Fixes some static analysis warnings and recommendations

* Useless conditional
* Superfluous trailing arguments
* Useless assignment to local variable
* Misspelled identifier
* JSDoc tag for non-existent parameter

src/core/cff_parser.js

@@ -331,7 +331,7 @@ var CFFParser = (function CFFParserClosure() {
       function parseOperand() {
         var value = dict[pos++];
         if (value === 30) {
-          return parseFloatOperand(pos);
+          return parseFloatOperand();
         } else if (value === 28) {
           value = dict[pos++];
           value = ((value << 24) | (dict[pos++] << 16)) >> 16;

src/core/crypto.js

@@ -1779,7 +1779,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
       pdfAlgorithm = new PDF17();
     }
 
-    if (pdfAlgorithm) {
     if (pdfAlgorithm.checkUserPassword(password, userValidationSalt,
                                         userPassword)) {
       return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);
@@ -1790,7 +1789,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
       return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes,
                                       ownerEncryption);
     }
-    }
 
     return null;
   }

src/core/fonts.js

@@ -19,33 +19,30 @@
   if (typeof define === 'function' && define.amd) {
     define('pdfjs/core/fonts', ['exports', 'pdfjs/shared/util',
       'pdfjs/core/primitives', 'pdfjs/core/stream', 'pdfjs/core/parser',
-      'pdfjs/core/glyphlist', 'pdfjs/core/charsets',
-      'pdfjs/core/font_renderer', 'pdfjs/core/encodings',
-      'pdfjs/core/standard_fonts', 'pdfjs/core/unicode',
+      'pdfjs/core/glyphlist', 'pdfjs/core/font_renderer',
+      'pdfjs/core/encodings', 'pdfjs/core/standard_fonts', 'pdfjs/core/unicode',
       'pdfjs/core/type1_parser', 'pdfjs/core/cff_parser'], factory);
   } else if (typeof exports !== 'undefined') {
     factory(exports, require('../shared/util.js'), require('./primitives.js'),
-      require('./stream.js'), require('./parser.js'),
-      require('./glyphlist.js'), require('./charsets.js'),
+      require('./stream.js'), require('./parser.js'), require('./glyphlist.js'),
       require('./font_renderer.js'), require('./encodings.js'),
       require('./standard_fonts.js'), require('./unicode.js'),
       require('./type1_parser.js'), require('./cff_parser.js'));
   } else {
     factory((root.pdfjsCoreFonts = {}), root.pdfjsSharedUtil,
       root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser,
-      root.pdfjsCoreGlyphList, root.pdfjsCoreCharsets,
-      root.pdfjsCoreFontRenderer, root.pdfjsCoreEncodings,
-      root.pdfjsCoreStandardFonts, root.pdfjsCoreUnicode,
-      root.pdfjsCoreType1Parser, root.pdfjsCoreCFFParser);
+      root.pdfjsCoreGlyphList, root.pdfjsCoreFontRenderer,
+      root.pdfjsCoreEncodings, root.pdfjsCoreStandardFonts,
+      root.pdfjsCoreUnicode, root.pdfjsCoreType1Parser,
+      root.pdfjsCoreCFFParser);
   }
 }(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser,
-                  coreGlyphList, coreCharsets, coreFontRenderer,
-                  coreEncodings, coreStandardFonts, coreUnicode,
-                  coreType1Parser, coreCFFParser) {
+                  coreGlyphList, coreFontRenderer, coreEncodings,
+                  coreStandardFonts, coreUnicode, coreType1Parser,
+                  coreCFFParser) {
 
 var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
 var FontType = sharedUtil.FontType;
-var Util = sharedUtil.Util;
 var assert = sharedUtil.assert;
 var bytesToString = sharedUtil.bytesToString;
 var error = sharedUtil.error;
@@ -55,7 +52,6 @@ var isInt = sharedUtil.isInt;
 var isNum = sharedUtil.isNum;
 var readUint32 = sharedUtil.readUint32;
 var shadow = sharedUtil.shadow;
-var stringToBytes = sharedUtil.stringToBytes;
 var string32 = sharedUtil.string32;
 var warn = sharedUtil.warn;
 var MissingDataException = sharedUtil.MissingDataException;
@@ -63,16 +59,11 @@ var Stream = coreStream.Stream;
 var Lexer = coreParser.Lexer;
 var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode;
 var getDingbatsGlyphsUnicode = coreGlyphList.getDingbatsGlyphsUnicode;
-var ISOAdobeCharset = coreCharsets.ISOAdobeCharset;
-var ExpertCharset = coreCharsets.ExpertCharset;
-var ExpertSubsetCharset = coreCharsets.ExpertSubsetCharset;
 var FontRendererFactory = coreFontRenderer.FontRendererFactory;
-var WinAnsiEncoding = coreEncodings.WinAnsiEncoding;
 var StandardEncoding = coreEncodings.StandardEncoding;
 var MacRomanEncoding = coreEncodings.MacRomanEncoding;
 var SymbolSetEncoding = coreEncodings.SymbolSetEncoding;
 var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding;
-var ExpertEncoding = coreEncodings.ExpertEncoding;
 var getEncoding = coreEncodings.getEncoding;
 var getStdFontMap = coreStandardFonts.getStdFontMap;
 var getNonStdFontMap = coreStandardFonts.getNonStdFontMap;
@@ -2070,7 +2061,7 @@ var Font = (function FontClosure() {
         }
       }
 
-      function sanitizeTTPrograms(fpgm, prep, cvt) {
+      function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {
         var ttContext = {
           functionsDefined: [],
           functionsUsed: [],
@@ -2827,7 +2818,8 @@ var ErrorFont = (function ErrorFontClosure() {
  * @param {Object} properties Font properties object.
  * @param {Object} builtInEncoding The encoding contained within the actual font
  * data.
- * @param {Array} Array of glyph names where the index is the glyph ID.
+ * @param {Array} glyphNames Array of glyph names where the index is the
+ * glyph ID.
  * @returns {Object} A char code to glyph ID map.
  */
 function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {

src/core/jpx.js

@@ -1259,7 +1259,7 @@ var JpxImage = (function JpxImageClosure() {
       for (j = 0; j < codingpasses; j++) {
         switch (currentCodingpassType) {
           case 0:
-            bitModel.runSignificancePropogationPass();
+            bitModel.runSignificancePropagationPass();
             break;
           case 1:
             bitModel.runMagnitudeRefinementPass();
@@ -1738,8 +1738,8 @@ var JpxImage = (function JpxImageClosure() {
         }
         neighborsSignificance[index] |= 0x80;
       },
-      runSignificancePropogationPass:
-        function BitModel_runSignificancePropogationPass() {
+      runSignificancePropagationPass:
+        function BitModel_runSignificancePropagationPass() {
         var decoder = this.decoder;
         var width = this.width, height = this.height;
         var coefficentsMagnitude = this.coefficentsMagnitude;

src/display/api.js

@@ -810,7 +810,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
             return;
           }
           stats.time('Rendering');
-          internalRenderTask.initalizeGraphics(transparency);
+          internalRenderTask.initializeGraphics(transparency);
           internalRenderTask.operatorListChanged();
         },
         function pageDisplayReadPromiseError(reason) {
@@ -1937,8 +1937,8 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
 
   InternalRenderTask.prototype = {
 
-    initalizeGraphics:
-        function InternalRenderTask_initalizeGraphics(transparency) {
+    initializeGraphics:
+        function InternalRenderTask_initializeGraphics(transparency) {
 
       if (this.cancelled) {
         return;

src/shared/util.js

@@ -1302,7 +1302,7 @@ function createPromiseCapability() {
   /**
    * Builds a promise that is resolved when all the passed in promises are
    * resolved.
-   * @param {array} array of data and/or promises to wait for.
+   * @param {array} promises array of data and/or promises to wait for.
    * @return {Promise} New dependant promise.
    */
   Promise.all = function Promise_all(promises) {

web/pdf_history.js

@@ -38,7 +38,6 @@
   PDFHistory.prototype = {
     /**
      * @param {string} fingerprint
-     * @param {IPDFLinkService} linkService
      */
     initialize: function pdfHistoryInitialize(fingerprint) {
       this.initialized = true;

web/pdf_outline_viewer.js

@@ -135,7 +135,7 @@ var PDFOutlineViewer = (function PDFOutlineViewerClosure() {
      * Toggle the visibility of the subtree of an outline item.
      *
      * @param {Element} root - the root of the outline (sub)tree.
-     * @param {boolean} state - whether to show the outline (sub)tree. If false,
+     * @param {boolean} show - whether to show the outline (sub)tree. If false,
      *   the outline subtree rooted at |root| will be collapsed.
      *
      * @private

web/pdf_thumbnail_viewer.js

@@ -170,7 +170,7 @@ var PDFThumbnailViewer = (function PDFThumbnailViewerClosure() {
     },
 
     /**
-     * @param {PDFPageView} pageView
+     * @param {PDFThumbnailView} thumbView
      * @returns {PDFPage}
      * @private
      */