Sort rules in a grammar
Reads a parse tree from stdin, move rules according to the named operation, and writes the modified tree to stdout. The input and output are Parse Tree Data.
trsort bfs <string>
trsort dfs <string>
Reorder the parser rules according to the specified type and start rule. For BFS and DFS, an XPath expression must be supplied to specify all the start rule symbols. For alphabetic reordering, all parser rules are retained, and simply reordered alphabetically. For BFS and DFS, if the rule is unreachable from a start node set that is specified via , then the rule is dropped from the grammar.
trparse Java.g4 | trsort alpha | trtext
trparse Java.g4 | trsort dfs ""//parserRuleSpec/RULE_REF[text()='libraryDefinition']"" | trtext
If you are running MSYS2 on Windows, you may notice that XPaths are not being processed by this command correctly. To avoid the Bash shell from altering XPaths, type export MSYS2_ARG_CONV_EXCL="*", then execute your command.
0.23.2 Code clean up. Rename Domemtech.Trash to just Trash. Add match-required to trquery.
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Copyright (c) 2024 Ken Domino
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