Package | Description |
---|---|
org.camunda.bpm.engine.impl.juel |
Modifier and Type | Method and Description |
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protected AstNode |
Parser.add(boolean required)
add := add (<PLUS> mul | <MINUS> mul)*
|
protected AstNode |
Parser.and(boolean required)
and := eq (<AND> eq)*
|
protected AstNode |
Parser.cmp(boolean required)
cmp := add (<LT> add | <LE> add | <GE> add | <GT> add)*
|
protected Scanner.Token |
Parser.consumeToken()
consume current token (get next token).
|
protected Scanner.Token |
Parser.consumeToken(Scanner.Symbol expected)
consume current token (get next token); throw exception if the current token doesn't
match the expected symbol.
|
protected AstNode |
Parser.eq(boolean required)
eq := cmp (<EQ> cmp | <NE> cmp)*
|
protected AstEval |
Parser.eval()
eval := dynamic | deferred
|
protected AstEval |
Parser.eval(boolean required,
boolean deferred)
dynmamic := <START_EVAL_DYNAMIC> expr <END_EVAL>
deferred := <START_EVAL_DEFERRED> expr <END_EVAL>
|
protected AstNode |
Parser.expr(boolean required)
expr := or (<QUESTION> expr <COLON> expr)?
|
protected void |
Parser.fail(Scanner.Symbol expected)
throw exception
|
protected void |
Parser.fail(String expected)
throw exception
|
protected AstNode |
Parser.literal()
literal := <TRUE> | <FALSE> | <STRING> | <INTEGER> | <FLOAT> | <NULL>
|
protected Scanner.Token |
Parser.lookahead(int index)
get lookahead symbol.
|
protected AstNode |
Parser.mul(boolean required)
mul := unary (<MUL> unary | <DIV> unary | <MOD> unary)*
|
protected AstNode |
Parser.nonliteral()
nonliteral := <IDENTIFIER> | function | <LPAREN> expr <RPAREN>
function := (<IDENTIFIER> <COLON>)? <IDENTIFIER> <LPAREN> list? <RPAREN>
|
protected AstNode |
Parser.or(boolean required)
or := and (<OR> and)*
|
protected AstParameters |
Parser.params()
params := <LPAREN> (expr (<COMMA> expr)*)? <RPAREN>
|
protected Number |
Parser.parseFloat(String string)
Parse a floating point literal.
|
protected Number |
Parser.parseInteger(String string)
Parse an integer literal.
|
protected AstNode |
Parser.text()
text := <TEXT>
|
Tree |
Parser.tree()
tree := text? ((dynamic text?)+ | (deferred text?)+)?
|
protected AstNode |
Parser.unary(boolean required)
unary := <NOT> unary | <MINUS> unary | <EMPTY> unary | value
|
protected AstNode |
Parser.value()
value := (nonliteral | literal) (<DOT> <IDENTIFIER> | <LBRACK> expr <RBRACK>)*
|
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