trdelete 0.19.0-alpha1

This package has no dependencies.

# trdelete
## Summary
Delete nodes in a parse tree
## Description
Reads a parse tree from stdin, deletes nodes in the tree using
the specified XPath expression, and writes the modified tree
to stdout. The input and output are Parse Tree Data.
## Usage
trdelete <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
0.19.0-alpha1 Complete rewrite of parse tree representation.