//generated by abstract-syntax-gen
package de.peeeq.wurstscript.ast;
import java.util.*;

@SuppressWarnings({"cast", "unused", "rawtypes"})
class WStatementsImpl extends WStatements {
     private Element parent;
    public Element getParent() { return parent; }
    public void setParent(Element parent) {
        if (parent != null && this.parent != null) {
            throw new Error("Cannot change parent of element " + this.getClass().getSimpleName() + ", as it is already used in another tree."
                + "Use the copy method to create a new tree or remove the tree from its old parent or set the parent to null before moving the tree. ");
        }
        this.parent = parent;
    }

    public void replaceBy(Element other) {
        if (parent == null)
            throw new RuntimeException("Node not attached to tree.");
        for (int i=0; i<parent.size(); i++) {
            if (parent.get(i) == this) {
                parent.set(i, other);
                return;
            }
        }
    }

    protected void other_setParentToThis(WStatement t) {
        t.setParent(this);
    }

    protected void other_clearParent(WStatement t) {
        t.setParent(null);
    }

    @Override
    public Element set(int i, Element newElement) {
        return ((AsgList<WStatement>) this).set(i, (WStatement) newElement);
    }

    @Override public <T> T match(HasReadVariables.Matcher<T> matcher) {
        return matcher.case_WStatements(this);
    }
    @Override public void match(HasReadVariables.MatcherVoid matcher) {
        matcher.case_WStatements(this);
    }

    @Override public <T> T match(WScope.Matcher<T> matcher) {
        return matcher.case_WStatements(this);
    }
    @Override public void match(WScope.MatcherVoid matcher) {
        matcher.case_WStatements(this);
    }

    @Override public <T> T match(Element.Matcher<T> matcher) {
        return matcher.case_WStatements(this);
    }
    @Override public void match(Element.MatcherVoid matcher) {
        matcher.case_WStatements(this);
    }

    @Override public <T> T match(ExprOrStatements.Matcher<T> matcher) {
        return matcher.case_WStatements(this);
    }
    @Override public void match(ExprOrStatements.MatcherVoid matcher) {
        matcher.case_WStatements(this);
    }

    @Override public void accept(Visitor v) {
        v.visit(this);
    }
    @Override public void clearAttributes() {
        for (WStatement child : this) {
            child.clearAttributes();
        }
        clearAttributesLocal();
    }
    @Override public void clearAttributesLocal() {
        zzattr_attrReadVariables_state = 0;
        zzattr_attrNextScope_state = 0;
        zzattr_attrNameLinks_state = 0;
        zzattr_attrTypeNameLinks_state = 0;
        zzattr_attrUsedGlobalVariables_state = 0;
        zzattr_attrReadGlobalVariables_state = 0;
    }
// circular = null
    private int zzattr_attrReadVariables_state = 0;
    private de.peeeq.immutablecollections.ImmutableList<NameDef> zzattr_attrReadVariables_cache;
    /** */
    public de.peeeq.immutablecollections.ImmutableList<NameDef> attrReadVariables() {
        if (zzattr_attrReadVariables_state == 0) {
            try {
                zzattr_attrReadVariables_state = 1;
                zzattr_attrReadVariables_cache = de.peeeq.wurstscript.attributes.ReadVariables.calculate((WStatements)this);
            } finally {
                zzattr_attrReadVariables_state = 0;
            }
            zzattr_attrReadVariables_state = 2;
        } else if (zzattr_attrReadVariables_state == 1) {
            throw new CyclicDependencyError(this, "attrReadVariables");
        }
        return zzattr_attrReadVariables_cache;
    }
    /** */
    public boolean attrIsDynamicContext() {
        return de.peeeq.wurstscript.attributes.IsDynamicContext.calculate((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable PackageOrGlobal attrNearestPackage() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestPackage((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable NamedScope attrNearestNamedScope() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestNamedScope((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable WScope attrNearestScope() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestScope((WStatements)this);
    }
// circular = null
    private int zzattr_attrNextScope_state = 0;
    private @org.eclipse.jdt.annotation.Nullable WScope zzattr_attrNextScope_cache;
    /** "returns the scope surrounding this scope"*/
    public @org.eclipse.jdt.annotation.Nullable WScope attrNextScope() {
        if (zzattr_attrNextScope_state == 0) {
            try {
                zzattr_attrNextScope_state = 1;
                zzattr_attrNextScope_cache = de.peeeq.wurstscript.attributes.AttrNearest.nextScope((WStatements)this);
            } finally {
                zzattr_attrNextScope_state = 0;
            }
            zzattr_attrNextScope_state = 2;
        } else if (zzattr_attrNextScope_state == 1) {
            throw new CyclicDependencyError(this, "attrNextScope");
        }
        return zzattr_attrNextScope_cache;
    }
    /** */
    public String attrPathDescription() {
        return de.peeeq.wurstscript.attributes.PathDescription.get((WStatements)this);
    }
    /** */
    public CompilationUnit attrCompilationUnit() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestCompilationUnit((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable ClassDef attrNearestClassDef() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestClassDef((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable ClassOrInterface attrNearestClassOrInterface() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestClassOrInterface((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable ClassOrModule attrNearestClassOrModule() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestClassOrModule((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable StructureDef attrNearestStructureDef() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestStructureDef((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable FunctionImplementation attrNearestFuncDef() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestFuncDef((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable ExprClosure attrNearestExprClosure() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestExprClosure((WStatements)this);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable ExprStatementsBlock attrNearestExprStatementsBlock() {
        return de.peeeq.wurstscript.attributes.AttrNearest.nearestExprStatementsBlock((WStatements)this);
    }
    /** "returns the element itself if it is a NameDef or returns the referenced NameDef if the elem is a reference or returns null otherwise "*/
    public @org.eclipse.jdt.annotation.Nullable NameDef tryGetNameDef() {
        return de.peeeq.wurstscript.attributes.AttrNameDef.tryGetNameDef((WStatements)this);
    }
    /** */
    public de.peeeq.wurstscript.parser.WPos attrSource() {
        return de.peeeq.wurstscript.attributes.AttrPos.getPos((WStatements)this);
    }
    /** "returns the position where errors are marked"*/
    public de.peeeq.wurstscript.parser.WPos attrErrorPos() {
        return de.peeeq.wurstscript.attributes.AttrPos.getErrorPos((WStatements)this);
    }
    /** */
    public WurstModel getModel() {
        return de.peeeq.wurstscript.attributes.AttrImportedPackage.getModel((WStatements)this);
    }
    /** */
    public void addError(String msg) {
        de.peeeq.wurstscript.attributes.ErrorHandling.addError((WStatements)this, msg);
    }
    /** */
    public void addWarning(String msg) {
        de.peeeq.wurstscript.attributes.ErrorHandling.addWarning((WStatements)this, msg);
    }
    /** */
    public de.peeeq.wurstscript.attributes.ErrorHandler getErrorHandler() {
        return de.peeeq.wurstscript.attributes.ErrorHandling.getErrorHandler((WStatements)this);
    }
// circular = null
    private int zzattr_attrNameLinks_state = 0;
    private com.google.common.collect.ImmutableMultimap<String, de.peeeq.wurstscript.attributes.names.DefLink> zzattr_attrNameLinks_cache;
    /** "returns a map of all the names visible in this scope."*/
    public com.google.common.collect.ImmutableMultimap<String, de.peeeq.wurstscript.attributes.names.DefLink> attrNameLinks() {
        if (zzattr_attrNameLinks_state == 0) {
            try {
                zzattr_attrNameLinks_state = 1;
                zzattr_attrNameLinks_cache = de.peeeq.wurstscript.attributes.names.NameLinks.calculate((WStatements)this);
            } finally {
                zzattr_attrNameLinks_state = 0;
            }
            zzattr_attrNameLinks_state = 2;
        } else if (zzattr_attrNameLinks_state == 1) {
            throw new CyclicDependencyError(this, "attrNameLinks");
        }
        return zzattr_attrNameLinks_cache;
    }
// circular = null
    private int zzattr_attrTypeNameLinks_state = 0;
    private com.google.common.collect.ImmutableMultimap<String, de.peeeq.wurstscript.attributes.names.TypeLink> zzattr_attrTypeNameLinks_cache;
    /** "returns a map of all the names visible in this scope."*/
    public com.google.common.collect.ImmutableMultimap<String, de.peeeq.wurstscript.attributes.names.TypeLink> attrTypeNameLinks() {
        if (zzattr_attrTypeNameLinks_state == 0) {
            try {
                zzattr_attrTypeNameLinks_state = 1;
                zzattr_attrTypeNameLinks_cache = de.peeeq.wurstscript.attributes.names.TypeNameLinks.calculate((WStatements)this);
            } finally {
                zzattr_attrTypeNameLinks_state = 0;
            }
            zzattr_attrTypeNameLinks_state = 2;
        } else if (zzattr_attrTypeNameLinks_state == 1) {
            throw new CyclicDependencyError(this, "attrTypeNameLinks");
        }
        return zzattr_attrTypeNameLinks_cache;
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable TypeDef lookupType(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupType((WStatements)this, name, showErrors);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.PackageLink lookupPackage(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupPackage((WStatements)this, name, showErrors);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.NameLink lookupVar(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupVar((WStatements)this, name, showErrors);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.NameLink lookupVarNoConfig(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupVarNoConfig((WStatements)this, name, showErrors);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.NameLink lookupMemberVar(de.peeeq.wurstscript.types.WurstType receiverType, String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupMemberVar((WStatements)this, receiverType, name, showErrors);
    }
    /** */
    public com.google.common.collect.ImmutableCollection<de.peeeq.wurstscript.attributes.names.FuncLink> lookupFuncs(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupFuncs((WStatements)this, name, showErrors);
    }
    /** */
    public com.google.common.collect.ImmutableCollection<de.peeeq.wurstscript.attributes.names.FuncLink> lookupFuncsNoConfig(String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupFuncsNoConfig((WStatements)this, name, showErrors);
    }
    /** */
    public com.google.common.collect.ImmutableCollection<de.peeeq.wurstscript.attributes.names.FuncLink> lookupMemberFuncs(de.peeeq.wurstscript.types.WurstType receiverType, String name, boolean showErrors) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupMemberFuncs((WStatements)this, receiverType, name, showErrors);
    }
    /** */
    public @org.eclipse.jdt.annotation.Nullable TypeDef lookupType(String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupTypeShort((WStatements)this, name);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.PackageLink lookupPackage(String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupPackageShort((WStatements)this, name);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.NameLink lookupVar(String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupVarShort((WStatements)this, name);
    }
    /** */
    public de.peeeq.wurstscript.attributes.names.NameLink lookupMemberVar(de.peeeq.wurstscript.types.WurstType receiverType, String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupMemberVarShort((WStatements)this, receiverType, name);
    }
    /** */
    public com.google.common.collect.ImmutableCollection<de.peeeq.wurstscript.attributes.names.FuncLink> lookupFuncs(String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupFuncsShort((WStatements)this, name);
    }
    /** */
    public com.google.common.collect.ImmutableCollection<de.peeeq.wurstscript.attributes.names.FuncLink> lookupMemberFuncs(de.peeeq.wurstscript.types.WurstType receiverType, String name) {
        return de.peeeq.wurstscript.attributes.names.NameResolution.lookupMemberFuncsShort((WStatements)this, receiverType, name);
    }
// circular = de.peeeq.wurstscript.utils.Utils.emptyList
    private int zzattr_attrUsedGlobalVariables_state = 0;
    private com.google.common.collect.ImmutableList<VarDef> zzattr_attrUsedGlobalVariables_cache;
    /** */
    public com.google.common.collect.ImmutableList<VarDef> attrUsedGlobalVariables() {
        if (zzattr_attrUsedGlobalVariables_state == 0) {
            zzattr_attrUsedGlobalVariables_state = 1;
            zzattr_attrUsedGlobalVariables_cache = de.peeeq.wurstscript.utils.Utils.emptyList();
            while (true) {
                com.google.common.collect.ImmutableList<VarDef> r = de.peeeq.wurstscript.attributes.UsedGlobalVariables.getUsedGlobals((WStatements)this);
                if (zzattr_attrUsedGlobalVariables_state == 3) {
                    if (!zzattr_attrUsedGlobalVariables_cache.equals(r)) {
                        zzattr_attrUsedGlobalVariables_cache = r;
                        continue;
                    }
                }
                zzattr_attrUsedGlobalVariables_cache = r;
                break;
            }
            zzattr_attrUsedGlobalVariables_state = 2;
        } else if (zzattr_attrUsedGlobalVariables_state == 1) {
            zzattr_attrUsedGlobalVariables_state = 3;
        }
        return zzattr_attrUsedGlobalVariables_cache;
    }
// circular = de.peeeq.wurstscript.utils.Utils.emptyList
    private int zzattr_attrReadGlobalVariables_state = 0;
    private com.google.common.collect.ImmutableList<VarDef> zzattr_attrReadGlobalVariables_cache;
    /** */
    public com.google.common.collect.ImmutableList<VarDef> attrReadGlobalVariables() {
        if (zzattr_attrReadGlobalVariables_state == 0) {
            zzattr_attrReadGlobalVariables_state = 1;
            zzattr_attrReadGlobalVariables_cache = de.peeeq.wurstscript.utils.Utils.emptyList();
            while (true) {
                com.google.common.collect.ImmutableList<VarDef> r = de.peeeq.wurstscript.attributes.UsedGlobalVariables.getReadGlobals((WStatements)this);
                if (zzattr_attrReadGlobalVariables_state == 3) {
                    if (!zzattr_attrReadGlobalVariables_cache.equals(r)) {
                        zzattr_attrReadGlobalVariables_cache = r;
                        continue;
                    }
                }
                zzattr_attrReadGlobalVariables_cache = r;
                break;
            }
            zzattr_attrReadGlobalVariables_state = 2;
        } else if (zzattr_attrReadGlobalVariables_state == 1) {
            zzattr_attrReadGlobalVariables_state = 3;
        }
        return zzattr_attrReadGlobalVariables_cache;
    }
    /** */
    public com.google.common.collect.ImmutableCollection<WPackage> attrUsedPackages() {
        return de.peeeq.wurstscript.attributes.UsedPackages.usedPackages((WStatements)this);
    }
    /** */
    public String description() {
        return de.peeeq.wurstscript.attributes.Description.description((WStatements)this);
    }
    /** */
    public String descriptionHtml() {
        return de.peeeq.wurstscript.attributes.DescriptionHtml.description((WStatements)this);
    }
    /** */
    public boolean isSubtreeOf(Element other) {
        return de.peeeq.wurstscript.attributes.SmallHelpers.isSubtreeOf((WStatements)this, other);
    }
    /** */
    public void prettyPrint(de.peeeq.wurstscript.attributes.prettyPrint.Spacer spacer, StringBuilder sb, int indent) {
        de.peeeq.wurstscript.attributes.prettyPrint.PrettyPrinter.prettyPrint((WStatements)this, spacer, sb, indent);
    }
    @Override public String toString() {
        StringBuilder result = new StringBuilder("WStatements(");
        boolean first = true;
        for (WStatement i : this ) {
            if (!first) { result.append(", "); }
            if (result.length() > 1000) { result.append("..."); break; }
            result.append(i);
            first = false;
        }
        result.append(")");
        return result.toString();
    }
}