-        | Ok(_) => Error("Did not render as requested")
-        | Error(e) => Error(e)
-        }
-      }
-
-    let ensureIsRenderedAndGetShape = (params, t) =>
-      switch ensureIsRendered(params, t) {
-      | Ok(#RenderedDist(r)) => Ok(r)
-      | Ok(_) => Error("Did not render as requested")
-      | Error(e) => Error(e)
-      }
-
-    let getShape = (item: node) =>
-      switch item {
-      | #RenderedDist(r) => Some(r)
+  module Node = {
+    let getFloat = (node: node) =>
+      node |> (
+        x =>
+          switch x {
+          | #RenderedDist(Discrete({xyShape: {xs: [x], ys: [1.0]}})) => Some(x)
+          | #SymbolicDist(#Float(x)) => Some(x)
           | _ => None
           }
+      )
 
-    let _toFloat = (t: PointSetTypes.pointSetDist) =>
-      switch t {
-      | Discrete({xyShape: {xs: [x], ys: [1.0]}}) => Some(#SymbolicDist(#Float(x)))
-      | _ => None
-      }
-
-    let toFloat = (item: node): result<node, string> =>
-      item |> getShape |> E.O.bind(_, _toFloat) |> E.O.toResult("Not valid shape")
-  }
-}
-
-type simplificationResult = [
-  | #Solution(AST.node)
-  | #Error(string)
-  | #NoSolution
-]
-
-module Program = {
-  type statement = [
-    | #Assignment(string, AST.node)
-    | #Expression(AST.node)
-  ]
-  type program = array<statement>
-}
-
-module Node = {
-  let rec toString: AST.node => string = x =>
+    let rec toString: node => string = x =>
       switch x {
       | #SymbolicDist(d) => SymbolicDist.T.toString(d)
       | #RenderedDist(_) => "[renderedShape]"
@@ -183,4 +123,55 @@ module Node = {
         |> Js.String.concatMany(_, ",")) ++
         "}")
       }
+
+    let render = (evaluationParams: evaluationParams, r) =>
+      #Render(r) |> evaluateNode(evaluationParams)
+
+    let ensureIsRendered = (params, t) =>
+      switch t {
+      | #RenderedDist(_) => Ok(t)
+      | _ =>
+        switch render(params, t) {
+        | Ok(#RenderedDist(r)) => Ok(#RenderedDist(r))
+        | Ok(_) => Error("Did not render as requested")
+        | Error(e) => Error(e)
+        }
+      }
+
+    let ensureIsRenderedAndGetShape = (params, t) =>
+      switch ensureIsRendered(params, t) {
+      | Ok(#RenderedDist(r)) => Ok(r)
+      | Ok(_) => Error("Did not render as requested")
+      | Error(e) => Error(e)
+      }
+
+    let toPointSetDist = (item: node) =>
+      switch item {
+      | #RenderedDist(r) => Some(r)
+      | _ => None
+      }
+
+    let _toFloat = (t: PointSetTypes.pointSetDist) =>
+      switch t {
+      | Discrete({xyShape: {xs: [x], ys: [1.0]}}) => Some(#SymbolicDist(#Float(x)))
+      | _ => None
+      }
+
+    let toFloat = (item: node): result<node, string> =>
+      item |> toPointSetDist |> E.O.bind(_, _toFloat) |> E.O.toResult("Not valid shape")
+  }
+}
+
+type simplificationResult = [
+  | #Solution(AST.node)
+  | #Error(string)
+  | #NoSolution
+]
+
+module Program = {
+  type statement = [
+    | #Assignment(string, AST.node)
+    | #Expression(AST.node)
+  ]
+  type program = array<statement>
 }

packages/squiggle-lang/src/rescript/interpreter/PTypes.res

@@ -81,7 +81,7 @@ module SamplingDistribution = {
 
   let renderIfIsNotSamplingDistribution = (params, t): result<node, string> =>
     !isSamplingDistribution(t)
-      ? switch Render.render(params, t) {
+      ? switch Node.render(params, t) {
         | Ok(r) => Ok(r)
         | Error(e) => Error(e)
         }

packages/squiggle-lang/src/rescript/interpreter/typeSystem/TypeSystem.res

@@ -1,5 +1,5 @@
 type node = ASTTypes.AST.node
-let getFloat = ASTTypes.AST.getFloat
+let getFloat = ASTTypes.AST.Node.getFloat
 
 type samplingDist = [
   | #SymbolicDist(SymbolicDistTypes.symbolicDist)
@@ -61,7 +61,7 @@ module TypedValue = {
       |> E.A.fmap(((name, t)) => fromNode(t) |> E.R.fmap(r => (name, r)))
       |> E.A.R.firstErrorOrOpen
       |> E.R.fmap(r => #Hash(r))
-    | e => Error("Wrong type: " ++ ASTTypes.Node.toString(e))
+    | e => Error("Wrong type: " ++ ASTTypes.AST.Node.toString(e))
     }
 
   // todo: Arrays and hashes
@@ -78,7 +78,7 @@ module TypedValue = {
         node,
       ) |> E.R.bind(_, fromNode)
     | (#RenderedDistribution, _) =>
-      ASTTypes.AST.Render.render(evaluationParams, node) |> E.R.bind(_, fromNode)
+      ASTTypes.AST.Node.render(evaluationParams, node) |> E.R.bind(_, fromNode)
     | (#Array(_type), #Array(b)) =>
       b
       |> E.A.fmap(fromNodeWithTypeCoercion(evaluationParams, _type))