framework.src.org.checkerframework.qualframework.base.TypeVariableSubstitutorAdapter Maven / Gradle / Ivy

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Checker Qual is the set of annotations (qualifiers) and supporting classes used by the Checker Framework to type check Java source code. Please see artifact: org.checkerframework:checker

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package org.checkerframework.qualframework.base;

import org.checkerframework.framework.type.*;
import org.checkerframework.framework.type.AnnotatedTypeMirror.AnnotatedTypeVariable;
import org.checkerframework.qualframework.base.QualifiedTypeMirror.QualifiedTypeVariable;

/**
 * Adapt substitution to the Qual Framework
 */
public class TypeVariableSubstitutorAdapter extends org.checkerframework.framework.type.TypeVariableSubstitutor {

    private final TypeVariableSubstitutor underlying;
    private final TypeMirrorConverter converter;

    public TypeVariableSubstitutorAdapter(TypeVariableSubstitutor underlying, TypeMirrorConverter converter) {
        this.underlying = underlying;
        this.converter = converter;
    }

    protected AnnotatedTypeMirror substituteTypeVariable(final AnnotatedTypeMirror argument,
            final AnnotatedTypeVariable use) {

        QualifiedTypeMirror qArgument = converter.getQualifiedType(argument);
        QualifiedTypeVariable qUse = (QualifiedTypeVariable) converter.getQualifiedType(use.asUse());
        return converter.getAnnotatedType(underlying.substituteTypeVariable(qArgument, qUse));
    }

    protected QualifiedTypeMirror superSubstituteTypeVariable(final QualifiedTypeMirror argument,
            final QualifiedTypeVariable use) {

        return converter.getQualifiedType(super.substituteTypeVariable(converter.getAnnotatedType(argument),
                (AnnotatedTypeVariable)converter.getAnnotatedType(use)));
    }
}