fltk/fluid/code.h

113 lines
3.8 KiB
C++

//
// Code output routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2021 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#ifndef _FLUID_CODE_H
#define _FLUID_CODE_H
#include <FL/fl_attr.h>
#include "../src/Fl_String.H"
#include <stdarg.h>
#include <stdio.h>
class Fl_Type;
struct Fd_Identifier_Tree;
struct Fd_Text_Tree;
struct Fd_Pointer_Tree;
int is_id(char c);
int write_strings(const Fl_String &filename);
class Fd_Code_Writer
{
protected:
/// file pointer for the C++ code file
FILE *code_file;
/// file pointer for the C++ header file
FILE *header_file;
/// tree of unique but human-readable identifiers
Fd_Identifier_Tree* id_root;
/// searchable text tree for text that is only written once to the header file
Fd_Text_Tree *text_in_header;
/// searchable text tree for text that is only written once to the code file
Fd_Text_Tree *text_in_code;
/// searchable tree for pointers that are only written once to the code file
Fd_Pointer_Tree *ptr_in_code;
/// crc32 for blocks of text written to the code file
unsigned long block_crc_;
/// if set, we are at the start of a line and can ignore leading spaces in crc
bool block_line_start_;
/// expanding buffer for vsnprintf
char *block_buffer_;
/// size of expanding buffer for vsnprintf
int block_buffer_size_;
void crc_add(const void *data, int n=-1);
int crc_printf(const char *format, ...);
int crc_vprintf(const char *format, va_list args);
int crc_puts(const char *text);
int crc_putc(int c);
public:
/// current level of source code indentation
int indentation;
/// set if we write abbreviated file for the source code previewer
/// (disables binary data blocks, for example)
bool write_codeview;
/// silly thing to prevent declaring unused variables:
/// When this symbol is on, all attempts to write code don't write
/// anything, but set a variable if it looks like the variable "o" is used:
int varused_test;
/// set to 1 if varused_test found that a variable is actually used
int varused;
public:
Fd_Code_Writer();
~Fd_Code_Writer();
const char* unique_id(void* o, const char*, const char*, const char*);
/// Increment source code indentation level.
void indent_more() { indentation++; }
/// Decrement source code indentation level.
void indent_less() { indentation--; }
const char *indent();
const char *indent(int set);
const char *indent_plus(int offset);
int write_h_once(const char *, ...) __fl_attr((__format__ (__printf__, 2, 3)));
int write_c_once(const char *, ...) __fl_attr((__format__ (__printf__, 2, 3)));
bool c_contains(void* ptr);
void write_cstring(const char *,int length);
void write_cstring(const char *);
void write_cdata(const char *,int length);
void vwrite_c(const char* format, va_list args);
void write_c(const char*, ...) __fl_attr((__format__ (__printf__, 2, 3)));
void write_cc(const char *, int, const char*, const char*);
void write_h(const char*, ...) __fl_attr((__format__ (__printf__, 2, 3)));
void write_hc(const char *, int, const char*, const char*);
void write_c_indented(const char *textlines, int inIndent, char inTrailwWith);
Fl_Type* write_static(Fl_Type* p);
Fl_Type* write_code(Fl_Type* p);
int write_code(const char *cfile, const char *hfile, bool to_codeview=false);
void write_public(int state); // writes pubic:/private: as needed
void tag(int type, unsigned short uid);
static unsigned long block_crc(const void *data, int n=-1, unsigned long in_crc=0, bool *inout_line_start=NULL);
};
#endif // _FLUID_CODE_H