1 files changed, 0 insertions, 210 deletions

diff --git a/source/engine.c b/source/engine.c
deleted file mode 100644
index 106f113..0000000
--- a/source/engine.c
+++ /dev/null
@@ -1,210 +0,0 @@
-
-
-
-#define B_TREE_IMPLEMENTATION
-#define BASE_UNITY
-#include "base/base_include.h"
-
-internal b32
-is_alpha(u8 point)
-{
-    return ((point >= 'a' && point <= 'z') || (point >= 'A' && point <= 'Z') || (point == '_'));
-}
-
-internal b32
-is_digit(u8 point)
-{
-    return (point >= '0' && point <= '9');
-}
-
-internal b32
-is_alpha_num(u8 point)
-{
-    return (is_alpha(point) || is_digit(point));
-}
-
-internal b32
-is_whitespace(u8 point)
-{
-    return (point == '\n' || point == '\r' || point == ' ' || point == '\t');
-}
-
-internal b32
-is_delimiter(u8 point)
-{
-    return (point == ',');
-
-}
-
-#include "b_tree.h"
-#include "csv_reader.h"
-
-typedef struct query_token query_token;
-struct query_token
-{
-    string8      lexeme;
-    query_token  *next;
-};
-
-typedef struct query_token_list query_token_list;
-struct query_token_list
-{
-    query_token *start_token;
-    query_token *current_token;
-};
-
-read_only global_variable
-query_token nil_query_token =
-{
-    .lexeme = {.data = NULL, .size = 0},
-    .next = &nil_query_token
-};
-
-
-read_only global_variable
-query_token_list nil_query_token_list =
-{
-    .start_token = &nil_query_token,
-    .current_token = &nil_query_token,
-};
-
-internal b32
-is_nil_query_token(query_token *token)
-{
-    return (token == &nil_query_token) || (token == NULL);
-}
-
-internal b32
-is_nil_query_token_list(query_token *token)
-{
-    return (token == &nil_query_token) || (token == NULL);
-}
-
-
-// takes on line of the repl input
-// return a reference to the passed list
-internal query_token_list *
-query_tokenizer(mem_arena *arena, string8 *buffer, query_token_list *list)
-{
-    b32 initialized = 0;
-    unused(initialized);
-
-    for (u64 index = 0; index < buffer->size; ++index)
-    {            
-        u8 codepoint = buffer->data[index];
-
-        if(codepoint == '\n' || codepoint == '\r') break;
-
-        s32 start   = 0; 
-        s32 end     = 0; 
-
-        if(is_whitespace(codepoint))
-        {
-            end = index; 
-        }
-
-        // save the token
-        // TODO(nasr): work on the string macros cuz no work
-        {
-            query_token *new_token = PushStruct(arena, query_token);
-
-            //- initialize list
-            {
-                if(is_nil_query_token(list->start_token))
-                {
-                    list->start_token   = new_token;
-                    list->current_token = new_token; 
-                }
-                else 
-                {
-                    //- all we need to do - we dont track parents or what ever. this is a token stream not a tree
-                    list->current_token->next = new_token;
-                }
-            }
-
-            s32 new_token_size = end - start;
-
-            new_token->lexeme = PushString(arena, new_token_size);
-            new_token->lexeme.data = &buffer->data[index]; 
-            new_token->lexeme.size = new_token_size;
-
-            list->current_token->next = new_token;
-
-            start = index + 1;
-        }
-    }
-
-    return list;
-}
-
-int main(int count, char **value)
-{
-
-#if 1
-    unused(nil_query_token_list);
-#endif
-
-    if(count < 2) value[1] =  "./test/data.csv";
-
-    local_persist b32 running = 1;
-
-    mem_arena *global_arena = arena_create(MiB(30));
-
-    // NOTE(nasr): see note down below
-    // csv_table *global_table = PushStruct(global_arena, csv_table);
-
-    string8 buffer = load_file(global_arena, value[1]);
-
-    print("\nDatabase Engine\n");
-
-    for(;;)
-    {
-        if (running)
-        {
-            {
-                u8 *lbuf = PushArray(global_arena, u8, 256);
-                s32 err = os_read(STDIN_FD, lbuf, 256);
-
-                if(err < 0)
-                {
-                    print("error reading from stdin");
-                }
-
-                // TODO(nasr): extract this later in the future and make a string copy function/macro
-                // @params (s32 lbuf_size , string8 lbuf_stringified)
-                s32 lbuf_size             = sizeof(lbuf) - 1;
-                string8 lbuf_stringified  = PushString(global_arena, lbuf_size);
-                {
-                    memcpy(lbuf_stringified.data, lbuf, lbuf_size);
-                    lbuf_stringified.size  = sizeof(lbuf) - 1;
-                }
-
-                query_token_list *qtl = PushStruct(global_arena, query_token_list);
-
-                query_tokenizer(global_arena, &lbuf_stringified, qtl);
-            }
-
-            {
-                read_csv(buffer);
-
-                csv_token *tokens = tokenize_csv(buffer, global_arena);
-
-                assert_msg(tokens != NULL, "Tokens are NULL.");
-
-                csv_token_list *ctl = PushStruct(global_arena, csv_token_list);
-                b_tree *bt = parse_csv(global_arena, ctl);
-
-                b_tree_write(bt);
-            }
-
-
-            // NOTE(nasr): not sure on how to approach the b-tree and the  table format thing
-            // we kind of want our table format i think? but i wouldnt be sure about the use case
-            // so we stick to the regular b_tree for now. commenting out the tables.
-
-            sleep(1);
-        }
-    }
-
-    return 0;
-}