From 4330740cf8da86ab42ab2e0fd3a1aec86d9b52b9 Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Wed, 4 Jan 2023 23:16:47 +0100
Subject: [PATCH] Support printing of object files. Issue #687

---
 src/build/build_options.c |  7 +++++++
 src/build/build_options.h |  2 ++
 src/build/builder.c       |  1 +
 src/compiler/compiler.c   | 12 ++++++++++++
 src/version.h             |  2 +-
 5 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/build/build_options.c b/src/build/build_options.c
index 23aa22ec3..30ff0dbfb 100644
--- a/src/build/build_options.c
+++ b/src/build/build_options.c
@@ -147,6 +147,8 @@ static void usage(void)
 	OUTPUT("  --list-targets            - List all architectures the compiler supports.");
 	OUTPUT("  --list-type-properties    - List all type properties.");
 	OUTPUT("");
+	OUTPUT("  --print-output            - Print the object files created to stdout.");
+	OUTPUT("");
 	OUTPUT("  --winsdk <dir>            - Set the directory for Windows system library files for cross compilation.");
 	OUTPUT("  --wincrt=<option>         - Windows CRT linking: none, static, dynamic (default).");
 	OUTPUT("");
@@ -643,6 +645,11 @@ static void parse_option(BuildOptions *options)
 				options->emit_asm = true;
 				return;
 			}
+			if (match_longopt("print-output"))
+			{
+				options->print_output = true;
+				return;
+			}
 			if (match_longopt("cc"))
 			{
 				if (at_end() || next_is_opt()) error_exit("error: --cc needs a compiler name.");
diff --git a/src/build/build_options.h b/src/build/build_options.h
index a942afb54..682c19877 100644
--- a/src/build/build_options.h
+++ b/src/build/build_options.h
@@ -272,6 +272,7 @@ typedef struct BuildOptions_
 	bool no_libc;
 	bool force_linker;
 	bool read_stdin;
+	bool print_output;
 	const char *panicfn;
 	const char *cc;
 	const char *build_dir;
@@ -357,6 +358,7 @@ typedef struct
 	bool benchmarking;
 	bool testing;
 	bool read_stdin;
+	bool print_output;
 	int build_threads;
 	OptimizationLevel optimization_level;
 	SizeOptimizationLevel size_optimization_level;
diff --git a/src/build/builder.c b/src/build/builder.c
index 0ce7fdad8..8a7721b26 100644
--- a/src/build/builder.c
+++ b/src/build/builder.c
@@ -219,6 +219,7 @@ static void update_build_target_from_options(BuildTarget *target, BuildOptions *
 	}
 	if (options->no_stdlib) target->no_stdlib = true;
 	if (options->no_libc) target->no_libc = true;
+	target->print_output = options->print_output;
 	target->emit_llvm = options->emit_llvm;
 	target->build_threads = options->build_threads;
 	target->emit_asm = options->emit_asm;
diff --git a/src/compiler/compiler.c b/src/compiler/compiler.c
index 1337cf46c..28d0c73e7 100644
--- a/src/compiler/compiler.c
+++ b/src/compiler/compiler.c
@@ -413,11 +413,23 @@ void compiler_compile(void)
 	TaskQueueRef queue = taskqueue_create(active_target.build_threads, tasks);
 	taskqueue_wait_for_completion(queue);
 
+	if (active_target.print_output)
+	{
+		puts("# output-files-begin");
+	}
 	for (unsigned i = 0; i < output_file_count; i++)
 	{
 		obj_files[i] = compile_data[i].object_name;
+		if (active_target.print_output)
+		{
+			puts(obj_files[i]);
+		}
 		assert(obj_files[i] || !output_exe);
 	}
+	if (active_target.print_output)
+	{
+		puts("# output-files-end");
+	}
 
 	output_file_count += cfiles;
 	free(compile_data);
diff --git a/src/version.h b/src/version.h
index ffc92f0b4..a907a1242 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define COMPILER_VERSION "0.4.2"
\ No newline at end of file
+#define COMPILER_VERSION "0.4.3"
\ No newline at end of file