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more pos reporting

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This commit is contained in:
Ben Burdette 2020-05-11 17:34:57 -06:00
parent 631642c5b4
commit 7c3138844c
2 changed files with 11 additions and 5 deletions
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8
src/libexpr/nixexpr.cc
View file

@ -267,8 +267,12 @@ void ExprVar::bindVars(const StaticEnv & env)
/* Otherwise, the variable must be obtained from the nearest
enclosing `with'. If there is no `with', then we can issue an
"undefined variable" error now. */
if (withLevel == -1) throw UndefinedVarError("undefined variable '%1%' at %2%", name, pos);
if (withLevel == -1)
throw UndefinedVarError(
ErrorInfo {
.hint = hintfmt("undefined variable '%1%'", name),
.nixCode = NixCode { .errPos = pos }
});
fromWith = true;
this->level = withLevel;
}

8
src/libexpr/parser.y
View file

@ -31,7 +31,7 @@ namespace nix {
Expr * result;
Path basePath;
Symbol path;
string error;
ErrorInfo error;
Symbol sLetBody;
ParseData(EvalState & state)
: state(state)
@ -261,8 +261,10 @@ static inline Pos makeCurPos(const YYLTYPE & loc, ParseData * data)
void yyerror(YYLTYPE * loc, yyscan_t scanner, ParseData * data, const char * error)
{
data->error = (format("%1%, at %2%")
% error % makeCurPos(*loc, data)).str();
data->error = ErrorInfo {
.hint = hintfmt(error),
.nixCode = NixCode { .errPos = makeCurPos(*loc, data) }
};
}