* Fix incompatibilities with recent versions of libreadline by having

[ginac.git] / ginsh / ginsh_parser.yy

diff --git a/ginsh/ginsh_parser.yy b/ginsh/ginsh_parser.yy
index 1a4e7e0ad01736861afc3cfd74a84a5c0e3fce18..ee4e4360c161eb17db53a43e8289c4e37da97506 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_RLVERSION_MAJOR < 4) || (GINAC_RLVERSION_MAJOR == 4 && GINAC_RLVERSION_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);
@@ -295,15 +299,18 @@ static ex f_charpoly(const exprseq &e)
 
 static ex f_coeff(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, coeff);
        CHECK_ARG(2, numeric, coeff);
-       return e[0].coeff(ex_to_symbol(e[1]), ex_to_numeric(e[2]).to_int());
+       return e[0].coeff(e[1], ex_to_numeric(e[2]).to_int());
 }
 
 static ex f_collect(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, collect);
-       return e[0].collect(ex_to_symbol(e[1]));
+       return e[0].collect(e[1]);
+}
+
+static ex f_collect_distributed(const exprseq &e)
+{
+       return e[0].collect(e[1], true);
 }
 
 static ex f_content(const exprseq &e)
@@ -314,8 +321,7 @@ static ex f_content(const exprseq &e)
 
 static ex f_degree(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, degree);
-       return e[0].degree(ex_to_symbol(e[1]));
+       return e[0].degree(e[1]);
 }
 
 static ex f_determinant(const exprseq &e)
@@ -352,7 +358,7 @@ static ex f_divide(const exprseq &e)
        if (divide(e[0], e[1], q))
                return q;
        else
-               return *new fail();
+               return fail();
 }
 
 static ex f_eval2(const exprseq &e)
@@ -386,14 +392,12 @@ static ex f_is(const exprseq &e)
 
 static ex f_lcoeff(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, lcoeff);
-       return e[0].lcoeff(ex_to_symbol(e[1]));
+       return e[0].lcoeff(e[1]);
 }
 
 static ex f_ldegree(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, ldegree);
-       return e[0].ldegree(ex_to_symbol(e[1]));
+       return e[0].ldegree(e[1]);
 }
 
 static ex f_normal2(const exprseq &e)
@@ -461,8 +465,7 @@ static ex f_subs3(const exprseq &e)
 
 static ex f_tcoeff(const exprseq &e)
 {
-       CHECK_ARG(1, symbol, tcoeff);
-       return e[0].tcoeff(ex_to_symbol(e[1]));
+       return e[0].tcoeff(e[1]);
 }
 
 static ex f_trace(const exprseq &e)
@@ -505,6 +508,7 @@ static const fcn_init builtin_fcns[] = {
        {"charpoly", fcn_desc(f_charpoly, 2)},
        {"coeff", fcn_desc(f_coeff, 3)},
        {"collect", fcn_desc(f_collect, 2)},
+       {"collect_distributed", fcn_desc(f_collect_distributed, 2)},
        {"content", fcn_desc(f_content, 2)},
        {"degree", fcn_desc(f_degree, 2)},
        {"denom", fcn_desc(f_denom, 1)},
@@ -702,13 +706,21 @@ 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_RLVERSION_MAJOR < 4) || (GINAC_RLVERSION_MAJOR == 4 && GINAC_RLVERSION_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_RLVERSION_MAJOR < 4) || (GINAC_RLVERSION_MAJOR == 4 && GINAC_RLVERSION_MINOR < 2)
                return completion_matches(text, (CPFunction *)fcn_generator);
+#else
+               return rl_completion_matches(text, (CPFunction *)fcn_generator);
+#endif
        }
 }