--- /dev/null
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#else
+# include "php_config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "data.h"
+
+decl_args *init_decl_args(decl_arg *arg) {
+ decl_args *args = calloc(1, sizeof(*args));
+ if (arg) {
+ args->count = 1;
+ args->args = calloc(1, sizeof(*args->args));
+ args->args[0] = arg;
+ }
+ return args;
+}
+
+decl_args *add_decl_arg(decl_args *args, decl_arg *arg) {
+ args->args = realloc(args->args, ++args->count * sizeof(*args->args));
+ args->args[args->count - 1] = arg;
+ return args;
+}
+
+void free_decl_args(decl_args *args) {
+ size_t i;
+ for (i = 0; i < args->count; ++i) {
+ free_decl_arg(args->args[i]);
+ }
+ free(args->args);
+ free(args);
+}
+
+void dump_decl_args(int fd, decl_args *args, unsigned level) {
+ size_t i;
+
+ for (i = 0; i < args->count; ++i) {
+ if (i) {
+ dprintf(fd, ", ");
+ }
+ dump_decl_arg(fd, args->args[i], level);
+ }
+ if (args->varargs) {
+ dprintf(fd, ", ...");
+ }
+}
+
+void dump_decl_args_with_layout(int fd, decl_args *args, unsigned level) {
+ size_t j;
+
+ dprintf(fd, " {\n");
+ if (args) {
+ ++level;
+ for (j = 0; j < args->count; ++j) {
+ decl_arg *sarg = args->args[j];
+
+ dprintf(fd, "%s", psi_t_indent(level));
+ dump_decl_arg(fd, sarg, level);
+ dprintf(fd, "::(%zu, %zu);\n", sarg->layout->pos, sarg->layout->len);
+ }
+ --level;
+ }
+ dprintf(fd, "%s", psi_t_indent(level));
+ dprintf(fd, "}");
+}
+
+decl_arg *locate_decl_arg(decl_args *args, const char *name) {
+ size_t i;
+
+ if (args) for (i = 0; i < args->count; ++i) {
+ decl_arg *arg = args->args[i];
+
+ if (!strcmp(name, arg->var->name)) {
+ return arg;
+ }
+ }
+
+ return NULL;
+}
+
+size_t alignof_decl_args(decl_args *args) {
+ size_t i, maxalign = 0;
+
+ for (i = 0; i < args->count; ++i) {
+ decl_arg *darg = args->args[i];
+ size_t align = alignof_decl_arg(darg);
+
+ if (align > maxalign) {
+ maxalign = align;
+ }
+ }
+
+ return maxalign;
+}
+
+int validate_decl_arg_args(struct psi_data *data, decl_arg *darg, void *current) {
+ decl_type *real = real_decl_type(darg->type);
+
+ /* pre-validate any structs/unions/enums */
+ switch (real->type) {
+ case PSI_T_STRUCT:
+ if (current && current == real->real.strct) {
+ return 1;
+ }
+ if (!locate_decl_type_struct(data->structs, real)) {
+ return 0;
+ }
+ if (!validate_decl_struct(data, real->real.strct)) {
+ return 0;
+ }
+ break;
+ case PSI_T_UNION:
+ if (current && current == real->real.unn) {
+ return 1;
+ }
+ if (!locate_decl_type_union(data->unions, real)) {
+ return 0;
+ }
+ if (!validate_decl_union(data, real->real.unn)) {
+ return 0;
+ }
+ break;
+ case PSI_T_ENUM:
+ if (current && current == real->real.enm) {
+ return 1;
+ }
+ if (!locate_decl_type_enum(data->enums, real)) {
+ return 0;
+ }
+ if (!validate_decl_enum(data, real->real.enm)) {
+ return 0;
+ }
+ break;
+ }
+
+ return 1;
+}
+
+static int sort_args_cmp(const void *_a, const void *_b) {
+ decl_arg *a = *(decl_arg **)_a, *b = *(decl_arg **)_b;
+
+ if (a->layout->pos == b->layout->pos) {
+ if (a->layout->len == b->layout->len) {
+ return 0;
+ } else if (a->layout->len > b->layout->len) {
+ return -1;
+ } else {
+ return 1;
+ }
+ } else if (a->layout->pos > b->layout->pos) {
+ return 1;
+ } else {
+ return -1;
+ }
+}
+
+static void sort_args_swp(void *a, void *b) {
+ decl_arg **_a = a, **_b = b, *_c;
+
+ _c = *_b;
+ *_b = *_a;
+ *_a = _c;
+}
+
+#include "Zend/zend_sort.h"
+
+void sort_decl_args(decl_args *args) {
+ zend_insert_sort((void *) args->args, args->count,
+ sizeof(args), sort_args_cmp, sort_args_swp);
+}
+
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