trdeltree 0.20.15

This package has no dependencies.

# trdeltree
## Summary
Delete an entire subtree of a parse tree
## Description
Reads a parse tree from stdin, and given an XPath expression
for the nodes in the parse tree, delete the nodes and all children
recursively. Writes the modified tree
to stdout. The input and output are Parse Tree Data.
## Usage
trdeltree <string>
## Example
Before:
grammar Expression;
e : e ('*' | '/') e
| e ('+' | '-') e
| '(' e ')'
| ('-' | '+')* a
;
a : INT ;
INT : ('0' .. '9')+ ;
MUL : '*' ;
DIV : '/' ;
ADD : '+' ;
SUB : '-' ;
LP : '(' ;
RP : ')' ;
WS : [ \r\n\t] + -> skip ;
Command:
trparse Expression.g4 | trdelete "//parserRuleSpec[RULE_REF/text() = 'a']" | trprint
After:
grammar Expression;
e : e ('*' | '/') e
| e ('+' | '-') e
| '(' e ')'
| ('-' | '+')* a
;
a : INT ;
INT : ('0' .. '9')+ ;
MUL : '*' ;
DIV : '/' ;
ADD : '+' ;
SUB : '-' ;
LP : '(' ;
RP : ')' ;
WS : [ \r\n\t] + -> skip ;
## Notes
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.
## Current version
0.20.15 Add performance testing to templates. Add -force option to trgen to generate a target. Dotnet 7.0 dependency; desc.xml replacement for pom.xml. Add trfoldlit. NB: not all Trash tools supported yet.