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Do not explore beyond rule stop states when computing possible next t…
…okens during error recovery Fixes tunnelvisionlabs#84
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@@ -280,4 +280,5 @@ YYYY/MM/DD, github id, Full name, email | |
2020/10/16, adarshbhat, Adarsh Bhat, [email protected] | ||
2020/10/20, adamwojs, Adam Wójs, adam[at]wojs.pl | ||
2020/10/24, cliid, Jiwu Jang, [email protected] | ||
2020/11/05, MichelHartmann, Michel Hartmann, [email protected] | ||
2020/11/05, MichelHartmann, Michel Hartmann, [email protected] | ||
2023/10/26, br0nstein, Aaron Braunstein, aa(last name)@gmail.com |
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49 changes: 49 additions & 0 deletions
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...e-testsuite/resources/org/antlr/v4/test/runtime/templates/ParserErrors/TokenMismatch4.stg
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TestType() ::= "Parser" | ||
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Options ::= [ | ||
"Debug": false | ||
] | ||
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Grammar ::= [ | ||
"T": {<grammar("T")>} | ||
] | ||
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Input() ::= "SELECT CONCAT() FROM tbl" | ||
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Rule() ::= "s" | ||
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Output() ::= << | ||
(selectStatement (selectQuery SELECT (expr (func CONCAT ( (expr )))) (fromClause FROM tbl)) limitOpt) | ||
Error encountered: [@3,14:14=')',\<7>,1:14]<\n> | ||
>> | ||
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Errors() ::= << | ||
line 1:14 mismatched input ')' expecting {IDENTIFIER, NUMBER}<\n> | ||
>> | ||
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grammar(grammarName) ::= << | ||
grammar <grammarName>; | ||
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<ImportVisitor("T")> | ||
<ErrorVisitor("T")> | ||
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s | ||
@init { | ||
<BuildParseTrees()> | ||
} | ||
@after { | ||
<ToStringTree("$r.ctx"):writeln()> | ||
<WalkVisitor("$ctx")> | ||
} | ||
: r=selectStatement ; | ||
selectStatement : selectQuery limitOpt ; | ||
selectQuery : 'SELECT' (expr | '*') fromClause? ; | ||
limitOpt : ('LIMIT' NUMBER)? ; | ||
expr : func | IDENTIFIER | NUMBER ; | ||
fromClause : 'FROM' IDENTIFIER ; | ||
func : IDENTIFIER '(' expr ',' expr (',' expr)* ')' ; | ||
parenthesizedSelectQueryOrExpr : '(' (selectQuery limitOpt | expr) ')' ; | ||
IDENTIFIER : [a-zA-Z]+ ; | ||
NUMBER : [1-9][0-9]* ; | ||
WS : [ \r\t\n]+ -> skip ; | ||
>> |
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