162 lines
4.6 KiB
JavaScript
162 lines
4.6 KiB
JavaScript
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// Generated by CoffeeScript 1.10.0
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(function() {
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var LineMap, SourceMap;
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LineMap = (function() {
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function LineMap(line1) {
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this.line = line1;
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this.columns = [];
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}
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LineMap.prototype.add = function(column, arg, options) {
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var sourceColumn, sourceLine;
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sourceLine = arg[0], sourceColumn = arg[1];
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if (options == null) {
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options = {};
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}
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if (this.columns[column] && options.noReplace) {
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return;
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}
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return this.columns[column] = {
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line: this.line,
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column: column,
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sourceLine: sourceLine,
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sourceColumn: sourceColumn
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};
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};
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LineMap.prototype.sourceLocation = function(column) {
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var mapping;
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while (!((mapping = this.columns[column]) || (column <= 0))) {
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column--;
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}
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return mapping && [mapping.sourceLine, mapping.sourceColumn];
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};
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return LineMap;
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})();
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SourceMap = (function() {
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var BASE64_CHARS, VLQ_CONTINUATION_BIT, VLQ_SHIFT, VLQ_VALUE_MASK;
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function SourceMap() {
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this.lines = [];
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}
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SourceMap.prototype.add = function(sourceLocation, generatedLocation, options) {
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var base, column, line, lineMap;
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if (options == null) {
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options = {};
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}
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line = generatedLocation[0], column = generatedLocation[1];
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lineMap = ((base = this.lines)[line] || (base[line] = new LineMap(line)));
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return lineMap.add(column, sourceLocation, options);
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};
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SourceMap.prototype.sourceLocation = function(arg) {
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var column, line, lineMap;
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line = arg[0], column = arg[1];
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while (!((lineMap = this.lines[line]) || (line <= 0))) {
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line--;
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}
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return lineMap && lineMap.sourceLocation(column);
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};
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SourceMap.prototype.generate = function(options, code) {
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var buffer, i, j, lastColumn, lastSourceColumn, lastSourceLine, len, len1, lineMap, lineNumber, mapping, needComma, ref, ref1, v3, writingline;
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if (options == null) {
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options = {};
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}
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if (code == null) {
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code = null;
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}
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writingline = 0;
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lastColumn = 0;
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lastSourceLine = 0;
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lastSourceColumn = 0;
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needComma = false;
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buffer = "";
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ref = this.lines;
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for (lineNumber = i = 0, len = ref.length; i < len; lineNumber = ++i) {
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lineMap = ref[lineNumber];
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if (lineMap) {
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ref1 = lineMap.columns;
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for (j = 0, len1 = ref1.length; j < len1; j++) {
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mapping = ref1[j];
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if (!(mapping)) {
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continue;
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}
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while (writingline < mapping.line) {
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lastColumn = 0;
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needComma = false;
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buffer += ";";
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writingline++;
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}
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if (needComma) {
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buffer += ",";
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needComma = false;
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}
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buffer += this.encodeVlq(mapping.column - lastColumn);
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lastColumn = mapping.column;
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buffer += this.encodeVlq(0);
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buffer += this.encodeVlq(mapping.sourceLine - lastSourceLine);
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lastSourceLine = mapping.sourceLine;
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buffer += this.encodeVlq(mapping.sourceColumn - lastSourceColumn);
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lastSourceColumn = mapping.sourceColumn;
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needComma = true;
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}
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}
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}
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v3 = {
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version: 3,
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file: options.generatedFile || '',
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sourceRoot: options.sourceRoot || '',
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sources: options.sourceFiles || [''],
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names: [],
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mappings: buffer
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};
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if (options.inline) {
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v3.sourcesContent = [code];
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}
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return JSON.stringify(v3, null, 2);
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};
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VLQ_SHIFT = 5;
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VLQ_CONTINUATION_BIT = 1 << VLQ_SHIFT;
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VLQ_VALUE_MASK = VLQ_CONTINUATION_BIT - 1;
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SourceMap.prototype.encodeVlq = function(value) {
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var answer, nextChunk, signBit, valueToEncode;
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answer = '';
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signBit = value < 0 ? 1 : 0;
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valueToEncode = (Math.abs(value) << 1) + signBit;
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while (valueToEncode || !answer) {
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nextChunk = valueToEncode & VLQ_VALUE_MASK;
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valueToEncode = valueToEncode >> VLQ_SHIFT;
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if (valueToEncode) {
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nextChunk |= VLQ_CONTINUATION_BIT;
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}
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answer += this.encodeBase64(nextChunk);
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}
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return answer;
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};
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BASE64_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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SourceMap.prototype.encodeBase64 = function(value) {
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return BASE64_CHARS[value] || (function() {
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throw new Error("Cannot Base64 encode value: " + value);
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})();
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};
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return SourceMap;
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})();
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module.exports = SourceMap;
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}).call(this);
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