[C++20] Disambiguate std::integral concept and GiNaC::integral class.

[ginac.git] / ginsh / ginsh_parser.ypp

diff --git a/ginsh/ginsh_parser.ypp b/ginsh/ginsh_parser.ypp
index 2bdfc491b4c6b286a1003cc00db963e5b6db2a7e..e224fda93cafb5a240b298673799678f04ba6d15 100644 (file)
--- a/ginsh/ginsh_parser.ypp
+++ b/ginsh/ginsh_parser.ypp
@@ -4,7 +4,7 @@
  *  This file must be processed with yacc/bison. */
 
 /*
- *  GiNaC Copyright (C) 1999-2016 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2020 Johannes Gutenberg University Mainz, Germany
  *
  *  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
@@ -45,6 +45,9 @@
 
 #include "ginsh.h"
 
+using namespace std;
+using namespace GiNaC;
+
 #define YYERROR_VERBOSE 1
 
 #ifdef HAVE_LIBREADLINE
@@ -90,7 +93,7 @@ typedef ex (*fcnp)(const exprseq &e);
 typedef ex (*fcnp2)(const exprseq &e, int serial);
 
 struct fcn_desc {
-       fcn_desc() : p(NULL), num_params(0), is_ginac(false), serial(0) {}
+       fcn_desc() : p(nullptr), num_params(0), is_ginac(false), serial(0) {}
        fcn_desc(fcnp func, int num) : p(func), num_params(num), is_ginac(false), serial(0) {}
        fcn_desc(fcnp2 func, int num, int ser) : p((fcnp)func), num_params(num), is_ginac(true), serial(ser) {}
 
@@ -238,7 +241,7 @@ line        : ';'
 
 exp    : T_NUMBER              {$$ = $1;}
        | T_SYMBOL              {
-               exmap::const_iterator i = assigned_symbol_table.find($1);
+               auto i = assigned_symbol_table.find($1);
                if (i == assigned_symbol_table.end())
                        $$ = $1;
                else
@@ -251,7 +254,7 @@ exp : T_NUMBER              {$$ = $1;}
        | T_QUOTE2              {$$ = exstack[1];}
        | T_QUOTE3              {$$ = exstack[2];}
        | T_SYMBOL '(' exprseq ')' {
-               fcn_tab::const_iterator i = find_function($1, $3.nops());
+               auto i = find_function($1, $3.nops());
                if (i->second.is_ginac) {
                        $$ = ((fcnp2)(i->second.p))(ex_to<exprseq>($3), i->second.serial);
                } else {
@@ -439,7 +442,7 @@ static ex f_integer_content(const exprseq &e)
 static ex f_integral(const exprseq &e)
 {
        CHECK_ARG(0, symbol, integral);
-       return integral(e[0], e[1], e[2], e[3]);
+       return GiNaC::integral(e[0], e[1], e[2], e[3]);
 }
 
 static ex f_inverse(const exprseq &e)
@@ -647,7 +650,7 @@ static const fcn_init builtin_fcns[] = {
        {"transpose", f_transpose, 1},
        {"unassign", f_unassign, 1},
        {"unit", f_unit, 2},
-       {NULL, f_dummy, 0}           // End marker
+       {nullptr, f_dummy, 0}        // End marker
 };
 
 struct fcn_help_init {
@@ -685,7 +688,7 @@ static const fcn_help_init builtin_help[] = {
        {"H", "harmonic polylogarithm"},
        {"Order", "order term function (for truncated power series)"},
        {"Derivative", "inert differential operator"},
-       {NULL, NULL}    // End marker
+       {nullptr, nullptr}  // End marker
 };
 
 #include "ginsh_extensions.h"
@@ -840,7 +843,7 @@ static char *fcn_generator(const char *text, int state)
                if (strncmp(fcn_name, text, len) == 0)
                        return strdup(fcn_name);
        }
-       return NULL;
+       return nullptr;
 }
 
 #ifdef HAVE_LIBREADLINE
@@ -876,7 +879,7 @@ static void ginsh_readline_init(char* name)
 void greeting(void)
 {
     cout << "ginsh - GiNaC Interactive Shell (GiNaC V" << GINACLIB_VERSION << ")" << endl;
-    cout << "  __,  _______  Copyright (C) 1999-2016 Johannes Gutenberg University Mainz,\n"
+    cout << "  __,  _______  Copyright (C) 1999-2020 Johannes Gutenberg University Mainz,\n"
          << " (__) *       | Germany.  This is free software with ABSOLUTELY NO WARRANTY.\n"
          << "  ._) i N a C | You are welcome to redistribute it under certain conditions.\n"
          << "<-------------' For details type `warranty;'.\n" << endl;
@@ -923,7 +926,7 @@ int main(int argc, char **argv)
        file_list = argv + 1;
        if (num_files) {
                yyin = fopen(*file_list, "r");
-               if (yyin == NULL) {
+               if (yyin == nullptr) {
                        cerr << "Can't open " << *file_list << endl;
                        exit(1);
                }