4coder/string/4ed_string_builder.cpp

458 lines
15 KiB
C++

/*
* Mr. 4th Dimention - Allen Webster
*
* 21.01.2017
*
* Builder for the 4coder_string.h header.
*
*/
// TOP
// TODO(allen): Make sure to only publish the 4coder_string.h if it builds and passes a series of tests.
#define BUILD_NUMBER_FILE "4coder_string_build_num.txt"
#define GENERATED_FILE "4coder_string.h"
#define INTERNAL_STRING "internal_4coder_string.cpp"
#define BACKUP_FOLDER ".." SLASH ".." SLASH "string_backup"
#define PUBLISH_FOLDER ".." SLASH "4coder_helper"
#include "../4cpp/4cpp_lexer.h"
#define FSTRING_IMPLEMENTATION
#include "../4coder_lib/4coder_string.h"
#include "../4ed_defines.h"
#include "../meta/4ed_meta_defines.h"
#define FTECH_FILE_MOVING_IMPLEMENTATION
#include "../meta/4ed_file_moving.h"
#include "../meta/4ed_meta_parser.cpp"
#include "../meta/4ed_meta_keywords.h"
#include "../meta/4ed_out_context.cpp"
#include <stdio.h>
#include <string.h>
#define V_MAJ_NUM 1
#define V_MIN_NUM 0
#define V_MAJ STR_(V_MAJ_NUM)
#define V_MIN STR_(V_MIN_NUM)
internal char*
parse_next_line(char *str, char *str_end){
char *ptr = str;
for (; ptr < str_end && *ptr != '\n'; ++ptr);
++ptr;
return(ptr);
}
internal b32
parse_build_number(char *file_name, i32 *major_out, i32 *minor_out, i32 *build_out){
b32 result = false;
String file = file_dump(file_name);
if (file.str != 0){
*major_out = 0;
*minor_out = 0;
*build_out = 0;
char *end_str = file.str + file.size;
char *major_str = file.str;
char *minor_str = parse_next_line(major_str, end_str);
char *build_str = parse_next_line(minor_str, end_str);
char *ender = parse_next_line(build_str, end_str);
if (major_str < end_str && build_str < end_str && ender < end_str){
minor_str[-1] = 0;
build_str[-1] = 0;
ender[-1] = 0;
*major_out = str_to_int_c(major_str);
*minor_out = str_to_int_c(minor_str);
*build_out = str_to_int_c(build_str);
result = true;
}
free(file.str);
}
return(result);
}
internal void
save_build_number(char *file_name, i32 major, i32 minor, i32 build){
FILE *out = fopen(file_name, "wb");
fprintf(out, "%d\n%d\n%d\n\n\n", major, minor, build);
fclose(out);
}
///////////////////////////////
//
// Meta Parse Rules
//
internal void
print_function_body_code(String *out, Parse_Context *context, i32 start){
String pstr = {0}, lexeme = {0};
Cpp_Token *token = 0;
i32 do_print = 0;
i32 nest_level = 0;
i32 finish = false;
i32 do_whitespace_print = false;
i32 is_first = true;
for (; (token = get_token(context)) != 0; get_next_token(context)){
if (do_whitespace_print){
pstr = str_start_end(context->data, start, token->start);
append(out, pstr);
}
else{
do_whitespace_print = true;
}
do_print = true;
if (token->type == CPP_TOKEN_COMMENT){
lexeme = get_lexeme(*token, context->data);
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;
}
if (do_print){
pstr = get_lexeme(*token, context->data);
append(out, pstr);
}
start = token->start + token->size;
if (finish){
break;
}
}
}
internal void
file_move(char *path, char *file_name){
fm_copy_file(fm_str(file_name), fm_str(path, "/", file_name));
}
int main(){
META_BEGIN();
fm_init_system();
// NOTE(allen): Parse the internal string file.
char *string_files[] = { INTERNAL_STRING, 0 };
Meta_Unit string_unit = compile_meta_unit(".", string_files, ExpandArray(meta_keywords));
if (string_unit.parse == 0){
Assert(!"Missing one or more input files!");
}
// NOTE(allen): Parse the version counter file
i32 major_number = 0;
i32 minor_number = 0;
i32 build_number = 0;
b32 parsed_version_counter = parse_build_number(BUILD_NUMBER_FILE, &major_number, &minor_number, &build_number);
Assert(parsed_version_counter);
if (V_MAJ_NUM < major_number){
Assert(!"major version mismatch");
}
else if (V_MAJ_NUM > major_number){
major_number = V_MAJ_NUM;
minor_number = V_MIN_NUM;
build_number = 0;
}
else{
if (V_MIN_NUM < minor_number){
Assert(!"minor version mismatch");
}
else if (V_MIN_NUM > minor_number){
minor_number = V_MIN_NUM;
build_number = 0;
}
}
// NOTE(allen): Output
String out = str_alloc(10 << 20);
Out_Context context = {0};
// NOTE(allen): String Library
if (begin_file_out(&context, GENERATED_FILE, &out)){
Cpp_Token *token = 0;
i32 start = 0;
Parse parse = string_unit.parse[0];
Parse_Context pcontext = setup_parse_context(parse);
for (; (token = get_token(&pcontext)) != 0; get_next_token(&pcontext)){
if (!(token->flags & CPP_TFLAG_PP_BODY) &&
token->type == CPP_TOKEN_IDENTIFIER){
String lexeme = get_lexeme(*token, pcontext.data);
if (match(lexeme, "FSTRING_BEGIN")){
start = token->start + token->size;
break;
}
}
}
append(&out, "/*\n");
append(&out, GENERATED_FILE " - Version "V_MAJ"."V_MIN".");
append_int_to_str(&out, build_number);
append(&out, "\n");
append(&out, STANDARD_DISCLAIMER);
append(&out,
"To include implementation: #define FSTRING_IMPLEMENTATION\n"
"To use in C mode: #define FSTRING_C\n");
append(&out, "*/\n");
String pstr = {0};
i32 do_whitespace_print = true;
for(;(token = get_next_token(&pcontext)) != 0;){
if (do_whitespace_print){
pstr = str_start_end(pcontext.data, start, token->start);
append(&out, pstr);
}
else{
do_whitespace_print = true;
}
String lexeme = get_lexeme(*token, pcontext.data);
i32 do_print = true;
if (match(lexeme, "FSTRING_DECLS")){
append(&out, "#if !defined(FCODER_STRING_H)\n#define FCODER_STRING_H\n\n");
do_print = false;
local_persist i32 RETURN_PADDING = 16;
local_persist i32 SIG_PADDING = 35;
for (i32 j = 0; j < string_unit.set.count; ++j){
char line_[2048];
String line = make_fixed_width_string(line_);
Item_Node *item = string_unit.set.items + j;
if (item->t == Item_Function){
append (&line, item->ret);
append_padding (&line, ' ', SIG_PADDING);
append (&line, item->name);
append (&line, item->args);
append (&line, ";\n");
}
else if (item->t == Item_Macro){
append (&line, "#ifndef ");
append_padding (&line, ' ', 10);
append (&line, item->name);
append_s_char (&line, '\n');
append (&line, "# define ");
append_padding (&line, ' ', 10);
append (&line, item->name);
append (&line, item->args);
append_s_char (&line, ' ');
append (&line, item->body);
append_s_char (&line, '\n');
append (&line, "#endif");
append_s_char (&line, '\n');
}
else{
InvalidCodePath;
}
append(&out, line);
}
append(&out, "\n#endif\n");
// NOTE(allen): C++ overload definitions
append(&out, "\n#if !defined(FSTRING_C) && !defined(FSTRING_GUARD)\n\n");
for (i32 j = 0; j < string_unit.set.count; ++j){
char line_space[2048];
String line = make_fixed_width_string(line_space);
Item_Node *item = &string_unit.set.items[j];
if (item->t == Item_Function){
String cpp_name = item->cpp_name;
if (cpp_name.str != 0){
Argument_Breakdown breakdown = item->breakdown;
append (&line, item->ret);
append_padding(&line, ' ', SIG_PADDING);
append (&line, cpp_name);
append (&line, item->args);
if (match(item->ret, "void")){
append(&line, "{(");
}
else{
append(&line, "{return(");
}
append (&line, item->name);
append_s_char(&line, '(');
if (breakdown.count > 0){
for (i32 i = 0; i < breakdown.count; ++i){
if (i != 0){
append_s_char(&line, ',');
}
append(&line, breakdown.args[i].param_name);
}
}
else{
append(&line, "void");
}
append(&line, "));}\n");
append(&out, line);
}
}
}
append(&out, "\n#endif\n");
}
else if (match(lexeme, "API_EXPORT_MACRO")){
token = get_next_token(&pcontext);
if (token && token->type == CPP_TOKEN_COMMENT){
token = get_next_token(&pcontext);
if (token && token->type == CPP_PP_DEFINE){
for (;(token = get_next_token(&pcontext)) != 0;){
if (!(token->flags & CPP_TFLAG_PP_BODY)){
break;
}
}
if (token != 0){
get_prev_token(&pcontext);
}
do_print = false;
do_whitespace_print = false;
}
}
}
else if (match(lexeme, "API_EXPORT") || match(lexeme, "API_EXPORT_INLINE")){
if (!(token->flags & CPP_TFLAG_PP_BODY)){
if (match(lexeme, "API_EXPORT_INLINE")){
append(&out, "#if !defined(FSTRING_GUARD)\n");
}
else{
append(&out, "#if defined(FSTRING_IMPLEMENTATION)\n");
}
print_function_body_code(&out, &pcontext, start);
append(&out, "\n#endif");
do_print = false;
}
}
else if (match(lexeme, "CPP_NAME")){
Cpp_Token *token_start = token;
i32 has_cpp_name = false;
token = get_next_token(&pcontext);
if (token && token->type == CPP_TOKEN_PARENTHESE_OPEN){
token = get_next_token(&pcontext);
if (token && token->type == CPP_TOKEN_IDENTIFIER){
token = get_next_token(&pcontext);
if (token && token->type == CPP_TOKEN_PARENTHESE_CLOSE){
has_cpp_name = true;
do_print = false;
}
}
}
if (!has_cpp_name){
token = set_token(&pcontext, token_start);
}
}
else if (token->type == CPP_TOKEN_COMMENT){
if (check_and_fix_docs(&lexeme)){
do_print = false;
}
}
else if (token->type == CPP_PP_INCLUDE){
token = get_next_token(&pcontext);
if (token && token->type == CPP_PP_INCLUDE_FILE){
lexeme = get_lexeme(*token, pcontext.data);
lexeme.size -= 2;
lexeme.str += 1;
char space[512];
String str = make_fixed_width_string(space);
append(&str, lexeme);
terminate_with_null(&str);
String dump = file_dump(str.str);
if (dump.str){
append(&out, dump);
}
else{
lexeme.size += 2;
lexeme.str -= 1;
append(&out, "#error Could not find ");
append(&out, lexeme);
append(&out, "\n");
}
free(dump.str);
}
do_print = false;
}
if ((token = get_token(&pcontext)) != 0){
if (do_print){
pstr = get_lexeme(*token, pcontext.data);
append(&out, pstr);
}
start = token->start + token->size;
}
}
pstr = str_start_end(pcontext.data, start, parse.code.size);
append(&out, pstr);
end_file_out(context);
}
// NOTE(allen): Publish the new file. (Would like to be able to automatically test the result before publishing).
{
fm_make_folder_if_missing(BACKUP_FOLDER SLASH V_MAJ SLASH V_MIN);
file_move(BACKUP_FOLDER SLASH V_MAJ SLASH V_MIN, INTERNAL_STRING);
file_move(BACKUP_FOLDER SLASH V_MAJ SLASH V_MIN, GENERATED_FILE);
//file_move(PUBLISH_FOLDER, GENERATED_FILE);
fm_delete_file(GENERATED_FILE);
printf("published "GENERATED_FILE": v%d.%d.%d\n", major_number, minor_number, build_number);
save_build_number(BUILD_NUMBER_FILE, major_number, minor_number, build_number + 1);
}
META_FINISH();
}
// BOTTOM