types refactoring

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

diff --git a/src/types/decl_var.c b/src/types/decl_var.c
new file mode 100644 (file)
index 0000000..fa495bf
--- /dev/null
+++ b/src/types/decl_var.c
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ 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 <assert.h>
+
+#include "data.h"
+
+decl_var *init_decl_var(const char *name, unsigned pl, unsigned as) {
+       decl_var *v = calloc(1, sizeof(*v));
+       v->name = (char *) strdup((const char *) name);
+       v->pointer_level = pl;
+       v->array_size = as;
+       return v;
+}
+
+decl_var *copy_decl_var(decl_var *src) {
+       decl_var *dest = calloc(1, sizeof(*dest));
+       memcpy(dest, src, sizeof(*dest));
+       dest->name = strdup(dest->name);
+       if (dest->token) {
+               dest->token = psi_token_copy(dest->token);
+       }
+       return dest;
+}
+
+void free_decl_var(decl_var *var) {
+       if (var->token) {
+               free(var->token);
+       }
+       free(var->name);
+       free(var);
+}
+
+void dump_decl_var(int fd, decl_var *var) {
+       dprintf(fd, "%s%s",
+                       psi_t_indirection(var->pointer_level-!!var->array_size), var->name);
+       if (var->array_size) {
+               dprintf(fd, "[%u]", var->array_size);
+       }
+}
+
+decl_arg *locate_decl_var_arg(decl_var *var, decl_args *args, decl_arg *func) {
+       decl_arg *arg = locate_decl_arg(args, var->name);
+
+       if (arg) {
+               assert(!var->arg || var->arg == arg);
+
+               return var->arg = arg;
+       }
+
+       if (func && !strcmp(var->name, func->var->name)) {
+               return var->arg = func;
+       }
+
+       return NULL;
+}