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better error message on failure to open JSON file

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Darrell Harmon 2018-11-11 12:50:14 -07:00
parent 15d9b3d3cc
commit cdd0f0fea0
1 changed files with 4 additions and 0 deletions
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4
json/jsonparse.cc
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@ -749,6 +749,10 @@ bool parse_json_file(std::istream &f, std::string &filename, Context *ctx)
{ {
try { try {
using namespace JsonParser; using namespace JsonParser;
if (!f)
log_error("failed to open JSON file.\n");
int lineno = 1; int lineno = 1;
JsonNode root(f, lineno); JsonNode root(f, lineno);