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33 results

DiamondDualConnectivityBuilder.cpp

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  • PugsParser.cpp 3.43 KiB
    #include <language/PugsParser.hpp>
    
    #include <language/PEGGrammar.hpp>
    #include <language/ast/ASTBuilder.hpp>
    #include <language/ast/ASTModulesImporter.hpp>
    #include <language/ast/ASTNode.hpp>
    #include <language/ast/ASTNodeDataTypeBuilder.hpp>
    #include <language/ast/ASTNodeDataTypeChecker.hpp>
    #include <language/ast/ASTNodeDeclarationToAffectationConverter.hpp>
    #include <language/ast/ASTNodeEmptyBlockCleaner.hpp>
    #include <language/ast/ASTNodeExpressionBuilder.hpp>
    #include <language/ast/ASTNodeJumpPlacementChecker.hpp>
    #include <language/ast/ASTNodeTypeCleaner.hpp>
    #include <language/ast/ASTSymbolInitializationChecker.hpp>
    #include <language/ast/ASTSymbolTableBuilder.hpp>
    #include <language/utils/ASTDotPrinter.hpp>
    #include <language/utils/ASTPrinter.hpp>
    #include <language/utils/SymbolTable.hpp>
    #include <utils/PugsAssert.hpp>
    #include <utils/PugsUtils.hpp>
    #include <utils/SignalManager.hpp>
    
    #include <pegtl/contrib/analyze.hpp>
    #include <pegtl/contrib/parse_tree.hpp>
    #include <pegtl/contrib/parse_tree_to_dot.hpp>
    
    #include <rang.hpp>
    
    #include <fstream>
    #include <iostream>
    #include <sstream>
    #include <unordered_map>
    #include <variant>
    
    void
    parser(const std::string& filename)
    {
      const size_t grammar_issues = analyze<language::grammar>();
    
      std::cout << rang::fgB::yellow << "grammar_issues=" << rang::fg::reset << grammar_issues << '\n';
    
      std::cout << rang::style::bold << "Parsing file " << rang::style::reset << rang::style::underline << filename
                << rang::style::reset << " ...\n";
    
      auto parse_and_execute = [](auto& input) {
        std::unique_ptr<ASTNode> root_node = ASTBuilder::build(input);
    
        ASTModulesImporter{*root_node};
        ASTNodeTypeCleaner<language::import_instruction>{*root_node};
    
        ASTSymbolTableBuilder{*root_node};
    
        ASTSymbolInitializationChecker{*root_node};
    
        ASTNodeDataTypeBuilder{*root_node};
    
        ASTNodeDataTypeChecker{*root_node};
    
        ASTNodeJumpPlacementChecker{*root_node};
    
        // optimizations
        ASTNodeDeclarationToAffectationConverter{*root_node};
    
        ASTNodeTypeCleaner<language::var_declaration>{*root_node};
        ASTNodeTypeCleaner<language::fct_declaration>{*root_node};
    
        {
          std::string dot_filename{"parse_tree.dot"};
          std::ofstream fout(dot_filename);
          ASTDotPrinter dot_printer{*root_node};
          fout << dot_printer;
          std::cout << "   AST dot file: " << dot_filename << '\n';
        }
    
        ASTNodeEmptyBlockCleaner{*root_node};
    
        ASTNodeExpressionBuilder{*root_node};
    
        std::cout << ASTPrinter{*root_node} << '\n';
    
        ExecutionPolicy exec_all;
        root_node->execute(exec_all);
        std::cout << *(root_node->m_symbol_table) << '\n';
    
        root_node->m_symbol_table->clearValues();
      };
    
      if (not SignalManager::pauseOnError()) {
        read_input input(filename);
        try {
          parse_and_execute(input);
        }
        catch (const parse_error& e) {
          const auto p = e.positions.front();
    
          std::cerr << rang::style::bold << p.source << ':' << p.line << ':' << p.byte_in_line << ": " << rang::style::reset
                    << rang::fgB::red << "error: " << rang::fg::reset << rang::style::bold << e.what() << rang::style::reset
                    << '\n'
                    << input.line_at(p) << '\n'
                    << std::string(p.byte_in_line, ' ') << rang::fgB::yellow << '^' << rang::fg::reset << '\n';
          finalize();
          std::exit(1);
        }
      } else {
        read_input input(filename);
        parse_and_execute(input);
      }
      std::cout << "Executed successfuly: " << filename << '\n';
    }