[hackers] [scc] [cc2] Add a ONOP statement for every label || Roberto E. Vargas Caballero

From: <git_AT_suckless.org>
Date: Sun, 24 Apr 2016 17:29:37 +0200 (CEST)

commit 25458d1f56c528c6838f840c289b0cd91301cd19
Author: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
AuthorDate: Sat Apr 23 17:20:24 2016 +0200
Commit: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
CommitDate: Sat Apr 23 17:20:24 2016 +0200

    [cc2] Add a ONOP statement for every label
    
    This nop statement helps to have some statement in the same position
    where the label is set. We do not depend of being the last statement
    or setting some variable for the next statement.

diff --git a/cc2/parser.c b/cc2/parser.c
index c85b281..f8448bb 100644
--- a/cc2/parser.c
+++ b/cc2/parser.c
_AT_@ -569,20 +569,6 @@ flddecl(void)
 }
 
 static void
-labeldcl(void)
-{
- Node *np;
- Symbol *sym;
-
- np = pop();
- sym = np->u.sym;
- delnode(np);
- nextline();
- stmtp->label = sym;
- sym->u.nlabel = stmtp;
-}
-
-static void
 addstmt(Node *np)
 {
         if (!curfun->u.nlabel)
_AT_@ -593,6 +579,20 @@ addstmt(Node *np)
 }
 
 static void
+labeldcl(void)
+{
+ Node *np;
+ Symbol *sym;
+
+ np = pop();
+ np->op = ONOP;
+ sym = np->u.sym;
+ sym->kind = SLABEL;
+ np->label = sym;
+ addstmt(np);
+}
+
+static void
 stmt(void)
 {
         Node *np;
Received on Sun Apr 24 2016 - 17:29:37 CEST