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Remove files committed by accident.

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Jason Walton
2013-01-14 17:10:49 -05:00
parent 97bc9f4730
commit 923739ebb4
2 changed files with 0 additions and 259 deletions
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139
lib/coffee-script/sourcemap.js
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// Generated by CoffeeScript 1.5.0-pre
(function() {
var BASE64_CHARS, LineMapping, MAX_BASE64_VALUE, VLQ_CONTINUATION_BIT, VLQ_MASK, VLQ_SHIFT, encodeBase64Char;
LineMapping = (function() {
function LineMapping(generatedLine) {
this.generatedLine = generatedLine;
this.columnMap = {};
this.columnMappings = [];
}
LineMapping.prototype.addMapping = function(generatedColumn, sourceLine, sourceColumn) {
if (this.columnMap[generatedColumn]) {
return;
}
this.columnMap[generatedColumn] = {
generatedLine: this.generatedLine,
generatedColumn: generatedColumn,
sourceLine: sourceLine,
sourceColumn: sourceColumn
};
return this.columnMappings.push(this.columnMap[generatedColumn]);
};
return LineMapping;
})();
exports.SourceMap = (function() {
function SourceMap() {
this.generatedLines = [];
}
SourceMap.prototype.addMapping = function(generatedLine, generatedColumn, sourceLine, sourceColumn) {
var lineArray;
lineArray = this.generatedLines[generatedLine];
if (!lineArray) {
lineArray = this.generatedLines[generatedLine] = LineMapping(generatedLine);
}
return lineArray.addMapping(generatedColumn, sourceLine, sourceColumn);
};
SourceMap.prototype.forEachMapping = function(fn) {
var columnMapping, generatedLineNumber, lineMapping, _i, _len, _ref, _results;
_ref = this.generatedLines;
_results = [];
for (generatedLineNumber = _i = 0, _len = _ref.length; _i < _len; generatedLineNumber = ++_i) {
lineMapping = _ref[generatedLineNumber];
if (lineMapping) {
_results.push((function() {
var _j, _len1, _ref1, _results1;
_ref1 = lineMapping.columnMappings;
_results1 = [];
for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
columnMapping = _ref1[_j];
_results1.push(fn(columnMapping));
}
return _results1;
})());
} else {
_results.push(void 0);
}
}
return _results;
};
return SourceMap;
})();
exports.generateV3SourceMap = function(sourceMap) {
var lastGeneratedColumnWritten, lastSourceColumnWritten, lastSourceLineWritten, mappings, needComma, writingGeneratedLine;
writingGeneratedLine = 0;
lastGeneratedColumnWritten = 0;
lastSourceLineWritten = 0;
lastSourceColumnWritten = 0;
needComma = false;
mappings = "";
return sourceMap.forEachMapping(function(mapping) {
while (writingGeneratedLine < mapping.generatedLine) {
lastGeneratedColumnWritten = 0;
needComma = false;
mappings += ";";
writingGeneratedLine++;
}
if (needComma) {
mappings += ",";
needComma = false;
}
exports.vlqEncodeValue(mapping.generatedColumn - lastGeneratedColumnWritten);
lastGeneratedColumnWritten = mapping.generatedColumn;
exports.vlqEncodeValue(0);
exports.vlqEncodeValue(mapping.sourceLine - lastSourceLineWritten);
lastSourceLineWritten = mapping.sourceLine;
exports.vlqEncodeValue(mapping.sourceColumn - lastSourceColumnWritten);
lastSourceColumnWritten = mapping.sourceColumn;
return needComma = true;
});
};
BASE64_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
MAX_BASE64_VALUE = BASE64_CHARS.length - 1;
VLQ_SHIFT = 5;
VLQ_MASK = 0x1F;
VLQ_CONTINUATION_BIT = 0x20;
encodeBase64Char = function(value) {
if (value > MAX_BASE64_VALUE) {
throw Error("Cannot encode value " + value + " > " + MAX_BASE64_VALUE);
} else if (value < 0) {
throw Error("Cannot encode value " + value + " < 0");
}
return BASE64_CHARS[value];
};
exports.vlqEncodeValue = function(value) {
var answer, nextVlqChunk, _results;
value = value < 0 ? 1 : 0;
value += Math.abs(value) << 1;
answer = "";
_results = [];
while (value) {
nextVlqChunk = value & VLQ_MASK;
value >> VLQ_SHIFT;
if (value) {
nextVlqChunk |= VLQ_CONTINUATION_BIT;
}
_results.push(answer += encodeBase64Char(nextVlqChunk));
}
return _results;
};
}).call(this);

120
src/sourcemap.coffee
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# Hold data about mappings for one line of generated source code.
class LineMapping
constructor: (@generatedLine) ->
@columnMap = {}
@columnMappings = []
addMapping: (generatedColumn, sourceLine, sourceColumn) ->
if @columnMap[generatedColumn]
# We already have a mapping for this column. Bail.
return
@columnMap[generatedColumn] = {
generatedLine: @generatedLine
generatedColumn
sourceLine
sourceColumn
}
@columnMappings.push @columnMap[generatedColumn]
class exports.SourceMap
constructor: () ->
# Array of LineMappings, one per generated line.
@generatedLines = []
# Adds a mapping to this SourceMap.
# If there is already a mapping for the specified `generatedLine` and
# `generatedColumn`, then this will have no effect.
addMapping: (generatedLine, generatedColumn, sourceLine, sourceColumn) ->
lineArray = @generatedLines[generatedLine]
if not lineArray
lineArray = @generatedLines[generatedLine] = LineMapping(generatedLine)
lineArray.addMapping generatedColumn, sourceLine, sourceColumn
# `fn` will be called once for every recorded mapping, in the order in
# which they occur in the generated source. `fn` will be passed an object
# with four properties: generatedLine, generatedColumn, sourceLine, and
# sourceColumn.
forEachMapping: (fn) ->
for lineMapping, generatedLineNumber in @generatedLines
if lineMapping
for columnMapping in lineMapping.columnMappings
fn(columnMapping)
#### Build a V3 source map from a SourceMap object.
# Returns the generated JSON as a string.
exports.generateV3SourceMap = (sourceMap) ->
writingGeneratedLine = 0
lastGeneratedColumnWritten = 0
lastSourceLineWritten = 0
lastSourceColumnWritten = 0
needComma = no
mappings = ""
sourceMap.forEachMapping (mapping) ->
while writingGeneratedLine < mapping.generatedLine
lastGeneratedColumnWritten = 0
needComma = no
mappings += ";"
writingGeneratedLine++
if needComma
mappings += ","
needComma = no
# Add the generated start-column
exports.vlqEncodeValue(mapping.generatedColumn - lastGeneratedColumnWritten)
lastGeneratedColumnWritten = mapping.generatedColumn
# Add the index into the sources list
exports.vlqEncodeValue(0)
# Add the source start-line
exports.vlqEncodeValue(mapping.sourceLine - lastSourceLineWritten)
lastSourceLineWritten = mapping.sourceLine
# Add the source start-column
exports.vlqEncodeValue(mapping.sourceColumn - lastSourceColumnWritten)
lastSourceColumnWritten = mapping.sourceColumn
# TODO: Do we care about symbol names for CoffeeScript?
needComma = yes
BASE64_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
MAX_BASE64_VALUE = BASE64_CHARS.length - 1
VLQ_SHIFT = 5
VLQ_MASK = 0x1F # 0001 1111
VLQ_CONTINUATION_BIT = 0x20 # 0010 0000
encodeBase64Char = (value) ->
if value > MAX_BASE64_VALUE
throw Error "Cannot encode value #{value} > #{MAX_BASE64_VALUE}"
else if value < 0
throw Error "Cannot encode value #{value} < 0"
BASE64_CHARS[value]
exports.vlqEncodeValue = (value) ->
# Least significant bit represents the sign.
value = if value < 0 then 1 else 0
# Next bits are the actual value
value += Math.abs(value) << 1
answer = ""
while value
nextVlqChunk = value & VLQ_MASK
value >> VLQ_SHIFT
if value
nextVlqChunk |= VLQ_CONTINUATION_BIT
answer += encodeBase64Char(nextVlqChunk)