540 lines
13 KiB
C++
540 lines
13 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 25.02.2016
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*
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* File editing view for 4coder
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*
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*/
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// TOP
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#define FCPP_STRING_IMPLEMENTATION
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#include "4coder_string.h"
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struct Struct_Field{
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char *type;
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char *name;
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};
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void to_lower(char *src, char *dst){
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char *c, ch;
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for (c = src; *c != 0; ++c){
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ch = char_to_lower(*c);
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*dst++ = ch;
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}
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*dst = 0;
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}
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void to_upper(char *src, char *dst){
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char *c, ch;
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for (c = src; *c != 0; ++c){
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ch = char_to_upper(*c);
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*dst++ = ch;
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}
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*dst = 0;
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}
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void to_camel(char *src, char *dst){
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char *c, ch;
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int is_first = 1;
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for (c = src; *c != 0; ++c){
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ch = *c;
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if (char_is_alpha_numeric_true(ch)){
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if (is_first){
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is_first = 0;
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ch = char_to_upper(ch);
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}
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else{
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ch = char_to_lower(ch);
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}
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}
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else{
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is_first = 1;
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}
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*dst++ = ch;
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}
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*dst = 0;
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}
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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void struct_begin(FILE *file, char *name){
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fprintf(file, "struct %s{\n", name);
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}
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void struct_fields(FILE *file, Struct_Field *fields, int count){
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int i;
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for (i = 0; i < count; ++i){
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fprintf(file, " %s %s;\n", fields[i].type, fields[i].name);
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}
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}
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void struct_end(FILE *file){
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fprintf(file, "};\n\n");
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}
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void enum_begin(FILE *file, char *name){
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fprintf(file, "enum %s{\n", name);
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}
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char *keys_that_need_codes[] = {
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"back",
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"up",
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"down",
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"left",
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"right",
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"del",
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"insert",
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"home",
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"end",
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"page_up",
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"page_down",
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"esc",
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"mouse_left",
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"mouse_right",
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"f1",
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"f2",
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"f3",
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"f4",
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"f5",
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"f6",
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"f7",
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"f8",
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"f9",
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"f10",
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"f11",
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"f12",
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"f13",
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"f14",
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"f15",
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"f16",
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};
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char* generate_keycode_enum(){
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FILE *file;
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char *filename = "4coder_keycodes.h";
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int i, count;
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unsigned char code = 1;
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file = fopen(filename, "wb");
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fprintf(file, "enum Key_Code{\n");
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count = ArrayCount(keys_that_need_codes);
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for (i = 0; i < count; i){
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if (strcmp(keys_that_need_codes[i], "f1") == 0 && code < 0x7F){
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code = 0x7F;
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}
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switch (code){
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case '\n': code++; break;
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case '\t': code++; break;
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case 0x20: code = 0x7F; break;
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default:
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fprintf(file, "key_%s = %d,\n", keys_that_need_codes[i++], code++);
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break;
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}
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}
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fprintf(file, "};\n");
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fprintf(file,
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"static char*\n"
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"global_key_name(int key_code, int *size){\n"
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"char *result = 0;\n"
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"switch(key_code){\n"
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);
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for (i = 0; i < count; ++i){
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fprintf(file,
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"case key_%s: result = \"%s\"; *size = sizeof(\"%s\")-1; break;\n",
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keys_that_need_codes[i],
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keys_that_need_codes[i],
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keys_that_need_codes[i]
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);
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}
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fprintf(file,
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"}\n"
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"return(result);\n"
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"}\n"
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);
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fclose(file);
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return(filename);
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////
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char* bar_style_fields[] = {
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"bar",
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"bar_active",
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"base",
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"pop1",
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"pop2",
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};
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char* main_style_fields[] = {
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"back",
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"margin",
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"margin_hover",
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"margin_active",
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"cursor",
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"at_cursor",
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"highlight",
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"at_highlight",
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"mark",
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"default",
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"comment",
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"keyword",
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"str_constant",
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"char_constant",
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"int_constant",
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"float_constant",
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"bool_constant",
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"preproc",
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"include",
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"special_character",
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"highlight_junk",
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"highlight_white",
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"paste",
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"undo",
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"next_undo",
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};
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static char*
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make_style_tag(char *tag){
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char *str;
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int len;
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len = (int)strlen(tag);
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str = (char*)malloc(len + 1);
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to_camel(tag, str);
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str[len] = 0;
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return(str);
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}
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char style_index_function_start[] =
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"inline u32*\n"
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"style_index_by_tag(Style_Main_Data *s, u32 tag){\n"
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" u32 *result = 0;\n"
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" switch (tag){\n";
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char style_index_function_end[] =
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" }\n"
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" return(result);\n"
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"}\n\n";
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char style_case[] = " case Stag_%s: result = &s->%s_color; break;\n";
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char style_info_case[] = " case Stag_%s: result = &s->file_info_style.%s_color; break;\n";
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char* generate_style(){
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char *filename = "4coder_style.h & 4ed_style.h";
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char filename_4coder[] = "4coder_style.h";
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char filename_4ed[] = "4ed_style.h";
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FILE *file;
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char *tag;
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int count, i;
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file = fopen(filename_4coder, "wb");
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enum_begin(file, "Style_Tag");
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{
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count = ArrayCount(bar_style_fields);
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for (i = 0; i < count; ++i){
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tag = make_style_tag(bar_style_fields[i]);
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fprintf(file, "Stag_%s,\n", tag);
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free(tag);
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}
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count = ArrayCount(main_style_fields);
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for (i = 0; i < count; ++i){
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tag = make_style_tag(main_style_fields[i]);
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fprintf(file, "Stag_%s,\n", tag);
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free(tag);
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}
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}
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struct_end(file);
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fclose(file);
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file = fopen(filename_4ed, "wb");
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struct_begin(file, "Interactive_Style");
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{
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count = ArrayCount(bar_style_fields);
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for (i = 0; i < count; ++i){
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fprintf(file, "u32 %s_color;\n", bar_style_fields[i]);
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}
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}
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struct_end(file);
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struct_begin(file, "Style_Main_Data");
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{
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count = ArrayCount(main_style_fields);
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for (i = 0; i < count; ++i){
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fprintf(file, "u32 %s_color;\n", main_style_fields[i]);
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}
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fprintf(file, "Interactive_Style file_info_style;\n");
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}
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struct_end(file);
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{
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fprintf(file, "%s", style_index_function_start);
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count = ArrayCount(bar_style_fields);
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for (i = 0; i < count; ++i){
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tag = make_style_tag(bar_style_fields[i]);
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fprintf(file, style_info_case, tag, bar_style_fields[i]);
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free(tag);
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}
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count = ArrayCount(main_style_fields);
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for (i = 0; i < count; ++i){
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tag = make_style_tag(main_style_fields[i]);
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fprintf(file, style_case, tag, main_style_fields[i]);
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free(tag);
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}
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fprintf(file, "%s", style_index_function_end);
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}
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fclose(file);
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return(filename);
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////
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struct Function_Signature{
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String name;
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String ret;
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String args;
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int valid;
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};
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String
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file_dump(char *filename){
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String result = {0};
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FILE *file = fopen(filename, "rb");
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if (file){
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fseek(file, 0, SEEK_END);
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result.size = ftell(file);
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fseek(file, 0, SEEK_SET);
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result.memory_size = result.size + 1;
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result.str = (char*)malloc(result.memory_size);
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fread(result.str, 1, result.size, file);
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result.str[result.size] = 0;
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fclose(file);
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}
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return(result);
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}
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String
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get_first_line(String source){
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String line = {0};
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int pos = find(source, 0, '\n');
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line = substr(source, 0, pos);
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return(line);
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}
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String
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get_next_line(String source, String line){
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String next = {0};
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int pos = (int)(line.str - source.str) + line.size;
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int start = 0;
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if (pos < source.size){
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assert(source.str[pos] == '\n');
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start = pos + 1;
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if (start < source.size){
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pos = find(source, start, '\n');
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next = substr(source, start, pos - start);
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}
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}
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return(next);
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}
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String
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skip_whitespace(String str){
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String result = {0};
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int i = 0;
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for (; i < str.size && char_is_whitespace(str.str[i]); ++i);
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result = substr(str, i, str.size - i);
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return(result);
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}
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int
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is_comment(String str){
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int result = 0;
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if (str.size >= 2){
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if (str.str[0] == '/' &&
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str.str[1] == '/'){
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result = 1;
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}
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}
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return(result);
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}
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char*
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generate_custom_headers(){
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char *filename = "4coder_custom_api.h";
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String data = file_dump("custom_api_spec.txt");
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int line_count = 0;
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String line = {0};
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for (line = get_first_line(data);
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line.str;
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line = get_next_line(data, line)){
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++line_count;
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}
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Function_Signature *sigs =
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(Function_Signature*)malloc(sizeof(Function_Signature)*line_count);
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int max_name_size = 0;
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int sig_count = 0;
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line_count = 0;
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for (line = get_first_line(data);
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line.str;
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line = get_next_line(data, line)){
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++line_count;
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String parse = line;
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parse = skip_whitespace(parse);
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if (parse.size > 0){
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if (!is_comment(parse)){
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Function_Signature *sig = sigs + sig_count;
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memset(sig, 0, sizeof(Function_Signature));
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++sig_count;
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int pos = find(parse, 0, ' ');
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sig->ret = substr(parse, 0, pos);
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parse = substr(parse, pos);
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parse = skip_whitespace(parse);
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if (parse.size > 0){
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pos = find(parse, 0, '(');
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sig->name = substr(parse, 0, pos);
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parse = substr(parse, pos);
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if (parse.size > 0){
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sig->args = parse;
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sig->valid = 1;
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if (max_name_size < sig->name.size){
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max_name_size = sig->name.size;
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}
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}
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}
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if (!sig->valid){
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printf("custom_api_spec.txt(%d) : generator warning : invalid function signature\n",
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line_count);
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}
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}
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}
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}
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FILE *file = fopen("4coder_custom_api.h", "wb");
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int buffer_size = max_name_size + 1;
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char *name_buffer = (char*)malloc(buffer_size);
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for (int i = 0; i < sig_count; ++i){
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Function_Signature *sig = sigs + i;
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copy_fast_unsafe(name_buffer, sig->name);
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name_buffer[sig->name.size] = 0;
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to_upper(name_buffer, name_buffer);
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fprintf(file, "#define %s_SIG(n) %.*s n%.*s\n",
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name_buffer,
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sig->ret.size, sig->ret.str,
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sig->args.size, sig->args.str
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);
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}
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fprintf(file, "extern \"C\"{\n");
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for (int i = 0; i < sig_count; ++i){
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Function_Signature *sig = sigs + i;
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copy_fast_unsafe(name_buffer, sig->name);
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name_buffer[sig->name.size] = 0;
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to_upper(name_buffer, name_buffer);
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fprintf(file, " typedef %s_SIG(%.*s_Function);\n",
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name_buffer,
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sig->name.size, sig->name.str);
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}
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fprintf(file, "}\n");
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fprintf(file, "struct Application_Links{\n");
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fprintf(file,
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" void *memory;\n"
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" int memory_size;\n"
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);
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for (int i = 0; i < sig_count; ++i){
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Function_Signature *sig = sigs + i;
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copy_fast_unsafe(name_buffer, sig->name);
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name_buffer[sig->name.size] = 0;
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to_lower(name_buffer, name_buffer);
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fprintf(file, " %.*s_Function *%s;\n",
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sig->name.size, sig->name.str,
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name_buffer);
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}
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fprintf(file,
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" void *cmd_context;\n"
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" void *system_links;\n"
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" void *current_coroutine;\n"
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" int type_coroutine;\n"
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);
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fprintf(file, "};\n");
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fprintf(file,
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"#define FillAppLinksAPI(app_links) do{");
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for (int i = 0; i < sig_count; ++i){
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Function_Signature *sig = sigs + i;
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copy_fast_unsafe(name_buffer, sig->name);
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name_buffer[sig->name.size] = 0;
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to_lower(name_buffer, name_buffer);
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fprintf(file,
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"\\\n"
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"app_links->%s = external_%s;",
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name_buffer, name_buffer
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);
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}
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fprintf(file," } while(false)\n");
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fclose(file);
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return(filename);
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}
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int main(){
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char *filename;
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filename = generate_keycode_enum();
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printf("gen success: %s\n", filename);
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filename = generate_style();
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printf("gen success: %s\n", filename);
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filename = generate_custom_headers();
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printf("gen success: %s\n", filename);
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}
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// BOTTOM
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