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day01/sfbx-framework/framework-rule-base/dsl/RuleLexer.g4
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lexer grammar RuleLexer;
COUNT : 'count';
AVG : 'avg';
SUM : 'sum';
MAX : 'max';
MIN : 'min';
AND : 'and'|'&&'|','|'\u5e76\u4e14'|'\u4e14';
OR : 'or'|'||'|'\u6216\u8005'|'\u6216';
Datatype : 'String'
| 'int'
| 'Integer'
| 'double'
| 'Double'
| 'long'
| 'Long'
| 'float'
| 'Float'
| 'BigDecimal'
| 'boolean'
| 'Boolean'
| 'Date'
| 'List'
| 'Set'
| 'Map'
| 'Enum'
| 'Object'
;
GreaterThen : '>'|'\u5927\u4e8e';
GreaterThenOrEquals : '>='|'\u5927\u4e8e\u7b49\u4e8e';
LessThen : '<'|'\u5c0f\u4e8e';
LessThenOrEquals : '<='|'\u5c0f\u4e8e\u7b49\u4e8e';
Equals : '=='|'\u7b49\u4e8e';
NotEquals : '!='|'\u4e0d\u7b49\u4e8e';
EndWith : 'EndWith'|'\u7ed3\u675f\u4e8e';
NotEndWith : 'NotEndWith'|'\u4e0d\u7ed3\u675f\u4e8e' ;
StartWith : 'StartWith'|'\u5f00\u59cb\u4e8e';
NotStartWith : 'NotStartWith'|'\u4e0d\u5f00\u59cb\u4e8e';
In : 'In'|'\u5728\u96c6\u5408\u4e2d';
NotIn : 'NotIn'|'\u4e0d\u5728\u96c6\u5408\u4e2d';
Match : 'Match'|'\u5339\u914d';
NotMatch : 'NotMatch'|'\u4e0d\u5339\u914d';
EqualsIgnoreCase : 'EqualsIgnoreCase'|'\u5ffd\u7565\u5927\u5c0f\u5199\u7b49\u4e8e';
NotEqualsIgnoreCase : 'NotEqualsIgnoreCase'|'\u5ffd\u7565\u5927\u5c0f\u5199\u4e0d\u7b49\u4e8e';
ARITH
:
'+'
| '-'
| '*'
| '/'
| '%'
;
NUMBER
:
'-'? INT '.' INT EXP? // ('-'? INT '.' INT EXP?)1.35, 1.35E-9, 0.3, -4.5
| '-'? INT EXP // 1e10 -3e4
| '-'? INT // -3, 45
;
Boolean : 'true'
| 'false'
;
Identifier
:
StartChar Char*
;
STRING :
'"' STRING_CONTENT '"'
;
fragment
STRING_CONTENT :
( EscapeSequence | ~('"'))*
;
fragment
INT
:
DIGIT+
;
fragment
EXP
:
[Ee] [+\-]? INT
; // \- since - means "range" inside [...]
fragment
EscapeSequence
: '\\' ('b'|'t'|'n'|'f'|'r'|'\"'|'\''|'\\')
| UnicodeEscape
| OctalEscape
;
fragment
OctalEscape
: '\\' ('0'..'3') ('0'..'7') ('0'..'7')
| '\\' ('0'..'7') ('0'..'7')
| '\\' ('0'..'7')
;
fragment
UnicodeEscape
:
'\\' 'u' HEX HEX HEX HEX
;
fragment
Char : StartChar
| '-' | '_' | DIGIT
| '\u00B7'
| '\u0300'..'\u036F'
| '\u203F'..'\u2040'
;
fragment
StartChar
: [a-zA-Z]
| '\u2070'..'\u218F'
| '\u2C00'..'\u2FEF'
| '\u3001'..'\uD7FF'
| '\uF900'..'\uFDCF'
| '\uFDF0'..'\uFFFD'
;
fragment
DIGIT
:
[0-9]
;
fragment
HEX
:
[0-9a-fA-F]
;
WS
:
[ \t\r\n]+ -> channel(HIDDEN)
;
NL
:
'\r'? '\n' ->channel(HIDDEN)
;
COMMENT
: '/*' .*? '*/' ->channel(HIDDEN);
LINE_COMMENT
: '//' ~[\r\n]* '\r'? '\n' ->channel(HIDDEN)
;
day01/sfbx-framework/framework-rule-base/dsl/RuleParser.g4
+255
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grammar RuleParser;
import RuleLexer;
ruleSet : ruleSetHeader
ruleSetBody
;
ruleSetHeader : resource*
| functionImport*
| resource* functionImport*
| functionImport* resource*
;
ruleSetBody : rules* ;
rules : ruleDef | loopRuleDef ;
functionImport : 'import' packageDef';'?;
packageDef : Identifier
| Identifier('.'Identifier)+
| packageDef'.*';
resource : importVariableLibrary
| importActionLibrary
| importConstantLibrary
| importParameterLibrary
;
importParameterLibrary : 'importParameterLibrary' STRING ';'?;
importVariableLibrary : 'importVariableLibrary' STRING ';'?;
importConstantLibrary : 'importConstantLibrary' STRING ';'?;
importActionLibrary : 'importActionLibrary' STRING ';'?;
functionDef : 'function' Identifier '(' functionParameters? ')' '{' expressionBody '}'';'?;
functionParameters : functionParameter (','functionParameter)* ;
functionParameter : Datatype Identifier ;
ruleDef : ('rule'|'\u89c4\u5219') STRING
attribute*
left
right
other?
('end'|'\u7ed3\u675f') ';'?
;
loopRuleDef : ('loopRule' | '\u5faa\u73af\u89c4\u5219') STRING
attribute*
loopTarget
loopStart?
left
right
other?
loopEnd?
('end'|'\u7ed3\u675f') ';'?
;
loopTarget : ('loopTarget' | '\u5faa\u73af\u5bf9\u8c61') complexValue ;
loopStart : ('loopStart' | '\u5f00\u59cb\u524d\u52a8\u4f5c') action* ;
loopEnd : ('loopEnd' | '\u7ed3\u675f\u540e\u52a8\u4f5c') action*;
attribute :loopAttribute
| salienceAttribute
| effectiveDateAttribute
| expiresDateAttribute
| enabledAttribute
| debugAttribute
| activationGroupAttribute
| agendaGroupAttribute
| autoFocusAttribute
| ruleflowGroupAttribute
;
loopAttribute : ('loop' | '\u5141\u8bb8\u5faa\u73af\u89e6\u53d1') '=' Boolean ','?;
salienceAttribute : ('salience' | '\u4f18\u5148\u7ea7') '=' NUMBER ','?;
effectiveDateAttribute : ('effective-date' | '\u751f\u6548\u65f6\u95f4' | '\u751f\u6548\u65e5\u671f') '=' STRING ','?;
expiresDateAttribute : ('expires-date' | '\u5931\u6548\u65f6\u95f4' | '\u5931\u6548\u65e5\u671f') '=' STRING ','?;
enabledAttribute : ('enabled' | '\u6fc0\u6d3b' | '\u542f\u7528') '=' Boolean ','?;
debugAttribute : ('debug' | '\u8c03\u8bd5' | '\u5141\u8bb8\u8c03\u8bd5') '=' Boolean ','?;
activationGroupAttribute : ('activation-group' | '\u6fc0\u6d3b\u7ec4') '=' STRING ','? ;
agendaGroupAttribute : ('agenda-group' | '\u8bae\u7a0b\u7ec4') '=' STRING ','? ;
autoFocusAttribute : ('auto-focus' | '\u81ea\u52a8\u83b7\u53d6\u7126\u70b9') '=' Boolean ','?;
ruleflowGroupAttribute : ('ruleflow-group' | '\u89c4\u5219\u6d41\u7ec4') '=' STRING ','?;
left :
('if'|'\u5982\u679c')
condition?
;
condition : leftParen condition rightParen #parenConditions
| condition (join condition)+ #multiConditions
| conditionLeft op (complexValue|nullValue) #singleCondition
| namedConditionSet #singleNamedConditionSet
;
namedConditionSet : (refName colon)? refObject leftParen namedCondition rightParen;
namedCondition : leftParen namedCondition rightParen #parenNamedConditions
| namedCondition (join namedCondition)+ #multiNamedConditions
| property op (complexValue|nullValue) #singleNamedConditions
;
decisionTableCellCondition : op (complexValue|nullValue) #singleCellCondition
| decisionTableCellCondition (join decisionTableCellCondition)+ #multiCellConditions
| leftParen decisionTableCellCondition rightParen #parenCellConditions
;
refName : Identifier ;
refObject : variableCategory | parameterName ;
nullValue : 'null';
conditionLeft : (variable|parameter|functionInvoke|methodInvoke|expEval|expAll|expExists|expCollect|commonFunction) (ARITH value)* ;
expEval : 'eval'leftParen expressionBody rightParen;
expAll : 'all'leftParen
(variable|parameter)
',' exprCondition
(',' (NUMBER|percent))?
rightParen;
expExists : 'exist'leftParen
(variable|parameter)
',' exprCondition
(',' (NUMBER|percent))?
rightParen;
expCollect : 'collect'leftParen
(variable|parameter)
(',' exprCondition)?
rightParen
'.'
( COUNT | property'.'(SUM|AVG|MAX|MIN))
;
commonFunction : Identifier leftParen complexValue(','property)? rightParen ;
exprCondition : property op (complexValue|nullValue)
| exprCondition (join exprCondition)+
;
expressionBody : .*? ;
percent : NUMBER'%';
leftParen : '(';
rightParen : ')';
colon : ':';
join :
AND
| OR
;
right : ('then'|'\u90a3\u4e48')
action*
;
other : ('else'|'\u5426\u5219')
action*
;
actions : action*;
action : assignAction ';'?
| outAction ';'?
| methodInvoke ';'?
| functionInvoke ';'?
| commonFunction ';'?
;
assignAction : (variable|namedVariable|parameter) '=' complexValue;
outAction : 'out''(' complexValue ')';
methodInvoke : beanMethod'('actionParameters?')';
functionInvoke : '@'Identifier'(' actionParameters? ')';
actionParameters : complexValue (',' complexValue)* ;
beanMethod : Identifier'.'Identifier ;
complexValue : value
| variable
| namedVariable
| constant
| variableCategory
| parameter
| methodInvoke
| functionInvoke
| commonFunction
| leftParen complexValue rightParen
| complexValue (ARITH complexValue)+
;
parameter : parameterName'.'Identifier;
parameterName : 'parameter'|'\u53c2\u6570' ;
constant : constantCategory'.'property;
variable : variableCategory'.'property;
namedVariable : namedVariableCategory'.'property;
property : Identifier('.'Identifier)*;
variableCategory : Identifier;
namedVariableCategory : '!'Identifier;
constantCategory : '$'Identifier;
value :
STRING
| NUMBER
| Boolean
;
op
:
GreaterThen
| GreaterThenOrEquals
| LessThen
| LessThenOrEquals
| Equals
| NotEquals
| EndWith
| NotEndWith
| StartWith
| NotStartWith
| In
| NotIn
| Match
| NotMatch
| EqualsIgnoreCase
| NotEqualsIgnoreCase
;