org.stekikun.dolmen.unparam

Class GrammarRule

java.lang.Object

org.stekikun.dolmen.unparam.GrammarRule

public final class GrammarRule
extends Object

Describes a grammar rule for a non-terminal in a grammar description. The rule can be public or private which will impact the visibility of the corresponding generated method, it specifies the return type of the associated semantic actions and can have some formal arguments.

The relative order of productions for this grammar rule is the one from the original source but is not semantically relevant for the produced grammar.

Author:

Stéphane Lescuyer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GrammarRule.Builder A builder class for grammar rules, where productions can be added incrementally

Field Summary

Fields

Modifier and Type	Field and Description
@Nullable CExtent	args The formal arguments for this rule, if any
Located<String>	name The name of this rule
List<Production>	productions The productions for this rule
CExtent	returnType This rule's return type
boolean	visibility Whether this grammar rule is public or not

Constructor Summary

Constructors

Constructor and Description
GrammarRule(boolean visibility, CExtent returnType, Located<String> name, @Nullable CExtent args, List<Production> productions) Builds a grammar rule from the given parameters

Method Summary

Modifier and Type	Method and Description
boolean	hasContinuation()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

visibility

public final boolean visibility

Whether this grammar rule is public or not

returnType

public final CExtent returnType

This rule's return type

name

public final Located<String> name

The name of this rule

args

public final @Nullable CExtent args

The formal arguments for this rule, if any

productions

public final List<Production> productions

The productions for this rule

Constructor Detail

GrammarRule

public GrammarRule(boolean visibility,
                   CExtent returnType,
                   Located<String> name,
                   @Nullable CExtent args,
                   List<Production> productions)

Builds a grammar rule from the given parameters

Parameters:

visibility -

returnType -

name -

args -

productions -

Method Detail

hasContinuation

public boolean hasContinuation()

Returns:

true if one of the rule's productions at least has a continuation

toString

public String toString()

Overrides:

toString in class Object