MarpaX-Grammar-GraphViz2
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<title>Index of sample files created by MarpaX::Grammar::GraphViz2 V 1.05</title>
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<h1 align = 'center'>Index of sample files created by <a href="http://metacpan.org/release/MarpaX-Grammar-GraphViz2">MarpaX::Grammar::GraphViz2</a> V 1.05.</h1>
<p align = 'center'>All scripts and input files required to generate these examples are shipped with the MarpaX::Grammar::GraphViz2 distro. Output files are shipped too.</p>
<p align = 'center'>Note 1: The SVG file for c.ast.bnf has been omitted from this demo page because of its size.<br>
It takes Graphviz's 'dot' program 6 m 25 s to generate (off-line), and is 1.4 Mb in size.<br>
These are not problems, only facts. The problem is the width of the image. So I skipped it.</p>
<p align = 'center'>Note 2: Some images have a tiny subgraph whose root is, e.g., 'comma'. This is due to the author using<br>
both 'comma' and '<comma>' as tokens within the grammar. So far this module does not handle that.</p>
<p align = 'center'>Note 3: A similar thing (as in Note 2) can happen elsewhere, e.g. with named event statements,
when the rhs name uses (say) '<xyz>' and the rule referred to uses just 'xyz'.<br>
In all such cases, there will be 2 nodes, with 2 names differing in just the brackets.</p>
<p align = 'center'>Note 4: Some characters are replaced by similar Unicode characters, because Graphviz teats those characters<br>
as special. These characters are: <, >, " and :. Indeed, the " char is replaced by 2 single quotes.</p>
<p align = 'center'>Note 5: The legend is experimental, and it's form may change at any time. It is displayed here on all<br>
images, but is of course optional.</p>
<p align = 'center'>Note 6: There is a problem displaying any grammar, when a token is used on the right-hand side of a rule<br>
both with and without a qualifier. An example is 'value' in these 2 rules in the json.1.bnf:</p>
<table align = 'center' border = '1'>
<tr><td>pair</td><td>::=</td><td>string ':' value</td><td>action => do_pair</td></tr>
<tr><td>elements</td><td>::=</td><td>value+</td><td>separator => comma action => do_list</td></tr>
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<p align = 'center'>There is no way to display the text 'value' both with and without that '+' sign.</p>
<p align = 'center'>Note 7: Numbers on nodes are rule numbers within the input stream.</p>
<p align = 'center'>Table of Contents</p>
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<td><a href = './index.html#json.1.bnf'>Input file # 1 - json.1.bnf</a></td>
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<td><a href = './index.html#json.2.bnf'>Input file # 2 - json.2.bnf</a></td>
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<td><a href = './index.html#json.3.bnf'>Input file # 3 - json.3.bnf</a></td>
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<td><a href = './index.html#metag.bnf'>Input file # 4 - metag.bnf</a></td>
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