makecode-core/built/stackresolver.js

MakeCode (PXT) - web-cached build tool

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.expandStackTrace = exports.resolveAddr = void 0;
function resolveAddr(sourceMap, addr) {
    const offsets = [-2, -4, 0];
    let hit = "";
    let bestOffset = undefined;
    if (addr == 2)
        return "<bottom>";
    for (const fn of Object.keys(sourceMap)) {
        const vals = sourceMap[fn];
        for (let i = 0; i < vals.length; i += 3) {
            const lineNo = vals[i];
            const startA = vals[i + 1];
            const endA = startA + vals[i + 2];
            if (addr + 10 >= startA && addr - 10 <= endA) {
                for (const off of offsets) {
                    if (startA <= addr + off && addr + off <= endA) {
                        if (!hit ||
                            offsets.indexOf(off) < offsets.indexOf(bestOffset)) {
                            hit = fn + "(" + lineNo + ")";
                            bestOffset = off;
                        }
                    }
                }
            }
        }
    }
    return hit;
}
exports.resolveAddr = resolveAddr;
function expandStackTrace(sourceMap, stackTrace) {
    return stackTrace.replace(/(^| )PC:0x([A-F0-9]+)/g, (full, space, num) => {
        const n = resolveAddr(sourceMap, parseInt(num, 16)) || "???";
        return " " + n + " (0x" + num + ")";
    });
}
exports.expandStackTrace = expandStackTrace;
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