wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 10:41:16 +02:00
Code Activity

Print value on type error

Browse source 
Adds the failing value to `value is <TYPE> while a <TYPE> is expected`
error messages.
This commit is contained in:
Rebecca Turner 2023-12-06 16:03:01 -08:00
parent b74ec56da9
commit cb7fbd4d83
No known key found for this signature in database
19 changed files with 227 additions and 136 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/libexpr/eval.cc
View file

@ -2,6 +2,7 @@
#include "eval-settings.hh"
#include "hash.hh"
#include "primops.hh"
#include "print-options.hh"
#include "types.hh"
#include "util.hh"
#include "store-api.hh"
@ -29,9 +30,9 @@
#include <unistd.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <iostream>
#include <fstream>
#include <functional>
#include <iostream>
#include <sys/resource.h>
#include <nlohmann/json.hpp>
@ -1153,7 +1154,10 @@ inline bool EvalState::evalBool(Env & env, Expr * e, const PosIdx pos, std::stri
Value v;
e->eval(*this, env, v);
if (v.type() != nBool)
error("value is %1% while a Boolean was expected", showType(v)).withFrame(env, *e).debugThrow<TypeError>();
error("expected a Boolean but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.withFrame(env, *e).debugThrow<TypeError>();
return v.boolean;
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
@ -1167,7 +1171,10 @@ inline void EvalState::evalAttrs(Env & env, Expr * e, Value & v, const PosIdx po
try {
e->eval(*this, env, v);
if (v.type() != nAttrs)
error("value is %1% while a set was expected", showType(v)).withFrame(env, *e).debugThrow<TypeError>();
error("expected a set but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.withFrame(env, *e).debugThrow<TypeError>();
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
throw;
@ -2076,7 +2083,10 @@ NixInt EvalState::forceInt(Value & v, const PosIdx pos, std::string_view errorCt
try {
forceValue(v, pos);
if (v.type() != nInt)
error("value is %1% while an integer was expected", showType(v)).debugThrow<TypeError>();
error("expected an integer but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.debugThrow<TypeError>();
return v.integer;
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
@ -2092,7 +2102,10 @@ NixFloat EvalState::forceFloat(Value & v, const PosIdx pos, std::string_view err
if (v.type() == nInt)
return v.integer;
else if (v.type() != nFloat)
error("value is %1% while a float was expected", showType(v)).debugThrow<TypeError>();
error("expected a float but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.debugThrow<TypeError>();
return v.fpoint;
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
@ -2106,7 +2119,10 @@ bool EvalState::forceBool(Value & v, const PosIdx pos, std::string_view errorCtx
try {
forceValue(v, pos);
if (v.type() != nBool)
error("value is %1% while a Boolean was expected", showType(v)).debugThrow<TypeError>();
error("expected a Boolean but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.debugThrow<TypeError>();
return v.boolean;
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
@ -2126,7 +2142,10 @@ void EvalState::forceFunction(Value & v, const PosIdx pos, std::string_view erro
try {
forceValue(v, pos);
if (v.type() != nFunction && !isFunctor(v))
error("value is %1% while a function was expected", showType(v)).debugThrow<TypeError>();
error("expected a function but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.debugThrow<TypeError>();
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);
throw;
@ -2139,7 +2158,10 @@ std::string_view EvalState::forceString(Value & v, const PosIdx pos, std::string
try {
forceValue(v, pos);
if (v.type() != nString)
error("value is %1% while a string was expected", showType(v)).debugThrow<TypeError>();
error("expected a string but found %1%: %2%",
showType(v),
ValuePrinter(*this, v, errorPrintOptions))
.debugThrow<TypeError>();
return v.string_view();
} catch (Error & e) {
e.addTrace(positions[pos], errorCtx);