Revision 430770b0fb499a65fbdd0371c281303647db9bd9 authored by dependabot[bot] on 11 April 2022, 20:06:33 UTC, committed by GitHub on 11 April 2022, 20:06:33 UTC
Bumps `antlr.version` from 4.9.3 to 4.10. Updates `antlr4-runtime` from 4.9.3 to 4.10 - [Release notes](https://github.com/antlr/antlr4/releases) - [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt) - [Commits](https://github.com/antlr/antlr4/compare/4.9.3...4.10) Updates `antlr4-maven-plugin` from 4.9.3 to 4.10 - [Release notes](https://github.com/antlr/antlr4/releases) - [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt) - [Commits](https://github.com/antlr/antlr4/compare/4.9.3...4.10) Updates `antlr4` from 4.9.3 to 4.10 - [Release notes](https://github.com/antlr/antlr4/releases) - [Changelog](https://github.com/antlr/antlr4/blob/master/CHANGES.txt) - [Commits](https://github.com/antlr/antlr4/compare/4.9.3...4.10) --- updated-dependencies: - dependency-name: org.antlr:antlr4-runtime dependency-type: direct:production update-type: version-update:semver-minor - dependency-name: org.antlr:antlr4-maven-plugin dependency-type: direct:production update-type: version-update:semver-minor - dependency-name: org.antlr:antlr4 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
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krl.g4
grammar krl;
/*
This file is the grammar for the KUKA Robot Language.
Copyright (C) 2010-2011 Jan Schlößin
This grammar is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
Antlr4 port by Tom Everett, 2016
*/
module
: (moduleData | moduleRoutines) EOF
;
moduleRoutines
: mainRoutine (subRoutine | NEWLINE)*
;
mainRoutine
: procedureDefinition
| functionDefinition
;
subRoutine
: procedureDefinition
| functionDefinition
;
procedureDefinition
: GLOBAL? DEF procedureName formalParameters NEWLINE routineBody END
;
procedureName
: IDENTIFIER
;
functionDefinition
: GLOBAL? DEFFCT type_ functionName formalParameters NEWLINE routineBody ENDFCT
;
functionName
: IDENTIFIER
;
moduleData
: DEFDAT moduleName PUBLIC? NEWLINE dataList ENDDAT NEWLINE*
;
moduleName
: IDENTIFIER
;
dataList
: (NEWLINE | forwardDeclaration NEWLINE | typeDeclaration NEWLINE | variableDeclarationInDataList NEWLINE | arrayInitialisation NEWLINE | importStatement NEWLINE)*
;
arrayInitialisation
: IDENTIFIER arrayVariableSuffix '=' unaryPlusMinuxExpression
;
typeDeclaration
: structureDefinition
| enumDefinition
;
structureDefinition
: GLOBAL? STRUC typeName type_ variableName variableListRest (',' type_ variableName variableListRest)*
;
enumDefinition
: GLOBAL? ENUM typeName enumValue (',' enumValue)*
;
enumValue
: IDENTIFIER
;
variableDeclaration
: DECL? (type_ variableName variableListRest | signalDeclaration)
;
signalDeclaration
: SIGNAL IDENTIFIER primary (TO primary)?
;
variableDeclarationInDataList
: DECL? GLOBAL? CONST? (type_ variableName (variableListRest | variableInitialisation) | signalDeclaration)
;
variableListRest
: (',' variableName)*
;
variableInitialisation
: '=' unaryPlusMinuxExpression
;
structLiteral
: '{' (typeName ':')? structElementList '}'
;
structElementList
: structElement (',' structElement)*
;
structElement
: variableName unaryPlusMinuxExpression
;
formalParameters
: '(' (parameter (',' parameter)*)? ')'
;
parameter
: variableName (parameterCallType)?
;
routineBody
: routineDataSection routineImplementationSection
;
routineDataSection
: (forwardDeclaration NEWLINE | variableDeclaration NEWLINE | (NEWLINE) NEWLINE | importStatement NEWLINE)*
;
forwardDeclaration
: EXT procedureName formalParametersWithType
| EXTFCT type_ functionName formalParametersWithType
;
formalParametersWithType
: '(' (parameterWithType (',' parameterWithType)*)? ')'
;
parameterWithType
: type_ (parameterCallType)?
;
parameterCallType
: ':' IDENTIFIER
;
importStatement
: IMPORT type_ variableName IS '/R1/' moduleName '..' variableName
;
variableName
: IDENTIFIER (arrayVariableSuffix)?
;
// expression in arrays are optional: a string literal can be assigned to a char array as a whole
arrayVariableSuffix
: '[' (expression (',' (expression (',' expression?)?)?)?)? ']'
;
routineImplementationSection
: statementList
;
statementList
: statement*
;
statement
: CONTINUE NEWLINE
| EXIT NEWLINE
| FOR IDENTIFIER '=' expression TO expression (IDENTIFIER expression)? NEWLINE statementList ENDFOR
| GOTO IDENTIFIER NEWLINE
| HALT NEWLINE
| IF expression THEN NEWLINE statementList (ELSE NEWLINE statementList)? ENDIF NEWLINE
| LOOP NEWLINE statementList ENDLOOP NEWLINE
| REPEAT NEWLINE statementList UNTIL expression NEWLINE
| SWITCH expression NEWLINE switchBlockStatementGroups ENDSWITCH NEWLINE
| WAIT FOR expression NEWLINE
| WAIT SEC expression NEWLINE
| WHILE expression NEWLINE statementList ENDWHILE NEWLINE
| RETURN (assignmentExpression)? NEWLINE
| BRAKE (IDENTIFIER)? NEWLINE
| assignmentExpression NEWLINE
| IDENTIFIER ':' NEWLINE
| NEWLINE
| GLOBAL? INTERRUPT DECL primary WHEN expression DO assignmentExpression NEWLINE
| INTERRUPT IDENTIFIER primary? NEWLINE
| (PTP | PTP_REL) geometricExpression (C_PTP (C_DIS | C_ORI | C_VEL)?)? NEWLINE
| LIN geometricExpression (C_DIS | C_ORI | C_VEL)? NEWLINE
| LIN_REL geometricExpression (C_DIS | C_ORI | C_VEL)? enumElement? NEWLINE
| (CIRC | CIRC_REL) geometricExpression ',' geometricExpression (',' IDENTIFIER primary)? (C_DIS | C_ORI | C_VEL)? NEWLINE
| TRIGGER WHEN (IDENTIFIER) '=' expression DELAY '=' expression DO assignmentExpression (PRIO '=' expression)? NEWLINE
| analogInputStatement NEWLINE
| analogOutputStatement NEWLINE
;
analogOutputStatement
: ANOUT (IDENTIFIER assignmentExpression (IDENTIFIER '=' literal)* | IDENTIFIER IDENTIFIER)
;
analogInputStatement
: ANIN (IDENTIFIER assignmentExpression | IDENTIFIER IDENTIFIER)
;
switchBlockStatementGroups
: NEWLINE* (caseLabel statementList) + (defaultLabel statementList)?
;
caseLabel
: CASE expression (',' expression)* NEWLINE
;
defaultLabel
: DEFAULT NEWLINE
;
expressionList
: assignmentExpression (',' assignmentExpression)*
;
assignmentExpression
: expression ('=' expression)*
;
expression
: conditionalOrExpression (relationalOp conditionalOrExpression)*
;
relationalOp
: '=='
| '<>'
| '<='
| '>='
| '<'
| '>'
;
conditionalOrExpression
: exclusiveOrExpression ((OR | B_OR) exclusiveOrExpression)*
;
exclusiveOrExpression
: conditionalAndExpression ((EXOR | B_EXOR) conditionalAndExpression)*
;
conditionalAndExpression
: additiveExpression ((AND | B_AND) additiveExpression)*
;
additiveExpression
: multiplicativeExpression (('+' | '-') multiplicativeExpression)*
;
multiplicativeExpression
: geometricExpression (('*' | '/') geometricExpression)*
;
geometricExpression
: unaryNotExpression (':' unaryNotExpression)*
;
unaryNotExpression
: NOT unaryNotExpression
| B_NOT unaryNotExpression
| unaryPlusMinuxExpression
;
unaryPlusMinuxExpression
: '+' unaryPlusMinuxExpression
| '-' unaryPlusMinuxExpression
| primary
;
primary
: parExpression
| variableName ('.' variableName)* (arguments)?
| literal
;
parExpression
: '(' assignmentExpression ')'
;
type_
: primitiveType ('[' (INTLITERAL)? ']')?
| typeName ('[' (INTLITERAL)? ']')?
;
typeName
: IDENTIFIER
;
primitiveType
: BOOL
| CHAR
| INT
| REAL
;
arguments
: '(' (expressionList)? ')'
;
literal
: INTLITERAL
| FLOATLITERAL
| CHARLITERAL
| STRINGLITERAL
| structLiteral
| TRUE
| FALSE
| enumElement
;
enumElement
: '#' IDENTIFIER
;
AND
: A N D
;
ANIN
: A N I N
;
ANOUT
: A N O U T
;
B_AND
: B '_' A N D
;
B_NOT
: B '_' N O T
;
B_OR
: B '_' O R
;
B_EXOR
: B '_' E X O R
;
BOOL
: B O O L
;
BRAKE
: B R A K E
;
C_DIS
: C '_' D I S
;
C_ORI
: C '_' O R I
;
C_PTP
: C '_' P T P
;
C_VEL
: C '_' V E L
;
CASE
: C A S E
;
CAST_FROM
: C A S T '_' F R O M
;
CAST_TO
: C A S T '_' T O
;
CHAR
: C H A R
;
CIRC_REL
: C I R C '_' R E L
;
CIRC
: C I R C
;
CONST
: C O N S T
;
CONTINUE
: C O N T I N U E
;
DELAY
: D E L A Y
;
DECL
: D E C L
;
DEF
: D E F
;
DEFAULT
: D E F A U L T
;
DEFDAT
: D E F D A T
;
DEFFCT
: D E F F C T
;
DO
: D O
;
ELSE
: E L S E
;
END
: E N D
;
ENDDAT
: E N D D A T
;
ENDFCT
: E N D F C T
;
ENDFOR
: E N D F O R
;
ENDIF
: E N D I F
;
ENDLOOP
: E N D L O O P
;
ENDSWITCH
: E N D S W I T C H
;
ENDWHILE
: E N D W H I L E
;
ENUM
: E N U M
;
EXIT
: E X I T
;
EXT
: E X T
;
EXTFCT
: E X T F C T
;
FALSE
: F A L S E
;
FOR
: F O R
;
GLOBAL
: G L O B A L
;
GOTO
: G O T O
;
HALT
: H A L T
;
IF
: I F
;
IMPORT
: I M P O R T
;
INTERRUPT
: I N T E R R U P T
;
INT
: I N T
;
IS
: I S
;
LIN_REL
: L I N '_' R E L
;
LIN
: L I N
;
LOOP
: L O O P
;
MAXIMUM
: M A X I M U M
;
MINIMUM
: M I N I M U M
;
NOT
: N O T
;
OR
: O R
;
PRIO
: P R I O
;
PTP_REL
: P T P '_' R E L
;
PTP
: P T P
;
PUBLIC
: P U B L I C
;
REAL
: R E A L
;
REPEAT
: R E P E A T
;
RETURN
: R E T U R N
;
SEC
: S E C
;
SIGNAL
: S I G N A L
;
STRUC
: S T R U C
;
SWITCH
: S W I T C H
;
THEN
: T H E N
;
TO
: T O
;
TRIGGER
: T R I G G E R
;
TRUE
: T R U E
;
UNTIL
: U N T I L
;
WAIT
: W A I T
;
WHEN
: W H E N
;
WHILE
: W H I L E
;
EXOR
: E X O R
;
fragment A
: ('a' | 'A')
;
fragment B
: ('b' | 'B')
;
fragment C
: ('c' | 'C')
;
fragment D
: ('d' | 'D')
;
fragment E
: ('e' | 'E')
;
fragment F
: ('f' | 'F')
;
fragment G
: ('g' | 'G')
;
fragment H
: ('h' | 'H')
;
fragment I
: ('i' | 'I')
;
fragment J
: ('j' | 'J')
;
fragment K
: ('k' | 'K')
;
fragment L
: ('l' | 'L')
;
fragment M
: ('m' | 'M')
;
fragment N
: ('n' | 'N')
;
fragment O
: ('o' | 'O')
;
fragment P
: ('p' | 'P')
;
fragment Q
: ('q' | 'Q')
;
fragment R
: ('r' | 'R')
;
fragment S
: ('s' | 'S')
;
fragment T
: ('t' | 'T')
;
fragment U
: ('u' | 'U')
;
fragment V
: ('v' | 'V')
;
fragment W
: ('w' | 'W')
;
fragment X
: ('x' | 'X')
;
fragment Y
: ('y' | 'Y')
;
fragment Z
: ('z' | 'Z')
;
HEADERLINE
: '&' ~ ('\n' | '\r')* ('\r\n' | '\r' | '\n' | EOF) -> skip
;
WS
: (' ' | '\t' | '\u000C') -> skip
;
NEWLINE
: '\r'? '\n'
;
LINE_COMMENT
: ';' ~ ('\n' | '\r')* -> skip
;
CHARLITERAL
: '\'' (EscapeSequence | ~ ('\'' | '\\' | '\r' | '\n')) '\''
;
STRINGLITERAL
: '"' (EscapeSequence | ~ ('\\' | '"' | '\r' | '\n'))* '"'
;
fragment EscapeSequence
: '\\' ('b' | 't' | 'n' | 'f' | 'r' | '"' | '\'' | '\\' | ('0' .. '3') ('0' .. '7') ('0' .. '7') | ('0' .. '7') ('0' .. '7') | ('0' .. '7'))
;
FLOATLITERAL
: ('0' .. '9') + '.' ('0' .. '9')* Exponent? | '.' ('0' .. '9') + Exponent? | ('0' .. '9') + Exponent
;
fragment Exponent
: E ('+' | '-')? ('0' .. '9') +
;
INTLITERAL
: ('0' .. '9') + | HexPrefix HexDigit + HexSuffix | BinPrefix BinDigit + BinSuffix
;
fragment HexPrefix
: '\'' H
;
fragment HexDigit
: ('0' .. '9' | 'a' .. 'f' | 'A' .. 'F')
;
fragment HexSuffix
: '\''
;
fragment BinPrefix
: '\'' B
;
fragment BinDigit
: ('0' | '1')
;
fragment BinSuffix
: '\''
;
IDENTIFIER
: IdentifierStart IdentifierPart*
;
fragment IdentifierStart
: 'a' .. 'z' | 'A' .. 'Z' | '_' | '$'
;
fragment IdentifierPart
: IdentifierStart | '0' .. '9'
;
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