X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/7022b70b587d5d4a7f4a24dc3943326e9cba4ad1..HEAD:/src/cdecl.h

diff --git a/src/cdecl.h b/src/cdecl.h
index 536135f..39902f5 100644
--- a/src/cdecl.h
+++ b/src/cdecl.h
@@ -1,15 +1,52 @@
+/*
+ * 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 {
@@ -24,6 +61,7 @@ enum {
 	CDECL_TYPE_UNSIGNED,
 	CDECL_TYPE_BOOL,
 	CDECL_TYPE_COMPLEX,
+	CDECL_TYPE_IMAGINARY,
 	CDECL_TYPE_STRUCT,
 	CDECL_TYPE_UNION,
 	CDECL_TYPE_ENUM,
@@ -36,17 +74,21 @@ 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;
@@ -54,7 +96,7 @@ struct cdecl {
 	} *specifiers;
 
 	struct cdecl_declarator {
-		struct cdecl_declarator *next, *child;
+		struct cdecl_declarator *child;
 		unsigned type;
 		union {
 			char *ident;
@@ -63,20 +105,59 @@ struct cdecl {
 			} 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