* c-decl.c (c_init_decl_processing): Clear input_file_name

[pf3gnuchains/gcc-fork.git] / gcc / tree.h

diff --git a/gcc/tree.h b/gcc/tree.h
index 2c5f2d9..446e42f 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2349,7 +2349,9 @@ extern tree pedantic_non_lvalue           PARAMS ((tree));
 
 extern tree convert                    PARAMS ((tree, tree));
 extern unsigned int expr_align         PARAMS ((tree));
+extern tree expr_first                 PARAMS ((tree));
 extern tree expr_last                  PARAMS ((tree));
+extern int expr_length                 PARAMS ((tree));
 extern tree size_in_bytes              PARAMS ((tree));
 extern HOST_WIDE_INT int_size_in_bytes PARAMS ((tree));
 extern tree bit_position               PARAMS ((tree));
@@ -2523,7 +2525,19 @@ extern int unsafe_for_reeval             PARAMS ((tree));
    Note that we only allow such expressions within simple arithmetic
    or a COND_EXPR.  */
 
-extern int contains_placeholder_p      PARAMS ((tree));
+extern bool contains_placeholder_p     PARAMS ((tree));
+
+/* This macro calls the above function but short-circuits the common
+   case of a constant to save time.  Also check for null.  */
+
+#define CONTAINS_PLACEHOLDER_P(EXP) \
+  ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
+
+/* Return 1 if any part of the computation of TYPE involves a PLACEHOLDER_EXPR.
+   This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and field
+   positions.  */
+
+extern bool type_contains_placeholder_p        PARAMS ((tree));
 
 /* Return 1 if EXP contains any expressions that produce cleanups for an
    outer scope to deal with.  Used by fold.  */