utility.h

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#ifndef UTILITY_H
#define UTILITY_H

#include "dccdef.h"

#define ERROR_MAPPER		64
#define ERR_CANTOPEN_FILE		0
#define ERR_UNKNOWN_CHAR	 	1
#define ERR_UNKNOWN_SIZE		2
#define ERR_SYNTAX_ERROR		3
#define	ERR_UNKNOWN_PREPROC_CMD	4
#define ERR_WRONG_PREPROC_CMD	5
#define	ERR_UNKNOWN_CONST		6
#define ERR_REDEF_VAR			7
#define ERR_WRONG_BASIC_TYPE	8
#define ERR_REDEF_TYPE			9
#define ERR_TYPE_CONFLICT		10
#define ERR_EXPECT_CONST		11
#define ERR_EXPECT_POSITIVE		12
#define ERR_REDEF_MEMBER		13
#define ERR_STRUCT_VACANT		14
#define ERR_ZERO_SIZE			15
#define	ERR_UNKNOWN_ID			16
#define ERR_ARG_NOTMATCH		17
#define ERR_FEW_ARG				18
#define ERR_EXPECT_FUNC			19
#define ERR_EXPECT_POINTER		20
#define ERR_EXPECT_STRUCT		21
#define ERR_NOT_MEMBER			22
#define	ERR_EXPECT_INT			23
#define ERR_EXPECT_VAR			24
#define	ERR_STORAGE_CLASS		25
#define ERR_REDEF_FUNC			26
#define	ERR_DECL_CONFLICT		27
#define	ERR_ARRAY_FUNC			28
#define ERR_REDEF_LABEL			29
#define ERR_NOT_LOOP			30
#define ERR_NOT_FOUND			31
#define ERR_DEFAULT_MORE		32

typedef struct _listnode{
	struct _listnode *next, *pre;
	void		*content;
}ListNode;
typedef struct _list{
	struct _listnode *head;
	struct _listnode *tail;
}List;

typedef struct _node{
	struct _node	*next;
	char			*name; //definition name, or type name, or variable name
	int				code;
	void			*val;
}HashNode;

typedef struct _memblk{
	struct _memblk	*next;
	int				blksize;
	int				rest;	//the rest part measured in bytes
//	char			mem[4];	//set 4 just to avoid the influence of align
}Memblk;
#define MAX(a, b) ((a)>(b)?(a):(b))

typedef struct _definition
{
	char *name;
	char *expansion;
	int arg_num;		//the one less than 0 means it is special macro
	uchar *arg_stack;		//seems null-terminal string
} Definition;

typedef struct _directory
{
	struct _directory *next;
	char *path;
} SearchDir;

/**********************************************************************/
//memmgmt.c
#define PAGESIZE 4096

void *dmalloc(int size, bool auto_flag);//if auto is false, use global style
int release_local();
int release_global();

char *newstrcpy(const char *src, int size);
long align_add(long origin, long extra);

/*********************************************************************/
//report.c

extern int error_count, warning_count;

void generror(
	int code, 
	const char *info);

void genwarning(
	int code, 
	const char *info);

int report();

void debug(
	const char *info,
	...);
/*********************************************************************/
//location.c
//the only one who returns NULL means success 
//if conflict occurs, give up to add and return the previous same;
HashNode *add_node(
	HashNode **hashtab,
	long	tabsize,
	const char *name, 
	void *target);
void remove_node(
	HashNode **hashtab,
	long	tabsize,
	const char *name);
/*
* Return the pointer to the hashnode, if no return null
*/

HashNode *lookup_node(
	HashNode **hashtab,
	long	tabsize,
	const char *name);

//not any check
void push_List(
	List *list, 
	void *target);

void *popfront_List(
	List *list);

void *popback_List(List *list);

void insert_List(List *list,
	ListNode *lnode, 
	void *target);

typedef struct _object
{
	struct _object *next;
}Object;
void appendObject(void **origin, void *extra);


extern char *currentfile;
extern int lineno;


#endif