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main : Fix Ctrl+D/newline handling (#12951)

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This restores the behavior from #491. This does not affect Ctrl+D's ability to
terminate --multiline-input lines (#1040).

This also actually implements #587: "If the user wants the text to end in a
newline, this should be accomplished by explicitly adding a newline by using
\ followed by return, then returning control by pressing return again."

Fixes #12949
This commit is contained in:
Daniel Tang
2025-04-18 16:02:55 -04:00
committed by GitHub
parent aff9d107b0
commit 6408210082
1 changed files with 16 additions and 5 deletions
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21
examples/main/main.cpp
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@ -865,9 +865,22 @@ int main(int argc, char ** argv) {
console::set_display(console::reset);
display = true;
// Add tokens to embd only if the input buffer is non-empty
// Entering a empty line lets the user pass control back
if (buffer.length() > 1) {
if (buffer.empty()) { // Ctrl+D on empty line exits
LOG("EOF by user\n");
break;
}
if (buffer.back() == '\n') {
// Implement #587:
// If the user wants the text to end in a newline,
// this should be accomplished by explicitly adding a newline by using \ followed by return,
// then returning control by pressing return again.
buffer.pop_back();
}
if (buffer.empty()) { // Enter key on empty line lets the user pass control back
LOG_DBG("empty line, passing control back\n");
} else { // Add tokens to embd only if the input buffer is non-empty
// append input suffix if any
if (!params.input_suffix.empty() && !params.conversation_mode) {
LOG_DBG("appending input suffix: '%s'\n", params.input_suffix.c_str());
@ -915,8 +928,6 @@ int main(int argc, char ** argv) {
n_remain -= line_inp.size();
LOG_DBG("n_remain: %d\n", n_remain);
} else {
LOG_DBG("empty line, passing control back\n");
}
input_echo = false; // do not echo this again