add mruby-strip tool to strip irep's debug info

1 files changed, 58 insertions, 0 deletions

diff --git a/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c b/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c
new file mode 100644
index 000000000..dee3e0cd6
--- /dev/null
+++ b/mrbgems/mruby-bin-strip/tools/mruby-strip/mruby-strip.c
@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "mruby.h"
+#include "mruby/irep.h"
+#include "mruby/dump.h"
+
+int
+main(int argc, char **argv)
+{
+  int i, dump_result;
+  FILE **files;
+  mrb_irep **ireps;
+  mrb_state *mrb;
+
+  if (argc <= 1) {
+    fprintf(stderr, "no files to strip\n");
+    return EXIT_FAILURE;
+  }
+
+  files = (FILE**)malloc(sizeof(FILE*) * argc);
+  for (i = 1; i < argc; ++i) {
+    files[i] = fopen(argv[i], "rb");
+
+    if (!files[i]) {
+      fprintf(stderr, "can't open file %s\n", argv[i]);
+      return EXIT_FAILURE;
+    }
+  }
+
+  mrb = mrb_open();
+
+  ireps = (mrb_irep**)malloc(sizeof(mrb_irep*) * argc);
+  for (i = 1; i < argc; ++i) {
+    ireps[i] = mrb_read_irep_file(mrb, files[i]);
+    if (!ireps[i]) {
+      fprintf(stderr, "can't read irep file %s\n", argv[i]);
+      return EXIT_FAILURE;
+    }
+    fclose(files[i]);
+    files[i] = fopen(argv[i], "wb");
+    if (!ireps[i]) {
+      fprintf(stderr, "can't reopen irep file %s\n", argv[i]);
+      return EXIT_FAILURE;
+    }
+  }
+
+  for (i = 1; i < argc; ++i) {
+    /* debug flag must be alway false */
+    dump_result = mrb_dump_irep_binary(mrb, ireps[i], FALSE, files[i]);
+    if (dump_result != MRB_DUMP_OK) {
+      fprintf(stderr, "error occur when dumping %s", argv[i]);
+      return EXIT_FAILURE;
+    }
+  }
+
+  mrb_close(mrb);
+  return EXIT_SUCCESS;
+}