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| **/.DS_Store | ||
| /**/.project | ||
| /**/.classpath | ||
| /**/.settings/ | ||
| /**/target | ||
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| .fetch_time_cache | ||
| **/.DS_Store | ||
| /**/.project | ||
| /**/.classpath | ||
| /**/.settings/ | ||
| /**/target | ||
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| #IntelliJ Idea project files | ||
| .idea/ | ||
| *.iml |
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| #ONCRPCv2 and XDR grammars | ||
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| External Data Representation (XDR) is a data serialization format defined | ||
| by [RFC 4506](https://tools.ietf.org/html/rfc4506) (which obsoletes the | ||
| previous definition in [RFC 1832](https://tools.ietf.org/html/rfc1832)). | ||
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| Open Network Computing Remote Procedure Call (ONCRPC) aka SunRPC is a | ||
| remote procedure call system that uses XDR for serialization. version 2 | ||
| is defined by [RFC 5531](https://tools.ietf.org/html/rfc5531) | ||
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| ONCRPC is the rpc mechanism that NFS (Network File System) is built on. |
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| struct CalculationResult { | ||
| hyper result; | ||
| unsigned hyper startMillis; | ||
| unsigned hyper finishMillis; | ||
| }; | ||
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| program CALCULATOR { | ||
| version CALCULATORVERS { | ||
| CalculationResult add(hyper, hyper) = 1; | ||
| hyper addSimple(hyper, hyper) = 2; | ||
| } = 1; | ||
| } = 117; |
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| grammar oncrpcv2; | ||
| import xdr; | ||
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| //oncrpcv2 additions on top of xdr (rfc 5531) | ||
| programDef: 'program' IDENTIFIER '{' | ||
| versionDef | ||
| versionDef* | ||
| '}' '=' constant ';'; | ||
| versionDef: 'version' IDENTIFIER '{' | ||
| procedureDef | ||
| procedureDef* | ||
| '}' '=' constant ';'; | ||
| procedureDef: procReturn IDENTIFIER '(' procFirstArg (',' typeSpecifier)* ')' '=' constant ';'; | ||
| procReturn: 'void' | typeSpecifier; | ||
| procFirstArg: 'void' | typeSpecifier; | ||
| oncrpcv2Specification : (xdrSpecification | programDef)*; //this is the top level rule for oncrpcv2 (rfc 5531) |
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| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <artifactId>oncrpc</artifactId> | ||
| <packaging>jar</packaging> | ||
| <name>ONCRPC and XDR grammars</name> | ||
| <parent> | ||
| <groupId>com.antlr.grammarsv4</groupId> | ||
| <artifactId>grammarsv4</artifactId> | ||
| <version>1.0-SNAPSHOT</version> | ||
| <relativePath>../pom.xml</relativePath> | ||
| </parent> | ||
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| <build> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.antlr</groupId> | ||
| <artifactId>antlr4-maven-plugin</artifactId> | ||
| <version>${antlr.version}</version> | ||
| <configuration> | ||
| <sourceDirectory>${basedir}</sourceDirectory> | ||
| <visitor>true</visitor> | ||
| <listener>true</listener> | ||
| </configuration> | ||
| <executions> | ||
| <execution> | ||
| <goals> | ||
| <goal>antlr4</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.antlr</groupId> | ||
| <artifactId>antlr4test-maven-plugin</artifactId> | ||
| <configuration> | ||
| <verbose>false</verbose> | ||
| <showTree>false</showTree> | ||
| <entryPoint>oncrpcv2Specification</entryPoint> | ||
| <grammarName>oncrpcv2</grammarName> | ||
| <packageName></packageName> | ||
| <exampleFiles>examples/</exampleFiles> | ||
| </configuration> | ||
| <executions> | ||
| <execution> | ||
| <goals> | ||
| <goal>test</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </project> |
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| grammar xdr; | ||
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| // parser rules | ||
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| declaration: | ||
| typeSpecifier IDENTIFIER | ||
| | typeSpecifier IDENTIFIER '[' value ']' | ||
| | typeSpecifier IDENTIFIER '<' value? '>' | ||
| | 'opaque' IDENTIFIER '[' value ']' | ||
| | 'opaque' IDENTIFIER '<' value? '>' | ||
| | 'string' IDENTIFIER '<' value? '>' | ||
| | typeSpecifier '*' IDENTIFIER | ||
| | 'void' | ||
| ; | ||
| value: constant | IDENTIFIER; | ||
| constant: DECIMAL | HEXADECIMAL | OCTAL; | ||
| typeSpecifier: | ||
| 'unsigned'? 'int' | ||
| | 'unsigned'? 'hyper' | ||
| | 'float' | ||
| | 'double' | ||
| | 'quadruple' | ||
| | 'bool' | ||
| | enumTypeSpec | ||
| | structTypeSpec | ||
| | unionTypeSpec | ||
| | IDENTIFIER | ||
| ; | ||
| enumTypeSpec: 'enum' enumBody; | ||
| enumBody: '{' (IDENTIFIER '=' value) (',' IDENTIFIER '=' value)* '}'; | ||
| structTypeSpec: 'struct' structBody; | ||
| structBody: '{' (declaration ';') (declaration ';')* '}'; | ||
| unionTypeSpec: 'union' unionBody; | ||
| unionBody: 'switch' '(' declaration ')' '{' | ||
| caseSpec | ||
| caseSpec* | ||
| ('default' ':' declaration ';')? | ||
| '}'; | ||
| caseSpec: ('case' value ':') ('case' value ':')* declaration ';'; | ||
| constantDef: 'const' IDENTIFIER '=' constant ';'; | ||
| typeDef: | ||
| 'typedef' declaration ';' | ||
| | 'enum' IDENTIFIER enumBody ';' | ||
| | 'struct' IDENTIFIER structBody ';' | ||
| | 'union' IDENTIFIER unionBody ';' | ||
| ; | ||
| definition: typeDef | constantDef; | ||
| xdrSpecification: definition+; //this is the top level rule for xdr (rfc 4506) | ||
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| // lexer rules | ||
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| COMMENT : '/*' .*? '*/' -> skip; | ||
| OCTAL : '0' [1-7] ([0-7])*; | ||
| DECIMAL : ('-')? ([0-9])+; | ||
| HEXADECIMAL : '0x' ([a-fA-F0-9])+; | ||
| IDENTIFIER : [a-zA-Z] ([a-zA-Z0-9_])*; | ||
| WS : [ \t\r\n]+ -> skip; |
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