src/bytecode.ts

@@ -495,18 +495,6 @@ function toBytecodeFromString(str: string): Bytecode /* throws */ {
         bytecode.constants.push(toValue(null))
         operandValue = bytecode.constants.length - 1
 
-      } else if (/^\/.*\/[a-z]*$/.test(operand)) {
-        // regex literal (/pattern/flags)
-        const lastSlash = operand.lastIndexOf('/')
-        const pattern = operand.slice(1, lastSlash)
-        const flags = operand.slice(lastSlash + 1)
-        try {
-          const regex = new RegExp(pattern, flags)
-          bytecode.constants.push(toValue(regex))
-          operandValue = bytecode.constants.length - 1
-        } catch (e) {
-          throw new Error(`Invalid regex literal: ${operand}`)
-        }
       } else {
         // Assume it's a variable name if it doesn't match any other pattern
         // This allows emoji, Unicode, and other creative identifiers

src/index.ts

@@ -7,6 +7,6 @@ export async function run(bytecode: Bytecode): Promise<Value> {
   return await vm.run()
 }
 
-export { type Bytecode, toBytecode, type ProgramItem } from "./bytecode"
+export { type Bytecode, toBytecode } from "./bytecode"
 export { type Value, toValue, toString, toNumber, fromValue, toNull, wrapNative } from "./value"
 export { VM } from "./vm"

src/value.ts

@@ -7,7 +7,6 @@ export type Value =
   | { type: 'string', value: string }
   | { type: 'array', value: Value[] }
   | { type: 'dict', value: Dict }
-  | { type: 'regex', value: RegExp }
   | {
     type: 'function',
     params: string[],
@@ -40,9 +39,6 @@ export function toValue(v: any): Value /* throws */ {
   if (Array.isArray(v))
     return { type: 'array', value: v.map(toValue) }
 
-  if (v instanceof RegExp) 
-    return { type: 'regex', value: v }
-
   switch (typeof v) {
     case 'boolean':
       return { type: 'boolean', value: v }
@@ -55,7 +51,8 @@ export function toValue(v: any): Value /* throws */ {
     case 'object':
       const dict: Dict = new Map()
 
-      for (const key of Object.keys(v)) dict.set(key, toValue(v[key]))
+      for (const key of Object.keys(v))
+        dict.set(key, toValue(v[key]))
 
       return { type: 'dict', value: dict }
     default:
@@ -65,16 +62,13 @@ export function toValue(v: any): Value /* throws */ {
 
 export function toNumber(v: Value): number {
   switch (v.type) {
-    case 'number':
+    case 'number': return v.value
-      return v.value
+    case 'boolean': return v.value ? 1 : 0
-    case 'boolean':
-      return v.value ? 1 : 0
     case 'string': {
       const parsed = parseFloat(v.value)
       return isNaN(parsed) ? 0 : parsed
     }
-    default:
+    default: return 0
-      return 0
   }
 }
 
@@ -91,26 +85,17 @@ export function isTrue(v: Value): boolean {
 
 export function toString(v: Value): string {
   switch (v.type) {
-    case 'string':
+    case 'string': return v.value
-      return v.value
+    case 'number': return String(v.value)
-    case 'number':
+    case 'boolean': return String(v.value)
-      return String(v.value)
+    case 'null': return 'null'
-    case 'boolean':
+    case 'function': return '<function>'
-      return String(v.value)
+    case 'array': return `[${v.value.map(toString).join(', ')}]`
-    case 'null':
-      return 'null'
-    case 'function':
-      return '<function>'
-    case 'array':
-      return `[${v.value.map(toString).join(', ')}]`
     case 'dict': {
-      const pairs = Array.from(v.value.entries()).map(([k, v]) => `${k}: ${toString(v)}`)
+      const pairs = Array.from(v.value.entries())
+        .map(([k, v]) => `${k}: ${toString(v)}`)
       return `{${pairs.join(', ')}}`
     }
-    case 'regex':
-      return String(v.value)
-    default:
-      return String(v)
   }
 }
 
@@ -118,14 +103,10 @@ export function isEqual(a: Value, b: Value): boolean {
   if (a.type !== b.type) return false
 
   switch (a.type) {
-    case 'null':
+    case 'null': return true
-      return true
+    case 'boolean': return a.value === (b as typeof a).value
-    case 'boolean':
+    case 'number': return a.value === (b as typeof a).value
-      return a.value === b.value
+    case 'string': return a.value === (b as typeof a).value
-    case 'number':
-      return a.value === b.value
-    case 'string':
-      return a.value === b.value
     case 'array': {
       const bArr = b as typeof a
       if (a.value.length !== bArr.value.length) return false
@@ -140,34 +121,19 @@ export function isEqual(a: Value, b: Value): boolean {
       }
       return true
     }
-    case 'regex': {
+    case 'function': return false // functions never equal
-      return String(a.value) === String(b.value)
-    }
-    case 'function':
-      return false // functions never equal
-    default:
-      return false
   }
 }
 
 export function fromValue(v: Value): any {
   switch (v.type) {
-    case 'null':
+    case 'null': return null
-      return null
+    case 'boolean': return v.value
-    case 'boolean':
+    case 'number': return v.value
-      return v.value
+    case 'string': return v.value
-    case 'number':
+    case 'array': return v.value.map(fromValue)
-      return v.value
+    case 'dict': return Object.fromEntries(v.value.entries().map(([k, v]) => [k, fromValue(v)]))
-    case 'string':
+    case 'function': return '<function>'
-      return v.value
-    case 'array':
-      return v.value.map(fromValue)
-    case 'dict':
-      return Object.fromEntries(v.value.entries().map(([k, v]) => [k, fromValue(v)]))
-    case 'regex':
-      return v.value
-    case 'function':
-      return '<function>'
   }
 }
 

tests/basic.test.ts

@@ -102,29 +102,6 @@ test("EQ - equality comparison", async () => {
   expect(await run(toBytecode(str2))).toEqual({ type: 'boolean', value: false })
 })
 
-test('EQ - equality with regexes', async () => {
-  const str = `
-  PUSH /cool/i
-  PUSH /cool/i
-  EQ
-`
-  expect(await run(toBytecode(str))).toEqual({ type: 'boolean', value: true })
-
-  const str2 = `
-  PUSH /cool/
-  PUSH /cool/i
-  EQ
-`
-  expect(await run(toBytecode(str2))).toEqual({ type: 'boolean', value: false })
-
-  const str3 = `
-  PUSH /not-cool/
-  PUSH /cool/
-  EQ
-`
-  expect(await run(toBytecode(str3))).toEqual({ type: 'boolean', value: false })
-})
-
 test("NEQ - not equal comparison", async () => {
   const str = `
   PUSH 5