Xdebug MCP Server
by kpanuragh
- xdebug-mcp
- src
- session
session-export.ts•10 kB
/**
* Session Export
* Export debug sessions as JSON/HTML reports for sharing.
*/
import { DebugSession, SessionState } from './session.js';
import { StackFrame, Property, Breakpoint } from '../dbgp/types.js';
import { RequestContext } from './request-context.js';
import { WatchExpression } from './watch-manager.js';
import { LogEntry } from './logpoint-manager.js';
export interface DebugSnapshot {
timestamp: Date;
sessionId: string;
state: SessionState;
stackTrace: StackFrame[];
variables: Record<string, Property>;
watchValues: Array<{ expression: string; value: Property | null; error?: string }>;
breakpoints: Breakpoint[];
requestContext?: RequestContext;
logEntries?: LogEntry[];
}
export interface ExportedSession {
exportedAt: Date;
sessionInfo: {
id: string;
startTime: Date;
endTime?: Date;
initialFile: string;
ideKey: string;
};
snapshots: DebugSnapshot[];
summary: {
totalSnapshots: number;
filesVisited: string[];
breakpointsHit: number;
totalSteps: number;
};
}
export class SessionExporter {
private snapshots: DebugSnapshot[] = [];
private filesVisited: Set<string> = new Set();
private breakpointsHit: number = 0;
private totalSteps: number = 0;
/**
* Capture a snapshot of the current debug state
*/
async captureSnapshot(
session: DebugSession,
additionalData?: {
watchValues?: Array<{ expression: string; value: Property | null; error?: string }>;
requestContext?: RequestContext;
logEntries?: LogEntry[];
}
): Promise<DebugSnapshot> {
const state = session.getState();
let stackTrace: StackFrame[] = [];
let variables: Record<string, Property> = {};
let breakpoints: Breakpoint[] = [];
try {
stackTrace = await session.getStackTrace();
} catch {
// May fail if session is not in break state
}
try {
const vars = await session.getVariables(0, 0);
for (const v of vars) {
variables[v.name] = v;
}
} catch {
// May fail
}
try {
breakpoints = await session.listBreakpoints();
} catch {
// May fail
}
if (state.filename) {
this.filesVisited.add(state.filename);
}
this.totalSteps++;
const snapshot: DebugSnapshot = {
timestamp: new Date(),
sessionId: session.id,
state,
stackTrace,
variables,
watchValues: additionalData?.watchValues || [],
breakpoints,
requestContext: additionalData?.requestContext,
logEntries: additionalData?.logEntries,
};
this.snapshots.push(snapshot);
return snapshot;
}
/**
* Record a breakpoint hit
*/
recordBreakpointHit(): void {
this.breakpointsHit++;
}
/**
* Export session as JSON
*/
exportAsJson(session: DebugSession): string {
const exported = this.buildExportedSession(session);
return JSON.stringify(exported, null, 2);
}
/**
* Export session as HTML report
*/
exportAsHtml(session: DebugSession): string {
const exported = this.buildExportedSession(session);
return this.generateHtmlReport(exported);
}
/**
* Build the exported session object
*/
private buildExportedSession(session: DebugSession): ExportedSession {
const initPacket = session.initPacket;
return {
exportedAt: new Date(),
sessionInfo: {
id: session.id,
startTime: session.startTime,
initialFile: initPacket?.fileUri || '',
ideKey: initPacket?.ideKey || '',
},
snapshots: this.snapshots,
summary: {
totalSnapshots: this.snapshots.length,
filesVisited: Array.from(this.filesVisited),
breakpointsHit: this.breakpointsHit,
totalSteps: this.totalSteps,
},
};
}
/**
* Generate HTML report
*/
private generateHtmlReport(exported: ExportedSession): string {
const escapeHtml = (str: string): string => {
return str
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/"/g, '"');
};
return `<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Debug Session Report - ${exported.sessionInfo.id}</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
max-width: 1200px;
margin: 0 auto;
padding: 20px;
background: #f5f5f5;
}
h1, h2, h3 { color: #333; }
.card {
background: white;
border-radius: 8px;
padding: 20px;
margin: 20px 0;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.summary-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 15px;
}
.summary-item {
background: #f8f9fa;
padding: 15px;
border-radius: 4px;
text-align: center;
}
.summary-value {
font-size: 24px;
font-weight: bold;
color: #007bff;
}
.summary-label {
color: #666;
font-size: 14px;
}
.snapshot {
border-left: 4px solid #007bff;
padding-left: 15px;
margin: 15px 0;
}
.snapshot-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
}
.status {
padding: 4px 8px;
border-radius: 4px;
font-size: 12px;
font-weight: bold;
}
.status-break { background: #ffc107; color: #333; }
.status-running { background: #28a745; color: white; }
.status-stopped { background: #dc3545; color: white; }
pre {
background: #1e1e1e;
color: #d4d4d4;
padding: 15px;
border-radius: 4px;
overflow-x: auto;
font-size: 13px;
}
.stack-frame {
padding: 8px;
margin: 4px 0;
background: #f8f9fa;
border-radius: 4px;
}
.stack-frame-current {
background: #e7f1ff;
border-left: 3px solid #007bff;
}
.variable {
display: flex;
justify-content: space-between;
padding: 8px;
border-bottom: 1px solid #eee;
}
.variable-name { font-weight: bold; color: #007bff; }
.variable-type { color: #666; font-size: 12px; }
.timestamp { color: #888; font-size: 12px; }
table {
width: 100%;
border-collapse: collapse;
}
th, td {
padding: 10px;
text-align: left;
border-bottom: 1px solid #ddd;
}
th { background: #f8f9fa; }
</style>
</head>
<body>
<h1>Debug Session Report</h1>
<div class="card">
<h2>Session Information</h2>
<table>
<tr><th>Session ID</th><td>${escapeHtml(exported.sessionInfo.id)}</td></tr>
<tr><th>Initial File</th><td>${escapeHtml(exported.sessionInfo.initialFile)}</td></tr>
<tr><th>IDE Key</th><td>${escapeHtml(exported.sessionInfo.ideKey)}</td></tr>
<tr><th>Start Time</th><td>${exported.sessionInfo.startTime.toISOString()}</td></tr>
<tr><th>Export Time</th><td>${exported.exportedAt.toISOString()}</td></tr>
</table>
</div>
<div class="card">
<h2>Summary</h2>
<div class="summary-grid">
<div class="summary-item">
<div class="summary-value">${exported.summary.totalSnapshots}</div>
<div class="summary-label">Snapshots</div>
</div>
<div class="summary-item">
<div class="summary-value">${exported.summary.totalSteps}</div>
<div class="summary-label">Steps Taken</div>
</div>
<div class="summary-item">
<div class="summary-value">${exported.summary.breakpointsHit}</div>
<div class="summary-label">Breakpoints Hit</div>
</div>
<div class="summary-item">
<div class="summary-value">${exported.summary.filesVisited.length}</div>
<div class="summary-label">Files Visited</div>
</div>
</div>
</div>
<div class="card">
<h2>Files Visited</h2>
<ul>
${exported.summary.filesVisited.map((f) => `<li>${escapeHtml(f)}</li>`).join('\n')}
</ul>
</div>
<div class="card">
<h2>Debug Timeline</h2>
${exported.snapshots
.map(
(snap, i) => `
<div class="snapshot">
<div class="snapshot-header">
<strong>Snapshot #${i + 1}</strong>
<span class="status status-${snap.state.status}">${snap.state.status}</span>
<span class="timestamp">${snap.timestamp.toISOString()}</span>
</div>
<p><strong>Location:</strong> ${escapeHtml(snap.state.filename || 'N/A')}:${snap.state.lineno || 'N/A'}</p>
${
snap.stackTrace.length > 0
? `
<h4>Stack Trace</h4>
${snap.stackTrace
.map(
(frame, fi) => `
<div class="stack-frame ${fi === 0 ? 'stack-frame-current' : ''}">
#${frame.level} ${escapeHtml(frame.where || '(main)')} at ${escapeHtml(frame.filename)}:${frame.lineno}
</div>
`
)
.join('')}
`
: ''
}
${
Object.keys(snap.variables).length > 0
? `
<h4>Variables</h4>
${Object.entries(snap.variables)
.slice(0, 20)
.map(
([name, prop]) => `
<div class="variable">
<span class="variable-name">${escapeHtml(name)}</span>
<span>
<span class="variable-type">(${escapeHtml(prop.type)})</span>
${prop.value ? escapeHtml(String(prop.value).slice(0, 100)) : ''}
</span>
</div>
`
)
.join('')}
`
: ''
}
</div>
`
)
.join('')}
</div>
<div class="card">
<h2>Raw Export Data</h2>
<pre>${escapeHtml(JSON.stringify(exported, null, 2))}</pre>
</div>
</body>
</html>`;
}
/**
* Clear all captured data
*/
reset(): void {
this.snapshots = [];
this.filesVisited.clear();
this.breakpointsHit = 0;
this.totalSteps = 0;
}
get snapshotCount(): number {
return this.snapshots.length;
}
}
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