public class JavaWhileRule extends java.lang.Object implements GrammaticalRuleI
while(x<10) x=x+1;
<JavaWhileRule> ::= <while> <open> <expression> <close> <statement>A successful parse will return a
LoopNode
.Constructor and Description |
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JavaWhileRule(SymbolToken whileToken,
SymbolToken open,
GrammaticalRuleI expression,
SymbolToken close,
GrammaticalRuleI statement) |
Modifier and Type | Method and Description |
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void |
init(Jep jep)
Delayed initialisation, this methods is called whenever components of the jep instance are changed.
|
Node |
match(Lookahead2Iterator<Token> it,
GrammarParser parser)
Attempt to parse the input using the rule
|
public JavaWhileRule(SymbolToken whileToken, SymbolToken open, GrammaticalRuleI expression, SymbolToken close, GrammaticalRuleI statement)
whileToken
- token for the while symbolopen
- opening bracketexpression
- rule to parse an expressionclose
- closing bracketstatement
- rule to parse an statementpublic Node match(Lookahead2Iterator<Token> it, GrammarParser parser) throws ParseException
GrammaticalRuleI
match
in interface GrammaticalRuleI
match
in interface GrammarMatcher
it
- iterator with tokens to parseparser
- the parser to parse any components of the ruleParseException
- if there is a syntactical errorpublic void init(Jep jep)
GrammarMatcher
init
in interface GrammarMatcher
jep
- the current jep instance.Copyright © 2018 Singular Systems http://www.singularsys.com/jep