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Nasal-Interpreter
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[web] Switched REPL server demo to koffi

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Sidi Liang 2024-11-08 11:50:14 +08:00
parent eae25eeb9a
commit afdaac9670
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1 changed files with 20 additions and 8 deletions
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28
nasal-web-app/server_repl.js
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@ -1,8 +1,8 @@
const express = require('express'); const express = require('express');
const ffi = require('ffi-napi');
const path = require('path'); const path = require('path');
const yargs = require('yargs/yargs'); const yargs = require('yargs/yargs');
const { hideBin } = require('yargs/helpers'); const { hideBin } = require('yargs/helpers');
const koffi = require('koffi');
// Parse command line arguments // Parse command line arguments
const argv = yargs(hideBin(process.argv)) const argv = yargs(hideBin(process.argv))
@ -34,13 +34,25 @@ app.use(express.static('public'));
// Load Nasal REPL library functions // Load Nasal REPL library functions
const nasalLib = ffi.Library(path.join(__dirname, '../module/libnasal-web'), { let nasalLib;
'nasal_repl_init': ['pointer', []], try {
'nasal_repl_cleanup': ['void', ['pointer']], const lib = koffi.load(path.join(__dirname, '../module/libnasal-web.dylib'));
'nasal_repl_eval': ['string', ['pointer', 'string']],
'nasal_repl_is_complete': ['int', ['pointer', 'string']], nasalLib = {
'nasal_repl_get_version': ['string', []], nasal_repl_init: lib.func('nasal_repl_init', 'void*', []),
}); nasal_repl_cleanup: lib.func('nasal_repl_cleanup', 'void', ['void*']),
nasal_repl_eval: lib.func('nasal_repl_eval', 'const char*', ['void*', 'const char*']),
nasal_repl_is_complete: lib.func('nasal_repl_is_complete', 'int', ['void*', 'const char*']),
nasal_repl_get_version: lib.func('nasal_repl_get_version', 'const char*', [])
};
if (argv.verbose) {
console.log('REPL Library loaded successfully');
}
} catch (err) {
console.error('Failed to load REPL library:', err);
process.exit(1);
}
// Store active REPL sessions // Store active REPL sessions
const replSessions = new Map(); const replSessions = new Map();