+/*
+ * Copyright © 2011, 2021, 2023-2024 Nick Bowler
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#ifndef CDECL_H_
-#define CEDCL_H_
+#define CDECL_H_
+
+#include <stddef.h> /* for size_t */
+
+#if __GNUC__
+# define CDECL__INLINE __inline
+#else
+# define CDECL__INLINE inline
+#endif
+
+/* Compatibility typedefs */
+#if HAVE__BOOL
+typedef _Bool cdecl_bool;
+#else
+typedef signed char cdecl_bool;
+#endif
-#include <stddef.h>
-#include <stdint.h>
+#if HAVE_UNSIGNED_LONG_LONG_INT
+typedef unsigned long long cdecl_uintmax;
+#elif HAVE_UNSIGNED___INT64
+typedef unsigned __int64 cdecl_uintmax;
+#else
+typedef unsigned long cdecl_uintmax;
+#endif
/* Declaration specifier kinds. */
enum {
- CDECL_SPEC_TYPE = 0,
- CDECL_SPEC_STOR = 256,
- CDECL_SPEC_QUAL = 512,
- CDECL_SPEC_FUNC = 1024,
+ CDECL_SPEC_TYPE = 256,
+ CDECL_SPEC_STOR = 512,
+ CDECL_SPEC_QUAL = 1024,
+ CDECL_SPEC_FUNC = 2048
};
enum {
CDECL_TYPE_UNSIGNED,
CDECL_TYPE_BOOL,
CDECL_TYPE_COMPLEX,
+ CDECL_TYPE_IMAGINARY,
CDECL_TYPE_STRUCT,
CDECL_TYPE_UNION,
CDECL_TYPE_ENUM,
CDECL_QUAL_RESTRICT = CDECL_SPEC_QUAL,
CDECL_QUAL_VOLATILE,
CDECL_QUAL_CONST,
- CDECL_FUNC_INLINE = CDECL_SPEC_FUNC,
+ CDECL_FUNC_INLINE = CDECL_SPEC_FUNC
};
/* Declarator types. */
enum {
+ CDECL_DECL_NULL,
CDECL_DECL_IDENT,
CDECL_DECL_POINTER,
CDECL_DECL_ARRAY,
+ CDECL_DECL_FUNCTION
};
struct cdecl {
+ struct cdecl *next;
+
struct cdecl_declspec {
struct cdecl_declspec *next;
unsigned type;
} *specifiers;
struct cdecl_declarator {
- struct cdecl_declarator *next, *child;
+ struct cdecl_declarator *child;
unsigned type;
union {
char *ident;
} pointer;
struct cdecl_array {
char *vla;
- uintmax_t length;
+ cdecl_uintmax length;
} array;
+ struct cdecl_function {
+ struct cdecl *parameters;
+ cdecl_bool variadic;
+ } function;
} u;
} *declarators;
};
struct cdecl *cdecl_parse_decl(const char *declstr);
+struct cdecl *cdecl_parse_english(const char *english);
void cdecl_free(struct cdecl *decl);
size_t cdecl_explain(char *buf, size_t n, struct cdecl *decl);
+size_t cdecl_declare(char *buf, size_t n, struct cdecl *decl);
-static inline int cdecl_spec_kind(struct cdecl_declspec *spec)
+static CDECL__INLINE int cdecl_spec_kind(const struct cdecl_declspec *spec)
{
- return spec->type & ~0xffu;
+ return spec->type & ~(CDECL_SPEC_TYPE-1u);
}
+static CDECL__INLINE int cdecl_is_abstract(const struct cdecl_declarator *d)
+{
+ while (d->child)
+ d = d->child;
+
+ return d->type != CDECL_DECL_IDENT;
+}
+
+/* Error handling. */
+enum {
+ CDECL_ENOMEM = 1,
+ CDECL_ENOPARSE,
+
+ /* Obsolete error codes (no longer returned by the library) */
+ CDECL_EBADARRAY,
+ CDECL_EBADDECL,
+ CDECL_EBADPARAMS,
+ CDECL_EBADPOINTER,
+ CDECL_EBADQUAL,
+ CDECL_EBADRETURN,
+ CDECL_EBADSTOR,
+ CDECL_EBADTYPE,
+ CDECL_ENOTFUNC,
+ CDECL_EVOIDPARAM
+};
+
+struct cdecl_error {
+ unsigned code;
+ const char *str;
+};
+
+const struct cdecl_error *cdecl_get_error(void);
+
#endif