types refactoring

[m6w6/ext-psi] / src / types / impl_args.c

diff --git a/src/types/impl_args.c b/src/types/impl_args.c
new file mode 100644 (file)
index 0000000..74e1d31
--- /dev/null
+++ b/src/types/impl_args.c
@@ -0,0 +1,84 @@
+/*******************************************************************************
+ 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"
+
+impl_args *init_impl_args(impl_arg *arg) {
+       impl_args *args = calloc(1, sizeof(*args));
+       if (arg) {
+               args->count = 1;
+               args->args = calloc(1, sizeof(*args->args));
+               args->args[0] = arg;
+       }
+       return args;
+}
+
+impl_args *add_impl_arg(impl_args *args, impl_arg *arg) {
+       args->args = realloc(args->args, ++args->count * sizeof(*args->args));
+       args->args[args->count - 1] = arg;
+       return args;
+}
+
+void free_impl_args(impl_args *args) {
+       size_t i;
+       for (i = 0; i < args->count; ++i) {
+               free_impl_arg(args->args[i]);
+       }
+       if (args->vararg.name) {
+               free_impl_arg(args->vararg.name);
+       }
+       free(args->args);
+       free(args);
+}
+
+int validate_impl_args(struct psi_data *data, impl *impl) {
+       int def = 0;
+       size_t i;
+
+       for (i = 0; i < impl->func->args->count; ++i) {
+               impl_arg *iarg = impl->func->args->args[i];
+
+               if (iarg->def) {
+                       def = 1;
+               } else if (def) {
+                       data->error(data, impl->func->token, PSI_WARNING,
+                                       "Non-optional argument %zu '$%s' of implementation '%s'"
+                                       " follows optional argument",
+                                       i+1, iarg->var->name, impl->func->name);
+                       return 0;
+               }
+       }
+
+       return 1;
+}