org.formulacompiler.compiler.internal.bytecode.ExpressionCompilerForDoubles_Base.java Source code

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Here is the source code for org.formulacompiler.compiler.internal.bytecode.ExpressionCompilerForDoubles_Base.java

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/*
 * Copyright (c) 2006-2009 by Abacus Research AG, Switzerland.
 * All rights reserved.
 *
 * This file is part of the Abacus Formula Compiler (AFC).
 *
 * For commercial licensing, please contact sales(at)formulacompiler.com.
 *
 * AFC is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * AFC 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with AFC.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.formulacompiler.compiler.internal.bytecode;

import org.formulacompiler.compiler.CompilerException;
import org.formulacompiler.compiler.NumericType;
import org.formulacompiler.runtime.ScaledLong;
import org.formulacompiler.runtime.ScaledLongSupport;
import org.objectweb.asm.Opcodes;

abstract class ExpressionCompilerForDoubles_Base extends ExpressionCompilerForNumbers {

    public ExpressionCompilerForDoubles_Base(MethodCompiler _methodCompiler, NumericType _numericType) {
        super(_methodCompiler, _numericType);
    }

    @Override
    protected void compileConversionFrom(ScaledLong _scale) throws CompilerException {
        compile_util_fromScaledLong(ScaledLongSupport.ONE[_scale.value()]);
    }

    @Override
    protected void compileConversionTo(ScaledLong _scale) throws CompilerException {
        compile_util_toScaledLong(ScaledLongSupport.ONE[_scale.value()]);
    }

    @Override
    protected int compileComparison(int _ifOpcode, int _comparisonOpcode) throws CompilerException {
        mv().visitInsn(_comparisonOpcode);
        return _ifOpcode;
    }

    @Override
    protected void compileDup() {
        mv().visitInsn(Opcodes.DUP2);
    }

    @Override
    protected void compilePop() {
        mv().visitInsn(Opcodes.POP2);
    }

    @Override
    protected void compileExceptionalValueTest(boolean _testForErrors) throws CompilerException {
        if (_testForErrors) {
            compile_util_testForErrors();
        } else {
            super.compileExceptionalValueTest(_testForErrors);
        }
    }

    protected abstract void compile_util_fromScaledLong(long _scale) throws CompilerException;

    protected abstract void compile_util_toScaledLong(long _scale) throws CompilerException;

    protected abstract void compile_util_testForErrors() throws CompilerException;

}