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throwEvalError; mapBindings

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This commit is contained in:
Ben Burdette 2021-05-13 16:00:48 -06:00
parent 459bccc750
commit ab19d1685d
1 changed files with 57 additions and 22 deletions
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79
src/libexpr/eval.cc
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@ -617,20 +617,43 @@ std::optional<EvalState::Doc> EvalState::getDoc(Value & v)
}
// typedef std::optional<const std::map<std::string, Value *>> valmap;
typedef const std::map<std::string, Value *> valmap;
typedef std::map<std::string, Value *> valmap;
static valmap* map1(const char *name, Value *v) __attribute__((noinline));
valmap* map1(const char *name, Value *v)
static valmap * map0() __attribute__((noinline));
valmap * map0()
{
// return new valmap({{name, v}});
return new valmap({{name, v}});
return new valmap();
}
static valmap * map1(const char *name, Value *v) __attribute__((noinline));
valmap * map1(const char *name, Value *v)
{
// return new valmap({{name, v}});
return new valmap({{name, v}});
}
static valmap* map2(const char *name1, Value *v1, const char *name2, Value *v2) __attribute__((noinline));
valmap* map2(const char *name1, Value *v1, const char *name2, Value *v2)
static valmap * map2(const char *name1, Value *v1, const char *name2, Value *v2) __attribute__((noinline));
valmap * map2(const char *name1, Value *v1, const char *name2, Value *v2)
{
return new valmap({{name1, v1}, {name2, v2}});
return new valmap({{name1, v1}, {name2, v2}});
}
static valmap * mapBindings(Bindings *b) __attribute__((noinline));
valmap * mapBindings(Bindings *b)
{
auto map = new valmap();
// auto v = new Value;
for (auto i = b->begin(); i != b->end(); ++i)
{
std::string s = i->name;
(*map)[s] = i->value;
// map->insert({std::string("wat"), v});
}
return map;
}
/* Every "format" object (even temporary) takes up a few hundred bytes
@ -638,17 +661,27 @@ valmap* map2(const char *name1, Value *v1, const char *name2, Value *v2)
evaluator. So here are some helper functions for throwing
exceptions. */
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2))
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, valmap * env))
{
throw EvalError(s, s2);
auto delenv = std::unique_ptr<valmap>(env);
auto error = EvalError(s, s2);
if (debuggerHook)
debuggerHook(error, *env);
throw error;
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2))
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2, valmap * env))
{
throw EvalError({
auto delenv = std::unique_ptr<valmap>(env);
auto error = EvalError({
.msg = hintfmt(s, s2),
.errPos = pos
});
if (debuggerHook)
debuggerHook(error, *env);
throw error;
}
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, const string & s3))
@ -673,7 +706,7 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & p1, const char * s, const
});
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, valmap* env))
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, valmap * env))
{
auto delenv = std::unique_ptr<valmap>(env);
auto error = TypeError({
@ -686,7 +719,7 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, valma
throw error;
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const Value & v, valmap* env))
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const Value & v, valmap * env))
{
auto delenv = std::unique_ptr<valmap>(env);
auto error = TypeError({
@ -699,7 +732,7 @@ LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const
throw error;
}
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, valmap* env))
LocalNoInlineNoReturn(void throwTypeError(const Pos & pos, const char * s, const ExprLambda & fun, const Symbol & s2, valmap * env))
{
auto delenv = std::unique_ptr<valmap>(env);
auto error = TypeError({
@ -730,7 +763,7 @@ LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char *
});
}
LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const string & s1, valmap* env))
LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const string & s1, valmap * env))
{
auto error = MissingArgumentError({
.msg = hintfmt(s, s1),
@ -1198,7 +1231,7 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
} else {
state.forceAttrs(*vAttrs, pos);
if ((j = vAttrs->attrs->find(name)) == vAttrs->attrs->end())
throwEvalError(pos, "attribute '%1%' missing", name);
throwEvalError(pos, "attribute '%1%' missing", name, mapBindings(vAttrs->attrs));
}
vAttrs = j->value;
pos2 = j->pos;
@ -1463,7 +1496,7 @@ void EvalState::autoCallFunction(Bindings & args, Value & fun, Value & res)
Nix attempted to evaluate a function as a top level expression; in
this case it must have its arguments supplied either by default
values, or passed explicitly with '--arg' or '--argstr'. See
https://nixos.org/manual/nix/stable/#ss-functions.)",
https://nixos.org/manual/nix/stable/#ss-functions.)",
i.name,
map1("fun", &fun)); // todo add bindings.
}
@ -1651,14 +1684,14 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
nf = n;
nf += vTmp.fpoint;
} else
throwEvalError(pos, "cannot add %1% to an integer", showType(vTmp));
throwEvalError(pos, "cannot add %1% to an integer", showType(vTmp), map0());
} else if (firstType == nFloat) {
if (vTmp.type() == nInt) {
nf += vTmp.integer;
} else if (vTmp.type() == nFloat) {
nf += vTmp.fpoint;
} else
throwEvalError(pos, "cannot add %1% to a float", showType(vTmp));
throwEvalError(pos, "cannot add %1% to a float", showType(vTmp), map0());
} else
s << state.coerceToString(pos, vTmp, context, false, firstType == nString);
}
@ -1914,7 +1947,9 @@ string EvalState::coerceToString(const Pos & pos, Value & v, PathSet & context,
string EvalState::copyPathToStore(PathSet & context, const Path & path)
{
if (nix::isDerivation(path))
throwEvalError("file names are not allowed to end in '%1%'", drvExtension);
throwEvalError("file names are not allowed to end in '%1%'",
drvExtension,
map0());
Path dstPath;
auto i = srcToStore.find(path);
@ -1938,7 +1973,7 @@ Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context)
{
string path = coerceToString(pos, v, context, false, false);
if (path == "" || path[0] != '/')
throwEvalError(pos, "string '%1%' doesn't represent an absolute path", path);
throwEvalError(pos, "string '%1%' doesn't represent an absolute path", path, map1("value", &v));
return path;
}