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Repaired the output of the "eval" command.

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This commit is contained in:
John Wiegley 2009-02-08 04:32:46 -04:00
parent 2d5ad7dee8
commit d6d0b75bf0
1 changed files with 15 additions and 8 deletions
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23
src/precmd.cc
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@ -71,19 +71,26 @@ value_t parse_command(call_scope_t& args)
value_t eval_command(call_scope_t& args) value_t eval_command(call_scope_t& args)
{ {
var_t<string> arg(args, 0); std::ostringstream buf;
bool first = true;
if (! arg) { for (std::size_t i = 0; i < args.size(); i++) {
throw std::logic_error("Usage: eval TEXT"); if (first) {
return 1L; buf << args[i];
first = false;
} else {
buf << ' ' << args[i];
}
} }
report_t& report(find_scope<report_t>(args)); report_t& report(find_scope<report_t>(args));
std::ostream& out(report.output_stream);
expr_t expr(*arg); expr_t expr(buf.str());
out << expr.calc(args).strip_annotations(report.what_to_keep()) value_t result(expr.calc(args).strip_annotations(report.what_to_keep()));
<< std::endl;
if (! result.is_null())
report.output_stream << result << std::endl;
return 0L; return 0L;
} }