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diff --git a/src/tools/vppapigen/node.h b/src/tools/vppapigen/node.h
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+/*
+ *------------------------------------------------------------------
+ * node.h - definitions for an API generator
+ *
+ * Copyright (c) 2004-2009 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#ifndef _node_h_
+#define _node_h_
+
+/*
+ * Global prototypes
+ */
+
+char *sxerox (const char *s);
+
+enum node_subclass { /* WARNING: indices must match the vft... */
+ NODE_ILLEGAL=0,
+ NODE_U8,
+ NODE_U16,
+ NODE_U32,
+ NODE_U64,
+ NODE_I8,
+ NODE_I16,
+ NODE_I32,
+ NODE_I64,
+ NODE_F64,
+ NODE_PACKED,
+ NODE_DEFINE,
+ NODE_UNION,
+ NODE_SCALAR,
+ NODE_VECTOR,
+ NODE_COMPLEX,
+ NODE_NOVERSION,
+ NODE_UWORD,
+ NODE_N_TYPES, /* number of node types with VFT's */
+
+ /* pseudo-node(s) used in the lexer keyword table, but
+ NOT in need of a VFT... */
+ NODE_TYPEONLY,
+ NODE_MANUAL_PRINT,
+ NODE_MANUAL_ENDIAN,
+ NODE_DONT_TRACE,
+};
+
+enum passid {
+ TYPEDEF_PASS=1,
+ UNION_DEF_PASS,
+ ENDIANFUN_PASS,
+ PRINTFUN_PASS,
+ PYTHON_PASS,
+ JSON_PASS,
+};
+
+extern void *make_node (enum node_subclass type);
+
+typedef struct node_ {
+ enum node_subclass type;
+ struct node_ *peer;
+ struct node_ *deeper;
+ int flags;
+ void *data[4];
+} node_t;
+
+/* To shut up gcc-4.2.x warnings */
+#define CDATA0 ((char *)(this->data[0]))
+#define IDATA1 ((int)(uword)(this->data[1]))
+#define CDATA2 ((char *)(this->data[2]))
+#define CDATA3 ((char *)(this->data[3]))
+
+#define NODE_FLAG_MANUAL_PRINT (1<<0)
+#define NODE_FLAG_MANUAL_ENDIAN (1<<1)
+#define NODE_FLAG_TYPEONLY (1<<3)
+#define NODE_FLAG_DONT_TRACE (1<<4)
+
+typedef struct node_vft_ {
+ void (*print)(struct node_ *);
+ void (*generate)(struct node_ *, enum passid id, FILE *ofp);
+ char *endian_converter;
+} node_vft_t;
+
+#endif /* _node_h */