X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Flanguage%2Flexer%2Fvariable-parser.c;h=8b577578e721eb600b8c196f99185ecc3e954304;hb=23265697ad1bf77242d28c2ab7a5983a264f6aa4;hp=f444f15e2beb0c28ccc708af69463e64a3ebdd03;hpb=f5d1ac814687386b4cd6af9fa9e6f2f98913aa7d;p=pspp diff --git a/src/language/lexer/variable-parser.c b/src/language/lexer/variable-parser.c index f444f15e2b..8b577578e7 100644 --- a/src/language/lexer/variable-parser.c +++ b/src/language/lexer/variable-parser.c @@ -1128,63 +1128,9 @@ var_set_create_from_array (struct variable *const *var, size_t n_vars) bool lex_match_variable (struct lexer *lexer, const struct dictionary *dict, const struct variable **var) { - if (lex_token (lexer) != T_ID) + if (lex_token (lexer) != T_ID) return false; - *var = parse_variable_const (lexer, dict); - - if (*var == NULL) - return false; - return true; + *var = parse_variable_const (lexer, dict); + return *var != NULL; } - -/* An interaction is a variable followed by {*, BY} followed by an interaction */ -static bool -parse_internal_interaction (struct lexer *lexer, const struct dictionary *dict, struct interaction **iact, struct interaction **it) -{ - const struct variable *v = NULL; - assert (iact); - - switch (lex_next_token (lexer, 1)) - { - case T_ENDCMD: - case T_SLASH: - case T_COMMA: - case T_ID: - case T_BY: - case T_ASTERISK: - break; - default: - return false; - break; - } - - if (! lex_match_variable (lexer, dict, &v)) - { - if (it) - interaction_destroy (*it); - *iact = NULL; - return false; - } - - assert (v); - - if (*iact == NULL) - *iact = interaction_create (v); - else - interaction_add_variable (*iact, v); - - if (lex_match (lexer, T_ASTERISK) || lex_match (lexer, T_BY)) - { - return parse_internal_interaction (lexer, dict, iact, iact); - } - - return true; -} - -bool -parse_design_interaction (struct lexer *lexer, const struct dictionary *dict, struct interaction **iact) -{ - return parse_internal_interaction (lexer, dict, iact, NULL); -} -