Fix some jslint warnings.

pdf.js

@@ -276,11 +276,11 @@ var FakeStream = (function() {
   };
 
   constructor.prototype.getBytes = function(length) {
-    var pos = this.pos;
+    var end, pos = this.pos;
 
     if (length) {
       this.ensureBuffer(pos + length);
-      var end = pos + length;
+      end = pos + length;
 
       while (!this.eof && this.bufferLength < end)
         this.readBlock();
@@ -290,7 +290,7 @@ var FakeStream = (function() {
         end = bufEnd;
     } else {
       this.eof = true;
-      var end = this.bufferLength;
+      end = this.bufferLength;
     }
 
     this.pos = end;
@@ -2056,7 +2056,7 @@ var CCITTFaxStream = (function() {
   constructor.prototype.eatBits = function(n) {
     if ((this.inputBits -= n) < 0)
       this.inputBits = 0;
-  }
+  };
 
   return constructor;
 })();
@@ -2359,7 +2359,7 @@ var Lexer = (function() {
 
   constructor.isSpace = function(ch) {
     return ch == ' ' || ch == '\t';
-  }
+  };
 
   // A '1' in this array means the character is white space.  A '1' or
   // '2' means the character ends a name or command.
@@ -2432,7 +2432,8 @@ var Lexer = (function() {
       var stream = this.stream;
       var ch;
       do {
-        switch (ch = stream.getChar()) {
+        ch = stream.getChar();
+        switch (ch) {
         case undefined:
           warn('Unterminated string');
           done = true;
@@ -2449,7 +2450,8 @@ var Lexer = (function() {
           }
           break;
         case '\\':
-          switch (ch = stream.getChar()) {
+          ch = stream.getChar();
+          switch (ch) {
           case undefined:
             warn('Unterminated string');
             done = true;
@@ -2802,7 +2804,7 @@ var Parser = (function() {
       if (xref)
         length = xref.fetchIfRef(length);
       if (!IsInt(length)) {
-        error('Bad ' + Length + ' attribute in stream');
+        error('Bad ' + length + ' attribute in stream');
         length = 0;
       }
 
@@ -3160,7 +3162,7 @@ var XRef = (function() {
         if (!IsCmd(obj3, 'obj')) {
           // some bad pdfs use "obj1234" and really mean 1234
           if (obj3.cmd.indexOf('obj') == 0) {
-            var num = parseInt(obj3.cmd.substring(3));
+            num = parseInt(obj3.cmd.substring(3));
             if (!isNaN(num))
               return num;
           }
@@ -3190,7 +3192,7 @@ var XRef = (function() {
       var i, entries = [], nums = [];
       // read the object numbers to populate cache
       for (i = 0; i < n; ++i) {
-        var num = parser.getObj();
+        num = parser.getObj();
         if (!IsInt(num)) {
           error('invalid object number in the ObjStm stream: ' + num);
         }
@@ -4175,7 +4177,7 @@ var PartialEvaluator = (function() {
       return function(gfx) {
         for (var i = 0, length = argsArray.length; i < length; i++)
           gfx[fnArray[i]].apply(gfx, argsArray[i]);
-      }
+      };
     },
 
     translateFont: function(fontDict, xref, resources) {
@@ -5221,7 +5223,7 @@ var CanvasGraphics = (function() {
 })();
 
 var Util = (function() {
-  function constructor() {};
+  function constructor() {}
   constructor.makeCssRgb = function makergb(r, g, b) {
     var ri = (255 * r) | 0, gi = (255 * g) | 0, bi = (255 * b) | 0;
     return 'rgb(' + ri + ',' + gi + ',' + bi + ')';
@@ -5244,7 +5246,7 @@ var ColorSpace = (function() {
   // Constructor should define this.numComps, this.defaultColor, this.name
   function constructor() {
     error('should not call ColorSpace constructor');
-  };
+  }
 
   constructor.prototype = {
     // Input: array of size numComps representing color component values
@@ -5279,18 +5281,14 @@ var ColorSpace = (function() {
       case 'DeviceGray':
       case 'G':
         return new DeviceGrayCS();
-        break;
       case 'DeviceRGB':
       case 'RGB':
         return new DeviceRgbCS();
-        break;
       case 'DeviceCMYK':
       case 'CMYK':
         return new DeviceCmykCS();
-        break;
       case 'Pattern':
         return new PatternCS(null);
-        break;
       default:
         error('unrecognized colorspace ' + mode);
       }
@@ -5302,30 +5300,25 @@ var ColorSpace = (function() {
       case 'DeviceGray':
       case 'G':
         return new DeviceGrayCS();
-        break;
       case 'DeviceRGB':
       case 'RGB':
         return new DeviceRgbCS();
-        break;
       case 'DeviceCMYK':
       case 'CMYK':
         return new DeviceCmykCS();
-        break;
       case 'CalGray':
         return new DeviceGrayCS();
-        break;
       case 'CalRGB':
         return new DeviceRgbCS();
-        break;
       case 'ICCBased':
         var stream = xref.fetchIfRef(cs[1]);
         var dict = stream.dict;
         var numComps = dict.get('N');
         if (numComps == 1)
           return new DeviceGrayCS();
-        else if (numComps == 3)
+        if (numComps == 3)
           return new DeviceRgbCS();
-        else if (numComps == 4)
+        if (numComps == 4)
           return new DeviceCmykCS();
         break;
       case 'Pattern':
@@ -5333,19 +5326,16 @@ var ColorSpace = (function() {
         if (baseCS)
           baseCS = ColorSpace.parse(baseCS, xref, res);
         return new PatternCS(baseCS);
-        break;
       case 'Indexed':
         var base = ColorSpace.parse(cs[1], xref, res);
         var hiVal = cs[2] + 1;
         var lookup = xref.fetchIfRef(cs[3]);
         return new IndexedCS(base, hiVal, lookup);
-        break;
       case 'Separation':
         var name = cs[1];
         var alt = ColorSpace.parse(cs[2], xref, res);
         var tintFn = new PDFFunction(xref, xref.fetchIfRef(cs[3]));
         return new SeparationCS(alt, tintFn);
-        break;
       case 'Lab':
       case 'DeviceN':
       default:
@@ -5435,7 +5425,7 @@ var IndexedCS = (function() {
 
   constructor.prototype = {
     getRgb: function indexcs_getRgb(color) {
-      var numComps = base.numComps;
+      var numComps = this.base.numComps;
 
       var start = color[0] * numComps;
       var c = [];
@@ -5471,7 +5461,7 @@ var DeviceGrayCS = (function() {
     this.name = 'DeviceGray';
     this.numComps = 1;
     this.defaultColor = [0];
-  };
+  }
 
   constructor.prototype = {
     getRgb: function graycs_getRgb(color) {
@@ -5606,7 +5596,7 @@ var Pattern = (function() {
   // Constructor should define this.getPattern
   function constructor() {
     error('should not call Pattern constructor');
-  };
+  }
 
   constructor.prototype = {
     // Input: current Canvas context
@@ -5670,14 +5660,14 @@ var Pattern = (function() {
     default:
       return new DummyShading();
     }
-  }
+  };
   return constructor;
 })();
 
 var DummyShading = (function() {
   function constructor() {
     this.type = 'Pattern';
-  };
+  }
   constructor.prototype = {
     getPattern: function dummy_getpattern() {
       return 'hotpink';
@@ -5707,13 +5697,15 @@ var RadialAxialShading = (function() {
     var t0 = 0.0, t1 = 1.0;
     if (dict.has('Domain')) {
       var domainArr = dict.get('Domain');
-      t0 = domainArr[0], t1 = domainArr[1];
+      t0 = domainArr[0];
+      t1 = domainArr[1];
     }
 
     var extendStart = false, extendEnd = false;
     if (dict.has('Extend')) {
       var extendArr = dict.get('Extend');
-      extendStart = extendArr[0], extendEnd = extendArr[1];
+      extendStart = extendArr[0];
+      extendEnd = extendArr[1];
       TODO('Support extend');
     }
 
@@ -5742,7 +5734,7 @@ var RadialAxialShading = (function() {
     }
 
     this.colorStops = colorStops;
-  };
+  }
 
   constructor.prototype = {
     getPattern: function() {
@@ -5807,7 +5799,7 @@ var TilingPattern = (function() {
         var e = m[4] * tm[0] + m[5] * tm[2] + tm[4];
         var f = m[4] * tm[1] + m[5] * tm[3] + tm[5];
         return [a, b, c, d, e, f];
-      };
+      }
 
       TODO('TilingType');
 
@@ -5879,7 +5871,7 @@ var TilingPattern = (function() {
       graphics.execute(code, xref, res);
 
       this.canvas = tmpCanvas;
-  };
+  }
 
   constructor.prototype = {
     getPattern: function tiling_getPattern() {
@@ -5958,7 +5950,7 @@ var PDFImage = (function() {
     } else if (smask) {
       this.smask = new PDFImage(xref, res, smask);
     }
-  };
+  }
 
   constructor.prototype = {
     getComponents: function getComponents(buffer, decodeMap) {
@@ -6133,7 +6125,7 @@ var PDFFunction = (function() {
       error('Unknown type of function');
 
     typeFn.call(this, fn, dict, xref);
-  };
+  }
 
   constructor.prototype = {
     constructSampled: function(str, dict) {
@@ -6179,7 +6171,7 @@ var PDFFunction = (function() {
           else if (v < min)
             v = min;
           return v;
-        }
+        };
 
         if (inputSize != args.length)
           error('Incorrect number of arguments: ' + inputSize + ' != ' +
@@ -6229,7 +6221,7 @@ var PDFFunction = (function() {
         }
 
         return output;
-      }
+      };
     },
     getSampleArray: function(size, outputSize, bps, str) {
       var length = 1;
@@ -6277,7 +6269,7 @@ var PDFFunction = (function() {
           out.push(c0[j] + (x^n * diff[i]));
 
         return out;
-      }
+      };
     },
     constructStiched: function(fn, dict, xref) {
       var domain = dict.get('Domain');
@@ -6305,7 +6297,7 @@ var PDFFunction = (function() {
           else if (v < min)
             v = min;
           return v;
-        }
+        };
 
         // clip to domain
         var v = clip(args[0], domain[0], domain[1]);
@@ -6330,11 +6322,13 @@ var PDFFunction = (function() {
 
         // call the appropropriate function
         return fns[i].func([v2]);
-      }
+      };
     },
     constructPostScript: function() {
       TODO('unhandled type of function');
-      this.func = function() { return [255, 105, 180]; }
+      this.func = function() {
+        return [255, 105, 180];
+      };
     }
   };