move(parser): appease the History God

1 files changed, 0 insertions, 739 deletions

diff --git a/src/parser.js b/src/parser.js
deleted file mode 100644
index 41fff7d5..00000000
--- a/src/parser.js
+++ /dev/null
@@ -1,739 +0,0 @@
-'use strict';
-
-var OPERATORS = {
-    'null':function(self){return null;},
-    'true':function(self){return true;},
-    'false':function(self){return false;},
-    $undefined:noop,
-    '+':function(self, a,b){a=a(self); b=b(self); return (isDefined(a)?a:0)+(isDefined(b)?b:0);},
-    '-':function(self, a,b){a=a(self); b=b(self); return (isDefined(a)?a:0)-(isDefined(b)?b:0);},
-    '*':function(self, a,b){return a(self)*b(self);},
-    '/':function(self, a,b){return a(self)/b(self);},
-    '%':function(self, a,b){return a(self)%b(self);},
-    '^':function(self, a,b){return a(self)^b(self);},
-    '=':noop,
-    '==':function(self, a,b){return a(self)==b(self);},
-    '!=':function(self, a,b){return a(self)!=b(self);},
-    '<':function(self, a,b){return a(self)<b(self);},
-    '>':function(self, a,b){return a(self)>b(self);},
-    '<=':function(self, a,b){return a(self)<=b(self);},
-    '>=':function(self, a,b){return a(self)>=b(self);},
-    '&&':function(self, a,b){return a(self)&&b(self);},
-    '||':function(self, a,b){return a(self)||b(self);},
-    '&':function(self, a,b){return a(self)&b(self);},
-//    '|':function(self, a,b){return a|b;},
-    '|':function(self, a,b){return b(self)(self, a(self));},
-    '!':function(self, a){return !a(self);}
-};
-var ESCAPE = {"n":"\n", "f":"\f", "r":"\r", "t":"\t", "v":"\v", "'":"'", '"':'"'};
-
-function lex(text, parseStringsForObjects){
-  var dateParseLength = parseStringsForObjects ? DATE_ISOSTRING_LN : -1,
-      tokens = [],
-      token,
-      index = 0,
-      json = [],
-      ch,
-      lastCh = ':'; // can start regexp
-
-  while (index < text.length) {
-    ch = text.charAt(index);
-    if (is('"\'')) {
-      readString(ch);
-    } else if (isNumber(ch) || is('.') && isNumber(peek())) {
-      readNumber();
-    } else if (isIdent(ch)) {
-      readIdent();
-      // identifiers can only be if the preceding char was a { or ,
-      if (was('{,') && json[0]=='{' &&
-         (token=tokens[tokens.length-1])) {
-        token.json = token.text.indexOf('.') == -1;
-      }
-    } else if (is('(){}[].,;:')) {
-      tokens.push({
-        index:index,
-        text:ch,
-        json:(was(':[,') && is('{[')) || is('}]:,')
-      });
-      if (is('{[')) json.unshift(ch);
-      if (is('}]')) json.shift();
-      index++;
-    } else if (isWhitespace(ch)) {
-      index++;
-      continue;
-    } else {
-      var ch2 = ch + peek(),
-          fn = OPERATORS[ch],
-          fn2 = OPERATORS[ch2];
-      if (fn2) {
-        tokens.push({index:index, text:ch2, fn:fn2});
-        index += 2;
-      } else if (fn) {
-        tokens.push({index:index, text:ch, fn:fn, json: was('[,:') && is('+-')});
-        index += 1;
-      } else {
-        throwError("Unexpected next character ", index, index+1);
-      }
-    }
-    lastCh = ch;
-  }
-  return tokens;
-
-  function is(chars) {
-    return chars.indexOf(ch) != -1;
-  }
-
-  function was(chars) {
-    return chars.indexOf(lastCh) != -1;
-  }
-
-  function peek() {
-    return index + 1 < text.length ? text.charAt(index + 1) : false;
-  }
-  function isNumber(ch) {
-    return '0' <= ch && ch <= '9';
-  }
-  function isWhitespace(ch) {
-    return ch == ' ' || ch == '\r' || ch == '\t' ||
-           ch == '\n' || ch == '\v' || ch == '\u00A0'; // IE treats non-breaking space as \u00A0
-  }
-  function isIdent(ch) {
-    return 'a' <= ch && ch <= 'z' ||
-           'A' <= ch && ch <= 'Z' ||
-           '_' == ch || ch == '$';
-  }
-  function isExpOperator(ch) {
-    return ch == '-' || ch == '+' || isNumber(ch);
-  }
-
-  function throwError(error, start, end) {
-    end = end || index;
-    throw Error("Lexer Error: " + error + " at column" +
-        (isDefined(start)
-            ? "s " + start +  "-" + index + " [" + text.substring(start, end) + "]"
-            : " " + end) +
-        " in expression [" + text + "].");
-  }
-
-  function readNumber() {
-    var number = "";
-    var start = index;
-    while (index < text.length) {
-      var ch = lowercase(text.charAt(index));
-      if (ch == '.' || isNumber(ch)) {
-        number += ch;
-      } else {
-        var peekCh = peek();
-        if (ch == 'e' && isExpOperator(peekCh)) {
-          number += ch;
-        } else if (isExpOperator(ch) &&
-            peekCh && isNumber(peekCh) &&
-            number.charAt(number.length - 1) == 'e') {
-          number += ch;
-        } else if (isExpOperator(ch) &&
-            (!peekCh || !isNumber(peekCh)) &&
-            number.charAt(number.length - 1) == 'e') {
-          throwError('Invalid exponent');
-        } else {
-          break;
-        }
-      }
-      index++;
-    }
-    number = 1 * number;
-    tokens.push({index:start, text:number, json:true,
-      fn:function() {return number;}});
-  }
-  function readIdent() {
-    var ident = "";
-    var start = index;
-    var fn;
-    while (index < text.length) {
-      var ch = text.charAt(index);
-      if (ch == '.' || isIdent(ch) || isNumber(ch)) {
-        ident += ch;
-      } else {
-        break;
-      }
-      index++;
-    }
-    fn = OPERATORS[ident];
-    tokens.push({
-      index:start,
-      text:ident,
-      json: fn,
-      fn:fn||extend(getterFn(ident), {
-        assign:function(self, value){
-          return setter(self, ident, value);
-        }
-      })
-    });
-  }
-
-  function readString(quote) {
-    var start = index;
-    index++;
-    var string = "";
-    var rawString = quote;
-    var escape = false;
-    while (index < text.length) {
-      var ch = text.charAt(index);
-      rawString += ch;
-      if (escape) {
-        if (ch == 'u') {
-          var hex = text.substring(index + 1, index + 5);
-          if (!hex.match(/[\da-f]{4}/i))
-            throwError( "Invalid unicode escape [\\u" + hex + "]");
-          index += 4;
-          string += String.fromCharCode(parseInt(hex, 16));
-        } else {
-          var rep = ESCAPE[ch];
-          if (rep) {
-            string += rep;
-          } else {
-            string += ch;
-          }
-        }
-        escape = false;
-      } else if (ch == '\\') {
-        escape = true;
-      } else if (ch == quote) {
-        index++;
-        tokens.push({index:start, text:rawString, string:string, json:true,
-          fn:function() {
-            return (string.length == dateParseLength)
-              ? angular['String']['toDate'](string)
-              : string;
-          }});
-        return;
-      } else {
-        string += ch;
-      }
-      index++;
-    }
-    throwError("Unterminated quote", start);
-  }
-}
-
-/////////////////////////////////////////
-
-function parser(text, json){
-  var ZERO = valueFn(0),
-      tokens = lex(text, json),
-      assignment = _assignment,
-      assignable = logicalOR,
-      functionCall = _functionCall,
-      fieldAccess = _fieldAccess,
-      objectIndex = _objectIndex,
-      filterChain = _filterChain,
-      functionIdent = _functionIdent,
-      pipeFunction = _pipeFunction;
-  if(json){
-    // The extra level of aliasing is here, just in case the lexer misses something, so that
-    // we prevent any accidental execution in JSON.
-    assignment = logicalOR;
-    functionCall =
-      fieldAccess =
-      objectIndex =
-      assignable =
-      filterChain =
-      functionIdent =
-      pipeFunction =
-        function() { throwError("is not valid json", {text:text, index:0}); };
-  }
-  //TODO: Shouldn't all of the public methods have assertAllConsumed?
-  //TODO: I think these should be public as part of the parser api instead of scope.$eval().
-  return {
-      assignable: assertConsumed(assignable),
-      primary: assertConsumed(primary),
-      statements: assertConsumed(statements)
-  };
-
-  function assertConsumed(fn) {
-    return function() {
-      var value = fn();
-      if (tokens.length !== 0) {
-        throwError("is an unexpected token", tokens[0]);
-      }
-      return value;
-    };
-  }
-
-  ///////////////////////////////////
-  function throwError(msg, token) {
-    throw Error("Syntax Error: Token '" + token.text +
-      "' " + msg + " at column " +
-      (token.index + 1) + " of the expression [" +
-      text + "] starting at [" + text.substring(token.index) + "].");
-  }
-
-  function peekToken() {
-    if (tokens.length === 0)
-      throw Error("Unexpected end of expression: " + text);
-    return tokens[0];
-  }
-
-  function peek(e1, e2, e3, e4) {
-    if (tokens.length > 0) {
-      var token = tokens[0];
-      var t = token.text;
-      if (t==e1 || t==e2 || t==e3 || t==e4 ||
-          (!e1 && !e2 && !e3 && !e4)) {
-        return token;
-      }
-    }
-    return false;
-  }
-
-  function expect(e1, e2, e3, e4){
-    var token = peek(e1, e2, e3, e4);
-    if (token) {
-      if (json && !token.json) {
-        throwError("is not valid json", token);
-      }
-      tokens.shift();
-      return token;
-    }
-    return false;
-  }
-
-  function consume(e1){
-    if (!expect(e1)) {
-      throwError("is unexpected, expecting [" + e1 + "]", peek());
-    }
-  }
-
-  function unaryFn(fn, right) {
-    return function(self) {
-      return fn(self, right);
-    };
-  }
-
-  function binaryFn(left, fn, right) {
-    return function(self) {
-      return fn(self, left, right);
-    };
-  }
-
-  function hasTokens () {
-    return tokens.length > 0;
-  }
-
-  function statements() {
-    var statements = [];
-    while(true) {
-      if (tokens.length > 0 && !peek('}', ')', ';', ']'))
-        statements.push(filterChain());
-      if (!expect(';')) {
-        // optimize for the common case where there is only one statement.
-        // TODO(size): maybe we should not support multiple statements?
-        return statements.length == 1
-          ? statements[0]
-          : function(self){
-            var value;
-            for ( var i = 0; i < statements.length; i++) {
-              var statement = statements[i];
-              if (statement)
-                value = statement(self);
-            }
-            return value;
-          };
-      }
-    }
-  }
-
-  function _filterChain() {
-    var left = expression();
-    var token;
-    while(true) {
-      if ((token = expect('|'))) {
-        left = binaryFn(left, token.fn, filter());
-      } else {
-        return left;
-      }
-    }
-  }
-
-  function filter() {
-    return pipeFunction(angularFilter);
-  }
-
-  function _pipeFunction(fnScope){
-    var fn = functionIdent(fnScope);
-    var argsFn = [];
-    var token;
-    while(true) {
-      if ((token = expect(':'))) {
-        argsFn.push(expression());
-      } else {
-        var fnInvoke = function(self, input){
-          var args = [input];
-          for ( var i = 0; i < argsFn.length; i++) {
-            args.push(argsFn[i](self));
-          }
-          return fn.apply(self, args);
-        };
-        return function() {
-          return fnInvoke;
-        };
-      }
-    }
-  }
-
-  function expression() {
-    return assignment();
-  }
-
-  function _assignment() {
-    var left = logicalOR();
-    var right;
-    var token;
-    if ((token = expect('='))) {
-      if (!left.assign) {
-        throwError("implies assignment but [" +
-          text.substring(0, token.index) + "] can not be assigned to", token);
-      }
-      right = logicalOR();
-      return function(self){
-        return left.assign(self, right(self));
-      };
-    } else {
-      return left;
-    }
-  }
-
-  function logicalOR() {
-    var left = logicalAND();
-    var token;
-    while(true) {
-      if ((token = expect('||'))) {
-        left = binaryFn(left, token.fn, logicalAND());
-      } else {
-        return left;
-      }
-    }
-  }
-
-  function logicalAND() {
-    var left = equality();
-    var token;
-    if ((token = expect('&&'))) {
-      left = binaryFn(left, token.fn, logicalAND());
-    }
-    return left;
-  }
-
-  function equality() {
-    var left = relational();
-    var token;
-    if ((token = expect('==','!='))) {
-      left = binaryFn(left, token.fn, equality());
-    }
-    return left;
-  }
-
-  function relational() {
-    var left = additive();
-    var token;
-    if ((token = expect('<', '>', '<=', '>='))) {
-      left = binaryFn(left, token.fn, relational());
-    }
-    return left;
-  }
-
-  function additive() {
-    var left = multiplicative();
-    var token;
-    while ((token = expect('+','-'))) {
-      left = binaryFn(left, token.fn, multiplicative());
-    }
-    return left;
-  }
-
-  function multiplicative() {
-    var left = unary();
-    var token;
-    while ((token = expect('*','/','%'))) {
-      left = binaryFn(left, token.fn, unary());
-    }
-    return left;
-  }
-
-  function unary() {
-    var token;
-    if (expect('+')) {
-      return primary();
-    } else if ((token = expect('-'))) {
-      return binaryFn(ZERO, token.fn, unary());
-    } else if ((token = expect('!'))) {
-      return unaryFn(token.fn, unary());
-    } else {
-      return primary();
-    }
-  }
-
-  function _functionIdent(fnScope) {
-    var token = expect();
-    var element = token.text.split('.');
-    var instance = fnScope;
-    var key;
-    for ( var i = 0; i < element.length; i++) {
-      key = element[i];
-      if (instance)
-        instance = instance[key];
-    }
-    if (!isFunction(instance)) {
-      throwError("should be a function", token);
-    }
-    return instance;
-  }
-
-  function primary() {
-    var primary;
-    if (expect('(')) {
-      var expression = filterChain();
-      consume(')');
-      primary = expression;
-    } else if (expect('[')) {
-      primary = arrayDeclaration();
-    } else if (expect('{')) {
-      primary = object();
-    } else {
-      var token = expect();
-      primary = token.fn;
-      if (!primary) {
-        throwError("not a primary expression", token);
-      }
-    }
-    var next;
-    while ((next = expect('(', '[', '.'))) {
-      if (next.text === '(') {
-        primary = functionCall(primary);
-      } else if (next.text === '[') {
-        primary = objectIndex(primary);
-      } else if (next.text === '.') {
-        primary = fieldAccess(primary);
-      } else {
-        throwError("IMPOSSIBLE");
-      }
-    }
-    return primary;
-  }
-
-  function _fieldAccess(object) {
-    var field = expect().text;
-    var getter = getterFn(field);
-    return extend(function(self){
-      return getter(object(self));
-    }, {
-      assign:function(self, value){
-        return setter(object(self), field, value);
-      }
-    });
-  }
-
-  function _objectIndex(obj) {
-    var indexFn = expression();
-    consume(']');
-    return extend(
-      function(self){
-        var o = obj(self);
-        var i = indexFn(self);
-        return (o) ? o[i] : undefined;
-      }, {
-        assign:function(self, value){
-          return obj(self)[indexFn(self)] = value;
-        }
-      });
-  }
-
-  function _functionCall(fn) {
-    var argsFn = [];
-    if (peekToken().text != ')') {
-      do {
-        argsFn.push(expression());
-      } while (expect(','));
-    }
-    consume(')');
-    return function(self){
-      var args = [];
-      for ( var i = 0; i < argsFn.length; i++) {
-        args.push(argsFn[i](self));
-      }
-      var fnPtr = fn(self) || noop;
-      // IE stupidity!
-      return fnPtr.apply
-          ? fnPtr.apply(self, args)
-          : fnPtr(args[0], args[1], args[2], args[3], args[4]);
-    };
-  }
-
-  // This is used with json array declaration
-  function arrayDeclaration () {
-    var elementFns = [];
-    if (peekToken().text != ']') {
-      do {
-        elementFns.push(expression());
-      } while (expect(','));
-    }
-    consume(']');
-    return function(self){
-      var array = [];
-      for ( var i = 0; i < elementFns.length; i++) {
-        array.push(elementFns[i](self));
-      }
-      return array;
-    };
-  }
-
-  function object () {
-    var keyValues = [];
-    if (peekToken().text != '}') {
-      do {
-        var token = expect(),
-        key = token.string || token.text;
-        consume(":");
-        var value = expression();
-        keyValues.push({key:key, value:value});
-      } while (expect(','));
-    }
-    consume('}');
-    return function(self){
-      var object = {};
-      for ( var i = 0; i < keyValues.length; i++) {
-        var keyValue = keyValues[i];
-        var value = keyValue.value(self);
-        object[keyValue.key] = value;
-      }
-      return object;
-    };
-  }
-
-  function watchDecl () {
-    var anchorName = expect().text;
-    consume(":");
-    var expressionFn;
-    if (peekToken().text == '{') {
-      consume("{");
-      expressionFn = statements();
-      consume("}");
-    } else {
-      expressionFn = expression();
-    }
-    return function(self) {
-      return {name:anchorName, fn:expressionFn};
-    };
-  }
-}
-
-//////////////////////////////////////////////////
-// Parser helper functions
-//////////////////////////////////////////////////
-
-function setter(obj, path, setValue) {
-  var element = path.split('.');
-  for (var i = 0; element.length > 1; i++) {
-    var key = element.shift();
-    var propertyObj = obj[key];
-    if (!propertyObj) {
-      propertyObj = {};
-      obj[key] = propertyObj;
-    }
-    obj = propertyObj;
-  }
-  obj[element.shift()] = setValue;
-  return setValue;
-}
-
-/**
- * Return the value accesible from the object by path. Any undefined traversals are ignored
- * @param {Object} obj starting object
- * @param {string} path path to traverse
- * @param {boolean=true} bindFnToScope
- * @returns value as accesbile by path
- */
-function getter(obj, path, bindFnToScope) {
-  if (!path) return obj;
-  var keys = path.split('.');
-  var key;
-  var lastInstance = obj;
-  var len = keys.length;
-
-  for (var i = 0; i < len; i++) {
-    key = keys[i];
-    if (obj) {
-      obj = (lastInstance = obj)[key];
-    }
-    if (isUndefined(obj)  && key.charAt(0) == '$') {
-      var type = angularGlobal.typeOf(lastInstance);
-      type = angular[type.charAt(0).toUpperCase()+type.substring(1)];
-      var fn = type ? type[[key.substring(1)]] : _undefined;
-      if (fn) {
-        return obj = bind(lastInstance, fn, lastInstance);
-      }
-    }
-  }
-  if (!bindFnToScope && isFunction(obj)) {
-    return bind(lastInstance, obj);
-  }
-  return obj;
-}
-
-var getterFnCache = {},
-    compileCache = {},
-    JS_KEYWORDS = {};
-
-forEach(
-    ("abstract,boolean,break,byte,case,catch,char,class,const,continue,debugger,default," +
-    "delete,do,double,else,enum,export,extends,false,final,finally,float,for,function,goto," +
-    "if,implements,import,ininstanceof,intinterface,long,native,new,null,package,private," +
-    "protected,public,return,short,static,super,switch,synchronized,this,throw,throws," +
-    "transient,true,try,typeof,var,volatile,void,undefined,while,with").split(/,/),
-  function(key){ JS_KEYWORDS[key] = true;}
-);
-
-function getterFn(path) {
-  var fn = getterFnCache[path];
-  if (fn) return fn;
-
-  var code = 'var l, fn, t;\n';
-  forEach(path.split('.'), function(key) {
-    key = (JS_KEYWORDS[key]) ? '["' + key + '"]' : '.' + key;
-    code += 'if(!s) return s;\n' +
-            'l=s;\n' +
-            's=s' + key + ';\n' +
-            'if(typeof s=="function" && !(s instanceof RegExp)) {\n' +
-              ' fn=function(){ return l' + key + '.apply(l, arguments); };\n' +
-              ' fn.$unboundFn=s;\n' +
-              ' s=fn;\n' +
-            '}\n';
-    if (key.charAt(1) == '$') {
-      // special code for super-imposed functions
-      var name = key.substr(2);
-      code += 'if(!s) {\n' +
-              ' t = angular.Global.typeOf(l);\n' +
-              ' fn = (angular[t.charAt(0).toUpperCase() + t.substring(1)]||{})["' + name + '"];\n' +
-              ' if (fn) ' +
-                 's = function(){ return fn.apply(l, [l].concat(Array.prototype.slice.call(arguments, 0))); };\n' +
-              '}\n';
-    }
-  });
-  code += 'return s;';
-  fn = Function('s', code);
-  fn["toString"] = function() { return code; };
-
-  return getterFnCache[path] = fn;
-}
-
-///////////////////////////////////
-
-// TODO(misko): Deprecate? Remove!
-// I think that compilation should be a service.
-function expressionCompile(exp) {
-  if (isFunction(exp)) return exp;
-  var fn = compileCache[exp];
-  if (!fn) {
-    fn = compileCache[exp] =  parser(exp).statements();
-  }
-  return fn;
-}