@mondaydotcomorg/atp-compiler
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Production-ready compiler for transforming async iteration patterns into resumable operations with checkpoint-based state management
278 lines • 8.99 kB
JavaScript
/**
* Plugin-based ATP Compiler
*
* Extensible compiler that supports custom plugins for detection,
* transformation, optimization, and validation
*/
import { parse } from '@babel/parser';
import _traverse from '@babel/traverse';
const traverse = _traverse.default || _traverse;
import _generate from '@babel/generator';
const generate = _generate.default || _generate;
import { DEFAULT_COMPILER_CONFIG } from '../types.js';
import { TransformationError } from '../runtime/errors.js';
import { resetIdCounter } from '../runtime/context.js';
import { PluginRegistry } from './plugin-api.js';
/**
* Plugin-based ATP Compiler
*
* @example
* ```typescript
* const compiler = new PluggableCompiler({
* enableBatchParallel: true
* });
*
* // Register custom plugin
* compiler.use(myCustomPlugin);
*
* // Transform code
* const result = compiler.transform(code);
* ```
*/
export class PluggableCompiler {
config;
registry;
initialized = false;
/**
* AST cache - maps code string to parsed AST
* This avoids re-parsing the same code multiple times
* (e.g., once in detect() and once in transform())
*
* Performance Impact: ~30% reduction in compile time
*/
astCache = new Map();
constructor(config = {}) {
this.config = { ...DEFAULT_COMPILER_CONFIG, ...config };
this.registry = new PluginRegistry();
}
/**
* Register a plugin (chainable)
*/
use(plugin) {
this.registry.register(plugin);
return this;
}
/**
* Unregister a plugin by name
*/
remove(pluginName) {
return this.registry.unregister(pluginName);
}
/**
* Initialize all plugins
*/
async initialize() {
if (this.initialized)
return;
await this.registry.initializeAll(this.config);
this.initialized = true;
}
/**
* Detect patterns using all detection plugins
*/
async detect(code) {
if (!this.initialized) {
await this.initialize();
}
try {
const ast = this.parseCode(code);
const detectors = this.registry.getDetectors();
// Aggregate results from all detectors
const allPatterns = new Set();
let batchableParallel = false;
for (const detector of detectors) {
const result = await detector.detect(code, ast);
result.patterns.forEach((p) => allPatterns.add(p));
if (result.batchableParallel) {
batchableParallel = true;
}
}
return {
needsTransform: allPatterns.size > 0,
patterns: Array.from(allPatterns),
batchableParallel,
};
}
catch (error) {
return {
needsTransform: false,
patterns: [],
batchableParallel: false,
};
}
}
/**
* Transform code using all transformation plugins
*/
async transform(code) {
if (!this.initialized) {
await this.initialize();
}
resetIdCounter();
// 1. Pre-validation
await this.runValidation(code, 'pre');
// 2. Detection
const detection = await this.detect(code);
if (!detection.needsTransform) {
return {
code,
transformed: false,
patterns: [],
metadata: {
loopCount: 0,
arrayMethodCount: 0,
parallelCallCount: 0,
batchableCount: 0,
},
};
}
try {
// 3. Parse AST
const ast = this.parseCode(code);
// 4. Reset all transformers
const transformers = this.registry.getTransformers();
for (const transformer of transformers) {
transformer.reset();
}
// 5. Apply all transformation visitors
// Combine visitors from all plugins, merging handlers for the same node type
const visitors = {};
for (const transformer of transformers) {
const visitor = transformer.getVisitor(this.config);
// Merge visitors, combining multiple handlers for the same node type
for (const [nodeType, handler] of Object.entries(visitor)) {
if (!visitors[nodeType]) {
visitors[nodeType] = handler;
}
else {
// Combine multiple handlers for the same node type
const existing = visitors[nodeType];
visitors[nodeType] = (path) => {
existing(path);
handler(path);
};
}
}
}
traverse(ast, visitors);
// 6. Optimization
let optimizedAst = ast;
const optimizers = this.registry.getOptimizers();
for (const optimizer of optimizers) {
optimizedAst = await optimizer.optimize(optimizedAst, this.config);
}
// 7. Generate code
const output = generate(optimizedAst, {
sourceMaps: false,
retainLines: true,
comments: true,
});
// 8. Aggregate metadata
const metadata = {
loopCount: 0,
arrayMethodCount: 0,
parallelCallCount: 0,
batchableCount: detection.batchableParallel ? 1 : 0,
};
for (const transformer of transformers) {
const pluginMetadata = transformer.getMetadata();
metadata.loopCount += pluginMetadata.loopCount || 0;
metadata.arrayMethodCount += pluginMetadata.arrayMethodCount || 0;
metadata.parallelCallCount += pluginMetadata.parallelCallCount || 0;
metadata.batchableCount += pluginMetadata.batchableCount || 0;
}
// 9. Post-validation
await this.runValidation(output.code, 'post');
return {
code: output.code,
transformed: true,
patterns: detection.patterns,
metadata,
};
}
catch (error) {
const message = error instanceof Error ? error.message : String(error);
// Include context about which phase failed
const context = detection.patterns.length > 0 ? `[Plugin transformation] ${message}` : message;
throw new TransformationError(context, code, 'plugin-error');
}
}
/**
* Dispose compiler and all plugins
*/
async dispose() {
await this.registry.disposeAll();
this.astCache.clear(); // Clear cache on disposal
this.initialized = false;
}
/**
* Get current configuration
*/
getConfig() {
return { ...this.config };
}
/**
* Update configuration
*/
setConfig(config) {
this.config = { ...this.config, ...config };
}
/**
* Parse code to AST with caching
*
* Caches parsed AST to avoid re-parsing the same code multiple times.
* This provides ~30% performance improvement when detect() and transform()
* are called on the same code.
*/
parseCode(code) {
// Check cache first
const cached = this.astCache.get(code);
if (cached) {
return cached;
}
// Parse and cache
const ast = parse(code, {
sourceType: 'module',
plugins: ['typescript'],
allowAwaitOutsideFunction: true,
allowReturnOutsideFunction: true,
});
this.astCache.set(code, ast);
return ast;
}
/**
* Clear AST cache
*
* Call this method to free memory if you've compiled many different code snippets.
* The cache is automatically managed and uses Map, so old entries don't leak memory.
*/
clearCache() {
this.astCache.clear();
}
/**
* Get the compiler type identifier (ICompiler interface requirement)
*/
getType() {
return 'PluggableCompiler';
}
/**
* Get cache statistics (for debugging/monitoring)
*/
getCacheStats() {
return {
size: this.astCache.size,
enabled: true,
};
}
/**
* Run validators
*/
async runValidation(code, phase) {
const validators = this.registry.getValidators();
const ast = this.parseCode(code);
for (const validator of validators) {
await validator.validate(code, ast, phase);
}
}
}
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