This set, and the set xt/author/html/*.svg just below, are generated by running scripts/. The round trip shows that the lex/parse process does not lose information along the way, but comments are discarded. The html/*.svg are Graphviz graph definition files output by scripts/. They may cause various warning messages to be printed by dot when being rendered. Some data/*.gv files may contain deliberate mistakes, which may or may not stop production of output files. These are valid Graphviz graph definition files. o GraphViz2::Marpa::UtilsĪuxiliary code, used to help generate the demo page. o GraphViz2::Marpa::ConfigĪuxiliary code, used to help generate the demo page. Such 'round-tripping', as it's called, is the best way to test a renderer. It can pass that data to the default renderer, GraphViz2::Marpa::Renderer::Graphviz, which can then render it to a text file ready to be input to dot. It can, optionally, use the default renderer GraphViz2::Marpa::Renderer::Graphviz.Īccepts a Graphviz graph definition and builds a corresponding data structure representing the parsed graph. The current module, which documents the set of modules. This module will be re-written, again, now that its BNF has been incorporated into GraphViz2::Marpa, and patched along the way. GraphViz2::Marpa provides a Marpa::R2-based parser for Graphviz graph definitions.Īnnouncing this module o Building the Grammar See scripts/ for comparing the output of running the parser, and dot, on all data/utf8.*.gv files. 16.gv will be the rendered Graphviz dot file. o Run the parser and the default renderer perl scripts/g2m.pl -input_file data/16.gv -output_file. The "FAQ" discusses the way the parsed data is stored in RAM. Perl scripts/g2m.pl -input_file data/16.gv -max info GraphViz2::Marpa - A Marpa-based parser for Graphviz dot files Synopsis o Display help perl scripts/g2m.pl -h o Run the parser perl scripts/g2m.pl -input_file data/16.gv How are custom graph attributes handled?.If I input x.old.gv and output x.new.gv, should these 2 files be identical?.How can I switch from Marpa::XS to Marpa::PP?.Does this package support Unicode in the input dot file?. Why do I get error messages like the following?.How are nodes, ports and compass points represented in the (above) tree?.How many different names can these nodes have?.
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