59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
#pragma once
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#include <string>
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#include <fstream>
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#include <sstream>
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#include "definition.hpp"
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#include "location.hh"
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#include "parser.hpp"
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struct parse_driver;
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void scanner_init(parse_driver* d, yyscan_t* scanner);
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void scanner_destroy(yyscan_t* scanner);
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class file_mgr {
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private:
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std::ostringstream string_stream;
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std::string file_contents;
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size_t file_offset;
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std::vector<size_t> line_offsets;
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public:
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file_mgr();
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void write(const char* buffer, size_t len);
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void mark_line();
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void finalize();
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size_t get_index(int line, int column) const;
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size_t get_line_end(int line) const;
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void print_location(
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std::ostream& stream,
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const yy::location& loc,
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bool highlight = true) const;
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};
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class parse_driver {
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private:
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std::string file_name;
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yy::location location;
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definition_group* global_defs;
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file_mgr* file_m;
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public:
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parse_driver(
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file_mgr& mgr,
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definition_group& defs,
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const std::string& file)
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: file_name(file), file_m(&mgr), global_defs(&defs) {}
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bool operator()();
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yy::location& get_current_location();
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file_mgr& get_file_manager() const;
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definition_group& get_global_defs() const;
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};
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#define YY_DECL yy::parser::symbol_type yylex(yyscan_t yyscanner, parse_driver& drv)
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YY_DECL;
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