* Lexical analyzer definition for ginsh.
* This file must be processed with flex.
*
- * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2000 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
%{
#include "config.h"
-#include <stdio.h>
-extern "C" {
-#include <readline/readline.h>
-#include <readline/history.h>
-}
-#include <map>
-
-#include <ginac/ginac.h>
#include "ginsh.h"
-
#include "ginsh_parser.h"
#define YY_INPUT(buf, result, max_size) (result = ginsh_input(buf, max_size))
/* special values */
Pi yylval = Pi; return T_LITERAL;
-EulerGamma yylval = EulerGamma; return T_LITERAL;
+gamma yylval = gamma; return T_LITERAL;
Catalan yylval = Catalan; return T_LITERAL;
FAIL yylval = *new fail(); return T_LITERAL;
I yylval = I; return T_NUMBER;
/* keywords */
quit|exit return T_QUIT;
+warranty return T_WARRANTY;
print return T_PRINT;
+read return T_READ;
+write return T_WRITE;
time return T_TIME;
xyzzy return T_XYZZY;
inventory return T_INVENTORY;
{
int result;
if (yy_current_buffer->yy_is_interactive) {
- int actual;
-
+#ifdef HAVE_LIBREADLINE
// Do we need to read a new line?
+ int actual;
if (line_length == 0) {
// Free old line
line_length -= actual;
line_ptr += actual;
result = actual;
-
+#else
+ printf("> "); fflush(stdout);
+ int c = '*', n;
+ for (n = 0; n < max_size && (c = getc(yyin)) != EOF && c != '\n'; ++n)
+ buf[n] = (char)c;
+ if (c == '\n')
+ buf[n++] = (char)c;
+ if (c == EOF && ferror(yyin))
+ YY_FATAL_ERROR("input in flex scanner failed");
+ result = n;
+#endif
} else if (((result = fread(buf, 1, max_size, yyin)) == 0) && ferror(yyin))
YY_FATAL_ERROR("input in flex scanner failed");