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java.lang.Objectfr.umlv.tatoo.cc.parser.lalr.LALRTableFactoryMethod
public class LALRTableFactoryMethod
| Constructor Summary | |
|---|---|
LALRTableFactoryMethod()
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| Method Summary | |
|---|---|
Grammar |
buildGrammar(Collection<? extends ProductionDecl> productions,
Set<? extends NonTerminalDecl> starts,
TerminalDecl eof)
builds the augmented grammar |
LR0Item |
createStartItem(ProductionDecl production,
TerminalDecl eof)
Create the kernel item for the start states |
NodeClosureComputer<LR0Item> |
getClosureComputer(Grammar grammar,
GrammarSets grammarSets,
TerminalDecl eof)
Returns the closure computer for this method |
Set<TerminalDecl> |
getLookaheads(Grammar g,
GrammarSets sets,
LR0Item item,
NodeDecl<LR0Item> node)
returns the set of lookahead corresponding to a reduce action by item |
void |
initializeComputation(NodeFactory<LR0Item> factory,
Grammar grammar,
GrammarSets grammarSets,
TerminalDecl eof)
Initialize some computation (for LALR) |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public LALRTableFactoryMethod()
| Method Detail |
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public Grammar buildGrammar(Collection<? extends ProductionDecl> productions,
Set<? extends NonTerminalDecl> starts,
TerminalDecl eof)
TableFactoryMethod
buildGrammar in interface TableFactoryMethod<LR0Item>productions - list of productionsstarts - list of startseof - terminal eof
public void initializeComputation(NodeFactory<LR0Item> factory,
Grammar grammar,
GrammarSets grammarSets,
TerminalDecl eof)
TableFactoryMethod
initializeComputation in interface TableFactoryMethod<LR0Item>factory - the factory used to build nodesgrammar - the grammargrammarSets - grammarSets first and follow sets corresponding the grammareof - the end of file terminal
public NodeClosureComputer<LR0Item> getClosureComputer(Grammar grammar,
GrammarSets grammarSets,
TerminalDecl eof)
TableFactoryMethod
getClosureComputer in interface TableFactoryMethod<LR0Item>grammar - the grammargrammarSets - the grammar setseof - the end of file terminal
public Set<TerminalDecl> getLookaheads(Grammar g,
GrammarSets sets,
LR0Item item,
NodeDecl<LR0Item> node)
TableFactoryMethod
getLookaheads in interface TableFactoryMethod<LR0Item>g - the grammarsets - nullable, first and follow sets corresponding to gitem - the item to reduce bynode - the node
public LR0Item createStartItem(ProductionDecl production,
TerminalDecl eof)
TableFactoryMethod
createStartItem in interface TableFactoryMethod<LR0Item>production - the starting productioneof - the end of file terminal
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