This commit is contained in:
ex61wi
2026-04-05 22:56:09 +02:00
parent 8cf3b6640a
commit 9e64c6b8d2
5 changed files with 201 additions and 62 deletions
+135 -41
View File
@@ -4,6 +4,8 @@ import * as path from 'path';
export interface CompilationError {
filePath: string;
line: number;
charStart?: number;
charEnd?: number;
message: string;
}
@@ -15,48 +17,92 @@ export interface ScriptCompilerOptions {
onError?: (error: CompilationError) => void
}
export interface ICompilationLogger {
info(message: string): void;
error(message: string): void;
writeLine(message: string): void;
}
class Metrics {
public totalLinesRead : number = 0;
public totalLinesWritten: number = 0;
public readTimeMs : number = 0;
public writeTimeMs : number = 0;
public totalTimeMs : number = 0;
public filesRead : number = 0;
public filesWritten : number = 0;
log(logger: ICompilationLogger){
logger.writeLine("Compilation Metrics: ")
logger.writeLine(`=====================`)
logger.writeLine(`Lines Read: ${this.totalLinesRead}`)
logger.writeLine(`Lines Written: ${this.totalLinesWritten}`)
logger.writeLine(`Files Processed: ${this.filesRead} | ${this.filesWritten}`)
logger.writeLine(`=====================`)
logger.writeLine(`Read Time (ms): ${this.readTimeMs} ms`)
logger.writeLine(`Write Time (ms): ${this.writeTimeMs} ms`)
logger.writeLine(`Total Time (ms): ${this.totalTimeMs} ms`)
}
}
const LUA_SCRIPT_GLOBAL_KEYWORD = 'ScriptGlobals';
export class ScriptCompiler {
constructor(private options: ScriptCompilerOptions) {
constructor(private options: ScriptCompilerOptions, private logger: ICompilationLogger) {
if (options.outputFileName === undefined) {
this.options.outputFileName = 'compiled.lua';
}
}
public async compile(): Promise<void> {
const start = Date.now();
const metricsMeter = new Metrics();
const entries = fs.readdirSync(this.options.sourcePath, { recursive: true, withFileTypes: true });
const parsedFiles: Map<string, ParsedFile> = new Map();
const readStart = Date.now();
for (const entry of entries) {
if (entry.isFile() && entry.name.endsWith('.lua')) {
const fullPath = path.join(entry.parentPath ?? entry.path, entry.name);
const relativePath = path.relative(this.options.sourcePath, fullPath);
const content = fs.readFileSync(fullPath, 'utf-8');
const parsedFile = this.parseFile(relativePath, content, fullPath);
const parsedFile = this.parseFile(relativePath, content, fullPath, metricsMeter);
parsedFiles.set(parsedFile.fileKey, parsedFile);
metricsMeter.filesRead++;
}
}
const readEnd = Date.now();
metricsMeter.readTimeMs = readEnd - readStart;
const writer = new Writer(
path.join(this.options.outputPath, this.options.outputFileName!),
parsedFiles,
this.logger,
this.options.onError
);
const writeStart = Date.now();
writer.write(metricsMeter);
const writeEnd = Date.now();
metricsMeter.writeTimeMs = (writeEnd - writeStart);
writer.write();
console.log(`Compilation complete. Output written to ${path.join(this.options.outputPath, this.options.outputFileName!)}`);
writer.logDependencyTree();
this.logger.info(`Compilation complete. Output written to ${path.join(this.options.outputPath, this.options.outputFileName!)}`);
const end = Date.now();
metricsMeter.totalTimeMs = (end-start);
metricsMeter.log(this.logger);
}
private reportError(filePath: string, line: number, message: string): void {
private reportError(filePath: string, line: number, charStart: number | undefined, charEnd: number | undefined, message: string): void {
if (this.options.onError) {
this.options.onError({ filePath, line, message });
this.options.onError({ filePath, line, charStart, charEnd, message });
}
}
private parseFile(filePath: string, content: string, fullPath: string): ParsedFile {
private parseFile(filePath: string, content: string, fullPath: string, metricsMeter: Metrics): ParsedFile {
const dependencies: Dependency[] = [];
const newLines: string[] = [`do --${filePath}`];
@@ -83,6 +129,7 @@ export class ScriptCompiler {
};
for (let i = 0; i < lines.length; i++) {
metricsMeter.totalLinesRead++;
let line = lines[i];
const trimmedLine = line.trim();
@@ -103,7 +150,7 @@ export class ScriptCompiler {
}
newLines.push(line);
} else {
this.reportError(fullPath, i, `Code found after module-level return: ${trimmedLine}`);
this.reportError(fullPath, i, undefined, undefined, `Code found after module-level return: ${trimmedLine}`);
newLines.push(line); // Continue processing despite error
}
continue;
@@ -112,8 +159,10 @@ export class ScriptCompiler {
// Handle require statements
const requireMatch = line.match(/require\(['"](.+?)['"]\)/);
if (requireMatch) {
const requiredModule = fileReferenceToLuaVariable(requireMatch[1]);
dependencies.push(new Dependency(requiredModule, fullPath, i + 1));
const textMatch = requireMatch[1];
const requiredModule = fileReferenceToLuaVariable(textMatch);
dependencies.push(new Dependency(textMatch, i, requireMatch.index ?? 0, (requireMatch.index ?? 0) + requireMatch[0].length));
line = line.replace(requireMatch[0], requiredModule);
}
@@ -164,7 +213,7 @@ export class ScriptCompiler {
const afterReturn = trimmedLine.substring(afterReturnPos).trim();
if (afterReturn === '') {
this.reportError(fullPath, i, 'Empty return statement at module level');
this.reportError(fullPath, i, afterReturnPos, afterReturnPos, 'Empty return statement at module level');
continue;
}
@@ -207,7 +256,7 @@ export class ScriptCompiler {
}
if (hasMultipleValues) {
this.reportError(fullPath, i, `Multiple return values not supported: ${trimmedLine}`);
this.reportError(fullPath, i, afterReturnPos, afterReturnPos + afterReturn.length, `Multiple return values not supported: ${trimmedLine}`);
} else {
// Replace return with assignment
const moduleVariable = fileReferenceToLuaVariable(filePath);
@@ -242,12 +291,17 @@ function stripLuaMultilineComments(content: string): string {
}
class Dependency {
public readonly fileKey: string;
constructor(
public readonly name: string,
public readonly filePath: string,
public readonly requiredAtLine: number
){}
public readonly requiredModule: string,
public readonly requiredAtLine: number,
public readonly charStart: number,
public readonly charEnd: number
)
{
this.fileKey = fileReferenceToLuaVariable(requiredModule);
}
}
class ParsedFile {
@@ -298,38 +352,52 @@ class Writer {
constructor(
public location: string,
public files: Map<string, ParsedFile>,
private readonly logger: ICompilationLogger,
public onError?: (error: CompilationError) => void
) {}
private getStartLines(): string[] {
return [`local ${LUA_SCRIPT_GLOBAL_KEYWORD} = {}`];
return [
`-- Transpiled at (UTC): ${new Date().toISOString()}`,
`local ${LUA_SCRIPT_GLOBAL_KEYWORD} = {}`
];
}
write(): void {
logDependencyTree(): void {
const visited: Set<string> = new Set();
const depth : number = 1;
this.logger.writeLine('Dependency Tree <root>:');
const logFileRecursive = (parsedFile: ParsedFile, currentDepth: number) => {
if (visited.has(parsedFile.fileKey)) {
return;
}
visited.add(parsedFile.fileKey);
let padding = ' '.repeat(currentDepth);
if (currentDepth > 0) {
padding = ' '.repeat(currentDepth) + '└─>';
}
const printable = parsedFile.fileKey.replace(LUA_SCRIPT_GLOBAL_KEYWORD + '.', '');
this.logger.writeLine(padding + printable);
for (const dep of parsedFile.dependencies) {
const depFile = this.files.get(dep.fileKey);
if (depFile) {
logFileRecursive(depFile, currentDepth + 1);
}
}
}
for (const parsedFile of this.files.values()) {
logFileRecursive(parsedFile, depth);
}
};
write(metrics: Metrics): void {
const writtenFiles: Set<string> = new Set();
const outputLines: string[] = [];
outputLines.push(...this.getStartLines());
const writeFileRecursive = (parsedFile: ParsedFile) => {
// Write dependencies first
for (const dep of parsedFile.dependencies) {
const depFile = this.files.get(dep.name);
if (depFile) {
writeFileRecursive(depFile);
} else {
this.onError?.({
filePath: parsedFile.fullPath,
line: 0,
message: `Missing dependency: ${dep}`
});
}
}
outputLines.push(...parsedFile.lines);
writtenFiles.add(parsedFile.fileKey);
};
const startLines = this.getStartLines();
metrics.totalLinesWritten+=startLines.length;
outputLines.push(...startLines);
//Check for circular dependencies before writing
const visited: Set<string> = new Set();
@@ -357,7 +425,7 @@ class Writer {
const file = this.files.get(key);
if (file) {
for (const dep of file.dependencies) {
if (checkCircular(dep.name)) {
if (checkCircular(dep.fileKey)) {
return true;
}
}
@@ -371,6 +439,32 @@ class Writer {
}
}
const writeFileRecursive = (parsedFile: ParsedFile) => {
if (writtenFiles.has(parsedFile.fileKey)) {
return;
}
// Write dependencies first
for (const dep of parsedFile.dependencies) {
const depFile = this.files.get(dep.fileKey);
if (depFile) {
writeFileRecursive(depFile);
} else {
this.onError?.({
filePath: parsedFile.fullPath,
line: dep.requiredAtLine,
charStart: dep.charStart,
charEnd: dep.charEnd,
message: `Missing dependency: ${dep.fileKey}`
});
}
}
metrics.totalLinesWritten += parsedFile.lines.length;
outputLines.push(...parsedFile.lines);
writtenFiles.add(parsedFile.fileKey);
metrics.filesWritten++;
};
// Write all files in dependency order
for (const parsedFile of this.files.values()) {
writeFileRecursive(parsedFile);