Class
Interface
Statements
Expressions
| Code Block | ||
|---|---|---|
| ||
Statement ::= ( StatementBlock | IfStatement | SwitchStatement | WhileStatement | DoWhileStatement | ForStatement | ForEachStatement
| VariableStatement | ConstructorStatement | ExpressionStatement | BreakStatement | ContinueStatement | ReturnStatement ).
StatementBlock ::= "{" (Statement)* "}".
IfStatement ::= "if" "(" Expression ")" Statement ("else" Statement)?.
SwitchStatement ::= "switch" "(" Expression ")" "{" ("case" Expression ":" (Statement)*)* ("default" ":" (Statement)*)? "}"
WhileStatement ::= "while" "(" Expression ")" Statement.
DoWhileStatement ::= "do" Statement "while" "(" Expression ")" ";".
ForStatement ::= "for" "(" VariableDeclaration ";" Expression ";" Expression ")" Statement.
ForEachStatement ::= "for" "(" VariableDeclaration ":" Expression ")" Statement.
VariableStatement ::= VariableDeclaration VariableInit ";".
ConstructorStatement ::= ("super" | "this") "(" (ArgsList)? ")" ";".
ExpressionStatement ::= Expression ";".
BreakStatement ::= "break" ";".
ContinueStatement ::= "continue" ";".
ReturnStatement ::= "return" (Expression)? ";". |
| Code Block | ||
|---|---|---|
| ||
int i = 2;
if (i>2) {
}
switch(i) {
case 2 :
return true;
case 4 :
return true;
default :
return false;
}
while (i>2) {
}
do {
} while (i>2);
for (int j = 0; j<10; j++) {
}
List list = [1,2,3];
for (Object element : list) {
} |
Expressions
| Code Block | ||
|---|---|---|
| ||
Expression ::= ( AssignmentExpression | LogicalExpression | EqualityExpression | ArithmeticExpression | UnaryExpression | CastExpression
| PrefixExpression | PostfixExpression | InstanceOfExpression | CreateExpression | AttributeExpression | MethodExpression
| ArrayExpression | "this" | "super" | ID | LiteralExpression | ("(" Expression ")").
AssignmentExpression ::= Expression ("=" | "+=" | "-=" | "*=" | "/=" | "%=") Expression.
LogicalExpression ::= Expression ("&&" | "||") Expression.
EqualityExpression ::= Expression ("==" | "!=" | ">" | ">=" | "<" | "<=") Expression.
ArithmeticExpression ::= Expression ("+" | "-" | "*" | "/"| "%") Expression.
UnaryExpression ::= ("+" | "-" | "!") Expression.
CastExpression ::= "(" Type ")" Expression.
PrefixExpression ::= ("++" | "--") Expression.
PostfixExpression ::= Expression ("++" | "--").
InstanceOfExpression ::= Expression "instanceof" Type.
NewExpression ::= "new" QName (("[" "]") | (("(" (ArgsList)? ")")? ("{" ArgsMap "}")?)).
MemberCallExpression ::= (Expression ".")? ID ("(" (ArgsList)? ")")?.
ArrayExpression ::= Expression ("[" ArgsList "]")+.
LiteralExpression ::= Integer | Double | Boolean | Char | String | Range | List | Map | Null
VariableInit ::= ((("(" (ArgsList)? ")")? ("{" ArgsMap "}")?) | ("=" Expression)).
ArgsList ::= Expression ("," Expression)*.
ArgsMap ::= ArgsMapKeyValue ("," ArgsMapKeyValue)*.
ArgsMapKeyValue ::= ID "=" Expression |
Metadata
| Code Block | ||
|---|---|---|
| ||
Metadata ::= ID "=" MetadataValue.
MetadataValue ::= MetadataValueSingle | MetadataValueList | MetadataValueMap.
MetadataValueSingle ::= INTEGER | Double | CHAR | STRING | BOOLEAN | QName.
MetadataValueList ::= "[" (MetadataValue ("," MetadataValue)*)? "]".
MetadataValueMap ::= "[" (MetadataValueMapEntry ("," MetadataValueMapEntry)*)? "]".
MetadataValueMapEntry ::= MetadataValue ":" MetadataValue. |
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