[antlr-interest] template rewrites

[Viktor Lioutyi]

I encountered the same problem and the best solution I found so far

for literals:

numeric_literal
        :       INTEGER_LITERAL -> {%{$INTEGER_LITERAL.text}}
        |       DECIMAL_LITERAL -> {%{$DECIMAL_LITERAL.text}}
        |       FLOATING_POINT_LITERAL -> {%{$FLOATING_POINT_LITERAL.text}}
        ;

for rules:


function

        : castFunction -> {$castFunction.st}

        | trimFunction -> {$trimFunction.st}

        ...

        ;

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