forked from lix-project/lix
Make all ExternalValueBase functions const
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320659b0cd
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608110804c
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@ -1616,20 +1616,20 @@ size_t valueSize(Value & v)
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}
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string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore)
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string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore) const
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{
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throw TypeError(format("cannot coerce %1% to a string, at %2%") %
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showType() % pos);
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}
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bool ExternalValueBase::operator==(const ExternalValueBase & b)
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bool ExternalValueBase::operator==(const ExternalValueBase & b) const
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{
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return false;
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}
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std::ostream & operator << (std::ostream & str, ExternalValueBase & v) {
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std::ostream & operator << (std::ostream & str, const ExternalValueBase & v) {
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return v.print(str);
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}
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@ -91,7 +91,7 @@ void printValueAsJSON(EvalState & state, bool strict,
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void ExternalValueBase::printValueAsJSON(EvalState & state, bool strict,
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std::ostream & str, PathSet & context)
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std::ostream & str, PathSet & context) const
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{
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throw TypeError(format("cannot convert %1% to JSON") % showType());
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}
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@ -155,7 +155,7 @@ static void printValueAsXML(EvalState & state, bool strict, bool location,
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void ExternalValueBase::printValueAsXML(EvalState & state, bool strict,
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bool location, XMLWriter & doc, PathSet & context, PathSet & drvsSeen)
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bool location, XMLWriter & doc, PathSet & context, PathSet & drvsSeen) const
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{
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doc.writeEmptyElement("unevaluated");
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}
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@ -42,45 +42,45 @@ typedef long NixInt;
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*/
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class ExternalValueBase
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{
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friend std::ostream & operator << (std::ostream & str, ExternalValueBase & v);
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friend std::ostream & operator << (std::ostream & str, const ExternalValueBase & v);
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protected:
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/* Print out the value */
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virtual std::ostream & print(std::ostream & str) = 0;
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virtual std::ostream & print(std::ostream & str) const = 0;
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public:
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/* Return a simple string describing the type */
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virtual string showType() = 0;
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virtual string showType() const = 0;
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/* Return a string to be used in builtins.typeOf */
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virtual string typeOf() = 0;
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virtual string typeOf() const = 0;
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/* How much space does this value take up */
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virtual size_t valueSize(std::set<const void *> & seen) = 0;
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virtual size_t valueSize(std::set<const void *> & seen) const = 0;
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/* Coerce the value to a string. Defaults to uncoercable, i.e. throws an
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* error
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*/
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virtual string coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore);
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virtual string coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore) const;
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/* Compare to another value of the same type. Defaults to uncomparable,
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* i.e. always false.
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*/
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virtual bool operator==(const ExternalValueBase & b);
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virtual bool operator==(const ExternalValueBase & b) const;
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/* Print the value as JSON. Defaults to unconvertable, i.e. throws an error */
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virtual void printValueAsJSON(EvalState & state, bool strict,
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std::ostream & str, PathSet & context);
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std::ostream & str, PathSet & context) const;
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/* Print the value as XML. Defaults to unevaluated */
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virtual void printValueAsXML(EvalState & state, bool strict, bool location,
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XMLWriter & doc, PathSet & context, PathSet & drvsSeen);
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XMLWriter & doc, PathSet & context, PathSet & drvsSeen) const;
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virtual ~ExternalValueBase()
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{
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};
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};
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std::ostream & operator << (std::ostream & str, ExternalValueBase & v);
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std::ostream & operator << (std::ostream & str, const ExternalValueBase & v);
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struct Value
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