84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/* Dependency graph analysis.
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Copyright (C) 2025 Free Software Foundation, Inc.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "elna/boot/dependency.h"
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#include <fstream>
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#include <sstream>
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#include <string.h>
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#include "elna/boot/driver.h"
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#include "elna/boot/semantic.h"
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#include "parser.hh"
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namespace elna::boot
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{
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dependency::dependency(const char *path)
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: error_container(path)
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{
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}
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dependency read_sources(std::istream& entry_point, const char *entry_path)
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{
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driver parse_driver{ entry_path };
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lexer tokenizer(entry_point);
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yy::parser parser(tokenizer, parse_driver);
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dependency outcome{ entry_path };
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if (parser())
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{
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std::swap(outcome.errors(), parse_driver.errors());
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return outcome;
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}
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else
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{
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std::swap(outcome.tree, parse_driver.tree);
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}
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declaration_visitor declaration_visitor(entry_path);
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outcome.tree->accept(&declaration_visitor);
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if (!declaration_visitor.errors().empty())
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{
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std::swap(outcome.errors(), parse_driver.errors());
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}
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outcome.unresolved = declaration_visitor.unresolved;
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return outcome;
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}
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std::filesystem::path build_path(const std::vector<std::string>& segments)
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{
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std::filesystem::path result;
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std::vector<std::string>::const_iterator segment_iterator = std::cbegin(segments);
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if (segment_iterator == std::cend(segments))
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{
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return result;
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}
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result = *segment_iterator;
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++segment_iterator;
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for (; segment_iterator != std::cend(segments); ++segment_iterator)
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{
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result /= *segment_iterator;
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}
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result.replace_extension(".elna");
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return result;
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}
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}
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