forked from lix-project/lix
move throw to preverve Error type; turn off debugger for tryEval
This commit is contained in:
Ben Burdette
parent
1a93ac8133
commit
b8b8ec7101
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@ -528,14 +528,22 @@ std::string AttrCursor::getString()
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debug("using cached string attribute '%s'", getAttrPathStr());
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return s->first;
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} else
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root->state.debug_throw(TypeError("'%s' is not a string", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not a string", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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}
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}
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auto & v = forceValue();
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if (v.type() != nString && v.type() != nPath)
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root->state.debug_throw(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
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{
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auto e = TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
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root->state.debugLastTrace(e);
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throw e;
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}
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return v.type() == nString ? v.string.s : v.path;
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}
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@ -559,7 +567,11 @@ string_t AttrCursor::getStringWithContext()
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return *s;
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}
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} else
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root->state.debug_throw(TypeError("'%s' is not a string", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not a string", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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}
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}
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@ -571,7 +583,9 @@ string_t AttrCursor::getStringWithContext()
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return {v.path, {}};
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else
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{
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root->state.debug_throw(TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type())));
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auto e = TypeError("'%s' is not a string but %s", getAttrPathStr(), showType(v.type()));
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root->state.debugLastTrace(e);
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throw e;
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return {v.path, {}}; // should never execute
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}
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}
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@ -586,14 +600,22 @@ bool AttrCursor::getBool()
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debug("using cached Boolean attribute '%s'", getAttrPathStr());
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return *b;
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} else
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root->state.debug_throw(TypeError("'%s' is not a Boolean", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not a Boolean", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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}
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}
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auto & v = forceValue();
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if (v.type() != nBool)
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root->state.debug_throw(TypeError("'%s' is not a Boolean", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not a Boolean", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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return v.boolean;
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}
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@ -608,14 +630,22 @@ std::vector<Symbol> AttrCursor::getAttrs()
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debug("using cached attrset attribute '%s'", getAttrPathStr());
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return *attrs;
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} else
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root->state.debug_throw(TypeError("'%s' is not an attribute set", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not an attribute set", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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}
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}
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auto & v = forceValue();
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if (v.type() != nAttrs)
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root->state.debug_throw(TypeError("'%s' is not an attribute set", getAttrPathStr()));
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{
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auto e = TypeError("'%s' is not an attribute set", getAttrPathStr());
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root->state.debugLastTrace(e);
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throw e;
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}
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std::vector<Symbol> attrs;
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for (auto & attr : *getValue().attrs)
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@ -833,15 +833,13 @@ LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string & s2
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throw error;
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}
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void EvalState::debug_throw(Error e) {
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void EvalState::debugLastTrace(Error & e) {
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// call this in the situation where Expr and Env are inaccessible. The debugger will start in the last context
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// that's in the DebugTrace stack.
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if (debuggerHook && !debugTraces.empty()) {
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DebugTrace &last = debugTraces.front();
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debuggerHook(&e, last.env, last.expr);
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}
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throw e;
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}
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LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const Suggestions & suggestions, const char * s, const std::string & s2, Env & env, Expr &expr))
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@ -865,10 +863,7 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const
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.errPos = pos
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});
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if (debuggerHook && !evalState.debugTraces.empty()) {
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DebugTrace &last = evalState.debugTraces.front();
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debuggerHook(&error, last.env, last.expr);
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}
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evalState.debugLastTrace(error);
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throw error;
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}
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@ -906,10 +901,7 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const
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.errPos = pos
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});
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if (debuggerHook && !evalState.debugTraces.empty()) {
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DebugTrace &last = evalState.debugTraces.front();
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debuggerHook(&error, last.env, last.expr);
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}
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evalState.debugLastTrace(error);
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throw error;
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}
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@ -921,10 +913,7 @@ LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string & s2
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.errPos = noPos
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});
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if (debuggerHook && !evalState.debugTraces.empty()) {
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DebugTrace &last = evalState.debugTraces.front();
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debuggerHook(&error, last.env, last.expr);
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}
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evalState.debugLastTrace(error);
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throw error;
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}
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@ -950,10 +939,7 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, EvalS
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.errPos = pos
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});
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if (debuggerHook && !evalState.debugTraces.empty()) {
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DebugTrace &last = evalState.debugTraces.front();
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debuggerHook(&error, last.env, last.expr);
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}
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evalState.debugLastTrace(error);
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throw error;
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}
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@ -972,8 +958,6 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const
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throw error;
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}
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// LocalNoInlineNoReturn(void throwTypeError(const char * s, const Value & v));
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LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, Env & env, Expr &expr))
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{
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auto error = TypeError({
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@ -119,7 +119,7 @@ public:
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bool debugStop;
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bool debugQuit;
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std::list<DebugTrace> debugTraces;
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void debug_throw(Error e);
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void debugLastTrace(Error & e);
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private:
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SrcToStore srcToStore;
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@ -783,14 +783,15 @@ Path EvalState::findFile(SearchPath & searchPath, const std::string_view path, c
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if (hasPrefix(path, "nix/"))
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return concatStrings(corepkgsPrefix, path.substr(4));
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debug_throw(ThrownError({
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auto e = ThrownError({
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.msg = hintfmt(evalSettings.pureEval
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? "cannot look up '<%s>' in pure evaluation mode (use '--impure' to override)"
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: "file '%s' was not found in the Nix search path (add it using $NIX_PATH or -I)",
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path),
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.errPos = pos
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}));
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return Path(); // should never execute due to debug_throw above.
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});
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debugLastTrace(e);
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throw e;
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}
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@ -46,7 +46,11 @@ StringMap EvalState::realiseContext(const PathSet & context)
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auto [ctx, outputName] = decodeContext(*store, i);
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auto ctxS = store->printStorePath(ctx);
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if (!store->isValidPath(ctx))
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debug_throw(InvalidPathError(store->printStorePath(ctx)));
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{
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auto e = InvalidPathError(store->printStorePath(ctx));
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debugLastTrace(e);
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throw e;
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}
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if (!outputName.empty() && ctx.isDerivation()) {
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drvs.push_back({ctx, {outputName}});
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} else {
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@ -57,9 +61,13 @@ StringMap EvalState::realiseContext(const PathSet & context)
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if (drvs.empty()) return {};
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if (!evalSettings.enableImportFromDerivation)
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debug_throw(Error(
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{
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auto e = Error(
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"cannot build '%1%' during evaluation because the option 'allow-import-from-derivation' is disabled",
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store->printStorePath(drvs.begin()->drvPath)));
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store->printStorePath(drvs.begin()->drvPath));
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debugLastTrace(e);
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throw e;
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}
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/* Build/substitute the context. */
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std::vector<DerivedPath> buildReqs;
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@ -71,8 +79,12 @@ StringMap EvalState::realiseContext(const PathSet & context)
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auto outputPaths = store->queryDerivationOutputMap(drvPath);
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for (auto & outputName : outputs) {
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if (outputPaths.count(outputName) == 0)
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debug_throw(Error("derivation '%s' does not have an output named '%s'",
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store->printStorePath(drvPath), outputName));
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{
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auto e = Error("derivation '%s' does not have an output named '%s'",
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store->printStorePath(drvPath), outputName);
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debugLastTrace(e);
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throw e;
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}
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res.insert_or_assign(
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downstreamPlaceholder(*store, drvPath, outputName),
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store->printStorePath(outputPaths.at(outputName))
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@ -318,17 +330,29 @@ void prim_importNative(EvalState & state, const Pos & pos, Value * * args, Value
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void *handle = dlopen(path.c_str(), RTLD_LAZY | RTLD_LOCAL);
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if (!handle)
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state.debug_throw(EvalError("could not open '%1%': %2%", path, dlerror()));
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{
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auto e = EvalError("could not open '%1%': %2%", path, dlerror());
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state.debugLastTrace(e);
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throw e;
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}
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dlerror();
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ValueInitializer func = (ValueInitializer) dlsym(handle, sym.c_str());
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if(!func) {
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char *message = dlerror();
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if (message)
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state.debug_throw(EvalError("could not load symbol '%1%' from '%2%': %3%", sym, path, message));
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{
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auto e = EvalError("could not load symbol '%1%' from '%2%': %3%", sym, path, message);
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state.debugLastTrace(e);
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throw e;
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}
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else
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state.debug_throw(EvalError("symbol '%1%' from '%2%' resolved to NULL when a function pointer was expected",
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sym, path));
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{
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auto e = EvalError("symbol '%1%' from '%2%' resolved to NULL when a function pointer was expected",
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sym, path);
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state.debugLastTrace(e);
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throw e;
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}
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}
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(func)(state, v);
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@ -344,10 +368,12 @@ void prim_exec(EvalState & state, const Pos & pos, Value * * args, Value & v)
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auto elems = args[0]->listElems();
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auto count = args[0]->listSize();
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if (count == 0) {
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state.debug_throw(EvalError({
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auto e = EvalError({
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.msg = hintfmt("at least one argument to 'exec' required"),
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.errPos = pos
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}));
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});
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state.debugLastTrace(e);
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throw e;
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}
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PathSet context;
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auto program = state.coerceToString(pos, *elems[0], context, false, false).toOwned();
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@ -358,11 +384,13 @@ void prim_exec(EvalState & state, const Pos & pos, Value * * args, Value & v)
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try {
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auto _ = state.realiseContext(context); // FIXME: Handle CA derivations
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} catch (InvalidPathError & e) {
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state.debug_throw(EvalError({
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auto ee = EvalError({
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.msg = hintfmt("cannot execute '%1%', since path '%2%' is not valid",
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program, e.path),
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.errPos = pos
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}));
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});
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state.debugLastTrace(ee);
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throw ee;
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}
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auto output = runProgram(program, true, commandArgs);
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@ -545,7 +573,11 @@ struct CompareValues
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if (v1->type() == nInt && v2->type() == nFloat)
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return v1->integer < v2->fpoint;
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if (v1->type() != v2->type())
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state.debug_throw(EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)));
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{
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auto e = EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2));
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state.debugLastTrace(e);
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throw e;
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}
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switch (v1->type()) {
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case nInt:
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return v1->integer < v2->integer;
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@ -567,8 +599,11 @@ struct CompareValues
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}
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}
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default:
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state.debug_throw(EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2)));
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return false;
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{
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auto e = EvalError("cannot compare %1% with %2%", showType(*v1), showType(*v2));
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state.debugLastTrace(e);
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throw e;
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}
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}
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}
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};
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@ -598,10 +633,12 @@ static Bindings::iterator getAttr(
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Pos aPos = *attrSet->pos;
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if (aPos == noPos) {
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state.debug_throw(TypeError({
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auto e = TypeError({
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.msg = errorMsg,
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.errPos = pos,
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}));
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});
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state.debugLastTrace(e);
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throw e;
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} else {
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auto e = TypeError({
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.msg = errorMsg,
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@ -611,7 +648,8 @@ static Bindings::iterator getAttr(
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// Adding another trace for the function name to make it clear
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// which call received wrong arguments.
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e.addTrace(pos, hintfmt("while invoking '%s'", funcName));
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state.debug_throw(e);
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state.debugLastTrace(e);
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throw e;
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}
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}
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@ -665,10 +703,14 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar
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Bindings::iterator key =
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e->attrs->find(state.sKey);
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if (key == e->attrs->end())
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state.debug_throw(EvalError({
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{
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auto e = EvalError({
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.msg = hintfmt("attribute 'key' required"),
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.errPos = pos
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}));
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});
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state.debugLastTrace(e);
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throw e;
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}
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state.forceValue(*key->value, pos);
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if (!doneKeys.insert(key->value).second) continue;
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@ -768,7 +810,11 @@ static RegisterPrimOp primop_abort({
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{
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PathSet context;
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auto s = state.coerceToString(pos, *args[0], context).toOwned();
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state.debug_throw(Abort("evaluation aborted with the following error message: '%1%'", s));
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{
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auto e = Abort("evaluation aborted with the following error message: '%1%'", s);
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state.debugLastTrace(e);
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throw e;
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}
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}
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});
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@ -786,7 +832,9 @@ static RegisterPrimOp primop_throw({
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{
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PathSet context;
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auto s = state.coerceToString(pos, *args[0], context).toOwned();
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state.debug_throw(ThrownError(s));
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auto e = ThrownError(s);
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state.debugLastTrace(e);
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throw e;
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}
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});
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@ -851,6 +899,8 @@ static RegisterPrimOp primop_floor({
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static void prim_tryEval(EvalState & state, const Pos & pos, Value * * args, Value & v)
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{
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auto attrs = state.buildBindings(2);
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auto saveDebuggerHook = debuggerHook;
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debuggerHook = 0;
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try {
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state.forceValue(*args[0], pos);
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attrs.insert(state.sValue, args[0]);
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@ -859,6 +909,7 @@ static void prim_tryEval(EvalState & state, const Pos & pos, Value * * args, Val
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attrs.alloc(state.sValue).mkBool(false);
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attrs.alloc("success").mkBool(false);
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}
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debuggerHook = saveDebuggerHook;
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v.mkAttrs(attrs);
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}
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@ -1041,37 +1092,53 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
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if (s == "recursive") ingestionMethod = FileIngestionMethod::Recursive;
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else if (s == "flat") ingestionMethod = FileIngestionMethod::Flat;
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else
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state.debug_throw(EvalError({
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{
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auto e = EvalError({
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.msg = hintfmt("invalid value '%s' for 'outputHashMode' attribute", s),
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.errPos = posDrvName
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}));
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});
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state.debugLastTrace(e);
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throw e;
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}
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};
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auto handleOutputs = [&](const Strings & ss) {
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outputs.clear();
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for (auto & j : ss) {
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if (outputs.find(j) != outputs.end())
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state.debug_throw(EvalError({
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{
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auto e = EvalError({
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.msg = hintfmt("duplicate derivation output '%1%'", j),
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.errPos = posDrvName
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||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
/* !!! Check whether j is a valid attribute
|
||||
name. */
|
||||
/* Derivations cannot be named ‘drv’, because
|
||||
then we'd have an attribute ‘drvPath’ in
|
||||
the resulting set. */
|
||||
if (j == "drv")
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("invalid derivation output name 'drv'" ),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
outputs.insert(j);
|
||||
}
|
||||
if (outputs.empty())
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("derivation cannot have an empty set of outputs"),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
};
|
||||
|
||||
try {
|
||||
|
|
@ -1196,23 +1263,35 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
|
|||
|
||||
/* Do we have all required attributes? */
|
||||
if (drv.builder == "")
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("required attribute 'builder' missing"),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
if (drv.platform == "")
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("required attribute 'system' missing"),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
/* Check whether the derivation name is valid. */
|
||||
if (isDerivation(drvName))
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("derivation names are not allowed to end in '%s'", drvExtension),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
if (outputHash) {
|
||||
/* Handle fixed-output derivations.
|
||||
|
|
@ -1220,10 +1299,14 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
|
|||
Ignore `__contentAddressed` because fixed output derivations are
|
||||
already content addressed. */
|
||||
if (outputs.size() != 1 || *(outputs.begin()) != "out")
|
||||
state.debug_throw(Error({
|
||||
{
|
||||
auto e = Error({
|
||||
.msg = hintfmt("multiple outputs are not supported in fixed-output derivations"),
|
||||
.errPos = posDrvName
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
auto h = newHashAllowEmpty(*outputHash, parseHashTypeOpt(outputHashAlgo));
|
||||
|
||||
|
|
@ -1386,10 +1469,14 @@ static RegisterPrimOp primop_toPath({
|
|||
static void prim_storePath(EvalState & state, const Pos & pos, Value * * args, Value & v)
|
||||
{
|
||||
if (evalSettings.pureEval)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("'%s' is not allowed in pure evaluation mode", "builtins.storePath"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
PathSet context;
|
||||
Path path = state.checkSourcePath(state.coerceToPath(pos, *args[0], context));
|
||||
|
|
@ -1398,10 +1485,14 @@ static void prim_storePath(EvalState & state, const Pos & pos, Value * * args, V
|
|||
e.g. nix-push does the right thing. */
|
||||
if (!state.store->isStorePath(path)) path = canonPath(path, true);
|
||||
if (!state.store->isInStore(path))
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("path '%1%' is not in the Nix store", path),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
auto path2 = state.store->toStorePath(path).first;
|
||||
if (!settings.readOnlyMode)
|
||||
state.store->ensurePath(path2);
|
||||
|
|
@ -1504,7 +1595,11 @@ static void prim_readFile(EvalState & state, const Pos & pos, Value * * args, Va
|
|||
auto path = realisePath(state, pos, *args[0]);
|
||||
auto s = readFile(path);
|
||||
if (s.find((char) 0) != std::string::npos)
|
||||
state.debug_throw(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.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
StorePathSet refs;
|
||||
if (state.store->isInStore(path)) {
|
||||
try {
|
||||
|
|
@ -1556,10 +1651,12 @@ static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Va
|
|||
auto rewrites = state.realiseContext(context);
|
||||
path = rewriteStrings(path, rewrites);
|
||||
} catch (InvalidPathError & e) {
|
||||
state.debug_throw(EvalError({
|
||||
auto ee = EvalError({
|
||||
.msg = hintfmt("cannot find '%1%', since path '%2%' is not valid", path, e.path),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(ee);
|
||||
throw ee;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1583,10 +1680,14 @@ static void prim_hashFile(EvalState & state, const Pos & pos, Value * * args, Va
|
|||
auto type = state.forceStringNoCtx(*args[0], pos);
|
||||
std::optional<HashType> ht = parseHashType(type);
|
||||
if (!ht)
|
||||
state.debug_throw(Error({
|
||||
{
|
||||
auto e = Error({
|
||||
.msg = hintfmt("unknown hash type '%1%'", type),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
auto path = realisePath(state, pos, *args[1]);
|
||||
|
||||
|
|
@ -1823,13 +1924,17 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
|
|||
|
||||
for (auto path : context) {
|
||||
if (path.at(0) != '/')
|
||||
state.debug_throw(EvalError( {
|
||||
{
|
||||
auto e = EvalError( {
|
||||
.msg = hintfmt(
|
||||
"in 'toFile': the file named '%1%' must not contain a reference "
|
||||
"to a derivation but contains (%2%)",
|
||||
name, path),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
refs.insert(state.store->parseStorePath(path));
|
||||
}
|
||||
|
||||
|
|
@ -1986,7 +2091,11 @@ static void addPath(
|
|||
? state.store->computeStorePathForPath(name, path, method, htSHA256, filter).first
|
||||
: state.store->addToStore(name, path, method, htSHA256, filter, state.repair, refs);
|
||||
if (expectedHash && expectedStorePath != dstPath)
|
||||
state.debug_throw(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.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
state.allowAndSetStorePathString(dstPath, v);
|
||||
} else
|
||||
state.allowAndSetStorePathString(*expectedStorePath, v);
|
||||
|
|
@ -2004,12 +2113,16 @@ static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args
|
|||
|
||||
state.forceValue(*args[0], pos);
|
||||
if (args[0]->type() != nFunction)
|
||||
state.debug_throw(TypeError({
|
||||
{
|
||||
auto e = TypeError({
|
||||
.msg = hintfmt(
|
||||
"first argument in call to 'filterSource' is not a function but %1%",
|
||||
showType(*args[0])),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v, context);
|
||||
}
|
||||
|
|
@ -2093,16 +2206,24 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
|
|||
else if (n == "sha256")
|
||||
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos), htSHA256);
|
||||
else
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("unsupported argument '%1%' to 'addPath'", attr.name),
|
||||
.errPos = *attr.pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
if (path.empty())
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("'path' required"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
if (name.empty())
|
||||
name = baseNameOf(path);
|
||||
|
||||
|
|
@ -2473,10 +2594,14 @@ static void prim_functionArgs(EvalState & state, const Pos & pos, Value * * args
|
|||
return;
|
||||
}
|
||||
if (!args[0]->isLambda())
|
||||
state.debug_throw(TypeError({
|
||||
{
|
||||
auto e = TypeError({
|
||||
.msg = hintfmt("'functionArgs' requires a function"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
if (!args[0]->lambda.fun->hasFormals()) {
|
||||
v.mkAttrs(&state.emptyBindings);
|
||||
|
|
@ -2564,7 +2689,8 @@ static void prim_zipAttrsWith(EvalState & state, const Pos & pos, Value * * args
|
|||
attrsSeen[attr.name].first++;
|
||||
} catch (TypeError & e) {
|
||||
e.addTrace(pos, hintfmt("while invoking '%s'", "zipAttrsWith"));
|
||||
state.debug_throw(e);
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2651,10 +2777,14 @@ static void elemAt(EvalState & state, const Pos & pos, Value & list, int n, Valu
|
|||
{
|
||||
state.forceList(list, pos);
|
||||
if (n < 0 || (unsigned int) n >= list.listSize())
|
||||
state.debug_throw(Error({
|
||||
{
|
||||
auto e = Error({
|
||||
.msg = hintfmt("list index %1% is out of boundz", n),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
state.forceValue(*list.listElems()[n], pos);
|
||||
v = *list.listElems()[n];
|
||||
}
|
||||
|
|
@ -2699,10 +2829,14 @@ static void prim_tail(EvalState & state, const Pos & pos, Value * * args, Value
|
|||
{
|
||||
state.forceList(*args[0], pos);
|
||||
if (args[0]->listSize() == 0)
|
||||
state.debug_throw(Error({
|
||||
{
|
||||
auto e = Error({
|
||||
.msg = hintfmt("'tail' called on an empty list"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
state.mkList(v, args[0]->listSize() - 1);
|
||||
for (unsigned int n = 0; n < v.listSize(); ++n)
|
||||
|
|
@ -2937,10 +3071,14 @@ static void prim_genList(EvalState & state, const Pos & pos, Value * * args, Val
|
|||
auto len = state.forceInt(*args[1], pos);
|
||||
|
||||
if (len < 0)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("cannot create list of size %1%", len),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
state.mkList(v, len);
|
||||
|
||||
|
|
@ -3149,7 +3287,8 @@ static void prim_concatMap(EvalState & state, const Pos & pos, Value * * args, V
|
|||
state.forceList(lists[n], lists[n].determinePos(args[0]->determinePos(pos)));
|
||||
} catch (TypeError &e) {
|
||||
e.addTrace(pos, hintfmt("while invoking '%s'", "concatMap"));
|
||||
state.debug_throw(e);
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
len += lists[n].listSize();
|
||||
}
|
||||
|
|
@ -3244,10 +3383,14 @@ static void prim_div(EvalState & state, const Pos & pos, Value * * args, Value &
|
|||
|
||||
NixFloat f2 = state.forceFloat(*args[1], pos);
|
||||
if (f2 == 0)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("division by zero"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
if (args[0]->type() == nFloat || args[1]->type() == nFloat) {
|
||||
v.mkFloat(state.forceFloat(*args[0], pos) / state.forceFloat(*args[1], pos));
|
||||
|
|
@ -3256,10 +3399,14 @@ static void prim_div(EvalState & state, const Pos & pos, Value * * args, Value &
|
|||
NixInt i2 = state.forceInt(*args[1], pos);
|
||||
/* Avoid division overflow as it might raise SIGFPE. */
|
||||
if (i1 == std::numeric_limits<NixInt>::min() && i2 == -1)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("overflow in integer division"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
v.mkInt(i1 / i2);
|
||||
}
|
||||
|
|
@ -3387,10 +3534,14 @@ static void prim_substring(EvalState & state, const Pos & pos, Value * * args, V
|
|||
auto s = state.coerceToString(pos, *args[2], context);
|
||||
|
||||
if (start < 0)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("negative start position in 'substring'"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
v.mkString((unsigned int) start >= s->size() ? "" : s->substr(start, len), context);
|
||||
}
|
||||
|
|
@ -3438,10 +3589,14 @@ static void prim_hashString(EvalState & state, const Pos & pos, Value * * args,
|
|||
auto type = state.forceStringNoCtx(*args[0], pos);
|
||||
std::optional<HashType> ht = parseHashType(type);
|
||||
if (!ht)
|
||||
state.debug_throw(Error({
|
||||
{
|
||||
auto e = Error({
|
||||
.msg = hintfmt("unknown hash type '%1%'", type),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
PathSet context; // discarded
|
||||
auto s = state.forceString(*args[1], context, pos);
|
||||
|
|
@ -3511,15 +3666,19 @@ void prim_match(EvalState & state, const Pos & pos, Value * * args, Value & v)
|
|||
} catch (std::regex_error &e) {
|
||||
if (e.code() == std::regex_constants::error_space) {
|
||||
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
|
||||
state.debug_throw(EvalError({
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
} else {
|
||||
state.debug_throw(EvalError({
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("invalid regular expression '%s'", re),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -3616,15 +3775,19 @@ void prim_split(EvalState & state, const Pos & pos, Value * * args, Value & v)
|
|||
} catch (std::regex_error &e) {
|
||||
if (e.code() == std::regex_constants::error_space) {
|
||||
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
|
||||
state.debug_throw(EvalError({
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
} else {
|
||||
state.debug_throw(EvalError({
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("invalid regular expression '%s'", re),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -3701,10 +3864,14 @@ static void prim_replaceStrings(EvalState & state, const Pos & pos, Value * * ar
|
|||
state.forceList(*args[0], pos);
|
||||
state.forceList(*args[1], pos);
|
||||
if (args[0]->listSize() != args[1]->listSize())
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("'from' and 'to' arguments to 'replaceStrings' have different lengths"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
std::vector<std::string> from;
|
||||
from.reserve(args[0]->listSize());
|
||||
|
|
|
|||
|
|
@ -108,16 +108,25 @@ static void fetchTree(
|
|||
|
||||
if (auto aType = args[0]->attrs->get(state.sType)) {
|
||||
if (type)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("unexpected attribute 'type'"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
|
||||
}
|
||||
type = state.forceStringNoCtx(*aType->value, *aType->pos);
|
||||
} else if (!type)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("attribute 'type' is missing in call to 'fetchTree'"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
attrs.emplace("type", type.value());
|
||||
|
||||
|
|
@ -138,16 +147,24 @@ static void fetchTree(
|
|||
else if (attr.value->type() == nInt)
|
||||
attrs.emplace(attr.name, uint64_t(attr.value->integer));
|
||||
else
|
||||
state.debug_throw(TypeError("fetchTree argument '%s' is %s while a string, Boolean or integer is expected",
|
||||
attr.name, showType(*attr.value)));
|
||||
{
|
||||
auto e = TypeError("fetchTree argument '%s' is %s while a string, Boolean or integer is expected",
|
||||
attr.name, showType(*attr.value));
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
if (!params.allowNameArgument)
|
||||
if (auto nameIter = attrs.find("name"); nameIter != attrs.end())
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("attribute 'name' isn’t supported in call to 'fetchTree'"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
input = fetchers::Input::fromAttrs(std::move(attrs));
|
||||
} else {
|
||||
|
|
@ -167,7 +184,11 @@ static void fetchTree(
|
|||
input = lookupInRegistries(state.store, input).first;
|
||||
|
||||
if (evalSettings.pureEval && !input.isLocked())
|
||||
state.debug_throw(EvalError("in pure evaluation mode, 'fetchTree' requires a locked input, at %s", pos));
|
||||
{
|
||||
auto e = EvalError("in pure evaluation mode, 'fetchTree' requires a locked input, at %s", pos);
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
auto [tree, input2] = input.fetch(state.store);
|
||||
|
||||
|
|
@ -205,18 +226,25 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
|
|||
expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, *attr.pos), htSHA256);
|
||||
else if (n == "name")
|
||||
name = state.forceStringNoCtx(*attr.value, *attr.pos);
|
||||
else
|
||||
state.debug_throw(EvalError({
|
||||
else {
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("unsupported argument '%s' to '%s'", attr.name, who),
|
||||
.errPos = *attr.pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
if (!url)
|
||||
state.debug_throw(EvalError({
|
||||
{
|
||||
auto e = EvalError({
|
||||
.msg = hintfmt("'url' argument required"),
|
||||
.errPos = pos
|
||||
}));
|
||||
});
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
} else
|
||||
url = state.forceStringNoCtx(*args[0], pos);
|
||||
|
||||
|
|
@ -228,7 +256,11 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
|
|||
name = baseNameOf(*url);
|
||||
|
||||
if (evalSettings.pureEval && !expectedHash)
|
||||
state.debug_throw(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.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
// early exit if pinned and already in the store
|
||||
if (expectedHash && expectedHash->type == htSHA256) {
|
||||
|
|
@ -255,8 +287,12 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
|
|||
? state.store->queryPathInfo(storePath)->narHash
|
||||
: hashFile(htSHA256, state.store->toRealPath(storePath));
|
||||
if (hash != *expectedHash)
|
||||
state.debug_throw(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)));
|
||||
{
|
||||
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));
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
state.allowAndSetStorePathString(storePath, v);
|
||||
|
|
|
|||
|
|
@ -85,7 +85,8 @@ void printValueAsJSON(EvalState & state, bool strict,
|
|||
.errPos = v.determinePos(pos)
|
||||
});
|
||||
e.addTrace(pos, hintfmt("message for the trace"));
|
||||
state.debug_throw(e);
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -99,7 +100,9 @@ void printValueAsJSON(EvalState & state, bool strict,
|
|||
void ExternalValueBase::printValueAsJSON(EvalState & state, bool strict,
|
||||
JSONPlaceholder & out, PathSet & context) const
|
||||
{
|
||||
state.debug_throw(TypeError("cannot convert %1% to JSON", showType()));
|
||||
auto e = TypeError("cannot convert %1% to JSON", showType());
|
||||
state.debugLastTrace(e);
|
||||
throw e;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue