Recent questions tagged antlr

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antlr - antlr4: Mismatched input on simple grammar

I have a simple grammar that keeps giving me mismatched input on seemingly right inputs. My grammar is ... .com/questions/65852640/antlr4-mismatched-input-on-simple-grammar...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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antlr - trivial problem with antlr4: text==null and no idea why

I have a grammar which worked already and i reactivated. Now it does not work any more. The point is two rules parseRule ... the if. The truth is different. Who can explain me???...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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784 views

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antlr - How to preserve whitespace when we use text attribute in Antlr4

I want to keep white space when I call text attribute of token, is there any way to do it? Here is the situation: We have the following ... 1) = ')' THEN M = L; ELSE M = L - 1;...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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antlr - How to preserve whitespace when we use text attribute in Antlr4

I want to keep white space when I call text attribute of token, is there any way to do it? Here is the situation: We have the following ... 1) = ')' THEN M = L; ELSE M = L - 1;...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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