/* binding file AST interface 
 *
 * This file is part of nsgenjsbind.
 * Licensed under the MIT License,
 *                http://www.opensource.org/licenses/mit-license.php
 * Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
 */

#ifndef genjsbind_genjsbind_ast_h
#define genjsbind_genjsbind_ast_h

enum genbind_node_type {
	GENBIND_NODE_TYPE_ROOT = 0,
	GENBIND_NODE_TYPE_IDENT,
	GENBIND_NODE_TYPE_WEBIDLFILE,
	GENBIND_NODE_TYPE_HDRCOMMENT,
	GENBIND_NODE_TYPE_STRING,
	GENBIND_NODE_TYPE_PREAMBLE,
	GENBIND_NODE_TYPE_BINDING,
	GENBIND_NODE_TYPE_BINDING_TYPE,
	GENBIND_NODE_TYPE_BINDING_PRIVATE,
	GENBIND_NODE_TYPE_BINDING_INTERFACE,
};


struct genbind_node;

/** callback for search and iteration routines */
typedef int (genbind_callback_t)(struct genbind_node *node, void *ctx);

int genbind_cmp_node_type(struct genbind_node *node, void *ctx);

int genbind_parsefile(char *infilename, struct genbind_node **ast);

char *genbind_strapp(char *a, char *b);

struct genbind_node *genbind_new_node(enum genbind_node_type type, struct genbind_node *l, void *r);
struct genbind_node *genbind_node_link(struct genbind_node *tgt, struct genbind_node *src);

int genbind_ast_dump(struct genbind_node *ast, int indent);

/** Depth first left hand search using user provided comparison 
 *
 * @param node The node to start the search from

 * @param prev The node at which to stop the search, either NULL to
 *             search the full tree depth (initial search) or the result 
 *             of a previous search to continue.
 * @param cb Comparison callback
 * @param ctx Context for callback
 */
struct genbind_node *
genbind_node_find(struct genbind_node *node,
		  struct genbind_node *prev,
		  genbind_callback_t *cb,
		  void *ctx);

int genbind_node_for_each_type(struct genbind_node *node, enum genbind_node_type type, genbind_callback_t *cb, void *ctx);

char *genbind_node_gettext(struct genbind_node *node);
struct genbind_node *genbind_node_getnode(struct genbind_node *node);

#endif