added description of wildcards

[ginac.git] / ginsh / ginsh_parser.yy

diff --git a/ginsh/ginsh_parser.yy b/ginsh/ginsh_parser.yy
index b36e2ece3e0919779bc0f1e1ba0e79d6f223b644..48d839a0490edc334f3b10bbcd29a18ba08e9927 100644 (file)
--- a/ginsh/ginsh_parser.yy
+++ b/ginsh/ginsh_parser.yy
@@ -44,7 +44,11 @@
 
 // Original readline settings
 static int orig_completion_append_character;
+#if (GINAC_RL_VERSION_MAJOR < 4) || (GINAC_RL_VERSION_MAJOR == 4 && GINAC_RL_VERSION_MINOR < 2)
 static char *orig_basic_word_break_characters;
+#else
+static const char *orig_basic_word_break_characters;
+#endif
 
 // Expression stack for ", "" and """
 static void push(const ex &e);
@@ -396,6 +400,15 @@ static ex f_ldegree(const exprseq &e)
        return e[0].ldegree(e[1]);
 }
 
+static ex f_match(const exprseq &e)
+{
+       lst repl_lst;
+       if (e[0].match(e[1], repl_lst))
+               return repl_lst;
+       else
+               return fail();
+}
+
 static ex f_normal2(const exprseq &e)
 {
        CHECK_ARG(1, numeric, normal);
@@ -526,6 +539,7 @@ static const fcn_init builtin_fcns[] = {
        {"lcoeff", fcn_desc(f_lcoeff, 2)},
        {"ldegree", fcn_desc(f_ldegree, 2)},
        {"lsolve", fcn_desc(f_lsolve, 2)},
+       {"match", fcn_desc(f_match, 2)},
        {"nops", fcn_desc(f_nops, 1)},
        {"normal", fcn_desc(f_normal1, 1)},
        {"normal", fcn_desc(f_normal2, 2)},
@@ -702,13 +716,21 @@ static char **fcn_completion(char *text, int start, int end)
                rl_completion_append_character = orig_completion_append_character;
                rl_basic_word_break_characters = orig_basic_word_break_characters;
                rl_completer_word_break_characters = rl_basic_word_break_characters;
+#if (GINAC_RL_VERSION_MAJOR < 4) || (GINAC_RL_VERSION_MAJOR == 4 && GINAC_RL_VERSION_MINOR < 2)
                return completion_matches(text, (CPFunction *)filename_completion_function);
+#else
+               return rl_completion_matches(text, (CPFunction *)rl_filename_completion_function);
+#endif
        } else {
                // Otherwise, complete function names
                rl_completion_append_character = '(';
                rl_basic_word_break_characters = " \t\n\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~";
                rl_completer_word_break_characters = rl_basic_word_break_characters;
+#if (GINAC_RL_VERSION_MAJOR < 4) || (GINAC_RL_VERSION_MAJOR == 4 && GINAC_RL_VERSION_MINOR < 2)
                return completion_matches(text, (CPFunction *)fcn_generator);
+#else
+               return rl_completion_matches(text, (CPFunction *)fcn_generator);
+#endif
        }
 }