feat: output executable using gcc

1 files changed, 25 insertions, 5 deletions

diff --git a/main.c b/main.c
index f34baf1..434f304 100644
--- a/main.c
+++ b/main.c
@@ -9,15 +9,35 @@
 #include "src/ast.c"
 #include "src/parse.c"
 #include "src/codegen.c"
+#include "src/cli.c"
 // clang-format on
 
 int main(int argc, char** argv) {
-    if (argc == 1) {
-        fatal_error("usage: ducc <FILE>");
-    }
-    InFile* source = infile_open(argv[1]);
+    CliArgs* cli_args = parse_cli_args(argc, argv);
+    InFile* source = infile_open(cli_args->input_filename);
     TokenArray* pp_tokens = preprocess(source);
     TokenArray* tokens = tokenize(pp_tokens);
     Program* prog = parse(tokens);
-    codegen(prog);
+
+    const char* assembly_filename;
+    if (cli_args->output_executable) {
+        char* temp_filename = calloc(19, sizeof(char));
+        temp_filename = strdup("/tmp/ducc-XXXXXX.s");
+        mkstemps(temp_filename, strlen(".s"));
+        assembly_filename = temp_filename;
+    } else {
+        assembly_filename = cli_args->output_filename;
+    }
+    FILE* assembly_file = assembly_filename ? fopen(assembly_filename, "wb") : stdout;
+    codegen(prog, assembly_file);
+    fclose(assembly_file);
+
+    if (cli_args->output_executable) {
+        char cmd_buf[256];
+        sprintf(cmd_buf, "gcc -s -o '%s' '%s'", cli_args->output_filename, assembly_filename);
+        int result = system(cmd_buf);
+        if (result != 0) {
+            fatal_error("gcc failed: %d", result);
+        }
+    }
 }