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Loyc.LLParserGenerator.RuleRef Class Reference

Represents a nonterminal, which is a reference to a rule. More...


Source file:
Inheritance diagram for Loyc.LLParserGenerator.RuleRef:
Loyc.LLParserGenerator.Pred Loyc.ICloneable< out T > Loyc.IHasLocation

Remarks

Represents a nonterminal, which is a reference to a rule.

Public fields

new Rule Rule
 
VList< LNodeParams = VList<LNode>.Empty
 
bool IsInline = null
 
- Public fields inherited from Loyc.LLParserGenerator.Pred
LNode PreAction
 
LNode PostAction
 
Symbol VarLabel
 
bool VarIsList
 
Func< LNode, LNodeResultSaver
 A function that saves the result produced by the matching code of this predicate (null if the result is not saved). For example, if the parser generator is given the predicate @[ x='a'..'z' ], the default matching code will be @(Match('a', 'z')), and ResultSaver will be set to a function that receives this matching code and returns @(x = Match('a', 'z')) in response. More...
 

Properties

override bool IsNullable [get]
 
- Properties inherited from Loyc.LLParserGenerator.Pred
LNode Basis [get, set]
 
abstract bool IsNullable [get]
 Returns true if this predicate can match an empty input. More...
 
object Location [get]
 
- Properties inherited from Loyc.IHasLocation
object Location [get]
 

Public Member Functions

override void Call (PredVisitor visitor)
 
 RuleRef (LNode basis, Rule rule)
 
override string ToString ()
 
override string ChooseGotoLabel ()
 Optional. If this predicate represents the matching code for a branch of an Alts and this code is reached through a goto statement, this method is used to select a label name. Supported by RuleRef. More...
 
- Public Member Functions inherited from Loyc.LLParserGenerator.Pred
 Pred (LNode basis)
 
LNode AutoSaveResult (LNode matchingCode)
 
virtual Pred Clone ()
 Deep-clones a predicate tree. Terminal sets and Nodes referenced by the tree are not cloned; the clone's value of Next will be null. The same Pred cannot appear in two places in a tree, so you must clone before re-use. More...
 
string ToStringWithPosition ()
 

Additional Inherited Members

- Static Public Member Functions inherited from Loyc.LLParserGenerator.Pred
static Seq operator+ (char a, Pred b)
 
static Seq operator+ (Pred a, char b)
 
static Seq operator+ (Pred a, Pred b)
 
static Pred operator| (char a, Pred b)
 
static Pred operator| (Pred a, char b)
 
static Pred operator| (Pred a, Pred b)
 
static Pred operator/ (Pred a, Pred b)
 
static Pred operator+ (Pred a)
 
static Pred Or (Pred a, Pred b, bool slashJoined)
 
static Pred Or (Pred a, Pred b, bool slashJoined, LNode basis, BranchMode aMode=BranchMode.None, BranchMode bMode=BranchMode.None, IMessageSink sink=null)
 
static Alts Star (Pred contents, bool?greedy=null)
 
static Alts Opt (Pred contents, bool?greedy=null)
 
static Seq Plus (Pred contents, bool?greedy=null)
 
static TerminalPred Range (char lo, char hi)
 
static TerminalPred Set (IPGTerminalSet set)
 
static TerminalPred Set (string set)
 
static TerminalPred Set (params LNode[] s)
 
static TerminalPred Not (params LNode[] s)
 
static TerminalPred Char (char c)
 
static TerminalPred Chars (params char[] c)
 
static Seq Seq (string s, LNode basis=null)
 
static Rule Rule (string name, Pred pred, bool isStartingRule=false, bool isToken=false, int maximumK=-1)
 
static Pred operator+ (LNode pre, Pred p)
 
static Pred operator+ (Pred p, LNode post)
 
static LNode MergeActions (LNode action, LNode action2)
 
static AndPred And (object test)
 
static AndPred AndNot (object test)
 
static Pred Set (string varName, Pred pred)
 
static Pred SetVar (string varName, Pred pred)
 
static Pred AddSet (string varName, Pred pred)
 
static Pred Op (string varName, Symbol @operator, Pred pred)
 

Member Function Documentation

override string Loyc.LLParserGenerator.RuleRef.ChooseGotoLabel ( )
inlinevirtual

Optional. If this predicate represents the matching code for a branch of an Alts and this code is reached through a goto statement, this method is used to select a label name. Supported by RuleRef.

Returns
A label name, or null if the predicate did not choose one.

Reimplemented from Loyc.LLParserGenerator.Pred.