X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Flexer%2Frange-parser.c;h=ae25b6313c246f28c4e3f4b65ebfca07efca7e43;hb=2bad4e1d02bd2d33de548ec8cf145999700a1aa4;hp=334987a3e611d41151ca9cb0bb1f3cf484a9d2e4;hpb=a19b858e0ac3c69e4a28c0ca6d8674427268a863;p=pspp diff --git a/src/language/lexer/range-parser.c b/src/language/lexer/range-parser.c index 334987a3e6..ae25b6313c 100644 --- a/src/language/lexer/range-parser.c +++ b/src/language/lexer/range-parser.c @@ -1,3 +1,22 @@ +/* PSPP - computes sample statistics. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + Written by Ben Pfaff . + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ + #include #include "range-parser.h" #include @@ -12,7 +31,7 @@ #define _(msgid) gettext (msgid) #define N_(msgid) msgid -static bool parse_number (double *, const struct fmt_spec *); +static bool parse_number (struct lexer *, double *, const struct fmt_spec *); /* Parses and stores a numeric value, or a range of the form "x THRU y". Open-ended ranges may be specified as "LO(WEST) THRU @@ -23,18 +42,18 @@ static bool parse_number (double *, const struct fmt_spec *); string values are also accepted, and converted to numeric values using the specified format. */ bool -parse_num_range (double *x, double *y, const struct fmt_spec *f) +parse_num_range (struct lexer *lexer, double *x, double *y, const struct fmt_spec *f) { - if (lex_match_id ("LO") || lex_match_id ("LOWEST")) + if (lex_match_id (lexer, "LO") || lex_match_id (lexer, "LOWEST")) *x = LOWEST; - else if (!parse_number (x, f)) + else if (!parse_number (lexer, x, f)) return false; - if (lex_match_id ("THRU")) + if (lex_match_id (lexer, "THRU")) { - if (lex_match_id ("HI") || lex_match_id ("HIGHEST")) + if (lex_match_id (lexer, "HI") || lex_match_id (lexer, "HIGHEST")) *y = HIGHEST; - else if (!parse_number (y, f)) + else if (!parse_number (lexer, y, f)) return false; if (*y < *x) @@ -71,31 +90,31 @@ parse_num_range (double *x, double *y, const struct fmt_spec *f) string values are also accepted, and converted to numeric values using the specified format. */ static bool -parse_number (double *x, const struct fmt_spec *f) +parse_number (struct lexer *lexer, double *x, const struct fmt_spec *f) { - if (lex_is_number ()) + if (lex_is_number (lexer)) { - *x = lex_number (); - lex_get (); + *x = lex_number (lexer); + lex_get (lexer); return true; } - else if (token == T_STRING && f != NULL) + else if (lex_token (lexer) == T_STRING && f != NULL) { struct data_in di; union value v; - di.s = ds_data (&tokstr); - di.e = ds_end (&tokstr); + di.s = ds_data (lex_tokstr (lexer)); + di.e = ds_end (lex_tokstr (lexer)); di.v = &v; di.flags = 0; di.f1 = 1; - di.f2 = ds_length (&tokstr); + di.f2 = ds_length (lex_tokstr (lexer)); di.format = *f; data_in (&di); - lex_get (); + lex_get (lexer); *x = v.f; if (*x == SYSMIS) { - lex_error (_("System-missing value is not valid here.")); + msg (SE, _("System-missing value is not valid here.")); return false; } return true; @@ -103,9 +122,9 @@ parse_number (double *x, const struct fmt_spec *f) else { if (f != NULL) - lex_error (_("expecting number or data string")); + lex_error (lexer, _("expecting number or data string")); else - lex_force_num (); + lex_force_num (lexer); return false; } }