1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 // Generate js file as follows: 32 // 33 // re2c -isc WebCore/inspector/front-end/SourceCSSTokenizer.re2js \ 34 // | sed 's|^yy\([^:]*\)*\:|case \1:|' \ 35 // | sed 's|[*]cursor[+][+]|this._charAt(cursor++)|' \ 36 // | sed 's|[[*][+][+]cursor|this._charAt(++cursor)|' \ 37 // | sed 's|[*]cursor|this._charAt(cursor)|' \ 38 // | sed 's|yych = \*\([^;]*\)|yych = this._charAt\1|' \ 39 // | sed 's|goto case \([^;]*\)|{ gotoCase = \1; continue; }|' \ 40 // | sed 's|unsigned\ int|var|' \ 41 // | sed 's|var\ yych|case 1: var yych|' 42 43 WebInspector.SourceCSSTokenizer = function() 44 { 45 WebInspector.SourceTokenizer.call(this); 46 47 this._propertyKeywords = [ 48 "background", "background-attachment", "background-clip", "background-color", "background-image", 49 "background-origin", "background-position", "background-position-x", "background-position-y", 50 "background-repeat", "background-repeat-x", "background-repeat-y", "background-size", "border", 51 "border-bottom", "border-bottom-color", "border-bottom-left-radius", "border-bottom-right-radius", 52 "border-bottom-style", "border-bottom-width", "border-collapse", "border-color", "border-left", 53 "border-left-color", "border-left-style", "border-left-width", "border-radius", "border-right", 54 "border-right-color", "border-right-style", "border-right-width", "border-spacing", "border-style", 55 "border-top", "border-top-color", "border-top-left-radius", "border-top-right-radius", "border-top-style", 56 "border-top-width", "border-width", "bottom", "caption-side", "clear", "clip", "color", "content", 57 "counter-increment", "counter-reset", "cursor", "direction", "display", "empty-cells", "float", 58 "font", "font-family", "font-size", "font-stretch", "font-style", "font-variant", "font-weight", 59 "height", "left", "letter-spacing", "line-height", "list-style", "list-style-image", "list-style-position", 60 "list-style-type", "margin", "margin-bottom", "margin-left", "margin-right", "margin-top", "max-height", 61 "max-width", "min-height", "min-width", "opacity", "orphans", "outline", "outline-color", "outline-offset", 62 "outline-style", "outline-width", "overflow", "overflow-x", "overflow-y", "padding", "padding-bottom", 63 "padding-left", "padding-right", "padding-top", "page", "page-break-after", "page-break-before", 64 "page-break-inside", "pointer-events", "position", "quotes", "resize", "right", "size", "src", 65 "table-layout", "text-align", "text-decoration", "text-indent", "text-line-through", "text-line-through-color", 66 "text-line-through-mode", "text-line-through-style", "text-line-through-width", "text-overflow", "text-overline", 67 "text-overline-color", "text-overline-mode", "text-overline-style", "text-overline-width", "text-rendering", 68 "text-shadow", "text-transform", "text-underline", "text-underline-color", "text-underline-mode", 69 "text-underline-style", "text-underline-width", "top", "unicode-bidi", "unicode-range", "vertical-align", 70 "visibility", "white-space", "widows", "width", "word-break", "word-spacing", "word-wrap", "z-index", "zoom", 71 "-webkit-animation", "-webkit-animation-delay", "-webkit-animation-direction", "-webkit-animation-duration", 72 "-webkit-animation-iteration-count", "-webkit-animation-name", "-webkit-animation-play-state", 73 "-webkit-animation-timing-function", "-webkit-appearance", "-webkit-backface-visibility", 74 "-webkit-background-clip", "-webkit-background-composite", "-webkit-background-origin", "-webkit-background-size", 75 "-webkit-binding", "-webkit-border-fit", "-webkit-border-horizontal-spacing", "-webkit-border-image", 76 "-webkit-border-radius", "-webkit-border-vertical-spacing", "-webkit-box-align", "-webkit-box-direction", 77 "-webkit-box-flex", "-webkit-box-flex-group", "-webkit-box-lines", "-webkit-box-ordinal-group", 78 "-webkit-box-orient", "-webkit-box-pack", "-webkit-box-reflect", "-webkit-box-shadow", "-webkit-box-sizing", 79 "-webkit-column-break-after", "-webkit-column-break-before", "-webkit-column-break-inside", "-webkit-column-count", 80 "-webkit-column-gap", "-webkit-column-rule", "-webkit-column-rule-color", "-webkit-column-rule-style", 81 "-webkit-column-rule-width", "-webkit-column-width", "-webkit-columns", "-webkit-font-size-delta", 82 "-webkit-font-smoothing", "-webkit-highlight", "-webkit-line-break", "-webkit-line-clamp", 83 "-webkit-margin-bottom-collapse", "-webkit-margin-collapse", "-webkit-margin-start", "-webkit-margin-top-collapse", 84 "-webkit-marquee", "-webkit-marquee-direction", "-webkit-marquee-increment", "-webkit-marquee-repetition", 85 "-webkit-marquee-speed", "-webkit-marquee-style", "-webkit-mask", "-webkit-mask-attachment", 86 "-webkit-mask-box-image", "-webkit-mask-clip", "-webkit-mask-composite", "-webkit-mask-image", 87 "-webkit-mask-origin", "-webkit-mask-position", "-webkit-mask-position-x", "-webkit-mask-position-y", 88 "-webkit-mask-repeat", "-webkit-mask-repeat-x", "-webkit-mask-repeat-y", "-webkit-mask-size", 89 "-webkit-match-nearest-mail-blockquote-color", "-webkit-nbsp-mode", "-webkit-padding-start", 90 "-webkit-perspective", "-webkit-perspective-origin", "-webkit-perspective-origin-x", "-webkit-perspective-origin-y", 91 "-webkit-rtl-ordering", "-webkit-text-decorations-in-effect", "-webkit-text-fill-color", "-webkit-text-security", 92 "-webkit-text-size-adjust", "-webkit-text-stroke", "-webkit-text-stroke-color", "-webkit-text-stroke-width", 93 "-webkit-transform", "-webkit-transform-origin", "-webkit-transform-origin-x", "-webkit-transform-origin-y", 94 "-webkit-transform-origin-z", "-webkit-transform-style", "-webkit-transition", "-webkit-transition-delay", 95 "-webkit-transition-duration", "-webkit-transition-property", "-webkit-transition-timing-function", 96 "-webkit-user-drag", "-webkit-user-modify", "-webkit-user-select", "-webkit-variable-declaration-block" 97 ].keySet(); 98 99 this._valueKeywords = [ 100 "above", "absolute", "activeborder", "activecaption", "afar", "after-white-space", "ahead", "alias", "all", "all-scroll", 101 "alternate", "always","amharic", "amharic-abegede", "antialiased", "appworkspace", "aqua", "arabic-indic", "armenian", 102 "auto", "avoid", "background", "backwards", "baseline", "below", "bidi-override", "binary", "bengali", "black", "blink", 103 "block", "block-axis", "blue", "bold", "bolder", "border", "border-box", "both", "bottom", "break-all", "break-word", "button", 104 "button-bevel", "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian", "capitalize", "caps-lock-indicator", 105 "caption", "captiontext", "caret", "cell", "center", "checkbox", "circle", "cjk-earthly-branch", "cjk-heavenly-stem", "cjk-ideographic", 106 "clear", "clip", "close-quote", "col-resize", "collapse", "compact", "condensed", "contain", "content", "content-box", "context-menu", 107 "continuous", "copy", "cover", "crop", "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal", "decimal-leading-zero", "default", 108 "default-button", "destination-atop", "destination-in", "destination-out", "destination-over", "devanagari", "disc", "discard", "document", 109 "dot-dash", "dot-dot-dash", "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out", "element", 110 "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede", "ethiopic-abegede-am-et", "ethiopic-abegede-gez", 111 "ethiopic-abegede-ti-er", "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er", "ethiopic-halehame-aa-et", 112 "ethiopic-halehame-am-et", "ethiopic-halehame-gez", "ethiopic-halehame-om-et", "ethiopic-halehame-sid-et", 113 "ethiopic-halehame-so-et", "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig", "ew-resize", "expanded", 114 "extra-condensed", "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "forwards", "from", "fuchsia", "geometricPrecision", 115 "georgian", "gray", "graytext", "green", "grey", "groove", "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew", "help", 116 "hidden", "hide", "higher", "highlight", "highlighttext", "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore", 117 "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite", "infobackground", "infotext", "inherit", "initial", "inline", 118 "inline-axis", "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert", "italic", "justify", "kannada", "katakana", 119 "katakana-iroha", "khmer", "landscape", "lao", "large", "larger", "left", "level", "lighter", "lime", "line-through", "linear", "lines", 120 "list-button", "list-item", "listbox", "listitem", "local", "logical", "loud", "lower", "lower-alpha", "lower-greek", "lower-hexadecimal", "lower-latin", 121 "lower-norwegian", "lower-roman", "lowercase", "ltr", "malayalam", "maroon", "match", "media-controls-background", "media-current-time-display", 122 "media-fullscreen-button", "media-mute-button", "media-play-button", "media-return-to-realtime-button", "media-rewind-button", 123 "media-seek-back-button", "media-seek-forward-button", "media-slider", "media-sliderthumb", "media-time-remaining-display", 124 "media-volume-slider", "media-volume-slider-container", "media-volume-sliderthumb", "medium", "menu", "menulist", "menulist-button", 125 "menulist-text", "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic", "mix", "mongolian", "monospace", "move", "multiple", 126 "myanmar", "n-resize", "narrower", "navy", "ne-resize", "nesw-resize", "no-close-quote", "no-drop", "no-open-quote", "no-repeat", "none", 127 "normal", "not-allowed", "nowrap", "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "olive", "open-quote", "optimizeLegibility", 128 "optimizeSpeed", "orange", "oriya", "oromo", "outset", "outside", "overlay", "overline", "padding", "padding-box", "painted", "paused", 129 "persian", "plus-darker", "plus-lighter", "pointer", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "purple", 130 "push-button", "radio", "read-only", "read-write", "read-write-plaintext-only", "red", "relative", "repeat", "repeat-x", 131 "repeat-y", "reset", "reverse", "rgb", "rgba", "ridge", "right", "round", "row-resize", "rtl", "run-in", "running", "s-resize", "sans-serif", 132 "scroll", "scrollbar", "se-resize", "searchfield", "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button", 133 "searchfield-results-decoration", "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama", "silver", "single", 134 "skip-white-space", "slide", "slider-horizontal", "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow", 135 "small", "small-caps", "small-caption", "smaller", "solid", "somali", "source-atop", "source-in", "source-out", "source-over", 136 "space", "square", "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub", "subpixel-antialiased", "super", 137 "sw-resize", "table", "table-caption", "table-cell", "table-column", "table-column-group", "table-footer-group", "table-header-group", 138 "table-row", "table-row-group", "teal", "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai", "thick", "thin", 139 "threeddarkshadow", "threedface", "threedhighlight", "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er", "tigrinya-er-abegede", 140 "tigrinya-et", "tigrinya-et-abegede", "to", "top", "transparent", "ultra-condensed", "ultra-expanded", "underline", "up", "upper-alpha", "upper-greek", 141 "upper-hexadecimal", "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url", "vertical", "vertical-text", "visible", 142 "visibleFill", "visiblePainted", "visibleStroke", "visual", "w-resize", "wait", "wave", "white", "wider", "window", "windowframe", "windowtext", 143 "x-large", "x-small", "xor", "xx-large", "xx-small", "yellow", "-wap-marquee", "-webkit-activelink", "-webkit-auto", "-webkit-baseline-middle", 144 "-webkit-body", "-webkit-box", "-webkit-center", "-webkit-control", "-webkit-focus-ring-color", "-webkit-grab", "-webkit-grabbing", 145 "-webkit-gradient", "-webkit-inline-box", "-webkit-left", "-webkit-link", "-webkit-marquee", "-webkit-mini-control", "-webkit-nowrap", "-webkit-right", 146 "-webkit-small-control", "-webkit-text", "-webkit-xxx-large", "-webkit-zoom-in", "-webkit-zoom-out", 147 ].keySet(); 148 149 this._mediaTypes = ["all", "aural", "braille", "embossed", "handheld", "import", "print", "projection", "screen", "tty", "tv"].keySet(); 150 151 this._lexConditions = { 152 INITIAL: 0, 153 COMMENT: 1, 154 DSTRING: 2, 155 SSTRING: 3 156 }; 157 158 this._parseConditions = { 159 INITIAL: 0, 160 PROPERTY: 1, 161 PROPERTY_VALUE: 2, 162 AT_RULE: 3 163 }; 164 165 this.case_INITIAL = 1000; 166 this.case_COMMENT = 1002; 167 this.case_DSTRING = 1003; 168 this.case_SSTRING = 1004; 169 170 this.initialCondition = { lexCondition: this._lexConditions.INITIAL, parseCondition: this._parseConditions.INITIAL } 171 } 172 173 WebInspector.SourceCSSTokenizer.prototype = { 174 _stringToken: function(cursor, stringEnds) 175 { 176 if (this._isPropertyValue()) 177 this.tokenType = "css-string"; 178 else 179 this.tokenType = null; 180 return cursor; 181 }, 182 183 _isPropertyValue: function() 184 { 185 return this._parseCondition === this._parseConditions.PROPERTY_VALUE || this._parseCondition === this._parseConditions.AT_RULE; 186 }, 187 188 nextToken: function(cursor) 189 { 190 var cursorOnEnter = cursor; 191 var gotoCase = 1; 192 while (1) { 193 switch (gotoCase) 194 // Following comment is replaced with generated state machine. 195 /*!re2c 196 re2c:define:YYCTYPE = "var"; 197 re2c:define:YYCURSOR = cursor; 198 re2c:define:YYGETCONDITION = "this.getLexCondition"; 199 re2c:define:YYSETCONDITION = "this.setLexCondition"; 200 re2c:condprefix = "case this.case_"; 201 re2c:condenumprefix = "this._lexConditions."; 202 re2c:yyfill:enable = 0; 203 re2c:labelprefix = "case "; 204 re2c:indent:top = 2; 205 re2c:indent:string = " "; 206 207 CommentContent = ([^*\r\n] | ("*"+[^/*]))*; 208 Comment = "/*" CommentContent "*"+ "/"; 209 CommentStart = "/*" CommentContent [\r\n]; 210 CommentEnd = CommentContent "*"+ "/"; 211 212 OpenCurlyBracket = "{"; 213 CloseCurlyBracket = "}"; 214 215 Colon = ":"; 216 Semicolon = ";"; 217 218 NumericLiteral = "-"? ([0-9]+ | [0-9]* "." [0-9]+) ("em" | "rem" | "__qem" | "ex" | "px" | "cm" | 219 "mm" | "in" | "pt" | "pc" | "deg" | "rad" | "grad" | "turn" | "ms" | "s" | "Hz" | "kHz" | "%")?; 220 221 Identifier = [@!_\-$0-9a-zA-Z\[\]='"/]+; 222 223 DoubleStringContent = ([^\r\n\"\\] | "\\" ['"\\bfnrtv])*; 224 SingleStringContent = ([^\r\n\'\\] | "\\" ['"\\bfnrtv])*; 225 StringLiteral = "\"" DoubleStringContent "\"" | "'" SingleStringContent "'"; 226 DoubleStringStart = "\"" DoubleStringContent "\\" [\r\n]; 227 DoubleStringEnd = DoubleStringContent "\""; 228 SingleStringStart = "'" SingleStringContent "\\" [\r\n]; 229 SingleStringEnd = SingleStringContent "'"; 230 231 <INITIAL> Comment { this.tokenType = "css-comment"; return cursor; } 232 <INITIAL> CommentStart => COMMENT { this.tokenType = "css-comment"; return cursor; } 233 <COMMENT> CommentContent => COMMENT { this.tokenType = "css-comment"; return cursor; } 234 <COMMENT> CommentEnd => INITIAL { this.tokenType = "css-comment"; return cursor; } 235 236 <INITIAL> StringLiteral { return this._stringToken(cursor, true); } 237 <INITIAL> DoubleStringStart => DSTRING { return this._stringToken(cursor); } 238 <DSTRING> DoubleStringContent => DSTRING { return this._stringToken(cursor); } 239 <DSTRING> DoubleStringEnd => INITIAL { return this._stringToken(cursor, true); } 240 <INITIAL> SingleStringStart => SSTRING { return this._stringToken(cursor); } 241 <SSTRING> SingleStringContent => SSTRING { return this._stringToken(cursor); } 242 <SSTRING> SingleStringEnd => INITIAL { return this._stringToken(cursor, true); } 243 244 <INITIAL> OpenCurlyBracket 245 { 246 this.tokenType = null; 247 if (this._parseCondition === this._parseConditions.AT_RULE) 248 this._parseCondition = this._parseConditions.INITIAL; 249 else 250 this._parseCondition = this._parseConditions.PROPERTY; 251 return cursor; 252 } 253 254 <INITIAL> CloseCurlyBracket 255 { 256 this.tokenType = null; 257 this._parseCondition = this._parseConditions.INITIAL; 258 return cursor; 259 } 260 261 <INITIAL> Colon 262 { 263 this.tokenType = null; 264 if (this._parseCondition === this._parseConditions.PROPERTY) 265 this._parseCondition = this._parseConditions.PROPERTY_VALUE; 266 return cursor; 267 } 268 269 <INITIAL> Semicolon 270 { 271 this.tokenType = null; 272 if (this._parseCondition === this._parseConditions.AT_RULE) 273 this._parseCondition = this._parseConditions.INITIAL; 274 else 275 this._parseCondition = this._parseConditions.PROPERTY; 276 return cursor; 277 } 278 279 <INITIAL> NumericLiteral 280 { 281 if (this._isPropertyValue()) 282 this.tokenType = "css-number"; 283 else 284 this.tokenType = null; 285 return cursor; 286 } 287 288 <INITIAL> Identifier 289 { 290 var token = this._line.substring(cursorOnEnter, cursor); 291 if (this._parseCondition === this._parseConditions.INITIAL) { 292 if (token === "@import" || token === "@media") { 293 this.tokenType = "css-at-rule"; 294 this._parseCondition = this._parseConditions.AT_RULE; 295 } else if (token.indexOf("@") === 0) 296 this.tokenType = "css-at-rule"; 297 else 298 this.tokenType = "css-selector"; 299 } 300 else if (this._parseCondition === this._parseConditions.AT_RULE && token in this._mediaTypes) 301 this.tokenType = "css-keyword"; 302 else if (this._parseCondition === this._parseConditions.PROPERTY && token in this._propertyKeywords) 303 this.tokenType = "css-property"; 304 else if (this._isPropertyValue() && token in this._valueKeywords) 305 this.tokenType = "css-keyword"; 306 else if (token === "!important") 307 this.tokenType = "css-important"; 308 else 309 this.tokenType = null; 310 return cursor; 311 } 312 <*> [^] { this.tokenType = null; return cursor; } 313 */ 314 } 315 } 316 } 317 318 WebInspector.SourceCSSTokenizer.prototype.__proto__ = WebInspector.SourceTokenizer.prototype; 319
