HOTFIX: allow file output to stdout

Author: matt-cornell

cobalt-cli/src/main.rs

@@ -417,7 +417,7 @@ fn driver() -> anyhow::Result<()> {
                     inkwell::targets::RelocMode::PIC,
                     inkwell::targets::CodeModel::Small
                 ).expect("failed to create target machine");
-                let output = (input != "-").then(|| output.map(String::from).unwrap_or_else(|| match emit {
+                let mut output = output.map(String::from).or_else(|| (input != "-").then(|| match emit {
                     OutputType::Executable => format!("{}{}", input.rfind('.').map_or(input.as_str(), |i| &input[..i]), if triple.contains("windows") {".exe"} else {""}),
                     OutputType::Library => libs::format_lib(input.rfind('.').map_or(input.as_str(), |i| &input[..i]), &trip),
                     OutputType::Object => format!("{}.o", input.rfind('.').map_or(input.as_str(), |i| &input[..i])),
@@ -427,6 +427,7 @@ fn driver() -> anyhow::Result<()> {
                     OutputType::Header => format!("{}.coh", input.rfind('.').map_or(input.as_str(), |i| &input[..i])),
                     OutputType::HeaderObj => format!("{}.coh.o", input.rfind('.').map_or(input.as_str(), |i| &input[..i])),
                 }));
+                output = output.and_then(|v| (v != "-").then_some(v));
                 let mut flags = Flags {dbg_mangle: debug_mangle, ..Flags::default()};
                 let ink_ctx = inkwell::context::Context::create();
                 if let Some(size) = ink_ctx.ptr_sized_int_type(&target_machine.get_target_data(), None).size_of().get_zero_extended_constant() {flags.word_size = size as u16;}