X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/3df85155e2dbf9307dd64bd222bf74389c45a75c..af1f874c4c58d0bd8becd52c892d0b358d08736e:/src/cdecl.h

diff --git a/src/cdecl.h b/src/cdecl.h
index a8e9946..20a94f2 100644
--- a/src/cdecl.h
+++ b/src/cdecl.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright © 2011 Nick Bowler
+ *  Copyright © 2011, 2021, 2023 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
@@ -23,10 +23,10 @@
 
 /* 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 {
@@ -102,15 +102,35 @@ 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 inline int cdecl_spec_kind(const struct cdecl_declspec *spec)
 {
-	return spec->type & ~0xffu;
+	return spec->type & ~(CDECL_SPEC_TYPE-1u);
+}
+
+static inline _Bool 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,
+	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 {