Brunobkr/llama.cpp_AlgMor24_github

1 2// v8 builtin format stack trace3// for when there was no previous prepareStackTrace function to call4var FormatStackTrace = require('./formatstack');5 6// some notes on the behavior below:7// because the 'stack' member is a one shot access variable (the raw stack is8// formatted on accessing it)9// we try to avoid modifying what the user would have wanted10// thus we use the previous value for prepareStackTrace11//12// The reason we store the callsite variable is because prepareStackTrace13// will not be called again once it has been called for a given error object14// but we want to support getting the stack out of the error multiple times (cause why not)15module.exports = function(err) {16 17    // save original stacktrace18    var save = Error.prepareStackTrace;19 20    // replace capture with our function21    Error.prepareStackTrace =  function(err, trace) {22 23        // cache stack frames so we don't have to get them again24        // use a non-enumerable property25        Object.defineProperty(err, '_sb_callsites', {26            value: trace27        });28 29        return (save || FormatStackTrace)(err, trace);30    };31 32    // force capture of the stack frames33    err.stack;34 35    // someone already asked for the stack so we can't do this trick36    // TODO fallback to string parsing?37    if (!err._sb_callsites) {38        return [];39    }40 41    // return original capture function42    Error.prepareStackTrace = save;43 44    return err._sb_callsites;45};46 47