jsedn
Version:
js implementation of edn
290 lines (272 loc) • 8.49 kB
JavaScript
// Generated by CoffeeScript 1.6.1
(function() {
var BigInt, Char, Discard, Iterable, Keyword, List, Map, Pair, Prim, Set, StringObj, Symbol, Tag, Tagged, Vector, bigInt, char, encode, encodeHandlers, encodeJson, escapeChar, fs, handleToken, kw, lex, parenTypes, parens, parse, read, specialChars, sym, tagActions, tokenHandlers, type, typeClasses, _ref, _ref1, _ref2, _ref3, _ref4,
__indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
type = require("./type");
_ref = require("./atoms"), Prim = _ref.Prim, Symbol = _ref.Symbol, Keyword = _ref.Keyword, StringObj = _ref.StringObj, Char = _ref.Char, Discard = _ref.Discard, BigInt = _ref.BigInt, char = _ref.char, kw = _ref.kw, sym = _ref.sym, bigInt = _ref.bigInt;
_ref1 = require("./collections"), Iterable = _ref1.Iterable, List = _ref1.List, Vector = _ref1.Vector, Set = _ref1.Set, Pair = _ref1.Pair, Map = _ref1.Map;
_ref2 = require("./tags"), Tag = _ref2.Tag, Tagged = _ref2.Tagged, tagActions = _ref2.tagActions;
_ref3 = require("./encode"), encodeHandlers = _ref3.encodeHandlers, encode = _ref3.encode, encodeJson = _ref3.encodeJson;
_ref4 = require("./tokens"), handleToken = _ref4.handleToken, tokenHandlers = _ref4.tokenHandlers;
typeClasses = {
Map: Map,
List: List,
Vector: Vector,
Set: Set,
Discard: Discard,
Tag: Tag,
Tagged: Tagged,
StringObj: StringObj
};
parens = '()[]{}';
specialChars = parens + ' \t\n\r,';
escapeChar = '\\';
parenTypes = {
'(': {
closing: ')',
"class": "List"
},
'[': {
closing: ']',
"class": "Vector"
},
'{': {
closing: '}',
"class": "Map"
}
};
lex = function(string) {
var c, escaping, in_comment, in_string, line, lines, list, token, _i, _len;
list = [];
lines = [];
line = 1;
token = '';
for (_i = 0, _len = string.length; _i < _len; _i++) {
c = string[_i];
if (c === "\n" || c === "\r") {
line++;
}
if ((typeof in_string === "undefined" || in_string === null) && c === ";" && (typeof escaping === "undefined" || escaping === null)) {
in_comment = true;
}
if (in_comment) {
if (c === "\n") {
in_comment = void 0;
if (token) {
list.push(token);
lines.push(line);
token = '';
}
}
continue;
}
if (c === '"' && (typeof escaping === "undefined" || escaping === null)) {
if (typeof in_string !== "undefined" && in_string !== null) {
list.push(new StringObj(in_string));
lines.push(line);
in_string = void 0;
} else {
in_string = '';
}
continue;
}
if (in_string != null) {
if (c === escapeChar && (typeof escaping === "undefined" || escaping === null)) {
escaping = true;
continue;
}
if (escaping != null) {
escaping = void 0;
if (c === "t" || c === "n" || c === "f" || c === "r") {
in_string += escapeChar;
}
}
in_string += c;
} else if (__indexOf.call(specialChars, c) >= 0 && (escaping == null)) {
if (token) {
list.push(token);
lines.push(line);
token = '';
}
if (__indexOf.call(parens, c) >= 0) {
list.push(c);
lines.push(line);
}
} else {
if (escaping) {
escaping = void 0;
} else if (c === escapeChar) {
escaping = true;
}
if (token === "#_") {
list.push(token);
lines.push(line);
token = '';
}
token += c;
}
}
if (token) {
list.push(token);
lines.push(line);
}
return {
tokens: list,
tokenLines: lines
};
};
read = function(ast) {
var read_ahead, result, token1, tokenLines, tokens;
tokens = ast.tokens, tokenLines = ast.tokenLines;
read_ahead = function(token, tokenIndex, expectSet) {
var L, closeParen, handledToken, paren, tagged;
if (tokenIndex == null) {
tokenIndex = 0;
}
if (expectSet == null) {
expectSet = false;
}
if (token === void 0) {
return;
}
if ((!(token instanceof StringObj)) && (paren = parenTypes[token])) {
closeParen = paren.closing;
L = [];
while (true) {
token = tokens.shift();
if (token === void 0) {
throw "unexpected end of list at line " + tokenLines[tokenIndex];
}
tokenIndex++;
if (token === paren.closing) {
return new typeClasses[expectSet ? "Set" : paren["class"]](L);
} else {
L.push(read_ahead(token, tokenIndex));
}
}
} else if (__indexOf.call(")]}", token) >= 0) {
throw "unexpected " + token + " at line " + tokenLines[tokenIndex];
} else {
handledToken = handleToken(token);
if (handledToken instanceof Tag) {
token = tokens.shift();
tokenIndex++;
if (token === void 0) {
throw "was expecting something to follow a tag at line " + tokenLines[tokenIndex];
}
tagged = new typeClasses.Tagged(handledToken, read_ahead(token, tokenIndex, handledToken.dn() === ""));
if (handledToken.dn() === "") {
if (tagged.obj() instanceof typeClasses.Set) {
return tagged.obj();
} else {
throw "Exepected a set but did not get one at line " + tokenLines[tokenIndex];
}
}
if (tagged.tag().dn() === "_") {
return new typeClasses.Discard;
}
if (tagActions[tagged.tag().dn()] != null) {
return tagActions[tagged.tag().dn()].action(tagged.obj());
}
return tagged;
} else {
return handledToken;
}
}
};
token1 = tokens.shift();
if (token1 === void 0) {
return void 0;
} else {
result = read_ahead(token1);
if (result instanceof typeClasses.Discard) {
return "";
}
return result;
}
};
parse = function(string) {
return read(lex(string));
};
module.exports = {
Char: Char,
char: char,
Iterable: Iterable,
Symbol: Symbol,
sym: sym,
Keyword: Keyword,
kw: kw,
BigInt: BigInt,
bigInt: bigInt,
List: List,
Vector: Vector,
Pair: Pair,
Map: Map,
Set: Set,
Tag: Tag,
Tagged: Tagged,
setTypeClass: function(typeName, klass) {
if (typeClasses[typeName] != null) {
module.exports[typeName] = klass;
return typeClasses[typeName] = klass;
}
},
setTagAction: function(tag, action) {
return tagActions[tag.dn()] = {
tag: tag,
action: action
};
},
setTokenHandler: function(handler, pattern, action) {
return tokenHandlers[handler] = {
pattern: pattern,
action: action
};
},
setTokenPattern: function(handler, pattern) {
return tokenHandlers[handler].pattern = pattern;
},
setTokenAction: function(handler, action) {
return tokenHandlers[handler].action = action;
},
setEncodeHandler: function(handler, test, action) {
return encodeHandlers[handler] = {
test: test,
action: action
};
},
setEncodeTest: function(type, test) {
return encodeHandlers[type].test = test;
},
setEncodeAction: function(type, action) {
return encodeHandlers[type].action = action;
},
parse: parse,
encode: encode,
encodeJson: encodeJson,
toJS: function(obj) {
if ((obj != null ? obj.jsEncode : void 0) != null) {
return obj.jsEncode();
} else {
return obj;
}
},
atPath: require("./atPath"),
unify: require("./unify")(parse),
compile: require("./compile")
};
if (typeof window === "undefined") {
fs = require("fs");
module.exports.readFile = function(file, cb) {
return fs.readFile(file, "utf-8", function(err, data) {
if (err) {
throw err;
}
return cb(parse(data));
});
};
module.exports.readFileSync = function(file) {
return parse(fs.readFileSync(file, "utf-8"));
};
}
}).call(this);