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Prefer to throw specific errors

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Signed-off-by: Pamplemousse <xav.maso@gmail.com>
This commit is contained in:
Pamplemousse 2021-06-29 14:28:43 -07:00
parent decc14d4b7
commit 4a7a8b87cd
4 changed files with 6 additions and 6 deletions
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2
src/libcmd/command.cc
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@ -188,7 +188,7 @@ void MixProfile::updateProfile(const BuiltPaths & buildables)
} }
if (result.size() != 1) if (result.size() != 1)
throw Error("'--profile' requires that the arguments produce a single store path, but there are %d", result.size()); throw UsageError("'--profile' requires that the arguments produce a single store path, but there are %d", result.size());
updateProfile(result[0]); updateProfile(result[0]);
} }

6
src/libexpr/attr-path.cc
View file

@ -19,7 +19,7 @@ static Strings parseAttrPath(std::string_view s)
++i; ++i;
while (1) { while (1) {
if (i == s.end()) if (i == s.end())
throw Error("missing closing quote in selection path '%1%'", s); throw ParseError("missing closing quote in selection path '%1%'", s);
if (*i == '"') break; if (*i == '"') break;
cur.push_back(*i++); cur.push_back(*i++);
} }
@ -116,14 +116,14 @@ Pos findDerivationFilename(EvalState & state, Value & v, std::string what)
auto colon = pos.rfind(':'); auto colon = pos.rfind(':');
if (colon == std::string::npos) if (colon == std::string::npos)
throw Error("cannot parse meta.position attribute '%s'", pos); throw ParseError("cannot parse meta.position attribute '%s'", pos);
std::string filename(pos, 0, colon); std::string filename(pos, 0, colon);
unsigned int lineno; unsigned int lineno;
try { try {
lineno = std::stoi(std::string(pos, colon + 1)); lineno = std::stoi(std::string(pos, colon + 1));
} catch (std::invalid_argument & e) { } catch (std::invalid_argument & e) {
throw Error("cannot parse line number '%s'", pos); throw ParseError("cannot parse line number '%s'", pos);
} }
Symbol file = state.symbols.create(filename); Symbol file = state.symbols.create(filename);

2
src/libexpr/eval.cc
View file

@ -908,7 +908,7 @@ void EvalState::evalFile(const Path & path_, Value & v, bool mustBeTrivial)
// computation. // computation.
if (mustBeTrivial && if (mustBeTrivial &&
!(dynamic_cast<ExprAttrs *>(e))) !(dynamic_cast<ExprAttrs *>(e)))
throw Error("file '%s' must be an attribute set", path); throw EvalError("file '%s' must be an attribute set", path);
eval(e, v); eval(e, v);
} catch (Error & e) { } catch (Error & e) {
addErrorTrace(e, "while evaluating the file '%1%':", path2); addErrorTrace(e, "while evaluating the file '%1%':", path2);

2
src/libutil/url.cc
View file

@ -32,7 +32,7 @@ ParsedURL parseURL(const std::string & url)
auto isFile = scheme.find("file") != std::string::npos; auto isFile = scheme.find("file") != std::string::npos;
if (authority && *authority != "" && isFile) if (authority && *authority != "" && isFile)
throw Error("file:// URL '%s' has unexpected authority '%s'", throw BadURL("file:// URL '%s' has unexpected authority '%s'",
url, *authority); url, *authority);
if (isFile && path.empty()) if (isFile && path.empty())