probablycorey/shrimp
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cli: add print/-E

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Chris Wanstrath 2025-11-09 19:52:59 -08:00
parent 7d14ef173b
commit 3a1e9e9250
1 changed files with 20 additions and 10 deletions
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30
bin/shrimp
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@ -2,10 +2,9 @@
import { colors } from '../src/prelude' import { colors } from '../src/prelude'
import { treeToString } from '../src/utils/tree' import { treeToString } from '../src/utils/tree'
import { runFile, compileFile, parseCode } from '../src' import { runCode, runFile, compileFile, parseCode } from '../src'
import { bytecodeToString } from 'reefvm' import { bytecodeToString } from 'reefvm'
import { readFileSync, writeFileSync, mkdirSync } from 'fs' import { readFileSync } from 'fs'
import { randomUUID } from 'crypto'
import { spawn } from 'child_process' import { spawn } from 'child_process'
import { join } from 'path' import { join } from 'path'
@ -19,6 +18,7 @@ ${colors.bright}Commands:${colors.reset}
${colors.cyan}parse ${colors.yellow}./my-file.sh${colors.reset} Print parse tree for Shrimp file ${colors.cyan}parse ${colors.yellow}./my-file.sh${colors.reset} Print parse tree for Shrimp file
${colors.cyan}bytecode ${colors.yellow}./my-file.sh${colors.reset} Print bytecode for Shrimp file ${colors.cyan}bytecode ${colors.yellow}./my-file.sh${colors.reset} Print bytecode for Shrimp file
${colors.cyan}eval ${colors.yellow}'some code'${colors.reset} Evaluate a line of Shrimp code ${colors.cyan}eval ${colors.yellow}'some code'${colors.reset} Evaluate a line of Shrimp code
${colors.cyan}print ${colors.yellow}'some code'${colors.reset} Evaluate a line of Shrimp code and print the result
${colors.cyan}repl${colors.reset} Start REPL ${colors.cyan}repl${colors.reset} Start REPL
${colors.cyan}help${colors.reset} Print this help message ${colors.cyan}help${colors.reset} Print this help message
${colors.cyan}version${colors.reset} Print version ${colors.cyan}version${colors.reset} Print version
@ -33,6 +33,12 @@ function showVersion() {
console.log('🦐 v0.0.1') console.log('🦐 v0.0.1')
} }
async function evalCode(code: string, imports: string[]) {
const importStatement = imports.length > 0 ? `import ${imports.join(' ')}` : ''
if (importStatement) code = `${importStatement}; ${code}`
return await runCode(code)
}
async function main() { async function main() {
let args = process.argv.slice(2) let args = process.argv.slice(2)
@ -101,14 +107,18 @@ async function main() {
process.exit(1) process.exit(1)
} }
// Prepend import statement if -I flags were provided await evalCode(code, imports)
const importStatement = imports.length > 0 ? `import ${imports.join(' ')}` : '' return
const fullCode = importStatement ? `${importStatement}; ${code}` : code }
try { mkdirSync('/tmp/shrimp') } catch { } if (['print', '-print', '--print', '-E'].includes(command)) {
const path = `/tmp/shrimp/${randomUUID()}.sh` const code = args[1]
writeFileSync(path, fullCode) if (!code) {
await runFile(path) console.log(`${colors.bright}usage: shrimp print <code>${colors.reset}`)
process.exit(1)
}
console.log(await evalCode(code, imports))
return return
} }