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port patchStackTrace from Redux

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Hao-kang Den
2013-03-12 14:26:51 +08:00
parent 20d98c7106
commit b7f0653a0e
2 changed files with 191 additions and 6 deletions
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95
lib/coffee-script/coffee-script.js
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@@ -1,6 +1,6 @@
// Generated by CoffeeScript 1.6.1
(function() {
var Lexer, compile, ext, fs, helpers, lexer, loadFile, parser, path, sourcemap, vm, _i, _len, _ref,
var Lexer, compile, ext, formatSourcePosition, fs, helpers, lexer, loadFile, parser, patchStackTrace, patched, path, sourcemap, vm, _i, _len, _ref,
__hasProp = {}.hasOwnProperty;
fs = require('fs');
@@ -100,16 +100,20 @@
};
exports.run = function(code, options) {
var mainModule;
var answer, mainModule;
if (options == null) {
options = {};
}
mainModule = require.main;
options.sourceMap = true;
mainModule.filename = process.argv[1] = options.filename ? fs.realpathSync(options.filename) : '.';
mainModule.moduleCache && (mainModule.moduleCache = {});
mainModule.paths = require('module')._nodeModulePaths(path.dirname(fs.realpathSync(options.filename)));
if (!helpers.isCoffee(mainModule.filename) || require.extensions) {
return mainModule._compile(compile(code, options), mainModule.filename);
answer = compile(code, options);
patchStackTrace();
mainModule._sourceMaps[mainModule.filename] = answer.sourceMap;
return mainModule._compile(answer.js, mainModule.filename);
} else {
return mainModule._compile(code, mainModule.filename);
}
@@ -210,4 +214,89 @@
return helpers.throwSyntaxError(message, parser.lexer.yylloc);
};
patched = false;
patchStackTrace = function() {
var mainModule;
if (patched) {
return;
}
patched = true;
mainModule = require.main;
mainModule._sourceMaps = {};
return Error.prepareStackTrace = function(err, stack) {
var frame, frames, getSourceMapping, sourceFiles, _ref1;
sourceFiles = {};
getSourceMapping = function(filename, line, column) {
var answer, sourceMap;
sourceMap = mainModule._sourceMaps[filename];
if (sourceMap) {
answer = sourceMap.getSourcePosition([line, column]);
}
return answer;
};
frames = (function() {
var _j, _len1, _results;
_results = [];
for (_j = 0, _len1 = stack.length; _j < _len1; _j++) {
frame = stack[_j];
if (frame.getFunction() === exports.run) {
break;
}
_results.push(" at " + (formatSourcePosition(frame, getSourceMapping)));
}
return _results;
})();
return "" + err.name + ": " + ((_ref1 = err.message) != null ? _ref1 : '') + "\n" + (frames.join('\n')) + "\n";
};
};
formatSourcePosition = function(frame, getSourceMapping) {
var as, column, fileLocation, fileName, functionName, isConstructor, isMethodCall, line, methodName, source, tp, typeName;
fileName = void 0;
fileLocation = '';
if (frame.isNative()) {
fileLocation = "native";
} else {
if (frame.isEval()) {
fileName = frame.getScriptNameOrSourceURL();
if (!fileName) {
fileLocation = "" + (frame.getEvalOrigin()) + ", ";
}
} else {
fileName = frame.getFileName();
}
fileName || (fileName = "<anonymous>");
line = frame.getLineNumber();
column = frame.getColumnNumber();
source = getSourceMapping(fileName, line, column);
fileLocation = source ? "" + fileName + ":" + source[0] + ":" + source[1] + ", <js>:" + line + ":" + column : "" + fileName + ":" + line + ":" + column;
}
functionName = frame.getFunctionName();
isConstructor = frame.isConstructor();
isMethodCall = !(frame.isToplevel() || isConstructor);
if (isMethodCall) {
methodName = frame.getMethodName();
typeName = frame.getTypeName();
if (functionName) {
tp = as = '';
if (typeName && functionName.indexOf(typeName)) {
tp = "" + typeName + ".";
}
if (methodName && functionName.indexOf("." + methodName) !== functionName.length - methodName.length - 1) {
as = " [as " + methodName + "]";
}
return "" + tp + functionName + as + " (" + fileLocation + ")";
} else {
return "" + typeName + "." + (methodName || '<anonymous>') + " (" + fileLocation + ")";
}
} else if (isConstructor) {
return "new " + (functionName || '<anonymous>') + " (" + fileLocation + ")";
} else if (functionName) {
return "" + functionName + " (" + fileLocation + ")";
} else {
return fileLocation;
}
};
}).call(this);