better echo

src/prelude/index.ts

@@ -1,6 +1,7 @@
 // The prelude creates all the builtin Shrimp functions.
 
-import { toValue, type Value, extractParamInfo, isWrapped, getOriginalFunction } from 'reefvm'
+import { readFileSync } from 'fs'
+import { VM, isValue, toValue, type Value, extractParamInfo, isWrapped, getOriginalFunction } from 'reefvm'
 
 export const colors = {
   reset: '\x1b[0m',
@@ -15,40 +16,28 @@ export const colors = {
   pink: '\x1b[38;2;255;105;180m'
 }
 
-export const valueFunctions = {
-  echo: (...args: Value[]) => {
-    console.log(...args.map(a => formatValue(a)))
+export const nativeFunctions = {
+  // hello
+  echo: (...args: any[]) => {
+    console.log(...args.map(a => {
+      const v = toValue(a)
+      return ['array', 'dict'].includes(v.type) ? formatValue(v, true) : v.value
+    }))
     return toValue(null)
   },
 
-  length: (value: Value) => {
+  // info
+  type: (v: any) => toValue(v).type,
+  inspect: (v: any) => formatValue(toValue(v)),
+  length: (v: any) => {
+    const value = toValue(v)
     switch (value.type) {
-      case 'string': case 'array':
-        return toValue(value.value.length)
-      case 'dict':
-        return toValue(Object.keys(value.value).length)
-      default:
-        return toValue(0)
+      case 'string': case 'array': return value.value.length
+      case 'dict': return value.value.size
+      default: return 0
     }
   },
 
-  type: (value: Value) => toValue(value.type),
-  inspect: (value: Value) => toValue(formatValue(value))
-}
-
-export const nativeFunctions = {
-  range: (start: number, end: number | null) => {
-    if (end === null) {
-      end = start
-      start = 0
-    }
-    const result: number[] = []
-    for (let i = start; i <= end; i++) {
-      result.push(i)
-    }
-    return result
-  },
-
   // strings
   join: (arr: any[], sep: string = ',') => arr.join(sep),
   split: (str: string, sep: string = ',') => str.split(sep),
@@ -61,6 +50,17 @@ export const nativeFunctions = {
   list: (...args: any[]) => args,
   dict: (atNamed = {}) => atNamed,
   slice: (list: any[], start: number, end?: number) => list.slice(start, end),
+  range: (start: number, end: number | null) => {
+    if (end === null) {
+      end = start
+      start = 0
+    }
+    const result: number[] = []
+    for (let i = start; i <= end; i++) {
+      result.push(i)
+    }
+    return result
+  },
 
   // enumerables
   map: async (list: any[], cb: Function) => {
@@ -71,9 +71,16 @@ export const nativeFunctions = {
   each: async (list: any[], cb: Function) => {
     for (const value of list) await cb(value)
   },
+
+  // modules
+  use: function (this: VM, path: string) {
+    const file = readFileSync(path + '.sh')
+  }
 }
 
-export function formatValue(value: Value, inner = false): string {
+export function formatValue(value: Value | any, inner = false): string {
+  if (!isValue(value)) value = toValue(value)
+
   switch (value.type) {
     case 'string':
       return `${colors.green}'${value.value.replaceAll("'", "\\'")}${colors.green}'${colors.reset}`