diff options
Diffstat (limited to 'cps-path-parser/src/main/antlr4/org')
| -rw-r--r-- | cps-path-parser/src/main/antlr4/org/onap/cps/cpspath/parser/antlr4/CpsPath.g4 | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/cps-path-parser/src/main/antlr4/org/onap/cps/cpspath/parser/antlr4/CpsPath.g4 b/cps-path-parser/src/main/antlr4/org/onap/cps/cpspath/parser/antlr4/CpsPath.g4 index c88a822654..3aef120fed 100644 --- a/cps-path-parser/src/main/antlr4/org/onap/cps/cpspath/parser/antlr4/CpsPath.g4 +++ b/cps-path-parser/src/main/antlr4/org/onap/cps/cpspath/parser/antlr4/CpsPath.g4 @@ -1,6 +1,6 @@ /* * ============LICENSE_START======================================================= - * Copyright (C) 2021-2022 Nordix Foundation + * Copyright (C) 2021-2023 Nordix Foundation * Modifications Copyright (C) 2023 TechMahindra Ltd * ================================================================================ * Licensed under the Apache License, Version 2.0 (the "License"); @@ -19,6 +19,12 @@ * ============LICENSE_END========================================================= */ +/* + * Parser Rules + * Some of the parser rules below are inspired by + * https://github.com/antlr/grammars-v4/blob/master/xpath/xpath31/XPath31Parser.g4 + */ + grammar CpsPath ; cpsPath : ( prefix | descendant | incorrectPrefix ) multipleLeafConditions? textFunctionCondition? containsFunctionCondition? ancestorAxis? invalidPostFix?; @@ -60,7 +66,7 @@ invalidPostFix : (AT | CB | COLONCOLON | comparativeOperators ).+ ; /* * Lexer Rules * Most of the lexer rules below are inspired by - * https://raw.githubusercontent.com/antlr/grammars-v4/master/xpath/xpath31/XPath31.g4 + * https://github.com/antlr/grammars-v4/blob/master/xpath/xpath31/XPath31Lexer.g4 */ AT : '@' ; @@ -89,9 +95,9 @@ IntegerLiteral : FragDigits ; // Add below type definitions for leafvalue comparision in https://jira.onap.org/browse/CPS-440 DecimalLiteral : ('.' FragDigits) | (FragDigits '.' [0-9]*) ; DoubleLiteral : (('.' FragDigits) | (FragDigits ('.' [0-9]*)?)) [eE] [+-]? FragDigits ; -StringLiteral : ('"' (FragEscapeQuot | ~[^"])*? '"') | ('\'' (FragEscapeApos | ~['])*? '\'') ; +StringLiteral : '"' (~["] | FragEscapeQuot)* '"' | '\'' (~['] | FragEscapeApos)* '\'' ; fragment FragEscapeQuot : '""' ; -fragment FragEscapeApos : '\'' ; +fragment FragEscapeApos : '\'\''; fragment FragDigits : [0-9]+ ; QName : FragQName ; |