From e007eb629f422fb96fa8da81e2f79e7d0301c866 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Sun, 18 Jan 2026 20:09:26 +0000
Subject: Fixed 'zc run' for '--cuda'.

---
 src/main.c | 38 +++++++++++++++++++++++---------------
 1 file changed, 23 insertions(+), 15 deletions(-)

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index 2b7dcf0..44cf45d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -152,7 +152,7 @@ int main(int argc, char **argv)
         {
             strcpy(g_config.cc, "nvcc");
             g_config.use_cuda = 1;
-            g_config.use_cpp = 1; // CUDA implies C++ mode
+            g_config.use_cpp = 1; // CUDA implies C++ mode.
         }
         else if (strcmp(arg, "--check") == 0)
         {
@@ -270,11 +270,22 @@ int main(int argc, char **argv)
         return 0;
     }
 
-    // Codegen to C
-    FILE *out = fopen("out.c", "w");
+    // Determine temporary filename based on mode
+    const char *temp_source_file = "out.c";
+    if (g_config.use_cuda)
+    {
+        temp_source_file = "out.cu";
+    }
+    else if (g_config.use_cpp)
+    {
+        temp_source_file = "out.cpp";
+    }
+
+    // Codegen to C/C++/CUDA
+    FILE *out = fopen(temp_source_file, "w");
     if (!out)
     {
-        perror("fopen out.c");
+        perror("fopen temp output");
         return 1;
     }
 
@@ -285,10 +296,10 @@ int main(int argc, char **argv)
     {
         if (g_config.output_file)
         {
-            // If user specified -o, rename out.c to that
-            if (rename("out.c", g_config.output_file) != 0)
+            // If user specified -o, rename temp file to that
+            if (rename(temp_source_file, g_config.output_file) != 0)
             {
-                perror("rename out.c");
+                perror("rename output");
                 return 1;
             }
             if (!g_config.quiet)
@@ -300,7 +311,7 @@ int main(int argc, char **argv)
         {
             if (!g_config.quiet)
             {
-                printf("[zc] Transpiled to out.c\n");
+                printf("[zc] Transpiled to %s\n", temp_source_file);
             }
         }
         // Done, no C compilation
@@ -311,12 +322,9 @@ int main(int argc, char **argv)
     char cmd[8192];
     char *outfile = g_config.output_file ? g_config.output_file : "a.out";
 
-    // TCC-specific adjustments?
-    // Already handled by user passing --cc tcc
-
-    snprintf(cmd, sizeof(cmd), "%s %s %s %s %s -o %s out.c -lm %s -I./src %s", g_config.cc,
+    snprintf(cmd, sizeof(cmd), "%s %s %s %s %s -o %s %s -lm %s -I./src %s", g_config.cc,
              g_config.gcc_flags, g_cflags, g_config.is_freestanding ? "-ffreestanding" : "", "",
-             outfile, g_parser_ctx->has_async ? "-lpthread" : "", g_link_flags);
+             outfile, temp_source_file, g_parser_ctx->has_async ? "-lpthread" : "", g_link_flags);
 
     if (g_config.verbose)
     {
@@ -329,7 +337,7 @@ int main(int argc, char **argv)
         printf("C compilation failed.\n");
         if (!g_config.emit_c)
         {
-            remove("out.c");
+            remove(temp_source_file);
         }
         return 1;
     }
@@ -337,7 +345,7 @@ int main(int argc, char **argv)
     if (!g_config.emit_c)
     {
         // remove("out.c"); // Keep it for debugging for now or follow flag
-        remove("out.c");
+        remove(temp_source_file);
     }
 
     if (g_config.mode_run)
-- 
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