#include <sys/types.h>
#include <common/portability.h>



typedef	u_char	*U_C_PTR;

#undef  YYSTYPE
#define	YYSTYPE	U_C_PTR


typedef struct code_s {
	char	op;
	char	*arg;
	u_short	label;
	short	type;
	u_short	line;
	char	file;
	struct code_s *next,
		*prev;
} code_t;



typedef struct _sym {
        char    *name,
                *val;
        short	type;
	char	array,
		usign;
        int     length,
		source;
        struct _sym *next;
} sym_t;


typedef struct _funct {
	char	*name;
	code_t	*code;
	sym_t	*params;
	struct 	_funct *next;
} funct_t;


typedef	struct array_s {
	sym_t	*sym;
	struct	array_s *next;
} array_t;



typedef struct stack_s {
	u_short	block;
	short	type;
	sym_t	*sym;
	struct	stack_s *next;
} sstack_t;


typedef struct plist_s {
        sym_t    *sym;
        struct  plist_s *next;
} plist_t;


typedef struct efunct_s {
        char    *name;
        void    (*funct) ();
	char	*functName;
        int    	numParams;
        int     paramTypes[20];
} efunct_t;



typedef struct fbucket_s {
        efunct_t                *funct;
        struct fbucket_s        *next;
} fbucket_t;


typedef struct lstack_s {
	int	label;
	struct	lstack_s	*next;
} lstack_t;


typedef struct type_s {
	char	*name;
	int	length;
	int	(*pack)();
	int	(*unpack)();
	int	(*read)();
	int	(*write)();
	int	(*compare)();
	int	(*math)();
	int	(*check)();
} type_t;



#define	OP_CALL		1
#define OP_PUSH		2
#define OP_CMP		3
#define OP_JMP		4
#define OP_JMP_FALSE	5
#define OP_JMP_BACK	6
#define OP_LABEL	7
#define OP_STORE	8
#define OP_A_STORE	9
#define OP_DEREF	10
#define OP_ALU		11
#define OP_BLOCK_IN	12
#define OP_BLOCK_OUT	13
#define OP_EXIT		14
#define OP_ECHO		15
#define OP_CAST		16
#define OP_COUNT	17
#define OP_PUSHRET	18
#define OP_RETURN	19

#define	OP_ADD		100
#define OP_SUB		101
#define OP_MUL		102
#define OP_DIV		103
#define OP_AND		105
#define OP_OR		106
#define OP_MOD		107

#define SCALAR		1
#define ARRAY		2
#define	VARIABLE	3

#define	TYPE_REAL	0
#define	TYPE_INT	1
#define	TYPE_CHAR	2
#define	TYPE_UINT	3


#define	P_TEXT		1
#define	P_INT		2
#define P_ARRAY		3


#define	SRC_POST	1
#define SRC_IMPORT	2
#define SRC_GET		3
#define SRC_SECURE	SRC_IMPORT

#define SYM_HASH_SIZE   64


/*
** Pre declarations
*/

#if defined(__STDC__) || defined(__cplusplus)
#  define __ANSI_PROTO(x)       x
#else
#  define __ANSI_PROTO(x)       ()
#endif



/* Lexer / Parser */

int	yylex();
int	yyparse();
void	yyerror __ANSI_PROTO((char *));
void	parseError __ANSI_PROTO((char *));
void	runError __ANSI_PROTO((char *));
void 	lexInitScanner __ANSI_PROTO((u_char *));
void 	sendFooter ();


/* Symbol table routines */

int symCheckSymbol __ANSI_PROTO((char *));
int symGetNumArrayElements __ANSI_PROTO((sym_t *));
int symSetArray __ANSI_PROTO((char *, sym_t *));

char *expandText __ANSI_PROTO((char *));
char *symUnpackSymbol __ANSI_PROTO((sym_t *));

sym_t *createArray();
sym_t *createArrayLiteral();
sym_t *createCharSymbol __ANSI_PROTO((char *));
sym_t *createIntSymbol __ANSI_PROTO((int));
sym_t *createRealSymbol __ANSI_PROTO((double));
sym_t *createUintSymbol __ANSI_PROTO((int));
sym_t *symCreateLiteral __ANSI_PROTO((char *, int));
sym_t *symCreateMacroLiteral __ANSI_PROTO((char *));
sym_t *symCreateSymbol __ANSI_PROTO((char *, int, int));
sym_t *symGetArrayElement __ANSI_PROTO((sym_t *, int));
sym_t *symGetEnvironVariable __ANSI_PROTO((char *));
sym_t *symGetMacro __ANSI_PROTO((char *));
sym_t *symGetSymbol __ANSI_PROTO((char *));
sym_t *symdup __ANSI_PROTO((sym_t *));

void initSymbolTables();
void symAddArrayElement __ANSI_PROTO((char *));
void symClearArray __ANSI_PROTO((sym_t *));
void symCreateArrayGlobal __ANSI_PROTO((char *,char **,int));
void symCreateCharGlobal __ANSI_PROTO((char *,char *));
void symCreateCharMacro __ANSI_PROTO((char *,char *));
void symCreateIntGlobal __ANSI_PROTO((char *,int));
void symCreateIntMacro __ANSI_PROTO((char *,int));
void symCreateRealGlobal __ANSI_PROTO((char *,double));
void symCreateRealMacro __ANSI_PROTO((char *,double));
void symFreeSymbol __ANSI_PROTO((sym_t *));
void symFreeSymbolData __ANSI_PROTO((sym_t *));
void symSetArrayElement __ANSI_PROTO((sym_t *, int, sym_t *));
void symSetValue __ANSI_PROTO((sym_t *, sym_t *));
void symStackIn();
void symStackOut();
void symStoreSymbol __ANSI_PROTO((sym_t **, sym_t *));
void symTypeCast __ANSI_PROTO((sym_t *,int));

array_t *symArrayDup __ANSI_PROTO((sym_t *));


/* Code generation routines */

int 	addFunction __ANSI_PROTO((char *));
int 	addParam __ANSI_PROTO((char *, char *));
int 	codePopBreak();
int 	codePopContinue();
int 	codePopLabel();
int 	popBreak ();
int 	popContinue ();
int 	popLabel ();

void 	codeALU __ANSI_PROTO((int));
void 	codeArrayStore __ANSI_PROTO((char *));
void 	codeBlockIn();
void 	codeBlockOut();
void 	codeCall __ANSI_PROTO((char *));
void 	codeCast __ANSI_PROTO((char *));
void 	codeCmp __ANSI_PROTO((int));
void 	codeCount();
void 	codeDeref __ANSI_PROTO((char *));
void 	codeEcho __ANSI_PROTO((char *));
void 	codeExit ();
void 	codeHtml __ANSI_PROTO((int, int));
void 	codeJmp __ANSI_PROTO((int));
void 	codeJmpBack __ANSI_PROTO((int));
void 	codeJmpFalse __ANSI_PROTO((int));
void 	codeLabel __ANSI_PROTO((int));
void 	codePush __ANSI_PROTO((char *));
void 	codePushBreak __ANSI_PROTO((int));
void 	codePushContinue __ANSI_PROTO((int));
void 	codePushLabel __ANSI_PROTO((int));
void 	codePushRet();
void 	codeReturn();
void 	codeStore __ANSI_PROTO((char *));
void 	dumpCode ();
void 	endOfFunction();
void 	pushBreak __ANSI_PROTO((int));
void 	pushContinue __ANSI_PROTO((int));
void 	pushLabel __ANSI_PROTO((int));


/* Code simulation routines */

int	checkNumeric __ANSI_PROTO((char *));
int	getLine();
int	runCode __ANSI_PROTO((char *));
int 	simGetLineNum();

char *simGetFileName();

void	doExit();
void	doBlockIn();
void	doBlockOut();
void	doCall __ANSI_PROTO((code_t *));
void	doEcho __ANSI_PROTO((plist_t *));
void	doPushVar __ANSI_PROTO((code_t *));
void	doPushVal __ANSI_PROTO((code_t *));
void	doPushLiteral __ANSI_PROTO((code_t *));
void	doStore __ANSI_PROTO((code_t *));
void	doArrayStore __ANSI_PROTO((code_t *));
void	doDeref __ANSI_PROTO((code_t *));
void	doALU __ANSI_PROTO((code_t *));
void	doCmp __ANSI_PROTO((code_t *));



/* External interface routines */

int	calcHash __ANSI_PROTO((char *));
int	getNumArrayElements __ANSI_PROTO((array_t *));
int 	hex2dec __ANSI_PROTO((char *));
int 	modLoadModule __ANSI_PROTO((char *));
int 	modLoadModuleFunctions __ANSI_PROTO((void *, efunct_t *));
int 	oct2dec __ANSI_PROTO((char *));
int	str2int __ANSI_PROTO((char *));

char	*deleteObject __ANSI_PROTO((u_int));
char	*fetchObject __ANSI_PROTO((u_int));
char	*getArrayElement __ANSI_PROTO((array_t *, int));
char	*int2str __ANSI_PROTO((int));

void	addExterns __ANSI_PROTO((efunct_t *));
void	setReturnValue __ANSI_PROTO((char *, int));
void	setupModules ();

sym_t 	*createArray();

u_int	storeObject __ANSI_PROTO((char *));

efunct_t *findExtern __ANSI_PROTO((char *));


/* Type handling routines */

type_t 	*typeGetType __ANSI_PROTO((int));
int 	typeGetTypeIndex __ANSI_PROTO((char *));

sym_t	*createIntSymbol __ANSI_PROTO((int));
sym_t	*createRealSymbol __ANSI_PROTO((double));
sym_t	*createCharSymbol __ANSI_PROTO((char *));



/* lib.c prototypes */
int libLoadLibrary __ANSI_PROTO((char *));
int libWriteLibrary __ANSI_PROTO((char *));


/* Misc */

void checkContentType();
void initStandardModule();
void initMsqlModule();
void initModules();
void setError();
int typeDetermineType __ANSI_PROTO((char*));


/*
** Inline definitions
*/

/* inlined, unaligned, 4-byte copy */
#define bcopy4(s,d) \
      ((((unsigned char *)d)[0] = ((unsigned char *)s)[0]), \
       (((unsigned char *)d)[1] = ((unsigned char *)s)[1]), \
       (((unsigned char *)d)[2] = ((unsigned char *)s)[2]), \
       (((unsigned char *)d)[3] = ((unsigned char *)s)[3]))
/* inlined, unaligned, 8-byte copy */
#define bcopy8(s,d) \
      ((((unsigned char *)d)[0] = ((unsigned char *)s)[0]), \
       (((unsigned char *)d)[1] = ((unsigned char *)s)[1]), \
       (((unsigned char *)d)[2] = ((unsigned char *)s)[2]), \
       (((unsigned char *)d)[3] = ((unsigned char *)s)[3]), \
       (((unsigned char *)d)[4] = ((unsigned char *)s)[4]), \
       (((unsigned char *)d)[5] = ((unsigned char *)s)[5]), \
       (((unsigned char *)d)[6] = ((unsigned char *)s)[6]), \
       (((unsigned char *)d)[7] = ((unsigned char *)s)[7]))



/*
** Macros for matching character classes.  These are in addition to
** those provided in <ctypes.h>
*/

#ifdef  iswhite
# undef iswhite
#endif
#define iswhite(c)      (c == ' ' || c == '\t' || c == '\n')

#ifdef  iscompop
# undef iscompop
#endif
#define iscompop(c)     (c == '<' || c == '>' || c == '=')