| /* |
| * Copyright (C) 2002-2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
| * Copyright (C) 2008 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2012 Intel Corporation. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| %pure_parser |
| |
| %parse-param { CSSParser* parser } |
| %lex-param { CSSParser* parser } |
| |
| %union { |
| bool boolean; |
| char character; |
| int integer; |
| double number; |
| CSSParserString string; |
| |
| StyleRuleBase* rule; |
| Vector<RefPtr<StyleRuleBase> >* ruleList; |
| CSSParserSelector* selector; |
| Vector<OwnPtr<CSSParserSelector> >* selectorList; |
| CSSSelector::MarginBoxType marginBox; |
| CSSSelector::Relation relation; |
| MediaQuerySet* mediaList; |
| MediaQuery* mediaQuery; |
| MediaQuery::Restrictor mediaQueryRestrictor; |
| MediaQueryExp* mediaQueryExp; |
| CSSParserValue value; |
| CSSParserValueList* valueList; |
| Vector<OwnPtr<MediaQueryExp> >* mediaQueryExpList; |
| StyleKeyframe* keyframe; |
| Vector<RefPtr<StyleKeyframe> >* keyframeRuleList; |
| float val; |
| CSSPropertyID id; |
| } |
| |
| %{ |
| |
| static inline int cssyyerror(void*, const char*) |
| { |
| return 1; |
| } |
| |
| %} |
| |
| %expect 65 |
| |
| %nonassoc LOWEST_PREC |
| |
| %left UNIMPORTANT_TOK |
| |
| %token WHITESPACE SGML_CD |
| %token TOKEN_EOF 0 |
| |
| %token INCLUDES |
| %token DASHMATCH |
| %token BEGINSWITH |
| %token ENDSWITH |
| %token CONTAINS |
| |
| %token <string> STRING |
| %right <string> IDENT |
| %token <string> NTH |
| |
| %nonassoc <string> HEX |
| %nonassoc <string> IDSEL |
| %nonassoc ':' |
| %nonassoc '.' |
| %nonassoc '[' |
| %nonassoc <string> '*' |
| %nonassoc error |
| %left '|' |
| |
| %token IMPORT_SYM |
| %token PAGE_SYM |
| %token MEDIA_SYM |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| %token SUPPORTS_SYM |
| #endif |
| %token FONT_FACE_SYM |
| #if ENABLE_SHADOW_DOM |
| %token HOST_SYM |
| #endif |
| %token CHARSET_SYM |
| %token NAMESPACE_SYM |
| %token VARFUNCTION |
| %token WEBKIT_RULE_SYM |
| %token WEBKIT_DECLS_SYM |
| %token WEBKIT_KEYFRAME_RULE_SYM |
| %token WEBKIT_KEYFRAMES_SYM |
| %token WEBKIT_VALUE_SYM |
| %token WEBKIT_MEDIAQUERY_SYM |
| %token WEBKIT_SELECTOR_SYM |
| %token WEBKIT_REGION_RULE_SYM |
| %token WEBKIT_VIEWPORT_RULE_SYM |
| %token <marginBox> TOPLEFTCORNER_SYM |
| %token <marginBox> TOPLEFT_SYM |
| %token <marginBox> TOPCENTER_SYM |
| %token <marginBox> TOPRIGHT_SYM |
| %token <marginBox> TOPRIGHTCORNER_SYM |
| %token <marginBox> BOTTOMLEFTCORNER_SYM |
| %token <marginBox> BOTTOMLEFT_SYM |
| %token <marginBox> BOTTOMCENTER_SYM |
| %token <marginBox> BOTTOMRIGHT_SYM |
| %token <marginBox> BOTTOMRIGHTCORNER_SYM |
| %token <marginBox> LEFTTOP_SYM |
| %token <marginBox> LEFTMIDDLE_SYM |
| %token <marginBox> LEFTBOTTOM_SYM |
| %token <marginBox> RIGHTTOP_SYM |
| %token <marginBox> RIGHTMIDDLE_SYM |
| %token <marginBox> RIGHTBOTTOM_SYM |
| |
| %token ATKEYWORD |
| |
| %token IMPORTANT_SYM |
| %token MEDIA_ONLY |
| %token MEDIA_NOT |
| %token MEDIA_AND |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| %token SUPPORTS_NOT |
| %token SUPPORTS_AND |
| %token SUPPORTS_OR |
| #endif |
| |
| %token <number> REMS |
| %token <number> QEMS |
| %token <number> EMS |
| %token <number> EXS |
| %token <number> PXS |
| %token <number> CMS |
| %token <number> MMS |
| %token <number> INS |
| %token <number> PTS |
| %token <number> PCS |
| %token <number> DEGS |
| %token <number> RADS |
| %token <number> GRADS |
| %token <number> TURNS |
| %token <number> MSECS |
| %token <number> SECS |
| %token <number> HERTZ |
| %token <number> KHERTZ |
| %token <string> DIMEN |
| %token <string> INVALIDDIMEN |
| %token <number> PERCENTAGE |
| %token <number> FLOATTOKEN |
| %token <number> INTEGER |
| %token <number> VW |
| %token <number> VH |
| %token <number> VMIN |
| %token <number> DPPX |
| %token <number> DPI |
| %token <number> DPCM |
| |
| %token <string> URI |
| %token <string> FUNCTION |
| %token <string> ANYFUNCTION |
| %token <string> NOTFUNCTION |
| %token <string> CALCFUNCTION |
| %token <string> MINFUNCTION |
| %token <string> MAXFUNCTION |
| %token <string> VAR_DEFINITION |
| |
| %token <string> UNICODERANGE |
| |
| %type <relation> combinator |
| |
| %type <rule> charset |
| %type <rule> ignored_charset |
| %type <rule> ruleset |
| %type <rule> media |
| %type <rule> import |
| %type <rule> namespace |
| %type <rule> page |
| %type <rule> margin_box |
| %type <rule> font_face |
| #if ENABLE_SHADOW_DOM |
| %type <rule> host |
| #endif |
| %type <rule> keyframes |
| %type <rule> invalid_rule |
| %type <rule> save_block |
| %type <rule> invalid_at |
| %type <rule> rule |
| %type <rule> valid_rule |
| %type <ruleList> block_rule_list |
| %type <rule> block_rule |
| %type <rule> block_valid_rule |
| %type <rule> region |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| %type <rule> supports |
| #endif |
| #if ENABLE_CSS_DEVICE_ADAPTATION |
| %type <rule> viewport |
| #endif |
| |
| %type <string> maybe_ns_prefix |
| |
| %type <string> namespace_selector |
| |
| %type <string> string_or_uri |
| %type <string> ident_or_string |
| %type <string> medium |
| %type <marginBox> margin_sym |
| |
| %type <string> media_feature |
| %type <mediaList> media_list |
| %type <mediaList> maybe_media_list |
| %type <mediaQuery> media_query |
| %type <mediaQueryRestrictor> maybe_media_restrictor |
| %type <valueList> maybe_media_value |
| %type <mediaQueryExp> media_query_exp |
| %type <mediaQueryExpList> media_query_exp_list |
| %type <mediaQueryExpList> maybe_and_media_query_exp_list |
| |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| %type <boolean> supports_condition |
| %type <boolean> supports_condition_in_parens |
| %type <boolean> supports_negation |
| %type <boolean> supports_conjunction |
| %type <boolean> supports_disjunction |
| %type <boolean> supports_declaration_condition |
| #endif |
| |
| %type <string> keyframe_name |
| %type <keyframe> keyframe_rule |
| %type <keyframeRuleList> keyframes_rule |
| %type <valueList> key_list |
| %type <value> key |
| |
| %type <id> property |
| |
| %type <selector> specifier |
| %type <selector> specifier_list |
| %type <selector> simple_selector |
| %type <selector> selector |
| %type <selectorList> selector_list |
| %type <selectorList> simple_selector_list |
| %type <selectorList> region_selector |
| %type <selector> selector_with_trailing_whitespace |
| %type <selector> class |
| %type <selector> attrib |
| %type <selector> pseudo |
| %type <selector> pseudo_page |
| %type <selector> page_selector |
| |
| %type <boolean> declaration_list |
| %type <boolean> decl_list |
| %type <boolean> declaration |
| %type <boolean> declarations_and_margins |
| |
| %type <boolean> prio |
| |
| %type <integer> match |
| %type <integer> unary_operator |
| %type <integer> maybe_unary_operator |
| %type <character> operator |
| |
| %type <valueList> expr |
| %type <value> term |
| %type <value> unary_term |
| %type <value> function |
| %type <value> calc_func_term |
| %type <character> calc_func_operator |
| %type <valueList> calc_func_expr |
| %type <valueList> calc_func_expr_list |
| %type <valueList> calc_func_paren_expr |
| %type <value> calc_function |
| %type <string> min_or_max |
| %type <value> min_or_max_function |
| |
| %type <string> element_name |
| %type <string> attr_name |
| |
| %% |
| |
| stylesheet: |
| maybe_space maybe_charset maybe_sgml rule_list |
| | webkit_rule maybe_space |
| | webkit_decls maybe_space |
| | webkit_value maybe_space |
| | webkit_mediaquery maybe_space |
| | webkit_selector maybe_space |
| | webkit_keyframe_rule maybe_space |
| ; |
| |
| webkit_rule: |
| WEBKIT_RULE_SYM '{' maybe_space valid_rule maybe_space '}' { |
| parser->m_rule = $4; |
| } |
| ; |
| |
| webkit_keyframe_rule: |
| WEBKIT_KEYFRAME_RULE_SYM '{' maybe_space keyframe_rule maybe_space '}' { |
| parser->m_keyframe = $4; |
| } |
| ; |
| |
| webkit_decls: |
| WEBKIT_DECLS_SYM '{' maybe_space_before_declaration declaration_list '}' { |
| /* can be empty */ |
| } |
| ; |
| |
| webkit_value: |
| WEBKIT_VALUE_SYM '{' maybe_space expr '}' { |
| if ($4) { |
| parser->m_valueList = parser->sinkFloatingValueList($4); |
| int oldParsedProperties = parser->m_parsedProperties.size(); |
| if (!parser->parseValue(parser->m_id, parser->m_important)) |
| parser->rollbackLastProperties(parser->m_parsedProperties.size() - oldParsedProperties); |
| parser->m_valueList = nullptr; |
| } |
| } |
| ; |
| |
| webkit_mediaquery: |
| WEBKIT_MEDIAQUERY_SYM WHITESPACE maybe_space media_query '}' { |
| parser->m_mediaQuery = parser->sinkFloatingMediaQuery($4); |
| } |
| ; |
| |
| webkit_selector: |
| WEBKIT_SELECTOR_SYM '{' maybe_space selector_list '}' { |
| if ($4) { |
| if (parser->m_selectorListForParseSelector) |
| parser->m_selectorListForParseSelector->adoptSelectorVector(*$4); |
| } |
| } |
| ; |
| |
| maybe_space: |
| /* empty */ %prec UNIMPORTANT_TOK |
| | maybe_space WHITESPACE |
| ; |
| |
| maybe_sgml: |
| /* empty */ |
| | maybe_sgml SGML_CD |
| | maybe_sgml WHITESPACE |
| ; |
| |
| maybe_charset: |
| /* empty */ |
| | charset { |
| } |
| ; |
| |
| closing_brace: |
| '}' |
| | %prec LOWEST_PREC TOKEN_EOF |
| ; |
| |
| charset: |
| CHARSET_SYM maybe_space STRING maybe_space ';' { |
| if (parser->m_styleSheet) |
| parser->m_styleSheet->parserSetEncodingFromCharsetRule($3); |
| if (parser->isExtractingSourceData() && parser->m_currentRuleDataStack->isEmpty() && parser->m_ruleSourceDataResult) |
| parser->addNewRuleToSourceTree(CSSRuleSourceData::createUnknown()); |
| $$ = 0; |
| } |
| | CHARSET_SYM error invalid_block { |
| } |
| | CHARSET_SYM error ';' { |
| } |
| ; |
| |
| ignored_charset: |
| CHARSET_SYM maybe_space STRING maybe_space ';' { |
| // Ignore any @charset rule not at the beginning of the style sheet. |
| $$ = 0; |
| } |
| | CHARSET_SYM maybe_space ';' { |
| $$ = 0; |
| } |
| ; |
| |
| rule_list: |
| /* empty */ |
| | rule_list rule maybe_sgml { |
| if ($2 && parser->m_styleSheet) |
| parser->m_styleSheet->parserAppendRule($2); |
| } |
| ; |
| |
| valid_rule: |
| ruleset |
| | media |
| | page |
| | font_face |
| | keyframes |
| | namespace |
| | import |
| | region |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| | supports |
| #endif |
| #if ENABLE_SHADOW_DOM |
| | host |
| #endif |
| #if ENABLE_CSS_DEVICE_ADAPTATION |
| | viewport |
| #endif |
| ; |
| |
| rule: |
| valid_rule { |
| parser->m_hadSyntacticallyValidCSSRule = true; |
| } |
| | ignored_charset |
| | invalid_rule |
| | invalid_at |
| ; |
| |
| block_rule_list: |
| /* empty */ { $$ = 0; } |
| | block_rule_list block_rule maybe_sgml { |
| $$ = $1; |
| if ($2) { |
| if (!$$) |
| $$ = parser->createRuleList(); |
| $$->append($2); |
| } |
| } |
| ; |
| |
| block_valid_rule: |
| ruleset |
| | page |
| | font_face |
| | keyframes |
| #if ENABLE_CSS_DEVICE_ADAPTATION |
| | viewport |
| #endif |
| ; |
| |
| block_rule: |
| block_valid_rule |
| | invalid_rule |
| | invalid_at |
| | namespace |
| | import |
| | media |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| | supports |
| #endif |
| ; |
| |
| at_import_header_end_maybe_space: |
| maybe_space { |
| parser->markRuleHeaderEnd(); |
| parser->markRuleBodyStart(); |
| } |
| ; |
| |
| before_import_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::IMPORT_RULE); |
| } |
| ; |
| |
| import: |
| before_import_rule IMPORT_SYM at_import_header_end_maybe_space string_or_uri maybe_space maybe_media_list ';' { |
| $$ = parser->createImportRule($4, $6); |
| } |
| | before_import_rule IMPORT_SYM at_import_header_end_maybe_space string_or_uri maybe_space maybe_media_list TOKEN_EOF { |
| $$ = parser->createImportRule($4, $6); |
| } |
| | before_import_rule IMPORT_SYM at_import_header_end_maybe_space string_or_uri maybe_space maybe_media_list invalid_block { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| | before_import_rule IMPORT_SYM error ';' { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| | before_import_rule IMPORT_SYM error invalid_block { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| ; |
| |
| namespace: |
| NAMESPACE_SYM maybe_space maybe_ns_prefix string_or_uri maybe_space ';' { |
| parser->addNamespace($3, $4); |
| $$ = 0; |
| } |
| | NAMESPACE_SYM maybe_space maybe_ns_prefix string_or_uri maybe_space invalid_block { |
| $$ = 0; |
| } |
| | NAMESPACE_SYM error invalid_block { |
| $$ = 0; |
| } |
| | NAMESPACE_SYM error ';' { |
| $$ = 0; |
| } |
| ; |
| |
| maybe_ns_prefix: |
| /* empty */ { $$.clear(); } |
| | IDENT maybe_space { $$ = $1; } |
| ; |
| |
| string_or_uri: |
| STRING |
| | URI |
| ; |
| |
| media_feature: |
| IDENT maybe_space { |
| $$ = $1; |
| } |
| ; |
| |
| maybe_media_value: |
| /*empty*/ { |
| $$ = 0; |
| } |
| | ':' maybe_space expr maybe_space { |
| $$ = $3; |
| } |
| ; |
| |
| media_query_exp: |
| maybe_media_restrictor maybe_space '(' maybe_space media_feature maybe_space maybe_media_value ')' maybe_space { |
| // If restrictor is specified, media query expression is invalid. |
| // Create empty media query expression and continue parsing media query. |
| if ($1 != MediaQuery::None) |
| $$ = parser->createFloatingMediaQueryExp("", 0); |
| else { |
| $5.lower(); |
| $$ = parser->createFloatingMediaQueryExp($5, $7); |
| } |
| } |
| ; |
| |
| media_query_exp_list: |
| media_query_exp { |
| $$ = parser->createFloatingMediaQueryExpList(); |
| $$->append(parser->sinkFloatingMediaQueryExp($1)); |
| } |
| | media_query_exp_list maybe_space MEDIA_AND maybe_space media_query_exp { |
| $$ = $1; |
| $$->append(parser->sinkFloatingMediaQueryExp($5)); |
| } |
| ; |
| |
| maybe_and_media_query_exp_list: |
| /*empty*/ { |
| $$ = parser->createFloatingMediaQueryExpList(); |
| } |
| | MEDIA_AND maybe_space media_query_exp_list { |
| $$ = $3; |
| } |
| ; |
| |
| maybe_media_restrictor: |
| /*empty*/ { |
| $$ = MediaQuery::None; |
| } |
| | MEDIA_ONLY { |
| $$ = MediaQuery::Only; |
| } |
| | MEDIA_NOT { |
| $$ = MediaQuery::Not; |
| } |
| ; |
| |
| media_query: |
| media_query_exp_list { |
| $$ = parser->createFloatingMediaQuery(parser->sinkFloatingMediaQueryExpList($1)); |
| } |
| | |
| maybe_media_restrictor maybe_space medium maybe_and_media_query_exp_list { |
| $3.lower(); |
| $$ = parser->createFloatingMediaQuery($1, $3, parser->sinkFloatingMediaQueryExpList($4)); |
| } |
| ; |
| |
| maybe_media_list: |
| /* empty */ { |
| $$ = parser->createMediaQuerySet(); |
| } |
| | media_list |
| ; |
| |
| media_list: |
| media_query { |
| $$ = parser->createMediaQuerySet(); |
| $$->addMediaQuery(parser->sinkFloatingMediaQuery($1)); |
| parser->updateLastMediaLine($$); |
| } |
| | media_list ',' maybe_space media_query { |
| $$ = $1; |
| if ($$) { |
| $$->addMediaQuery(parser->sinkFloatingMediaQuery($4)); |
| parser->updateLastMediaLine($$); |
| } |
| } |
| | media_list error { |
| $$ = 0; |
| } |
| ; |
| |
| at_rule_body_start: |
| /* empty */ { |
| parser->markRuleBodyStart(); |
| } |
| ; |
| |
| before_media_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::MEDIA_RULE); |
| } |
| ; |
| |
| at_rule_header_end_maybe_space: |
| maybe_space { |
| parser->markRuleHeaderEnd(); |
| } |
| ; |
| |
| media: |
| before_media_rule MEDIA_SYM maybe_space media_list at_rule_header_end '{' at_rule_body_start maybe_space block_rule_list save_block { |
| $$ = parser->createMediaRule($4, $9); |
| } |
| | before_media_rule MEDIA_SYM at_rule_header_end_maybe_space '{' at_rule_body_start maybe_space block_rule_list save_block { |
| $$ = parser->createMediaRule(0, $7); |
| } |
| | before_media_rule MEDIA_SYM at_rule_header_end_maybe_space ';' { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| ; |
| |
| medium: |
| IDENT maybe_space { |
| $$ = $1; |
| } |
| ; |
| |
| #if ENABLE_CSS3_CONDITIONAL_RULES |
| supports: |
| SUPPORTS_SYM maybe_space supports_condition '{' maybe_space block_rule_list save_block { |
| CSSParser* p = static_cast<CSSParser*>(parser); |
| if ($3 && $6 && p->m_styleSheet) { |
| for (unsigned i = 0; i < $6->size(); i++) |
| p->m_styleSheet->parserAppendRule($6->at(i).release()); |
| } |
| $$ = 0; |
| } |
| ; |
| |
| supports_condition: |
| supports_condition_in_parens |
| | supports_negation |
| | supports_conjunction |
| | supports_disjunction |
| ; |
| |
| supports_negation: |
| SUPPORTS_NOT maybe_space supports_condition_in_parens { |
| $$ = !$3; |
| } |
| ; |
| |
| supports_conjunction: |
| supports_condition_in_parens SUPPORTS_AND maybe_space supports_condition_in_parens { |
| $$ = $1 && $4; |
| } |
| | supports_conjunction SUPPORTS_AND maybe_space supports_condition_in_parens { |
| $$ = $1 && $4; |
| } |
| ; |
| |
| supports_disjunction: |
| supports_condition_in_parens SUPPORTS_OR maybe_space supports_condition_in_parens { |
| $$ = $1 || $4; |
| } |
| | supports_disjunction SUPPORTS_OR maybe_space supports_condition_in_parens { |
| $$ = $1 || $4; |
| } |
| ; |
| |
| supports_condition_in_parens: |
| '(' maybe_space supports_condition ')' maybe_space { |
| $$ = $3; |
| } |
| | supports_declaration_condition |
| ; |
| |
| supports_declaration_condition: |
| '(' maybe_space property ':' maybe_space expr prio ')' maybe_space { |
| $$ = false; |
| CSSParser* p = static_cast<CSSParser*>(parser); |
| if ($3 && $6) { |
| p->m_valueList = p->sinkFloatingValueList($6); |
| int oldParsedProperties = p->m_parsedProperties.size(); |
| $$ = p->parseValue(static_cast<CSSPropertyID>($3), $7); |
| // We just need to know if the declaration is supported as it is written. Rollback any additions. |
| if ($$) |
| p->rollbackLastProperties(p->m_parsedProperties.size() - oldParsedProperties); |
| p->m_valueList = nullptr; |
| } |
| p->markPropertyEnd($7, false); |
| } |
| ; |
| #endif |
| |
| before_keyframes_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::KEYFRAMES_RULE); |
| } |
| ; |
| |
| keyframes: |
| before_keyframes_rule WEBKIT_KEYFRAMES_SYM maybe_space keyframe_name at_rule_header_end_maybe_space '{' at_rule_body_start maybe_space keyframes_rule closing_brace { |
| $$ = parser->createKeyframesRule($4, parser->sinkFloatingKeyframeVector($9)); |
| } |
| ; |
| |
| keyframe_name: |
| IDENT |
| | STRING |
| ; |
| |
| keyframes_rule: |
| /* empty */ { $$ = parser->createFloatingKeyframeVector(); } |
| | keyframes_rule keyframe_rule maybe_space { |
| $$ = $1; |
| if ($2) |
| $$->append($2); |
| } |
| ; |
| |
| keyframe_rule: |
| key_list maybe_space '{' maybe_space declaration_list '}' { |
| $$ = parser->createKeyframe($1); |
| } |
| ; |
| |
| key_list: |
| key { |
| $$ = parser->createFloatingValueList(); |
| $$->addValue(parser->sinkFloatingValue($1)); |
| } |
| | key_list maybe_space ',' maybe_space key { |
| $$ = $1; |
| if ($$) |
| $$->addValue(parser->sinkFloatingValue($5)); |
| } |
| ; |
| |
| key: |
| maybe_unary_operator PERCENTAGE { $$.id = 0; $$.isInt = false; $$.fValue = $1 * $2; $$.unit = CSSPrimitiveValue::CSS_NUMBER; } |
| | IDENT { |
| $$.id = 0; $$.isInt = false; $$.unit = CSSPrimitiveValue::CSS_NUMBER; |
| CSSParserString& str = $1; |
| if (str.equalIgnoringCase("from")) |
| $$.fValue = 0; |
| else if (str.equalIgnoringCase("to")) |
| $$.fValue = 100; |
| else |
| YYERROR; |
| } |
| ; |
| |
| before_page_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::PAGE_RULE); |
| } |
| ; |
| |
| page: |
| before_page_rule PAGE_SYM maybe_space page_selector at_rule_header_end_maybe_space |
| '{' at_rule_body_start maybe_space_before_declaration declarations_and_margins closing_brace { |
| if ($4) |
| $$ = parser->createPageRule(parser->sinkFloatingSelector($4)); |
| else { |
| // Clear properties in the invalid @page rule. |
| parser->clearProperties(); |
| // Also clear margin at-rules here once we fully implement margin at-rules parsing. |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| } |
| | before_page_rule PAGE_SYM error invalid_block { |
| parser->popRuleData(); |
| $$ = 0; |
| } |
| | before_page_rule PAGE_SYM error ';' { |
| parser->popRuleData(); |
| $$ = 0; |
| } |
| ; |
| |
| page_selector: |
| IDENT { |
| $$ = parser->createFloatingSelector(); |
| $$->setTag(QualifiedName(nullAtom, $1, parser->m_defaultNamespace)); |
| $$->setForPage(); |
| } |
| | IDENT pseudo_page { |
| $$ = $2; |
| if ($$) { |
| $$->setTag(QualifiedName(nullAtom, $1, parser->m_defaultNamespace)); |
| $$->setForPage(); |
| } |
| } |
| | pseudo_page { |
| $$ = $1; |
| if ($$) |
| $$->setForPage(); |
| } |
| | /* empty */ { |
| $$ = parser->createFloatingSelector(); |
| $$->setForPage(); |
| } |
| ; |
| |
| declarations_and_margins: |
| declaration_list |
| | declarations_and_margins margin_box maybe_space declaration_list |
| ; |
| |
| margin_box: |
| margin_sym { |
| parser->startDeclarationsForMarginBox(); |
| } maybe_space '{' maybe_space declaration_list closing_brace { |
| $$ = parser->createMarginAtRule($1); |
| } |
| ; |
| |
| margin_sym : |
| TOPLEFTCORNER_SYM { |
| $$ = CSSSelector::TopLeftCornerMarginBox; |
| } |
| | TOPLEFT_SYM { |
| $$ = CSSSelector::TopLeftMarginBox; |
| } |
| | TOPCENTER_SYM { |
| $$ = CSSSelector::TopCenterMarginBox; |
| } |
| | TOPRIGHT_SYM { |
| $$ = CSSSelector::TopRightMarginBox; |
| } |
| | TOPRIGHTCORNER_SYM { |
| $$ = CSSSelector::TopRightCornerMarginBox; |
| } |
| | BOTTOMLEFTCORNER_SYM { |
| $$ = CSSSelector::BottomLeftCornerMarginBox; |
| } |
| | BOTTOMLEFT_SYM { |
| $$ = CSSSelector::BottomLeftMarginBox; |
| } |
| | BOTTOMCENTER_SYM { |
| $$ = CSSSelector::BottomCenterMarginBox; |
| } |
| | BOTTOMRIGHT_SYM { |
| $$ = CSSSelector::BottomRightMarginBox; |
| } |
| | BOTTOMRIGHTCORNER_SYM { |
| $$ = CSSSelector::BottomRightCornerMarginBox; |
| } |
| | LEFTTOP_SYM { |
| $$ = CSSSelector::LeftTopMarginBox; |
| } |
| | LEFTMIDDLE_SYM { |
| $$ = CSSSelector::LeftMiddleMarginBox; |
| } |
| | LEFTBOTTOM_SYM { |
| $$ = CSSSelector::LeftBottomMarginBox; |
| } |
| | RIGHTTOP_SYM { |
| $$ = CSSSelector::RightTopMarginBox; |
| } |
| | RIGHTMIDDLE_SYM { |
| $$ = CSSSelector::RightMiddleMarginBox; |
| } |
| | RIGHTBOTTOM_SYM { |
| $$ = CSSSelector::RightBottomMarginBox; |
| } |
| ; |
| |
| before_font_face_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::FONT_FACE_RULE); |
| } |
| ; |
| |
| font_face: |
| before_font_face_rule FONT_FACE_SYM at_rule_header_end_maybe_space |
| '{' at_rule_body_start maybe_space_before_declaration declaration_list closing_brace { |
| $$ = parser->createFontFaceRule(); |
| } |
| | before_font_face_rule FONT_FACE_SYM error invalid_block { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| | before_font_face_rule FONT_FACE_SYM error ';' { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| ; |
| |
| #if ENABLE_SHADOW_DOM |
| before_host_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::HOST_RULE); |
| } |
| ; |
| |
| host: |
| before_host_rule HOST_SYM at_rule_header_end_maybe_space |
| '{' at_rule_body_start maybe_space block_rule_list save_block { |
| $$ = parser->createHostRule($7); |
| } |
| | before_host_rule HOST_SYM at_rule_header_end_maybe_space ';' { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| ; |
| #endif |
| |
| #if ENABLE_CSS_DEVICE_ADAPTATION |
| before_viewport_rule: |
| /* empty */ { |
| parser->markViewportRuleBodyStart(); |
| parser->markRuleHeaderStart(CSSRuleSourceData::VIEWPORT_RULE); |
| } |
| ; |
| |
| viewport: |
| before_viewport_rule WEBKIT_VIEWPORT_RULE_SYM at_rule_header_end_maybe_space |
| '{' at_rule_body_start maybe_space_before_declaration declaration_list closing_brace { |
| $$ = parser->createViewportRule(); |
| parser->markViewportRuleBodyEnd(); |
| } |
| | before_viewport_rule WEBKIT_VIEWPORT_RULE_SYM error invalid_block { |
| $$ = 0; |
| parser->popRuleData(); |
| parser->markViewportRuleBodyEnd(); |
| } |
| | before_viewport_rule WEBKIT_VIEWPORT_RULE_SYM error ';' { |
| $$ = 0; |
| parser->popRuleData(); |
| parser->markViewportRuleBodyEnd(); |
| } |
| ; |
| #endif |
| |
| region_selector: |
| selector_list { |
| if ($1) { |
| parser->setReusableRegionSelectorVector($1); |
| $$ = parser->reusableRegionSelectorVector(); |
| } |
| else |
| $$ = 0; |
| } |
| ; |
| |
| before_region_rule: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::REGION_RULE); |
| } |
| ; |
| |
| region: |
| before_region_rule WEBKIT_REGION_RULE_SYM WHITESPACE region_selector at_rule_header_end '{' at_rule_body_start maybe_space block_rule_list save_block { |
| if ($4) |
| $$ = parser->createRegionRule($4, $9); |
| else { |
| $$ = 0; |
| parser->popRuleData(); |
| } |
| } |
| ; |
| |
| combinator: |
| '+' maybe_space { $$ = CSSSelector::DirectAdjacent; } |
| | '~' maybe_space { $$ = CSSSelector::IndirectAdjacent; } |
| | '>' maybe_space { $$ = CSSSelector::Child; } |
| ; |
| |
| maybe_unary_operator: |
| unary_operator { $$ = $1; } |
| | { $$ = 1; } |
| ; |
| |
| unary_operator: |
| '-' { $$ = -1; } |
| | '+' { $$ = 1; } |
| ; |
| |
| maybe_space_before_declaration: |
| maybe_space { |
| parser->markPropertyStart(); |
| } |
| ; |
| |
| before_selector_list: |
| /* empty */ { |
| parser->markRuleHeaderStart(CSSRuleSourceData::STYLE_RULE); |
| parser->markSelectorStart(); |
| } |
| ; |
| |
| at_rule_header_end: |
| /* empty */ { |
| parser->markRuleHeaderEnd(); |
| } |
| ; |
| |
| at_selector_end: |
| /* empty */ { |
| parser->markSelectorEnd(); |
| } |
| ; |
| |
| ruleset: |
| before_selector_list selector_list at_selector_end at_rule_header_end '{' at_rule_body_start maybe_space_before_declaration declaration_list closing_brace { |
| $$ = parser->createStyleRule($2); |
| } |
| ; |
| |
| before_selector_group_item: |
| /* empty */ { |
| parser->markSelectorStart(); |
| } |
| |
| selector_list: |
| selector %prec UNIMPORTANT_TOK { |
| if ($1) { |
| $$ = parser->reusableSelectorVector(); |
| $$->shrink(0); |
| $$->append(parser->sinkFloatingSelector($1)); |
| parser->updateLastSelectorLineAndPosition(); |
| } |
| } |
| | selector_list at_selector_end ',' maybe_space before_selector_group_item selector %prec UNIMPORTANT_TOK { |
| if ($1 && $6) { |
| $$ = $1; |
| $$->append(parser->sinkFloatingSelector($6)); |
| parser->updateLastSelectorLineAndPosition(); |
| } else |
| $$ = 0; |
| } |
| | selector_list error { |
| $$ = 0; |
| } |
| ; |
| |
| selector_with_trailing_whitespace: |
| selector WHITESPACE { |
| $$ = $1; |
| } |
| ; |
| |
| selector: |
| simple_selector { |
| $$ = $1; |
| } |
| | selector_with_trailing_whitespace |
| { |
| $$ = $1; |
| } |
| | selector_with_trailing_whitespace simple_selector |
| { |
| $$ = $2; |
| if (!$1) |
| $$ = 0; |
| else if ($$) { |
| CSSParserSelector* end = $$; |
| while (end->tagHistory()) |
| end = end->tagHistory(); |
| end->setRelation(CSSSelector::Descendant); |
| end->setTagHistory(parser->sinkFloatingSelector($1)); |
| } |
| } |
| | selector combinator simple_selector { |
| $$ = $3; |
| if (!$1) |
| $$ = 0; |
| else if ($$) { |
| CSSParserSelector* end = $$; |
| while (end->tagHistory()) |
| end = end->tagHistory(); |
| end->setRelation($2); |
| end->setTagHistory(parser->sinkFloatingSelector($1)); |
| } |
| } |
| | selector error { |
| $$ = 0; |
| } |
| ; |
| |
| namespace_selector: |
| /* empty */ '|' { $$.clear(); } |
| | '*' '|' { static LChar star = '*'; $$.init(&star, 1); } |
| | IDENT '|' { $$ = $1; } |
| ; |
| |
| simple_selector: |
| element_name { |
| $$ = parser->createFloatingSelector(); |
| $$->setTag(QualifiedName(nullAtom, $1, parser->m_defaultNamespace)); |
| } |
| | element_name specifier_list { |
| $$ = $2; |
| if ($$) |
| parser->updateSpecifiersWithElementName(nullAtom, $1, $$); |
| } |
| | specifier_list { |
| $$ = $1; |
| if ($$) |
| parser->updateSpecifiersWithElementName(nullAtom, starAtom, $$); |
| } |
| | namespace_selector element_name { |
| $$ = parser->createFloatingSelector(); |
| $$->setTag(parser->determineNameInNamespace($1, $2)); |
| } |
| | namespace_selector element_name specifier_list { |
| $$ = $3; |
| if ($$) |
| parser->updateSpecifiersWithElementName($1, $2, $$); |
| } |
| | namespace_selector specifier_list { |
| $$ = $2; |
| if ($$) |
| parser->updateSpecifiersWithElementName($1, starAtom, $$); |
| } |
| ; |
| |
| simple_selector_list: |
| simple_selector %prec UNIMPORTANT_TOK { |
| if ($1) { |
| $$ = parser->createFloatingSelectorVector(); |
| $$->append(parser->sinkFloatingSelector($1)); |
| } else |
| $$ = 0; |
| } |
| | simple_selector_list maybe_space ',' maybe_space simple_selector %prec UNIMPORTANT_TOK { |
| if ($1 && $5) { |
| $$ = $1; |
| $$->append(parser->sinkFloatingSelector($5)); |
| } else |
| $$ = 0; |
| } |
| | simple_selector_list error { |
| $$ = 0; |
| } |
| ; |
| |
| element_name: |
| IDENT { |
| CSSParserString& str = $1; |
| if (parser->m_context.isHTMLDocument) |
| str.lower(); |
| $$ = str; |
| } |
| | '*' { |
| static LChar star = '*'; |
| $$.init(&star, 1); |
| } |
| ; |
| |
| specifier_list: |
| specifier { |
| $$ = $1; |
| } |
| | specifier_list specifier { |
| if (!$2) |
| $$ = 0; |
| else if ($1) |
| $$ = parser->updateSpecifiers($1, $2); |
| } |
| | specifier_list error { |
| $$ = 0; |
| } |
| ; |
| |
| specifier: |
| IDSEL { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::Id); |
| if (parser->m_context.mode == CSSQuirksMode) |
| $1.lower(); |
| $$->setValue($1); |
| } |
| | HEX { |
| if ($1[0] >= '0' && $1[0] <= '9') { |
| $$ = 0; |
| } else { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::Id); |
| if (parser->m_context.mode == CSSQuirksMode) |
| $1.lower(); |
| $$->setValue($1); |
| } |
| } |
| | class |
| | attrib |
| | pseudo |
| ; |
| |
| class: |
| '.' IDENT { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::Class); |
| if (parser->m_context.mode == CSSQuirksMode) |
| $2.lower(); |
| $$->setValue($2); |
| } |
| ; |
| |
| attr_name: |
| IDENT maybe_space { |
| CSSParserString& str = $1; |
| if (parser->m_context.isHTMLDocument) |
| str.lower(); |
| $$ = str; |
| } |
| ; |
| |
| attrib: |
| '[' maybe_space attr_name ']' { |
| $$ = parser->createFloatingSelector(); |
| $$->setAttribute(QualifiedName(nullAtom, $3, nullAtom)); |
| $$->setMatch(CSSSelector::Set); |
| } |
| | '[' maybe_space attr_name match maybe_space ident_or_string maybe_space ']' { |
| $$ = parser->createFloatingSelector(); |
| $$->setAttribute(QualifiedName(nullAtom, $3, nullAtom)); |
| $$->setMatch((CSSSelector::Match)$4); |
| $$->setValue($6); |
| } |
| | '[' maybe_space namespace_selector attr_name ']' { |
| $$ = parser->createFloatingSelector(); |
| $$->setAttribute(parser->determineNameInNamespace($3, $4)); |
| $$->setMatch(CSSSelector::Set); |
| } |
| | '[' maybe_space namespace_selector attr_name match maybe_space ident_or_string maybe_space ']' { |
| $$ = parser->createFloatingSelector(); |
| $$->setAttribute(parser->determineNameInNamespace($3, $4)); |
| $$->setMatch((CSSSelector::Match)$5); |
| $$->setValue($7); |
| } |
| ; |
| |
| match: |
| '=' { |
| $$ = CSSSelector::Exact; |
| } |
| | INCLUDES { |
| $$ = CSSSelector::List; |
| } |
| | DASHMATCH { |
| $$ = CSSSelector::Hyphen; |
| } |
| | BEGINSWITH { |
| $$ = CSSSelector::Begin; |
| } |
| | ENDSWITH { |
| $$ = CSSSelector::End; |
| } |
| | CONTAINS { |
| $$ = CSSSelector::Contain; |
| } |
| ; |
| |
| ident_or_string: |
| IDENT |
| | STRING |
| ; |
| |
| pseudo_page: |
| ':' IDENT { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PagePseudoClass); |
| $2.lower(); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| } |
| |
| pseudo: |
| ':' IDENT { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| $2.lower(); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| } |
| | ':' ':' IDENT { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoElement); |
| $3.lower(); |
| $$->setValue($3); |
| // FIXME: This call is needed to force selector to compute the pseudoType early enough. |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| } |
| // use by :-webkit-any. |
| // FIXME: should we support generic selectors here or just simple_selectors? |
| // Use simple_selector_list for now to match -moz-any. |
| // See http://lists.w3.org/Archives/Public/www-style/2010Sep/0566.html for some |
| // related discussion with respect to :not. |
| | ':' ANYFUNCTION maybe_space simple_selector_list maybe_space ')' { |
| if ($4) { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| $$->adoptSelectorVector(*parser->sinkFloatingSelectorVector($4)); |
| $2.lower(); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type != CSSSelector::PseudoAny) |
| $$ = 0; |
| } else |
| $$ = 0; |
| } |
| // used by :nth-*(ax+b) |
| | ':' FUNCTION maybe_space NTH maybe_space ')' { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| $$->setArgument($4); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| } |
| // used by :nth-* |
| | ':' FUNCTION maybe_space maybe_unary_operator INTEGER maybe_space ')' { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| $$->setArgument(String::number($4 * $5)); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| } |
| // used by :nth-*(odd/even) and :lang |
| | ':' FUNCTION maybe_space IDENT maybe_space ')' { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| $$->setArgument($4); |
| $2.lower(); |
| $$->setValue($2); |
| CSSSelector::PseudoType type = $$->pseudoType(); |
| if (type == CSSSelector::PseudoUnknown) |
| $$ = 0; |
| else if (type == CSSSelector::PseudoNthChild || |
| type == CSSSelector::PseudoNthOfType || |
| type == CSSSelector::PseudoNthLastChild || |
| type == CSSSelector::PseudoNthLastOfType) { |
| if (!isValidNthToken($4)) |
| $$ = 0; |
| } |
| } |
| // used by :not |
| | ':' NOTFUNCTION maybe_space simple_selector maybe_space ')' { |
| if (!$4 || !$4->isSimple()) |
| $$ = 0; |
| else { |
| $$ = parser->createFloatingSelector(); |
| $$->setMatch(CSSSelector::PseudoClass); |
| |
| Vector<OwnPtr<CSSParserSelector> > selectorVector; |
| selectorVector.append(parser->sinkFloatingSelector($4)); |
| $$->adoptSelectorVector(selectorVector); |
| |
| $2.lower(); |
| $$->setValue($2); |
| } |
| } |
| ; |
| |
| declaration_list: |
| declaration { |
| $$ = $1; |
| } |
| | decl_list declaration { |
| $$ = $1; |
| if ( $2 ) |
| $$ = $2; |
| } |
| | decl_list { |
| $$ = $1; |
| } |
| | error invalid_block_list error { |
| $$ = false; |
| } |
| | error { |
| $$ = false; |
| } |
| | decl_list error { |
| $$ = $1; |
| } |
| | decl_list invalid_block_list { |
| $$ = $1; |
| } |
| ; |
| |
| decl_list: |
| declaration ';' maybe_space { |
| parser->markPropertyStart(); |
| $$ = $1; |
| } |
| | declaration invalid_block_list maybe_space { |
| $$ = false; |
| } |
| | declaration invalid_block_list ';' maybe_space { |
| $$ = false; |
| } |
| | error ';' maybe_space { |
| parser->markPropertyStart(); |
| $$ = false; |
| } |
| | error invalid_block_list error ';' maybe_space { |
| $$ = false; |
| } |
| | decl_list declaration ';' maybe_space { |
| parser->markPropertyStart(); |
| $$ = $1; |
| if ($2) |
| $$ = $2; |
| } |
| | decl_list error ';' maybe_space { |
| parser->markPropertyStart(); |
| $$ = $1; |
| } |
| | decl_list error invalid_block_list error ';' maybe_space { |
| parser->markPropertyStart(); |
| $$ = $1; |
| } |
| ; |
| |
| declaration: |
| VAR_DEFINITION ':' maybe_space expr prio { |
| #if ENABLE_CSS_VARIABLES |
| parser->storeVariableDeclaration($1, parser->sinkFloatingValueList($4), $5); |
| $$ = true; |
| parser->markPropertyEnd($5, true); |
| #else |
| $$ = false; |
| #endif |
| } |
| | |
| property ':' maybe_space expr prio { |
| $$ = false; |
| bool isPropertyParsed = false; |
| if ($1 && $4) { |
| parser->m_valueList = parser->sinkFloatingValueList($4); |
| int oldParsedProperties = parser->m_parsedProperties.size(); |
| $$ = parser->parseValue(static_cast<CSSPropertyID>($1), $5); |
| if (!$$) |
| parser->rollbackLastProperties(parser->m_parsedProperties.size() - oldParsedProperties); |
| else |
| isPropertyParsed = true; |
| parser->m_valueList = nullptr; |
| } |
| parser->markPropertyEnd($5, isPropertyParsed); |
| } |
| | |
| property error { |
| $$ = false; |
| } |
| | |
| property ':' maybe_space error expr prio { |
| /* The default movable type template has letter-spacing: .none; Handle this by looking for |
| error tokens at the start of an expr, recover the expr and then treat as an error, cleaning |
| up and deleting the shifted expr. */ |
| parser->markPropertyEnd(false, false); |
| $$ = false; |
| } |
| | |
| property ':' maybe_space expr prio error { |
| /* When we encounter something like p {color: red !important fail;} we should drop the declaration */ |
| parser->markPropertyEnd(false, false); |
| $$ = false; |
| } |
| | |
| IMPORTANT_SYM maybe_space { |
| /* Handle this case: div { text-align: center; !important } Just reduce away the stray !important. */ |
| $$ = false; |
| } |
| | |
| property ':' maybe_space { |
| /* div { font-family: } Just reduce away this property with no value. */ |
| parser->markPropertyEnd(false, false); |
| $$ = false; |
| } |
| | |
| property ':' maybe_space error { |
| /* if we come across rules with invalid values like this case: p { weight: *; }, just discard the rule */ |
| parser->markPropertyEnd(false, false); |
| $$ = false; |
| } |
| | |
| property invalid_block { |
| /* if we come across: div { color{;color:maroon} }, ignore everything within curly brackets */ |
| $$ = false; |
| } |
| ; |
| |
| property: |
| IDENT maybe_space { |
| $$ = cssPropertyID($1); |
| } |
| ; |
| |
| prio: |
| IMPORTANT_SYM maybe_space { $$ = true; } |
| | /* empty */ { $$ = false; } |
| ; |
| |
| expr: |
| term { |
| $$ = parser->createFloatingValueList(); |
| $$->addValue(parser->sinkFloatingValue($1)); |
| } |
| | expr operator term { |
| $$ = $1; |
| if ($$) { |
| if ($2) { |
| CSSParserValue v; |
| v.id = 0; |
| v.unit = CSSParserValue::Operator; |
| v.iValue = $2; |
| $$->addValue(v); |
| } |
| $$->addValue(parser->sinkFloatingValue($3)); |
| } |
| } |
| | expr invalid_block_list { |
| $$ = 0; |
| } |
| | expr invalid_block_list error { |
| $$ = 0; |
| } |
| | expr error { |
| $$ = 0; |
| } |
| ; |
| |
| operator: |
| '/' maybe_space { |
| $$ = '/'; |
| } |
| | ',' maybe_space { |
| $$ = ','; |
| } |
| | /* empty */ { |
| $$ = 0; |
| } |
| ; |
| |
| term: |
| unary_term { $$ = $1; } |
| | unary_operator unary_term { $$ = $2; $$.fValue *= $1; } |
| | STRING maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_STRING; } |
| | IDENT maybe_space { |
| $$.id = cssValueKeywordID($1); |
| $$.unit = CSSPrimitiveValue::CSS_IDENT; |
| $$.string = $1; |
| } |
| /* We might need to actually parse the number from a dimension, but we can't just put something that uses $$.string into unary_term. */ |
| | DIMEN maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; } |
| | unary_operator DIMEN maybe_space { $$.id = 0; $$.string = $2; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; } |
| | URI maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_URI; } |
| | UNICODERANGE maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_UNICODE_RANGE; } |
| | HEX maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; } |
| | '#' maybe_space { $$.id = 0; $$.string = CSSParserString(); $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; } /* Handle error case: "color: #;" */ |
| | VARFUNCTION maybe_space IDENT ')' maybe_space { |
| #if ENABLE_CSS_VARIABLES |
| $$.id = 0; |
| $$.string = $3; |
| $$.unit = CSSPrimitiveValue::CSS_VARIABLE_NAME; |
| #endif |
| } |
| /* FIXME: according to the specs a function can have a unary_operator in front. I know no case where this makes sense */ |
| | function { |
| $$ = $1; |
| } |
| | calc_function { |
| $$ = $1; |
| } |
| | min_or_max_function { |
| $$ = $1; |
| } |
| | '%' maybe_space { /* Handle width: %; */ |
| $$.id = 0; $$.unit = 0; |
| } |
| ; |
| |
| unary_term: |
| INTEGER maybe_space { $$.id = 0; $$.isInt = true; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_NUMBER; } |
| | FLOATTOKEN maybe_space { $$.id = 0; $$.isInt = false; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_NUMBER; } |
| | PERCENTAGE maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PERCENTAGE; } |
| | PXS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PX; } |
| | CMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_CM; } |
| | MMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_MM; } |
| | INS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_IN; } |
| | PTS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PT; } |
| | PCS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PC; } |
| | DEGS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_DEG; } |
| | RADS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_RAD; } |
| | GRADS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_GRAD; } |
| | TURNS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_TURN; } |
| | MSECS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_MS; } |
| | SECS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_S; } |
| | HERTZ maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_HZ; } |
| | KHERTZ maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_KHZ; } |
| | EMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_EMS; } |
| | QEMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSParserValue::Q_EMS; } |
| | EXS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_EXS; } |
| | REMS maybe_space { |
| $$.id = 0; |
| $$.fValue = $1; |
| $$.unit = CSSPrimitiveValue::CSS_REMS; |
| if (parser->m_styleSheet) |
| parser->m_styleSheet->parserSetUsesRemUnits(true); |
| } |
| | VW maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_VW; } |
| | VH maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_VH; } |
| | VMIN maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_VMIN; } |
| | DPPX maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_DPPX; } |
| | DPI maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_DPI; } |
| | DPCM maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_DPCM; } |
| ; |
| |
| function: |
| FUNCTION maybe_space expr ')' maybe_space { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| f->args = parser->sinkFloatingValueList($3); |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } | |
| FUNCTION maybe_space expr TOKEN_EOF { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| f->args = parser->sinkFloatingValueList($3); |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } | |
| FUNCTION maybe_space ')' maybe_space { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| CSSParserValueList* valueList = parser->createFloatingValueList(); |
| f->args = parser->sinkFloatingValueList(valueList); |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } | |
| FUNCTION maybe_space error { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| f->args = nullptr; |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } |
| ; |
| |
| calc_func_term: |
| unary_term { $$ = $1; } |
| | VARFUNCTION maybe_space IDENT ')' maybe_space { |
| #if ENABLE_CSS_VARIABLES |
| $$.id = 0; |
| $$.string = $3; |
| $$.unit = CSSPrimitiveValue::CSS_VARIABLE_NAME; |
| #endif |
| } |
| | unary_operator unary_term { $$ = $2; $$.fValue *= $1; } |
| ; |
| |
| calc_func_operator: |
| '+' WHITESPACE { |
| $$ = '+'; |
| } |
| | '-' WHITESPACE { |
| $$ = '-'; |
| } |
| | '*' maybe_space { |
| $$ = '*'; |
| } |
| | '/' maybe_space { |
| $$ = '/'; |
| } |
| ; |
| |
| calc_func_paren_expr: |
| '(' maybe_space calc_func_expr maybe_space ')' maybe_space { |
| if ($3) { |
| $$ = $3; |
| CSSParserValue v; |
| v.id = 0; |
| v.unit = CSSParserValue::Operator; |
| v.iValue = '('; |
| $$->insertValueAt(0, v); |
| v.iValue = ')'; |
| $$->addValue(v); |
| } else |
| $$ = 0; |
| } |
| |
| calc_func_expr: |
| calc_func_term maybe_space { |
| $$ = parser->createFloatingValueList(); |
| $$->addValue(parser->sinkFloatingValue($1)); |
| } |
| | calc_func_expr calc_func_operator calc_func_term { |
| if ($1 && $2) { |
| $$ = $1; |
| CSSParserValue v; |
| v.id = 0; |
| v.unit = CSSParserValue::Operator; |
| v.iValue = $2; |
| $$->addValue(v); |
| $$->addValue(parser->sinkFloatingValue($3)); |
| } else |
| $$ = 0; |
| |
| } |
| | calc_func_expr calc_func_operator calc_func_paren_expr { |
| if ($1 && $2 && $3) { |
| $$ = $1; |
| CSSParserValue v; |
| v.id = 0; |
| v.unit = CSSParserValue::Operator; |
| v.iValue = $2; |
| $$->addValue(v); |
| $$->extend(*($3)); |
| } else |
| $$ = 0; |
| } |
| | calc_func_paren_expr |
| | calc_func_expr error { |
| $$ = 0; |
| } |
| ; |
| |
| calc_func_expr_list: |
| calc_func_expr { |
| $$ = $1; |
| } |
| | calc_func_expr_list ',' maybe_space calc_func_expr { |
| if ($1 && $4) { |
| $$ = $1; |
| CSSParserValue v; |
| v.id = 0; |
| v.unit = CSSParserValue::Operator; |
| v.iValue = ','; |
| $$->addValue(v); |
| $$->extend(*($4)); |
| } else |
| $$ = 0; |
| } |
| |
| |
| calc_function: |
| CALCFUNCTION maybe_space calc_func_expr ')' maybe_space { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| f->args = parser->sinkFloatingValueList($3); |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } |
| | CALCFUNCTION maybe_space error { |
| YYERROR; |
| } |
| ; |
| |
| |
| min_or_max: |
| MINFUNCTION { |
| $$ = $1; |
| } |
| | MAXFUNCTION { |
| $$ = $1; |
| } |
| ; |
| |
| min_or_max_function: |
| min_or_max maybe_space calc_func_expr_list ')' maybe_space { |
| CSSParserFunction* f = parser->createFloatingFunction(); |
| f->name = $1; |
| f->args = parser->sinkFloatingValueList($3); |
| $$.id = 0; |
| $$.unit = CSSParserValue::Function; |
| $$.function = f; |
| } |
| | min_or_max maybe_space error { |
| YYERROR; |
| } |
| ; |
| |
| /* error handling rules */ |
| |
| save_block: |
| closing_brace { |
| $$ = 0; |
| } |
| | error closing_brace { |
| $$ = 0; |
| } |
| ; |
| |
| invalid_at: |
| ATKEYWORD error invalid_block { |
| $$ = 0; |
| } |
| | ATKEYWORD error ';' { |
| $$ = 0; |
| } |
| ; |
| |
| invalid_rule: |
| error invalid_block { |
| $$ = 0; |
| } |
| |
| /* |
| Seems like the two rules below are trying too much and violating |
| http://www.hixie.ch/tests/evil/mixed/csserrorhandling.html |
| |
| | error ';' { |
| $$ = 0; |
| } |
| | error '}' { |
| $$ = 0; |
| } |
| */ |
| ; |
| |
| invalid_block: |
| '{' error invalid_block_list error closing_brace { |
| parser->invalidBlockHit(); |
| } |
| | '{' error closing_brace { |
| parser->invalidBlockHit(); |
| } |
| ; |
| |
| invalid_block_list: |
| invalid_block |
| | invalid_block_list error invalid_block |
| ; |
| |
| %% |
| |
