X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Ftypes%2Fdecl_typedefs.c;fp=src%2Ftypes%2Fdecl_typedefs.c;h=898600571f458b92788980fde019fd7cb7f26083;hb=2f5af21b263403997e154658635d6b6e6eaab453;hp=0000000000000000000000000000000000000000;hpb=898c6dac30d12d7fe56662d66a8e73c340926d64;p=m6w6%2Fext-psi

diff --git a/src/types/decl_typedefs.c b/src/types/decl_typedefs.c
new file mode 100644
index 0000000..8986005
--- /dev/null
+++ b/src/types/decl_typedefs.c
@@ -0,0 +1,98 @@
+/*******************************************************************************
+ 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_typedefs *add_decl_typedef(decl_typedefs *defs, decl_arg *def) {
+	if (!defs) {
+		defs = calloc(1, sizeof(*defs));
+	}
+	defs->list = realloc(defs->list, ++defs->count * sizeof(*defs->list));
+	defs->list[defs->count - 1] = def;
+	return defs;
+}
+
+void free_decl_typedefs(decl_typedefs *defs) {
+	size_t i;
+	for (i = 0; i < defs->count; ++i) {
+		free_decl_arg(defs->list[i]);
+	}
+	free(defs->list);
+	free(defs);
+}
+
+static inline void dump_typedef(int fd, decl_arg *tdef) {
+	dprintf(fd, "typedef ");
+	dump_decl_arg(fd, tdef, 0);
+	dprintf(fd, ";");
+}
+
+void dump_decl_typedefs(int fd, decl_typedefs *defs) {
+	size_t i;
+
+	for (i = 0; i < defs->count; ++i) {
+		decl_arg *tdef = defs->list[i];
+
+		dump_typedef(fd, tdef);
+		dprintf(fd, "\n");
+	}
+}
+
+int validate_decl_typedef(struct psi_data *data, decl_arg *def) {
+	if (!validate_decl_type(data, def->type, def)) {
+		const char *pre;
+
+		switch (def->type->type) {
+		case PSI_T_STRUCT:	pre = "struct ";	break;
+		case PSI_T_UNION:	pre = "union ";		break;
+		case PSI_T_ENUM:	pre = "enum ";		break;
+		default:			pre = "";			break;
+		}
+		data->error(data, def->token, PSI_WARNING,
+			"Type '%s' cannot be aliased to %s'%s'",
+			def->var->name, pre, def->type->name);
+		return 0;
+	}
+	if (def->type->type == PSI_T_VOID) {
+		if (def->var->pointer_level) {
+			def->type->type = PSI_T_POINTER;
+		} else {
+			data->error(data, def->token, PSI_WARNING,
+				"Type '%s' cannot be aliased to 'void'",
+				def->type->name);
+			return 0;
+		}
+	}
+	return 1;
+}