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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 */
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