269 lines
16 KiB
Plaintext
269 lines
16 KiB
Plaintext
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/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// Generate js file as follows:
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//
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// re2c -isc WebCore/inspector/front-end/SourceCSSTokenizer.re2js \
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// | sed 's|^yy\([^:]*\)*\:|case \1:|' \
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// | sed 's|[*]cursor[+][+]|this._charAt(cursor++)|' \
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// | sed 's|[[*][+][+]cursor|this._charAt(++cursor)|' \
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// | sed 's|[*]cursor|this._charAt(cursor)|' \
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// | sed 's|yych = \*\([^;]*\)|yych = this._charAt\1|' \
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// | sed 's|goto case \([^;]*\)|{ gotoCase = \1; continue; }|' \
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// | sed 's|unsigned\ int|var|' \
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// | sed 's|var\ yych|case 1: var yych|'
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WebInspector.SourceCSSTokenizer = function()
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{
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WebInspector.SourceTokenizer.call(this);
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this._propertyKeywords = WebInspector.cssNameCompletions.keySet();
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this._valueKeywords = [
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"above", "absolute", "activeborder", "activecaption", "afar", "after-white-space", "ahead", "alias", "all", "all-scroll",
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"alternate", "always","amharic", "amharic-abegede", "antialiased", "appworkspace", "aqua", "arabic-indic", "armenian", "asterisks",
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"auto", "avoid", "background", "backwards", "baseline", "below", "bidi-override", "binary", "bengali", "black", "blink",
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"block", "block-axis", "blue", "bold", "bolder", "border", "border-box", "both", "bottom", "break-all", "break-word", "button",
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"button-bevel", "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian", "capitalize", "caps-lock-indicator",
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"caption", "captiontext", "caret", "cell", "center", "checkbox", "circle", "cjk-earthly-branch", "cjk-heavenly-stem", "cjk-ideographic",
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"clear", "clip", "close-quote", "col-resize", "collapse", "compact", "condensed", "contain", "content", "content-box", "context-menu",
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"continuous", "copy", "cover", "crop", "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal", "decimal-leading-zero", "default",
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"default-button", "destination-atop", "destination-in", "destination-out", "destination-over", "devanagari", "disc", "discard", "document",
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"dot-dash", "dot-dot-dash", "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out", "element",
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"ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede", "ethiopic-abegede-am-et", "ethiopic-abegede-gez",
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"ethiopic-abegede-ti-er", "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er", "ethiopic-halehame-aa-et",
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"ethiopic-halehame-am-et", "ethiopic-halehame-gez", "ethiopic-halehame-om-et", "ethiopic-halehame-sid-et",
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"ethiopic-halehame-so-et", "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig", "ew-resize", "expanded",
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"extra-condensed", "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "footnotes", "forwards", "from", "fuchsia", "geometricPrecision",
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"georgian", "gray", "graytext", "green", "grey", "groove", "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew", "help",
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"hidden", "hide", "higher", "highlight", "highlighttext", "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
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"inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite", "infobackground", "infotext", "inherit", "initial", "inline",
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"inline-axis", "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert", "italic", "justify", "kannada", "katakana",
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"katakana-iroha", "khmer", "landscape", "lao", "large", "larger", "left", "level", "lighter", "lime", "line-through", "linear", "lines",
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"list-button", "list-item", "listbox", "listitem", "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian", "lower-greek",
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"lower-hexadecimal", "lower-latin", "lower-norwegian", "lower-roman", "lowercase", "ltr", "malayalam", "maroon", "match", "media-controls-background",
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"media-current-time-display", "media-fullscreen-button", "media-mute-button", "media-play-button", "media-return-to-realtime-button",
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"media-rewind-button", "media-seek-back-button", "media-seek-forward-button", "media-slider", "media-sliderthumb", "media-time-remaining-display",
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"media-volume-slider", "media-volume-slider-container", "media-volume-sliderthumb", "medium", "menu", "menulist", "menulist-button",
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"menulist-text", "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic", "mix", "mongolian", "monospace", "move", "multiple",
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"myanmar", "n-resize", "narrower", "navy", "ne-resize", "nesw-resize", "no-close-quote", "no-drop", "no-open-quote", "no-repeat", "none",
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"normal", "not-allowed", "nowrap", "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "olive", "open-quote", "optimizeLegibility",
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"optimizeSpeed", "orange", "oriya", "oromo", "outset", "outside", "overlay", "overline", "padding", "padding-box", "painted", "paused",
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"persian", "plus-darker", "plus-lighter", "pointer", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "purple",
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"push-button", "radio", "read-only", "read-write", "read-write-plaintext-only", "red", "relative", "repeat", "repeat-x",
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"repeat-y", "reset", "reverse", "rgb", "rgba", "ridge", "right", "round", "row-resize", "rtl", "run-in", "running", "s-resize", "sans-serif",
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"scroll", "scrollbar", "se-resize", "searchfield", "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
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"searchfield-results-decoration", "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama", "silver", "single",
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"skip-white-space", "slide", "slider-horizontal", "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
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"small", "small-caps", "small-caption", "smaller", "solid", "somali", "source-atop", "source-in", "source-out", "source-over",
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"space", "square", "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub", "subpixel-antialiased", "super",
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"sw-resize", "table", "table-caption", "table-cell", "table-column", "table-column-group", "table-footer-group", "table-header-group",
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"table-row", "table-row-group", "teal", "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai", "thick", "thin",
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"threeddarkshadow", "threedface", "threedhighlight", "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er", "tigrinya-er-abegede",
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"tigrinya-et", "tigrinya-et-abegede", "to", "top", "transparent", "ultra-condensed", "ultra-expanded", "underline", "up", "upper-alpha", "upper-armenian",
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"upper-greek", "upper-hexadecimal", "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url", "vertical", "vertical-text", "visible",
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"visibleFill", "visiblePainted", "visibleStroke", "visual", "w-resize", "wait", "wave", "white", "wider", "window", "windowframe", "windowtext",
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"x-large", "x-small", "xor", "xx-large", "xx-small", "yellow", "-wap-marquee", "-webkit-activelink", "-webkit-auto", "-webkit-baseline-middle",
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"-webkit-body", "-webkit-box", "-webkit-center", "-webkit-control", "-webkit-focus-ring-color", "-webkit-grab", "-webkit-grabbing",
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"-webkit-gradient", "-webkit-inline-box", "-webkit-left", "-webkit-link", "-webkit-marquee", "-webkit-mini-control", "-webkit-nowrap", "-webkit-right",
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"-webkit-small-control", "-webkit-text", "-webkit-xxx-large", "-webkit-zoom-in", "-webkit-zoom-out",
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].keySet();
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this._mediaTypes = ["all", "aural", "braille", "embossed", "handheld", "import", "print", "projection", "screen", "tty", "tv"].keySet();
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this._lexConditions = {
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INITIAL: 0,
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COMMENT: 1,
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DSTRING: 2,
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SSTRING: 3
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};
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this._parseConditions = {
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INITIAL: 0,
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PROPERTY: 1,
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PROPERTY_VALUE: 2,
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AT_RULE: 3
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};
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this.case_INITIAL = 1000;
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this.case_COMMENT = 1002;
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this.case_DSTRING = 1003;
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this.case_SSTRING = 1004;
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this.initialCondition = { lexCondition: this._lexConditions.INITIAL, parseCondition: this._parseConditions.INITIAL }
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}
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WebInspector.SourceCSSTokenizer.prototype = {
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_stringToken: function(cursor, stringEnds)
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{
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if (this._isPropertyValue())
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this.tokenType = "css-string";
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else
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this.tokenType = null;
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return cursor;
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},
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_isPropertyValue: function()
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{
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return this._condition.parseCondition === this._parseConditions.PROPERTY_VALUE || this._condition.parseCondition === this._parseConditions.AT_RULE;
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},
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nextToken: function(cursor)
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{
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var cursorOnEnter = cursor;
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var gotoCase = 1;
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while (1) {
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switch (gotoCase)
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// Following comment is replaced with generated state machine.
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/*!re2c
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re2c:define:YYCTYPE = "var";
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re2c:define:YYCURSOR = cursor;
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re2c:define:YYGETCONDITION = "this.getLexCondition";
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re2c:define:YYSETCONDITION = "this.setLexCondition";
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re2c:condprefix = "case this.case_";
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re2c:condenumprefix = "this._lexConditions.";
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re2c:yyfill:enable = 0;
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re2c:labelprefix = "case ";
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re2c:indent:top = 2;
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re2c:indent:string = " ";
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CommentContent = ([^*\r\n] | ("*"+[^/*]))*;
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Comment = "/*" CommentContent "*"+ "/";
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CommentStart = "/*" CommentContent [\r\n];
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CommentEnd = CommentContent "*"+ "/";
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OpenCurlyBracket = "{";
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CloseCurlyBracket = "}";
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Colon = ":";
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Semicolon = ";";
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NumericLiteral = "-"? ([0-9]+ | [0-9]* "." [0-9]+) ("em" | "rem" | "__qem" | "ex" | "px" | "cm" |
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"mm" | "in" | "pt" | "pc" | "deg" | "rad" | "grad" | "turn" | "ms" | "s" | "Hz" | "kHz" | "%")?;
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Identifier = [@!_\-$0-9a-zA-Z\[\]='"/]+;
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DoubleStringContent = ([^\r\n\"\\] | "\\" ['"\\bfnrtv])*;
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SingleStringContent = ([^\r\n\'\\] | "\\" ['"\\bfnrtv])*;
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StringLiteral = "\"" DoubleStringContent "\"" | "'" SingleStringContent "'";
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DoubleStringStart = "\"" DoubleStringContent "\\" [\r\n];
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DoubleStringEnd = DoubleStringContent "\"";
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SingleStringStart = "'" SingleStringContent "\\" [\r\n];
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SingleStringEnd = SingleStringContent "'";
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<INITIAL> Comment { this.tokenType = "css-comment"; return cursor; }
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<INITIAL> CommentStart => COMMENT { this.tokenType = "css-comment"; return cursor; }
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<COMMENT> CommentContent => COMMENT { this.tokenType = "css-comment"; return cursor; }
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<COMMENT> CommentEnd => INITIAL { this.tokenType = "css-comment"; return cursor; }
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<INITIAL> StringLiteral { return this._stringToken(cursor, true); }
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<INITIAL> DoubleStringStart => DSTRING { return this._stringToken(cursor); }
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<DSTRING> DoubleStringContent => DSTRING { return this._stringToken(cursor); }
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<DSTRING> DoubleStringEnd => INITIAL { return this._stringToken(cursor, true); }
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<INITIAL> SingleStringStart => SSTRING { return this._stringToken(cursor); }
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<SSTRING> SingleStringContent => SSTRING { return this._stringToken(cursor); }
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<SSTRING> SingleStringEnd => INITIAL { return this._stringToken(cursor, true); }
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<INITIAL> OpenCurlyBracket
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{
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this.tokenType = null;
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if (this._condition.parseCondition === this._parseConditions.AT_RULE)
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this._condition.parseCondition = this._parseConditions.INITIAL;
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else
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this._condition.parseCondition = this._parseConditions.PROPERTY;
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return cursor;
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}
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<INITIAL> CloseCurlyBracket
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{
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this.tokenType = null;
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this._condition.parseCondition = this._parseConditions.INITIAL;
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return cursor;
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}
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<INITIAL> Colon
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{
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this.tokenType = null;
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if (this._condition.parseCondition === this._parseConditions.PROPERTY)
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this._condition.parseCondition = this._parseConditions.PROPERTY_VALUE;
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return cursor;
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}
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<INITIAL> Semicolon
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{
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this.tokenType = null;
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if (this._condition.parseCondition === this._parseConditions.AT_RULE)
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this._condition.parseCondition = this._parseConditions.INITIAL;
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else
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this._condition.parseCondition = this._parseConditions.PROPERTY;
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return cursor;
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}
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<INITIAL> NumericLiteral
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{
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if (this._isPropertyValue())
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this.tokenType = "css-number";
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else
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this.tokenType = null;
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return cursor;
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}
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<INITIAL> Identifier
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{
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var token = this._line.substring(cursorOnEnter, cursor);
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if (this._condition.parseCondition === this._parseConditions.INITIAL) {
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if (token === "@import" || token === "@media") {
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this.tokenType = "css-at-rule";
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this._condition.parseCondition = this._parseConditions.AT_RULE;
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} else if (token.indexOf("@") === 0)
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this.tokenType = "css-at-rule";
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else
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this.tokenType = "css-selector";
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}
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else if (this._condition.parseCondition === this._parseConditions.AT_RULE && token in this._mediaTypes)
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this.tokenType = "css-keyword";
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else if (this._condition.parseCondition === this._parseConditions.PROPERTY && token in this._propertyKeywords)
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this.tokenType = "css-property";
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else if (this._isPropertyValue() && token in this._valueKeywords)
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this.tokenType = "css-keyword";
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else if (token === "!important")
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this.tokenType = "css-important";
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else
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this.tokenType = null;
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return cursor;
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}
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<*> [^] { this.tokenType = null; return cursor; }
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*/
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}
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}
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}
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WebInspector.SourceCSSTokenizer.prototype.__proto__ = WebInspector.SourceTokenizer.prototype;
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