describe?

bin/repl

@@ -1,7 +1,7 @@
 #!/usr/bin/env bun
 
 import { Compiler } from '../src/compiler/compiler'
-import { colors, formatValue, globalFunctions } from '../src/prelude'
+import { colors, formatValue, globals } from '../src/prelude'
 import { VM, Scope, bytecodeToString } from 'reefvm'
 import * as readline from 'readline'
 import { readFileSync, writeFileSync } from 'fs'
@@ -48,7 +48,7 @@ async function repl() {
       return
     }
 
-    vm ||= new VM({ instructions: [], constants: [] }, globalFunctions)
+    vm ||= new VM({ instructions: [], constants: [] }, globals)
 
     if (['/exit', 'exit', '/quit', 'quit'].includes(trimmed)) {
       console.log(`\n${colors.yellow}Goodbye!${colors.reset}`)
@@ -147,7 +147,7 @@ async function repl() {
     codeHistory.push(trimmed)
 
     try {
-      const compiler = new Compiler(trimmed)
+      const compiler = new Compiler(trimmed, Object.keys(globals))
 
       vm.appendBytecode(compiler.bytecode)
 
@@ -211,7 +211,7 @@ async function loadFile(filePath: string): Promise<{ vm: VM; codeHistory: string
 
     console.log(`${colors.dim}Loading ${basename(filePath)}...${colors.reset}`)
 
-    const vm = new VM({ instructions: [], constants: [] }, globalFunctions)
+    const vm = new VM({ instructions: [], constants: [] }, globals)
     await vm.run()
 
     const codeHistory: string[] = []

bin/shrimp

@@ -1,7 +1,7 @@
 #!/usr/bin/env bun
 
 import { Compiler } from '../src/compiler/compiler'
-import { colors, globalFunctions } from '../src/prelude'
+import { colors, globals } from '../src/prelude'
 import { VM, fromValue, bytecodeToString } from 'reefvm'
 import { readFileSync, writeFileSync, mkdirSync } from 'fs'
 import { randomUUID } from "crypto"
@@ -11,8 +11,8 @@ import { join } from 'path'
 async function runFile(filePath: string) {
   try {
     const code = readFileSync(filePath, 'utf-8')
-    const compiler = new Compiler(code)
-    const vm = new VM(compiler.bytecode, globalFunctions)
+    const compiler = new Compiler(code, Object.keys(globals))
+    const vm = new VM(compiler.bytecode, globals)
     await vm.run()
     return vm.stack.length ? fromValue(vm.stack[vm.stack.length - 1]) : null
   } catch (error: any) {

src/prelude/index.ts

@@ -11,19 +11,6 @@ import { list } from './list'
 import { math } from './math'
 import { str } from './str'
 
-export const colors = {
-  reset: '\x1b[0m',
-  bright: '\x1b[1m',
-  dim: '\x1b[2m',
-  cyan: '\x1b[36m',
-  yellow: '\x1b[33m',
-  green: '\x1b[32m',
-  red: '\x1b[31m',
-  blue: '\x1b[34m',
-  magenta: '\x1b[35m',
-  pink: '\x1b[38;2;255;105;180m'
-}
-
 export const globals = {
   dict,
   load,
@@ -43,6 +30,10 @@ export const globals = {
   // info
   type: (v: any) => toValue(v).type,
   inspect: (v: any) => formatValue(toValue(v)),
+  describe: (v: any) => {
+    const val = toValue(v)
+    return { [val.type]: formatValue(toValue(v)) }
+  },
   length: (v: any) => {
     const value = toValue(v)
     switch (value.type) {
@@ -106,6 +97,19 @@ export const globals = {
 
 }
 
+export const colors = {
+  reset: '\x1b[0m',
+  bright: '\x1b[1m',
+  dim: '\x1b[2m',
+  cyan: '\x1b[36m',
+  yellow: '\x1b[33m',
+  green: '\x1b[32m',
+  red: '\x1b[31m',
+  blue: '\x1b[34m',
+  magenta: '\x1b[35m',
+  pink: '\x1b[38;2;255;105;180m'
+}
+
 export function formatValue(value: Value, inner = false): string {
   switch (value.type) {
     case 'string':

src/prelude/tests/prelude.test.ts

@@ -186,6 +186,12 @@ describe('introspection', () => {
     // (we'd need more complex assertion to check the actual format)
     await expect(`type (inspect 'hello')`).toEvaluateTo('string', globals)
   })
+
+  test('describe describes values', async () => {
+    // Just test that inspect returns something for now
+    // (we'd need more complex assertion to check the actual format)
+    await expect(`describe 'hello'`).toEvaluateTo({ string: "\u001b[32m'hello\u001b[32m'\u001b[0m" }, globals)
+  })
 })
 
 describe('collections', () => {