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This commit is contained in:
Eelco Dolstra 2022-05-25 12:32:22 +02:00
parent ba035f7dd0
commit 91b7d5373a
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GPG key ID: 8170B4726D7198DE
9 changed files with 165 additions and 370 deletions
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2
src/libcmd/command.hh
View file

@ -274,6 +274,6 @@ void printClosureDiff(
void runRepl( void runRepl(
EvalState &evalState, EvalState & evalState,
const ValMap & extraEnv); const ValMap & extraEnv);
} }

8
src/libcmd/repl.cc
View file

@ -48,7 +48,7 @@ struct NixRepl
#endif #endif
{ {
std::string curDir; std::string curDir;
EvalState &state; EvalState & state;
Bindings * autoArgs; Bindings * autoArgs;
size_t debugTraceIndex; size_t debugTraceIndex;
@ -63,11 +63,11 @@ struct NixRepl
const Path historyFile; const Path historyFile;
NixRepl(EvalState &state); NixRepl(EvalState & state);
~NixRepl(); ~NixRepl();
void mainLoop(const std::vector<std::string> & files); void mainLoop(const std::vector<std::string> & files);
StringSet completePrefix(const std::string & prefix); StringSet completePrefix(const std::string & prefix);
bool getLine(std::string & input, const std::string &prompt); bool getLine(std::string & input, const std::string & prompt);
StorePath getDerivationPath(Value & v); StorePath getDerivationPath(Value & v);
bool processLine(std::string line); bool processLine(std::string line);
void loadFile(const Path & path); void loadFile(const Path & path);
@ -96,7 +96,7 @@ std::string removeWhitespace(std::string s)
} }
NixRepl::NixRepl(EvalState &state) NixRepl::NixRepl(EvalState & state)
: state(state) : state(state)
, debugTraceIndex(0) , debugTraceIndex(0)
, staticEnv(new StaticEnv(false, state.staticBaseEnv.get())) , staticEnv(new StaticEnv(false, state.staticBaseEnv.get()))

40
src/libexpr/eval-cache.cc
View file

@ -554,20 +554,14 @@ std::string AttrCursor::getString()
debug("using cached string attribute '%s'", getAttrPathStr()); debug("using cached string attribute '%s'", getAttrPathStr());
return s->first; return s->first;
} else } else
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a string", getAttrPathStr()));
auto e = TypeError("'%s' is not a string", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
} }
} }
auto & v = forceValue(); auto & v = forceValue();
if (v.type() != nString && v.type() != nPath) if (v.type() != nString && v.type() != nPath)
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
auto e = TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
root->state.debugThrowLastTrace(e);
}
return v.type() == nString ? v.string.s : v.path; return v.type() == nString ? v.string.s : v.path;
} }
@ -591,10 +585,7 @@ string_t AttrCursor::getStringWithContext()
return *s; return *s;
} }
} else } else
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a string", getAttrPathStr()));
auto e = TypeError("'%s' is not a string", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
} }
} }
@ -605,10 +596,7 @@ string_t AttrCursor::getStringWithContext()
else if (v.type() == nPath) else if (v.type() == nPath)
return {v.path, {}}; return {v.path, {}};
else else
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
auto e = TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
root->state.debugThrowLastTrace(e);
}
} }
bool AttrCursor::getBool() bool AttrCursor::getBool()
@ -621,20 +609,14 @@ bool AttrCursor::getBool()
debug("using cached Boolean attribute '%s'", getAttrPathStr()); debug("using cached Boolean attribute '%s'", getAttrPathStr());
return *b; return *b;
} else } else
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a Boolean", getAttrPathStr()));
auto e = TypeError("'%s' is not a Boolean", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
} }
} }
auto & v = forceValue(); auto & v = forceValue();
if (v.type() != nBool) if (v.type() != nBool)
{ root->state.debugThrowLastTrace(TypeError("'%s' is not a Boolean", getAttrPathStr()));
auto e = TypeError("'%s' is not a Boolean", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
return v.boolean; return v.boolean;
} }
@ -682,20 +664,14 @@ std::vector<Symbol> AttrCursor::getAttrs()
debug("using cached attrset attribute '%s'", getAttrPathStr()); debug("using cached attrset attribute '%s'", getAttrPathStr());
return *attrs; return *attrs;
} else } else
{ root->state.debugThrowLastTrace(TypeError("'%s' is not an attribute set", getAttrPathStr()));
auto e = TypeError("'%s' is not an attribute set", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
} }
} }
auto & v = forceValue(); auto & v = forceValue();
if (v.type() != nAttrs) if (v.type() != nAttrs)
{ root->state.debugThrowLastTrace(TypeError("'%s' is not an attribute set", getAttrPathStr()));
auto e = TypeError("'%s' is not an attribute set", getAttrPathStr());
root->state.debugThrowLastTrace(e);
}
std::vector<Symbol> attrs; std::vector<Symbol> attrs;
for (auto & attr : *getValue().attrs) for (auto & attr : *getValue().attrs)

112
src/libexpr/eval.cc
View file

@ -846,198 +846,160 @@ void EvalState::runDebugRepl(const Error * error, const Env & env, const Expr &
exceptions. */ exceptions. */
void EvalState::throwEvalError(const PosIdx pos, const char * s, Env & env, Expr & expr) void EvalState::throwEvalError(const PosIdx pos, const char * s, Env & env, Expr & expr)
{ {
auto error = EvalError({ debugThrow(EvalError({
.msg = hintfmt(s), .msg = hintfmt(s),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwEvalError(const PosIdx pos, const char * s) void EvalState::throwEvalError(const PosIdx pos, const char * s)
{ {
auto error = EvalError({ debugThrowLastTrace(EvalError({
.msg = hintfmt(s), .msg = hintfmt(s),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwEvalError(const char * s, const std::string & s2) void EvalState::throwEvalError(const char * s, const std::string & s2)
{ {
auto error = EvalError(s, s2); debugThrowLastTrace(EvalError(s, s2));
debugThrowLastTrace(error);
} }
void EvalState::throwEvalError(const PosIdx pos, const Suggestions & suggestions, const char * s, void EvalState::throwEvalError(const PosIdx pos, const Suggestions & suggestions, const char * s,
const std::string & s2, Env & env, Expr & expr) const std::string & s2, Env & env, Expr & expr)
{ {
auto error = EvalError(ErrorInfo{ debugThrow(EvalError(ErrorInfo{
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[pos], .errPos = positions[pos],
.suggestions = suggestions, .suggestions = suggestions,
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2) void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2)
{ {
auto error = EvalError({ debugThrowLastTrace(EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2, Env & env, Expr & expr) void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2, Env & env, Expr & expr)
{ {
auto error = EvalError({ debugThrow(EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwEvalError(const char * s, const std::string & s2, void EvalState::throwEvalError(const char * s, const std::string & s2,
const std::string & s3) const std::string & s3)
{ {
auto error = EvalError({ debugThrowLastTrace(EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[noPos] .errPos = positions[noPos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2, void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2,
const std::string & s3) const std::string & s3)
{ {
auto error = EvalError({ debugThrowLastTrace(EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2, void EvalState::throwEvalError(const PosIdx pos, const char * s, const std::string & s2,
const std::string & s3, Env & env, Expr & expr) const std::string & s3, Env & env, Expr & expr)
{ {
auto error = EvalError({ debugThrow(EvalError({
.msg = hintfmt(s, s2), .msg = hintfmt(s, s2),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwEvalError(const PosIdx p1, const char * s, const Symbol sym, const PosIdx p2, Env & env, Expr & expr) void EvalState::throwEvalError(const PosIdx p1, const char * s, const Symbol sym, const PosIdx p2, Env & env, Expr & expr)
{ {
// p1 is where the error occurred; p2 is a position mentioned in the message. // p1 is where the error occurred; p2 is a position mentioned in the message.
auto error = EvalError({ debugThrow(EvalError({
.msg = hintfmt(s, symbols[sym], positions[p2]), .msg = hintfmt(s, symbols[sym], positions[p2]),
.errPos = positions[p1] .errPos = positions[p1]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwTypeError(const PosIdx pos, const char * s, const Value & v) void EvalState::throwTypeError(const PosIdx pos, const char * s, const Value & v)
{ {
auto error = TypeError({ debugThrowLastTrace(TypeError({
.msg = hintfmt(s, showType(v)), .msg = hintfmt(s, showType(v)),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwTypeError(const PosIdx pos, const char * s, const Value & v, Env & env, Expr & expr) void EvalState::throwTypeError(const PosIdx pos, const char * s, const Value & v, Env & env, Expr & expr)
{ {
auto error = TypeError({ debugThrow(TypeError({
.msg = hintfmt(s, showType(v)), .msg = hintfmt(s, showType(v)),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwTypeError(const PosIdx pos, const char * s) void EvalState::throwTypeError(const PosIdx pos, const char * s)
{ {
auto error = TypeError({ debugThrowLastTrace(TypeError({
.msg = hintfmt(s), .msg = hintfmt(s),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(error);
} }
void EvalState::throwTypeError(const PosIdx pos, const char * s, const ExprLambda & fun, void EvalState::throwTypeError(const PosIdx pos, const char * s, const ExprLambda & fun,
const Symbol s2, Env & env, Expr &expr) const Symbol s2, Env & env, Expr &expr)
{ {
auto error = TypeError({ debugThrow(TypeError({
.msg = hintfmt(s, fun.showNamePos(*this), symbols[s2]), .msg = hintfmt(s, fun.showNamePos(*this), symbols[s2]),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwTypeError(const PosIdx pos, const Suggestions & suggestions, const char * s, void EvalState::throwTypeError(const PosIdx pos, const Suggestions & suggestions, const char * s,
const ExprLambda & fun, const Symbol s2, Env & env, Expr &expr) const ExprLambda & fun, const Symbol s2, Env & env, Expr &expr)
{ {
auto error = TypeError(ErrorInfo { debugThrow(TypeError(ErrorInfo {
.msg = hintfmt(s, fun.showNamePos(*this), symbols[s2]), .msg = hintfmt(s, fun.showNamePos(*this), symbols[s2]),
.errPos = positions[pos], .errPos = positions[pos],
.suggestions = suggestions, .suggestions = suggestions,
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwTypeError(const char * s, const Value & v, Env & env, Expr &expr) void EvalState::throwTypeError(const char * s, const Value & v, Env & env, Expr &expr)
{ {
auto error = TypeError({ debugThrow(TypeError({
.msg = hintfmt(s, showType(v)), .msg = hintfmt(s, showType(v)),
.errPos = positions[expr.getPos()], .errPos = positions[expr.getPos()],
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwAssertionError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr) void EvalState::throwAssertionError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr)
{ {
auto error = AssertionError({ debugThrow(AssertionError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwUndefinedVarError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr) void EvalState::throwUndefinedVarError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr)
{ {
auto error = UndefinedVarError({ debugThrow(UndefinedVarError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::throwMissingArgumentError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr) void EvalState::throwMissingArgumentError(const PosIdx pos, const char * s, const std::string & s1, Env & env, Expr &expr)
{ {
auto error = MissingArgumentError({ debugThrow(MissingArgumentError({
.msg = hintfmt(s, s1), .msg = hintfmt(s, s1),
.errPos = positions[pos] .errPos = positions[pos]
}); }), env, expr);
debugThrow(error, env, expr);
} }
void EvalState::addErrorTrace(Error & e, const char * s, const std::string & s2) const void EvalState::addErrorTrace(Error & e, const char * s, const std::string & s2) const

8
src/libexpr/eval.hh
View file

@ -131,8 +131,8 @@ public:
bool debugStop; bool debugStop;
bool debugQuit; bool debugQuit;
std::list<DebugTrace> debugTraces; std::list<DebugTrace> debugTraces;
std::map<const Expr*, const std::shared_ptr<const StaticEnv> > exprEnvs; std::map<const Expr*, const std::shared_ptr<const StaticEnv>> exprEnvs;
const std::shared_ptr<const StaticEnv> getStaticEnv(const Expr &expr) const const std::shared_ptr<const StaticEnv> getStaticEnv(const Expr & expr) const
{ {
auto i = exprEnvs.find(&expr); auto i = exprEnvs.find(&expr);
if (i != exprEnvs.end()) if (i != exprEnvs.end())
@ -145,7 +145,7 @@ public:
template<class E> template<class E>
[[gnu::noinline, gnu::noreturn]] [[gnu::noinline, gnu::noreturn]]
void debugThrow(const E &error, const Env & env, const Expr & expr) void debugThrow(E && error, const Env & env, const Expr & expr)
{ {
if (debugRepl) if (debugRepl)
runDebugRepl(&error, env, expr); runDebugRepl(&error, env, expr);
@ -155,7 +155,7 @@ public:
template<class E> template<class E>
[[gnu::noinline, gnu::noreturn]] [[gnu::noinline, gnu::noreturn]]
void debugThrowLastTrace(E & e) void debugThrowLastTrace(E && e)
{ {
// Call this in the situation where Expr and Env are inaccessible. // Call this in the situation where Expr and Env are inaccessible.
// The debugger will start in the last context that's in the // The debugger will start in the last context that's in the

5
src/libexpr/parser.y
View file

@ -782,14 +782,13 @@ Path EvalState::findFile(SearchPath & searchPath, const std::string_view path, c
if (hasPrefix(path, "nix/")) if (hasPrefix(path, "nix/"))
return concatStrings(corepkgsPrefix, path.substr(4)); return concatStrings(corepkgsPrefix, path.substr(4));
auto e = ThrownError({ debugThrowLastTrace(ThrownError({
.msg = hintfmt(evalSettings.pureEval .msg = hintfmt(evalSettings.pureEval
? "cannot look up '<%s>' in pure evaluation mode (use '--impure' to override)" ? "cannot look up '<%s>' in pure evaluation mode (use '--impure' to override)"
: "file '%s' was not found in the Nix search path (add it using $NIX_PATH or -I)", : "file '%s' was not found in the Nix search path (add it using $NIX_PATH or -I)",
path), path),
.errPos = positions[pos] .errPos = positions[pos]
}); }));
debugThrowLastTrace(e);
} }

294
src/libexpr/primops.cc
View file

@ -46,10 +46,7 @@ StringMap EvalState::realiseContext(const PathSet & context)
auto [ctx, outputName] = decodeContext(*store, i); auto [ctx, outputName] = decodeContext(*store, i);
auto ctxS = store->printStorePath(ctx); auto ctxS = store->printStorePath(ctx);
if (!store->isValidPath(ctx)) if (!store->isValidPath(ctx))
{ debugThrowLastTrace(InvalidPathError(store->printStorePath(ctx)));
auto e = InvalidPathError(store->printStorePath(ctx));
debugThrowLastTrace(e);
}
if (!outputName.empty() && ctx.isDerivation()) { if (!outputName.empty() && ctx.isDerivation()) {
drvs.push_back({ctx, {outputName}}); drvs.push_back({ctx, {outputName}});
} else { } else {
@ -60,12 +57,9 @@ StringMap EvalState::realiseContext(const PathSet & context)
if (drvs.empty()) return {}; if (drvs.empty()) return {};
if (!evalSettings.enableImportFromDerivation) if (!evalSettings.enableImportFromDerivation)
{ debugThrowLastTrace(Error(
auto e = Error(
"cannot build '%1%' during evaluation because the option 'allow-import-from-derivation' is disabled", "cannot build '%1%' during evaluation because the option 'allow-import-from-derivation' is disabled",
store->printStorePath(drvs.begin()->drvPath)); store->printStorePath(drvs.begin()->drvPath)));
debugThrowLastTrace(e);
}
/* Build/substitute the context. */ /* Build/substitute the context. */
std::vector<DerivedPath> buildReqs; std::vector<DerivedPath> buildReqs;
@ -77,11 +71,9 @@ StringMap EvalState::realiseContext(const PathSet & context)
const auto outputPaths = store->queryDerivationOutputMap(drvPath); const auto outputPaths = store->queryDerivationOutputMap(drvPath);
for (auto & outputName : outputs) { for (auto & outputName : outputs) {
auto outputPath = get(outputPaths, outputName); auto outputPath = get(outputPaths, outputName);
if (!outputPath) { if (!outputPath)
auto e = Error("derivation '%s' does not have an output named '%s'", debugThrowLastTrace(Error("derivation '%s' does not have an output named '%s'",
store->printStorePath(drvPath), outputName); store->printStorePath(drvPath), outputName));
debugThrowLastTrace(e);
}
res.insert_or_assign( res.insert_or_assign(
downstreamPlaceholder(*store, drvPath, outputName), downstreamPlaceholder(*store, drvPath, outputName),
store->printStorePath(*outputPath) store->printStorePath(*outputPath)
@ -326,23 +318,17 @@ void prim_importNative(EvalState & state, const PosIdx pos, Value * * args, Valu
std::string sym(state.forceStringNoCtx(*args[1], pos)); std::string sym(state.forceStringNoCtx(*args[1], pos));
void *handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL); void *handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL);
if (!handle) { if (!handle)
auto e = EvalError("could not open '%1%': %2%", path, dlerror()); state.debugThrowLastTrace(EvalError("could not open '%1%': %2%", path, dlerror()));
state.debugThrowLastTrace(e);
}
dlerror(); dlerror();
ValueInitializer func = (ValueInitializer) dlsym(handle, sym.c_str()); ValueInitializer func = (ValueInitializer) dlsym(handle, sym.c_str());
if(!func) { if(!func) {
char *message = dlerror(); char *message = dlerror();
if (message) { if (message)
auto e = EvalError("could not load symbol '%1%' from '%2%': %3%", sym, path, message); state.debugThrowLastTrace(EvalError("could not load symbol '%1%' from '%2%': %3%", sym, path, message));
state.debugThrowLastTrace(e); else
} else { state.debugThrowLastTrace(EvalError("symbol '%1%' from '%2%' resolved to NULL when a function pointer was expected", sym, path));
auto e = EvalError("symbol '%1%' from '%2%' resolved to NULL when a function pointer was expected",
sym, path);
state.debugThrowLastTrace(e);
}
} }
(func)(state, v); (func)(state, v);
@ -357,13 +343,11 @@ void prim_exec(EvalState & state, const PosIdx pos, Value * * args, Value & v)
state.forceList(*args[0], pos); state.forceList(*args[0], pos);
auto elems = args[0]->listElems(); auto elems = args[0]->listElems();
auto count = args[0]->listSize(); auto count = args[0]->listSize();
if (count == 0) { if (count == 0)
auto e = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("at least one argument to 'exec' required"), .msg = hintfmt("at least one argument to 'exec' required"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
PathSet context; PathSet context;
auto program = state.coerceToString(pos, *elems[0], context, false, false).toOwned(); auto program = state.coerceToString(pos, *elems[0], context, false, false).toOwned();
Strings commandArgs; Strings commandArgs;
@ -373,12 +357,11 @@ void prim_exec(EvalState & state, const PosIdx pos, Value * * args, Value & v)
try { try {
auto _ = state.realiseContext(context); // FIXME: Handle CA derivations auto _ = state.realiseContext(context); // FIXME: Handle CA derivations
} catch (InvalidPathError & e) { } catch (InvalidPathError & e) {
auto ee = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("cannot execute '%1%', since path '%2%' is not valid", .msg = hintfmt("cannot execute '%1%', since path '%2%' is not valid",
program, e.path), program, e.path),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(ee);
} }
auto output = runProgram(program, true, commandArgs); auto output = runProgram(program, true, commandArgs);
@ -561,10 +544,8 @@ struct CompareValues
return v1->fpoint < v2->integer; return v1->fpoint < v2->integer;
if (v1->type() == nInt && v2->type() == nFloat) if (v1->type() == nInt && v2->type() == nFloat)
return v1->integer < v2->fpoint; return v1->integer < v2->fpoint;
if (v1->type() != v2->type()) { if (v1->type() != v2->type())
auto e = EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)); state.debugThrowLastTrace(EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)));
state.debugThrowLastTrace(e);
}
switch (v1->type()) { switch (v1->type()) {
case nInt: case nInt:
return v1->integer < v2->integer; return v1->integer < v2->integer;
@ -585,10 +566,8 @@ struct CompareValues
return (*this)(v1->listElems()[i], v2->listElems()[i]); return (*this)(v1->listElems()[i], v2->listElems()[i]);
} }
} }
default: { default:
auto e = EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)); state.debugThrowLastTrace(EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)));
state.debugThrowLastTrace(e);
}
} }
} }
}; };
@ -618,11 +597,10 @@ static Bindings::iterator getAttr(
auto aPos = attrSet->pos; auto aPos = attrSet->pos;
if (!aPos) { if (!aPos) {
auto e = TypeError({ state.debugThrowLastTrace(TypeError({
.msg = errorMsg, .msg = errorMsg,
.errPos = state.positions[pos], .errPos = state.positions[pos],
}); }));
state.debugThrowLastTrace(e);
} else { } else {
auto e = TypeError({ auto e = TypeError({
.msg = errorMsg, .msg = errorMsg,
@ -685,13 +663,11 @@ static void prim_genericClosure(EvalState & state, const PosIdx pos, Value * * a
Bindings::iterator key = Bindings::iterator key =
e->attrs->find(state.sKey); e->attrs->find(state.sKey);
if (key == e->attrs->end()) { if (key == e->attrs->end())
auto e = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("attribute 'key' required"), .msg = hintfmt("attribute 'key' required"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
state.forceValue(*key->value, pos); state.forceValue(*key->value, pos);
if (!doneKeys.insert(key->value).second) continue; if (!doneKeys.insert(key->value).second) continue;
@ -792,10 +768,7 @@ static RegisterPrimOp primop_abort({
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context).toOwned(); auto s = state.coerceToString(pos, *args[0], context).toOwned();
{ state.debugThrowLastTrace(Abort("evaluation aborted with the following error message: '%1%'", s));
auto e = Abort("evaluation aborted with the following error message: '%1%'", s);
state.debugThrowLastTrace(e);
}
} }
}); });
@ -813,8 +786,7 @@ static RegisterPrimOp primop_throw({
{ {
PathSet context; PathSet context;
auto s = state.coerceToString(pos, *args[0], context).toOwned(); auto s = state.coerceToString(pos, *args[0], context).toOwned();
auto e = ThrownError(s); state.debugThrowLastTrace(ThrownError(s));
state.debugThrowLastTrace(e);
} }
}); });
@ -1069,49 +1041,37 @@ static void prim_derivationStrict(EvalState & state, const PosIdx pos, Value * *
if (s == "recursive") ingestionMethod = FileIngestionMethod::Recursive; if (s == "recursive") ingestionMethod = FileIngestionMethod::Recursive;
else if (s == "flat") ingestionMethod = FileIngestionMethod::Flat; else if (s == "flat") ingestionMethod = FileIngestionMethod::Flat;
else else
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("invalid value '%s' for 'outputHashMode' attribute", s), .msg = hintfmt("invalid value '%s' for 'outputHashMode' attribute", s),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
}; };
auto handleOutputs = [&](const Strings & ss) { auto handleOutputs = [&](const Strings & ss) {
outputs.clear(); outputs.clear();
for (auto & j : ss) { for (auto & j : ss) {
if (outputs.find(j) != outputs.end()) if (outputs.find(j) != outputs.end())
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("duplicate derivation output '%1%'", j), .msg = hintfmt("duplicate derivation output '%1%'", j),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
/* !!! Check whether j is a valid attribute /* !!! Check whether j is a valid attribute
name. */ name. */
/* Derivations cannot be named ‘drv’, because /* Derivations cannot be named ‘drv’, because
then we'd have an attribute ‘drvPath’ in then we'd have an attribute ‘drvPath’ in
the resulting set. */ the resulting set. */
if (j == "drv") if (j == "drv")
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("invalid derivation output name 'drv'" ), .msg = hintfmt("invalid derivation output name 'drv'" ),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
outputs.insert(j); outputs.insert(j);
} }
if (outputs.empty()) if (outputs.empty())
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("derivation cannot have an empty set of outputs"), .msg = hintfmt("derivation cannot have an empty set of outputs"),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
}; };
try { try {
@ -1236,32 +1196,23 @@ static void prim_derivationStrict(EvalState & state, const PosIdx pos, Value * *
/* Do we have all required attributes? */ /* Do we have all required attributes? */
if (drv.builder == "") if (drv.builder == "")
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("required attribute 'builder' missing"), .msg = hintfmt("required attribute 'builder' missing"),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
if (drv.platform == "") if (drv.platform == "")
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("required attribute 'system' missing"), .msg = hintfmt("required attribute 'system' missing"),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
/* Check whether the derivation name is valid. */ /* Check whether the derivation name is valid. */
if (isDerivation(drvName)) if (isDerivation(drvName))
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("derivation names are not allowed to end in '%s'", drvExtension), .msg = hintfmt("derivation names are not allowed to end in '%s'", drvExtension),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
if (outputHash) { if (outputHash) {
/* Handle fixed-output derivations. /* Handle fixed-output derivations.
@ -1269,13 +1220,10 @@ static void prim_derivationStrict(EvalState & state, const PosIdx pos, Value * *
Ignore `__contentAddressed` because fixed output derivations are Ignore `__contentAddressed` because fixed output derivations are
already content addressed. */ already content addressed. */
if (outputs.size() != 1 || *(outputs.begin()) != "out") if (outputs.size() != 1 || *(outputs.begin()) != "out")
{ state.debugThrowLastTrace(Error({
auto e = Error({
.msg = hintfmt("multiple outputs are not supported in fixed-output derivations"), .msg = hintfmt("multiple outputs are not supported in fixed-output derivations"),
.errPos = state.positions[posDrvName] .errPos = state.positions[posDrvName]
}); }));
state.debugThrowLastTrace(e);
}
auto h = newHashAllowEmpty(*outputHash, parseHashTypeOpt(outputHashAlgo)); auto h = newHashAllowEmpty(*outputHash, parseHashTypeOpt(outputHashAlgo));
@ -1443,13 +1391,10 @@ static RegisterPrimOp primop_toPath({
static void prim_storePath(EvalState & state, const PosIdx pos, Value * * args, Value & v) static void prim_storePath(EvalState & state, const PosIdx pos, Value * * args, Value & v)
{ {
if (evalSettings.pureEval) if (evalSettings.pureEval)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("'%s' is not allowed in pure evaluation mode", "builtins.storePath"), .msg = hintfmt("'%s' is not allowed in pure evaluation mode", "builtins.storePath"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
PathSet context; PathSet context;
Path path = state.checkSourcePath(state.coerceToPath(pos, *args[0], context)); Path path = state.checkSourcePath(state.coerceToPath(pos, *args[0], context));
@ -1458,13 +1403,10 @@ static void prim_storePath(EvalState & state, const PosIdx pos, Value * * args,
e.g. nix-push does the right thing. */ e.g. nix-push does the right thing. */
if (!state.store->isStorePath(path)) path = canonPath(path, true); if (!state.store->isStorePath(path)) path = canonPath(path, true);
if (!state.store->isInStore(path)) if (!state.store->isInStore(path))
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("path '%1%' is not in the Nix store", path), .msg = hintfmt("path '%1%' is not in the Nix store", path),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
auto path2 = state.store->toStorePath(path).first; auto path2 = state.store->toStorePath(path).first;
if (!settings.readOnlyMode) if (!settings.readOnlyMode)
state.store->ensurePath(path2); state.store->ensurePath(path2);
@ -1567,10 +1509,7 @@ static void prim_readFile(EvalState & state, const PosIdx pos, Value * * args, V
auto path = realisePath(state, pos, *args[0]); auto path = realisePath(state, pos, *args[0]);
auto s = readFile(path); auto s = readFile(path);
if (s.find((char) 0) != std::string::npos) if (s.find((char) 0) != std::string::npos)
{ state.debugThrowLastTrace(Error("the contents of the file '%1%' cannot be represented as a Nix string", path));
auto e = Error("the contents of the file '%1%' cannot be represented as a Nix string", path);
state.debugThrowLastTrace(e);
}
StorePathSet refs; StorePathSet refs;
if (state.store->isInStore(path)) { if (state.store->isInStore(path)) {
try { try {
@ -1622,14 +1561,12 @@ static void prim_findFile(EvalState & state, const PosIdx pos, Value * * args, V
auto rewrites = state.realiseContext(context); auto rewrites = state.realiseContext(context);
path = rewriteStrings(path, rewrites); path = rewriteStrings(path, rewrites);
} catch (InvalidPathError & e) { } catch (InvalidPathError & e) {
auto ee = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("cannot find '%1%', since path '%2%' is not valid", path, e.path), .msg = hintfmt("cannot find '%1%', since path '%2%' is not valid", path, e.path),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(ee);
} }
searchPath.emplace_back(prefix, path); searchPath.emplace_back(prefix, path);
} }
@ -1650,13 +1587,10 @@ static void prim_hashFile(EvalState & state, const PosIdx pos, Value * * args, V
auto type = state.forceStringNoCtx(*args[0], pos); auto type = state.forceStringNoCtx(*args[0], pos);
std::optional<HashType> ht = parseHashType(type); std::optional<HashType> ht = parseHashType(type);
if (!ht) if (!ht)
{ state.debugThrowLastTrace(Error({
auto e = Error({
.msg = hintfmt("unknown hash type '%1%'", type), .msg = hintfmt("unknown hash type '%1%'", type),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
auto path = realisePath(state, pos, *args[1]); auto path = realisePath(state, pos, *args[1]);
@ -1893,16 +1827,13 @@ static void prim_toFile(EvalState & state, const PosIdx pos, Value * * args, Val
for (auto path : context) { for (auto path : context) {
if (path.at(0) != '/') if (path.at(0) != '/')
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError( {
.msg = hintfmt( .msg = hintfmt(
"in 'toFile': the file named '%1%' must not contain a reference " "in 'toFile': the file named '%1%' must not contain a reference "
"to a derivation but contains (%2%)", "to a derivation but contains (%2%)",
name, path), name, path),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
refs.insert(state.store->parseStorePath(path)); refs.insert(state.store->parseStorePath(path));
} }
@ -2060,10 +1991,7 @@ static void addPath(
? state.store->computeStorePathForPath(name, path, method, htSHA256, filter).first ? state.store->computeStorePathForPath(name, path, method, htSHA256, filter).first
: state.store->addToStore(name, path, method, htSHA256, filter, state.repair, refs); : state.store->addToStore(name, path, method, htSHA256, filter, state.repair, refs);
if (expectedHash && expectedStorePath != dstPath) if (expectedHash && expectedStorePath != dstPath)
{ state.debugThrowLastTrace(Error("store path mismatch in (possibly filtered) path added from '%s'", path));
auto e = Error("store path mismatch in (possibly filtered) path added from '%s'", path);
state.debugThrowLastTrace(e);
}
state.allowAndSetStorePathString(dstPath, v); state.allowAndSetStorePathString(dstPath, v);
} else } else
state.allowAndSetStorePathString(*expectedStorePath, v); state.allowAndSetStorePathString(*expectedStorePath, v);
@ -2081,15 +2009,12 @@ static void prim_filterSource(EvalState & state, const PosIdx pos, Value * * arg
state.forceValue(*args[0], pos); state.forceValue(*args[0], pos);
if (args[0]->type() != nFunction) if (args[0]->type() != nFunction)
{ state.debugThrowLastTrace(TypeError({
auto e = TypeError({
.msg = hintfmt( .msg = hintfmt(
"first argument in call to 'filterSource' is not a function but %1%", "first argument in call to 'filterSource' is not a function but %1%",
showType(*args[0])), showType(*args[0])),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v, context); addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v, context);
} }
@ -2173,22 +2098,16 @@ static void prim_path(EvalState & state, const PosIdx pos, Value * * args, Value
else if (n == "sha256") else if (n == "sha256")
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos), htSHA256); expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos), htSHA256);
else else
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("unsupported argument '%1%' to 'addPath'", state.symbols[attr.name]), .msg = hintfmt("unsupported argument '%1%' to 'addPath'", state.symbols[attr.name]),
.errPos = state.positions[attr.pos] .errPos = state.positions[attr.pos]
}); }));
state.debugThrowLastTrace(e);
}
} }
if (path.empty()) if (path.empty())
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("'path' required"), .msg = hintfmt("'path' required"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
if (name.empty()) if (name.empty())
name = baseNameOf(path); name = baseNameOf(path);
@ -2560,13 +2479,10 @@ static void prim_functionArgs(EvalState & state, const PosIdx pos, Value * * arg
return; return;
} }
if (!args[0]->isLambda()) if (!args[0]->isLambda())
{ state.debugThrowLastTrace(TypeError({
auto e = TypeError({
.msg = hintfmt("'functionArgs' requires a function"), .msg = hintfmt("'functionArgs' requires a function"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
if (!args[0]->lambda.fun->hasFormals()) { if (!args[0]->lambda.fun->hasFormals()) {
v.mkAttrs(&state.emptyBindings); v.mkAttrs(&state.emptyBindings);
@ -2741,13 +2657,10 @@ static void elemAt(EvalState & state, const PosIdx pos, Value & list, int n, Val
{ {
state.forceList(list, pos); state.forceList(list, pos);
if (n < 0 || (unsigned int) n >= list.listSize()) if (n < 0 || (unsigned int) n >= list.listSize())
{ state.debugThrowLastTrace(Error({
auto e = Error({
.msg = hintfmt("list index %1% is out of bounds", n), .msg = hintfmt("list index %1% is out of bounds", n),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
state.forceValue(*list.listElems()[n], pos); state.forceValue(*list.listElems()[n], pos);
v = *list.listElems()[n]; v = *list.listElems()[n];
} }
@ -2792,13 +2705,10 @@ static void prim_tail(EvalState & state, const PosIdx pos, Value * * args, Value
{ {
state.forceList(*args[0], pos); state.forceList(*args[0], pos);
if (args[0]->listSize() == 0) if (args[0]->listSize() == 0)
{ state.debugThrowLastTrace(Error({
auto e = Error({
.msg = hintfmt("'tail' called on an empty list"), .msg = hintfmt("'tail' called on an empty list"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
state.mkList(v, args[0]->listSize() - 1); state.mkList(v, args[0]->listSize() - 1);
for (unsigned int n = 0; n < v.listSize(); ++n) for (unsigned int n = 0; n < v.listSize(); ++n)
@ -3033,13 +2943,10 @@ static void prim_genList(EvalState & state, const PosIdx pos, Value * * args, Va
auto len = state.forceInt(*args[1], pos); auto len = state.forceInt(*args[1], pos);
if (len < 0) if (len < 0)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("cannot create list of size %1%", len), .msg = hintfmt("cannot create list of size %1%", len),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
state.mkList(v, len); state.mkList(v, len);
@ -3343,13 +3250,10 @@ static void prim_div(EvalState & state, const PosIdx pos, Value * * args, Value
NixFloat f2 = state.forceFloat(*args[1], pos); NixFloat f2 = state.forceFloat(*args[1], pos);
if (f2 == 0) if (f2 == 0)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("division by zero"), .msg = hintfmt("division by zero"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
if (args[0]->type() == nFloat || args[1]->type() == nFloat) { if (args[0]->type() == nFloat || args[1]->type() == nFloat) {
v.mkFloat(state.forceFloat(*args[0], pos) / state.forceFloat(*args[1], pos)); v.mkFloat(state.forceFloat(*args[0], pos) / state.forceFloat(*args[1], pos));
@ -3358,13 +3262,10 @@ static void prim_div(EvalState & state, const PosIdx pos, Value * * args, Value
NixInt i2 = state.forceInt(*args[1], pos); NixInt i2 = state.forceInt(*args[1], pos);
/* Avoid division overflow as it might raise SIGFPE. */ /* Avoid division overflow as it might raise SIGFPE. */
if (i1 == std::numeric_limits<NixInt>::min() && i2 == -1) if (i1 == std::numeric_limits<NixInt>::min() && i2 == -1)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("overflow in integer division"), .msg = hintfmt("overflow in integer division"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
v.mkInt(i1 / i2); v.mkInt(i1 / i2);
} }
@ -3492,13 +3393,10 @@ static void prim_substring(EvalState & state, const PosIdx pos, Value * * args,
auto s = state.coerceToString(pos, *args[2], context); auto s = state.coerceToString(pos, *args[2], context);
if (start < 0) if (start < 0)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("negative start position in 'substring'"), .msg = hintfmt("negative start position in 'substring'"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
v.mkString((unsigned int) start >= s->size() ? "" : s->substr(start, len), context); v.mkString((unsigned int) start >= s->size() ? "" : s->substr(start, len), context);
} }
@ -3546,13 +3444,10 @@ static void prim_hashString(EvalState & state, const PosIdx pos, Value * * args,
auto type = state.forceStringNoCtx(*args[0], pos); auto type = state.forceStringNoCtx(*args[0], pos);
std::optional<HashType> ht = parseHashType(type); std::optional<HashType> ht = parseHashType(type);
if (!ht) if (!ht)
{ state.debugThrowLastTrace(Error({
auto e = Error({
.msg = hintfmt("unknown hash type '%1%'", type), .msg = hintfmt("unknown hash type '%1%'", type),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
PathSet context; // discarded PathSet context; // discarded
auto s = state.forceString(*args[1], context, pos); auto s = state.forceString(*args[1], context, pos);
@ -3622,18 +3517,15 @@ void prim_match(EvalState & state, const PosIdx pos, Value * * args, Value & v)
} catch (std::regex_error &e) { } catch (std::regex_error &e) {
if (e.code() == std::regex_constants::error_space) { if (e.code() == std::regex_constants::error_space) {
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++ // limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
auto e = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re), .msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e); } else
} else { state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("invalid regular expression '%s'", re), .msg = hintfmt("invalid regular expression '%s'", re),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
} }
} }
@ -3729,18 +3621,15 @@ void prim_split(EvalState & state, const PosIdx pos, Value * * args, Value & v)
} catch (std::regex_error &e) { } catch (std::regex_error &e) {
if (e.code() == std::regex_constants::error_space) { if (e.code() == std::regex_constants::error_space) {
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++ // limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
auto e = EvalError({ state.debugThrowLastTrace(EvalError({
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re), .msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e); } else
} else { state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("invalid regular expression '%s'", re), .msg = hintfmt("invalid regular expression '%s'", re),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
} }
} }
@ -3816,13 +3705,10 @@ static void prim_replaceStrings(EvalState & state, const PosIdx pos, Value * * a
state.forceList(*args[0], pos); state.forceList(*args[0], pos);
state.forceList(*args[1], pos); state.forceList(*args[1], pos);
if (args[0]->listSize() != args[1]->listSize()) if (args[0]->listSize() != args[1]->listSize())
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("'from' and 'to' arguments to 'replaceStrings' have different lengths"), .msg = hintfmt("'from' and 'to' arguments to 'replaceStrings' have different lengths"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
std::vector<std::string> from; std::vector<std::string> from;
from.reserve(args[0]->listSize()); from.reserve(args[0]->listSize());

59
src/libexpr/primops/fetchTree.cc
View file

@ -108,22 +108,16 @@ static void fetchTree(
if (auto aType = args[0]->attrs->get(state.sType)) { if (auto aType = args[0]->attrs->get(state.sType)) {
if (type) if (type)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("unexpected attribute 'type'"), .msg = hintfmt("unexpected attribute 'type'"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
type = state.forceStringNoCtx(*aType->value, aType->pos); type = state.forceStringNoCtx(*aType->value, aType->pos);
} else if (!type) } else if (!type)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"), .msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
attrs.emplace("type", type.value()); attrs.emplace("type", type.value());
@ -144,22 +138,16 @@ static void fetchTree(
else if (attr.value->type() == nInt) else if (attr.value->type() == nInt)
attrs.emplace(state.symbols[attr.name], uint64_t(attr.value->integer)); attrs.emplace(state.symbols[attr.name], uint64_t(attr.value->integer));
else else
{ state.debugThrowLastTrace(TypeError("fetchTree argument '%s' is %s while a string, Boolean or integer is expected",
auto e = TypeError("fetchTree argument '%s' is %s while a string, Boolean or integer is expected", state.symbols[attr.name], showType(*attr.value)));
state.symbols[attr.name], showType(*attr.value));
state.debugThrowLastTrace(e);
}
} }
if (!params.allowNameArgument) if (!params.allowNameArgument)
if (auto nameIter = attrs.find("name"); nameIter != attrs.end()) if (auto nameIter = attrs.find("name"); nameIter != attrs.end())
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("attribute 'name' isn’t supported in call to 'fetchTree'"), .msg = hintfmt("attribute 'name' isn’t supported in call to 'fetchTree'"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
input = fetchers::Input::fromAttrs(std::move(attrs)); input = fetchers::Input::fromAttrs(std::move(attrs));
} else { } else {
@ -179,10 +167,7 @@ static void fetchTree(
input = lookupInRegistries(state.store, input).first; input = lookupInRegistries(state.store, input).first;
if (evalSettings.pureEval && !input.isLocked()) if (evalSettings.pureEval && !input.isLocked())
{ state.debugThrowLastTrace(EvalError("in pure evaluation mode, 'fetchTree' requires a locked input, at %s", state.positions[pos]));
auto e = EvalError("in pure evaluation mode, 'fetchTree' requires a locked input, at %s", state.positions[pos]);
state.debugThrowLastTrace(e);
}
auto [tree, input2] = input.fetch(state.store); auto [tree, input2] = input.fetch(state.store);
@ -221,23 +206,17 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
else if (n == "name") else if (n == "name")
name = state.forceStringNoCtx(*attr.value, attr.pos); name = state.forceStringNoCtx(*attr.value, attr.pos);
else else
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("unsupported argument '%s' to '%s'", n, who), .msg = hintfmt("unsupported argument '%s' to '%s'", n, who),
.errPos = state.positions[attr.pos] .errPos = state.positions[attr.pos]
}); }));
state.debugThrowLastTrace(e);
}
} }
if (!url) if (!url)
{ state.debugThrowLastTrace(EvalError({
auto e = EvalError({
.msg = hintfmt("'url' argument required"), .msg = hintfmt("'url' argument required"),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); }));
state.debugThrowLastTrace(e);
}
} else } else
url = state.forceStringNoCtx(*args[0], pos); url = state.forceStringNoCtx(*args[0], pos);
@ -249,10 +228,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
name = baseNameOf(*url); name = baseNameOf(*url);
if (evalSettings.pureEval && !expectedHash) if (evalSettings.pureEval && !expectedHash)
{ state.debugThrowLastTrace(EvalError("in pure evaluation mode, '%s' requires a 'sha256' argument", who));
auto e = EvalError("in pure evaluation mode, '%s' requires a 'sha256' argument", who);
state.debugThrowLastTrace(e);
}
// early exit if pinned and already in the store // early exit if pinned and already in the store
if (expectedHash && expectedHash->type == htSHA256) { if (expectedHash && expectedHash->type == htSHA256) {
@ -279,11 +255,8 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
? state.store->queryPathInfo(storePath)->narHash ? state.store->queryPathInfo(storePath)->narHash
: hashFile(htSHA256, state.store->toRealPath(storePath)); : hashFile(htSHA256, state.store->toRealPath(storePath));
if (hash != *expectedHash) if (hash != *expectedHash)
{ state.debugThrowLastTrace(EvalError((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n specified: %s\n got: %s",
auto e = EvalError((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n specified: %s\n got: %s", *url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true)));
*url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true));
state.debugThrowLastTrace(e);
}
} }
state.allowAndSetStorePathString(storePath, v); state.allowAndSetStorePathString(storePath, v);

3
src/libexpr/value-to-json.cc
View file

@ -100,8 +100,7 @@ void printValueAsJSON(EvalState & state, bool strict,
void ExternalValueBase::printValueAsJSON(EvalState & state, bool strict, void ExternalValueBase::printValueAsJSON(EvalState & state, bool strict,
JSONPlaceholder & out, PathSet & context) const JSONPlaceholder & out, PathSet & context) const
{ {
auto e = TypeError("cannot convert %1% to JSON", showType()); state.debugThrowLastTrace(TypeError("cannot convert %1% to JSON", showType()));
state.debugThrowLastTrace(e);
} }