4coder/meta/4ed_metagen.cpp

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/*
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* Mr. 4th Dimention - Allen Webster
*
* 25.02.2016
*
* File editing view for 4coder
*
*/
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// TOP
#define KEYCODES_FILE "4coder_API/keycodes.h"
#define STYLE_FILE "4coder_API/style.h"
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#define API_H "4coder_API/app_functions.h"
#define OS_API_H "4ed_os_custom_api.h"
#include "4tech_meta_defines.h"
#include "../4coder_API/version.h"
#define FSTRING_IMPLEMENTATION
#include "../4coder_lib/4coder_string.h"
#include "../4coder_lib/4coder_mem.h"
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#include "../4cpp/4cpp_lexer.h"
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "meta_parser.cpp"
#include "out_context.cpp"
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//////////////////////////////////////////////////////////////////////////////////////////////////
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char *keys_that_need_codes[] = {
"back",
"up",
"down",
"left",
"right",
"del",
"insert",
"home",
"end",
"page_up",
"page_down",
"esc",
"mouse_left",
"mouse_right",
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"mouse_left_release",
"mouse_right_release",
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"f1",
"f2",
"f3",
"f4",
"f5",
"f6",
"f7",
"f8",
"f9",
"f10",
"f11",
"f12",
"f13",
"f14",
"f15",
"f16",
};
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void
generate_keycode_enum(){
char *filename_keycodes = KEYCODES_FILE;
Out_Context context = {0};
int32_t i = 0, count = 0;
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unsigned char code = 1;
String out = make_out_string(10 << 20);
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if (begin_file_out(&context, filename_keycodes, &out)){
count = ArrayCount(keys_that_need_codes);
append_sc(&out, "enum{\n");
for (i = 0; i < count; i){
if (strcmp(keys_that_need_codes[i], "f1") == 0 && code < 0x7F){
code = 0x7F;
}
switch (code){
case '\n': code++; break;
case '\t': code++; break;
case 0x20: code = 0x7F; break;
default:
append_sc(&out, "key_");
append_sc(&out, keys_that_need_codes[i++]);
append_sc(&out, " = ");
append_int_to_str(&out, code++);
append_sc(&out, ",\n");
break;
}
}
append_sc(&out, "};\n");
append_sc(&out,
"static char*\n"
"global_key_name(int32_t key_code, int32_t *size){\n"
"char *result = 0;\n"
"switch(key_code){\n");
for (i = 0; i < count; ++i){
append_sc(&out, "case key_");
append_sc(&out, keys_that_need_codes[i]);
append_sc(&out, ": result = \"");
append_sc(&out, keys_that_need_codes[i]);
append_sc(&out, "\"; *size = sizeof(\"");
append_sc(&out, keys_that_need_codes[i]);
append_sc(&out, "\")-1; break;\n");
}
append_sc(&out,
"}\n"
"return(result);\n"
"}\n");
end_file_out(context);
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////
static void
struct_begin(String *str, char *name){
append_sc(str, "struct ");
append_sc(str, name);
append_sc(str, "{\n"); //}
}
static void
enum_begin(String *str, char *name){
append_sc(str, "enum ");
append_sc(str, name);
append_sc(str, "{\n"); //}
}
static void
struct_end(String *str){ //{
append_sc(str, "};\n\n");
}
static char* bar_style_fields[] = {
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"bar",
"bar_active",
"base",
"pop1",
"pop2",
};
static char* main_style_fields[] = {
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"back",
"margin",
"margin_hover",
"margin_active",
"cursor",
"at_cursor",
"highlight",
"at_highlight",
"mark",
"default",
"comment",
"keyword",
"str_constant",
"char_constant",
"int_constant",
"float_constant",
"bool_constant",
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"preproc",
"include",
"special_character",
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"ghost_character",
"highlight_junk",
"highlight_white",
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"paste",
"undo",
"next_undo",
};
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static char*
make_style_tag(char *tag){
char *str;
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int32_t len;
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len = (int32_t)strlen(tag);
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str = (char*)malloc(len + 1);
to_camel_cc(tag, str);
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str[len] = 0;
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return(str);
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}
static void
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generate_style(){
char filename_4coder[] = STYLE_FILE;
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char filename_4ed[] = "4ed_style.h";
char *tag = 0;
int32_t count = 0, i = 0;
String out = make_out_string(10 << 20);
Out_Context context = {0};
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if (begin_file_out(&context, filename_4coder, &out)){
enum_begin(&out, "Style_Tag");
{
count = ArrayCount(bar_style_fields);
for (i = 0; i < count; ++i){
tag = make_style_tag(bar_style_fields[i]);
append_sc(&out, "Stag_");
append_sc(&out, tag);
append_sc(&out, ",\n");
free(tag);
}
count = ArrayCount(main_style_fields);
for (i = 0; i < count; ++i){
tag = make_style_tag(main_style_fields[i]);
append_sc(&out, "Stag_");
append_sc(&out, tag);
append_sc(&out, ",\n");
free(tag);
}
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}
struct_end(&out);
end_file_out(context);
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}
if (begin_file_out(&context, filename_4ed, &out)){
struct_begin(&out, "Interactive_Style");
{
count = ArrayCount(bar_style_fields);
for (i = 0; i < count; ++i){
append_sc(&out, "u32 ");
append_sc(&out, bar_style_fields[i]);
append_sc(&out, "_color;\n");
}
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}
struct_end(&out);
struct_begin(&out, "Style_Main_Data");
{
count = ArrayCount(main_style_fields);
for (i = 0; i < count; ++i){
append_sc(&out, "u32 ");
append_sc(&out, main_style_fields[i]);
append_sc(&out, "_color;\n");
}
append_sc(&out, "Interactive_Style file_info_style;\n");
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}
struct_end(&out);
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{
append_sc(&out,
"inline u32*\n"
"style_index_by_tag(Style_Main_Data *s, u32 tag){\n"
"u32 *result = 0;\n"
"switch (tag){\n");
count = ArrayCount(bar_style_fields);
for (i = 0; i < count; ++i){
tag = make_style_tag(bar_style_fields[i]);
append_sc(&out, "case Stag_");
append_sc(&out, tag);
append_sc(&out, ": result = &s->file_info_style.");
append_sc(&out, bar_style_fields[i]);
append_sc(&out, "_color; break;\n");
free(tag);
}
count = ArrayCount(main_style_fields);
for (i = 0; i < count; ++i){
tag = make_style_tag(main_style_fields[i]);
append_sc(&out, "case Stag_");
append_sc(&out, tag);
append_sc(&out, ": result = &s->");
append_sc(&out, main_style_fields[i]);
append_sc(&out, "_color; break;\n");
free(tag);
}
append_sc(&out,
"}\n"
"return(result);\n"
"}\n\n");
}
end_file_out(context);
}
free(out.str);
}
//////////////////////////////////////////////////////////////////////////////////////////////////
//
// Meta Parse Rules
//
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static void
print_function_body_code(String *out, Parse_Context *context, int32_t start){
String pstr = {0}, lexeme = {0};
Cpp_Token *token = 0;
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int32_t do_print = 0;
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int32_t nest_level = 0;
int32_t finish = false;
int32_t do_whitespace_print = false;
int32_t is_first = true;
for (; (token = get_token(context)) != 0; get_next_token(context)){
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if (do_whitespace_print){
pstr = str_start_end(context->data, start, token->start);
append_ss(out, pstr);
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}
else{
do_whitespace_print = true;
}
do_print = true;
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if (token->type == CPP_TOKEN_COMMENT){
lexeme = get_lexeme(*token, context->data);
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if (check_and_fix_docs(&lexeme)){
do_print = false;
}
}
else if (token->type == CPP_TOKEN_BRACE_OPEN){
++nest_level;
}
else if (token->type == CPP_TOKEN_BRACE_CLOSE){
--nest_level;
if (nest_level == 0){
finish = true;
}
}
if (is_first){
do_print = false;
is_first = false;
}
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if (do_print){
pstr = get_lexeme(*token, context->data);
append_ss(out, pstr);
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}
start = token->start + token->size;
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if (finish){
break;
}
}
}
typedef struct App_API_Name{
String macro;
String public_name;
} App_API_Name;
typedef struct App_API{
App_API_Name *names;
} App_API;
static App_API
allocate_app_api(Partition *part, int32_t count){
App_API app_api = {0};
app_api.names = push_array(part, App_API_Name, count);
memset(app_api.names, 0, sizeof(App_API_Name)*count);
return(app_api);
}
static void
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generate_custom_headers(){
META_BEGIN();
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int32_t size = (512 << 20);
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void *mem = malloc(size);
memset(mem, 0, size);
Partition part_ = make_part(mem, size);
Partition *part = &part_;
static Meta_Keywords meta_keywords[] = {
{make_lit_string("API_EXPORT") , Item_Function } ,
{make_lit_string("API_EXPORT_INLINE") , Item_Function } ,
{make_lit_string("API_EXPORT_MACRO") , Item_Macro } ,
{make_lit_string("CPP_NAME") , Item_CppName } ,
{make_lit_string("TYPEDEF") , Item_Typedef } ,
{make_lit_string("STRUCT") , Item_Struct } ,
{make_lit_string("UNION") , Item_Union } ,
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{make_lit_string("ENUM") , Item_Enum } ,
};
#define ExpandArray(a) (a), (ArrayCount(a))
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// NOTE(allen): Parse the customization API files
static char *functions_files[] = { "4ed_api_implementation.cpp", 0 };
Meta_Unit unit_custom = compile_meta_unit(part, ".", functions_files, ExpandArray(meta_keywords));
if (unit_custom.parse == 0){
Assert(!"Missing one or more input files!");
}
// NOTE(allen): Compute and store variations of the function names
App_API func_4ed_names = allocate_app_api(part, unit_custom.set.count);
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for (int32_t i = 0; i < unit_custom.set.count; ++i){
String name_string = unit_custom.set.items[i].name;
String *macro = &func_4ed_names.names[i].macro;
String *public_name = &func_4ed_names.names[i].public_name;
*macro = str_alloc(part, name_string.size+4);
to_upper_ss(macro, name_string);
append_ss(macro, make_lit_string("_SIG"));
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*public_name = str_alloc(part, name_string.size);
to_lower_ss(public_name, name_string);
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partition_align(part, 4);
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}
// NOTE(allen): Output
String out = str_alloc(part, 10 << 20);
Out_Context context = {0};
// NOTE(allen): Custom API headers
if (begin_file_out(&context, OS_API_H, &out)){
int32_t main_api_count = unit_custom.parse[0].item_count;
int32_t os_api_count = unit_custom.parse[1].item_count;
append_sc(&out, "struct Application_Links;\n");
for (int32_t i = main_api_count; i < os_api_count; ++i){
append_sc(&out, "#define ");
append_ss(&out, func_4ed_names.names[i].macro);
append_sc(&out, "(n) ");
append_ss(&out, unit_custom.set.items[i].ret);
append_sc(&out, " n");
append_ss(&out, unit_custom.set.items[i].args);
append_s_char(&out, '\n');
}
for (int32_t i = main_api_count; i < os_api_count; ++i){
append_sc(&out, "typedef ");
append_ss(&out, func_4ed_names.names[i].macro);
append_s_char(&out, '(');
append_ss(&out, unit_custom.set.items[i].name);
append_sc(&out, "_Function);\n");
}
end_file_out(context);
}
else{
// TODO(allen): warning
}
if (begin_file_out(&context, API_H, &out)){
append_sc(&out, "struct Application_Links;\n");
for (int32_t i = 0; i < unit_custom.set.count; ++i){
append_sc(&out, "#define ");
append_ss(&out, func_4ed_names.names[i].macro);
append_sc(&out, "(n) ");
append_ss(&out, unit_custom.set.items[i].ret);
append_sc(&out, " n");
append_ss(&out, unit_custom.set.items[i].args);
append_s_char(&out, '\n');
}
for (int32_t i = 0; i < unit_custom.set.count; ++i){
append_sc(&out, "typedef ");
append_ss(&out, func_4ed_names.names[i].macro);
append_s_char(&out, '(');
append_ss(&out, unit_custom.set.items[i].name);
append_sc(&out, "_Function);\n");
}
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append_sc(&out, "struct Application_Links{\n");
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append_sc(&out, "#if defined(ALLOW_DEP_4CODER)\n");
for (int32_t i = 0; i < unit_custom.set.count; ++i){
append_ss(&out, unit_custom.set.items[i].name);
append_sc(&out, "_Function *");
append_ss(&out, func_4ed_names.names[i].public_name);
append_sc(&out, ";\n");
}
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append_sc(&out, "#else\n");
for (int32_t i = 0; i < unit_custom.set.count; ++i){
append_ss(&out, unit_custom.set.items[i].name);
append_sc(&out, "_Function *");
append_ss(&out, func_4ed_names.names[i].public_name);
append_sc(&out, "_;\n");
}
append_sc(&out, "#endif\n");
append_sc(&out,
"void *memory;\n"
"int32_t memory_size;\n"
"void *cmd_context;\n"
"void *system_links;\n"
"void *current_coroutine;\n"
"int32_t type_coroutine;\n"
"};\n");
append_sc(&out, "#define FillAppLinksAPI(app_links) do{");
for (int32_t i = 0; i < unit_custom.set.count; ++i){
append_sc(&out, "\\\napp_links->");
append_ss(&out, func_4ed_names.names[i].public_name);
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append_sc(&out, "_ = ");
append_ss(&out, unit_custom.set.items[i].name);
append_s_char(&out, ';');
}
append_sc(&out, "} while(false)\n");
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append_sc(&out, "#if defined(ALLOW_DEP_4CODER)\n");
for (int32_t use_dep = 1; use_dep >= 0; --use_dep){
for (int32_t i = 0; i < unit_custom.set.count; ++i){
Argument_Breakdown breakdown = unit_custom.set.items[i].breakdown;
String ret = unit_custom.set.items[i].ret;
String public_name = func_4ed_names.names[i].public_name;
append_sc(&out, "static inline ");
append_ss(&out, ret);
append_sc(&out, " ");
append_ss(&out, public_name);
append_sc(&out, "(");
for (int32_t j = 0; j < breakdown.count; ++j){
append_ss(&out, breakdown.args[j].param_string);
if (j+1 != breakdown.count){
append_sc(&out, ", ");
}
}
append_sc(&out, "){");
if (match_ss(ret, make_lit_string("void"))){
append_sc(&out, "(");
}
else{
append_sc(&out, "return(");
}
append_sc(&out, "app->");
append_ss(&out, public_name);
if (!use_dep){
append_sc(&out, "_");
}
append_sc(&out, "(");
for (int32_t j = 0; j < breakdown.count; ++j){
append_ss(&out, breakdown.args[j].param_name);
if (j+1 != breakdown.count){
append_sc(&out, ", ");
}
}
append_sc(&out, ")");
append_sc(&out, ");}\n");
}
if (use_dep == 1){
append_sc(&out, "#else\n");
}
}
append_sc(&out, "#endif\n");
end_file_out(context);
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}
else{
// TODO(allen): warning
}
META_FINISH();
}
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int main(int argc, char **argv){
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generate_keycode_enum();
generate_style();
generate_custom_headers();
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}
// BOTTOM