add createFn

8 files changed, 0 insertions, 352 deletions

diff --git a/src/js-lang/builtin/builtin.ts b/src/js-lang/builtin/builtin.ts
deleted file mode 100644
index dde91b6..0000000
--- a/src/js-lang/builtin/builtin.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-type BUILTIN = (args: any[]) => any;
-
-export const V_BUILTIN_Arr: BUILTIN = (args) => args;
-
-// FIXME actually implement this properly
-export const V_BUILTIN_ToString: BUILTIN = (args) =>
-  args.length === 1 ? JSON.stringify(args[0]) : JSON.stringify(args);
-
-export const V_BUILTIN_Add: BUILTIN = (args) => {
-  if (args.every((arg) => ["string", "number"].includes(typeof arg))) {
-    return args.reduce(
-      (acc, cur) => acc + cur,
-      typeof args[0] === "string" ? "" : 0
-    );
-  }
-
-  throw new Error(`Cannot add operands ${JSON.stringify(args, undefined, 2)}`);
-};
-
-export const V_BUILTIN_Mul: BUILTIN = (args) => {
-  if (args.every((arg) => typeof arg === "number") && args.length === 2) {
-    return args.reduce((acc, cur) => acc * cur, 1);
-  }
-
-  throw new Error(
-    `Can only multiply [number, number], but got ${JSON.stringify(
-      args,
-      undefined,
-      2
-    )}`
-  );
-};
-
-export const nameToBUILTIN: Record<string, BUILTIN> = {
-  arr: V_BUILTIN_Arr,
-  tostring: V_BUILTIN_ToString,
-  add: V_BUILTIN_Add,
-  mul: V_BUILTIN_Mul,
-};
diff --git a/src/js-lang/builtin/index.ts b/src/js-lang/builtin/index.ts
deleted file mode 100644
index 00e77f7..0000000
--- a/src/js-lang/builtin/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from "./builtin";
-export * from "./sbuiltin";
diff --git a/src/js-lang/builtin/sbuiltin.ts b/src/js-lang/builtin/sbuiltin.ts
deleted file mode 100644
index 44c969d..0000000
--- a/src/js-lang/builtin/sbuiltin.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { callFn, getEvaluatedChildren } from "../core/eval";
-import { ASTNode, FnPrim, StackFrame } from "../../ts-lang";
-
-type SBUILTIN = (node: ASTNode, frame: StackFrame) => any;
-
-export const V_SBUITLIN_Call: SBUILTIN = (node, frame) => {
-  const children = getEvaluatedChildren(node, frame);
-  const fn = children[0] as FnPrim | undefined;
-
-  if (!fn?.fn) {
-    throw new Error(
-      `Invalid params for function call: ${JSON.stringify(
-        children,
-        undefined,
-        2
-      )}`
-    );
-  }
-
-  return callFn(fn, children.slice(1), frame);
-};
-
-export const V_SBUILTIN_Map: SBUILTIN = (node, frame) => {
-  const children = getEvaluatedChildren(node, frame);
-  const fn = children[1] as FnPrim | undefined;
-
-  if (!fn?.fn) {
-    throw new Error(
-      `Invalid params for map: ${JSON.stringify(children, undefined, 2)}`
-    );
-  }
-
-  const values = children[0];
-
-  if (!Array.isArray(values)) {
-    // add to ts
-    throw new Error(`Can't map non-array value: ${values}`);
-  }
-
-  return values.map((v, i) => callFn(fn, [v, i], frame));
-};
-
-export const nameToSBUILTIN: Record<string, SBUILTIN> = {
-  call: V_SBUITLIN_Call,
-  map: V_SBUILTIN_Map,
-};
diff --git a/src/js-lang/core/eval.ts b/src/js-lang/core/eval.ts
deleted file mode 100644
index 60a2059..0000000
--- a/src/js-lang/core/eval.ts
+++ /dev/null
@@ -1,83 +0,0 @@
-import {
-  ASTNode,
-  StackFrame,
-  Evaluate,
-  EmptyStackFrame,
-  NodeType,
-  FnPrim,
-  SENTINEL_NO_BUILTIN,
-} from "../../ts-lang";
-import { nameToBUILTIN, nameToSBUILTIN, V_SBUILTIN_Map } from "../builtin";
-
-const V_SENTINEL_NO_BUILTIN: SENTINEL_NO_BUILTIN = "__NO_BUILTIN__";
-
-const mapBuiltins = (node: ASTNode, frame: StackFrame): any => {
-  if (node.name in nameToSBUILTIN) {
-    return nameToSBUILTIN[node.name](node, frame);
-  }
-  if (node.name in nameToBUILTIN) {
-    return nameToBUILTIN[node.name](getEvaluatedChildren(node, frame));
-  }
-
-  return V_SENTINEL_NO_BUILTIN;
-};
-
-const findInStack = (frame: StackFrame, nameToFind: string) => {
-  if (nameToFind in frame.bindings) {
-    return frame.bindings[nameToFind];
-  }
-
-  if (!frame.parent) {
-    throw new Error(`Can't find name ${nameToFind} on the stack`);
-  }
-
-  return findInStack(frame.parent, nameToFind);
-};
-
-const handleFn = (node: ASTNode): FnPrim => {
-  const fn = node.children[node.children.length - 1];
-
-  return {
-    args: node.children.slice(0, node.children.length - 1),
-    fn,
-  };
-};
-
-const mapZip = (args: ASTNode[], values: any[]) =>
-  Object.fromEntries(args.map(({ name }, i) => [name, values[i]]));
-
-export const callFn = (fn: FnPrim, values: any[], frame: StackFrame) =>
-  _evaluate(fn.fn, {
-    bindings: mapZip(fn.args as ASTNode[], values),
-    parent: frame,
-  });
-
-export const _evaluate = (node: ASTNode, frame: StackFrame) => {
-  if (node.type === NodeType.INT) {
-    return node.value;
-  }
-
-  if (node.type === NodeType.EXT) {
-    if (node.name === "fn") {
-      return handleFn(node);
-    }
-
-    const builtinResult = mapBuiltins(node, frame);
-    if (builtinResult !== V_SENTINEL_NO_BUILTIN) {
-      return builtinResult;
-    }
-
-    return findInStack(frame, node.name);
-  }
-
-  throw new Error(`Unhandled node type ${node.type}`);
-};
-
-export const getEvaluatedChildren = (node: ASTNode, frame: StackFrame) =>
-  node.children.map((child) => _evaluate(child, frame));
-
-export const emptyStackFrame: EmptyStackFrame = { bindings: {}, parent: null };
-
-export const evaluate = <const Node extends ASTNode>(
-  node: Node
-): Evaluate<Node> => _evaluate(node, emptyStackFrame) as Evaluate<Node>;
diff --git a/src/js-lang/core/index.ts b/src/js-lang/core/index.ts
deleted file mode 100644
index 22ac2d2..0000000
--- a/src/js-lang/core/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export * from "./eval";
-export * from "./parser";
-export * from "./lexer";
diff --git a/src/js-lang/core/lexer.ts b/src/js-lang/core/lexer.ts
deleted file mode 100644
index 95e0e19..0000000
--- a/src/js-lang/core/lexer.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { TokenType, Lex, Token } from "../../ts-lang";
-
-const WHITESPACE_TOKENS = [
-  TokenType.SPACE,
-  TokenType.COMMA,
-  TokenType.SEMICOLON,
-] as string[];
-
-export const lex = <const Raw extends string>(raw: Raw): Lex<Raw> => {
-  let _raw: string = raw;
-  let nameCollection = "";
-  const tokens: Token[] = [];
-
-  while (_raw) {
-    const head = _raw[0];
-    _raw = _raw.slice(1);
-
-    const processNameCollection = () => {
-      if (nameCollection) {
-        tokens.push({ type: TokenType.NAME, name: nameCollection });
-        nameCollection = "";
-      }
-    };
-
-    if (WHITESPACE_TOKENS.includes(head)) {
-      processNameCollection();
-      continue;
-    }
-
-    if (head === TokenType.OPEN_PAREN) {
-      processNameCollection();
-      tokens.push({ type: TokenType.OPEN_PAREN, name: "" });
-      continue;
-    }
-
-    if (head === TokenType.CLOSE_PAREN) {
-      processNameCollection();
-      tokens.push({ type: TokenType.CLOSE_PAREN, name: "" });
-      continue;
-    }
-
-    nameCollection += head;
-  }
-
-  return tokens as Lex<Raw>;
-};
diff --git a/src/js-lang/core/parser.ts b/src/js-lang/core/parser.ts
deleted file mode 100644
index f193d6a..0000000
--- a/src/js-lang/core/parser.ts
+++ /dev/null
@@ -1,132 +0,0 @@
-import { Token, Parse, TokenType, ASTNode, NodeType } from "../../ts-lang";
-import { lex } from "./lexer";
-
-const resolveNodeFromToken = (token: Token): ASTNode => {
-  // FIXME not correct
-  if (!isNaN(Number(token.name))) {
-    return {
-      type: NodeType.INT,
-      name: "",
-      value: Number(token.name),
-      children: [],
-    };
-  }
-  if (token.name[0] === '"' && token.name[token.name.length - 1] === '"') {
-    return {
-      type: NodeType.INT,
-      name: "",
-      value: token.name.slice(1, token.name.length - 1),
-      children: [],
-    };
-  }
-  return {
-    type: NodeType.EXT,
-    name: token.name,
-    value: null,
-    children: [],
-  };
-};
-
-const _parse = ({
-  remainingTokens,
-  lastToken,
-  stack,
-}: {
-  remainingTokens: Token[];
-  lastToken: Token | null;
-  stack: ASTNode[];
-}): ASTNode | null => {
-  const head = remainingTokens.shift();
-  if (!head) {
-    if (lastToken) {
-      (stack[stack.length - 1].children as ASTNode[]).push(
-        resolveNodeFromToken(lastToken)
-      );
-
-      return _parse({
-        lastToken: null,
-        remainingTokens: [],
-        stack,
-      });
-    }
-
-    return stack[0] ?? null;
-  }
-
-  if (lastToken) {
-    if (head.type === TokenType.NAME) {
-      (stack[stack.length - 1].children as ASTNode[]).push(
-        resolveNodeFromToken(lastToken)
-      );
-      return _parse({
-        lastToken: head,
-        remainingTokens,
-        stack,
-      });
-    }
-
-    if (head.type === TokenType.CLOSE_PAREN) {
-      const top = stack.pop()!;
-      (top.children as ASTNode[]).push(resolveNodeFromToken(lastToken));
-      (stack[stack.length - 1].children as ASTNode[]).push(top);
-
-      return _parse({
-        lastToken: null,
-        remainingTokens,
-        stack,
-      });
-    }
-
-    if (head.type === TokenType.OPEN_PAREN) {
-      return _parse({
-        lastToken: null,
-        remainingTokens,
-        stack: [...stack, resolveNodeFromToken(lastToken)],
-      });
-    }
-
-    throw new Error(
-      `${JSON.stringify({
-        lastToken,
-        remainingTokens,
-        stack,
-      })} Was not expecting ${head.type}`
-    );
-  }
-
-  if (head.type === TokenType.NAME) {
-    return _parse({
-      lastToken: head,
-      remainingTokens,
-      stack,
-    });
-  }
-
-  if (head.type === TokenType.CLOSE_PAREN) {
-    const top = stack.pop()!;
-    (stack[stack.length - 1].children as ASTNode[]).push(top);
-
-    return _parse({
-      lastToken: null,
-      remainingTokens,
-      stack,
-    });
-  }
-
-  throw new Error(
-    `${JSON.stringify({
-      lastToken,
-      remainingTokens,
-      stack,
-    })} Expected nextToken to be a name or close paren at ${head.type}`
-  );
-};
-
-export const parse = <const Raw extends readonly Token[]>(
-  raw: Raw
-): Parse<Raw> =>
-  _parse({
-    remainingTokens: raw as unknown as Token[],
-    lastToken: null,
-    stack: [{ type: NodeType.EXT, name: "arr", value: null, children: [] }],
-  }) as Parse<Raw>;
diff --git a/src/js-lang/index.ts b/src/js-lang/index.ts
deleted file mode 100644
index 8d119de..0000000
--- a/src/js-lang/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "./core";