1 files changed, 7 insertions, 1 deletions
diff --git a/bootstrap/cgen.c b/bootstrap/cgen.c
index 5c64a30..39cbba0 100644
--- a/bootstrap/cgen.c
+++ b/bootstrap/cgen.c
@@ -50,7 +50,11 @@ pristring(const char *s, u64 n) {
    extern int isprint(int);
    pri("\"");
    for (int i = 0; i < n; ++i) {
-      if (isprint(s[i]))
+      if (s[i] == '"')
+         pri("\\\"");
+      else if (s[i] == '\\')
+         pri("\\\\");
+      else if (isprint(s[i]))
          pri("%c", s[i]);
       else
          fprintf(outfp, "\\%.3o", s[i]);
@@ -699,6 +703,7 @@ genstatic(bool externp, const char *cname, struct var *var) {
 static void
 gendecl(struct decl *decl, bool toplevel) {
    const char *p = fileid2path(decl->span.fileid);
+   if (decl->_gen) return;
    switch (decl->t) {
    case Dfn:
       pri("#line %d %S\n", decl->span.line, p, (u64)strlen(p));
@@ -718,6 +723,7 @@ gendecl(struct decl *decl, bool toplevel) {
    case Dtype: case Ddef: case Dtepl: case Dmacro: case Dlabel:
       break;
    }
+   decl->_gen = 1;
 }
 
 static void