defunkt/ReefVM
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autocompleter

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This commit is contained in:
Chris Wanstrath 2025-10-07 21:55:56 -07:00
parent ec53a6420e
commit 146b0a2883
1 changed files with 16 additions and 1 deletions
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17
bin/repl
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@ -169,7 +169,8 @@ function showWelcome() {
console.log(`${colors.bright}${colors.cyan}═══════════════════════════════════════════════════════════════${colors.reset}`) console.log(`${colors.bright}${colors.cyan}═══════════════════════════════════════════════════════════════${colors.reset}`)
console.log(`${colors.bright}🪸 ReefVM REPL${colors.reset}`) console.log(`${colors.bright}🪸 ReefVM REPL${colors.reset}`)
console.log(`${colors.bright}${colors.cyan}═══════════════════════════════════════════════════════════════${colors.reset}`) console.log(`${colors.bright}${colors.cyan}═══════════════════════════════════════════════════════════════${colors.reset}`)
console.log(`\nType instructions one at a time. Commands:`) console.log(`\nType instructions one at a time. Use ${colors.bright}Tab${colors.reset} for autocomplete.`)
console.log(`\nCommands:`)
console.log(` ${colors.bright}clear${colors.reset} - Clear screen and reset state`) console.log(` ${colors.bright}clear${colors.reset} - Clear screen and reset state`)
console.log(` ${colors.bright}reset${colors.reset} - Reset VM state (keep history visible)`) console.log(` ${colors.bright}reset${colors.reset} - Reset VM state (keep history visible)`)
console.log(` ${colors.bright}exit${colors.reset} - Quit REPL`) console.log(` ${colors.bright}exit${colors.reset} - Quit REPL`)
@ -182,10 +183,24 @@ function showWelcome() {
} }
async function repl() { async function repl() {
// Get all opcode names for autocomplete
const opcodes = Object.keys(OpCode)
.filter(key => isNaN(Number(key))) // Filter out numeric keys (enum values)
const commands = ['clear', 'reset', 'exit', 'quit']
const completions = [...opcodes, ...commands]
// Autocomplete function
function completer(line: string) {
const hits = completions.filter(c => c.toLowerCase().startsWith(line.toLowerCase()))
return [hits.length ? hits : completions, line]
}
const rl = readline.createInterface({ const rl = readline.createInterface({
input: process.stdin, input: process.stdin,
output: process.stdout, output: process.stdout,
prompt: `${colors.green}reef>${colors.reset} `, prompt: `${colors.green}reef>${colors.reset} `,
completer,
}) })
let instructions: string[] = [] let instructions: string[] = []