gcc/gcc/rust/ast/rust-ast-formatting.cc

107 lines
2.4 KiB
C++

/* General AST-related method implementations for Rust frontend.
Copyright (C) 2009-2024 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC 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 a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "rust-ast-full.h"
namespace Rust {
namespace AST {
std::string
indent_spaces (enum indent_mode mode)
{
static int indent = 0;
std::string str = "";
if (out == mode)
indent--;
for (int i = 0; i < indent; i++)
str += " ";
if (enter == mode)
indent++;
return str;
}
std::string
get_string_in_delims (std::string str_input, DelimType delim_type)
{
switch (delim_type)
{
case PARENS:
return "(" + str_input + ")";
case SQUARE:
return "[" + str_input + "]";
case CURLY:
return "{" + str_input + "}";
default:
return "ERROR-MARK-STRING (delims)";
}
rust_unreachable ();
}
std::string
get_mode_dump_desc (AttrMode mode)
{
switch (mode)
{
case OUTER:
return "outer attributes";
case INNER:
return "inner attributes";
default:
rust_unreachable ();
return "";
}
}
std::string
append_attributes (std::vector<Attribute> attrs, AttrMode mode)
{
indent_spaces (enter);
std::string str
= "\n" + indent_spaces (stay) + get_mode_dump_desc (mode) + ": ";
// str += "\n" + indent_spaces (stay) + "inner attributes: ";
if (attrs.empty ())
{
str += "none";
}
else
{
/* note that this does not print them with outer or "inner attribute"
* syntax - just prints the body */
for (const auto &attr : attrs)
str += "\n" + indent_spaces (stay) + attr.as_string ();
}
indent_spaces (out);
return str;
}
std::string
unquote_string (std::string input)
{
rust_assert (input.front () == '"');
rust_assert (input.back () == '"');
return input.substr (1, input.length () - 2);
}
} // namespace AST
} // namespace Rust