cp-tree.def (DEFAULT_ARG): Adjust documentation.
* cp-tree.def (DEFAULT_ARG): Adjust documentation. * cp-tree.h (DEFARG_INSTANTIATIONS): New. (struct tree_default_arg): Add instantiations member. * parser.c (cp_parser_late_parsing_default_args): Adjust to use a VEC. * pt.c (tsubst_arg_types): Likewise. From-SVN: r100707
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@ -206,9 +206,9 @@ DEFTREECODE (USING_DECL, "using_decl", tcc_declaration, 0)
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/* A using directive. The operand is USING_STMT_NAMESPACE. */
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/* A using directive. The operand is USING_STMT_NAMESPACE. */
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DEFTREECODE (USING_STMT, "using_directive", tcc_statement, 1)
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DEFTREECODE (USING_STMT, "using_directive", tcc_statement, 1)
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/* An un-parsed default argument. Looks like an IDENTIFIER_NODE.
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/* An un-parsed default argument. Holds a vector of input tokens and
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TREE_CHAIN is used to hold instantiations of functions that had to
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a vector of places where the argument was instantiated before
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be instantiated before the argument was parsed. */
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parsing had occurred. */
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DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0)
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DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0)
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/* A template-id, like foo<int>. The first operand is the template.
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/* A template-id, like foo<int>. The first operand is the template.
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@ -424,11 +424,14 @@ typedef enum cp_id_kind
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#define DEFARG_TOKENS(NODE) \
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#define DEFARG_TOKENS(NODE) \
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(((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
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(((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->tokens)
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#define DEFARG_INSTANTIATIONS(NODE) \
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(((struct tree_default_arg *)DEFAULT_ARG_CHECK (NODE))->instantiations)
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struct tree_default_arg GTY (())
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struct tree_default_arg GTY (())
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{
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{
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struct tree_common common;
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struct tree_common common;
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struct cp_token_cache *tokens;
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struct cp_token_cache *tokens;
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VEC(tree,gc) *instantiations;
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};
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};
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enum cp_tree_node_structure_enum {
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enum cp_tree_node_structure_enum {
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@ -12145,7 +12145,8 @@ cp_parser_parameter_declaration (cp_parser *parser,
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argument. */
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argument. */
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default_argument = make_node (DEFAULT_ARG);
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default_argument = make_node (DEFAULT_ARG);
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DEFARG_TOKENS (default_argument)
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DEFARG_TOKENS (default_argument)
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= cp_token_cache_new (first_token, token);
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= cp_token_cache_new (first_token, token);
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DEFARG_INSTANTIATIONS (default_argument) = NULL;
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}
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}
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/* Outside of a class definition, we can just parse the
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/* Outside of a class definition, we can just parse the
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assignment-expression. */
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assignment-expression. */
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@ -15595,6 +15596,9 @@ cp_parser_late_parsing_default_args (cp_parser *parser, tree fn)
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cp_token_cache *tokens;
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cp_token_cache *tokens;
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tree default_arg = TREE_PURPOSE (parm);
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tree default_arg = TREE_PURPOSE (parm);
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tree parsed_arg;
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tree parsed_arg;
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VEC(tree,gc) *insts;
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tree copy;
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unsigned ix;
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if (!default_arg)
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if (!default_arg)
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continue;
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continue;
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@ -15615,10 +15619,9 @@ cp_parser_late_parsing_default_args (cp_parser *parser, tree fn)
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TREE_PURPOSE (parm) = parsed_arg;
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TREE_PURPOSE (parm) = parsed_arg;
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/* Update any instantiations we've already created. */
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/* Update any instantiations we've already created. */
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for (default_arg = TREE_CHAIN (default_arg);
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for (insts = DEFARG_INSTANTIATIONS (default_arg), ix = 0;
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default_arg;
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VEC_iterate (tree, insts, ix, copy); ix++)
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default_arg = TREE_CHAIN (default_arg))
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TREE_PURPOSE (copy) = parsed_arg;
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TREE_PURPOSE (TREE_PURPOSE (default_arg)) = parsed_arg;
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/* If the token stream has not been completely used up, then
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/* If the token stream has not been completely used up, then
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there was extra junk after the end of the default
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there was extra junk after the end of the default
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@ -6745,8 +6745,7 @@ tsubst_arg_types (tree arg_types,
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class, and is not an error unless we require the default
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class, and is not an error unless we require the default
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argument in a call of this function. */
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argument in a call of this function. */
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result = tree_cons (default_arg, type, remaining_arg_types);
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result = tree_cons (default_arg, type, remaining_arg_types);
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TREE_CHAIN (default_arg) = tree_cons (result, NULL_TREE,
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VEC_safe_push (tree, gc, DEFARG_INSTANTIATIONS (default_arg), result);
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TREE_CHAIN (default_arg));
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}
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}
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else
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else
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result = hash_tree_cons (default_arg, type, remaining_arg_types);
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result = hash_tree_cons (default_arg, type, remaining_arg_types);
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