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hyung-hwan 2006-06-22 14:15:02 +00:00
parent 6a969fbdd8
commit ff55d64302
7 changed files with 221 additions and 12 deletions
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96
ase/awk/extio.c
View File

@ -1,5 +1,5 @@
/*
* $Id: extio.c,v 1.8 2006-06-22 04:25:44 bacon Exp $
* $Id: extio.c,v 1.9 2006-06-22 14:15:01 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -100,6 +100,100 @@ xp_printf(XP_TEXT("%s"), buf);
return 1;
}
int xp_awk_writeextio (
xp_awk_run_t* run, int type,
const xp_char_t* name, xp_awk_val_t* v, int* errnum)
{
xp_awk_extio_t* p = run->extio;
xp_awk_io_t handler = run->awk->extio[type];
int ioopt;
if (handler == XP_NULL)
{
/* no io handler provided */
*errnum = XP_AWK_EIOIMPL; /* TODO: change the error code */
return -1;
}
while (p != XP_NULL)
{
if (p->type == type &&
xp_strcmp(p->name,name) == 0) break;
p = p->next;
}
if (p == XP_NULL)
{
p = (xp_awk_extio_t*) xp_malloc (xp_sizeof(xp_awk_extio_t));
if (p == XP_NULL)
{
*errnum = XP_AWK_ENOMEM;
return -1;
}
p->name = xp_strdup (name);
if (p->name == XP_NULL)
{
xp_free (p);
*errnum = XP_AWK_ENOMEM;
return -1;
}
p->type = type;
p->handle = XP_NULL;
p->next = XP_NULL;
if (type == XP_AWK_EXTIO_PIPE)
ioopt = XP_AWK_IO_PIPE_READ;
else if (type == XP_AWK_EXTIO_FILE)
ioopt = XP_AWK_IO_FILE_READ;
else ioopt = 0; /* TODO: how to handle this??? */
if (handler (XP_AWK_IO_OPEN, ioopt, p, XP_NULL, 0) == -1)
{
xp_free (p->name);
xp_free (p);
/* TODO: set ERRNO */
*errnum = XP_AWK_ENOERR;
return -1;
}
if (p->handle == XP_NULL)
{
xp_free (p->name);
xp_free (p);
/* wrong implementation of user io handler.
* the correct io handler should set p->handle to
* non XP_NULL when it returns 0. */
*errnum = XP_AWK_EIOIMPL;
return -1;
}
/* chain it */
p->next = run->extio;
run->extio = p;
}
{
xp_awk_printval (v);
#if 0
xp_char_t buf[1024] = XP_T("temp...");;
if (handler (XP_AWK_IO_WRITE, 0, p, buf, xp_countof(buf)) == 0)
{
/* no more data. end of data stream */
return 0;
}
xp_printf(XP_TEXT("%s"), buf);
#endif
}
return 1;
}
int xp_awk_closeextio (xp_awk_run_t* run, const xp_char_t* name, int* errnum)
{
xp_awk_extio_t* p = run->extio, * px = XP_NULL;

5
ase/awk/extio.h
View File

@ -12,6 +12,11 @@ extern "C"
int xp_awk_readextio (
xp_awk_run_t* run, int type, const xp_char_t* name, int* errnum);
int xp_awk_writeextio (
xp_awk_run_t* run, int type,
const xp_char_t* name, xp_awk_val_t* v, int* errnum);
int xp_awk_closeextio (
xp_awk_run_t* run, const xp_char_t* name, int* errnum);

11
ase/awk/parse.c
View File

@ -1,5 +1,5 @@
/*
* $Id: parse.c,v 1.120 2006-06-22 04:25:44 bacon Exp $
* $Id: parse.c,v 1.121 2006-06-22 14:15:01 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -2786,9 +2786,12 @@ static xp_awk_nde_t* __parse_print (xp_awk_t* awk)
xp_awk_nde_t* out = XP_NULL;
int out_type = -1;
/* TODO: expression list............ */
/* TODO: handle expression list, not just a single expression */
/* TODO: handle ambiguiouty print "1111" > "2222". is > redirection? */
if (!MATCH(awk,TOKEN_SEMICOLON) &&
!MATCH(awk,TOKEN_GT) &&
!MATCH(awk,TOKEN_RSHIFT) &&
!MATCH(awk,TOKEN_BOR) &&
!MATCH(awk,TOKEN_BORAND))
{
@ -2800,6 +2803,10 @@ static xp_awk_nde_t* __parse_print (xp_awk_t* awk)
{
out_type = XP_AWK_PRINT_FILE;
}
else if (MATCH(awk,TOKEN_RSHIFT))
{
out_type = XP_AWK_PRINT_FILE_APPEND;
}
else if (MATCH(awk,TOKEN_BOR))
{
out_type = XP_AWK_PRINT_PIPE;

103
ase/awk/run.c
View File

@ -1,5 +1,5 @@
/*
* $Id: run.c,v 1.105 2006-06-22 04:25:44 bacon Exp $
* $Id: run.c,v 1.106 2006-06-22 14:15:01 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -1079,8 +1079,99 @@ static int __run_nextfile_statement (xp_awk_run_t* run, xp_awk_nde_nextfile_t* n
static int __run_print_statement (xp_awk_run_t* run, xp_awk_nde_print_t* nde)
{
xp_printf (XP_T("**** print NOT IMPLEMENTED...\n"));
return -1;
xp_awk_nde_print_t* p = (xp_awk_nde_print_t*)nde;
xp_awk_val_t* v;
if (p->out_type == XP_AWK_PRINT_PIPE)
{
xp_awk_val_t* out;
xp_char_t* dst;
int errnum, n;
out = __eval_expression (run, p->out);
if (out == XP_NULL) return -1;
xp_awk_refupval (out);
dst = xp_awk_valtostr (out, &errnum, XP_NULL);
if (dst == XP_NULL)
{
xp_awk_refdownval (run, out);
PANIC_I (run, errnum);
}
xp_awk_refdownval (run, out);
if (p->args == XP_NULL)
{
/* TODO: get $0 ans use it for v */
v = xp_awk_makestrval (XP_T("$0\n"), 1);
if (v == XP_NULL)
{
xp_free (dst);
PANIC_I (run, XP_AWK_ENOMEM);
}
xp_awk_refupval (v);
n = xp_awk_writeextio (
run, XP_AWK_EXTIO_PIPE, dst, v, &errnum);
if (n < 0 && errnum != XP_AWK_ENOERR)
{
xp_free (dst);
xp_awk_refdownval (run, v);
PANIC_I (run, errnum);
}
xp_awk_refdownval (run, v);
}
else
{
xp_awk_nde_t* np = p->args;
while (np != XP_NULL)
{
v = __eval_expression (run, np);
if (v == XP_NULL)
{
xp_free (dst);
return -1;
}
xp_awk_refupval (v);
n = xp_awk_writeextio (
run, XP_AWK_EXTIO_PIPE, dst, v, &errnum);
if (n < 0 && errnum != XP_AWK_ENOERR)
{
xp_free (dst);
xp_awk_refdownval (run, v);
PANIC_I (run, errnum);
}
xp_awk_refdownval (run, v);
np = np->next;
}
}
xp_free (dst);
return 0;
}
else if (p->out_type == XP_AWK_PRINT_COPROC)
{
xp_printf (XP_T("eval_getline coprocess not properly implemented....\n"));
return -1;
}
else if (p->out_type == XP_AWK_PRINT_FILE)
{
xp_printf (XP_T("eval_print PRINT_FILE not properly implemented....\n"));
return -1;
}
else if (p->out_type == XP_AWK_PRINT_FILE_APPEND)
{
xp_printf (XP_T("eval_print PRINT_FILE_APPEND not properly implemented....\n"));
return -1;
}
else
{
xp_assert (!"should never happen - wrong out_type for getline");
PANIC_I (run, XP_AWK_EINTERNAL);
}
}
static xp_awk_val_t* __eval_expression (xp_awk_run_t* run, xp_awk_nde_t* nde)
@ -2965,6 +3056,9 @@ static xp_awk_val_t* __eval_getline (xp_awk_run_t* run, xp_awk_nde_t* nde)
n = xp_awk_readextio (run, XP_AWK_EXTIO_PIPE, str, &errnum);
xp_free (str);
/* TODO: set the value to var if it is not null */
/* TODO: set $0 if var is null */
if (n < 0 && errnum != XP_AWK_ENOERR) PANIC (run, errnum);
return xp_awk_makeintval (run, n);
}
@ -2994,6 +3088,9 @@ static xp_awk_val_t* __eval_getline (xp_awk_run_t* run, xp_awk_nde_t* nde)
n = xp_awk_readextio (run, XP_AWK_EXTIO_FILE, str, &errnum);
xp_free (str);
/* TODO: set the value to var if it is not null */
/* TODO: set $0 if var is null */
if (n < 0 && errnum != XP_AWK_ENOERR) PANIC (run, errnum);
return xp_awk_makeintval (run, n);
}

5
ase/awk/tree.c
View File

@ -1,5 +1,5 @@
/*
* $Id: tree.c,v 1.55 2006-06-19 15:43:27 bacon Exp $
* $Id: tree.c,v 1.56 2006-06-22 14:15:02 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -79,7 +79,8 @@ static const xp_char_t* __print_outop_str[] =
{
XP_T("|"),
XP_T("|&"),
XP_T(">")
XP_T(">"),
XP_T(">>")
};
static void __print_tabs (int depth);

9
ase/awk/tree.h
View File

@ -1,5 +1,5 @@
/*
* $Id: tree.h,v 1.47 2006-06-20 15:27:50 bacon Exp $
* $Id: tree.h,v 1.48 2006-06-22 14:15:02 bacon Exp $
*/
#ifndef _XP_AWK_TREE_H_
@ -69,7 +69,8 @@ enum
{
XP_AWK_PRINT_PIPE,
XP_AWK_PRINT_COPROC,
XP_AWK_PRINT_FILE
XP_AWK_PRINT_FILE,
XP_AWK_PRINT_FILE_APPEND
};
typedef struct xp_awk_afn_t xp_awk_afn_t;
@ -228,7 +229,7 @@ struct xp_awk_nde_getline_t
{
XP_AWK_NDE_HDR;
xp_awk_nde_t* var;
int in_type; /* XP_AWK_GETLINE_PIPE, XP_AWK_GETLINE_FILE */
int in_type; /* XP_AWK_GETLINE_XXX */
xp_awk_nde_t* in;
};
@ -237,7 +238,7 @@ struct xp_awk_nde_print_t
{
XP_AWK_NDE_HDR;
xp_awk_nde_t* args;
int out_type; /* XP_AWK_PRINT_PIPE, XP_AWK_PRINT_FILE */
int out_type; /* XP_AWK_PRINT_XXX */
xp_awk_nde_t* out;
};

4
ase/test/awk/t10.awk
View File

@ -1,5 +1,9 @@
BEGIN
{
print | "more";
print >> "echo";
print >> "echo";
getline x < "abc"; /* open("abc", O_RDONLY|O_LARGEFILE) = 3 */
//print 10 >> "abc"; /* open("abc", O_WRONLY|O_APPEND|O_CREAT|O_LARGEFILE, 0666) = 4 */
getline x < "abc";