146 lines
3.5 KiB
C
146 lines
3.5 KiB
C
#include <qse/awk/stdawk.h>
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#include <qse/si/sio.h>
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#include <qse/cmn/main.h>
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#include "awk00.h"
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static const qse_char_t* src = QSE_T(
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"BEGIN { G0 = 10; G1 = \"hello, world\"; G2 = sin(90); G3=33; G4=44; G5=55; G6=66; G7=77; G8=88; G9=99; match (\"abcdefg\", /[c-f]+/); }"
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);
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struct ginfo_t
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{
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int g[10];
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};
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typedef struct ginfo_t ginfo_t;
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static int awk_main (int argc, qse_char_t* argv[])
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{
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qse_awk_t* awk = QSE_NULL;
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qse_awk_rtx_t* rtx = QSE_NULL;
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qse_awk_parsestd_t psin[2];
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qse_char_t* str;
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qse_size_t len;
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qse_awk_val_t* rtv;
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int ret = -1, i;
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ginfo_t* ginfo;
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/* create an awk object */
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awk = qse_awk_openstd(QSE_SIZEOF(*ginfo), QSE_NULL);
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if (awk == QSE_NULL)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot open awk\n"));
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goto oops;
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}
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/* add global variables G1, G2, and G3. store the IDs to the extension
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* area. the extension area is used for demonstration. there is no special
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* need to use it when adding global variables. */
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ginfo = qse_awk_getxtn(awk);
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for (i = 0; i < QSE_COUNTOF(ginfo->g); i++)
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{
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qse_char_t name[] = QSE_T("GX");
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qse_wchar_t wname[] = QSE_WT("GX");
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qse_mchar_t mname[] = QSE_MT("GX");
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name[1] = QSE_T('0') + i;
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wname[1] = QSE_WT('0') + i;
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mname[1] = QSE_MT('0') + i;
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if (i < 3)
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ginfo->g[i] = qse_awk_addgblwithmbs(awk, mname);
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else if (i < 6)
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ginfo->g[i] = qse_awk_addgblwithwcs(awk, wname);
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else
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ginfo->g[i] = qse_awk_addgbl(awk, name);
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if (ginfo->g[i] <= -1)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_geterrmsg(awk));
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goto oops;
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}
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}
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/* prepare an awk script to parse */
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psin[0].type = QSE_AWK_PARSESTD_STR;
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psin[0].u.str.ptr = src;
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psin[0].u.str.len = qse_strlen(src);
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psin[1].type = QSE_AWK_PARSESTD_NULL;
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/* parse the script */
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if (qse_awk_parsestd (awk, psin, QSE_NULL) <= -1)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_geterrmsg(awk));
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goto oops;
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}
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/* create a runtime context */
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rtx = qse_awk_rtx_openstd (
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awk,
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0,
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QSE_T("awk08"),
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QSE_NULL, /* stdin */
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QSE_NULL, /* stdout */
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QSE_NULL /* default cmgr */
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);
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if (rtx == QSE_NULL)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_geterrmsg(awk));
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goto oops;
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}
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/* execute the script over the standard data streams */
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rtv = qse_awk_rtx_loop (rtx);
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if (rtv == QSE_NULL)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_rtx_geterrmsg(rtx));
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goto oops;
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}
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/* clear the return value */
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qse_awk_rtx_refdownval (rtx, rtv);
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/* get the values of built-in global variables
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* and print them */
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for (i = 0; i < QSE_COUNTOF(ginfo->g); i++)
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{
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str = qse_awk_rtx_valtostrdup (rtx, qse_awk_rtx_getgbl (rtx, ginfo->g[i]), &len);
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if (str == QSE_NULL)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_rtx_geterrmsg(rtx));
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goto oops;
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}
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qse_printf (QSE_T("G%d => %.*s\n"), i, (int)len, str);
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qse_awk_rtx_freemem (rtx, str);
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}
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/* get the value of RLENGTH and print it */
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str = qse_awk_rtx_valtostrdup (rtx, qse_awk_rtx_getgbl (rtx, QSE_AWK_GBL_RLENGTH), &len);
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if (str == QSE_NULL)
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{
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qse_fprintf (QSE_STDERR, QSE_T("ERROR: %s\n"), qse_awk_rtx_geterrmsg(rtx));
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goto oops;
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}
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qse_printf (QSE_T("RLENGTH => %.*s\n"), (int)len, str);
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qse_awk_rtx_freemem (rtx, str);
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ret = 0;
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oops:
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/* destroy a runtime context */
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if (rtx) qse_awk_rtx_close (rtx);
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/* destroy the processor */
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if (awk) qse_awk_close (awk);
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return ret;
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}
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int qse_main (int argc, qse_achar_t* argv[])
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{
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int x;
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qse_open_stdsios ();
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init_awk_sample_locale ();
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x = qse_run_main (argc, argv, awk_main);
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qse_close_stdsios ();
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return x;
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}
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