ifc-language-server/node_modules/get-caller-file/index.js
Ryan Schultz 8afacf268a Implemented a working Language Server Protocol (LSP) for IFC files with:
- Hover provider showing entity information and type
- Go-to-definition (F12) for entity references
- Basic IFC file validation (ISO-10303-21 header check)
- Entity parsing with regex-based detection
- Proper CommonJS module system (avoiding ES module issues)

This replaces the broken baseline from ifc-developer-tools which had:
- Non-functional ES module configuration
- Circular dependency issues
- Parser crashes
- Non-working PositionVisitor

Built on Microsoft's LSP example template for a clean, maintainable foundation.

Next: Add hierarchical entity dependency tree in hover tooltip."
2025-12-07 10:20:07 -06:00

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1.1 KiB
JavaScript

"use strict";
// Call this function in a another function to find out the file from
// which that function was called from. (Inspects the v8 stack trace)
//
// Inspired by http://stackoverflow.com/questions/13227489
module.exports = function getCallerFile(position) {
if (position === void 0) { position = 2; }
if (position >= Error.stackTraceLimit) {
throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' + position + '` and Error.stackTraceLimit was: `' + Error.stackTraceLimit + '`');
}
var oldPrepareStackTrace = Error.prepareStackTrace;
Error.prepareStackTrace = function (_, stack) { return stack; };
var stack = new Error().stack;
Error.prepareStackTrace = oldPrepareStackTrace;
if (stack !== null && typeof stack === 'object') {
// stack[0] holds this file
// stack[1] holds where this function was called
// stack[2] holds the file we're interested in
return stack[position] ? stack[position].getFileName() : undefined;
}
};
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