[antlr-interest] Lexer documentation, problem with context-sensitive lexers in C++

[Anthony Brenelière]

In the documentioion, there is the following exemple, to show how the
context-sentsitive lexer can be implemented :
 
BEGIN_TABLE
    :   '[' {this.inTable=true;} // enter table context
    ;
 
ROW_SEP
    :   {this.inTable}? "----"
    ;
 
END_TABLE
    :   ']' {this.inTable=false;} // exit table context
    ;
 
.. but in C++ how can the ‘inTable’ boolean be initialized ? I should
have to change the lexer constructor, but it’s part of the generated
code.
 
Anyone has an idea ?
 
Cordially,
Anthony

 

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