99 lines
1.7 KiB
C
99 lines
1.7 KiB
C
/*
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* $Id: awk.c,v 1.15 2006-03-31 18:09:26 bacon Exp $
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*/
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#include <xp/awk/awk.h>
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#include <wchar.h>
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#include <stdio.h>
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#ifdef XP_CHAR_IS_MCHAR
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#define xp_printf printf
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#else
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#define xp_printf wprintf
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#endif
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static xp_ssize_t process_source (int cmd, void* arg, xp_char_t* data, xp_size_t size)
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{
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xp_char_t c;
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switch (cmd) {
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case XP_AWK_IO_OPEN:
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case XP_AWK_IO_CLOSE:
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return 0;
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case XP_AWK_IO_DATA:
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if (size <= 0) return -1;
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#ifdef XP_CHAR_IS_MCHAR
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c = fgetc (stdin);
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#else
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c = fgetwc (stdin);
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#endif
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if (c == XP_CHAR_EOF) return 0;
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*data = c;
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return 1;
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}
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return -1;
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}
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#ifdef __linux
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#include <mcheck.h>
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#endif
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#ifdef _WIN32
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int xp_main (int argc, xp_char_t* argv[])
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#else
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int xp_main (int argc, char* argv[])
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#endif
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{
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xp_awk_t* awk;
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#ifdef __linux
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mtrace ();
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#endif
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#if 0
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if (argc != 2) {
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xp_printf (XP_TEXT("Usage: %s file\n"), argv[0]);
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return -1;
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}
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#endif
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if ((awk = xp_awk_open()) == XP_NULL) {
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xp_printf (XP_TEXT("Error: cannot open awk\n"));
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return -1;
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}
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if (xp_awk_attsrc(awk, process_source, XP_NULL) == -1) {
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xp_awk_close (awk);
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xp_printf (XP_TEXT("error: cannot attach source\n"));
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return -1;
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}
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xp_awk_setparseopt (awk,
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XP_AWK_EXPLICIT | XP_AWK_UNIQUE |
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XP_AWK_SHADING | XP_AWK_IMPLICIT);
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if (xp_awk_parse(awk) == -1) {
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xp_printf (
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XP_TEXT("error: cannot parse program - [%d] %s\n"),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
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xp_awk_close (awk);
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return -1;
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}
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if (xp_awk_run(awk) == -1) {
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xp_printf (
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XP_TEXT("error: cannot run program - [%d] %s\n"),
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xp_awk_geterrnum(awk), xp_awk_geterrstr(awk));
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xp_awk_close (awk);
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}
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xp_awk_close (awk);
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#ifdef __linux
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muntrace ();
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#endif
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return 0;
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}
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