[hackers] [scc] [cc1] Add debug information to pushctx() and popctx() || Roberto E. Vargas Caballero

[git]

commit 3261788e3d8b7782ff0ade7b391572c54485e644
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Fri Feb 24 06:03:36 2017 +0100
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Fri Feb 24 19:55:49 2017 +0100

    [cc1] Add debug information to pushctx() and popctx()
    
    This debug information is useful to understand how
    the context stack is evoluting in the time.

diff --git a/cc1/symbol.c b/cc1/symbol.c
index 7cb8d6f..3d17c2b 100644
--- a/cc1/symbol.c
+++ b/cc1/symbol.c
@@ -97,6 +97,7 @@ unlinkhash(Symbol *sym)
 void
 pushctx(void)
 {
+       DBG("SYM: pushed context %d", curctx+1);
        if (++curctx == NR_BLOCK+1)
                error("too many nested blocks");
 }
@@ -131,6 +132,7 @@ popctx(void)
        Symbol *next, *sym;
        int ns, dangling = 0;
 
+       DBG("SYM: poped context %d", curctx);
        /*
         * we have to be careful before popping the current
         * context, because since the parser is one token