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Ignore blank inputs.

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Previously, nix-repl would consider this an incomplete parse and wait for the
next line as if it was a multiline input.

Blank lines in the middle of a multiline input will continue to work.
This commit is contained in:
Scott Olson 2016-02-23 18:30:21 -06:00
parent 87e6649fc3
commit 38816759fc
1 changed files with 1 additions and 1 deletions
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2
nix-repl.cc
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@ -106,7 +106,7 @@ void NixRepl::mainLoop(const Strings & files)
} }
try { try {
if (!processLine(input)) return; if (!removeWhitespace(input).empty() && !processLine(input)) return;
} catch (ParseError & e) { } catch (ParseError & e) {
if (e.msg().find("unexpected $end") != std::string::npos) { if (e.msg().find("unexpected $end") != std::string::npos) {
// For parse errors on incomplete input, we continue waiting for the next line of // For parse errors on incomplete input, we continue waiting for the next line of