128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
//
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// Fluid C++ Code Writer header for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2025 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#ifndef FLUID_IO_CODE_WRITER_H
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#define FLUID_IO_CODE_WRITER_H
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#include "proj/mergeback.h"
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#include <FL/fl_attr.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string>
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#include <set>
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#include <map>
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class Node;
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struct Fd_Identifier_Tree;
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struct Fd_Text_Tree;
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struct Fd_Pointer_Tree;
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int is_id(char c);
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namespace fld {
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class Project;
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namespace io {
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class Code_Writer
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{
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private:
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/// Link Code_Writer class to the project.
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Project &proj_;
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/// file pointer for the C++ code file
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FILE *code_file = nullptr;
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/// file pointer for the C++ header file
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FILE *header_file = nullptr;
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/// tree of unique but human-readable identifiers
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std::map<std::string, void*> unique_id_list { };
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/// searchable text tree for text that is only written once to the header file
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std::set<std::string> text_in_header { };
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/// searchable text tree for text that is only written once to the code file
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std::set<std::string> text_in_code { };
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/// searchable tree for pointers that are only written once to the code file
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std::set<void*> ptr_in_code { };
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/// crc32 for blocks of text written to the code file
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unsigned long block_crc_ = 0;
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/// if set, we are at the start of a line and can ignore leading spaces in crc
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bool block_line_start_ = true;
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/// expanding buffer for vsnprintf
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char *block_buffer_ = nullptr;
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/// size of expanding buffer for vsnprintf
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int block_buffer_size_ = 0;
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void crc_add(const void *data, int n=-1);
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int crc_printf(const char *format, ...);
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int crc_vprintf(const char *format, va_list args);
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int crc_puts(const char *text);
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int crc_putc(int c);
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public:
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/// current level of source code indentation
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int indentation = 0;
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/// set if we write abbreviated file for the source code previewer
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/// (disables binary data blocks, for example)
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bool write_codeview = false;
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/// silly thing to prevent declaring unused variables:
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/// When this symbol is on, all attempts to write code don't write
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/// anything, but set a variable if it looks like the variable "o" is used:
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int varused_test = 0;
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/// set to 1 if varused_test found that a variable is actually used
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int varused = 0;
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public:
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Code_Writer(Project &proj);
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~Code_Writer();
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const char* unique_id(void* o, const char*, const char*, const char*);
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/// Increment source code indentation level.
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void indent_more() { indentation++; }
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/// Decrement source code indentation level.
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void indent_less() { indentation--; }
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const char *indent();
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const char *indent(int set);
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const char *indent_plus(int offset);
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int write_h_once(const char *, ...) __fl_attr((__format__ (__printf__, 2, 3)));
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int write_c_once(const char *, ...) __fl_attr((__format__ (__printf__, 2, 3)));
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bool c_contains(void* ptr);
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void write_cstring(const char *,int length);
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void write_cstring(const char *);
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void write_cdata(const char *,int length);
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void vwrite_c(const char* format, va_list args);
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void write_c(const char*, ...) __fl_attr((__format__ (__printf__, 2, 3)));
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void write_cc(const char *, int, const char*, const char*);
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void write_h(const char*, ...) __fl_attr((__format__ (__printf__, 2, 3)));
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void write_hc(const char *, int, const char*, const char*);
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void write_c_indented(const char *textlines, int inIndent, char inTrailwWith);
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Node* write_static(Node* p);
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Node* write_code(Node* p);
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int write_code(const char *cfile, const char *hfile, bool to_codeview=false);
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void write_public(int state); // writes pubic:/private: as needed
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void tag(proj::Mergeback::Tag prev_type, proj::Mergeback::Tag next_type, unsigned short uid);
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static unsigned long block_crc(const void *data, int n=-1, unsigned long in_crc=0, bool *inout_line_start=nullptr);
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};
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} // namespace io
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} // namespace fld
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#endif // FLUID_IO_CODE_WRITER_H
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