{"id":89487,"date":"2020-07-23T01:42:30","date_gmt":"2020-07-22T23:42:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/re2c-2-0"},"modified":"2020-07-23T01:42:30","modified_gmt":"2020-07-22T23:42:30","slug":"re2c-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/re2c-2-0","title":{"rendered":"re2c 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>El lunes 20 de julio se lanz\u00f3 la versi\u00f3n de re2c, un generador de analizadores l\u00e9xicos r\u00e1pidos.<br \/>\nPrincipales cambios:<\/p>\n<ul>\n<li>\n<p>Se agreg\u00f3 soporte para el lenguaje Go<br \/>\n(se activa ya sea con la opci\u00f3n &#8212;lang go para re2c, o como un programa separado re2go).<br \/>\nLa documentaci\u00f3n para C y Go se genera a partir del mismo texto, pero con diferentes<br \/>\nejemplos de c\u00f3digo. Se ha revisado por completo el subsistema de generaci\u00f3n de c\u00f3digo en re2c, lo que<br \/>\ndeber\u00eda facilitar el soporte de nuevos lenguajes en el futuro.<\/p>\n<\/li>\n<li>\n<noindex><\/p>\n<p>Se a\u00f1adi\u00f3 un sistema de construcci\u00f3n alternativo en CMake (gracias a <a rel=\"nofollow\" href=\"https:\/\/github.com\/ligfx\">ligfx<\/a>!).<\/noindex><br \/>\nLos intentos de portar re2c a CMake se han realizado desde hace tiempo, pero hasta ligfx nadie<br \/>\npropuso una soluci\u00f3n completa.<br \/>\nEl antiguo sistema de construcci\u00f3n con Autotools sigue siendo soportado y usado,<br \/>\ny no hay planes a corto plazo de abandonarlo (en parte para no crear<br \/>\nproblemas a los desarrolladores de distribuciones, en parte porque el antiguo sistema de construcci\u00f3n<br \/>\nes m\u00e1s estable y conciso que el nuevo).<br \/>\nAmbos sistemas se prueban continuamente mediante Travis CI.<\/p>\n<\/li>\n<li>\n<p>Se agreg\u00f3 la posibilidad de definir el c\u00f3digo de interfaz en las configuraciones al usar<br \/>\nuna API gen\u00e9rica (generic API). Anteriormente, la mayor\u00eda de las API deb\u00edan definirse en forma de<br \/>\nfunciones o macros funcionales. Ahora se pueden definir en forma de cadenas arbitrarias<br \/>\ncon par\u00e1metros de plantilla nombrados del tipo @@{nombre} o simplemente @@ (si<br \/>\nel par\u00e1metro es uno y no hay ambig\u00fcedad). El estilo de la API se define por la configuraci\u00f3n<br \/>\nre2c:api:style (el valor functions establece un estilo funcional, mientras que free-form permite un formato libre).<\/p>\n<\/li>\n<li>\n<p>Se mejor\u00f3 el funcionamiento de la opci\u00f3n -c, &#8212;start-conditions, que permite combinar varios.<br \/>\nanalizadores l\u00e9xicos interrelacionados en un solo bloque de re2c. Ahora se pueden utilizar<br \/>\nbloques normales junto con bloques condicionales y definir varios bloques condicionales no relacionados<br \/>\nen un solo archivo.<br \/>\nSe mejor\u00f3 el funcionamiento de la opci\u00f3n -r, &#8212;reuse (reutilizaci\u00f3n de c\u00f3digo de un bloque.<br \/>\nen otros bloques) en combinaci\u00f3n con las opciones -c, &#8212;start-conditions y -f, &#8212;storable-state.<br \/>\n(un analizador l\u00e9xico con estado guardable, que se puede interrumpir en cualquier momento<br \/>\ny continuar m\u00e1s tarde).<\/p>\n<\/li>\n<li>\n<p>Se corrigi\u00f3 un error en el algoritmo recientemente a\u00f1adido para manejar el final de los datos de entrada<br \/>\n(regla EOF), que provocaba en raras ocasiones un procesamiento incorrecto<br \/>\nde reglas superpuestas.<\/p>\n<\/li>\n<li>\n<p>Se simplific\u00f3 el proceso de arranque. Anteriormente, el sistema de construcci\u00f3n intentaba encontrar din\u00e1micamente<br \/>\nun re2c ya compilado que se pudiera usar para recompilarse a s\u00ed mismo.<br \/>\nEsto llevaba a dependencias incorrectas (ya que el gr\u00e1fico de dependencias resultaba<br \/>\ndin\u00e1mico, algo que la mayor\u00eda de los sistemas de construcci\u00f3n no aprecian).<br \/>\nAhora, para reconstruir los lexers, es necesario configurar expl\u00edcitamente<br \/>\nel sistema de construcci\u00f3n y establecer la variable RE2C_FOR_BUILD.<\/p>\n<\/li>\n<\/ul>\n<p>\u00a1Gracias a todos los que participaron en la preparaci\u00f3n de esta versi\u00f3n!<\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15820642\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c &ndash; \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u044f\u0437\u044b\u043a\u0430 Go (\u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0438\u043b\u0438 \u043e\u043f\u0446\u0438\u0435\u0439 &#8212;lang go \u0434\u043b\u044f re2c, \u0438\u043b\u0438 \u0432 \u0432\u0438\u0434\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b re2go). \u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u0434\u043b\u044f C \u0438 Go \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0438\u0437 \u043e\u0434\u043d\u043e\u0433\u043e \u0438 \u0442\u043e\u0433\u043e \u0436\u0435 \u0442\u0435\u043a\u0441\u0442\u0430, \u043d\u043e \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 \u043a\u043e\u0434\u0430. \u041f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043a\u043e\u0434\u043e\u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0432 re2c, \u0447\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-89487","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c \u2013 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/re2c-2-0\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47re2c 2.0 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c \u2013 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/es\/blog\/news\/re2c-2-0\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-07-22T23:42:30+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-07-22T23:42:30+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47re2c 2.0 | ProHoster","description":"El lunes 20 de julio se lanz\u00f3 re2c, un generador de analizadores l\u00e9xicos r\u00e1pidos.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/re2c-2-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47re2c 2.0 | ProHoster","og:description":"\u0412 \u043f\u043e\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u0438\u043a 20 \u0438\u044e\u043b\u044f \u0432\u044b\u0448\u0435\u043b \u0440\u0435\u043b\u0438\u0437 re2c \u2013 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u043b\u0435\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432.","og:url":"https:\/\/prohoster.info\/es\/blog\/news\/re2c-2-0","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-07-22T23:42:30+00:00","article:modified_time":"2020-07-22T23:42:30+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"89487","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 13:11:25","updated":"2022-10-03 15:55:04","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/89487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/comments?post=89487"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/89487\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/media?parent=89487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/categories?post=89487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/tags?post=89487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}