jolie.lang.parse.module.SymbolInfo Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Narongrit Unwerawattana
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jolie.lang.parse.module;
import jolie.lang.parse.ast.ImportableSymbol.AccessModifier;
import jolie.lang.parse.ast.OLSyntaxNode;
import jolie.lang.parse.context.ParsingContext;
/**
* an abstract class of Symbol declaration in Jolie
*/
public abstract class SymbolInfo {
/**
* Scope of symbol, LOCAL means the symbol's AST node is declared within the local execution
* environment EXTERNAL means the symbol's AST node is declared in other execution environment
*/
public enum Scope {
LOCAL, EXTERNAL
}
/**
* name of the symbol
*/
private final String name;
/**
* scope of this symbol
*/
private final Scope scope;
/**
* Accessibility modifier of this symbol
*/
private final AccessModifier accessModifier;
/**
* Declaration context of the symbol
*/
private final ParsingContext context;
/**
* pointer to an AST node
*/
private OLSyntaxNode node;
/**
* constructor for SymbolInfo
*
* @param context context where symbol is declared
* @param name symbol name
* @param scope scope of the symbol origin
* @param accessModifier modifier identify accessibility of this symbol
*/
protected SymbolInfo( ParsingContext context, String name, Scope scope, AccessModifier accessModifier ) {
this.context = context;
this.name = name;
this.scope = scope;
this.accessModifier = accessModifier;
}
public String name() {
return name;
}
/**
* resolve an external symbol node by set a pointer to an AST node
*/
protected void resolve( OLSyntaxNode pointer ) {
this.node = pointer;
}
public OLSyntaxNode node() {
return node;
}
public Scope scope() {
return scope;
}
public AccessModifier accessModifier() {
return accessModifier;
}
public ParsingContext context() {
return context;
}
}