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e6be1240e1
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@ -1,5 +1,5 @@
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/*
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* $Id: awk.c,v 1.61 2006-07-28 10:34:21 bacon Exp $
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* $Id: awk.c,v 1.62 2006-07-30 15:53:42 bacon Exp $
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*/
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#include <xp/awk/awk_i.h>
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@ -229,7 +229,6 @@ xp_size_t xp_awk_getsrcline (xp_awk_t* awk)
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return awk->token.line;
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}
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/* TODO: imrove this... should it close io when it is overridden with a new handler??? */
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int xp_awk_setextio (xp_awk_t* awk, int id, xp_awk_io_t handler, void* arg)
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{
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@ -1,5 +1,5 @@
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/*
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* $Id: awk.h,v 1.83 2006-07-28 10:34:21 bacon Exp $
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* $Id: awk.h,v 1.84 2006-07-30 15:53:42 bacon Exp $
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*/
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#ifndef _XP_AWK_AWK_H_
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@ -62,15 +62,36 @@ enum
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/* parse options */
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enum
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{
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XP_AWK_IMPLICIT = (1 << 0), /* allow undeclared variables */
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XP_AWK_EXPLICIT = (1 << 1), /* variable requires explicit declaration */
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XP_AWK_UNIQUE = (1 << 2), /* a function name should not coincide to be a variable name */
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XP_AWK_SHADING = (1 << 3), /* allow variable shading */
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XP_AWK_SHIFT = (1 << 4), /* support shift operators */
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XP_AWK_HASHSIGN = (1 << 5), /* support comments by a hash sign */
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XP_AWK_DBLSLASHES = (1 << 6), /* support comments by double slashes */
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/* allow undeclared variables */
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XP_AWK_IMPLICIT = (1 << 0),
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XP_AWK_EXTIO = (1 << 7) /* support getline and print */
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/* variable requires explicit declaration */
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XP_AWK_EXPLICIT = (1 << 1),
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/* a function name should not coincide to be a variable name */
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XP_AWK_UNIQUE = (1 << 2),
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/* allow variable shading */
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XP_AWK_SHADING = (1 << 3),
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/* support shift operators */
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XP_AWK_SHIFT = (1 << 4),
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/* support comments by a hash sign */
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XP_AWK_HASHSIGN = (1 << 5),
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/* support comments by double slashes */
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XP_AWK_DBLSLASHES = (1 << 6),
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/* support string concatenation in tokenization.
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* this option can change the behavior of a certain construct.
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* getline < "abc" ".def" is treated as if it is getline < "abc.def"
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* when this option is on. If this option is off, the same expression
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* is treated as if it is (getline < "abc") ".def". */
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XP_AWK_STRCONCAT = (1 << 7),
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/* support getline and print */
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XP_AWK_EXTIO = (1 << 8)
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};
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/* run options */
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@ -177,10 +198,9 @@ void xp_awk_setrunopt (xp_awk_t* awk, int opt);
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int xp_awk_attsrc (xp_awk_t* awk, xp_awk_io_t src, void* arg);
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int xp_awk_detsrc (xp_awk_t* awk);
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xp_size_t xp_awk_getsrcline (xp_awk_t* awk);
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int xp_awk_setextio (xp_awk_t* awk, int id, xp_awk_io_t handler, void* arg);
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xp_size_t xp_awk_getsrcline (xp_awk_t* awk);
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int xp_awk_parse (xp_awk_t* awk);
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int xp_awk_run (xp_awk_t* awk);
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@ -1,5 +1,5 @@
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/*
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* $Id: extio.c,v 1.21 2006-07-28 10:34:21 bacon Exp $
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* $Id: extio.c,v 1.22 2006-07-30 15:53:42 bacon Exp $
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*/
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#include <xp/awk/awk_i.h>
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@ -144,7 +144,10 @@ int xp_awk_readextio (
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xp_free (p->name);
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xp_free (p);
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/* TODO: set ERRNO */
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/* TODO: use meaningful error code */
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xp_awk_setglobal (run,
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XP_AWK_GLOBAL_ERRNO, xp_awk_val_one);
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*errnum = XP_AWK_ENOERR;
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return -1;
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}
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@ -183,7 +186,10 @@ int xp_awk_readextio (
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if (n == -1)
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{
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/* handler error. getline should return -1 */
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/* TODO: set ERRNO */
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/* TODO: use meaningful error code */
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xp_awk_setglobal (run,
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XP_AWK_GLOBAL_ERRNO, xp_awk_val_one);
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*errnum = XP_AWK_ENOERR;
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return -1;
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}
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@ -238,6 +244,8 @@ int xp_awk_writeextio (
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return -1;
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}
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if (v->type != XP_AWK_VAL_STR)
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{
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/* TODO: optimize the buffer management.
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* each xp_awk_run_t may have a buffer for this. */
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if (xp_str_open (&buf, 256) == XP_NULL)
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@ -252,6 +260,7 @@ int xp_awk_writeextio (
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xp_str_close (&buf);
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return -1;
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}
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}
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/* look for the corresponding extio for name */
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while (p != XP_NULL)
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@ -278,7 +287,7 @@ int xp_awk_writeextio (
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p = (xp_awk_extio_t*) xp_malloc (xp_sizeof(xp_awk_extio_t));
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if (p == XP_NULL)
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{
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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*errnum = XP_AWK_ENOMEM;
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return -1;
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}
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@ -287,7 +296,7 @@ int xp_awk_writeextio (
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if (p->name == XP_NULL)
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{
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xp_free (p);
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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*errnum = XP_AWK_ENOMEM;
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return -1;
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}
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@ -302,9 +311,12 @@ int xp_awk_writeextio (
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{
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xp_free (p->name);
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xp_free (p);
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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/* TODO: use meaningful error code */
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xp_awk_setglobal (run,
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XP_AWK_GLOBAL_ERRNO, xp_awk_val_one);
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/* TODO: set ERRNO */
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*errnum = XP_AWK_ENOERR;
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return -1;
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}
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@ -322,21 +334,35 @@ int xp_awk_writeextio (
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/* TODO: if write handler returns less than the request, loop */
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/* TODO: */
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/* TODO: */
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if (v->type != XP_AWK_VAL_STR)
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{
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n = handler (XP_AWK_IO_WRITE, p,
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XP_STR_BUF(&buf), XP_STR_LEN(&buf));
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}
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else
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{
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n = handler (XP_AWK_IO_WRITE, p,
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((xp_awk_val_str_t*)v)->buf,
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((xp_awk_val_str_t*)v)->len);
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}
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if (n == -1)
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{
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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/* TODO: use meaningful error code */
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xp_awk_setglobal (run,
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XP_AWK_GLOBAL_ERRNO, xp_awk_val_one);
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*errnum = XP_AWK_ENOERR;
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return -1;
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}
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if (n == 0)
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{
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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return 0;
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}
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xp_str_close (&buf);
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if (v->type != XP_AWK_VAL_STR) xp_str_close (&buf);
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return 1;
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}
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/*
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* $Id: parse.c,v 1.144 2006-07-28 10:36:30 bacon Exp $
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* $Id: parse.c,v 1.145 2006-07-30 15:53:42 bacon Exp $
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*/
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#include <xp/awk/awk_i.h>
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@ -2084,7 +2084,9 @@ static xp_awk_nde_t* __parse_primary (xp_awk_t* awk)
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return XP_NULL;
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}
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in = __parse_expression (awk);
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/* TODO: is this correct? */
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/*in = __parse_expression (awk);*/
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in = __parse_primary (awk);
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if (in == XP_NULL)
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{
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if (var != XP_NULL) xp_awk_clrpt (var);
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@ -3109,7 +3111,8 @@ static int __get_token (xp_awk_t* awk)
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SET_TOKEN_TYPE (awk, TOKEN_STR);
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if (__get_string(awk) == -1) return -1;
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while (1)
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while (awk->opt.parse & XP_AWK_STRCONCAT)
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{
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do
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{
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@ -3123,6 +3126,7 @@ static int __get_token (xp_awk_t* awk)
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if (__get_string(awk) == -1) return -1;
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}
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}
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else if (c == XP_T('='))
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{
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/*
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* $Id: run.c,v 1.143 2006-07-28 10:36:30 bacon Exp $
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* $Id: run.c,v 1.144 2006-07-30 15:53:42 bacon Exp $
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*/
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#include <xp/awk/awk_i.h>
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@ -460,7 +460,7 @@ static int __run_main (xp_awk_run_t* run)
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if (__run_block (run, blk) == -1) n = -1;
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}
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if (n == 0)
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if (n == 0 && run->awk->tree.chain != XP_NULL)
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{
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if (__run_pattern_blocks (run) == -1) n = -1;
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}
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@ -626,7 +626,9 @@ static int __run_pattern_block_chain (xp_awk_run_t* run, xp_awk_chain_t* chain)
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}
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else
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{
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/* pattern, pattern { ... } */
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xp_assert (ptn->next->next == XP_NULL);
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/* TODO: implement this */
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xp_awk_refdownval (run, v1);
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xp_printf (XP_T("ERROR: pattern, pattern NOT OMPLEMENTED\n"));
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@ -1388,14 +1390,7 @@ static int __run_print (xp_awk_run_t* run, xp_awk_nde_print_t* nde)
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if (p->args == XP_NULL)
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{
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/* TODO: get $0 ans use it for v */
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v = xp_awk_makestrval0 (
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XP_T("<TODO: PRINT $0 WITH A TRAILING NEWLINE>\n"));
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if (v == XP_NULL)
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{
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if (out != XP_NULL) xp_free (out);
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PANIC_I (run, XP_AWK_ENOMEM);
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}
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v = run->inrec.d0;
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xp_awk_refupval (v);
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n = xp_awk_writeextio (run, p->out_type, dst, v, &errnum);
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@ -1434,6 +1429,7 @@ static int __run_print (xp_awk_run_t* run, xp_awk_nde_print_t* nde)
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/* TODO: print proper field separator */
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}
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}
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/* TODO: predefine the new line string
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* for performance improvement*/
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@ -1456,7 +1452,6 @@ static int __run_print (xp_awk_run_t* run, xp_awk_nde_print_t* nde)
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xp_awk_refdownval (run, v);
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/* TODO: how to handle n == -1 && errnum == XP_AWK_ENOERR. that is the user handler returned an error... */
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}
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if (out != XP_NULL) xp_free (out);
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return 0;
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@ -1661,6 +1656,7 @@ static xp_awk_val_t* __do_assignment_scalar (
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PANIC (run, XP_AWK_ENOTSCALARIZABLE);
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}
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/* TODO: if var->id.idxa == XP_AWK_GLOBAL_NF recompute $0, etc */
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xp_awk_refdownval (run, old);
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STACK_GLOBAL(run,var->id.idxa) = val;
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xp_awk_refupval (val);
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getline x < "abc";
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if (x == "a") print "xxxxxxxxxxxxxxxx"; else print x;
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*/
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/*
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print "--------------";
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*/
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getline x < "abc";
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print x > "abc";
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print (1 (2 getline j) j);
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print "abc" 1 + 2 3 + 49 2 / 3;
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if (getline x < "abc" == -1)
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{
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print "ERRNO = ", ERRNO;
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}
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print x > "def";
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// print (1 (2 getline j) j);
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// print "abc" 1 + 2 3 + 49 2 / 3;
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}
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BEGIN
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{
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j = -20;
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for (i = -10; i < 10; i++)
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{
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if (i == 5) exit; /*break;*/
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if (i == 5) exit;
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//if (i == 5) break;
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}
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j = -10;
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while (j < 10)
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{
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if (j == 5) break;
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@ -15,3 +16,8 @@ BEGIN
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}
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}
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END
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{
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print "i = ", i;
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print "j = ", j;
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}
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/*
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* $Id: types.h,v 1.51 2006-07-28 17:20:27 bacon Exp $
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* $Id: types.h,v 1.52 2006-07-30 15:53:42 bacon Exp $
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*/
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#ifndef _XP_TYPES_H_
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@ -213,7 +213,7 @@ typedef int xp_mcint_t;
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#if defined(vms) || defined(__vms)
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typedef unsigned int xp_wchar_t;
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typedef int xp_wcint_t;
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#if XP_SIZEOF_LONG == 4
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#elif XP_SIZEOF_LONG == 4
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typedef long xp_wchar_t;
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typedef long xp_wcint_t;
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#else
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