$ can be in an identifier now

[example] update scripts script
remove lezer parser & grammar
2025-12-10 13:57:13 -08:00 · 2025-12-10 13:41:13 -08:00 · 2025-12-10 13:23:26 -08:00 · 2025-12-10 11:57:58 -08:00 · 2025-12-10 11:26:57 -08:00 · 2025-12-10 11:26:22 -08:00
36 changed files with 224 additions and 1365 deletions
--- a/examples/license.sh
+++ b/examples/license.sh
@ -0,0 +1,31 @@
+#!/usr/bin/env shrimp
+
+year = date.now | date.year
+project = fs.pwd | fs.basename | str.titlecase
+
+{
+
+Copyright $year $project Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+
+}
+
+| str.trim
+| echo
--- a/examples/scripts.sh
+++ b/examples/scripts.sh
@ -0,0 +1,9 @@
+#!/usr/bin/env shrimp
+
+if not fs.exists? 'package.json':
+  echo '🦐 package.json not found'
+  exit 1
+end
+
+package = fs.read 'package.json' | json.decode
+package.scripts | dict.keys | list.sort | each do x: echo x end
--- a/package.json
+++ b/package.json
@ -5,9 +5,8 @@
  "private": true,
  "type": "module",
  "scripts": {
-    "dev": "bun generate-parser && bun --hot src/server/server.tsx",
-    "generate-parser": "lezer-generator src/parser/shrimp.grammar --typeScript -o src/parser/shrimp.ts",
-    "repl": "bun generate-parser && bun bin/repl",
+    "dev": "bun --hot src/server/server.tsx",
+    "repl": "bun bin/repl",
    "update-reef": "rm -rf ~/.bun/install/cache/ && rm bun.lock && bun update reefvm",
    "cli:install": "ln -s \"$(pwd)/bin/shrimp\" ~/.bun/bin/shrimp",
    "cli:remove": "rm ~/.bun/bin/shrimp",
--- a/src/compiler/compiler.ts
+++ b/src/compiler/compiler.ts
@ -1,9 +1,6 @@
 import { CompilerError } from '#compiler/compilerError.ts'
-import { parse } from '#parser/parser2'
+import { parse, setGlobals } from '#parser/parser2'
 import { SyntaxNode, Tree } from '#parser/node'
-import { parser } from '#parser/shrimp.ts'
-import * as terms from '#parser/shrimp.terms'
-import { setGlobals } from '#parser/tokenizer'
 import { tokenizeCurlyString } from '#parser/curlyTokenizer'
 import { assert, errorMessage } from '#utils/utils'
 import { toBytecode, type Bytecode, type ProgramItem, bytecodeToString } from 'reefvm'
@ -91,7 +88,7 @@ export class Compiler {
  }

  #compileCst(cst: Tree, input: string) {
-    const isProgram = cst.topNode.type.id === terms.Program
+    const isProgram = cst.topNode.type.is('Program')
    assert(isProgram, `Expected Program node, got ${cst.topNode.type.name}`)

    let child = cst.topNode.firstChild
@ -107,8 +104,8 @@ export class Compiler {
    const value = input.slice(node.from, node.to)
    if (DEBUG) console.log(`🫦  ${node.name}: ${value}`)

-    switch (node.type.id) {
-      case terms.Number:
+    switch (node.type.name) {
+      case 'Number':
        // Handle sign prefix for hex, binary, and octal literals
        // Number() doesn't parse '-0xFF', '+0xFF', '-0o77', etc. correctly
        let numberValue: number
@ -125,8 +122,8 @@ export class Compiler {

        return [[`PUSH`, numberValue]]

-      case terms.String: {
-        if (node.firstChild?.type.id === terms.CurlyString)
+      case 'String': {
+        if (node.firstChild?.type.is('CurlyString'))
          return this.#compileCurlyString(value, input)

        const { parts, hasInterpolation } = getStringParts(node, input)
@ -143,19 +140,19 @@ export class Compiler {
        parts.forEach((part) => {
          const partValue = input.slice(part.from, part.to)

-          switch (part.type.id) {
-            case terms.StringFragment:
+          switch (part.type.name) {
+            case 'StringFragment':
              // Plain text fragment - just push as-is
              instructions.push(['PUSH', partValue])
              break

-            case terms.EscapeSeq:
+            case 'EscapeSeq':
              // Process escape sequence and push the result
              const processed = processEscapeSeq(partValue)
              instructions.push(['PUSH', processed])
              break

-            case terms.Interpolation:
+            case 'Interpolation':
              // Interpolation contains either Identifier or ParenExpr (the $ is anonymous)
              const child = part.firstChild
              if (!child) {
@ -179,15 +176,15 @@ export class Compiler {
        return instructions
      }

-      case terms.Boolean: {
+      case 'Boolean': {
        return [[`PUSH`, value === 'true']]
      }

-      case terms.Null: {
+      case 'Null': {
        return [[`PUSH`, null]]
      }

-      case terms.Regex: {
+      case 'Regex': {
        // remove the surrounding slashes and any flags
        const [_, pattern, flags] = value.match(/^\/\/(.*)\/\/([gimsuy]*)$/) || []
        if (!pattern) {
@ -204,15 +201,15 @@ export class Compiler {
        return [['PUSH', regex]]
      }

-      case terms.Identifier: {
+      case 'Identifier': {
        return [[`TRY_LOAD`, value]]
      }

-      case terms.Word: {
+      case 'Word': {
        return [['PUSH', value]]
      }

-      case terms.DotGet: {
+      case 'DotGet': {
        // DotGet is parsed into a nested tree because it's hard to parse it into a flat one.
        // However, we want a flat tree - so we're going to pretend like we are getting one from the parser.
        //
@ -224,7 +221,7 @@ export class Compiler {
        instructions.push(['TRY_LOAD', objectName])

        const flattenProperty = (prop: SyntaxNode): void => {
-          if (prop.type.id === terms.DotGet) {
+          if (prop.type.is('DotGet')) {
            const nestedParts = getDotGetParts(prop, input)

            const nestedObjectValue = input.slice(nestedParts.object.from, nestedParts.object.to)
@ -233,7 +230,7 @@ export class Compiler {

            flattenProperty(nestedParts.property)
          } else {
-            if (prop.type.id === terms.ParenExpr) {
+            if (prop.type.is('ParenExpr')) {
              instructions.push(...this.#compileNode(prop, input))
            } else {
              const propertyValue = input.slice(prop.from, prop.to)
@ -247,7 +244,7 @@ export class Compiler {
        return instructions
      }

-      case terms.BinOp: {
+      case 'BinOp': {
        const { left, op, right } = getBinaryParts(node)
        const instructions: ProgramItem[] = []
        instructions.push(...this.#compileNode(left, input))
@ -295,7 +292,7 @@ export class Compiler {
        return instructions
      }

-      case terms.Assign: {
+      case 'Assign': {
        const assignParts = getAssignmentParts(node)
        const instructions: ProgramItem[] = []

@ -326,7 +323,7 @@ export class Compiler {
        return instructions
      }

-      case terms.CompoundAssign: {
+      case 'CompoundAssign': {
        const { identifier, operator, right } = getCompoundAssignmentParts(node)
        const identifierName = input.slice(identifier.from, identifier.to)
        const instructions: ProgramItem[] = []
@ -388,14 +385,14 @@ export class Compiler {
        return instructions
      }

-      case terms.ParenExpr: {
+      case 'ParenExpr': {
        const child = node.firstChild
        if (!child) return [] // I guess it is empty parentheses?

        return this.#compileNode(child, input)
      }

-      case terms.FunctionDef: {
+      case 'FunctionDef': {
        const { paramNames, bodyNodes, catchVariable, catchBody, finallyBody } =
          getFunctionDefParts(node, input)
        const instructions: ProgramItem[] = []
@ -441,8 +438,8 @@ export class Compiler {
        return instructions
      }

-      case terms.FunctionCallOrIdentifier: {
-        if (node.firstChild?.type.id === terms.DotGet) {
+      case 'FunctionCallOrIdentifier': {
+        if (node.firstChild?.type.is('DotGet')) {
          const instructions: ProgramItem[] = []
          const callLabel: Label = `.call_dotget_${++this.labelCount}`
          const afterLabel: Label = `.after_dotget_${++this.labelCount}`
@ -484,8 +481,8 @@ export class Compiler {
      PUSH 1              ; Named count
      CALL
      */
-      case terms.FunctionCallWithNewlines:
-      case terms.FunctionCall: {
+
+      case 'FunctionCall': {
        const { identifierNode, namedArgs, positionalArgs } = getFunctionCallParts(node, input)
        const instructions: ProgramItem[] = []
        instructions.push(...this.#compileNode(identifierNode, input))
@ -507,7 +504,7 @@ export class Compiler {
        return instructions
      }

-      case terms.Block: {
+      case 'Block': {
        const children = getAllChildren(node)
        const instructions: ProgramItem[] = []

@ -522,7 +519,7 @@ export class Compiler {
        return instructions
      }

-      case terms.FunctionCallWithBlock: {
+      case 'FunctionCallWithBlock': {
        const [fn, _colon, ...block] = getAllChildren(node)
        let instructions: ProgramItem[] = []

@ -540,13 +537,13 @@ export class Compiler {
        instructions.push(['RETURN'])
        instructions.push([`${afterLabel}:`])

-        if (fn?.type.id === terms.FunctionCallOrIdentifier) {
+        if (fn?.type.is('FunctionCallOrIdentifier')) {
          instructions.push(['LOAD', input.slice(fn!.from, fn!.to)])
          instructions.push(['MAKE_FUNCTION', [], fnLabel])
          instructions.push(['PUSH', 1])
          instructions.push(['PUSH', 0])
          instructions.push(['CALL'])
-        } else if (fn?.type.id === terms.FunctionCall) {
+        } else if (fn?.type.is('FunctionCall')) {
          let body = this.#compileNode(fn!, input)
          const namedArgCount = (body[body.length - 2]![1] as number) * 2
          const startSlice = body.length - namedArgCount - 3
@ -569,7 +566,7 @@ export class Compiler {
        return instructions
      }

-      case terms.TryExpr: {
+      case 'TryExpr': {
        const { tryBlock, catchVariable, catchBody, finallyBody } = getTryExprParts(node, input)

        return this.#compileTryCatchFinally(
@ -581,12 +578,14 @@ export class Compiler {
        )
      }

-      case terms.Throw: {
+      case 'Throw':
+      case 'Not': {
+        const keyword = node.type.is('Throw') ? 'Throw' : 'Not'
        const children = getAllChildren(node)
        const [_throwKeyword, expression] = children
        if (!expression) {
          throw new CompilerError(
-            `Throw expected expression, got ${children.length} children`,
+            `${keyword} expected expression, got ${children.length} children`,
            node.from,
            node.to
          )
@ -594,12 +593,12 @@ export class Compiler {

        const instructions: ProgramItem[] = []
        instructions.push(...this.#compileNode(expression, input))
-        instructions.push(['THROW'])
+        instructions.push([keyword.toUpperCase()]) // THROW or NOT

        return instructions
      }

-      case terms.IfExpr: {
+      case 'IfExpr': {
        const { conditionNode, thenBlock, elseIfBlocks, elseThenBlock } = getIfExprParts(
          node,
          input
@ -642,7 +641,7 @@ export class Compiler {
      }

      // - `EQ`, `NEQ`, `LT`, `GT`, `LTE`, `GTE` - Pop 2, push boolean
-      case terms.ConditionalOp: {
+      case 'ConditionalOp': {
        const instructions: ProgramItem[] = []
        const { left, op, right } = getBinaryParts(node)
        const leftInstructions: ProgramItem[] = this.#compileNode(left, input)
@ -717,7 +716,7 @@ export class Compiler {
        return instructions
      }

-      case terms.PipeExpr: {
+      case 'PipeExpr': {
        const { pipedFunctionCall, pipeReceivers } = getPipeExprParts(node)
        if (!pipedFunctionCall || pipeReceivers.length === 0) {
          throw new CompilerError('PipeExpr must have at least two operands', node.from, node.to)
@ -739,11 +738,11 @@ export class Compiler {
          instructions.push(...this.#compileNode(identifierNode, input))

          const isUnderscoreInPositionalArgs = positionalArgs.some(
-            (arg) => arg.type.id === terms.Underscore
+            (arg) => arg.type.is('Underscore')
          )
          const isUnderscoreInNamedArgs = namedArgs.some((arg) => {
            const { valueNode } = getNamedArgParts(arg, input)
-            return valueNode.type.id === terms.Underscore
+            return valueNode.type.is('Underscore')
          })

          const shouldPushPositionalArg = !isUnderscoreInPositionalArgs && !isUnderscoreInNamedArgs
@ -754,7 +753,7 @@ export class Compiler {
          }

          positionalArgs.forEach((arg) => {
-            if (arg.type.id === terms.Underscore) {
+            if (arg.type.is('Underscore')) {
              instructions.push(['LOAD', pipeValName])
            } else {
              instructions.push(...this.#compileNode(arg, input))
@ -764,7 +763,7 @@ export class Compiler {
          namedArgs.forEach((arg) => {
            const { name, valueNode } = getNamedArgParts(arg, input)
            instructions.push(['PUSH', name])
-            if (valueNode.type.id === terms.Underscore) {
+            if (valueNode.type.is('Underscore')) {
              instructions.push(['LOAD', pipeValName])
            } else {
              instructions.push(...this.#compileNode(valueNode, input))
@ -779,14 +778,14 @@ export class Compiler {
        return instructions
      }

-      case terms.Array: {
+      case 'Array': {
        const children = getAllChildren(node)

        // We can easily parse [=] as an empty dict, but `[ = ]` is tougher.
        // = can be a valid word, and is also valid inside words, so for now we cheat
        // and check for arrays that look like `[ = ]` to interpret them as
        // empty dicts
-        if (children.length === 1 && children[0]!.type.id === terms.Word) {
+        if (children.length === 1 && children[0]!.type.is('Word')) {
          const child = children[0]!
          if (input.slice(child.from, child.to) === '=') {
            return [['MAKE_DICT', 0]]
@ -798,7 +797,7 @@ export class Compiler {
        return instructions
      }

-      case terms.Dict: {
+      case 'Dict': {
        const children = getAllChildren(node)
        const instructions: ProgramItem[] = []

@ -817,7 +816,7 @@ export class Compiler {
        return instructions
      }

-      case terms.WhileExpr: {
+      case 'WhileExpr': {
        const [_while, test, _colon, block] = getAllChildren(node)
        const instructions: ProgramItem[] = []

@ -835,11 +834,11 @@ export class Compiler {
        return instructions
      }

-      case terms.Import: {
+      case 'Import': {
        const instructions: ProgramItem[] = []
        const [_import, ...nodes] = getAllChildren(node)
-        const args = nodes.filter(node => node.type.id === terms.Identifier)
-        const namedArgs = nodes.filter(node => node.type.id === terms.NamedArg)
+        const args = nodes.filter(node => node.type.is('Identifier'))
+        const namedArgs = nodes.filter(node => node.type.is('NamedArg'))

        instructions.push(['LOAD', 'import'])

@ -860,13 +859,13 @@ export class Compiler {
        return instructions
      }

-      case terms.Comment: {
+      case 'Comment': {
        return [] // ignore comments
      }

      default:
        throw new CompilerError(
-          `Compiler doesn't know how to handle a "${node.type.name}" (${node.type.id}) node.`,
+          `Compiler doesn't know how to handle a "${node.type.name}" node.`,
          node.from,
          node.to
        )
--- a/src/compiler/tests/literals.test.ts
+++ b/src/compiler/tests/literals.test.ts
@ -258,7 +258,7 @@ describe('curly strings', () => {
  test('interpolation edge cases', () => {
    expect(`{[a=1 b=2 c={wild}]}`).toEvaluateTo(`[a=1 b=2 c={wild}]`)
    expect(`a = 1;b = 2;c = 3;{$a $b $c}`).toEvaluateTo(`1 2 3`)
-    expect(`a = 1;b = 2;c = 3;{$a$b$c}`).toEvaluateTo(`123`)
+    expect(`a = 1;b = 2;c = 3;{$(a)$(b)$(c)}`).toEvaluateTo(`123`)
  })
 })

--- a/src/compiler/utils.ts
+++ b/src/compiler/utils.ts
@ -1,5 +1,4 @@
 import { CompilerError } from '#compiler/compilerError.ts'
-import * as terms from '#parser/shrimp.terms'
 import type { SyntaxNode, Tree } from '#parser/node'

 export const checkTreeForErrors = (tree: Tree): CompilerError[] => {
@ -24,7 +23,7 @@ export const getAllChildren = (node: SyntaxNode): SyntaxNode[] => {
    child = child.nextSibling
  }

-  return children.filter((n) => n.type.id !== terms.Comment)
+  return children.filter((n) => !n.type.is('Comment'))
 }

 export const getBinaryParts = (node: SyntaxNode) => {
@ -51,12 +50,12 @@ export const getAssignmentParts = (node: SyntaxNode) => {
  }

  // array destructuring
-  if (left && left.type.id === terms.Array) {
-    const identifiers = getAllChildren(left).filter((child) => child.type.id === terms.Identifier)
+  if (left && left.type.is('Array')) {
+    const identifiers = getAllChildren(left).filter((child) => child.type.is('Identifier'))
    return { arrayPattern: identifiers, right }
  }

-  if (!left || left.type.id !== terms.AssignableIdentifier) {
+  if (!left || !left.type.is('AssignableIdentifier')) {
    throw new CompilerError(
      `Assign left child must be an AssignableIdentifier or Array, got ${left ? left.type.name : 'none'
      }`,
@ -72,7 +71,7 @@ export const getCompoundAssignmentParts = (node: SyntaxNode) => {
  const children = getAllChildren(node)
  const [left, operator, right] = children

-  if (!left || left.type.id !== terms.AssignableIdentifier) {
+  if (!left || !left.type.is('AssignableIdentifier')) {
    throw new CompilerError(
      `CompoundAssign left child must be an AssignableIdentifier, got ${left ? left.type.name : 'none'
      }`,
@ -103,7 +102,7 @@ export const getFunctionDefParts = (node: SyntaxNode, input: string) => {
  }

  const paramNames = getAllChildren(paramsNode).map((param) => {
-    if (param.type.id !== terms.Identifier && param.type.id !== terms.NamedParam) {
+    if (!param.type.is('Identifier') && !param.type.is('NamedParam')) {
      throw new CompilerError(
        `FunctionDef params must be Identifier or NamedParam, got ${param.type.name}`,
        param.from,
@ -122,7 +121,7 @@ export const getFunctionDefParts = (node: SyntaxNode, input: string) => {
  let finallyBody: SyntaxNode | undefined

  for (const child of rest) {
-    if (child.type.id === terms.CatchExpr) {
+    if (child.type.is('CatchExpr')) {
      catchExpr = child
      const catchChildren = getAllChildren(child)
      const [_catchKeyword, identifierNode, _colon, body] = catchChildren
@ -135,7 +134,7 @@ export const getFunctionDefParts = (node: SyntaxNode, input: string) => {
      }
      catchVariable = input.slice(identifierNode.from, identifierNode.to)
      catchBody = body
-    } else if (child.type.id === terms.FinallyExpr) {
+    } else if (child.type.is('FinallyExpr')) {
      finallyExpr = child
      const finallyChildren = getAllChildren(child)
      const [_finallyKeyword, _colon, body] = finallyChildren
@ -164,9 +163,9 @@ export const getFunctionCallParts = (node: SyntaxNode, input: string) => {
    throw new CompilerError(`FunctionCall expected at least 1 child, got 0`, node.from, node.to)
  }

-  const namedArgs = args.filter((arg) => arg.type.id === terms.NamedArg)
+  const namedArgs = args.filter((arg) => arg.type.is('NamedArg'))
  const positionalArgs = args
-    .filter((arg) => arg.type.id === terms.PositionalArg)
+    .filter((arg) => arg.type.is('PositionalArg'))
    .map((arg) => {
      const child = arg.firstChild
      if (!child) throw new CompilerError(`PositionalArg has no child`, arg.from, arg.to)
@ -207,13 +206,13 @@ export const getIfExprParts = (node: SyntaxNode, input: string) => {
  rest.forEach((child) => {
    const parts = getAllChildren(child)

-    if (child.type.id === terms.ElseExpr) {
+    if (child.type.is('ElseExpr')) {
      if (parts.length !== 3) {
        const message = `ElseExpr expected 1 child, got ${parts.length}`
        throw new CompilerError(message, child.from, child.to)
      }
      elseThenBlock = parts.at(-1)
-    } else if (child.type.id === terms.ElseIfExpr) {
+    } else if (child.type.is('ElseIfExpr')) {
      const [_else, _if, conditional, _colon, thenBlock] = parts
      if (!conditional || !thenBlock) {
        const names = parts.map((p) => p.type.name).join(', ')
@ -248,10 +247,10 @@ export const getStringParts = (node: SyntaxNode, input: string) => {
  // The text is just between the quotes
  const parts = children.filter((child) => {
    return (
-      child.type.id === terms.StringFragment ||
-      child.type.id === terms.Interpolation ||
-      child.type.id === terms.EscapeSeq ||
-      child.type.id === terms.CurlyString
+      child.type.is('StringFragment') ||
+      child.type.is('Interpolation') ||
+      child.type.is('EscapeSeq') ||
+      child.type.is('CurlyString')

    )
  })
@ -259,10 +258,10 @@ export const getStringParts = (node: SyntaxNode, input: string) => {
  // Validate each part is the expected type
  parts.forEach((part) => {
    if (
-      part.type.id !== terms.StringFragment &&
-      part.type.id !== terms.Interpolation &&
-      part.type.id !== terms.EscapeSeq &&
-      part.type.id !== terms.CurlyString
+      part.type.is('StringFragment') &&
+      part.type.is('Interpolation') &&
+      part.type.is('EscapeSeq') &&
+      part.type.is('CurlyString')
    ) {
      throw new CompilerError(
        `String child must be StringFragment, Interpolation, or EscapeSeq, got ${part.type.name}`,
@ -275,7 +274,7 @@ export const getStringParts = (node: SyntaxNode, input: string) => {
  // hasInterpolation means the string has interpolation ($var) or escape sequences (\n)
  // A simple string like 'hello' has one StringFragment but no interpolation
  const hasInterpolation = parts.some(
-    (p) => p.type.id === terms.Interpolation || p.type.id === terms.EscapeSeq
+    (p) => p.type.is('Interpolation') || p.type.is('EscapeSeq')
  )
  return { parts, hasInterpolation }
 }
@ -292,7 +291,7 @@ export const getDotGetParts = (node: SyntaxNode, input: string) => {
    )
  }

-  if (object.type.id !== terms.IdentifierBeforeDot && object.type.id !== terms.Dollar) {
+  if (!object.type.is('IdentifierBeforeDot')) {
    throw new CompilerError(
      `DotGet object must be an IdentifierBeforeDot, got ${object.type.name}`,
      object.from,
@ -300,7 +299,7 @@ export const getDotGetParts = (node: SyntaxNode, input: string) => {
    )
  }

-  if (![terms.Identifier, terms.Number, terms.ParenExpr, terms.DotGet].includes(property.type.id)) {
+  if (!['Identifier', 'Number', 'ParenExpr', 'DotGet'].includes(property.type.name)) {
    throw new CompilerError(
      `DotGet property must be an Identifier, Number, ParenExpr, or DotGet, got ${property.type.name}`,
      property.from,
@ -334,7 +333,7 @@ export const getTryExprParts = (node: SyntaxNode, input: string) => {
  let finallyBody: SyntaxNode | undefined

  rest.forEach((child) => {
-    if (child.type.id === terms.CatchExpr) {
+    if (child.type.is('CatchExpr')) {
      catchExpr = child
      const catchChildren = getAllChildren(child)
      const [_catchKeyword, identifierNode, _colon, body] = catchChildren
@ -347,7 +346,7 @@ export const getTryExprParts = (node: SyntaxNode, input: string) => {
      }
      catchVariable = input.slice(identifierNode.from, identifierNode.to)
      catchBody = body
-    } else if (child.type.id === terms.FinallyExpr) {
+    } else if (child.type.is('FinallyExpr')) {
      finallyExpr = child
      const finallyChildren = getAllChildren(child)
      const [_finallyKeyword, _colon, body] = finallyChildren
--- a/src/index.ts
+++ b/src/index.ts
@ -3,7 +3,7 @@ import { VM, fromValue, toValue, isValue, type Bytecode } from 'reefvm'
 import { Compiler } from '#compiler/compiler'
 import { parse } from '#parser/parser2'
 import { Tree } from '#parser/node'
-import { globals as parserGlobals, setGlobals as setParserGlobals } from '#parser/tokenizer'
+import { globals as parserGlobals, setGlobals as setParserGlobals } from '#parser/parser2'
 import { globals as prelude } from '#prelude'

 export { Compiler } from '#compiler/compiler'
--- a/src/parser/curlyTokenizer.ts
+++ b/src/parser/curlyTokenizer.ts
@ -1,7 +1,6 @@
-import { parser } from '#parser/shrimp.ts'
 import { parse } from '#parser/parser2'
 import type { SyntaxNode } from '#parser/node'
-import { isIdentStart, isIdentChar } from './tokenizer'
+import { isIdentStart, isIdentChar } from './tokenizer2'

 // Turns a { curly string } into strings and nodes for interpolation
 export const tokenizeCurlyString = (value: string): (string | [string, SyntaxNode])[] => {
@ -39,7 +38,7 @@ export const tokenizeCurlyString = (value: string): (string | [string, SyntaxNod

        const input = value.slice(start + 2, pos) // skip '$('
        tokens.push([input, parse(input)])
-        start = ++pos // skip ')'
+        start = pos + 1 // start after ')'
      } else {
        char = value[++pos]
        if (!char) break
--- a/src/parser/node.ts
+++ b/src/parser/node.ts
@ -1,5 +1,4 @@
 import { type Token, TokenType } from './tokenizer2'
-import * as term from './shrimp.terms'

 export type NodeType =
  | 'Program'
@ -51,6 +50,7 @@ export type NodeType =
  | 'FinallyExpr'
  | 'Throw'

+  | 'Not'
  | 'Eq'
  | 'Modulo'
  | 'Plus'
@ -139,180 +139,6 @@ export class Tree {
  }
 }

-// TODO: TEMPORARY SHIM
-class SyntaxNodeType {
-  constructor(public nodeType: NodeType, public isError: boolean) { }
-
-  is(other: string) {
-    return this.nodeType === other
-  }
-
-  get id(): number {
-    switch (this.nodeType) {
-      case 'Program':
-        return term.Program
-
-      case 'Block':
-        return term.Block
-
-      case 'FunctionCall':
-        return term.FunctionCall
-
-      case 'FunctionCallOrIdentifier':
-        return term.FunctionCallOrIdentifier
-
-      case 'FunctionCallWithBlock':
-        return term.FunctionCallWithBlock
-
-      case 'PositionalArg':
-        return term.PositionalArg
-
-      case 'NamedArg':
-        return term.NamedArg
-
-      case 'FunctionDef':
-        return term.FunctionDef
-
-      case 'Params':
-        return term.Params
-
-      case 'NamedParam':
-        return term.NamedParam
-
-      case 'Null':
-        return term.Null
-
-      case 'Boolean':
-        return term.Boolean
-
-      case 'Number':
-        return term.Number
-
-      case 'String':
-        return term.String
-
-      case 'StringFragment':
-        return term.StringFragment
-
-      case 'CurlyString':
-        return term.CurlyString
-
-      case 'DoubleQuote':
-        return term.DoubleQuote
-
-      case 'EscapeSeq':
-        return term.EscapeSeq
-
-      case 'Interpolation':
-        return term.Interpolation
-
-      case 'Regex':
-        return term.Regex
-
-      case 'Identifier':
-        return term.Identifier
-
-      case 'AssignableIdentifier':
-        return term.AssignableIdentifier
-
-      case 'IdentifierBeforeDot':
-        return term.IdentifierBeforeDot
-
-      case 'Word':
-        return term.Word
-
-      case 'Array':
-        return term.Array
-
-      case 'Dict':
-        return term.Dict
-
-      case 'Comment':
-        return term.Comment
-
-      case 'BinOp':
-        return term.BinOp
-
-      case 'ConditionalOp':
-        return term.ConditionalOp
-
-      case 'ParenExpr':
-        return term.ParenExpr
-
-      case 'Assign':
-        return term.Assign
-
-      case 'CompoundAssign':
-        return term.CompoundAssign
-
-      case 'DotGet':
-        return term.DotGet
-
-      case 'PipeExpr':
-        return term.PipeExpr
-
-      case 'IfExpr':
-        return term.IfExpr
-
-      case 'ElseIfExpr':
-        return term.ElseIfExpr
-
-      case 'ElseExpr':
-        return term.ElseExpr
-
-      case 'WhileExpr':
-        return term.WhileExpr
-
-      case 'TryExpr':
-        return term.TryExpr
-
-      case 'CatchExpr':
-        return term.CatchExpr
-
-      case 'FinallyExpr':
-        return term.FinallyExpr
-
-      case 'Throw':
-        return term.Throw
-
-      case 'Eq':
-        return term.Eq
-
-      case 'Modulo':
-        return term.Modulo
-
-      case 'Plus':
-        return term.Plus
-
-      case 'Star':
-        return term.Star
-
-      case 'Slash':
-        return term.Slash
-
-      case 'Import':
-        return term.Import
-
-      case 'Do':
-        return term.Do
-
-      case 'Underscore':
-        return term.Underscore
-
-      case 'colon':
-        return term.colon
-
-      case 'keyword':
-        return term.keyword
-    }
-    return 0
-  }
-
-  get name(): string {
-    return this.nodeType
-  }
-}
-
 export class SyntaxNode {
  #type: NodeType
  #isError = false
@ -332,8 +158,13 @@ export class SyntaxNode {
    return new SyntaxNode(TokenType[token.type] as NodeType, token.from, token.to, parent ?? null)
  }

-  get type(): SyntaxNodeType {
-    return new SyntaxNodeType(this.#type, this.#isError)
+  get type(): { type: NodeType, name: NodeType, isError: boolean, is: (other: NodeType) => boolean } {
+    return {
+      type: this.#type,
+      name: this.#type,
+      isError: this.#isError,
+      is: (other: NodeType) => other === this.#type
+    }
  }

  set type(name: NodeType) {
--- a/src/parser/operatorTokenizer.ts
+++ b/src/parser/operatorTokenizer.ts
@ -1,99 +0,0 @@
-import { ExternalTokenizer, InputStream } from '@lezer/lr'
-import * as terms from './shrimp.terms'
-
-type Operator = { str: string; tokenName: keyof typeof terms }
-const operators: Array<Operator> = [
-  { str: 'and', tokenName: 'And' },
-  { str: 'or', tokenName: 'Or' },
-  { str: 'band', tokenName: 'Band' },
-  { str: 'bor', tokenName: 'Bor' },
-  { str: 'bxor', tokenName: 'Bxor' },
-  { str: '>>>', tokenName: 'Ushr' },  // Must come before >>
-  { str: '>>', tokenName: 'Shr' },
-  { str: '<<', tokenName: 'Shl' },
-  { str: '>=', tokenName: 'Gte' },
-  { str: '<=', tokenName: 'Lte' },
-  { str: '!=', tokenName: 'Neq' },
-  { str: '==', tokenName: 'EqEq' },
-
-  // Compound assignment operators (must come before single-char operators)
-  { str: '??=', tokenName: 'NullishEq' },
-  { str: '+=', tokenName: 'PlusEq' },
-  { str: '-=', tokenName: 'MinusEq' },
-  { str: '*=', tokenName: 'StarEq' },
-  { str: '/=', tokenName: 'SlashEq' },
-  { str: '%=', tokenName: 'ModuloEq' },
-
-  // Nullish coalescing (must come before it could be mistaken for other tokens)
-  { str: '??', tokenName: 'NullishCoalesce' },
-
-  // Single-char operators
-  { str: '*', tokenName: 'Star' },
-  { str: '=', tokenName: 'Eq' },
-  { str: '/', tokenName: 'Slash' },
-  { str: '+', tokenName: 'Plus' },
-  { str: '-', tokenName: 'Minus' },
-  { str: '>', tokenName: 'Gt' },
-  { str: '<', tokenName: 'Lt' },
-  { str: '%', tokenName: 'Modulo' },
-]
-
-export const operatorTokenizer = new ExternalTokenizer((input: InputStream) => {
-  for (let operator of operators) {
-    if (!matchesString(input, 0, operator.str)) continue
-    const afterOpPos = operator.str.length
-    const charAfterOp = input.peek(afterOpPos)
-    if (!isWhitespace(charAfterOp)) continue
-
-    // Accept the operator token
-    const token = terms[operator.tokenName]
-    if (token === undefined) {
-      throw new Error(`Unknown token name: ${operator.tokenName}`)
-    }
-
-    input.advance(afterOpPos)
-    input.acceptToken(token)
-
-    return
-  }
-})
-
-const isWhitespace = (ch: number): boolean => {
-  return matchesChar(ch, [' ', '\t', '\n'])
-}
-
-const matchesChar = (ch: number, chars: (string | number)[]): boolean => {
-  for (const c of chars) {
-    if (typeof c === 'number') {
-      if (ch === c) {
-        return true
-      }
-    } else if (ch === c.charCodeAt(0)) {
-      return true
-    }
-  }
-  return false
-}
-
-const matchesString = (input: InputStream, pos: number, str: string): boolean => {
-  for (let i = 0; i < str.length; i++) {
-    if (input.peek(pos + i) !== str.charCodeAt(i)) {
-      return false
-    }
-  }
-  return true
-}
-
-const peek = (numChars: number, input: InputStream): string => {
-  let result = ''
-  for (let i = 0; i < numChars; i++) {
-    const ch = input.peek(i)
-    if (ch === -1) {
-      result += 'EOF'
-      break
-    } else {
-      result += String.fromCharCode(ch)
-    }
-  }
-  return result
-}
--- a/src/parser/parser2.ts
+++ b/src/parser/parser2.ts
@ -1,11 +1,17 @@
 import { CompilerError } from '#compiler/compilerError'
 import { Scanner, type Token, TokenType } from './tokenizer2'
 import { SyntaxNode, operators, precedence, conditionals, compounds } from './node'
-import { globals } from './tokenizer'
 import { parseString } from './stringParser'

 const $T = TokenType

+// tell the dotGet searcher about builtin globals
+export const globals: string[] = []
+export const setGlobals = (newGlobals: string[] | Record<string, any>) => {
+  globals.length = 0
+  globals.push(...(Array.isArray(newGlobals) ? newGlobals : Object.keys(newGlobals)))
+}
+
 export const parse = (input: string): SyntaxNode => {
  const parser = new Parser()
  return parser.parse(input)
@ -216,6 +222,9 @@ export class Parser {
    if (this.is($T.Keyword, 'throw'))
      return this.throw()

+    if (this.is($T.Keyword, 'not'))
+      return this.not()
+
    if (this.is($T.Keyword, 'import'))
      return this.import()

@ -307,7 +316,7 @@ export class Parser {
        break
      }

-      // [ a = true ] 
+      // [ a = true ]
      const next = this.peek(peek)
      if (next?.type === $T.Operator && next.value === '=') {
        isDict = true
@ -760,6 +769,14 @@ export class Parser {
    return node.push(prefix, val)
  }

+  // not blah
+  not(): SyntaxNode {
+    const keyword = this.keyword('not')
+    const val = this.expression()
+    const node = new SyntaxNode('Not', keyword.from, val.to)
+    return node.push(keyword, val)
+  }
+
  // operators like + - =
  op(op?: string): SyntaxNode {
    const token = op ? this.expect($T.Operator, op) : this.expect($T.Operator)
--- a/src/parser/parserScopeContext.ts
+++ b/src/parser/parserScopeContext.ts
@ -1,129 +0,0 @@
-import { ContextTracker, InputStream } from '@lezer/lr'
-import * as terms from './shrimp.terms'
-
-export class Scope {
-  constructor(public parent: Scope | null, public vars = new Set<string>()) { }
-
-  has(name: string): boolean {
-    return this.vars.has(name) || (this.parent?.has(name) ?? false)
-  }
-
-  hash(): number {
-    let h = 0
-    for (const name of this.vars) {
-      for (let i = 0; i < name.length; i++) {
-        h = (h << 5) - h + name.charCodeAt(i)
-        h |= 0
-      }
-    }
-    if (this.parent) {
-      h = (h << 5) - h + this.parent.hash()
-      h |= 0
-    }
-    return h
-  }
-
-  // Static methods that return new Scopes (immutable operations)
-
-  static add(scope: Scope, ...names: string[]): Scope {
-    const newVars = new Set(scope.vars)
-    names.forEach((name) => newVars.add(name))
-    return new Scope(scope.parent, newVars)
-  }
-
-  push(): Scope {
-    return new Scope(this, new Set())
-  }
-
-  pop(): Scope {
-    return this.parent ?? this
-  }
-}
-
-// Tracker context that combines Scope with temporary pending identifiers
-class TrackerContext {
-  constructor(public scope: Scope, public pendingIds: string[] = []) { }
-}
-
-// Extract identifier text from input stream
-const readIdentifierText = (input: InputStream, start: number, end: number): string => {
-  let text = ''
-  for (let i = start; i < end; i++) {
-    const offset = i - input.pos
-    const ch = input.peek(offset)
-    if (ch === -1) break
-    text += String.fromCharCode(ch)
-  }
-  return text
-}
-
-let inParams = false
-
-export const trackScope = new ContextTracker<TrackerContext>({
-  start: new TrackerContext(new Scope(null, new Set())),
-
-  shift(context, term, stack, input) {
-    if (term == terms.Do) inParams = true
-
-    if (term === terms.AssignableIdentifier) {
-      const text = readIdentifierText(input, input.pos, stack.pos)
-      return new TrackerContext(Scope.add(context.scope, text), context.pendingIds)
-    }
-
-    if (inParams && term === terms.Identifier) {
-      const text = readIdentifierText(input, input.pos, stack.pos)
-      return new TrackerContext(context.scope, [...context.pendingIds, text])
-    }
-
-    // Track identifiers in array destructuring: [ a b ] = ...
-    if (!inParams && term === terms.Identifier && isArrayDestructuring(input)) {
-      const text = readIdentifierText(input, input.pos, stack.pos)
-      return new TrackerContext(Scope.add(context.scope, text), context.pendingIds)
-    }
-
-    return context
-  },
-
-  reduce(context, term) {
-    if (term === terms.Params) {
-      inParams = false
-      let newScope = context.scope.push()
-      if (context.pendingIds.length > 0) {
-        newScope = Scope.add(newScope, ...context.pendingIds)
-      }
-      return new TrackerContext(newScope, [])
-    }
-
-    // Pop scope when exiting function
-    if (term === terms.FunctionDef) {
-      return new TrackerContext(context.scope.pop(), [])
-    }
-
-    return context
-  },
-
-  hash: (context) => context.scope.hash(),
-})
-
-// Check if we're parsing array destructuring: [ a b ] = ...
-const isArrayDestructuring = (input: InputStream): boolean => {
-  let pos = 0
-
-  // Find closing bracket
-  while (pos < 200 && input.peek(pos) !== 93 /* ] */) {
-    if (input.peek(pos) === -1) return false // EOF
-    pos++
-  }
-
-  if (input.peek(pos) !== 93 /* ] */) return false
-  pos++
-
-  // Skip whitespace
-  while (input.peek(pos) === 32 /* space */ ||
-    input.peek(pos) === 9 /* tab */ ||
-    input.peek(pos) === 10 /* \n */) {
-    pos++
-  }
-
-  return input.peek(pos) === 61 /* = */
-}
--- a/src/parser/shrimp.grammar
+++ b/src/parser/shrimp.grammar
@ -1,293 +0,0 @@
-@external propSource highlighting from "./highlight"
-
-@context trackScope from "./parserScopeContext"
-
-@skip { space | Comment }
-
-@top Program { item* }
-
-@external tokens operatorTokenizer from "./operatorTokenizer" { Star, Slash, Plus, Minus, And, Or, Eq, EqEq, Neq, Lt, Lte, Gt, Gte, Modulo, PlusEq, MinusEq, StarEq, SlashEq, ModuloEq, Band, Bor, Bxor, Shl, Shr, Ushr, NullishCoalesce, NullishEq }
-
-@tokens {
-  @precedence { Number Regex }
-
-  StringFragment { !['\\$]+ }
-  DoubleQuote { '"' !["]* '"' }
-  NamedArgPrefix { $[a-z] $[a-z0-9-]* "=" }
-  Number {
-    ("-" | "+")? "0x" $[0-9a-fA-F]+ |
-    ("-" | "+")? "0b" $[01]+ |
-    ("-" | "+")? "0o" $[0-7]+ |
-    ("-" | "+")? $[0-9]+ ("_"? $[0-9]+)* ('.' $[0-9]+ ("_"? $[0-9]+)*)?
-  }
-  Boolean { "true" | "false" }
-  semicolon { ";" }
-  eof { @eof }
-  space { " " | "\t" }
-  Comment { "#" ![\n]* }
-  leftParen { "(" }
-  rightParen { ")" }
-  colon[closedBy="end", @name="colon"] { ":" }
-  Underscore { "_" }
-  Dollar { "$" }
-  Regex { "//" (![/\\\n[] | "\\" ![\n] | "[" (![\n\\\]] | "\\" ![\n])* "]")+ ("//" $[gimsuy]*)? } // Stolen from the lezer JavaScript grammar
-  "|"[@name=operator]
-}
-
-newlineOrSemicolon { newline | semicolon }
-
-end { @specialize[@name=keyword]<Identifier, "end"> }
-while { @specialize[@name=keyword]<Identifier, "while"> }
-if { @specialize[@name=keyword]<Identifier, "if"> }
-else { @specialize[@name=keyword]<Identifier, "else"> }
-try { @specialize[@name=keyword]<Identifier, "try"> }
-catch { @specialize[@name=keyword]<Identifier, "catch"> }
-finally { @specialize[@name=keyword]<Identifier, "finally"> }
-throw { @specialize[@name=keyword]<Identifier, "throw"> }
-import { @specialize[@name=keyword]<Identifier, "import"> }
-null { @specialize[@name=Null]<Identifier, "null"> }
-
-@external tokens tokenizer from "./tokenizer" { Identifier, AssignableIdentifier, Word, IdentifierBeforeDot, CurlyString }
-@external tokens pipeStartsLineTokenizer from "./tokenizer" { newline, pipeStartsLine }
-@external specialize {Identifier} specializeKeyword from "./tokenizer" { Do }
-
-@precedence {
-  pipe @left,
-  or @left,
-  and @left,
-  nullish @left,
-  comparison @left,
-  multiplicative @left,
-  additive @left,
-  bitwise @left,
-  call,
-  functionWithNewlines
-}
-
-item {
-  consumeToTerminator newlineOrSemicolon |
-  consumeToTerminator eof |
-  newlineOrSemicolon // allow blank lines
-}
-
-consumeToTerminator {
-  PipeExpr |
-  WhileExpr |
-  FunctionCallWithBlock |
-  ambiguousFunctionCall |
-  TryExpr |
-  Throw |
-  Import |
-  IfExpr |
-  FunctionDef |
-  CompoundAssign |
-  Assign |
-  BinOp |
-  ConditionalOp |
-  expressionWithoutIdentifier
-}
-
-PipeExpr {
-  pipeOperand (!pipe (pipeStartsLine? "|") newlineOrSemicolon* pipeOperand)+
-}
-
-pipeOperand {
-  consumeToTerminator
-}
-
-WhileExpr {
-  while (ConditionalOp | expression) colon Block end
-}
-
-Block {
-  consumeToTerminator | newlineOrSemicolon block
-}
-
-FunctionCallWithBlock {
-  ambiguousFunctionCall colon Block CatchExpr? FinallyExpr? end
-}
-
-FunctionCallOrIdentifier {
-  DotGet | Identifier
-}
-
-ambiguousFunctionCall {
-  FunctionCall | FunctionCallOrIdentifier
-}
-
-FunctionCall {
-  (DotGet | Identifier | ParenExpr) arg+
-}
-
-arg {
-  PositionalArg | NamedArg
-}
-
-PositionalArg {
-  expression | FunctionDef | Underscore
-}
-
-NamedArg {
-  NamedArgPrefix (expression | FunctionDef | Underscore)
-}
-
-FunctionDef {
-  Do Params colon (consumeToTerminator | newlineOrSemicolon block) CatchExpr? FinallyExpr? end
-}
-
-ifTest {
-  ConditionalOp | expression | FunctionCall
-}
-
-IfExpr {
-  if ifTest colon Block ElseIfExpr* ElseExpr? end
-}
-
-ElseIfExpr {
-  else if ifTest colon Block
-}
-
-ElseExpr {
-  else colon Block
-}
-
-TryExpr {
-  try colon Block CatchExpr? FinallyExpr? end
-}
-
-CatchExpr {
-  catch Identifier colon Block
-}
-
-FinallyExpr {
-  finally colon Block
-}
-
-Throw {
-  throw (BinOp | ConditionalOp | expression)
-}
-
-// this has to be in the parse tree so the scope tracker can use it
-Import { 
-  import NamedArg* Identifier+ NamedArg*
-}
-
-ConditionalOp {
-  expression !comparison EqEq expression |
-  expression !comparison Neq expression |
-  expression !comparison Lt expression |
-  expression !comparison Lte expression |
-  expression !comparison Gt expression |
-  expression !comparison Gte expression |
-  (expression | ConditionalOp) !and And (expression | ConditionalOp) |
-  (expression | ConditionalOp) !or Or (expression | ConditionalOp) |
-  (expression | ConditionalOp) !nullish NullishCoalesce (expression | ConditionalOp)
-}
-
-Params {
-  Identifier* NamedParam*
-}
-
-NamedParam {
-  NamedArgPrefix (String | Number | Boolean | null)
-}
-
-Assign {
-  (AssignableIdentifier | Array) Eq consumeToTerminator
-}
-
-CompoundAssign {
-  AssignableIdentifier (PlusEq | MinusEq | StarEq | SlashEq | ModuloEq | NullishEq) consumeToTerminator
-}
-
-BinOp {
-  expression !multiplicative Modulo expression |
-  (expression | BinOp) !multiplicative Star (expression | BinOp) |
-  (expression | BinOp) !multiplicative Slash (expression | BinOp) |
-  (expression | BinOp) !additive Plus (expression | BinOp) |
-  (expression | BinOp) !additive Minus (expression | BinOp) |
-  (expression | BinOp) !bitwise Band (expression | BinOp) |
-  (expression | BinOp) !bitwise Bor (expression | BinOp) |
-  (expression | BinOp) !bitwise Bxor (expression | BinOp) |
-  (expression | BinOp) !bitwise Shl (expression | BinOp) |
-  (expression | BinOp) !bitwise Shr (expression | BinOp) |
-  (expression | BinOp) !bitwise Ushr (expression | BinOp)
-}
-
-ParenExpr {
-  leftParen newlineOrSemicolon* (
-    FunctionCallWithNewlines |
-    IfExpr |
-    ambiguousFunctionCall |
-    BinOp newlineOrSemicolon* |
-    expressionWithoutIdentifier |
-    ConditionalOp newlineOrSemicolon* |
-    PipeExpr |
-    FunctionDef
-  )
-  rightParen
-}
-
-FunctionCallWithNewlines[@name=FunctionCall] {
-  (DotGet | Identifier | ParenExpr) newlineOrSemicolon+ arg !functionWithNewlines (newlineOrSemicolon+ arg)* newlineOrSemicolon*
-}
-
-expression {
-  expressionWithoutIdentifier | DotGet | Identifier
-}
-
-
-@local tokens {
-  dot { "." }
-}
-
-@skip {} {
-  DotGet {
-    IdentifierBeforeDot dot (DotGet | Number | Identifier | ParenExpr) |
-    Dollar dot (DotGet | Number | Identifier | ParenExpr)
-  }
-
-  String { 
-    "'" stringContent* "'" | CurlyString | DoubleQuote
-  }
-}
-
-stringContent {
-  StringFragment |
-  Interpolation |
-  EscapeSeq
-}
-
-Interpolation {
-  "$" FunctionCallOrIdentifier |
-  "$" ParenExpr
-}
-
-EscapeSeq {
-  "\\" ("$" | "n" | "t" | "r" | "\\" | "'")
-}
-
-Dict {
-  "[=]" |
-  "[" newlineOrSemicolon* NamedArg (newlineOrSemicolon | NamedArg)* "]"
-}
-
-Array {
-  "[" newlineOrSemicolon* (expression (newlineOrSemicolon | expression)*)? "]"
-}
-
-// We need expressionWithoutIdentifier to avoid conflicts in consumeToTerminator.
-// Without this, when parsing "my-var" at statement level, the parser can't decide:
-//   - ambiguousFunctionCall → FunctionCallOrIdentifier → Identifier
-//   - expression → Identifier
-// Both want the same Identifier token! So we use expressionWithoutIdentifier
-// to remove Identifier from the second path, forcing standalone identifiers
-// to go through ambiguousFunctionCall (which is what we want semantically).
-// Yes, it is annoying and I gave up trying to use GLR to fix it.
-expressionWithoutIdentifier {
-  ParenExpr | Word | String | Number | Boolean | Regex | Dict | Array | null
-}
-
-block {
-  (consumeToTerminator? newlineOrSemicolon)*
-}
--- a/src/parser/shrimp.grammar.d.ts
+++ b/src/parser/shrimp.grammar.d.ts
@ -1,4 +0,0 @@
-declare module '*.grammar' {
-  const content: string
-  export default content
-}
--- a/src/parser/shrimp.terms.ts
+++ b/src/parser/shrimp.terms.ts
@ -1,81 +0,0 @@
-// This file was generated by lezer-generator. You probably shouldn't edit it.
-export const
-  Star = 1,
-  Slash = 2,
-  Plus = 3,
-  Minus = 4,
-  And = 5,
-  Or = 6,
-  Eq = 7,
-  EqEq = 8,
-  Neq = 9,
-  Lt = 10,
-  Lte = 11,
-  Gt = 12,
-  Gte = 13,
-  Modulo = 14,
-  PlusEq = 15,
-  MinusEq = 16,
-  StarEq = 17,
-  SlashEq = 18,
-  ModuloEq = 19,
-  Band = 20,
-  Bor = 21,
-  Bxor = 22,
-  Shl = 23,
-  Shr = 24,
-  Ushr = 25,
-  NullishCoalesce = 26,
-  NullishEq = 27,
-  Identifier = 28,
-  AssignableIdentifier = 29,
-  Word = 30,
-  IdentifierBeforeDot = 31,
-  CurlyString = 32,
-  newline = 101,
-  pipeStartsLine = 102,
-  Do = 33,
-  Comment = 34,
-  Program = 35,
-  PipeExpr = 36,
-  WhileExpr = 38,
-  keyword = 84,
-  ConditionalOp = 40,
-  ParenExpr = 41,
-  FunctionCallWithNewlines = 42,
-  DotGet = 43,
-  Number = 44,
-  Dollar = 45,
-  PositionalArg = 46,
-  FunctionDef = 47,
-  Params = 48,
-  NamedParam = 49,
-  NamedArgPrefix = 50,
-  String = 51,
-  StringFragment = 52,
-  Interpolation = 53,
-  FunctionCallOrIdentifier = 54,
-  EscapeSeq = 55,
-  DoubleQuote = 56,
-  Boolean = 57,
-  Null = 58,
-  colon = 59,
-  CatchExpr = 60,
-  Block = 62,
-  FinallyExpr = 63,
-  Underscore = 66,
-  NamedArg = 67,
-  IfExpr = 68,
-  FunctionCall = 70,
-  ElseIfExpr = 71,
-  ElseExpr = 73,
-  BinOp = 74,
-  Regex = 75,
-  Dict = 76,
-  Array = 77,
-  FunctionCallWithBlock = 78,
-  TryExpr = 79,
-  Throw = 81,
-  Import = 83,
-  CompoundAssign = 85,
-  Assign = 86
--- a/src/parser/shrimp.ts
+++ b/src/parser/shrimp.ts
@ -1,27 +0,0 @@
-// This file was generated by lezer-generator. You probably shouldn't edit it.
-import {LRParser, LocalTokenGroup} from "@lezer/lr"
-import {operatorTokenizer} from "./operatorTokenizer"
-import {tokenizer, pipeStartsLineTokenizer, specializeKeyword} from "./tokenizer"
-import {trackScope} from "./parserScopeContext"
-import {highlighting} from "./highlight"
-const spec_Identifier = {__proto__:null,while:78, null:116, catch:122, finally:128, end:130, if:138, else:144, try:160, throw:164, import:168}
-export const parser = LRParser.deserialize({
-  version: 14,
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-  skippedNodes: [0,34],
-  repeatNodeCount: 13,
-  tokenData: "Lp~R}OX$OXY$mYp$Opq$mqr$Ors%Wst'^tu(uuw$Owx(|xy)Ryz)lz{$O{|*V|}$O}!O*V!O!P$O!P!Q3r!Q!R*w!R![-l![!]<_!]!^<x!^!}$O!}#O=c#O#P?X#P#Q?^#Q#R$O#R#S?w#S#T$O#T#Y@b#Y#ZA|#Z#b@b#b#cGj#c#f@b#f#gHm#g#h@b#h#iIp#i#o@b#o#p$O#p#qLQ#q;'S$O;'S;=`$g<%l~$O~O$O~~LkS$TU!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OS$jP;=`<%l$O^$tU!US#[YOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU%]Z!USOr%Wrs&Ost%Wtu&iuw%Wwx&ix#O%W#O#P&i#P;'S%W;'S;=`'W<%lO%WU&VU!YQ!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OQ&lTOr&irs&{s;'S&i;'S;=`'Q<%lO&iQ'QO!YQQ'TP;=`<%l&iU'ZP;=`<%l%W^'eZrY!USOY'^YZ$OZt'^tu(Wuw'^wx(Wx#O'^#O#P(W#P;'S'^;'S;=`(o<%lO'^Y(]SrYOY(WZ;'S(W;'S;=`(i<%lO(WY(lP;=`<%l(W^(rP;=`<%l'^^(|O#h[}Q~)RO#f~U)YU!US#cQOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU)sU!US#pQOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU*[X!USOt$Ouw$Ox!Q$O!Q!R*w!R![-l![#O$O#P;'S$O;'S;=`$g<%lO$OU+Ob!US|QOt$Ouw$Ox!O$O!O!P,W!P!Q$O!Q![-l![#O$O#P#R$O#R#S.i#S#U$O#U#V/W#V#c$O#c#d0l#d#l$O#l#m1z#m;'S$O;'S;=`$g<%lO$OU,]W!USOt$Ouw$Ox!Q$O!Q![,u![#O$O#P;'S$O;'S;=`$g<%lO$OU,|Y!US|QOt$Ouw$Ox!Q$O!Q![,u![#O$O#P#R$O#R#S,W#S;'S$O;'S;=`$g<%lO$OU-s[!US|QOt$Ouw$Ox!O$O!O!P,W!P!Q$O!Q![-l![#O$O#P#R$O#R#S.i#S;'S$O;'S;=`$g<%lO$OU.nW!USOt$Ouw$Ox!Q$O!Q![-l![#O$O#P;'S$O;'S;=`$g<%lO$OU/]X!USOt$Ouw$Ox!Q$O!Q!R/x!R!S/x!S#O$O#P;'S$O;'S;=`$g<%lO$OU0PX!US|QOt$Ouw$Ox!Q$O!Q!R/x!R!S/x!S#O$O#P;'S$O;'S;=`$g<%lO$OU0qW!USOt$Ouw$Ox!Q$O!Q!Y1Z!Y#O$O#P;'S$O;'S;=`$g<%lO$OU1bW!US|QOt$Ouw$Ox!Q$O!Q!Y1Z!Y#O$O#P;'S$O;'S;=`$g<%lO$OU2P[!USOt$Ouw$Ox!Q$O!Q![2u![!c$O!c!i2u!i#O$O#P#T$O#T#Z2u#Z;'S$O;'S;=`$g<%lO$OU2|[!US|QOt$Ouw$Ox!Q$O!Q![2u![!c$O!c!i2u!i#O$O#P#T$O#T#Z2u#Z;'S$O;'S;=`$g<%lO$OU3wW!USOt$Ouw$Ox!P$O!P!Q4a!Q#O$O#P;'S$O;'S;=`$g<%lO$OU4f^!USOY5bYZ$OZt5btu6euw5bwx6ex!P5b!P!Q$O!Q!}5b!}#O;W#O#P8s#P;'S5b;'S;=`<X<%lO5bU5i^!US!mQOY5bYZ$OZt5btu6euw5bwx6ex!P5b!P!Q9Y!Q!}5b!}#O;W#O#P8s#P;'S5b;'S;=`<X<%lO5bQ6jX!mQOY6eZ!P6e!P!Q7V!Q!}6e!}#O7t#O#P8s#P;'S6e;'S;=`9S<%lO6eQ7YP!P!Q7]Q7bU!mQ#Z#[7]#]#^7]#a#b7]#g#h7]#i#j7]#m#n7]Q7wVOY7tZ#O7t#O#P8^#P#Q6e#Q;'S7t;'S;=`8m<%lO7tQ8aSOY7tZ;'S7t;'S;=`8m<%lO7tQ8pP;=`<%l7tQ8vSOY6eZ;'S6e;'S;=`9S<%lO6eQ9VP;=`<%l6eU9_W!USOt$Ouw$Ox!P$O!P!Q9w!Q#O$O#P;'S$O;'S;=`$g<%lO$OU:Ob!US!mQOt$Ouw$Ox#O$O#P#Z$O#Z#[9w#[#]$O#]#^9w#^#a$O#a#b9w#b#g$O#g#h9w#h#i$O#i#j9w#j#m$O#m#n9w#n;'S$O;'S;=`$g<%lO$OU;][!USOY;WYZ$OZt;Wtu7tuw;Wwx7tx#O;W#O#P8^#P#Q5b#Q;'S;W;'S;=`<R<%lO;WU<UP;=`<%l;WU<[P;=`<%l5bU<fU!US!]QOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU=PU!US#`QOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU=jW#rQ!USOt$Ouw$Ox!_$O!_!`>S!`#O$O#P;'S$O;'S;=`$g<%lO$OU>XV!USOt$Ouw$Ox#O$O#P#Q>n#Q;'S$O;'S;=`$g<%lO$OU>uU#qQ!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$O~?^O#i~U?eU#sQ!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU@OU!US!dQOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OU@g^!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#o@b#o;'S$O;'S;=`$g<%lO$OUAjU!SQ!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$OUBR_!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#UCQ#U#o@b#o;'S$O;'S;=`$g<%lO$OUCV`!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#`@b#`#aDX#a#o@b#o;'S$O;'S;=`$g<%lO$OUD^`!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#g@b#g#hE`#h#o@b#o;'S$O;'S;=`$g<%lO$OUEe`!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#X@b#X#YFg#Y#o@b#o;'S$O;'S;=`$g<%lO$OUFn^!ZQ!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#o@b#o;'S$O;'S;=`$g<%lO$O^Gq^#jW!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#o@b#o;'S$O;'S;=`$g<%lO$O^Ht^#lW!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#o@b#o;'S$O;'S;=`$g<%lO$O^Iw`#kW!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#f@b#f#gJy#g#o@b#o;'S$O;'S;=`$g<%lO$OUKO`!USOt$Ouw$Ox}$O}!O@b!O!Q$O!Q![@b![!_$O!_!`Ac!`#O$O#P#T$O#T#i@b#i#jE`#j#o@b#o;'S$O;'S;=`$g<%lO$OULXUuQ!USOt$Ouw$Ox#O$O#P;'S$O;'S;=`$g<%lO$O~LpO#t~",
-  tokenizers: [operatorTokenizer, 1, 2, 3, tokenizer, pipeStartsLineTokenizer, new LocalTokenGroup("[~RP!O!PU~ZO#d~~", 11)],
-  topRules: {"Program":[0,35]},
-  specialized: [{term: 28, get: (value: any, stack: any) => (specializeKeyword(value, stack) << 1), external: specializeKeyword},{term: 28, get: (value: keyof typeof spec_Identifier) => spec_Identifier[value] || -1}],
-  tokenPrec: 2589
-})
--- a/src/parser/tests/basics.test.ts
+++ b/src/parser/tests/basics.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('null', () => {
  test('parses null', () => {
    expect('null').toMatchTree(`Null null`)
@ -370,8 +368,8 @@ describe('Parentheses', () => {
  })

  test('function call with named args on multiple lines in parens', () => {
-    expect(`(tail 
-      arg1=true 
+    expect(`(tail
+      arg1=true
      arg2=30
    )`).toMatchTree(`
      ParenExpr
@ -386,8 +384,8 @@ describe('Parentheses', () => {
          `)

    expect(`(
-      tail 
-        arg1=true 
+      tail
+        arg1=true
        arg2=30
    )`).toMatchTree(`
      ParenExpr
@ -425,7 +423,7 @@ describe('Parentheses', () => {
  })

  test('function call with multiple identifiers on separate lines in parens', () => {
-    expect(`(echo 
+    expect(`(echo
  arg1
  arg2
  arg3
@ -443,8 +441,8 @@ describe('Parentheses', () => {

  test('function call with mulitline identifiers starting separate lines in parens', () => {
    expect(`(
-      
-      echo 
+
+      echo
        arg1
        arg2
        arg3
--- a/src/parser/tests/bitwise.test.ts
+++ b/src/parser/tests/bitwise.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('bitwise operators - grammar', () => {
  test('parses band (bitwise AND)', () => {
    expect('5 band 3').toMatchTree(`
--- a/src/parser/tests/control-flow.test.ts
+++ b/src/parser/tests/control-flow.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('if/else if/else', () => {
  test('parses single line if', () => {
    expect(`if y == 1: 'cool' end`).toMatchTree(`
@ -317,8 +315,8 @@ describe('while', () => {

  test('multiline infinite loop', () => {
    expect(`
-      while true: 
-        true 
+      while true:
+        true
      end`).toMatchTree(`
  WhileExpr
    keyword while
@ -331,7 +329,7 @@ describe('while', () => {

  test('multiline basic expression', () => {
    expect(`
-      while a > 0: 
+      while a > 0:
        true
      end`).toMatchTree(`
  WhileExpr
@ -349,8 +347,8 @@ describe('while', () => {

  test('multiline compound expression', () => {
    expect(`
-      while a > 0 and b < 100 and c < 1000: 
-        true 
+      while a > 0 and b < 100 and c < 1000:
+        true
      end`).toMatchTree(`
  WhileExpr
    keyword while
--- a/src/parser/tests/destructuring.test.ts
+++ b/src/parser/tests/destructuring.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('Array destructuring', () => {
  test('parses array pattern with two variables', () => {
    expect('[ a b ] = [ 1 2 3 4]').toMatchTree(`
--- a/src/parser/tests/exceptions.test.ts
+++ b/src/parser/tests/exceptions.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('try/catch/finally/throw', () => {
  test('parses try with catch', () => {
    expect(`try:
--- a/src/parser/tests/function-blocks.test.ts
+++ b/src/parser/tests/function-blocks.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('single line function blocks', () => {
  test('work with no args', () => {
    expect(`trap: echo bye bye end`).toMatchTree(`
@ -91,8 +89,8 @@ describe('single line function blocks', () => {
 describe('multi line function blocks', () => {
  test('work with no args', () => {
    expect(`
-trap: 
-  echo bye bye 
+trap:
+  echo bye bye
 end
 `).toMatchTree(`
  FunctionCallWithBlock
@ -112,8 +110,8 @@ end

  test('work with one arg', () => {
    expect(`
-trap EXIT: 
-  echo bye bye 
+trap EXIT:
+  echo bye bye
 end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
@ -135,7 +133,7 @@ end`).toMatchTree(`
  test('work with named args', () => {
    expect(`
 attach signal='exit' code=1:
-  echo bye bye 
+  echo bye bye
 end`).toMatchTree(`
  FunctionCallWithBlock
    FunctionCall
@ -163,8 +161,8 @@ end`).toMatchTree(`
  test('work with dot-get', () => {
    expect(`
 signals = [=]
-signals.trap 'EXIT': 
-  echo bye bye 
+signals.trap 'EXIT':
+  echo bye bye
 end`).toMatchTree(`
    Assign
      AssignableIdentifier signals
--- a/src/parser/tests/functions.test.ts
+++ b/src/parser/tests/functions.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('calling functions', () => {
  test('call with no args', () => {
    expect('tail').toMatchTree(`
--- a/src/parser/tests/import.test.ts
+++ b/src/parser/tests/import.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('import', () => {
  test('parses single import', () => {
    expect(`import str`).toMatchTree(`
--- a/src/parser/tests/literals.test.ts
+++ b/src/parser/tests/literals.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('number literals', () => {
  test('binary numbers', () => {
    expect('0b110').toMatchTree(`
--- a/src/parser/tests/multiline.test.ts
+++ b/src/parser/tests/multiline.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('multiline', () => {
  test('parses multiline strings', () => {
    expect(`'first'\n'second'`).toMatchTree(`
--- a/src/parser/tests/pipes.test.ts
+++ b/src/parser/tests/pipes.test.ts
@ -1,7 +1,4 @@
 import { expect, describe, test } from 'bun:test'
-import { parser } from '../shrimp'
-
-import '../shrimp.grammar' // Importing this so changes cause it to retest!

 describe('pipe expressions', () => {
  test('simple pipe expression', () => {
--- a/src/parser/tests/strings.test.ts
+++ b/src/parser/tests/strings.test.ts
@ -1,7 +1,5 @@
 import { expect, describe, test } from 'bun:test'

-import '../shrimp.grammar' // Importing this so changes cause it to retest!
-
 describe('string interpolation', () => {
  test('string with variable interpolation', () => {
    expect("'hello $name'").toMatchTree(`
@ -178,4 +176,4 @@ describe('double quoted strings', () => {
      String
        DoubleQuote "hello $(1 + 2)"`)
  })
-})
+})
--- a/src/parser/tests/tokens.test.ts
+++ b/src/parser/tests/tokens.test.ts
@ -304,6 +304,7 @@ describe('keywords', () => {
    expect(`catch`).toMatchToken('Keyword', 'catch')
    expect(`finally`).toMatchToken('Keyword', 'finally')
    expect(`throw`).toMatchToken('Keyword', 'throw')
+    expect(`not`).toMatchToken('Keyword', 'not')
  })
 })

--- a/src/parser/tokenizer.ts
+++ b/src/parser/tokenizer.ts
@ -1,389 +0,0 @@
-import { ExternalTokenizer, InputStream, Stack } from '@lezer/lr'
-import { Identifier, AssignableIdentifier, Word, IdentifierBeforeDot, Do, CurlyString, DotGet, newline, pipeStartsLine } from './shrimp.terms'
-
-// doobie doobie do (we need the `do` keyword to know when we're defining params)
-export function specializeKeyword(ident: string) {
-  return ident === 'do' ? Do : -1
-}
-
-// tell the dotGet searcher about builtin globals
-export const globals: string[] = []
-export const setGlobals = (newGlobals: string[] | Record<string, any>) => {
-  globals.length = 0
-  globals.push(...(Array.isArray(newGlobals) ? newGlobals : Object.keys(newGlobals)))
-}
-
-// The only chars that can't be words are whitespace, apostrophes, closing parens, and EOF.
-
-export const tokenizer = new ExternalTokenizer(
-  (input: InputStream, stack: Stack) => {
-    const ch = getFullCodePoint(input, 0)
-
-    // Handle curly strings
-    if (ch === 123 /* { */) return consumeCurlyString(input, stack)
-
-    if (!isWordChar(ch)) return
-
-    // Don't consume things that start with digits - let Number token handle it
-    if (isDigit(ch)) return
-
-    // Don't consume things that start with - or + followed by a digit (negative/positive numbers)
-    if ((ch === 45 /* - */ || ch === 43) /* + */ && isDigit(input.peek(1))) return
-
-    const isValidStart = isIdentStart(ch)
-    const canBeWord = stack.canShift(Word)
-
-    // Consume all word characters, tracking if it remains a valid identifier
-    const { pos, isValidIdentifier, stoppedAtDot } = consumeWordToken(
-      input,
-      isValidStart,
-      canBeWord
-    )
-
-    // Check if we should emit IdentifierBeforeDot for property access
-    if (stoppedAtDot) {
-      const dotGetToken = checkForDotGet(input, stack, pos)
-
-      if (dotGetToken) {
-        input.advance(pos)
-        input.acceptToken(dotGetToken)
-      } else {
-        // Not in scope - continue consuming the dot as part of the word
-        const afterDot = consumeRestOfWord(input, pos + 1, canBeWord)
-        input.advance(afterDot)
-        input.acceptToken(Word)
-      }
-
-      return
-    }
-
-    // Advance past the token we consumed
-    input.advance(pos)
-
-    // Choose which token to emit
-    if (isValidIdentifier) {
-      const token = chooseIdentifierToken(input, stack)
-      input.acceptToken(token)
-    } else {
-      input.acceptToken(Word)
-    }
-  },
-  { contextual: true }
-)
-
-// Build identifier text from input stream, handling surrogate pairs for emoji
-const buildIdentifierText = (input: InputStream, length: number): string => {
-  let text = ''
-  for (let i = 0; i < length; i++) {
-    const charCode = input.peek(i)
-    if (charCode === -1) break
-
-    // Handle surrogate pairs for emoji (UTF-16 encoding)
-    if (charCode >= 0xd800 && charCode <= 0xdbff && i + 1 < length) {
-      const low = input.peek(i + 1)
-      if (low >= 0xdc00 && low <= 0xdfff) {
-        text += String.fromCharCode(charCode, low)
-        i++ // Skip the low surrogate
-        continue
-      }
-    }
-    text += String.fromCharCode(charCode)
-  }
-  return text
-}
-
-// Consume word characters, tracking if it remains a valid identifier
-// Returns the position after consuming, whether it's a valid identifier, and if we stopped at a dot
-const consumeWordToken = (
-  input: InputStream,
-  isValidStart: boolean,
-  canBeWord: boolean
-): { pos: number; isValidIdentifier: boolean; stoppedAtDot: boolean } => {
-  let pos = getCharSize(getFullCodePoint(input, 0))
-  let isValidIdentifier = isValidStart
-  let stoppedAtDot = false
-
-  while (true) {
-    const ch = getFullCodePoint(input, pos)
-
-    // Stop at dot if we have a valid identifier (might be property access)
-    if (ch === 46 /* . */ && isValidIdentifier) {
-      stoppedAtDot = true
-      break
-    }
-
-    // Stop if we hit a non-word character
-    if (!isWordChar(ch)) break
-
-    // Context-aware termination: semicolon/colon can end a word if followed by whitespace
-    // This allows `hello; 2` to parse correctly while `hello;world` stays as one word
-    if (canBeWord && (ch === 59 /* ; */ || ch === 58) /* : */) {
-      const nextCh = getFullCodePoint(input, pos + 1)
-      if (!isWordChar(nextCh)) break
-    }
-
-    // Track identifier validity: must be lowercase, digit, dash, or emoji/unicode
-    if (!isIdentChar(ch)) {
-      if (!canBeWord) break
-      isValidIdentifier = false
-    }
-
-    pos += getCharSize(ch)
-  }
-
-  return { pos, isValidIdentifier, stoppedAtDot }
-}
-
-// Consume the rest of a word after we've decided not to treat a dot as DotGet
-// Used when we have "file.txt" - we already consumed "file", now consume ".txt"
-const consumeRestOfWord = (input: InputStream, startPos: number, canBeWord: boolean): number => {
-  let pos = startPos
-  while (true) {
-    const ch = getFullCodePoint(input, pos)
-
-    // Stop if we hit a non-word character
-    if (!isWordChar(ch)) break
-
-    // Context-aware termination for semicolon/colon
-    if (canBeWord && (ch === 59 /* ; */ || ch === 58) /* : */) {
-      const nextCh = getFullCodePoint(input, pos + 1)
-      if (!isWordChar(nextCh)) break
-    }
-
-    pos += getCharSize(ch)
-  }
-  return pos
-}
-
-// Consumes { curly strings } and tracks braces so you can { have { braces { inside { braces } } }
-const consumeCurlyString = (input: InputStream, stack: Stack) => {
-  if (!stack.canShift(CurlyString)) return
-
-  let depth = 0
-  let pos = 0
-
-  while (true) {
-    const ch = input.peek(pos)
-    if (ch < 0) return // EOF - invalid
-
-    if (ch === 123) depth++ // {
-    else if (ch === 125) { // }
-      depth--
-      if (depth === 0) {
-        pos++ // consume final }
-        break
-      }
-    }
-
-    pos++
-  }
-
-  input.acceptToken(CurlyString, pos)
-}
-
-// Check if this identifier is in scope (for property access detection)
-// Returns IdentifierBeforeDot token if in scope, null otherwise
-const checkForDotGet = (input: InputStream, stack: Stack, pos: number): number | null => {
-  const identifierText = buildIdentifierText(input, pos)
-  const context = stack.context as { scope: { has(name: string): boolean } } | undefined
-
-  // Check if identifier is in scope (lexical scope or globals)
-  const inScope = context?.scope.has(identifierText) || globals.includes(identifierText)
-
-  // property access
-  if (inScope) return IdentifierBeforeDot
-
-  // Not in scope - check if we're inside a DotGet chain
-  // Inside the @skip {} block where DotGet is defined, Word cannot be shifted
-  // but Identifier can be. This tells us we're at the RHS of a DotGet.
-  const canShiftIdentifier = stack.canShift(Identifier)
-  const canShiftWord = stack.canShift(Word)
-  const inDotGetChain = canShiftIdentifier && !canShiftWord
-
-  // continue if we're inside a DotGet
-  return inDotGetChain ? IdentifierBeforeDot : null
-}
-
-// Decide between AssignableIdentifier and Identifier using grammar state + peek-ahead
-const chooseIdentifierToken = (input: InputStream, stack: Stack): number => {
-  const canAssignable = stack.canShift(AssignableIdentifier)
-  const canRegular = stack.canShift(Identifier)
-
-  // Only one option is valid - use it
-  if (canAssignable && !canRegular) return AssignableIdentifier
-  if (canRegular && !canAssignable) return Identifier
-
-  // Both possible (ambiguous context) - peek ahead for '=' to disambiguate
-  // This happens at statement start where both `x = 5` (assign) and `echo x` (call) are valid
-  let peekPos = 0
-  while (true) {
-    const ch = getFullCodePoint(input, peekPos)
-    if (isWhiteSpace(ch)) {
-      peekPos += getCharSize(ch)
-    } else {
-      break
-    }
-  }
-
-  const nextCh = getFullCodePoint(input, peekPos)
-  const nextCh2 = getFullCodePoint(input, peekPos + 1)
-  const nextCh3 = getFullCodePoint(input, peekPos + 2)
-
-  // Check for ??= (three-character compound operator)
-  if (nextCh === 63 /* ? */ && nextCh2 === 63 /* ? */ && nextCh3 === 61 /* = */) {
-    const charAfterOp = getFullCodePoint(input, peekPos + 3)
-    if (isWhiteSpace(charAfterOp) || charAfterOp === -1 /* EOF */) {
-      return AssignableIdentifier
-    }
-  }
-
-  // Check for compound assignment operators: +=, -=, *=, /=, %=
-  if (
-    [43 /* + */, 45 /* - */, 42 /* * */, 47 /* / */, 37 /* % */].includes(nextCh) &&
-    nextCh2 === 61 /* = */
-  ) {
-    // Found compound operator, check if it's followed by whitespace
-    const charAfterOp = getFullCodePoint(input, peekPos + 2)
-    if (isWhiteSpace(charAfterOp) || charAfterOp === -1 /* EOF */) {
-      return AssignableIdentifier
-    }
-  }
-
-  if (nextCh === 61 /* = */) {
-    // Found '=', but check if it's followed by whitespace
-    // If '=' is followed by non-whitespace (like '=cool*'), it won't be tokenized as Eq
-    // In that case, this should be Identifier (for function call), not AssignableIdentifier
-    const charAfterEquals = getFullCodePoint(input, peekPos + 1)
-    if (isWhiteSpace(charAfterEquals) || charAfterEquals === -1 /* EOF */) {
-      return AssignableIdentifier
-    }
-  }
-  return Identifier
-}
-
-// Character classification helpers
-export const isIdentStart = (ch: number): boolean => {
-  return isLowercaseLetter(ch) || isEmojiOrUnicode(ch)
-}
-
-export const isIdentChar = (ch: number): boolean => {
-  return isLowercaseLetter(ch) || isDigit(ch) || ch === 45 /* - */ || ch === 63 /* ? */ || isEmojiOrUnicode(ch)
-}
-
-const isWhiteSpace = (ch: number): boolean => {
-  return ch === 32 /* space */ || ch === 9 /* tab */ || ch === 13 /* \r */
-}
-
-const isWordChar = (ch: number): boolean => {
-  return (
-    !isWhiteSpace(ch) &&
-    ch !== 10 /* \n */ &&
-    ch !== 41 /* ) */ &&
-    ch !== 93 /* ] */ &&
-    ch !== -1 /* EOF */
-  )
-}
-
-const isLowercaseLetter = (ch: number): boolean => {
-  return ch >= 97 && ch <= 122 // a-z
-}
-
-const isDigit = (ch: number): boolean => {
-  return ch >= 48 && ch <= 57 // 0-9
-}
-
-const getFullCodePoint = (input: InputStream, pos: number): number => {
-  const ch = input.peek(pos)
-
-  // Check if this is a high surrogate (0xD800-0xDBFF)
-  if (ch >= 0xd800 && ch <= 0xdbff) {
-    const low = input.peek(pos + 1)
-    // Check if next is low surrogate (0xDC00-0xDFFF)
-    if (low >= 0xdc00 && low <= 0xdfff) {
-      // Combine surrogate pair into full code point
-      return 0x10000 + ((ch & 0x3ff) << 10) + (low & 0x3ff)
-    }
-  }
-
-  return ch
-}
-
-const isEmojiOrUnicode = (ch: number): boolean => {
-  return (
-    // Basic Emoticons
-    (ch >= 0x1f600 && ch <= 0x1f64f) ||
-    // Miscellaneous Symbols and Pictographs
-    (ch >= 0x1f300 && ch <= 0x1f5ff) ||
-    // Transport and Map Symbols
-    (ch >= 0x1f680 && ch <= 0x1f6ff) ||
-    // Regional Indicator Symbols (flags)
-    (ch >= 0x1f1e6 && ch <= 0x1f1ff) ||
-    // Miscellaneous Symbols (hearts, stars, weather)
-    (ch >= 0x2600 && ch <= 0x26ff) ||
-    // Dingbats (scissors, pencils, etc)
-    (ch >= 0x2700 && ch <= 0x27bf) ||
-    // Supplemental Symbols and Pictographs (newer emojis)
-    (ch >= 0x1f900 && ch <= 0x1f9ff) ||
-    // Symbols and Pictographs Extended-A (newest emojis)
-    (ch >= 0x1fa70 && ch <= 0x1faff) ||
-    // Various Asian Characters with emoji presentation
-    (ch >= 0x1f018 && ch <= 0x1f270) ||
-    // Variation Selectors (for emoji presentation)
-    (ch >= 0xfe00 && ch <= 0xfe0f) ||
-    // Additional miscellaneous items
-    (ch >= 0x238c && ch <= 0x2454) ||
-    // Combining Diacritical Marks for Symbols
-    (ch >= 0x20d0 && ch <= 0x20ff) ||
-    // Latin-1 Supplement (includes ², ³, ¹ and other special chars)
-    (ch >= 0x00a0 && ch <= 0x00ff) ||
-    // Greek and Coptic (U+0370-U+03FF)
-    (ch >= 0x0370 && ch <= 0x03ff) ||
-    // Mathematical Alphanumeric Symbols (U+1D400-U+1D7FF)
-    (ch >= 0x1d400 && ch <= 0x1d7ff) ||
-    // Mathematical Operators (U+2200-U+22FF)
-    (ch >= 0x2200 && ch <= 0x22ff) ||
-    // Superscripts and Subscripts (U+2070-U+209F)
-    (ch >= 0x2070 && ch <= 0x209f) ||
-    // Arrows (U+2190-U+21FF)
-    (ch >= 0x2190 && ch <= 0x21ff) ||
-    // Hiragana (U+3040-U+309F)
-    (ch >= 0x3040 && ch <= 0x309f) ||
-    // Katakana (U+30A0-U+30FF)
-    (ch >= 0x30a0 && ch <= 0x30ff) ||
-    // CJK Unified Ideographs (U+4E00-U+9FFF)
-    (ch >= 0x4e00 && ch <= 0x9fff)
-  )
-}
-
-const getCharSize = (ch: number) => (ch > 0xffff ? 2 : 1) // emoji takes 2 UTF-16 code units
-
-export const pipeStartsLineTokenizer = new ExternalTokenizer((input: InputStream, stack: Stack) => {
-  const ch = input.peek(0)
-
-  if (ch !== 10 /* \n */) return
-
-  // ignore whitespace
-  let offset = 1
-  let lastNewlineOffset = 0
-
-  while (true) {
-    const ch = input.peek(offset)
-    if (ch === 10 /* \n */) {
-      lastNewlineOffset = offset
-      offset++
-    } else if (isWhiteSpace(ch)) {
-      offset++
-    } else {
-      break
-    }
-  }
-
-  // look for pipe after skipping empty lines
-  if (input.peek(offset) === 124 /* | */) {
-    input.advance(lastNewlineOffset + 1)
-    input.acceptToken(pipeStartsLine)
-  } else {
-    input.advance(1)
-    input.acceptToken(newline)
-  }
-})
--- a/src/parser/tokenizer2.ts
+++ b/src/parser/tokenizer2.ts
@ -104,6 +104,7 @@ const keywords = new Set([
  'catch',
  'finally',
  'throw',
+  'not',
 ])

 // helper
@ -474,12 +475,12 @@ const isStringDelim = (ch: number): boolean => {
  return ch === c`'` || ch === c`"`
 }

-const isIdentStart = (char: number | string): boolean => {
+export const isIdentStart = (char: number | string): boolean => {
  let ch = typeof char === 'string' ? char.charCodeAt(0) : char
  return isLowercaseLetter(ch) || isEmojiOrUnicode(ch) || ch === 36 /* $ */
 }

-const isIdentChar = (char: number | string): boolean => {
+export const isIdentChar = (char: number | string): boolean => {
  let ch = typeof char === 'string' ? char.charCodeAt(0) : char
  return isIdentStart(ch) || isDigit(ch) || ch === 45 /* - */ || ch === 63 /* ? */
 }
--- a/src/prelude/index.ts
+++ b/src/prelude/index.ts
@ -89,7 +89,6 @@ export const globals: Record<string, any> = {
  'some?': (v: any) => toValue(v).type !== 'null',

  // boolean/logic
-  not: (v: any) => !v,
  bnot: (n: number) => ~(n | 0),

  // utilities
--- a/src/prelude/str.ts
+++ b/src/prelude/str.ts
@ -28,6 +28,16 @@ export const str = {
  },
  'pad-start': (str: string, length: number, pad: string = ' ') => String(str ?? '').padStart(length, pad),
  'pad-end': (str: string, length: number, pad: string = ' ') => String(str ?? '').padEnd(length, pad),
+  capitalize: (str: string) => {
+    const s = String(str ?? '')
+    return s.charAt(0).toUpperCase() + s.slice(1).toLowerCase()
+  },
+  titlecase: (s: string) => {
+    return String(s ?? '')
+      .split(' ')
+      .map(str.capitalize)
+      .join(' ')
+  },
  lines: (str: string) => String(str ?? '').split('\n'),
  chars: (str: string) => String(str ?? '').split(''),

--- a/src/prelude/tests/prelude.test.ts
+++ b/src/prelude/tests/prelude.test.ts
@ -16,6 +16,18 @@ describe('string operations', () => {
    await expect(`str.trim '\\n\\thello\\t\\n'`).toEvaluateTo('hello')
  })

+  test('capitalize makes first char uppercase', async () => {
+    await expect(`str.capitalize 'hello'`).toEvaluateTo('Hello')
+    await expect(`str.capitalize 'HELLO'`).toEvaluateTo('Hello')
+    await expect(`str.capitalize 'hello world'`).toEvaluateTo('Hello world')
+  })
+
+  test('titlecase capitalizes each word', async () => {
+    await expect(`str.titlecase 'hello world'`).toEvaluateTo('Hello World')
+    await expect(`str.titlecase 'HELLO WORLD'`).toEvaluateTo('Hello World')
+    await expect(`str.titlecase 'the quick brown fox'`).toEvaluateTo('The Quick Brown Fox')
+  })
+
  test('split divides string by separator', async () => {
    await expect(`str.split 'a,b,c' ','`).toEvaluateTo(['a', 'b', 'c'])
    await expect(`str.split 'hello' ''`).toEvaluateTo(['h', 'e', 'l', 'l', 'o'])
@ -105,6 +117,17 @@ describe('boolean logic', () => {
    await expect(`not 42`).toEvaluateTo(false)
    await expect(`not null`).toEvaluateTo(true)
  })
+
+  test('not works with function calls', async () => {
+    await expect(`equals = do x y: x == y end; not equals 5 5`).toEvaluateTo(false)
+    await expect(`equals = do x y: x == y end; not equals 5 10`).toEvaluateTo(true)
+  })
+
+  test('not works with binary operations and comparisons', async () => {
+    await expect(`not 5 > 10`).toEvaluateTo(true)
+    await expect(`not 10 > 5`).toEvaluateTo(false)
+    await expect(`not true and false`).toEvaluateTo(true)
+  })
 })

 describe('utilities', () => {
--- a/src/testSetup.ts
+++ b/src/testSetup.ts
@ -2,36 +2,13 @@ import { expect } from 'bun:test'
 import { diffLines } from 'diff'
 import color from 'kleur'
 import { Scanner, TokenType, type Token } from '#parser/tokenizer2'
-import { parser } from '#parser/shrimp'
-import { setGlobals } from '#parser/tokenizer'
-import { parse } from '#parser/parser2'
+import { parse, setGlobals } from '#parser/parser2'
+import { Tree } from '#parser/node'
 import { globals as prelude } from '#prelude'
-import { $ } from 'bun'
 import { assert, errorMessage } from '#utils/utils'
 import { Compiler } from '#compiler/compiler'
 import { run, VM } from 'reefvm'
-import { treeToString2, treeToString, VMResultToValue } from '#utils/tree'
-
-const regenerateParser = async () => {
-  let generate = true
-  try {
-    const grammarStat = await Bun.file('./src/parser/shrimp.grammar').stat()
-    const tokenizerStat = await Bun.file('./src/parser/tokenizer.ts').stat()
-    const parserStat = await Bun.file('./src/parser/shrimp.ts').stat()
-
-    if (grammarStat.mtime <= parserStat.mtime && tokenizerStat.mtime <= parserStat.mtime) {
-      generate = false
-    }
-  } catch (e) {
-    console.error('Error checking or regenerating parser:', e)
-  } finally {
-    if (generate) {
-      await $`bun generate-parser`
-    }
-  }
-}
-
-await regenerateParser()
+import { treeToString2, VMResultToValue } from '#utils/tree'

 // Type declaration for TypeScript
 declare module 'bun:test' {
@ -73,7 +50,8 @@ expect.extend({
    assert(typeof received === 'string', 'toFailParse can only be used with string values')

    try {
-      const tree = parser.parse(received)
+      const node = parse(received)
+      const tree = new Tree(node)
      let hasErrors = false
      tree.iterate({
        enter(n) {
@ -90,7 +68,7 @@ expect.extend({
          pass: true,
        }
      } else {
-        const actual = treeToString(tree, received)
+        const actual = treeToString2(node, received)
        return {
          message: () => `Expected input to fail parsing, but it parsed successfully:\n${actual}`,
          pass: false,
--- a/vscode-extension/server/src/metadata/prelude-completions.ts
+++ b/vscode-extension/server/src/metadata/prelude-completions.ts
@ -739,6 +739,16 @@ export const completions = {
        "pad"
      ]
    },
+    "capitalize": {
+      "params": [
+        "str"
+      ]
+    },
+    "titlecase": {
+      "params": [
+        "s"
+      ]
+    },
    "lines": {
      "params": [
        "str"
Author	SHA1	Message	Date
Chris Wanstrath	491e37a7f8	$ can be in an identifier now	2025-12-10 13:57:13 -08:00
Chris Wanstrath	69b2297280	[example] update scripts script	2025-12-10 13:41:13 -08:00
Chris Wanstrath	87cb01392a	remove lezer parser & grammar	2025-12-10 13:23:26 -08:00
Chris Wanstrath	e45a6d9bf7	turn `not` into a keyword	2025-12-10 11:57:58 -08:00
Chris Wanstrath	71c5e31836	[examples] add `scripts` to show package.json scripts	2025-12-10 11:26:57 -08:00
Chris Wanstrath	4ccf97f667	[examples] update license generator w/ project name	2025-12-10 11:26:22 -08:00
Chris Wanstrath	03a83abfbb	[str] add capitalize and titlecase	2025-12-10 11:26:04 -08:00
Chris Wanstrath	d8c63e7981	[example] mit license generator	2025-12-10 11:14:13 -08:00