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fixup! Merge remote-tracking branch 'origin/master' into coerce-string

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This commit is contained in:
Guillaume Maudoux 2022-03-18 10:11:36 +01:00
parent ca5c3e86ab
commit ad3fadb95a
1 changed files with 70 additions and 54 deletions
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124
src/libexpr/eval.cc
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@ -706,31 +706,66 @@ std::optional<EvalState::Doc> EvalState::getDoc(Value & v)
evaluator. So here are some helper functions for throwing
exceptions. */
LocalNoInlineNoReturn(void throwTypeErrorWithTrace(const Pos & pos, const char * s, const std::string & s2, const Symbol & sym, const Pos & p2, const std::string & s3))
LocalNoInlineNoReturn(void throwTypeErrorWithTrace(
const Pos & pos,
const char * s,
const std::string & s2,
const Symbol & sym,
const Pos & p2,
const char * s3))
{
throw EvalError({
.msg = hintfmt(s, s2, sym),
.errPos = pos
.errPos = pos,
}).addTrace(p2, s3);
}
LocalNoInlineNoReturn(void throwTypeErrorWithTrace(
const Pos & pos,
const Suggestions & suggestions,
const char * s,
const std::string & s2,
const Symbol & sym,
const Pos & p2,
const char * s3))
{
throw EvalError({
.msg = hintfmt(s, s2, sym),
.errPos = pos,
.suggestions = suggestions
}).addTrace(p2, s3);
}
LocalNoInlineNoReturn(void throwTypeErrorWithTrace(const char * s, const std::string & s2, const Pos & p2, const std::string_view s3))
{
throw TypeError(ErrorInfo {
.msg = hintfmt(s, s2),
}).addTrace(p2, s3);
}
LocalNoInlineNoReturn(void throwEvalErrorWithTrace(const char * s, const std::string & s2, const Pos & p2, const std::string_view s3))
{
throw EvalError(ErrorInfo {
.msg = hintfmt(s, s2),
}).addTrace(p2, s3);
}
LocalNoInlineNoReturn(void throwEvalErrorWithTrace(const char * s, const std::string_view & s2, const std::string_view & s3, const Pos & p2, const std::string_view s4))
{
throw EvalError(ErrorInfo {
.msg = hintfmt(s, s2, s3),
}).addTrace(p2, s4);
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const Suggestions & suggestions, const char * s, const std::string & s2))
{
throw EvalError(ErrorInfo {
throw EvalError({
.msg = hintfmt(s, s2),
.errPos = pos,
.suggestions = suggestions,
});
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const std::string & s2))
{
throw EvalError(ErrorInfo {
.msg = hintfmt(s, s2),
.errPos = pos
});
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const Value & v))
{
throw AssertionError({
@ -748,32 +783,16 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const
});
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s))
LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string_view & s1))
{
throw TypeError({
.msg = hintfmt(s),
.errPos = pos
});
throw EvalError(s, s1);
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2))
LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string_view & s1, const std::string_view & s2))
{
throw TypeError({
.msg = hintfmt(s, fun.showNamePos(), s2),
.errPos = pos
});
throw EvalError(s, s1, s2);
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const Suggestions & suggestions, const char * s, const ExprLambda & fun, const Symbol & s2))
{
throw TypeError(ErrorInfo {
.msg = hintfmt(s, fun.showNamePos(), s2),
.errPos = pos,
.suggestions = suggestions,
});
}
LocalNoInlineNoReturn(void throwTypeError(const char * s, const Value & v))
{
throw TypeError(s, showType(v));
@ -1008,11 +1027,9 @@ void EvalState::cacheFile(
fileParseCache[resolvedPath] = e;
try {
// Enforce that 'flake.nix' is a direct attrset, not a
// computation.
if (mustBeTrivial &&
!(dynamic_cast<ExprAttrs *>(e)))
throw EvalError("file '%s' must be an attribute set", path);
// Enforce that 'flake.nix' is a direct attrset, not a computation.
if (mustBeTrivial && !(dynamic_cast<ExprAttrs *>(e)))
throwEvalError("file '%s' must be an attribute set", path);
eval(e, v);
} catch (Error & e) {
addErrorTrace(e, "while evaluating the file '%1%':", resolvedPath);
@ -1036,7 +1053,7 @@ inline bool EvalState::evalBool(Env & env, Expr * e, const Pos & pos, const std:
Value v;
e->eval(*this, env, v);
if (v.type() != nBool)
throw TypeError("value is %1% while a Boolean was expected", showType(v));
throwTypeError("value is %1% while a Boolean was expected", v);
return v.boolean;
} catch (Error & e) {
e.addTrace(pos, errorCtx);
@ -1050,7 +1067,7 @@ inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v, const Pos & pos
try {
e->eval(*this, env, v);
if (v.type() != nAttrs)
throw TypeError("value is %1% while a set was expected", showType(v));
throwTypeError("value is %1% while a set was expected", v);
} catch (Error & e) {
e.addTrace(pos, errorCtx);
throw;
@ -1857,7 +1874,7 @@ NixInt EvalState::forceInt(Value & v, const Pos & pos, const std::string_view &
try {
forceValue(v, pos);
if (v.type() != nInt)
throw TypeError("value is %1% while an integer was expected", showType(v));
throwTypeError("value is %1% while an integer was expected", v);
return v.integer;
} catch (Error & e) {
e.addTrace(pos, errorCtx);
@ -1873,7 +1890,7 @@ NixFloat EvalState::forceFloat(Value & v, const Pos & pos, const std::string_vie
if (v.type() == nInt)
return v.integer;
else if (v.type() != nFloat)
throw TypeError("value is %1% while a float was expected", showType(v));
throwTypeError("value is %1% while a float was expected", v);
return v.fpoint;
} catch (Error & e) {
e.addTrace(pos, errorCtx);
@ -1887,7 +1904,7 @@ bool EvalState::forceBool(Value & v, const Pos & pos, const std::string_view & e
try {
forceValue(v, pos);
if (v.type() != nBool)
throw TypeError("value is %1% while a Boolean was expected", showType(v));
throwTypeError("value is %1% while a Boolean was expected", v);
return v.boolean;
} catch (Error & e) {
e.addTrace(pos, errorCtx);
@ -1907,7 +1924,7 @@ void EvalState::forceFunction(Value & v, const Pos & pos, const std::string_view
try {
forceValue(v, pos);
if (v.type() != nFunction && !isFunctor(v))
throw TypeError("value is %1% while a function was expected", showType(v));
throwTypeError("value is %1% while a function was expected", v);
} catch (Error & e) {
e.addTrace(pos, errorCtx);
throw;
@ -1920,7 +1937,7 @@ std::string_view EvalState::forceString(Value & v, const Pos & pos, const std::s
try {
forceValue(v, pos);
if (v.type() != nString)
throw TypeError("value is %1% while a string was expected", showType(v));
throwTypeError("value is %1% while a string was expected", v);
return v.string.s;
} catch (Error & e) {
e.addTrace(pos, errorCtx);
@ -1974,9 +1991,9 @@ std::string_view EvalState::forceStringNoCtx(Value & v, const Pos & pos, const s
auto s = forceString(v, pos, errorCtx);
if (v.string.context) {
if (pos)
throw EvalError("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string.s, v.string.context[0]);
throwEvalError("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string.s, v.string.context[0]);
else
throw EvalError("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string.s, v.string.context[0]);
throwEvalError("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string.s, v.string.context[0]);
}
return s;
} catch (Error & e) {
@ -2035,9 +2052,8 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
if (maybeString)
return std::move(*maybeString);
auto i = v.attrs->find(sOutPath);
if (i == v.attrs->end()) {
throw TypeError("cannot coerce %1% to a string", showType(v)).addTrace(pos, errorCtx);
}
if (i == v.attrs->end())
throwTypeErrorWithTrace("cannot coerce %1% to a string", showType(v), pos, errorCtx);
return coerceToString(pos, *i->value, context, coerceMore, copyToStore, canonicalizePath, errorCtx);
}
@ -2073,14 +2089,14 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
}
}
throw TypeError("cannot coerce %1% to a string", showType(v)).addTrace(pos, errorCtx);
throwTypeErrorWithTrace("cannot coerce %1% to a string", showType(v), pos, errorCtx);
}
std::string EvalState::copyPathToStore(PathSet & context, const Path & path)
{
if (nix::isDerivation(path))
throw EvalError("file names are not allowed to end in '%1%'", drvExtension);
throwEvalError("file names are not allowed to end in '%1%'", drvExtension);
Path dstPath;
auto i = srcToStore.find(path);
@ -2105,7 +2121,7 @@ Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context, cons
{
auto path = coerceToString(pos, v, context, false, false, true, errorCtx).toOwned();
if (path == "" || path[0] != '/')
throw EvalError("string '%1%' doesn't represent an absolute path", path).addTrace(pos, errorCtx);
throwEvalErrorWithTrace("string '%1%' doesn't represent an absolute path", path, pos, errorCtx);
return path;
}
@ -2115,7 +2131,7 @@ StorePath EvalState::coerceToStorePath(const Pos & pos, Value & v, PathSet & con
auto path = coerceToString(pos, v, context, false, false, true, errorCtx).toOwned();
if (auto storePath = store->maybeParseStorePath(path))
return *storePath;
throw EvalError("path '%1%' is not in the Nix store", path).addTrace(pos, errorCtx);
throwEvalErrorWithTrace("path '%1%' is not in the Nix store", path, pos, errorCtx);
}
@ -2193,7 +2209,7 @@ bool EvalState::eqValues(Value & v1, Value & v2, const Pos & pos, const std::str
return v1.fpoint == v2.fpoint;
default:
throw EvalError("cannot compare %1% with %2%", showType(v1), showType(v2)).addTrace(pos, errorCtx);
throwEvalErrorWithTrace("cannot compare %1% with %2%", showType(v1), showType(v2), pos, errorCtx);
}
}
@ -2317,7 +2333,7 @@ void EvalState::printStats()
std::string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore, const std::string_view & errorCtx) const
{
throw TypeError("cannot coerce %1% to a string", showType()).addTrace(pos, errorCtx);
throwTypeErrorWithTrace("cannot coerce %1% to a string", showType(), pos, errorCtx);
}