Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/gmp-source/demos/expr/expr-impl.h

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+/* Implementation specifics for expression evaluation.
+
+Copyright 2000-2002, 2004 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include <stdarg.h>
+
+#include "expr.h"
+
+
+#define isasciidigit(c)   (isascii (c) && isdigit (c))
+#define isasciicsym(c)    (isascii (c) && (isalnum(c) || (c) == '_'))
+
+#define isasciidigit_in_base(c,base)                    \
+  (isascii (c)                                          \
+   && ((isdigit (c) && (c)-'0' < (base))                \
+       || (isupper (c) && (c)-'A'+10 < (base))          \
+       || (islower (c) && (c)-'a'+10 < (base))))
+
+
+union mpX_t {
+  mpz_t   z;
+  mpq_t   q;
+  mpf_t   f;
+};
+
+typedef union mpX_t *mpX_ptr;
+typedef const union mpX_t *mpX_srcptr;
+
+typedef void (*mpexpr_fun_one_t) (mpX_ptr);
+typedef unsigned long (*mpexpr_fun_ui_one_t) (mpX_ptr);
+
+typedef void (*mpexpr_fun_0ary_t) (mpX_ptr);
+typedef int  (*mpexpr_fun_i_0ary_t) (void);
+
+typedef void (*mpexpr_fun_unary_t) (mpX_ptr, mpX_srcptr);
+typedef void (*mpexpr_fun_unary_ui_t) (mpX_ptr, unsigned long);
+typedef int  (*mpexpr_fun_i_unary_t) (mpX_srcptr);
+typedef int  (*mpexpr_fun_i_unary_ui_t) (unsigned long);
+
+typedef void (*mpexpr_fun_binary_t) (mpX_ptr, mpX_srcptr, mpX_srcptr);
+typedef void (*mpexpr_fun_binary_ui_t) (mpX_ptr, mpX_srcptr, unsigned long);
+typedef int  (*mpexpr_fun_i_binary_t) (mpX_srcptr, mpX_srcptr);
+typedef int  (*mpexpr_fun_i_binary_ui_t) (mpX_srcptr, unsigned long);
+
+typedef void (*mpexpr_fun_ternary_t) (mpX_ptr, mpX_srcptr, mpX_srcptr, mpX_srcptr);
+typedef void (*mpexpr_fun_ternary_ui_t) (mpX_ptr, mpX_srcptr, mpX_srcptr, unsigned long);
+typedef int (*mpexpr_fun_i_ternary_t) (mpX_srcptr, mpX_srcptr, mpX_srcptr);
+typedef int (*mpexpr_fun_i_ternary_ui_t) (mpX_srcptr, mpX_srcptr, unsigned long);
+
+typedef size_t (*mpexpr_fun_number_t) (mpX_ptr, const char *str, size_t len, int base);
+typedef void (*mpexpr_fun_swap_t) (mpX_ptr, mpX_ptr);
+typedef unsigned long (*mpexpr_fun_get_ui_t) (mpX_srcptr);
+typedef void (*mpexpr_fun_set_si_t) (mpX_srcptr, long);
+
+struct mpexpr_control_t {
+  const struct mpexpr_operator_t  *op;
+  int                             argcount;
+};
+
+#define MPEXPR_VARIABLES  26
+
+struct mpexpr_parse_t {
+  const struct mpexpr_operator_t  *table;
+
+  mpX_ptr                         res;
+  int                             base;
+  unsigned long                   prec;
+  const char                      *e;
+  size_t                          elen;
+  mpX_srcptr                      *var;
+  int                             error_code;
+
+  int                             token;
+  const struct mpexpr_operator_t  *token_op;
+
+  union mpX_t                     *data_stack;
+  int                             data_top;
+  int                             data_alloc;
+  int                             data_inited;
+
+  struct mpexpr_control_t         *control_stack;
+  int                             control_top;
+  int                             control_alloc;
+
+  mpexpr_fun_0ary_t               mpX_clear;
+  mpexpr_fun_i_unary_t            mpX_ulong_p;
+  mpexpr_fun_get_ui_t             mpX_get_ui;
+  mpexpr_fun_unary_ui_t           mpX_init;
+  mpexpr_fun_number_t             mpX_number;
+  mpexpr_fun_unary_t              mpX_set;
+  mpexpr_fun_unary_t              mpX_set_or_swap;
+  mpexpr_fun_set_si_t             mpX_set_si;
+  mpexpr_fun_swap_t               mpX_swap;
+};
+
+
+int mpexpr_evaluate (struct mpexpr_parse_t *p);
+int mpexpr_va_to_var (void *var[], va_list ap);
+size_t mpexpr_mpz_number (mpz_ptr res, const char *e, size_t elen, int base);