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Show position info in string concatenation / addition errors

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This commit is contained in:
Eelco Dolstra 2014-04-04 22:19:33 +02:00
parent 8160f794e7
commit bd9b1d97b4
7 changed files with 63 additions and 45 deletions
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39
src/libexpr/eval.cc
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@ -275,6 +275,16 @@ LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2))
throw EvalError(format(s) % s2);
}
LocalNoInlineNoReturn(void throwEvalError(const char * s, const Pos & pos))
{
throw EvalError(format(s) % pos);
}
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, const Pos & pos))
{
throw EvalError(format(s) % s2 % pos);
}
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, const string & s3))
{
throw EvalError(format(s) % s2 % s3);
@ -295,6 +305,11 @@ LocalNoInlineNoReturn(void throwTypeError(const char * s))
throw TypeError(s);
}
LocalNoInlineNoReturn(void throwTypeError(const char * s, const Pos & pos))
{
throw TypeError(format(s) % pos);
}
LocalNoInlineNoReturn(void throwTypeError(const char * s, const string & s1))
{
throw TypeError(format(s) % s1);
@ -648,7 +663,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
foreach (AttrDefs::iterator, i, attrs)
v.attrs->push_back(Attr(i->first, i->second.e->maybeThunk(state, env), &i->second.pos));
/* dynamic attrs apply *after* rec and __overrides */
/* Dynamic attrs apply *after* rec and __overrides. */
foreach (DynamicAttrDefs::iterator, i, dynamicAttrs) {
Value nameVal;
if (i->nameExpr->es->size() == 1) {
@ -1113,17 +1128,17 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
if (firstType == tInt) {
if (vTmp.type != tInt)
throwEvalError("cannot add %1% to an integer", showType(vTmp));
throwEvalError("cannot add %1% to an integer, at %2%", showType(vTmp), pos);
n += vTmp.integer;
} else
s << state.coerceToString(vTmp, context, false, firstType == tString);
s << state.coerceToString(pos, vTmp, context, false, firstType == tString);
}
if (firstType == tInt)
mkInt(v, n);
else if (firstType == tPath) {
if (!context.empty())
throwEvalError("a string that refers to a store path cannot be appended to a path, in `%1%'", s.str());
throwEvalError("a string that refers to a store path cannot be appended to a path, at %1%", pos);
mkPath(v, s.str().c_str());
} else
mkString(v, s.str(), context);
@ -1233,7 +1248,7 @@ bool EvalState::isDerivation(Value & v)
}
string EvalState::coerceToString(Value & v, PathSet & context,
string EvalState::coerceToString(const Pos & pos, Value & v, PathSet & context,
bool coerceMore, bool copyToStore)
{
forceValue(v);
@ -1252,8 +1267,8 @@ string EvalState::coerceToString(Value & v, PathSet & context,
if (v.type == tAttrs) {
Bindings::iterator i = v.attrs->find(sOutPath);
if (i == v.attrs->end()) throwTypeError("cannot coerce a set to a string");
return coerceToString(*i->value, context, coerceMore, copyToStore);
if (i == v.attrs->end()) throwTypeError("cannot coerce a set to a string, at %1%", pos);
return coerceToString(pos, *i->value, context, coerceMore, copyToStore);
}
if (coerceMore) {
@ -1268,7 +1283,7 @@ string EvalState::coerceToString(Value & v, PathSet & context,
if (v.type == tList) {
string result;
for (unsigned int n = 0; n < v.list.length; ++n) {
result += coerceToString(*v.list.elems[n],
result += coerceToString(pos, *v.list.elems[n],
context, coerceMore, copyToStore);
if (n < v.list.length - 1
/* !!! not quite correct */
@ -1279,7 +1294,7 @@ string EvalState::coerceToString(Value & v, PathSet & context,
}
}
throwTypeError("cannot coerce %1% to a string", v);
throwTypeError("cannot coerce %1% to a string, at %2%", v, pos);
}
@ -1305,11 +1320,11 @@ string EvalState::copyPathToStore(PathSet & context, const Path & path)
}
Path EvalState::coerceToPath(Value & v, PathSet & context)
Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context)
{
string path = coerceToString(v, context, false, false);
string path = coerceToString(pos, v, context, false, false);
if (path == "" || path[0] != '/')
throwEvalError("string `%1%' doesn't represent an absolute path", path);
throwEvalError("string `%1%' doesn't represent an absolute path, at %1%", path, pos);
return path;
}