ap/app/goahead/server/ejIntrn.h

#ifndef _h_EJINTERNAL
#define _h_EJINTERNAL 1

#include	<ctype.h>
#include	<stdarg.h>
#include	<stdlib.h>

#ifdef CE
#ifndef UEMF
	#include	<io.h>
#endif
#endif

#ifdef LYNX
	#include	<unistd.h>
#endif

#ifdef QNX4
	#include	<dirent.h>
#endif

#ifdef UEMF
	#include	"uemf.h"
#else
	#include	<param.h>
	#include	<stat.h>
	#include	"basic/basicInternal.h"
	#include	"emf/emfInternal.h"
#endif

#include		"ej.h"

#define EJ_OFFSET			1		
#define EJ_MAX_RECURSE		100		

#define EJ_INC				110		
#define EJ_SCRIPT_INC		1023	



#define TOK_ERR				-1		
#define TOK_LPAREN			1		
#define TOK_RPAREN			2		
#define TOK_IF				3		
#define TOK_ELSE			4		
#define TOK_LBRACE			5		
#define TOK_RBRACE			6		
#define TOK_LOGICAL			7		
#define TOK_EXPR			8		
#define TOK_SEMI			9		
#define TOK_LITERAL			10		
#define TOK_FUNCTION		11		
#define TOK_NEWLINE			12		
#define TOK_ID				13		
#define TOK_EOF				14		
#define TOK_COMMA			15		
#define TOK_VAR				16		
#define TOK_ASSIGNMENT		17		
#define TOK_FOR				18		
#define TOK_INC_DEC			19		
#define TOK_RETURN			20		

#define COND_AND			1		
#define COND_OR				2		
#define COND_NOT			3	

#define EXPR_LESS			1		
#define EXPR_LESSEQ			2		
#define EXPR_GREATER		3		
#define EXPR_GREATEREQ		4		
#define EXPR_EQ				5		
#define EXPR_NOTEQ			6		
#define EXPR_PLUS			7		
#define EXPR_MINUS			8		
#define EXPR_DIV			9		
#define EXPR_MOD			10		
#define EXPR_LSHIFT			11		
#define EXPR_RSHIFT			12		
#define EXPR_MUL			13		
#define EXPR_ASSIGNMENT		14		
#define EXPR_INC			15		
#define EXPR_DEC			16		
#define EXPR_BOOL_COMP		17		


#define STATE_ERR				-1			
#define STATE_EOF				1			
#define STATE_COND				2			
#define STATE_COND_DONE			3
#define STATE_RELEXP			4			
#define STATE_RELEXP_DONE		5
#define STATE_EXPR				6			
#define STATE_EXPR_DONE			7
#define STATE_STMT				8			
#define STATE_STMT_DONE			9
#define STATE_STMT_BLOCK_DONE	10			
#define STATE_ARG_LIST			11			
#define STATE_ARG_LIST_DONE		12
#define STATE_DEC_LIST			16			
#define STATE_DEC_LIST_DONE		17
#define STATE_DEC				18
#define STATE_DEC_DONE			19
#define STATE_RET				20			
#define STATE_BEGIN				STATE_STMT

#define FLAGS_EXE				0x1				
#define FLAGS_VARIABLES			0x2				
#define FLAGS_FUNCTIONS			0x4				


typedef struct {
	char_t		*fname;							
	char_t		**args;							
	int			nArgs;							/* Number of args */
} ejfunc_t;

typedef struct ejEval {
	ringq_t		tokbuf;							
	ringq_t		script;							/* Input script for parsing */
	char_t		*putBackToken;					
	int			putBackTokenId;					
	char_t		*line;							
	int			lineLength;						
	int			lineNumber;						
	int			lineColumn;						
} ejinput_t;

typedef struct ej {
	ejinput_t	*input;							
	sym_fd_t	functions;						
	sym_fd_t	*variables;						
	int			variableMax;					
	ejfunc_t	*func;							
	char_t		*result;						
	char_t		*error;							
	char_t		*token;							
	int			tid;							/* Current token id */
	int			eid;							/* Halloc handle */
	int			flags;							
	int			userHandle;						/* User defined handle */
} ej_t;

extern int		ejOpenBlock(int eid);
extern int		ejCloseBlock(int eid, int vid);
extern char_t	*ejEvalBlock(int eid, char_t *script, char_t **emsg);
#ifndef __NO_EJ_FILE
extern char_t	*ejEvalFile(int eid, char_t *path, char_t **emsg);
#endif
extern int		ejRemoveGlobalFunction(int eid, char_t *name);
extern void		*ejGetGlobalFunction(int eid, char_t *name);
extern int 		ejSetGlobalFunctionDirect(sym_fd_t functions, char_t *name, 
					int (*fn)(int eid, void *handle, int argc, char_t **argv));
extern void 	ejError(ej_t* ep, char_t* fmt, ...);
extern void		ejSetUserHandle(int eid, int handle);
extern int		ejGetUserHandle(int eid);
extern int		ejGetLineNumber(int eid);
extern char_t	*ejGetResult(int eid);
extern void		ejSetLocalVar(int eid, char_t *var, char_t *value);
extern void		ejSetGlobalVar(int eid, char_t *var, char_t *value);

extern int 		ejLexOpen(ej_t* ep);
extern void 	ejLexClose(ej_t* ep);
extern int	 	ejLexOpenScript(ej_t* ep, char_t *script);
extern void 	ejLexCloseScript(ej_t* ep);
extern void 	ejLexSaveInputState(ej_t* ep, ejinput_t* state);
extern void 	ejLexFreeInputState(ej_t* ep, ejinput_t* state);
extern void 	ejLexRestoreInputState(ej_t* ep, ejinput_t* state);
extern int		ejLexGetToken(ej_t* ep, int state);
extern void		ejLexPutbackToken(ej_t* ep, int tid, char_t *string);

extern int ejEmfDbRead(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfDbReadKeyed(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfDbTableGetNrow(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfDbDeleteRow(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfTrace(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfDbWrite(int eid, void *handle, int argc, char_t **argv);
extern int ejEmfDbCollectTable(int eid, void *handle, int argc, char_t **argv);

extern sym_fd_t	ejGetVariableTable(int eid);
extern sym_fd_t	ejGetFunctionTable(int eid);

extern int		ejEmfOpen(int eid);
extern void		ejEmfClose(int eid);
#endif /* _h_EJINTERNAL */