/**
* Utility functions for mcp-netcoredbg
*/
import * as path from "path";
import * as fs from "fs";
import { StackFrame, Variable } from "./dap-client.js";
import { sessionManager } from "./session-manager.js";
/**
* Check if source code is newer than compiled code.
* Helps users know when they need to rebuild.
*/
export function checkCodeStaleness(): { stale: boolean; message?: string } {
try {
const compiledPath = new URL(import.meta.url).pathname;
const srcDir = path.resolve(path.dirname(compiledPath), "..", "src");
const sourcePath = path.join(srcDir, "index.ts");
if (!fs.existsSync(sourcePath)) {
return { stale: false };
}
const compiledStat = fs.statSync(compiledPath);
const sourceStat = fs.statSync(sourcePath);
if (sourceStat.mtimeMs > compiledStat.mtimeMs) {
const diffMs = sourceStat.mtimeMs - compiledStat.mtimeMs;
const diffMins = Math.round(diffMs / 60000);
return {
stale: true,
message: `⚠️ Source code is ${diffMins > 0 ? diffMins + " minute(s)" : "seconds"} newer than compiled code. Run 'npm run build' and restart MCP server to pick up changes.`,
};
}
return { stale: false };
} catch {
return { stale: false };
}
}
/**
* Format a stack frame for display.
*/
export function formatStackFrame(frame: StackFrame): string {
const location = frame.source?.path
? `${frame.source.path}:${frame.line}`
: frame.source?.name || "unknown";
return `#${frame.id} ${frame.name} at ${location}`;
}
/**
* Format a variable for display with optional indentation.
*/
export function formatVariable(v: Variable, indent = 0): string {
const prefix = " ".repeat(indent);
const type = v.type ? ` (${v.type})` : "";
return `${prefix}${v.name}${type} = ${v.value}`;
}
/**
* Format session prefix for multi-session output clarity.
* Only shows prefix when there are multiple active sessions.
*/
export function sessionPrefix(sessionId: string): string {
return sessionManager.sessionCount() > 1 ? `[${sessionId}] ` : "";
}
