mirror of
https://github.com/NixOS/nix
synced 2025-06-26 07:31:15 +02:00
Merge remote-tracking branch 'origin/master' into fix-7417
This commit is contained in:
Eelco Dolstra
commit
8e923bf4c5
100 changed files with 2030 additions and 1319 deletions
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@ -60,7 +60,6 @@ void copyContext(const Value & v, PathSet & context);
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typedef std::map<Path, StorePath> SrcToStore;
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std::ostream & printValue(const EvalState & state, std::ostream & str, const Value & v);
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std::string printValue(const EvalState & state, const Value & v);
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std::ostream & operator << (std::ostream & os, const ValueType t);
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@ -87,6 +86,43 @@ struct DebugTrace {
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void debugError(Error * e, Env & env, Expr & expr);
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class ErrorBuilder
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{
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private:
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EvalState & state;
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ErrorInfo info;
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ErrorBuilder(EvalState & s, ErrorInfo && i): state(s), info(i) { }
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public:
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template<typename... Args>
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[[nodiscard, gnu::noinline]]
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static ErrorBuilder * create(EvalState & s, const Args & ... args)
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{
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return new ErrorBuilder(s, ErrorInfo { .msg = hintfmt(args...) });
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}
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & atPos(PosIdx pos);
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & withTrace(PosIdx pos, const std::string_view text);
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & withFrameTrace(PosIdx pos, const std::string_view text);
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & withSuggestions(Suggestions & s);
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & withFrame(const Env & e, const Expr & ex);
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template<class ErrorType>
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[[gnu::noinline, gnu::noreturn]]
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void debugThrow();
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};
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class EvalState : public std::enable_shared_from_this<EvalState>
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{
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public:
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@ -146,29 +182,35 @@ public:
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template<class E>
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[[gnu::noinline, gnu::noreturn]]
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void debugThrow(E && error, const Env & env, const Expr & expr)
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void debugThrowLastTrace(E && error)
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{
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if (debugRepl)
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runDebugRepl(&error, env, expr);
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throw std::move(error);
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debugThrow(error, nullptr, nullptr);
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}
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template<class E>
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[[gnu::noinline, gnu::noreturn]]
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void debugThrowLastTrace(E && e)
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void debugThrow(E && error, const Env * env, const Expr * expr)
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{
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// Call this in the situation where Expr and Env are inaccessible.
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// The debugger will start in the last context that's in the
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// DebugTrace stack.
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if (debugRepl && !debugTraces.empty()) {
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const DebugTrace & last = debugTraces.front();
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runDebugRepl(&e, last.env, last.expr);
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if (debugRepl && ((env && expr) || !debugTraces.empty())) {
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if (!env || !expr) {
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const DebugTrace & last = debugTraces.front();
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env = &last.env;
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expr = &last.expr;
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}
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runDebugRepl(&error, *env, *expr);
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}
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throw std::move(e);
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throw std::move(error);
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}
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ErrorBuilder * errorBuilder;
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template<typename... Args>
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[[nodiscard, gnu::noinline]]
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ErrorBuilder & error(const Args & ... args) {
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errorBuilder = ErrorBuilder::create(*this, args...);
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return *errorBuilder;
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}
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private:
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SrcToStore srcToStore;
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@ -283,8 +325,8 @@ public:
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/* Evaluation the expression, then verify that it has the expected
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type. */
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inline bool evalBool(Env & env, Expr * e);
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inline bool evalBool(Env & env, Expr * e, const PosIdx pos);
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inline void evalAttrs(Env & env, Expr * e, Value & v);
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inline bool evalBool(Env & env, Expr * e, const PosIdx pos, std::string_view errorCtx);
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inline void evalAttrs(Env & env, Expr * e, Value & v, const PosIdx pos, std::string_view errorCtx);
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/* If `v' is a thunk, enter it and overwrite `v' with the result
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of the evaluation of the thunk. If `v' is a delayed function
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@ -300,89 +342,25 @@ public:
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void forceValueDeep(Value & v);
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/* Force `v', and then verify that it has the expected type. */
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NixInt forceInt(Value & v, const PosIdx pos);
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NixFloat forceFloat(Value & v, const PosIdx pos);
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bool forceBool(Value & v, const PosIdx pos);
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NixInt forceInt(Value & v, const PosIdx pos, std::string_view errorCtx);
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NixFloat forceFloat(Value & v, const PosIdx pos, std::string_view errorCtx);
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bool forceBool(Value & v, const PosIdx pos, std::string_view errorCtx);
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void forceAttrs(Value & v, const PosIdx pos);
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void forceAttrs(Value & v, const PosIdx pos, std::string_view errorCtx);
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template <typename Callable>
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inline void forceAttrs(Value & v, Callable getPos);
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inline void forceAttrs(Value & v, Callable getPos, std::string_view errorCtx);
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inline void forceList(Value & v, const PosIdx pos);
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void forceFunction(Value & v, const PosIdx pos); // either lambda or primop
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std::string_view forceString(Value & v, const PosIdx pos = noPos);
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std::string_view forceString(Value & v, PathSet & context, const PosIdx pos = noPos);
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std::string_view forceStringNoCtx(Value & v, const PosIdx pos = noPos);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const char * s, const std::string & s2);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s, const std::string & s2);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const char * s, const std::string & s2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s, const std::string & s2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const char * s, const std::string & s2, const std::string & s3,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s, const std::string & s2, const std::string & s3,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const char * s, const std::string & s2, const std::string & s3);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const char * s, const std::string & s2, const std::string & s3);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx pos, const Suggestions & suggestions, const char * s, const std::string & s2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwEvalError(const PosIdx p1, const char * s, const Symbol sym, const PosIdx p2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const char * s, const Value & v);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const char * s, const Value & v,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const char * s);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const char * s,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const char * s, const ExprLambda & fun, const Symbol s2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const PosIdx pos, const Suggestions & suggestions, const char * s, const ExprLambda & fun, const Symbol s2,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwTypeError(const char * s, const Value & v,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwAssertionError(const PosIdx pos, const char * s, const std::string & s1,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwUndefinedVarError(const PosIdx pos, const char * s, const std::string & s1,
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Env & env, Expr & expr);
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[[gnu::noinline, gnu::noreturn]]
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void throwMissingArgumentError(const PosIdx pos, const char * s, const std::string & s1,
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Env & env, Expr & expr);
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inline void forceList(Value & v, const PosIdx pos, std::string_view errorCtx);
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void forceFunction(Value & v, const PosIdx pos, std::string_view errorCtx); // either lambda or primop
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std::string_view forceString(Value & v, const PosIdx pos, std::string_view errorCtx);
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std::string_view forceString(Value & v, PathSet & context, const PosIdx pos, std::string_view errorCtx);
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std::string_view forceStringNoCtx(Value & v, const PosIdx pos, std::string_view errorCtx);
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[[gnu::noinline]]
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void addErrorTrace(Error & e, const char * s, const std::string & s2) const;
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[[gnu::noinline]]
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void addErrorTrace(Error & e, const PosIdx pos, const char * s, const std::string & s2) const;
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void addErrorTrace(Error & e, const PosIdx pos, const char * s, const std::string & s2, bool frame = false) const;
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public:
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/* Return true iff the value `v' denotes a derivation (i.e. a
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@ -398,17 +376,18 @@ public:
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referenced paths are copied to the Nix store as a side effect. */
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BackedStringView coerceToString(const PosIdx pos, Value & v, PathSet & context,
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bool coerceMore = false, bool copyToStore = true,
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bool canonicalizePath = true);
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bool canonicalizePath = true,
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std::string_view errorCtx = "");
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StorePath copyPathToStore(PathSet & context, const Path & path);
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/* Path coercion. Converts strings, paths and derivations to a
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path. The result is guaranteed to be a canonicalised, absolute
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path. Nothing is copied to the store. */
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Path coerceToPath(const PosIdx pos, Value & v, PathSet & context);
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Path coerceToPath(const PosIdx pos, Value & v, PathSet & context, std::string_view errorCtx);
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/* Like coerceToPath, but the result must be a store path. */
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StorePath coerceToStorePath(const PosIdx pos, Value & v, PathSet & context);
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StorePath coerceToStorePath(const PosIdx pos, Value & v, PathSet & context, std::string_view errorCtx);
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public:
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@ -468,7 +447,7 @@ public:
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/* Do a deep equality test between two values. That is, list
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elements and attributes are compared recursively. */
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bool eqValues(Value & v1, Value & v2);
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bool eqValues(Value & v1, Value & v2, const PosIdx pos, std::string_view errorCtx);
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bool isFunctor(Value & fun);
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@ -503,7 +482,7 @@ public:
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void mkThunk_(Value & v, Expr * expr);
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void mkPos(Value & v, PosIdx pos);
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void concatLists(Value & v, size_t nrLists, Value * * lists, const PosIdx pos);
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void concatLists(Value & v, size_t nrLists, Value * * lists, const PosIdx pos, std::string_view errorCtx);
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/* Print statistics. */
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void printStats();
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@ -670,6 +649,13 @@ extern EvalSettings evalSettings;
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static const std::string corepkgsPrefix{"/__corepkgs__/"};
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template<class ErrorType>
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void ErrorBuilder::debugThrow()
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{
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// NOTE: We always use the -LastTrace version as we push the new trace in withFrame()
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state.debugThrowLastTrace(ErrorType(info));
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}
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}
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#include "eval-inline.hh"
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