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package com.jogamp.gluegen;

import com.jogamp.gluegen.cgram.types.FunctionSymbol;

import java.util.List;

/** Provides a mechanism by which the GlueEmitter can look at all of
    the #defines, enum values and function symbols and perform certain
    filtering and processing which requires all of them to be visible
    simultaneously. */

public interface SymbolFilter {
    /**
     * Filters the given constant and function symbols. The caller
     * will query the SymbolFilter for its resulting constant and
     * function symbol lists after this routine returns.
     *
     * @param defines a list of {@link com.jogamp.gluegen.cgram.Define Define} objects
     * @param functions a list of {@link com.jogamp.gluegen.cgram.types.FunctionSymbol FunctionSymbol} objects
     */
    public void filterSymbols(List<ConstantDefinition> constants, List<FunctionSymbol> functions);

    /** Returns the filtered list of constants. This method may return
        a new list, the original list, or null, in which case the
        original list will be used. */
    public List<ConstantDefinition> getConstants();

    /** Returns the filtered list of function symbols. This method may
        return a new list, the original list, or null, in which case
        the original list will be used. */
    public List<FunctionSymbol> getFunctions();
}
