diff options
Diffstat (limited to 'gcc/cp/semantics.c')
| -rw-r--r-- | gcc/cp/semantics.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index ef73d07..bfdca50 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -1060,7 +1060,35 @@ finish_for_stmt (tree for_stmt) : &FOR_SCOPE (for_stmt)); tree scope = *scope_ptr; *scope_ptr = NULL; + + /* During parsing of the body, range for uses "__for_{range,begin,end} " + decl names to make those unaccessible by code in the body. + Change it to ones with underscore instead of space, so that it can + be inspected in the debugger. */ + tree range_for_decl[3] = { NULL_TREE, NULL_TREE, NULL_TREE }; + gcc_assert (CPTI_FOR_BEGIN__IDENTIFIER == CPTI_FOR_RANGE__IDENTIFIER + 1 + && CPTI_FOR_END__IDENTIFIER == CPTI_FOR_RANGE__IDENTIFIER + 2 + && CPTI_FOR_RANGE_IDENTIFIER == CPTI_FOR_RANGE__IDENTIFIER + 3 + && CPTI_FOR_BEGIN_IDENTIFIER == CPTI_FOR_BEGIN__IDENTIFIER + 3 + && CPTI_FOR_END_IDENTIFIER == CPTI_FOR_END__IDENTIFIER + 3); + for (int i = 0; i < 3; i++) + { + tree id = cp_global_trees[CPTI_FOR_RANGE__IDENTIFIER + i]; + if (IDENTIFIER_BINDING (id) + && IDENTIFIER_BINDING (id)->scope == current_binding_level) + { + range_for_decl[i] = IDENTIFIER_BINDING (id)->value; + gcc_assert (VAR_P (range_for_decl[i]) + && DECL_ARTIFICIAL (range_for_decl[i])); + } + } + add_stmt (do_poplevel (scope)); + + for (int i = 0; i < 3; i++) + if (range_for_decl[i]) + DECL_NAME (range_for_decl[i]) + = cp_global_trees[CPTI_FOR_RANGE_IDENTIFIER + i]; } /* Begin a range-for-statement. Returns a new RANGE_FOR_STMT. |