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-rw-r--r--src/libexpr/parser.y9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y
index f87aa2619..80ecd44c5 100644
--- a/src/libexpr/parser.y
+++ b/src/libexpr/parser.y
@@ -31,10 +31,12 @@ namespace nix {
Path basePath;
Symbol path;
string error;
+ bool atEnd;
Symbol sLetBody;
ParseData(EvalState & state)
: state(state)
, symbols(state.symbols)
+ , atEnd(false)
, sLetBody(symbols.create("<let-body>"))
{ };
};
@@ -539,7 +541,12 @@ Expr * EvalState::parse(const char * text,
int res = yyparse(scanner, &data);
yylex_destroy(scanner);
- if (res) throw ParseError(data.error);
+ if (res) {
+ if (data.atEnd)
+ throw IncompleteParseError(data.error);
+ else
+ throw ParseError(data.error);
+ }
data.result->bindVars(staticEnv);