exlib.h File Reference

#include <ast/ast.h>
#include <cgraph/agxbuf.h>
#include <sfio/sfio.h>
#include <stdio.h>
#include <expr/expr.h>
#include <ctype.h>
#include <ast/error.h>

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Data Structures
struct	Exinput_s
struct	Print_s
struct	Switch_s
struct	Exassoc_s
struct	Exstate_s

Macros
#define	_EXLIB_H
#define	_EX_DATA_PRIVATE_
#define	_EX_NODE_PRIVATE_    int subop; /* operator qualifier */
#define	_EX_PROG_PRIVATE_
#define	id_string   (&exbuiltin[0])
#define	exunlex(p, c)   ((p)->linep--,(p)->input->peek=(c))
#define	putcontext(p, c)   (((p)->linep>=&(p)->line[sizeof((p)->line)]?(p)->linep=(p)->line,(p)->linewrap=1:0),*(p)->linep++=(c))
#define	setcontext(p)   ((p)->linep=(p)->line,(p)->linewrap=0)

Typedefs
typedef struct Exinput_s	Exinput_t
typedef struct Print_s	Print_t
typedef struct Switch_s	Switch_t
typedef struct Exassoc_s	Exassoc_t
typedef struct Exstate_s	Exstate_t

Functions
int	ex_parse (void)

Variables
Exid_t	exbuiltin []
const char *	exversion
Exstate_t	expr

Macro Definition Documentation

_EX_DATA_PRIVATE_

#define _EX_DATA_PRIVATE_

Definition at line 52 of file exlib.h.

_EX_NODE_PRIVATE_

#define _EX_NODE_PRIVATE_    int subop; /* operator qualifier */

Definition at line 97 of file exlib.h.

_EX_PROG_PRIVATE_

#define _EX_PROG_PRIVATE_

Value:

        Vmalloc_t*      ve;             /* eval tmp region              */ \
        Dt_t*           frame;          /* frame symbol table           */ \
        Dtdisc_t        symdisc;        /* Expr_t.symbols discipline    */ \
        Exdisc_t*       disc;           /* user discipline              */ \
        Exinput_t*      input;          /* input stack                  */ \
        Expr_t*         program;        /* previous program on stack    */ \
        agxbuf          tmp;            /* tmp string buffer            */ \
        Extype_t        loopret;        /* return value                 */ \
        Exid_t          main;           /* main procedure               */ \
        char            line[512];      /* last few input tokens        */ \
        char*           linep;          /* line[] pointer               */ \
        int             eof;            /* lex hit eof                  */ \
        int             errors;         /* fatal error count            */ \
        int             formals;        /* parsing formal args          */ \
        int             linewrap;       /* linep wrapped around line[]  */ \
        long long loopcount; /* break|continue|return count     */ \
        int             loopop;         /* break|continue|return op     */ \
        int             nesting;        /* exstatement() nesting        */

Definition at line 100 of file exlib.h.

_EXLIB_H

#define _EXLIB_H

Definition at line 23 of file exlib.h.

exunlex

#define exunlex	(		p,
			c
	)		((p)->linep--,(p)->input->peek=(c))

Definition at line 126 of file exlib.h.

id_string

#define id_string   (&exbuiltin[0])

Definition at line 124 of file exlib.h.

putcontext

#define putcontext	(		p,
			c
	)		(((p)->linep>=&(p)->line[sizeof((p)->line)]?(p)->linep=(p)->line,(p)->linewrap=1:0),*(p)->linep++=(c))

Definition at line 127 of file exlib.h.

setcontext

#define setcontext

(

p

)

((p)->linep=(p)->line,(p)->linewrap=0)

Definition at line 128 of file exlib.h.

Typedef Documentation

Exassoc_t

typedef struct Exassoc_s Exassoc_t

Exinput_t

typedef struct Exinput_s Exinput_t

Exstate_t

typedef struct Exstate_s Exstate_t

Print_t

typedef struct Print_s Print_t

Switch_t

typedef struct Switch_s Switch_t

Function Documentation

ex_parse()

int ex_parse ( void  )

extern

Variable Documentation

exbuiltin

Exid_t exbuiltin[]

extern

Definition at line 24 of file exdata.c.

Referenced by exopen().

expr

Exstate_t expr

extern

Referenced by exerror(), extoken_fn(), exwarn(), exzero(), if(), if(), if(), if(), make_msg(), and scformat().

exversion

const char* exversion

extern

Definition at line 22 of file exdata.c.

Referenced by exccopen().