example project file

CamelCase
include fix
2024-05-02 07:37:26 +05:00 · 2023-11-19 22:52:26 +06:00 · 2023-11-19 22:42:53 +06:00 · 2023-11-19 22:36:02 +06:00 · 2023-11-19 22:35:22 +06:00 · 2023-10-12 13:53:32 +06:00
95 changed files with 3832 additions and 167 deletions
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -0,0 +1,35 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Debug",
+            "type": "cppdbg",
+            "request": "launch",
+            "cwd": "${workspaceFolder}/bin",
+            "windows": {
+                "program": "${workspaceFolder}\\bin\\cbuild.exe",
+            },
+            "linux": {
+                "program": "${workspaceFolder}/bin/cbuild",
+            },
+            "args": [ "-p", "../example.proj.dtsod", "exe"],
+            "preLaunchTask": "build",
+            "stopAtEntry": false,
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "miDebuggerPath": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description":  "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+    ]
+}
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -0,0 +1,24 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "build",
+            "command": "bash",
+            "args": [
+                "${workspaceRoot}/build.sh",
+                "debug"
+            ],
+            "options": {
+                "cwd": "${workspaceRoot}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        }
+    ]
+}
--- a/TODO.md
+++ b/TODO.md
@@ -0,0 +1,77 @@
+## cbuild logic description
+ verify cbuild version
+ foreach dep in import
+    + if dep starts with "./"
+        + import local file
+    + else 
+        + if find(dep in ./cbuild)
+        + else if find (dep in global_config_dir/**)
+        + else error: "import target 'dep' not found, try 'fluzm find dep'"
+ apply proj settings
+ apply platform settings
+ apply configuration settings
+    + apply platform settings
+ foreach task in tasks
+    + apply platform settings
+    + foreach tool in tool_order
+        + apply task settings
+        + foreach src in find(dir, langs)
+            + if platform, settings, src or src_deps (included headers) were changed
+                + src -> src_to_process
+        + if parallel
+            + foreach src in src_to_process
+                + run tool on src
+        + else
+            + run tool on src_to_process
+
+## Example of project.dtsod:
+```yml
+cbuild_version: 0;
+import: [ "c", "c++", "gcc", "./some_local_file.dtsod" ];
+
+gcc: {
+    src_languages: [ "c" ],
+    src_dirs: [ "src" ],
+};
+
+configurations: {
+    release: {
+        preprocess_sources: {
+            src_languages: [ "c", "c++" ],
+            src_dirs: [ "src" ],
+        },
+        gcc: {
+            pre_args: [ "-O2" ],
+            post_args: [ "-Wl,--gc-sections" ],
+        };
+    };
+}
+
+tasks: {
+    exe: {
+        pre_tasks: [  ],
+        tool_order: [ "preprocess_sources", "gcc", "g++", "g++-link" ],
+        g++: [ ... ],
+    };
+};
+
+languages: [
+    {
+        aliases: [ "c" ],
+        file_extensions: [ "c" ],
+    },
+    {
+        aliases: [ "c-header" ],
+        file_extensions: [ "h" ],
+    }
+];
+
+tools: [
+    {
+        aliases: [ "gcc" ],
+        exe_file: [ "gcc" ],
+        supported_languages: [ "c" ]; # set to "any" to use with any lang
+        parallel: true,
+    }
+];
+```
--- a/build.sh
+++ b/build.sh
@@ -1,31 +1,47 @@
 #!/bin/bash
 set -eo pipefail
+
+CONFIG_DIR="/etc/cbuild"
 CMP="gcc"
-ARGS="-Wall -Wno-discarded-qualifiers -O2"
-SRC="$(find . -name '*.c')"
-LINK="-L. -lkerep"
+WARN="-Wall -Wextra -Wno-discarded-qualifiers -Wno-unused-parameter"

-OS=$(./detect_os.sh)
-ARCH=$(./detect_arch.sh)
+ARGS_DEBUG="-O0 -g"
+ARGS_RELEASE="-O2 -flto=auto -fdata-sections -ffunction-sections -Wl,--gc-sections"
+if [[ "$1" = "debug" ]]; then
+    ARGS=$ARGS_DEBUG
+else 
+    ARGS=$ARGS_RELEASE
+fi

-if [[ OS == "windows" ]]; then
+SRC="$(find src -name '*.c')"
+
+OS="$(./detect_os.sh)"
+ARCH="$(./detect_arch.sh)"
+LINK="-Lkerep/bin -lkerep-$OS-$ARCH"
+
+if [ "$OS" = "windows" ]; then
    OUT_FILE="cbuild.exe"
 else
    OUT_FILE="cbuild"
 fi

 command="$CMP $ARGS
-    -DOS=$OS -DARCH=$ARCH
+    $WARN
+    -DOS=\"$OS\" -DARCH=\"$ARCH\" -DCONFIG_DIR=\"$CONFIG_DIR\"
 $SRC
    $LINK
    -o bin/$OUT_FILE"

+if [ ! -f "kerep/bin/libkerep-$OS-$ARCH.a" ]; then
+    echo "libkerep-$OS-$ARCH.a not found"
+    cd kerep
+    ./build.sh
+    cd ..
+fi
+
 rm -rf bin
-mkdir bin
+mkdir -p bin
+echo "----------------[cbuild]----------------"
 echo "$command"

-tar xJf libkerep.a.tar.xz
-
 $($command)
-
-rm libkerep.a
--- a/detect_arch.sh
+++ b/detect_arch.sh
@@ -20,4 +20,4 @@ case "$uname_rezult" in
        ;;
 esac

-echo "\"$ARCH\""
+echo "$ARCH"
--- a/detect_os.sh
+++ b/detect_os.sh
@@ -23,4 +23,4 @@ case "$uname_rezult" in
        ;;
 esac

-echo "\"$OS\""
+echo "$OS"
--- a/example.proj.dtsod
+++ b/example.proj.dtsod
@@ -0,0 +1,48 @@
+cbuild_version: 0;
+import: [ "c", "c++", "gcc", "./some_local_file.dtsod" ];
+
+gcc: {
+    src_languages: [ "c" ],
+    src_dirs: [ "src" ],
+};
+
+configurations: {
+    release: {
+        preprocess_sources: {
+            src_languages: [ "c", "c++" ],
+            src_dirs: [ "src" ],
+        },
+        gcc: {
+            pre_args: [ "-O2" ],
+            post_args: [ "-Wl,--gc-sections" ],
+        };
+    };
+};
+
+tasks: {
+    exe: {
+        pre_tasks: [  ],
+        tool_order: [ "preprocess_sources", "gcc", "g++", "g++-link" ],
+        #g++: [ ... ],
+    };
+};
+
+languages: [
+    {
+        aliases: [ "c" ],
+        file_extensions: [ "c" ],
+    },
+    {
+        aliases: [ "c-header" ],
+        file_extensions: [ "h" ],
+    }
+];
+
+tools: [
+    {
+        aliases: [ "gcc" ],
+        exe_file: "gcc",
+        supported_languages: [ "c" ]; # set to "any" to use with any lang
+        parallel: false,
+    }
+];
--- a/kerep-headers/DtsodParser/DtsodV24.h
+++ b/kerep-headers/DtsodParser/DtsodV24.h
@@ -1,32 +0,0 @@
-#pragma once
-
-#if __cplusplus
-extern "C" {
-#endif
-
-#include "../Hashtable/Hashtable.h"
-
-// parses text to binary values
-Maybe DtsodV24_deserialize(char* text);
-
-// creates text representation of dtsod
-Maybe DtsodV24_serialize(Hashtable* dtsod);
-
-// returns value or UniNull if key not found
-Unitype DtsodV24_get(Hashtable* dtsod, char* key);
-
-// adds or sets value
-void DtsodV24_addOrSet(Hashtable* dtsod, char* key, Unitype value);
-
-// checks for dtsod contains value or dont
-bool DtsodV24_contains(Hashtable* dtsod, char* key);
-
-// replaces value with UniNull if key exists in dtsod
-bool DtsodV24_remove(Hashtable* dtsod, char* key);
-
-// frees memory including memory of elements (hashtables, autoarrs, etc.)
-void DtsodV24_free(Hashtable* dtsod);
-
-#if __cplusplus
-}
-#endif
--- a/kerep/.gitignore
+++ b/kerep/.gitignore
@@ -0,0 +1,2 @@
+obj/
+libkerep.*
--- a/kerep/build.sh
+++ b/kerep/build.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+set -eo pipefail
+
+CMP="gcc"
+WARN="-std=c11 -Wall -Wno-discarded-qualifiers -Wno-unused-parameter"
+ARGS="-O2 -flto=auto -fpic -fdata-sections -ffunction-sections"
+SRC="$(find src -name '*.c')"
+
+OS=$(../detect_os.sh)
+ARCH=$(../detect_arch.sh)
+OUTFILE="bin/libkerep-$OS-$ARCH.a"
+
+rm -rf obj
+mkdir obj
+mkdir -p bin
+
+echo "----------------[kerep]-----------------"
+compiler_call="$CMP $WARN $ARGS -c"
+echo "$compiler_call"
+OBJECTS=
+for srcfile in $SRC
+do
+    echo "    $srcfile"
+    object="obj/$(basename $srcfile).o"
+    OBJECTS="$OBJECTS
+    $object"
+    command="$compiler_call $srcfile -o $object"
+    if ! $($command); then
+        exit 1
+    fi
+done
+
+command="ar rcs $OUTFILE $OBJECTS"
+echo "$command"
+if $($command)
+then
+    echo "static lib $OUTFILE created"
+    rm -r obj
+else
+    exit 1
+fi
--- a/kerep/src/Autoarr/Autoarr.c
+++ b/kerep/src/Autoarr/Autoarr.c
@@ -0,0 +1,17 @@
+#include "Autoarr.h"
+
+Autoarr_define(Pointer, true)
+Autoarr_define(char, false)
+Autoarr_define(bool, false)
+Autoarr_define(f32, false)
+Autoarr_define(f64, false)
+Autoarr_define(u8, false)
+Autoarr_define(i8, false)
+Autoarr_define(u16, false)
+Autoarr_define(i16, false)
+Autoarr_define(u32, false)
+Autoarr_define(i32, false)
+Autoarr_define(u64, false)
+Autoarr_define(i64, false)
+
+Autoarr_define(Unitype, false)
--- a/kerep-headers/Autoarr/Autoarr.h
+++ b/kerep-headers/Autoarr/Autoarr.h
--- a/kerep-headers/Autoarr/Autoarr_declare.h
+++ b/kerep-headers/Autoarr/Autoarr_declare.h
--- a/kerep-headers/Autoarr/Autoarr_define.h
+++ b/kerep-headers/Autoarr/Autoarr_define.h
--- a/kerep-headers/Autoarr/README.md
+++ b/kerep-headers/Autoarr/README.md
--- a/kerep/src/DtsodParser/DtsodV24.h
+++ b/kerep/src/DtsodParser/DtsodV24.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#include "../Hashtable/Hashtable.h"
+
+// parses text to binary values
+Maybe DtsodV24_deserialize(char* text);
+
+// creates text representation of dtsod
+Maybe DtsodV24_serialize(Hashtable* dtsod);
+
+#if __cplusplus
+}
+#endif
--- a/kerep/src/DtsodParser/DtsodV24_deserialize.c
+++ b/kerep/src/DtsodParser/DtsodV24_deserialize.c
@@ -0,0 +1,344 @@
+#include "DtsodV24.h"
+#include "../String/StringBuilder.h"
+
+#define ARR_BC 64
+#define ARR_BL 1024
+
+
+typedef struct DeserializeSharedData{
+    const char* sh_text_first;
+    char* sh_text;
+    bool sh_partOfDollarList;
+    bool sh_calledRecursively;
+} DeserializeSharedData;
+
+#define text shared->sh_text
+#define partOfDollarList shared->sh_partOfDollarList
+#define calledRecursively shared->sh_calledRecursively
+
+
+// special func for throwing error messages about wrong characters in deserializing text
+Maybe ERROR_WRONGCHAR(const char c, char* _text, char* text_first, const char* srcfile, i32 line, const char* funcname){
+    char errBuf[68];
+    for(u8 n=0; n<sizeof(errBuf);n++)
+        errBuf[n]='\0';
+    char* errText=_text-32;
+    u8 cplace=32;
+    if(errText<text_first) {
+        cplace=_text-text_first;
+        errText=text_first;
+    }
+    u8 i=0;
+    for(; i<cplace; i++){
+        // writes 32 chars before the wrongchar
+        errBuf[i]=errText[i];
+    }
+    //prints wrongchar in braces
+    errBuf[i++]='<';
+    errBuf[i++]=c;
+    errBuf[i++]='>';
+    for(; i<cplace+3+32; i++){
+        // writes 32 chars after the wrongchar
+        char _c=errText[i-2];
+        errBuf[i]=_c;
+        if(!_c) break;
+    }
+    char errmsg[1024];
+    IFMSC(
+        sprintf_s(errmsg,1024, "unexpected <%c> at:\n"
+                        "  \"%s\"\n"
+                        "\\___[%s:%d] %s()", 
+                        c,errBuf, srcfile,line,funcname),
+        sprintf(errmsg, "unexpected <%c> at:\n"
+                        "  \"%s\"\n"
+                        " \\___[%s:%d] %s()", 
+                        c,errBuf, srcfile,line,funcname)
+    );
+    safethrow(errmsg,;);
+}
+#define safethrow_wrongchar(C, freeMem) { freeMem; return ERROR_WRONGCHAR(C, text, shared->sh_text_first, __FILE__,__LINE__,__func__); }
+
+
+Maybe __SkipComment(DeserializeSharedData* shared) {
+    char c;
+
+    while ((c=*++text) != '\n')
+        if (!c) safethrow(ERR_ENDOFSTR,;);
+
+    return MaybeNull;
+}
+#define SkipComment() __SkipComment(shared)
+
+Maybe __ReadName(DeserializeSharedData* shared){
+    char c;
+    string nameStr={text+1,0};
+
+    while ((c=*++text)) switch (c){
+        case ' ':  case '\t':
+        case '\r': case '\n':
+            if(nameStr.length!=0)
+                safethrow_wrongchar(c,;);
+            nameStr.ptr++;
+            break;
+        case '=':  case ';':
+        case '\'': case '"':
+        case '[':  case ']':
+        case '{':
+            safethrow_wrongchar(c,;);
+        case '#': ;
+            char _c=c;
+            char* _text=text;
+            try(SkipComment(),_,;);
+            if(nameStr.length!=0){
+                text=_text;
+                safethrow_wrongchar(_c,;);
+            }
+            nameStr.ptr=text+1; // skips '\n'
+            break;
+        case '}':
+            if(!calledRecursively || nameStr.length!=0) 
+                safethrow_wrongchar(c,;);
+            return SUCCESS(UniHeapPtr(char,NULL));
+        case ':':
+            return SUCCESS(UniHeapPtr(char,string_extract(nameStr)));
+        case '$':
+            if(nameStr.length!=0)
+                safethrow_wrongchar(c,;);
+            nameStr.ptr++;
+            partOfDollarList=true;
+            break;
+        default:
+            nameStr.length++;
+            break;
+    }
+
+    if(nameStr.length>0) safethrow(ERR_ENDOFSTR,;);
+    return SUCCESS(UniHeapPtr(char,NULL));
+}
+#define ReadName() __ReadName(shared)
+
+Maybe __deserialize(char** _text, bool _calledRecursively);
+Maybe __ReadValue(DeserializeSharedData* shared, bool* readingList);
+#define ReadValue(rL) __ReadValue(shared, rL)
+
+// returns part of <text> without quotes
+Maybe __ReadString(DeserializeSharedData* shared){
+    char c;
+    bool prevIsBackslash=false;
+    StringBuilder* b=StringBuilder_create();
+
+    while ((c=*++text)){
+        if(c=='"') {
+            if(prevIsBackslash) {
+                // replacing <\"> with <">
+                StringBuilder_rmchar(b); 
+                StringBuilder_append_char(b,c);
+                prevIsBackslash=false;
+            }
+            else {
+                char* str=StringBuilder_build(b).ptr;
+                return SUCCESS(UniHeapPtr(char,str));
+            }
+        } 
+        else {
+            prevIsBackslash= c=='\\' && !prevIsBackslash;
+            StringBuilder_append_char(b,c);
+        }
+    }
+
+    safethrow(ERR_ENDOFSTR, StringBuilder_free(b));
+}
+#define ReadString() __ReadString(shared)
+
+Maybe __ReadList(DeserializeSharedData* shared){
+    Autoarr(Unitype)* list=Autoarr_create(Unitype,ARR_BC,ARR_BL);
+    bool readingList=true;
+    while (true){
+        try(ReadValue((&readingList)), m_val, Autoarr_free(list, true))
+            Autoarr_add(list,m_val.value); 
+        if (!readingList){
+            if(Unitype_isUniNull(m_val.value))
+                Autoarr_pop(list);
+            break;
+        }
+    }
+
+    return SUCCESS(UniHeapPtr(Autoarr_Unitype,list));
+};
+#define ReadList() __ReadList(shared)
+
+Maybe __ParseValue(DeserializeSharedData* shared, string str){
+    const string trueStr={"true",4};
+    const string falseStr={"false",5};
+
+    switch(str.ptr[str.length-1]){
+        // Bool
+        case 'e':
+            if(string_compare(str,trueStr))
+                return SUCCESS(UniTrue);
+            else if(string_compare(str,falseStr))
+                return SUCCESS(UniFalse);
+            else safethrow_wrongchar(*str.ptr,;);
+        // Float64
+        case 'f': {
+            char* _c=string_extract(str);
+            Unitype rez=UniFloat64(strtod(_c,NULL));
+            free(_c);
+            return SUCCESS(rez);
+        }
+        // UInt64
+        case 'u': {
+            u64 lu=0;
+            char* _c=string_extract(str);
+            if(sscanf(_c, IFWIN("%llu", "%lu"), &lu)!=1){
+                char err[64];
+                IFMSC(
+                    sprintf_s(err,64,"can't parse to int: <%s>",_c),
+                    sprintf(err,"can't parse to int: <%s>",_c)
+                );
+                safethrow(err,free(_c));
+            }
+            free(_c);
+            return SUCCESS(UniUInt64(lu));
+        }
+        // Int64
+        case '0': case '1': case '2': case '3': case '4':
+        case '5': case '6': case '7': case '8': case '9': {
+            i64 li=0;
+            char* _c=string_extract(str);
+            if(sscanf(_c, IFWIN("%lli", "%li"), &li)!=1){
+                char err[64];
+                IFMSC(
+                    sprintf_s(err,64,"can't parse to int: <%s>",_c),
+                    sprintf(err,"can't parse to int: <%s>",_c)
+                );
+                safethrow(err,free(_c));
+            }
+            free(_c);
+            return SUCCESS(UniInt64(li));
+        }
+        // wrong type
+        default:
+            safethrow_wrongchar(str.ptr[str.length-1],;);
+    }
+
+    safethrow(ERR_ENDOFSTR,;);
+};
+#define ParseValue(str) __ParseValue(shared, str)
+
+Maybe __ReadValue(DeserializeSharedData* shared, bool* readingList){
+    char c;
+    string valueStr={text+1,0};
+    Unitype value=UniNull;
+    bool spaceAfterVal=false;
+    
+    while ((c=*++text)) switch (c){
+        case ' ':  case '\t':
+        case '\r': case '\n':
+            if(valueStr.length!=0)
+                spaceAfterVal=true;
+            else valueStr.ptr++;
+            break;
+        case '=': case ':': 
+        case '}': case '$':
+        case '\'':
+            safethrow_wrongchar(c,Unitype_free(value));
+        case '#':;
+            char _c=c;
+            char* _text=text;
+            try(SkipComment(),_,;);
+            if(valueStr.length!=0){
+                text=_text;
+                safethrow_wrongchar(_c,Unitype_free(value));
+            }
+            valueStr.ptr=text+1; // skips '\n'
+            break;
+        case '"':
+            if(valueStr.length!=0) safethrow_wrongchar(c,Unitype_free(value));
+            try(ReadString(),maybeString,;)
+                value=maybeString.value;
+            break;
+        case '{':
+            if(valueStr.length!=0) safethrow_wrongchar(c,Unitype_free(value));
+            ++text; // skips '{' 
+            try(__deserialize(&text,true), val,Unitype_free(value))
+                value=val.value;
+            break;
+        case '[':
+            if(valueStr.length!=0) safethrow_wrongchar(c,Unitype_free(value));
+            try(ReadList(),maybeList,Unitype_free(value))
+                value=maybeList.value;
+            break;
+        case ']':
+            if(!readingList) safethrow_wrongchar(c,Unitype_free(value));
+            *readingList=false;
+            goto return_value;
+        case ';':
+        case ',':
+            return_value:
+            if(valueStr.length!=0){
+                if(!Unitype_isUniNull(value)) 
+                    safethrow_wrongchar(c,Unitype_free(value));
+                try(ParseValue(valueStr),maybeParsed,;)
+                    value=maybeParsed.value;
+            }
+            return SUCCESS(value);
+        default:
+            if(spaceAfterVal)
+                safethrow_wrongchar(c,Unitype_free(value)); 
+            valueStr.length++;
+            break;
+    }
+
+    safethrow(ERR_ENDOFSTR,;);
+}
+
+
+Maybe __deserialize(char** _text, bool _calledRecursively) {
+    DeserializeSharedData _shared={
+        .sh_text_first=*_text,
+        .sh_text=*_text,
+        .sh_partOfDollarList=false,
+        .sh_calledRecursively=_calledRecursively
+    };
+    DeserializeSharedData* shared=&_shared;
+    Hashtable* dict=Hashtable_create();
+    
+    text--;
+    while(true){
+        try(ReadName(), maybeName, Hashtable_free(dict))
+            if(!maybeName.value.VoidPtr) // end of file or '}' in recursive call 
+                goto END;
+        char* nameCPtr=maybeName.value.VoidPtr;
+        try(ReadValue(NULL), val, {
+            Hashtable_free(dict);
+            free(nameCPtr);
+        }) {
+            if(partOfDollarList){
+                partOfDollarList=false;
+                Autoarr(Unitype)* list;
+                Unitype lu;
+                if(Hashtable_tryGet(dict,nameCPtr, &lu)){
+                    list=(Autoarr(Unitype)*)lu.VoidPtr;
+                    // Key is not used in that case, because it is already added
+                    // to the table with the first dollar list item.
+                    free(nameCPtr);
+                }
+                else{
+                    list=Autoarr_create(Unitype,ARR_BC,ARR_BL);
+                    Hashtable_add(dict,nameCPtr,UniHeapPtr(Autoarr_Unitype,list));
+                }
+                Autoarr_add(list,val.value);
+            }
+            else Hashtable_add(dict,nameCPtr,val.value);
+        }
+    }
+
+    END:
+    *_text=text;
+    return SUCCESS(UniHeapPtr(Hashtable,dict));
+}
+
+Maybe DtsodV24_deserialize(char* _text) {
+    return __deserialize(&_text, false);
+}
--- a/kerep/src/DtsodParser/DtsodV24_serialize.c
+++ b/kerep/src/DtsodParser/DtsodV24_serialize.c
@@ -0,0 +1,130 @@
+#include "DtsodV24.h"
+#include "../String/StringBuilder.h"
+
+
+STRUCT(SerializeSharedData,
+    StringBuilder* sh_builder; 
+    u8 sh_tabs;
+)
+#define b shared->sh_builder
+#define tabs shared->sh_tabs
+
+Maybe __serialize(StringBuilder* _b, u8 _tabs, Hashtable* dtsod);
+
+#define addc(C) StringBuilder_append_char(b,C)
+
+
+void __AppendTabs(SerializeSharedData* shared) {
+    for (u8 t = 0; t < tabs; t++)
+        addc( '\t');
+};
+#define AppendTabs() __AppendTabs(shared)
+
+Maybe __AppendValue(SerializeSharedData* shared, Unitype u);
+#define AppendValue(UNI) __AppendValue(shared, UNI)
+Maybe __AppendValue(SerializeSharedData* shared, Unitype u){
+    if(u.typeId==ktid_name(i64)){
+        StringBuilder_append_i64(b,u.Int64);
+    }
+    else if(u.typeId==ktid_name(u64)){
+        StringBuilder_append_u64(b,u.UInt64);
+        addc('u');
+    }
+    else if(u.typeId==ktid_name(f64)){
+        StringBuilder_append_f64(b,u.Float64);
+        addc('f');
+    }
+    else if(u.typeId==ktid_ptrName(char)){
+        addc('"');
+        char c;
+        while((c=*(char*)(u.VoidPtr++))){
+            if(c=='\"') addc('\\');
+            addc(c);
+        }
+        addc('"');
+    }
+    else if(u.typeId==ktid_name(bool)){
+        StringBuilder_append_cptr(b, u.Bool ? "true" : "false");
+    }
+    else if(Unitype_isUniNull(u)){
+        safethrow("Null isn't supported in DtsodV24",;);
+    }
+    else if(u.typeId==ktid_ptrName(Autoarr_Unitype)){
+        if(Autoarr_length(((Autoarr_Unitype*)(u.VoidPtr)))){
+            addc('\n');
+            AppendTabs();
+            addc('[');
+            tabs++;
+            Autoarr_foreach(((Autoarr_Unitype*)(u.VoidPtr)), e, 
+                addc('\n');
+                AppendTabs();
+                try(AppendValue(e),__,;);
+                addc(',');
+            );
+            StringBuilder_rmchar(b);
+            addc('\n');
+            tabs--;
+            AppendTabs();
+            addc(']');
+        }
+        else {
+            addc('[');
+            addc(']');
+        }
+    }
+    else if(u.typeId==ktid_ptrName(Hashtable)){
+        // check hashtable is blank
+        bool hashtableNotBlank=false;
+        Hashtable_foreach(((Hashtable*)u.VoidPtr), __, 
+            hashtableNotBlank=true;
+            if(__.key) {} // weird way to disable warning
+            break;
+        );
+        
+        if(hashtableNotBlank){
+            addc('\n');
+            AppendTabs();
+            addc('{');
+            addc('\n');
+            try(__serialize(b,tabs+1,u.VoidPtr),___,;);
+            AppendTabs();
+            addc('}');
+        }
+        else {
+            addc('{');
+            addc('}');
+        }
+    }
+    else {
+        dbg((u.typeId)); 
+        safethrow(ERR_WRONGTYPE,;);
+    }
+    return MaybeNull;
+};
+
+Maybe __serialize(StringBuilder* _b, u8 _tabs, Hashtable* dtsod){
+    SerializeSharedData _shared={
+        .sh_builder=_b,
+        .sh_tabs=_tabs
+    };
+    SerializeSharedData* shared=&_shared;
+
+    Hashtable_foreach(dtsod, p, 
+        AppendTabs();
+        StringBuilder_append_cptr(b,p.key);
+        addc(':');
+        addc(' ');
+        try(AppendValue(p.value),__,;);
+        addc(';');
+        addc('\n');
+    );
+
+    return MaybeNull;
+}
+
+Maybe DtsodV24_serialize(Hashtable* dtsod){
+    StringBuilder* sb=StringBuilder_create();
+    try(__serialize(sb,0,dtsod),__, StringBuilder_free(sb));
+    char* str=StringBuilder_build(sb).ptr;
+    return SUCCESS(UniHeapPtr(char, str));
+}
--- a/kerep-headers/DtsodParser/README.md
+++ b/kerep-headers/DtsodParser/README.md
--- a/kerep/src/Filesystem/dir.c
+++ b/kerep/src/Filesystem/dir.c
@@ -0,0 +1,69 @@
+#include "filesystem.h"
+#include "io_includes.h"
+#include "../kprint/kprint.h"
+
+bool dir_exists(const char* path){
+    if(path[0]=='.'){
+        if(path[1]==0 || (path[1]==path_sep && path[1]==0)) 
+            return true; // dir . or ./ always exists
+        // else if(path[1]=='.' && path[2]==path_sep)
+        //TODO path_resolve because windows doesnt recognize .\ pattern
+    }
+#if KFS_USE_WINDOWS_H
+    DWORD dwAttrib = GetFileAttributes(path);
+    return (bool)(
+        (dwAttrib != INVALID_FILE_ATTRIBUTES) && // file exists
+        (dwAttrib & FILE_ATTRIBUTE_DIRECTORY)); // file is a directory
+#else
+    struct stat stats;
+    i32 rez=stat(path, &stats);
+    return (bool)(
+        (rez!=-1) && // file exists
+        (S_ISDIR(stats.st_mode))); // file is a directory
+#endif
+}
+
+Maybe dir_create(const char* path){
+    if (dir_exists(path))
+        return MaybeNull;
+    char* parentDir=path_parentDir(path);
+    dir_create(parentDir);
+    free(parentDir);
+#if KFS_USE_WINDOWS_H
+    if(!CreateDirectory(path, NULL))
+#else
+    if(mkdir(path, 0777) == -1)
+#endif
+    {
+        char err[512];
+        IFWIN(
+            sprintf_s(err, 512, "can't create dicectory <%s>", path),
+            sprintf(err, "can't create dicectory <%s>", path));
+        safethrow(err,;);
+    }
+
+    return MaybeNull;
+}
+
+Maybe dir_delete(const char* path){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+Maybe dir_getFiles(const char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+Maybe dir_getDirs(const char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+Maybe dir_findFiles(const char* path, char* searchPattern, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+Maybe dir_findDirs(const char* path, char* searchPattern, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
--- a/kerep-headers/Filesystem/dir.h
+++ b/kerep-headers/Filesystem/dir.h
@@ -13,14 +13,14 @@ Maybe dir_create(const char* path);
 ///@return Maybe<void>
 Maybe dir_delete(const char* path);

-///@return Maybe<Array_string>
+///@return Maybe<char**>
 Maybe dir_getFiles(const char* path, bool recursive);
-///@return Maybe<Array_string>
+///@return Maybe<char**>
 Maybe dir_getDirs(const char* path, bool recursive);

-///@return Maybe<Array_string>
+///@return Maybe<char**>
 Maybe dir_findFiles(const char* path, char* searchPattern, bool recursive);
-///@return Maybe<Array_string>
+///@return Maybe<char**>
 Maybe dir_findDirs(const char* path, char* searchPattern, bool recursive);

 #if __cplusplus
--- a/kerep/src/Filesystem/file.c
+++ b/kerep/src/Filesystem/file.c
@@ -0,0 +1,138 @@
+#include "filesystem.h"
+#include "../String/StringBuilder.h"
+#include "io_includes.h"
+
+void __file_freeMembers(void* _f){ fclose((FileHandle)_f); }
+
+kt_define(FileHandle, __file_freeMembers, NULL)
+
+bool file_exists(const char* path){
+    if(path[0]=='.'){
+        if(path[1]==0 || (path[1]==path_sep && path[2]==0))
+            return false; // . or ./ is not a file
+        // else if(path[1]=='.' && path[2]==path_sep)
+        //TODO path_resolve because windows doesnt recognize .\ pattern
+    }
+
+#if KFS_USE_WINDOWS_H
+    DWORD dwAttrib = GetFileAttributes(path);
+    return (bool)(
+        (dwAttrib != INVALID_FILE_ATTRIBUTES) && // file exists
+        !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY)); // file is not directory
+#else
+    struct stat stats;
+    i32 rez=stat(path, &stats);
+    return (bool)(
+        (rez!=-1) && // file exists
+        !(S_ISDIR(stats.st_mode))); // file is not directory
+#endif
+}
+
+Maybe file_delete(const char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+char* FileOpenMode_toStr(FileOpenMode m){
+    char* p;
+    switch(m){
+        case FileOpenMode_Read: p="rb"; break;
+        case FileOpenMode_Write: p="wb"; break;
+        case FileOpenMode_Append: p="ab"; break;
+        case FileOpenMode_ReadWrite: p="wb+"; break;
+        case FileOpenMode_ReadAppend: p="ab+"; break;
+        default:
+            dbg(m);
+            throw(ERR_UNEXPECTEDVAL);
+    }
+    return p;
+}
+
+Maybe file_open(const char* path, FileOpenMode mode){
+    FileHandle file=fopen(path, FileOpenMode_toStr(mode));
+    if(!file)
+        safethrow(cptr_concat("can't open file ", (char*)path),;);
+    return SUCCESS(UniHeapPtr(FileHandle,file));
+}
+
+Maybe file_close(FileHandle file){
+    if(!file)
+        safethrow(ERR_NULLPTR,;);
+    if(fclose(file))
+        safethrow(ERR_IO,;);
+    return MaybeNull;
+}
+
+#define ioWriteCheck() \
+    if(rezult==EOF) \
+        safethrow(ERR_IO_EOF,;); \
+    if(rezult!=0) \
+        safethrow(ERR_IO,;);
+
+Maybe file_writeChar(FileHandle file, char byte){
+    i32 rezult=fputc(byte, file);
+    ioWriteCheck();
+    return MaybeNull;
+}
+
+Maybe file_writeBuffer(FileHandle file, char* buffer, u64 length){
+    i32 rezult=0;
+    for(u64 i=0; i<length && !rezult; i++)
+        rezult=fputc(buffer[i], file);
+    ioWriteCheck();
+    return MaybeNull;
+}
+
+Maybe file_writeCptr(FileHandle file, char* cptr){
+    i32 rezult=fputs(cptr, file);
+    ioWriteCheck();
+    return MaybeNull;
+}
+
+
+Maybe file_readChar(FileHandle file){
+    i32 rezult=fgetc(file);
+    if(feof(file)) safethrow(ERR_IO_EOF,;);
+    if(ferror(file)) safethrow(ERR_IO,;);
+    return SUCCESS(UniUInt64(rezult));
+}
+
+Maybe file_readBuffer(FileHandle file, char* buffer, u64 length){
+    i32 rezult=0;
+    u64 i=0;
+    for(; i<length && rezult!=EOF; i++){
+        rezult=fgetc(file);
+        buffer[i]=(char)rezult;
+    }
+    if(ferror(file)) safethrow(ERR_IO,;);
+    return SUCCESS(UniUInt64(i));
+}
+
+Maybe file_readAll(FileHandle file, char** allBytes){
+    i32 rezult=0;
+    char buffer[256];
+    string bufStr={.ptr=buffer, .length=sizeof(buffer)};
+    StringBuilder* sb=StringBuilder_create();
+    u64 i=0;
+    while(true){
+        rezult=fgetc(file);
+        if(rezult==EOF){
+            if(ferror(file)) 
+                safethrow(ERR_IO, StringBuilder_free(sb));
+            break;
+        }
+        buffer[i%sizeof(buffer)]=(char)rezult;
+        i++;
+        if(!(i%sizeof(buffer)))
+            StringBuilder_append_string(sb,bufStr);
+    }
+    bufStr.length=i%sizeof(buffer);
+    if(bufStr.length!=0)
+        StringBuilder_append_string(sb,bufStr);
+    string str=StringBuilder_build(sb);
+    *allBytes=str.ptr;
+    // i dont know how can it happen, but if it will have, it will be very dangerous
+    if(i!=str.length) 
+        throw(ERR_UNEXPECTEDVAL);
+    return SUCCESS(UniUInt64(i));
+}
--- a/kerep-headers/Filesystem/file.h
+++ b/kerep-headers/Filesystem/file.h
--- a/kerep-headers/Filesystem/filesystem.h
+++ b/kerep-headers/Filesystem/filesystem.h
--- a/kerep-headers/Filesystem/io_includes.h
+++ b/kerep-headers/Filesystem/io_includes.h
--- a/kerep/src/Filesystem/path.c
+++ b/kerep/src/Filesystem/path.c
@@ -0,0 +1,84 @@
+#include "filesystem.h"
+
+char* __path_concat(u32 n, ...){
+    char** parts=(char**)malloc(n*sizeof(char*));
+    u32* lengths=malloc(n*sizeof(u32));
+    u32 totalLength=0;
+
+    // reading args from va_list
+    va_list vl;
+    va_start(vl, n);
+    for(u16 i=0; i<n; i++){
+        char* part=va_arg(vl,char*);
+        i16 length=cptr_length(part);
+        parts[i]=part;
+        lengths[i]=length;
+        totalLength+=length;
+    }
+    va_end(vl);
+
+    // allocating memory for output value
+    char* totality=malloc(totalLength+1);
+    const char* output=totality;
+    totality[totalLength]=0;
+    
+    // copying content of all strings to rezult
+    u16 k=0;
+    for(; k<n-1; k++){
+        memcopy(parts[k], totality, lengths[k]);
+        totality+=lengths[k];
+        *totality=path_sep;
+        totality++;
+    }
+    memcopy(parts[k], totality, lengths[k]);
+
+    free(parts);
+    free(lengths);
+    return output;
+}
+
+char* path_fixSeparators(const char* path){
+    char* pathCopy=cptr_copy(path);
+    char c;
+    while((c=*pathCopy)){
+        if(c==path_notSep)
+            *pathCopy=path_sep;
+        pathCopy++;
+    }
+    return pathCopy;
+}
+
+Maybe path_throwIfEscapes(const char* path){
+    if(cptr_contains(path,".."))
+        safethrow(cptr_concat("path <",path,"> uses <..>, that's not allowed"),);
+    return MaybeNull;
+}
+
+char* path_parentDir(char* dir){
+    char* copy=cptr_copy(dir);
+    i32 length=cptr_length(copy);
+    i32 i=cptr_lastIndexOfChar(copy,path_sep);
+    if(i!=-1 && i==length-1){
+        copy[length-1]=0;
+        i=cptr_lastIndexOfChar(copy,path_sep);
+    }
+    if(i==-1){
+        free(copy);
+        copy=malloc(2);
+        copy[0]='.';
+        copy[1]=0;
+    }
+    return copy;
+}
+
+
+char* path_basename(char* path, bool with_extension){
+    i32 nameIndex=cptr_lastIndexOfChar(path, path_sep)+1;
+    string rezult=string_fromCptr(path+nameIndex);
+    if(!with_extension){
+        i32 extIndex=cptr_lastIndexOfChar(rezult.ptr, '.');
+        if(extIndex!=0 && extIndex!=-1)
+            rezult.length=extIndex;
+    }
+    return string_extract(rezult);
+}
--- a/kerep-headers/Filesystem/path.h
+++ b/kerep-headers/Filesystem/path.h
--- a/kerep/src/HashFunctions/hash.c
+++ b/kerep/src/HashFunctions/hash.c
@@ -0,0 +1,111 @@
+#include "hash.h"
+
+u32 hash_sdbm32(u32 oldhash, void* buf, u32 len){
+    u8* ubuf=(u8*)buf;
+    register u32 hash=oldhash;
+    for (; len ; len--, ubuf++)
+        hash=(hash<<6)+(hash<<16)-hash+*ubuf;
+    return hash;
+}
+
+static const u32 crc_32_tab[]={
+    0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 
+    0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 
+    0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+    0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 
+    0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 
+    0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+    0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 
+    0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 
+    0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+    0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 
+    0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 
+    0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+    0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 
+    0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 
+    0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+    0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 
+    0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 
+    0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+    0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 
+    0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 
+    0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+    0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 
+    0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 
+    0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+    0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 
+    0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 
+    0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+    0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 
+    0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 
+    0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+    0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 
+    0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 
+    0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+    0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 
+    0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 
+    0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+    0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 
+    0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 
+    0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+    0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 
+    0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 
+    0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+    0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 
+    0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 
+    0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+    0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 
+    0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 
+    0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+    0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 
+    0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 
+    0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+    0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 
+    0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 
+    0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+    0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 
+    0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 
+    0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+    0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 
+    0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 
+    0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+    0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 
+    0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 
+    0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+    0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+u32 hash_crc32(u32 oldhash, void* buf, u32 len){
+    u8* ubuf=(u8*)buf;
+    register u32 crc=oldhash;
+    for (; len; --len, ++ubuf)
+        crc=crc_32_tab[(crc^(*ubuf)) & 0xff] ^ (crc>>8);
+    return ~crc;
+}
+
+
+// bool hashf_crc32c(char *name, u32 *crc, long *charcnt) {
+//     register FILE *fin;
+//     register u32 oldcrc32;
+//     register i32 c;
+
+//     oldcrc32 = 0xFFFFFFFF; *charcnt = 0;
+//     if ((fin=fopen(name, "r"))==NULL) {
+//         perror(name);
+//         return false;
+//     }
+//     while ((c=getc(fin))!=EOF) {
+//         ++*charcnt;
+//         oldcrc32 = UPDC32(c, oldcrc32);
+//     }
+
+//     if (ferror(fin)) {
+//         perror(name);
+//         *charcnt = -1;
+//     }
+
+//     fclose(fin);
+
+//     *crc = oldcrc32 = ~oldcrc32;
+//     return true;
+// }
--- a/kerep-headers/HashFunctions/hash.h
+++ b/kerep-headers/HashFunctions/hash.h
--- a/kerep/src/Hashtable/Hashtable.c
+++ b/kerep/src/Hashtable/Hashtable.c
@@ -0,0 +1,133 @@
+#include "Hashtable.h"
+
+kt_define(Hashtable, __Hashtable_free, NULL);
+
+// amount of rows
+static const u16 HT_HEIGHTS[]={17,61,257,1021,4099,16381,65521};
+#define HT_HEIN_MIN 0
+#define HT_HEIN_MAX 6
+
+#define ARR_BC 2
+#define ARR_BL 8
+
+Hashtable* Hashtable_create(){
+    Hashtable* ht=malloc(sizeof(Hashtable));
+    ht->hein=HT_HEIN_MIN;
+    ht->rows=malloc(HT_HEIGHTS[HT_HEIN_MIN]*sizeof(Autoarr(KVPair)*));
+    for(u16 i=0;i<HT_HEIGHTS[HT_HEIN_MIN];i++)
+        ht->rows[i]=Autoarr_create(KVPair,ARR_BC,ARR_BL);
+    return ht;
+}
+
+void __Hashtable_free(void* _ht){
+    Hashtable* ht=_ht;
+    for(u16 i=0;i<HT_HEIGHTS[ht->hein];i++)
+        Autoarr_free(ht->rows[i], true);
+    free(ht->rows);
+}
+void Hashtable_free(Hashtable* ht){
+    __Hashtable_free(ht);
+    free(ht);
+}
+
+u16 Hashtable_height(Hashtable* ht) { return HT_HEIGHTS[ht->hein]; }
+
+
+void Hashtable_expand(Hashtable* ht){
+    if(ht->hein>=HT_HEIN_MAX) throw(ERR_MAXLENGTH);
+
+    Autoarr(KVPair)** newrows=malloc(HT_HEIGHTS[++ht->hein]*sizeof(Autoarr(KVPair)*));
+    for(u16 i=0;i<HT_HEIGHTS[ht->hein];i++)
+        newrows[i]=Autoarr_create(KVPair,ARR_BC,ARR_BL);
+
+    for(u16 i=0;i<HT_HEIGHTS[ht->hein-1];i++){
+        Autoarr(KVPair)* ar=ht->rows[i];
+        u32 arlen=Autoarr_length(ar);
+        for(u32 k=0;k<arlen;k++){
+            KVPair p=Autoarr_get(ar,k);
+            u16 newrown=hashs(hash_sdbm32, p.key)%HT_HEIGHTS[ht->hein];
+            Autoarr(KVPair)* newar=newrows[newrown];
+            Autoarr_add(newar,p);
+        }
+        // there is no need to free array values, because they are copied into new array
+        // so dont replace this incorrect auto-generated function
+        Autoarr_freeWithoutMembers(ar, true);
+    }
+
+    free(ht->rows);
+    ht->rows=newrows;
+}
+
+Autoarr(KVPair)* getrow(Hashtable* ht, char* key, bool can_expand){
+    u32 hash=hashs(hash_sdbm32, key);
+    Autoarr(KVPair)* ar=ht->rows[hash%HT_HEIGHTS[ht->hein]];
+    if(can_expand && Autoarr_length(ar)==Autoarr_max_length(ar))
+        Hashtable_expand(ht);
+    ar=ht->rows[hash%HT_HEIGHTS[ht->hein]];
+    return ar;
+}
+
+/// @param key must be heap allocated
+/// Hashtable_free will free this pointer
+void Hashtable_add(Hashtable* ht, char* key, Unitype u){
+    KVPair p={ .key=key, .value=u };
+    Autoarr_add(getrow(ht,key,true),p);
+}
+
+void Hashtable_addMany(Hashtable* ht, KVPair* pair_array, u32 count){
+    for(u32 i=0; i<count; i++){
+        Hashtable_add(ht, pair_array[i].key, pair_array[i].value);
+    }
+}
+
+// returns null or pointer to value in hashtable
+Unitype* Hashtable_getPtr(Hashtable* ht, char* key){
+    Autoarr(KVPair)* ar=getrow(ht,key,false);
+    u32 arlen=Autoarr_length(ar);
+    for(u32 i=0;i<arlen;i++){
+        KVPair* p=Autoarr_getPtr(ar,i);
+        if(cptr_equals(key,p->key)) return &p->value;
+    }
+    return NULL;
+}
+
+Unitype Hashtable_get(Hashtable* ht, char* key){
+    Autoarr(KVPair)* ar=getrow(ht,key,false);
+    u32 arlen=Autoarr_length(ar);
+    for(u32 i=0;i<arlen;i++){
+        KVPair p=Autoarr_get(ar,i);
+        if(cptr_equals(key,p.key)) return p.value;
+    }
+    return UniNull;
+}
+
+bool Hashtable_tryGet(Hashtable* ht, char* key, Unitype* output){
+    Unitype u=Hashtable_get(ht,key);
+    *output=u;
+    return !Unitype_isUniNull(u);
+}
+
+
+bool Hashtable_trySet(Hashtable* ht, char* key, Unitype u){
+    Unitype* val=Hashtable_getPtr(ht,key);
+    if(val==NULL)
+        return false;
+    *val=u;
+    return true;
+}
+
+bool Hashtable_tryAdd(Hashtable* ht, char* key, Unitype u){
+    Unitype* val=Hashtable_getPtr(ht,key);
+    if(val==NULL){
+        Hashtable_add(ht, key, u);
+        return true;
+    }
+    return false;
+}
+
+void Hashtable_addOrSet(Hashtable* ht, char* key, Unitype u){
+    Unitype* val=Hashtable_getPtr(ht, key);
+    if(val==NULL)
+        Hashtable_add(ht, key, u); // add
+    else *val=u;   // set
+}
--- a/kerep-headers/Hashtable/Hashtable.h
+++ b/kerep-headers/Hashtable/Hashtable.h
--- a/kerep/src/Hashtable/KeyValuePair.c
+++ b/kerep/src/Hashtable/KeyValuePair.c
@@ -0,0 +1,18 @@
+#include "KeyValuePair.h"
+
+kt_define(KVPair, __KVPair_free, NULL);
+
+Autoarr_define(KVPair, false)
+
+// proper way to clean a KVP
+void KVPair_free(KVPair p){
+    free(p.key);
+    Unitype_free(p.value);
+}
+void __KVPair_free(void* p){ KVPair_free(*(KVPair*)p); }
+
+void printkvp(KVPair p){
+    kprintf("{\"%s\", ",p.key);
+    printuni(p.value);
+    kprintf("}");
+}
--- a/kerep-headers/Hashtable/KeyValuePair.h
+++ b/kerep-headers/Hashtable/KeyValuePair.h
--- a/kerep/src/String/StringBuilder.c
+++ b/kerep/src/String/StringBuilder.c
@@ -0,0 +1,147 @@
+#include "StringBuilder.h"
+
+kt_define(StringBuilder, __StringBuilder_free, NULL);
+
+#define BL_C 32
+#define BL_L 1024
+
+
+void complete_buf(StringBuilder* b){
+    if(!b->compl_bufs) 
+        b->compl_bufs=Autoarr_create(string,BL_C,BL_L);
+    u32 len=Autoarr_length(b->curr_buf);
+    if(!len) return;
+    string str={.length=len, .ptr=malloc(len)};
+    u32 i=0;
+    Autoarr_foreach(b->curr_buf, c, 
+        str.ptr[i++]=c;
+    );
+    Autoarr_add(b->compl_bufs,str);
+    Autoarr_free(b->curr_buf, true);
+    b->curr_buf=Autoarr_create(i8,BL_C,BL_L);
+}
+
+void try_complete_buf(StringBuilder* b){
+    if(b->curr_buf->blocks_count==BL_C)
+        complete_buf(b);
+}
+
+
+StringBuilder* StringBuilder_create(){
+    StringBuilder* b=malloc(sizeof(StringBuilder));
+    b->compl_bufs=NULL;
+    b->curr_buf=Autoarr_create(i8,BL_C,BL_L);
+    return b;
+}
+
+void __StringBuilder_free(void* _b){
+    StringBuilder* b=_b;
+    if(b->compl_bufs) Autoarr_free(b->compl_bufs, true);
+    Autoarr_free(b->curr_buf, true);
+}
+void StringBuilder_free(StringBuilder* b){
+    __StringBuilder_free(b);
+    free(b);
+}
+
+string StringBuilder_build(StringBuilder* b){
+    complete_buf(b);
+    u32 len=0;
+    Autoarr_foreach(b->compl_bufs, cs, 
+        len+=cs.length;
+    );
+    string str= { .length=len, .ptr=malloc(len+1) };
+    str.ptr[len]='\0';
+    u32 i=0;
+    Autoarr_foreach(b->compl_bufs, cs, 
+        for(u32 n=0;n<cs.length;n++)
+            str.ptr[i++]=cs.ptr[n];
+        free(cs.ptr);
+    );
+    StringBuilder_free(b);
+    return str;
+}
+
+
+void StringBuilder_rmchar(StringBuilder* b){
+    if(b->curr_buf->block_length!=0)
+        Autoarr_pop(b->curr_buf)
+    else {
+        if(!b->compl_bufs) throw(ERR_NULLPTR);
+        string* lastcb=Autoarr_getPtr(b->compl_bufs, (Autoarr_length(b->compl_bufs)-1));
+        lastcb->length--;
+    }
+}
+
+
+void StringBuilder_append_char(StringBuilder* b, char c){
+    try_complete_buf(b);
+    Autoarr_add(b->curr_buf,c);
+}
+
+
+void StringBuilder_append_string(StringBuilder* b, string s){
+    complete_buf(b);
+    Autoarr_add(b->compl_bufs, string_copy(s));
+}
+
+void StringBuilder_append_cptr(StringBuilder* b, char* s){
+    string str={
+        .ptr=s, 
+        .length=cptr_length(s)
+    };
+    StringBuilder_append_string(b,str);
+}
+
+void curr_buf_add_string(StringBuilder* b, string s){
+    for(u32 i=0; i<s.length; i++)
+        Autoarr_add(b->curr_buf,s.ptr[i]);
+}
+
+void StringBuilder_append_i64(StringBuilder* b, i64 a){
+    try_complete_buf(b);
+    u8 i=0;
+    if(a==0){
+        Autoarr_add(b->curr_buf,'0');
+        return;
+    }
+    else if(a<0){
+        Autoarr_add(b->curr_buf,'-');
+        a=-a;
+    }
+    char buf[24];
+    while(a!=0){
+        buf[i++]='0'+a%10;
+        a/=10;
+    }
+    string rev=string_reverse((string){buf,i});
+    curr_buf_add_string(b,rev);
+    free(rev.ptr);
+}
+
+void StringBuilder_append_u64(StringBuilder* b, u64 a){
+    try_complete_buf(b);
+    u8 i=0;
+    if(a==0){
+        Autoarr_add(b->curr_buf,'0');
+        return;
+    }
+    char buf[24];
+    while(a!=0){
+        buf[i++]='0'+a%10;
+        a/=10;
+    }
+    string rev=string_reverse((string){buf,i});
+    curr_buf_add_string(b,rev);
+    free(rev.ptr);
+}
+
+void StringBuilder_append_f64(StringBuilder* b, f64 a){
+    try_complete_buf(b);
+    char buf[32];
+    IFMSC(
+        sprintf_s(buf,32,"%lf",a),
+        sprintf(buf,"%lf",a)
+    );
+    curr_buf_add_string(b, (string){.ptr=buf, .length=cptr_length(buf)});
+}
--- a/kerep-headers/String/StringBuilder.h
+++ b/kerep-headers/String/StringBuilder.h
--- a/kerep/src/String/string.c
+++ b/kerep/src/String/string.c
@@ -0,0 +1,47 @@
+#include "string.h"
+
+kt_define(string, NULL, NULL);
+Autoarr_define(string, false);
+
+// copies str content to new char pointer value (adding '\0' at the end)
+char* string_extract(string str){
+    if(str.length==0) return NULL;
+    char* cptr=malloc(str.length*sizeof(char)+1);
+    cptr[str.length]=0;
+    while(str.length-->0)
+        cptr[str.length]=str.ptr[str.length];
+    return cptr;
+}
+
+// copies src.ptr content to new string and adds \0 at the end
+string string_copy(string src){
+    if(!src.ptr)
+        return src;
+    string nstr;
+    nstr.length=src.length;
+    nstr.ptr=malloc(nstr.length+1);
+    for(u32 i=0;i<nstr.length;i++)
+        nstr.ptr[i]=src.ptr[i];
+    nstr.ptr[nstr.length]='\0';
+    return nstr;
+}
+
+// compares two strings, NullPtr-friendly
+bool string_compare(string str0, string str1){
+    if(str0.length!=str1.length) return false;
+    if(!str0.ptr) return str1.ptr ? false : true;
+    else if(!str1.ptr) return false;
+    while(str0.length-->0)
+        if(*str0.ptr++ != *str1.ptr++) 
+            return false;
+    return true;
+}
+
+// creates new string which is reversed variant of <s>
+string string_reverse(string s){
+    if(s.length==0) return s;
+    string r={malloc(s.length), s.length};
+    for(u32 i=0; i<s.length; i++)
+        r.ptr[i]=s.ptr[s.length-i-1];
+    return r;
+}
--- a/kerep-headers/String/string.h
+++ b/kerep-headers/String/string.h
--- a/kerep-headers/base/base.h
+++ b/kerep-headers/base/base.h
--- a/kerep/src/base/cptr.c
+++ b/kerep/src/base/cptr.c
@@ -0,0 +1,217 @@
+#include "base.h"
+#include "../String/StringBuilder.h"
+#include <ctype.h>
+
+// returns length of char buffer (without \0)
+u32 cptr_length(const char* str){
+    const char *const str_first=str;
+    while(*str)
+        str++;
+    return str-str_first;
+}
+
+// allocates new char[] and copies src there
+char* cptr_copy(const char* src){
+    u32 len=cptr_length(src)+1;
+    char* dst=malloc(len);
+    while(len--!=0)
+        dst[len]=src[len];
+    return dst;
+}
+
+// multiplies char n times
+char* char_multiply(char c, u32 n){
+    char* rez=malloc(n+1);
+    rez[n]=0;
+    while(n--!=0)
+        rez[n]=c;
+    return rez;
+}
+
+bool cptr_equals(const char* key0, const char* key1){
+    char c0=*key0;
+    char c1=*key1;
+    bool eq=c0==c1;
+    while(c0 && c1 && eq) {
+        c0=*++key0;
+        c1=*++key1;
+        eq=c0==c1;
+    }
+    return eq;
+}
+
+bool cptr_startsWith(const char* src, const char* fragment){
+    char c0=*src;
+    char c1=*fragment;
+    bool eq=c0==c1 && c0 !=0 && c1!=0;
+    while(c0 && c1 && eq) {
+        c0=*++src;
+        c1=*++fragment;
+        eq=c0==c1;
+        if(c1==0)
+            return true;
+    }
+    return eq;
+}
+
+bool cptr_endsWith(const char* src, const char* fragment){
+    u32 src_len=cptr_length(src);
+    u32 fr_len=cptr_length(fragment);
+    if(src_len<fr_len || src_len==0 || fr_len==0)
+        return false;
+    src+=src_len-fr_len;
+    return cptr_equals(src, fragment);
+}
+
+
+i32 cptr_seek(const char* src, const char* fragment, u32 startIndex, u32 seekLength){
+    char sc=*src, fc=*fragment;
+    if(sc==0 || fc==0)
+        return -1;
+    u32 fr_start=startIndex;
+    for(u32 si=startIndex; si-startIndex<seekLength && sc!=0; si++){
+        sc=src[si];
+        fc=fragment[si-fr_start];
+        if(fc==0)
+            return fr_start;
+        if(sc!=fc)
+            fr_start++;
+    }
+    return -1;
+}
+
+i32 cptr_seekReverse(const char* src, const char* fragment, u32 startIndex, u32 seekLength){
+    char sc=*src, fc=*fragment;
+    if(sc==0 || fc==0)
+        return -1;
+    i32 len=cptr_length(src);
+    if(startIndex==(u32)-1)
+        startIndex=len-1;
+    u32 fr_len=cptr_length(fragment);
+    for(u32 si=startIndex; si<(u32)-1 && si!=len-1-seekLength; si--){
+        if(si+1<fr_len)
+            return -1;
+        sc=src[si];
+        fc=fragment[0];
+        u32 fr_start=si;
+        for(u32 fi=0; fc==sc ; fi++){
+            if(fi==fr_len)
+                return fr_start;
+            fc=fragment[fi];
+            sc=src[si--];
+        }
+    }
+    return -1;
+}
+
+i32 cptr_seekChar(const char* src, char fragment, u32 startIndex, u32 seekLength){
+    char sc=*src;
+    if(sc==0 || fragment==0)
+        return -1;
+    for(u32 si=startIndex; si-startIndex<seekLength && sc!=0; si++){
+        sc=src[si];
+        if(sc==fragment)
+            return si;
+    }
+    return -1;
+}
+
+i32 cptr_seekCharReverse(const char* src, char fragment, u32 startIndex, u32 seekLength){
+    char sc=*src;
+    if(sc==0 || fragment==0)
+        return -1;
+    i32 len=cptr_length(src);
+    if(startIndex==(u32)-1)
+        startIndex=len-1;
+    for(u32 si=startIndex; si<(u32)-1 && si!=len-1-seekLength; si--){
+        sc=src[si];
+        if(sc==fragment)
+            return si;
+    }
+    return -1;
+}
+
+void memcopy(void* from, void* to, u32 size){
+    if(from==NULL || to==NULL)
+        throw(ERR_NULLPTR);
+    for(u32 i=0; i<size; i++)
+        ((char*)to)[i]=((char*)from)[i];
+}
+
+char* __cptr_concat(u32 n, ...){
+    char** strs=(char**)malloc(n*sizeof(char*));
+    u32* lengths=malloc(n*sizeof(u32));
+    u32 totalLength=0;
+
+    // reading args from va_list
+    va_list vl;
+    va_start(vl, n);
+    for(u16 i=0; i<n; i++){
+        char* str=va_arg(vl,char*);
+        i16 length=cptr_length(str);
+        strs[i]=str;
+        lengths[i]=length;
+        totalLength+=length;
+    }
+    va_end(vl);
+
+    // allocating memory for output value
+    char* totality=malloc(totalLength+1);
+    char* output=totality;
+    totality[totalLength]=0;
+    
+    // copying content of all strings to rezult
+    for(u16 k=0; k<n; k++){
+        memcopy(strs[k], totality, lengths[k]);
+        totality+=lengths[k];
+    }
+    
+    free(strs);
+    free(lengths);
+    return output;
+}
+
+char* cptr_toLower(const char* src) {
+    u32 length=cptr_length(src);
+    char *p=malloc(length+1);
+    p[length]=0;
+    for(u32 i=0; i<length; i++)
+        p[i]=tolower(src[i]);
+    return p;
+}
+
+char* cptr_toUpper(const char* src) {
+    u32 length=cptr_length(src);
+    char *p=malloc(length+1);
+    p[length]=0;
+    for(u32 i=0; i<length; i++)
+        p[i]=toupper(src[i]);
+    return p;
+}
+
+char* cptr_replaceCharIn(const char* src, char c_old, char c_new, u32 startIndex, u32 seekLength){
+    char* rzlt=cptr_copy(src);
+    for(u32 i=startIndex; i!=seekLength && src[i]!=0; i++){
+        if(src[i]==c_old)
+            rzlt[i]=c_new;
+    }
+    return rzlt;
+}
+
+char* cptr_replaceIn(const char* src, const char* str_old, const char* str_new, u32 startIndex, u32 seekLength){
+    StringBuilder* sb=StringBuilder_create();
+    const u32 str_old_len=cptr_length(str_old);
+    const u32 str_new_len=cptr_length(str_new);
+    i32 i=startIndex;
+    while( (i=cptr_seek(src, str_old, startIndex, seekLength)) !=-1 ){
+        if(i!=0)
+            StringBuilder_append_string(sb, (string){.ptr=(char*)src, .length=i});
+        StringBuilder_append_string(sb, (string){.ptr=str_new, .length=str_new_len});
+        src+=i+str_old_len;
+    }
+    u32 src_remains_len=cptr_length(src);
+    if(src_remains_len>0)
+        StringBuilder_append_string(sb, (string){.ptr=(char*)src, .length=src_remains_len});
+    string rezult=StringBuilder_build(sb);
+    return rezult.ptr;
+}
--- a/kerep-headers/base/cptr.h
+++ b/kerep-headers/base/cptr.h
--- a/kerep/src/base/endian.c
+++ b/kerep/src/base/endian.c
@@ -0,0 +1,13 @@
+#include "endian.h"
+
+static const union
+{
+    u16 number;
+    Endian bytes[2];
+} _endian_union={ .number=0x0102 };
+
+Endian getEndian(){
+    // if 0x0102 == { 1, 2 } then BigEndian
+    // if 0x0102 == { 2, 1 } then LittleEndian
+    return _endian_union.bytes[1];
+}
--- a/kerep-headers/base/endian.h
+++ b/kerep-headers/base/endian.h
--- a/kerep/src/base/errors.c
+++ b/kerep/src/base/errors.c
@@ -0,0 +1,59 @@
+#include "std.h"
+#include "errors.h"
+#include "cptr.h"
+#include "../kprint/kprintf.h"
+
+char* errname(ErrorId err){
+    switch(err){
+        case SUCCESS: return nameof(SUCCESS);
+        case ERR_MAXLENGTH: return nameof(ERR_MAXLENGTH);
+        case ERR_WRONGTYPE: return nameof(ERR_WRONGTYPE);
+        case ERR_WRONGINDEX: return nameof(ERR_WRONGINDEX);
+        case ERR_NOTIMPLEMENTED: return nameof(ERR_NOTIMPLEMENTED);
+        case ERR_NULLPTR: return nameof(ERR_NULLPTR);
+        case ERR_ENDOFSTR: return nameof(ERR_ENDOFSTR);
+        case ERR_KEYNOTFOUND: return nameof(ERR_KEYNOTFOUND);
+        case ERR_FORMAT: return nameof(ERR_FORMAT);
+        case ERR_UNEXPECTEDVAL: return nameof(ERR_UNEXPECTEDVAL);
+        case ERR_IO: return nameof(ERR_IO);
+        case ERR_IO_EOF: return nameof(ERR_IO_EOF);
+        default: return "UNKNOWN_ERROR";
+    }
+}
+
+#define ERRMSG_MAXLENGTH 1024
+
+char* __genErrMsg(const char* errmsg, const char* srcfile, i32 line, const char* funcname){
+    size_t bufsize=ERRMSG_MAXLENGTH;
+    char* rezult=malloc(bufsize);
+    IFMSC(
+        sprintf_s(rezult,bufsize,"[%s:%d] %s() throwed error: %s",srcfile,line,funcname,errmsg),
+        sprintf(rezult,"[%s:%d] %s() throwed error: %s",srcfile,line,funcname,errmsg)
+    );
+    return rezult;
+}
+
+char* __extendErrMsg(const char* errmsg, const char* srcfile, i32 line, const char* funcname){
+    size_t bufsize=cptr_length(errmsg)+ERRMSG_MAXLENGTH;
+    char* rezult=malloc(bufsize);
+    IFMSC(
+        sprintf_s(rezult,bufsize,"%s\n \\___[%s:%d] %s()",errmsg,srcfile,line,funcname),
+        sprintf(rezult,"%s\n \\___[%s:%d] %s()",errmsg,srcfile,line,funcname)
+    );
+    free(errmsg);
+    return rezult;
+}
+
+void Maybe_free(Maybe e){
+    free(e.errmsg);
+    Unitype_free(e.value);
+}
+
+void printMaybe(Maybe e){
+    if(e.errmsg) kprintf("%s\n",e.errmsg);
+    else printuni(e.value);
+}
+
+char* __doNothing(char* a) {return a;}
+
+char* __unknownErr() {return "UNKNOWN ERROR";}
--- a/kerep-headers/base/errors.h
+++ b/kerep-headers/base/errors.h
--- a/kerep-headers/base/optime.h
+++ b/kerep-headers/base/optime.h
--- a/kerep-headers/base/std.h
+++ b/kerep-headers/base/std.h
@@ -38,6 +38,10 @@ typedef u8 bool;
 #define false 0
 #endif

+#ifndef typeof
+#define typeof __typeof__
+#endif
+
 #define dbg(N) kprintf("\e[95m%d\n",N)

 #define nameof(V) #V
--- a/kerep-headers/base/type_system/README.md
+++ b/kerep-headers/base/type_system/README.md
--- a/kerep/src/base/type_system/base_toString.c
+++ b/kerep/src/base/type_system/base_toString.c
@@ -0,0 +1,238 @@
+#include "base_toString.h"
+#include "../base.h"
+#include "../../kprint/kprint_format.h"
+
+
+// accepts char* (ptr to char) and char* (ptr to string)
+// uses format kp_s and kp_c to determine what type is <c> argument
+char* __toString_char(void* c, u32 fmt) {
+    // *c=char*
+    if(kp_fmt_dataFormat(fmt)==kp_s){
+        return cptr_copy((char*)c); // to avoid segmentation fault on free() when *c allocalet on stack
+    }
+    // *c=char
+    if(kp_fmt_dataFormat(fmt)==kp_c){
+        char* cc=malloc(2); 
+        cc[0]=*(char*)c;
+        cc[1]=0;
+        return cc;
+    }
+    else throw(ERR_FORMAT);
+}
+
+char* __toString_bool(void* c, u32 fmt) {
+    static const char _strbool[4][6]={ "false", "true\0", "False", "True\0" };
+    u8 strind=*(bool*)c==1 + kp_fmt_isUpper(fmt)*2;
+    char* rez=malloc(6);
+    rez[0]=_strbool[strind][0];
+    rez[1]=_strbool[strind][1];
+    rez[2]=_strbool[strind][2];
+    rez[3]=_strbool[strind][3];
+    rez[4]=_strbool[strind][4];
+    rez[5]=0;
+    return rez;
+}
+
+char* toString_i64(i64 n){
+    i64 d=n<0 ? -1*n : n;
+    char str[32];
+    u8 i=sizeof(str);
+    str[--i]=0;
+    if(d==0)
+        str[--i]='0';
+    else while(d!=0){
+        str[--i]='0' + d%10;
+        d/=10;
+    }
+    if(n<0)
+        str[--i]='-';
+    return cptr_copy((char*)str+i);
+}
+
+char* toString_u64(u64 n, bool withPostfix, bool uppercase){
+    char str[32];
+    u8 i=sizeof(str);
+    str[--i]=0;
+    if(withPostfix)
+        str[--i]= uppercase ? 'U' : 'u';
+    if(n==0)
+        str[--i]='0';
+    else while(n!=0){
+        str[--i]='0' + n%10;
+        n/=10;
+    }
+    return cptr_copy((char*)str+i);
+}
+
+#define _toString_float_impl(bufsize, maxPrecision) { \
+    char str[bufsize]; \
+    if(precision>maxPrecision) \
+        throw("too big precision"); \
+    if(precision==0) \
+        precision=toString_float_default_precision; \
+    i32 cn=IFMSC( \
+        sprintf_s(str, bufsize, "%.*f", precision, n), \
+        sprintf(str, "%.*f", precision, n) \
+    ); \
+    /* remove trailing zeroes except .0*/ \
+    while(str[cn-1]=='0' && str[cn-2]!='.') \
+        cn--; \
+    if(withPostfix) \
+        str[cn++]= uppercase ? 'F' : 'f'; \
+    str[cn]='\0'; \
+    return cptr_copy(str); \
+}
+
+char* toString_f32(f32 n, u8 precision, bool withPostfix, bool uppercase)
+    _toString_float_impl(48, toString_f32_max_precision)
+
+char* toString_f64(f64 n, u8 precision, bool withPostfix, bool uppercase)
+    _toString_float_impl(512, toString_f64_max_precision)
+
+#define byte_to_bits(byte) { \
+    str[cn++]='0' + (u8)((byte>>7)&1); /* 8th bit */ \
+    str[cn++]='0' + (u8)((byte>>6)&1); /* 7th bit */ \
+    str[cn++]='0' + (u8)((byte>>5)&1); /* 6th bit */ \
+    str[cn++]='0' + (u8)((byte>>4)&1); /* 5th bit */ \
+    str[cn++]='0' + (u8)((byte>>3)&1); /* 4th bit */ \
+    str[cn++]='0' + (u8)((byte>>2)&1); /* 3th bit */ \
+    str[cn++]='0' + (u8)((byte>>1)&1); /* 2th bit */ \
+    str[cn++]='0' + (u8)((byte>>0)&1); /* 1th bit */ \
+}
+
+char* toString_bin(void* _bytes, u32 size, bool inverse, bool withPrefix){
+    char* bytes=_bytes;
+    char* str=malloc(size*8 + (withPrefix?2:0) +1);
+    u32 cn=0; // char number
+    if(withPrefix){
+        str[cn++]='0';
+        str[cn++]='b';
+    }
+    if(inverse){
+        // byte number
+        for(i32 bn=size-1; bn>=0; bn--)
+            byte_to_bits(bytes[bn])
+    } else {
+        for(u32 bn=0; bn<size; bn++)
+            byte_to_bits(bytes[bn])
+    }
+    str[cn]=0;
+    return str;
+}
+
+// converts number from 0 to F to char
+char _4bitsHex(u8 u, bool uppercase){
+    switch(u){
+        case 0: case 1: case 2: case 3: case 4:
+        case 5: case 6: case 7: case 8: case 9:
+            return '0'+u;
+        case 0xA: case 0xB: case 0xC: 
+        case 0xD: case 0xE: case 0xF:
+            return (uppercase ? 'A' : 'a') + u -10;
+        default: 
+            dbg(u);
+            throw("incorrect number");
+            return 219;
+    }
+}
+
+char* toString_hex(void* _bytes, u32 size, bool inverse, bool withPrefix, bool uppercase){
+    char* bytes=_bytes;
+    char* str=malloc(size*2 + (withPrefix?2:0) + 1);
+    u32 cn=0; // char number
+    if(withPrefix){
+        str[cn++]='0';
+        str[cn++]='x';
+    }
+    // left to right
+    if(inverse){
+        // byte number
+        for(i32 bn=size-1; bn>=0; bn--){ 
+            unsigned char byte=bytes[bn];
+            str[cn++]=_4bitsHex(byte/16, uppercase);
+            str[cn++]=_4bitsHex(byte%16, uppercase);
+        }
+    }
+    // right to left
+    else {
+        for(u32 bn=0; bn<size; bn++){ // byte number
+            unsigned char byte=bytes[bn];
+            str[cn++]=_4bitsHex(byte/16, uppercase);
+            str[cn++]=_4bitsHex(byte%16, uppercase);
+        }
+    }
+    str[cn]=0;
+    return str;
+}
+
+
+#define __toString_i32_def(BITS) char* __toString_i##BITS(void* _n, u32 f){ \
+    switch(kp_fmt_dataFormat(f)){ \
+        case kp_i: ; \
+            i##BITS n=*(i##BITS*)_n; \
+            return toString_i64(n); \
+        case kp_b: \
+            return toString_bin(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f)); \
+        case kp_h: \
+            return toString_hex(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f), kp_fmt_isUpper(f)); \
+        default: \
+            kprintf("\n%u\n", kp_fmt_dataFormat(f)); \
+            throw(ERR_FORMAT); \
+            return NULL; \
+    } \
+}
+__toString_i32_def(8)
+__toString_i32_def(16)
+__toString_i32_def(32)
+__toString_i32_def(64)
+
+#define __toString_u_def(BITS) char* __toString_u##BITS(void* _n, u32 f){ \
+    switch(kp_fmt_dataFormat(f)){ \
+        case kp_u: ; \
+            u##BITS n=*(u##BITS*)_n; \
+            return toString_u64(n, kp_fmt_withPostfix(f), kp_fmt_isUpper(f)); \
+        case kp_b: \
+            return toString_bin(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f)); \
+        case kp_h: \
+            return toString_hex(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f), kp_fmt_isUpper(f)); \
+        default: \
+            kprintf("\n%u\n", kp_fmt_dataFormat(f)); \
+            throw(ERR_FORMAT); \
+            return NULL; \
+    } \
+}
+__toString_u_def(8)
+__toString_u_def(16)
+__toString_u_def(32)
+// __toString_u_def(64)
+char* __toString_u64(void* _n, u32 f){
+    switch(kp_fmt_dataFormat(f)){ 
+        case kp_u: ; 
+            u64 n=*(u64*)_n; 
+            return toString_u64(n, kp_fmt_withPostfix(f), kp_fmt_isUpper(f)); 
+        case kp_b: 
+            return toString_bin(_n, 64/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f)); 
+        case kp_h: 
+            return toString_hex(_n, 64/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f), kp_fmt_isUpper(f)); 
+        default: 
+            kprintf("\n%u\n", kp_fmt_dataFormat(f)); throw(ERR_FORMAT); return NULL; } 
+}
+
+#define __toString_float_def(BITS) char* __toString_f##BITS(void* _n, u32 f){ \
+    switch(kp_fmt_dataFormat(f)){ \
+        case kp_f: ; \
+            f##BITS n=*(f##BITS*)_n; \
+            return toString_f64(n, toString_float_default_precision, kp_fmt_withPostfix(f), kp_fmt_isUpper(f)); \
+        case kp_b: \
+            return toString_bin(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f)); \
+        case kp_h: \
+            return toString_hex(_n, BITS/8, getEndian()==LittleEndian, kp_fmt_withPrefix(f), kp_fmt_isUpper(f)); \
+        default: \
+            kprintf("\n%u\n", kp_fmt_dataFormat(f)); \
+            throw(ERR_FORMAT); \
+            return NULL; \
+    } \
+}
+
+__toString_float_def(32)
+__toString_float_def(64)
--- a/kerep-headers/base/type_system/base_toString.h
+++ b/kerep-headers/base/type_system/base_toString.h
--- a/kerep/src/base/type_system/init.c
+++ b/kerep/src/base/type_system/init.c
@@ -0,0 +1,65 @@
+#include "../base.h"
+#include "../../Autoarr/Autoarr.h"
+#include "../../Hashtable/Hashtable.h"
+#include "../../String/StringBuilder.h"
+#include "../../Filesystem/filesystem.h"
+#include "base_toString.h"
+
+void kt_initKerepTypes(){
+    // base types
+    kt_register(Pointer);
+    if(ktid_Pointer!=0) // this can break UnitypeNull
+        throw("ktid_Pointer!=0, you must init kerep types before any other types");
+
+    kt_register(char);
+    kt_register(bool);
+    kt_register(f32);
+    kt_register(f64);
+    kt_register(i8);
+    kt_register(u8);
+    kt_register(i16);
+    kt_register(u16);
+    kt_register(i32);
+    kt_register(u32);
+    kt_register(i64);
+    kt_register(u64);
+    
+    // ktDescriptor
+    kt_register(ktDescriptor);
+
+    // base type autoarrs
+    kt_register(Autoarr_Pointer);
+    kt_register(Autoarr_char);
+    kt_register(Autoarr_bool);
+    kt_register(Autoarr_f32);
+    kt_register(Autoarr_f64);
+    kt_register(Autoarr_i8);
+    kt_register(Autoarr_u8);
+    kt_register(Autoarr_i16);
+    kt_register(Autoarr_u16);
+    kt_register(Autoarr_i32);
+    kt_register(Autoarr_u32);
+    kt_register(Autoarr_i64);
+    kt_register(Autoarr_u64);
+
+    // Unitype
+    kt_register(Unitype);
+    kt_register(Autoarr_Unitype);
+
+    // KeyValuePair
+    kt_register(KVPair);
+    kt_register(Autoarr_KVPair);
+
+    // Hashtable
+    kt_register(Hashtable);
+
+    // string
+    kt_register(string);
+    kt_register(Autoarr_string);
+
+    // StringBuilder
+    kt_register(StringBuilder);
+
+    //File
+    kt_register(FileHandle);
+}
--- a/kerep-headers/base/type_system/init.h
+++ b/kerep-headers/base/type_system/init.h
--- a/kerep-headers/base/type_system/ktDescriptor.h
+++ b/kerep-headers/base/type_system/ktDescriptor.h
--- a/kerep/src/base/type_system/kt_functions.c
+++ b/kerep/src/base/type_system/kt_functions.c
@@ -0,0 +1,90 @@
+#include "../../Autoarr/Autoarr.h"
+#include "type_system.h"
+#include "base_toString.h"
+
+kt_define(Pointer, NULL, __toString_u64);
+kt_define(char,NULL, __toString_char);
+kt_define(bool,NULL, __toString_bool);
+kt_define(f32, NULL, __toString_f32);
+kt_define(f64, NULL, __toString_f64);
+kt_define(i8,  NULL, __toString_i8);
+kt_define(u8,  NULL, __toString_u8);
+kt_define(i16, NULL, __toString_i16);
+kt_define(u16, NULL, __toString_u16);
+kt_define(i32, NULL, __toString_i32);
+kt_define(u32, NULL, __toString_u32);
+kt_define(i64, NULL, __toString_i64);
+kt_define(u64, NULL, __toString_u64);
+
+
+char* ktDescriptor_toString(ktDescriptor* d){
+    const char* n="null";
+    char *s0 = toString_u64(d->id, 0,0);
+    char *s1 = toString_u64(d->size, 0,0);
+    char *s2 = d->toString ? toString_hex(d->toString, sizeof(void*), 0,1,0) : n;
+    char *s3 = d->freeMembers ? toString_hex(d->freeMembers, sizeof(void*), 0,1,0) : n;
+    char *rez=cptr_concat("ktDescriptor {"
+        " name:", d->name,
+        " id:",s0,
+        " size:",s1,
+        " toString:",s2,
+        " freeMembers:",s3,
+        " }");
+    free(s0);
+    free(s1);
+    if(s2!=n) free(s2);
+    if(s3!=n) free(s3);
+    return rez;
+}
+
+char* _ktDescriptor_toString(void* _d, u32 fmt) { return ktDescriptor_toString(_d); }
+
+kt_define(ktDescriptor, NULL, _ktDescriptor_toString);
+
+typedef ktDescriptor* ktDescriptor_Ptr;
+
+// type descriptors are stored here during initialization 
+Autoarr(Pointer)* __descriptorPointers=NULL;
+// here type descriptors are stored when initialization is complited
+ktDescriptor** typeDescriptors=NULL;
+ktid ktid_last=-1;
+
+ENUM(ktDescriptorsState,
+    NotInitialized, Initializing, Initialized
+)
+ktDescriptorsState initState=NotInitialized;
+
+void kt_beginInit(){
+#if DEBUG
+    kprintf("\e[94mtype descriptors initializing...\n");
+#endif
+    __descriptorPointers=Autoarr_create(Pointer, 256, 256);
+}
+
+void kt_endInit(){
+    if(__descriptorPointers==NULL)
+        throw(ERR_NULLPTR);
+    typeDescriptors=(ktDescriptor**)Autoarr_toArray(__descriptorPointers);
+    Autoarr_free(__descriptorPointers,true);
+    if(typeDescriptors==NULL) throw(ERR_NULLPTR);
+#if DEBUG
+    kprintf("\e[92minitialized %u type descriptors\n", ktid_last);
+#endif
+}
+
+void __kt_register(ktDescriptor* descriptor){
+    descriptor->id=++ktid_last;
+    Autoarr_add(__descriptorPointers, descriptor);
+}
+
+ktDescriptor* ktDescriptor_get(ktid id){
+    if(id>ktid_last || id==ktid_undefined) {
+        kprintf("\ntype id: %u\n",id);
+        throw("invalid type id");
+    }
+    return typeDescriptors[id];
+}
+
+void kt_free(){
+    free(typeDescriptors);
+}
--- a/kerep-headers/base/type_system/kt_functions.h
+++ b/kerep-headers/base/type_system/kt_functions.h
--- a/kerep-headers/base/type_system/ktid.h
+++ b/kerep-headers/base/type_system/ktid.h
--- a/kerep-headers/base/type_system/type_system.h
+++ b/kerep-headers/base/type_system/type_system.h
--- a/kerep-headers/base/type_system/typedef_macros.h
+++ b/kerep-headers/base/type_system/typedef_macros.h
--- a/kerep/src/base/type_system/unitype.c
+++ b/kerep/src/base/type_system/unitype.c
@@ -0,0 +1,100 @@
+#include "../../kprint/kprint_format.h"
+#include "../base.h"
+
+char *__Unitype_toString(void *_u, u32 fmt)
+{
+    return Unitype_toString(*(Unitype *)_u, fmt);
+}
+
+kt_define(Unitype, __UnitypePtr_free, __Unitype_toString);
+
+void Unitype_free(Unitype u)
+{
+    if (u.typeId == ktid_undefined)
+    {
+        if (u.VoidPtr != NULL)
+            throw("unitype with undefined typeId has value");
+        return;
+    }
+
+    ktDescriptor *type = ktDescriptor_get(u.typeId);
+    if (type->freeMembers)
+        type->freeMembers(u.VoidPtr);
+    if (u.allocatedInHeap)
+        free(u.VoidPtr);
+}
+void __UnitypePtr_free(void *u)
+{
+    Unitype_free(*(Unitype *)u);
+}
+
+char *Unitype_toString(Unitype u, u32 fmt)
+{
+    if (u.typeId == ktid_undefined)
+    {
+        if (u.VoidPtr != NULL)
+            throw("unitype with undefined typeId has value");
+        return cptr_copy("{ERROR_TYPE}");
+    }
+
+    if (fmt == 0)
+    {
+        if (u.typeId == ktid_name(bool) || u.typeId == ktid_name(i8) || u.typeId == ktid_name(i16) ||
+            u.typeId == ktid_name(i32) || u.typeId == ktid_name(i64))
+        {
+            // auto format set
+            fmt = kp_i;
+            // replaces value with pointer to value to pass into toString_i64(void*, u32)
+            i64 value = u.Int64;
+            u.VoidPtr = &value;
+        }
+        else if (u.typeId == ktid_name(u8) || u.typeId == ktid_name(u16) || u.typeId == ktid_name(u32) ||
+                 u.typeId == ktid_name(u64))
+        {
+            fmt = kp_u;
+            u64 value = u.UInt64;
+            u.VoidPtr = &value;
+        }
+        else if (u.typeId == ktid_name(f32) || u.typeId == ktid_name(f64))
+        {
+            fmt = kp_f;
+            f64 value = u.Float64;
+            u.VoidPtr = &value;
+        }
+        else if (u.typeId == ktid_name(char))
+        {
+            fmt = kp_c;
+            i64 value = u.Int64;
+            u.VoidPtr = &value;
+        }
+        else if (u.typeId == ktid_ptrName(char))
+        {
+            fmt = kp_s;
+        }
+        else if (u.typeId == ktid_name(Pointer))
+        {
+            if (u.VoidPtr == NULL)
+                return cptr_copy("{ UniNull }");
+            fmt = kp_h;
+        }
+    }
+
+    ktDescriptor *type = ktDescriptor_get(u.typeId);
+    char *valuestr;
+    if (type->toString)
+        valuestr = type->toString(u.VoidPtr, fmt);
+    else
+        valuestr = "ERR_NO_TOSTRING_FUNC";
+    char *rezult = cptr_concat("{ type: ", type->name, ", allocated on heap: ", (u.allocatedInHeap ? "true" : "false"),
+                               ", value:", valuestr, " }");
+    if (type->toString)
+        free(valuestr);
+    return rezult;
+}
+
+void printuni(Unitype v)
+{
+    char *s = Unitype_toString(v, 0);
+    fputs(s, stdout);
+    free(s);
+}
--- a/kerep-headers/base/type_system/unitype.h
+++ b/kerep-headers/base/type_system/unitype.h
--- a/kerep-headers/kprint/README.md
+++ b/kerep-headers/kprint/README.md
--- a/kerep/src/kprint/kprint.c
+++ b/kerep/src/kprint/kprint.c
@@ -0,0 +1,211 @@
+#include "../String/StringBuilder.h"
+#include "kprint.h"
+
+ktid __typeFromFormat(kp_fmt f){
+    ktid typeId=kp_fmt_ktid(f);
+    if(typeId) 
+        return typeId;
+    switch(kp_fmt_dataFormat(f)){
+        case kp_i:
+        case kp_h:
+        case kp_b: 
+            return ktid_name(i64);
+        case kp_u:
+            return ktid_name(u64); 
+        case kp_f:
+            return ktid_name(f64); 
+        case kp_c:
+            return ktid_name(char); 
+        case kp_s:
+            return ktid_ptrName(char); 
+        default: 
+            return ktid_undefined;
+    }
+}
+
+Maybe __next_toString(kp_fmt f, void* object){
+    // detecting type
+    ktid typeId=__typeFromFormat(f);
+    if(typeId==ktid_undefined)
+        safethrow("typeId is undefined, can't autodetect type",;);
+
+    if(typeId==ktid_ptrName(char))
+        object=*(char**)object; // dereferencing char** to char*
+
+    ktDescriptor* type=ktDescriptor_get(typeId);
+    if(!type->toString)
+        safethrow("type descriptor doesnt have toString() func",;);
+    return SUCCESS(UniHeapPtr(char, type->toString(object, f)));
+}
+
+Maybe check_argsN(u8 n){
+    if(n%2 != 0) safethrow("kprint recieved non-even number of arguments",;);
+    if(n > 32) safethrow("kprint recieved >32 number of arguments",;);
+    return MaybeNull;
+}
+
+Maybe __ksprint(u8 n, kp_fmt* formats, __kp_value_union* objects){
+    try(check_argsN(n), _,;);
+    n/=2;
+    StringBuilder* strb=StringBuilder_create();
+    for(u8 i=0; i<n; i++){
+        try(__next_toString(formats[i], &objects[i]),mStr,;);
+        StringBuilder_append_cptr(strb, mStr.value.VoidPtr);
+        Unitype_free(mStr.value);
+    }
+    char* rezult=StringBuilder_build(strb).ptr;
+    return SUCCESS(UniHeapPtr(char, rezult));
+}
+
+Maybe __kfprint(FILE* file, u8 n, kp_fmt* formats, __kp_value_union* objects){
+    try(check_argsN(n), _,;);
+    n/=2;
+    for(u8 i=0; i<n; i++){
+        try(__next_toString(formats[i], &objects[i]),maybeStr,;);
+        if(fputs(maybeStr.value.VoidPtr, file)==EOF)
+            safethrow("can't write string to file", Unitype_free(maybeStr.value));
+        Unitype_free(maybeStr.value);
+    }
+    fflush(file);
+    return MaybeNull;
+}
+
+void __kprint(u8 n, kp_fmt* formats, __kp_value_union* objects){
+    tryLast(check_argsN(n), _,;);
+    n/=2;
+    for(u8 i=0; i<n; i++){
+        kp_fmt fmt=formats[i];
+        kprint_setColor(fmt);
+        tryLast(__next_toString(fmt, &objects[i]),maybeStr, kprint_setColor(kp_bgBlack|kp_fgGray));
+        if(fputs(maybeStr.value.VoidPtr, stdout)==EOF) \
+            throw("can't write string to stdout");
+            //, Unitype_free(maybeStr.value)
+        Unitype_free(maybeStr.value);
+    }
+    fflush(stdout);
+}
+
+#if defined(_WIN32)|| defined(_WIN64)
+#include <windows.h>
+#define FOREGROUND_YELLOW FOREGROUND_GREEN | FOREGROUND_RED
+
+DWORD kp_fgColor_toWin(kp_fgColor f){ 
+    //kprintf("fg: %x\n", f);
+    switch(f){
+        case kp_fgBlack: return 0;
+        case kp_fgRedD: return FOREGROUND_RED;
+        case kp_fgGreenD: return FOREGROUND_GREEN;
+        case kp_fgYellowD: return FOREGROUND_GREEN | FOREGROUND_RED;
+        case kp_fgBlueD: return FOREGROUND_BLUE;
+        case kp_fgMagentaD: return FOREGROUND_RED | FOREGROUND_BLUE;
+        case kp_fgCyanD: return FOREGROUND_BLUE | FOREGROUND_GREEN;
+        case kp_fgGray: return FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED;
+        case kp_fgGrayD: return FOREGROUND_INTENSITY;
+        case kp_fgRed: return FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case kp_fgGreen: return FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        case kp_fgYellow: return FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case kp_fgBlue: return FOREGROUND_BLUE | FOREGROUND_INTENSITY;
+        case kp_fgMagenta: return FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case kp_fgCyan: return FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        case kp_fgWhite: return FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        default: throw(ERR_FORMAT);
+    }
+}
+
+DWORD kp_bgColor_toWin(kp_bgColor f){ 
+    //kprintf("bg: %x\n", f);
+    switch(f){
+        case kp_bgBlack: return 0;
+        case kp_bgRedD: return BACKGROUND_RED;
+        case kp_bgGreenD: return BACKGROUND_GREEN;
+        case kp_bgYellowD: return BACKGROUND_GREEN | BACKGROUND_RED;
+        case kp_bgBlueD: return BACKGROUND_BLUE;
+        case kp_bgMagentaD: return BACKGROUND_RED | BACKGROUND_BLUE;
+        case kp_bgCyanD: return BACKGROUND_BLUE | BACKGROUND_GREEN;
+        case kp_bgGray: return BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED;
+        case kp_bgGrayD: return BACKGROUND_INTENSITY;
+        case kp_bgRed: return BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case kp_bgGreen: return BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        case kp_bgYellow: return BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case kp_bgBlue: return BACKGROUND_BLUE | BACKGROUND_INTENSITY;
+        case kp_bgMagenta: return BACKGROUND_BLUE | BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case kp_bgCyan: return BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        case kp_bgWhite: return BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        default: throw(ERR_FORMAT);
+    }
+}
+
+void kprint_setColor(kp_fmt f){
+    DWORD color=0;
+    if(!kp_fmt_fgColorSet(f) & !kp_fmt_bgColorSet(f))
+        return;
+    if(kp_fmt_fgColorSet(f))
+        color+=kp_fgColor_toWin(kp_fmt_fgColor(f));
+    if(kp_fmt_bgColorSet(f))
+        color+=kp_bgColor_toWin(kp_fmt_bgColor(f));
+    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+    SetConsoleTextAttribute(hConsole, color);
+}
+#else
+void kprint_setColor(kp_fmt f){
+    if(kp_fmt_fgColorSet(f)){
+        u8 fg=(f&0x0f000000)>>24;
+        if(fg<8) fg+=30;
+        else fg+=90-8;
+        printf("\e[%um", fg);
+    }
+    if(kp_fmt_bgColorSet(f)){
+        u8 bg=(f&0x00f00000)>>20;
+        if(bg<8) bg+=40;
+        else bg+=100-8;
+        printf("\e[%um", bg);
+    }
+}
+#endif
+
+/* Maybe ksprint_ar(u32 count, kp_fmt format, ktid typeId, void* array){
+    ktDescriptor* type=ktDescriptor_get(format.typeId);
+    if(!type->toString)
+        safethrow("type descriptor doesnt have toString() func",;);
+    StringBuilder* strb=StringBuilder_create();
+    StringBuilder_append_char(strb, '[');
+    for (u16 e=1; e<count; e++){
+        StringBuilder_append_char(strb, ' ');
+        char* elStr=type->toString(array+type->size*e, &format);
+        StringBuilder_append_cptr(strb, elStr);
+        StringBuilder_append_char(strb, ',');
+    }
+    StringBuilder_rmchar(strb);
+    StringBuilder_append_char(strb, ' ');
+    StringBuilder_append_char(strb, ']');
+} */
+
+static const char* _kp_colorNames[16]={
+    "black",
+    "dark_red",
+    "dark_green",
+    "dark_yellow",
+    "dark_blue",
+    "dark_magenta",
+    "dark_cyan",
+    "gray",
+    "dark_gray",
+    "red",
+    "green",
+    "yellow",
+    "blue",
+    "magenta",
+    "cyan",
+    "white"
+};
+
+char* kp_bgColor_toString(kp_bgColor c){
+    u32 color_index=(c&0x00f00000)>>20;
+    if(color_index>15) throw(ERR_WRONGINDEX);
+    return _kp_colorNames[color_index];
+}
+char* kp_fgColor_toString(kp_fgColor c){
+    u32 color_index=(c&0x00f00000)>>24;
+    if(color_index>15) throw(ERR_WRONGINDEX);
+    return _kp_colorNames[color_index];
+}
--- a/kerep-headers/kprint/kprint.h
+++ b/kerep-headers/kprint/kprint.h
--- a/kerep-headers/kprint/kprint_colors.h
+++ b/kerep-headers/kprint/kprint_colors.h
--- a/kerep-headers/kprint/kprint_format.h
+++ b/kerep-headers/kprint/kprint_format.h
--- a/kerep-headers/kprint/kprint_format.md
+++ b/kerep-headers/kprint/kprint_format.md
--- a/kerep/src/kprint/kprintf.c
+++ b/kerep/src/kprint/kprintf.c
@@ -0,0 +1,155 @@
+#include "kprintf.h"
+#include "../base/base.h"
+
+#if defined(_WIN64) || defined(_WIN32)
+#include <windows.h>
+
+WORD unixColorToWin(u8 c){
+    switch(c){
+        //foreground
+        case 30: return 0;
+        case 31: return FOREGROUND_RED;
+        case 32: return FOREGROUND_GREEN;
+        case 33: return FOREGROUND_GREEN | FOREGROUND_RED;
+        case 34: return FOREGROUND_BLUE;
+        case 35: return FOREGROUND_RED | FOREGROUND_BLUE;
+        case 36: return FOREGROUND_BLUE | FOREGROUND_GREEN;
+        case 37: return FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED;
+        case 90: return FOREGROUND_INTENSITY;
+        case 91: return FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case 92: return FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        case 93: return FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case 94: return FOREGROUND_BLUE | FOREGROUND_INTENSITY;
+        case 95: return FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_INTENSITY;
+        case 96: return FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        case 97: return FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        //background
+        case 40: return 0;
+        case 41: return BACKGROUND_RED;
+        case 42: return BACKGROUND_GREEN;
+        case 43: return BACKGROUND_GREEN | BACKGROUND_RED;
+        case 44: return BACKGROUND_BLUE;
+        case 45: return BACKGROUND_RED | BACKGROUND_BLUE;
+        case 46: return BACKGROUND_BLUE | BACKGROUND_GREEN;
+        case 47: return BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED;
+        case 100: return BACKGROUND_INTENSITY;
+        case 101: return BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case 102: return BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        case 103: return BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case 104: return BACKGROUND_BLUE | BACKGROUND_INTENSITY;
+        case 105: return BACKGROUND_BLUE | BACKGROUND_RED | BACKGROUND_INTENSITY;
+        case 106: return BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        case 107: return BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_INTENSITY;
+        default: return 0;
+    }
+}
+#endif
+
+void kprintf(const char* format, ...){
+    va_list vl;
+    va_start(vl, format);
+    u32 i=0;
+    for(char c=format[i++]; c!=0; c=format[i++]){
+        // value format specifiers
+        if(c=='%'){
+            char* argstr=NULL;
+            bool l=false;
+            c=format[i++];
+            format_escape_seq:
+            switch (c) {
+                case 'u':
+                    argstr=toString_u64(
+                        l ? va_arg(vl, u64) : va_arg(vl, u32)
+                        ,0,0);
+                    break;
+                case 'i': case 'd':
+                    argstr=toString_i64(
+                        l ? va_arg(vl, i64) : va_arg(vl, i32)
+                        );
+                    break;
+                case 'f':
+                    // f32 is promoted to f64 when passed through '...'
+                    argstr=toString_f64(va_arg(vl, f64), toString_float_default_precision,0,0);
+                    break;
+               case 'l':
+                    l=true;
+                    if((c=format[i++]))
+                        goto format_escape_seq;
+                    break;
+                case 'p': ;
+                    void* phex=va_arg(vl, void*);
+                    argstr=toString_hex(&phex,getEndian()==LittleEndian,sizeof(phex),1,0);
+                    break;
+                case 'x': ;
+                    if(l){
+                        u64 xhex=va_arg(vl, u64);
+                        argstr=toString_hex(&xhex,getEndian()==LittleEndian,sizeof(xhex),0,1);
+                    }
+                    else {
+                        u32 xhex=va_arg(vl, u32);
+                        argstr=toString_hex(&xhex,getEndian()==LittleEndian,sizeof(xhex),0,1);
+                    }
+                    break;
+                case 's': ;
+                    char* cptr=va_arg(vl,char*);
+                    if(!cptr)
+                        cptr="<nullstr>";
+                    if(*cptr)
+                        fputs(cptr, stdout);
+                    break;
+                case 'c':
+                    argstr=malloc(2);
+                    argstr[0]=(char)va_arg(vl,int);
+                    argstr[1]=0;
+                    break;
+                default:
+                    putc('\n',stdout);
+                    putc('<',stdout);
+                    putc(c,stdout);
+                    putc('>',stdout);
+                    throw(ERR_FORMAT);
+            }
+            if(argstr){
+                fputs(argstr, stdout);
+                free(argstr);
+            }
+        }
+        // escape sequences 
+        else if(c=='\e'){
+            IFWIN(
+                /* WINDOWS */
+                ({
+                    if((c=format[i++])=='['){
+                        u8 colorUnix=0;
+                        for(i8 n=0; n<6 && c!=0; n++){
+                            c=format[i++];
+                            switch (c){
+                                case '0': case '1': case '2': case '3': case '4':
+                                case '5': case '6': case '7': case '8': case '9':
+                                    colorUnix=colorUnix*10+c-'0';
+                                    break;
+                                case 'm': ;
+                                    WORD colorWin=unixColorToWin(colorUnix);
+                                    HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
+                                    SetConsoleTextAttribute(hConsole, colorWin);
+                                    goto end_iteration;
+                                default:
+                                    goto end_iteration;
+                            }
+                        }
+                    }
+                }),
+                /* UNIX */
+                putc(c,stdout);
+            );
+        }
+        // common characters 
+        else {
+            putc(c,stdout);
+        }
+        #if defined(_WIN64) || defined(_WIN32)
+        end_iteration:;
+        #endif
+    }
+    va_end(vl);
+}
--- a/kerep-headers/kprint/kprintf.h
+++ b/kerep-headers/kprint/kprintf.h
--- a/kerep-headers/random/krandom.h
+++ b/kerep-headers/random/krandom.h
--- a/kerep/src/random/splitmix64/splitmix64.c
+++ b/kerep/src/random/splitmix64/splitmix64.c
@@ -0,0 +1,34 @@
+#include "splitmix64.h"
+
+/* 
+This is a fixed-increment version of Java 8's SplittableRandom generator
+See http://dx.doi.org/10.1145/2714064.2660195 and
+http://docs.oracle.com/javase/8/docs/api/java/util/SplittableRandom.html
+It is a very fast generator passing BigCrush, and it can be useful if
+for some reason you absolutely want 64 bits of state; otherwise, we
+rather suggest to use a xoroshiro128+ (for moderately parallel
+computations) or xorshift1024* (for massively parallel computations)
+generator. 
+*/
+
+// The state can be seeded with any (upto) 64 bit integer value.
+
+void* splitmix64_init(u64 seed){
+    splitmix64_state* state=malloc(sizeof(splitmix64_state));
+    *state=seed;
+    return state;
+}
+
+u64 splitmix64_next(void* _state) {
+    splitmix64_state* state=_state;
+    // increment the state variable
+    *state += 0x9e3779b97f4a7c15;
+    // copy the state to a working variable
+    u64 z = *state;
+    // xor the variable with the variable right bit shifted 30 then multiply by a constant
+    z = (z ^ (z>>30)) * 0xbf58476d1ce4e5b9;
+    // xor the variable with the variable right bit shifted 27 then multiply by a constant
+    z = (z ^ (z>>27)) * 0x94d049bb133111eb;
+    // return the variable xored with itself right bit shifted 31
+    return z ^ (z>>31);
+}
--- a/kerep-headers/random/splitmix64/splitmix64.h
+++ b/kerep-headers/random/splitmix64/splitmix64.h
--- a/kerep-headers/random/xoroshiro/32bitValue/xoroshiro64.h
+++ b/kerep-headers/random/xoroshiro/32bitValue/xoroshiro64.h
--- a/kerep/src/random/xoroshiro/32bitValue/xoroshiro64star.c
+++ b/kerep/src/random/xoroshiro/32bitValue/xoroshiro64star.c
@@ -0,0 +1,49 @@
+/*  Written in 2016 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoroshiro64.h"
+
+/*  
+This is xoroshiro64* 1.0, our best and fastest 32-bit small-state
+generator for 32-bit floating-poi32 numbers. We suggest to use its
+upper bits for floating-poi32 generation, as it is slightly faster than
+xoroshiro64**. It passes all tests we are aware of except for linearity
+tests, as the lowest six bits have low linear complexity, so if low
+linear complexity is not considered an issue (as it is usually the
+case) it can be used to generate 32-bit outputs, too.
+
+We suggest to use a sign test to extract a random Boolean value, and
+right shifts to extract subsets of bits.
+
+The state must be seeded so that it is not everywhere zero. 
+*/
+
+static inline u32 rotl(const u32 x, i32 k) {
+    return (x << k) | (x >> (32 - k));
+}
+
+u32 xoroshiro64star_next(void* _state) {
+    xoroshiro64_state* state=_state;
+    const u32 s0 = state->s[0];
+    u32 s1 = state->s[1];
+    const u32 result = s0 * 0x9E3779BB;
+
+    s1 ^= s0;
+    state->s[0] = rotl(s0, 26) ^ s1 ^ (s1 << 9); // a, b
+    state->s[1] = rotl(s1, 13); // c
+
+    return result;
+}
+
+void* xoroshiro64_init(u64 seed){
+    xoroshiro64_state* state=malloc(sizeof(xoroshiro64_state));
+    splitmix64_state* splitmix=splitmix64_init(seed);
+    state->merged=splitmix64_next(splitmix);
+    splitmix64_free(splitmix);
+    return state;
+}
--- a/kerep/src/random/xoroshiro/32bitValue/xoroshiro64starstar.c
+++ b/kerep/src/random/xoroshiro/32bitValue/xoroshiro64starstar.c
@@ -0,0 +1,37 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoroshiro64.h"
+
+/* This is xoroshiro64** 1.0, our 32-bit all-purpose, rock-solid,
+   small-state generator. It is extremely fast and it passes all tests we
+   are aware of, but its state space is not large enough for any parallel
+   application.
+
+   For generating just single-precision (i.e., 32-bit) floating-point
+   numbers, xoroshiro64* is even faster.
+
+   The state must be seeded so that it is not everywhere zero. */
+
+
+static inline u32 rotl(const u32 x, i32 k) {
+    return (x << k) | (x >> (32 - k));
+}
+
+u32 xoroshiro64starstar_next(void* _state) {
+    xoroshiro64_state* state=_state;
+    const u32 s0 = state->s[0];
+    u32 s1 = state->s[1];
+    const u32 result = rotl(s0 * 0x9E3779BB, 5) * 5;
+
+    s1 ^= s0;
+    state->s[0] = rotl(s0, 26) ^ s1 ^ (s1 << 9); // a, b
+    state->s[1] = rotl(s1, 13); // c
+
+    return result;
+}
--- a/kerep-headers/random/xoroshiro/64bitValue/xoroshiro128.h
+++ b/kerep-headers/random/xoroshiro/64bitValue/xoroshiro128.h
--- a/kerep/src/random/xoroshiro/64bitValue/xoroshiro128plus.c
+++ b/kerep/src/random/xoroshiro/64bitValue/xoroshiro128plus.c
@@ -0,0 +1,59 @@
+/*  Written in 2016-2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoroshiro128.h"
+
+/* This is xoroshiro128+ 1.0, our best and fastest small-state generator
+   for floating-poi32 numbers, but its state space is large enough only
+   for mild parallelism. We suggest to use its upper bits for
+   floating-poi32 generation, as it is slightly faster than
+   xoroshiro128++/xoroshiro128**. It passes all tests we are aware of
+   except for the four lower bits, which might fail linearity tests (and
+   just those), so if low linear complexity is not considered an issue (as
+   it is usually the case) it can be used to generate 64-bit outputs, too;
+   moreover, this generator has a very mild Hamming-weight dependency
+   making our test (http://prng.di.unimi.it/hwd.php) fail after 5 TB of
+   output; we believe this slight bias cannot affect any application. If
+   you are concerned, use xoroshiro128++, xoroshiro128** or xoshiro256+.
+
+   We suggest to use a sign test to extract a random Boolean value, and
+   right shifts to extract subsets of bits.
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. 
+
+   NOTE: the parameters (a=24, b=16, b=37) of this version give slightly
+   better results in our test than the 2016 version (a=55, b=14, c=36).
+*/
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x >> (64 - k));
+}
+
+u64 xoroshiro128plus_next(void* _state){    
+    xoroshiro128_state* state=_state;
+    const u64 s0 = state->s[0];
+    u64 s1 = state->s[1];
+    const u64 result = s0 + s1;
+
+    s1 ^= s0;
+    state->s[0] = rotl(s0, 24) ^ s1 ^ (s1 << 16); // a, b
+    state->s[1] = rotl(s1, 37); // c
+
+    return result;
+}
+
+void* xoroshiro128_init(u64 seed){
+    xoroshiro128_state* state=malloc(sizeof(xoroshiro128_state));
+    splitmix64_state* splitmix=splitmix64_init(seed);
+    state->s[0]=splitmix64_next(splitmix);
+    state->s[1]=splitmix64_next(splitmix);
+    splitmix64_free(splitmix);
+    return state;
+}
--- a/kerep/src/random/xoroshiro/64bitValue/xoroshiro128plusplus.c
+++ b/kerep/src/random/xoroshiro/64bitValue/xoroshiro128plusplus.c
@@ -0,0 +1,39 @@
+/*  Written in 2019 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoroshiro128.h"
+
+/* This is xoroshiro128++ 1.0, one of our all-purpose, rock-solid,
+   small-state generators. It is extremely (sub-ns) fast and it passes all
+   tests we are aware of, but its state space is large enough only for
+   mild parallelism.
+
+   For generating just floating-poi32 numbers, xoroshiro128+ is even
+   faster (but it has a very mild bias, see notes in the comments).
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. */
+
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x >> (64 - k));
+}
+
+u64 xoroshiro128plusplus_next(void* _state){    
+    xoroshiro128_state* state=_state;
+    const u64 s0 = state->s[0];
+    u64 s1 = state->s[1];
+    const u64 result = rotl(s0 + s1, 17) + s0;
+
+    s1 ^= s0;
+    state->s[0] = rotl(s0, 49) ^ s1 ^ (s1 << 21); // a, b
+    state->s[1] = rotl(s1, 28); // c
+
+    return result;
+}
--- a/kerep/src/random/xoroshiro/64bitValue/xoroshiro128starstar.c
+++ b/kerep/src/random/xoroshiro/64bitValue/xoroshiro128starstar.c
@@ -0,0 +1,39 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoroshiro128.h"
+
+/* This is xoroshiro128** 1.0, one of our all-purpose, rock-solid,
+   small-state generators. It is extremely (sub-ns) fast and it passes all
+   tests we are aware of, but its state space is large enough only for
+   mild parallelism.
+
+   For generating just floating-poi32 numbers, xoroshiro128+ is even
+   faster (but it has a very mild bias, see notes in the comments).
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. */
+
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x >> (64 - k));
+}
+
+u64 xoroshiro128starstar_next(void* _state){    
+    xoroshiro128_state* state=_state;
+    const u64 s0 = state->s[0];
+    u64 s1 = state->s[1];
+    const u64 result = rotl(s0 * 5, 7) * 9;
+
+    s1 ^= s0;
+    state->s[0] = rotl(s0, 24) ^ s1 ^ (s1 << 16); // a, b
+    state->s[1] = rotl(s1, 37); // c
+
+    return result;
+}
--- a/kerep-headers/random/xoroshiro/xoroshiro.h
+++ b/kerep-headers/random/xoroshiro/xoroshiro.h
--- a/kerep-headers/random/xoshiro-xoroshiro.md
+++ b/kerep-headers/random/xoshiro-xoroshiro.md
--- a/kerep-headers/random/xoshiro/32bitValue/xoshiro128.h
+++ b/kerep-headers/random/xoshiro/32bitValue/xoshiro128.h
--- a/kerep/src/random/xoshiro/32bitValue/xoshiro128plus.c
+++ b/kerep/src/random/xoshiro/32bitValue/xoshiro128plus.c
@@ -0,0 +1,54 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro128.h"
+
+/* This is xoshiro128+ 1.0, our best and fastest 32-bit generator for 32-bit
+   floating-poi32 numbers. We suggest to use its upper bits for
+   floating-poi32 generation, as it is slightly faster than xoshiro128**.
+   It passes all tests we are aware of except for
+   linearity tests, as the lowest four bits have low linear complexity, so
+   if low linear complexity is not considered an issue (as it is usually
+   the case) it can be used to generate 32-bit outputs, too.
+
+   We suggest to use a sign test to extract a random Boolean value, and
+   right shifts to extract subsets of bits.
+
+   The state must be seeded so that it is not everywhere zero. */
+
+
+static inline u32 rotl(const u32 x, i32 k) {
+    return (x << k) | (x >> (32 - k));
+}
+
+u32 xoshiro128plus_next(void* _state){    
+    xoshiro128_state* state=_state;
+    const u32 result = state->s[0] + state->s[3];
+
+    const u32 t = state->s[1] << 9;
+
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+
+    state->s[2] ^= t;
+
+    state->s[3] = rotl(state->s[3], 11);
+
+    return result;
+}
+
+void* xoshiro128_init(u64 seed){
+    xoshiro128_state* state=malloc(sizeof(xoshiro128_state));
+    splitmix64_state* splitmix=splitmix64_init(seed);
+    state->merged[0]=splitmix64_next(splitmix);
+    state->merged[1]=splitmix64_next(splitmix);
+    splitmix64_free(splitmix);
+    return state;
+}
--- a/kerep/src/random/xoshiro/32bitValue/xoshiro128plusplus.c
+++ b/kerep/src/random/xoshiro/32bitValue/xoshiro128plusplus.c
@@ -0,0 +1,42 @@
+/*  Written in 2019 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro128.h"
+
+/* This is xoshiro128++ 1.0, one of our 32-bit all-purpose, rock-solid
+   generators. It has excellent speed, a state size (128 bits) that is
+   large enough for mild parallelism, and it passes all tests we are aware
+   of.
+
+   For generating just single-precision (i.e., 32-bit) floating-point
+   numbers, xoshiro128+ is even faster.
+
+   The state must be seeded so that it is not everywhere zero. */
+
+
+static inline u32 rotl(const u32 x, i32 k) {
+    return (x << k) | (x >> (32 - k));
+}
+
+u32 xoshiro128plusplus_next(void* _state){    
+    xoshiro128_state* state=_state;
+    const u32 result = rotl(state->s[0] + state->s[3], 7) + state->s[0];
+
+    const u32 t = state->s[1] << 9;
+
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+
+    state->s[2] ^= t;
+
+    state->s[3] = rotl(state->s[3], 11);
+
+    return result;
+}
--- a/kerep/src/random/xoshiro/32bitValue/xoshiro128starstar.c
+++ b/kerep/src/random/xoshiro/32bitValue/xoshiro128starstar.c
@@ -0,0 +1,45 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro128.h"
+
+/* This is xoshiro128** 1.1, one of our 32-bit all-purpose, rock-solid
+   generators. It has excellent speed, a state size (128 bits) that is
+   large enough for mild parallelism, and it passes all tests we are aware
+   of.
+
+   Note that version 1.0 had mistakenly state->s[0] instead of state->s[1] as state
+   word passed to the scrambler.
+
+   For generating just single-precision (i.e., 32-bit) floating-point
+   numbers, xoshiro128+ is even faster.
+
+   The state must be seeded so that it is not everywhere zero. */
+
+
+static inline u32 rotl(const u32 x, i32 k) {
+    return (x << k) | (x >> (32 - k));
+}
+
+u32 xoshiro128starstar_next(void* _state){    
+    xoshiro128_state* state=_state;
+    const u32 result = rotl(state->s[1] * 5, 7) * 9;
+
+    const u32 t = state->s[1] << 9;
+
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+
+    state->s[2] ^= t;
+
+    state->s[3] = rotl(state->s[3], 11);
+
+    return result;
+}
--- a/kerep-headers/random/xoshiro/64bitValue/xoshiro256.h
+++ b/kerep-headers/random/xoshiro/64bitValue/xoshiro256.h
--- a/kerep/src/random/xoshiro/64bitValue/xoshiro256plus.c
+++ b/kerep/src/random/xoshiro/64bitValue/xoshiro256plus.c
@@ -0,0 +1,58 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro256.h"
+
+/* This is xoshiro256+ 1.0, our best and fastest generator for floating-point
+   numbers. We suggest to use its upper bits for floating-point
+   generation, as it is slightly faster than xoshiro256++/xoshiro256**. It
+   passes all tests we are aware of except for the lowest three bits,
+   which might fail linearity tests (and just those), so if low linear
+   complexity is not considered an issue (as it is usually the case) it
+   can be used to generate 64-bit outputs, too.
+
+   We suggest to use a sign test to extract a random Boolean value, and
+   right shifts to extract subsets of bits.
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. */
+
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x >> (64 - k));
+}
+
+u64 xoshiro256plus_next(void* _state){    
+    xoshiro256_state* state=_state;
+    const u64 result = state->s[0] + state->s[3];
+
+    const u64 t = state->s[1] << 17;
+
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+
+    state->s[2] ^= t;
+
+    state->s[3] = rotl(state->s[3], 45);
+
+    return result;
+}
+
+void* xoshiro256_init(u64 seed){
+    xoshiro256_state* state=malloc(sizeof(xoshiro256_state));
+    splitmix64_state* splitmix=splitmix64_init(seed);
+    state->s[0]=splitmix64_next(splitmix);
+    state->s[1]=splitmix64_next(splitmix);
+    state->s[2]=splitmix64_next(splitmix);
+    state->s[3]=splitmix64_next(splitmix);
+    splitmix64_free(splitmix);
+    return state;
+}
--- a/kerep/src/random/xoshiro/64bitValue/xoshiro256plusplus.c
+++ b/kerep/src/random/xoshiro/64bitValue/xoshiro256plusplus.c
@@ -0,0 +1,37 @@
+/*  Written in 2019 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro256.h"
+
+/* This is xoshiro256++ 1.0, one of our all-purpose, rock-solid generators.
+   It has excellent (sub-ns) speed, a state (256 bits) that is large
+   enough for any parallel application, and it passes all tests we are
+   aware of.
+
+   For generating just floating-poi32 numbers, xoshiro256+ is even faster.
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. */
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x>>(64 - k));
+}
+
+u64 xoshiro256plusplus_next(void* _state) {
+    xoshiro256_state* state=_state;
+    const u64 result=rotl(state->s[0] + state->s[3], 23) + state->s[0];
+    const u64 t=state->s[1] << 17;
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+    state->s[2] ^= t;
+    state->s[3]=rotl(state->s[3], 45);
+    return result;
+}
--- a/kerep/src/random/xoshiro/64bitValue/xoshiro256starstar.c
+++ b/kerep/src/random/xoshiro/64bitValue/xoshiro256starstar.c
@@ -0,0 +1,42 @@
+/*  Written in 2018 by David Blackman and Sebastiano Vigna (vigna@acm.org)
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */
+
+#include "xoshiro256.h"
+
+/* This is xoshiro256** 1.0, one of our all-purpose, rock-solid
+   generators. It has excellent (sub-ns) speed, a state (256 bits) that is
+   large enough for any parallel application, and it passes all tests we
+   are aware of.
+
+   For generating just floating-poi32 numbers, xoshiro256+ is even faster.
+
+   The state must be seeded so that it is not everywhere zero. If you have
+   a 64-bit seed, we suggest to seed a splitmix64 generator and use its
+   output to fill s. */
+
+static inline u64 rotl(const u64 x, i32 k) {
+    return (x << k) | (x >> (64 - k));
+}
+
+u64 xoshiro256starstar_next(void* _state){    
+    xoshiro256_state* state=_state;
+    const u64 result = rotl(state->s[1] * 5, 7) * 9;
+
+    const u64 t = state->s[1] << 17;
+
+    state->s[2] ^= state->s[0];
+    state->s[3] ^= state->s[1];
+    state->s[1] ^= state->s[2];
+    state->s[0] ^= state->s[3];
+
+    state->s[2] ^= t;
+
+    state->s[3] = rotl(state->s[3], 45);
+
+    return result;
+}
--- a/kerep-headers/random/xoshiro/xoshiro.h
+++ b/kerep-headers/random/xoshiro/xoshiro.h
--- a/libkerep.a.tar.xz
+++ b/libkerep.a.tar.xz
--- a/src/CompilationScenario.c
+++ b/src/CompilationScenario.c
@@ -1,47 +1,108 @@
+#include <unistd.h>
 #include "CompilationScenario.h"
-#include "unistd.h"
+#include "../kerep/src/Filesystem/filesystem.h"
+#include "process/Process.h"
+
+kt_define(Language, NULL, NULL);
+kt_define(Tool, NULL, NULL);
+kt_define(CompilationScenario, (freeMembers_t)CompilationScenario_destruct, NULL);

 void CompilationScenario_construct(CompilationScenario* ptr){
-    ptr->compiler = "UNDEFINED_COMPILER";
-    ptr->obj_dir = "obj";
-    ptr->out_file = "bin/out";
-    ptr->args = Autoarr_create(Pointer, 32, 32);
-    ptr->sources = Autoarr_create(Pointer, 32, 32);
+    ptr->languages = Hashtable_create();
+    ptr->tools = Hashtable_create();
+    ptr->tool_order = Autoarr_create(Pointer, 32, 32);
 }

 void CompilationScenario_destruct(CompilationScenario* ptr){
-    Autoarr_freeWithoutMembers(ptr->args, true);
-    Autoarr_freeWithoutMembers(ptr->sources, true);
+    // TODO
 }

-#define Dtsod_setStrField(FIELD) \
+void Tool_construct(Tool* ptr, Autoarr(Pointer)* aliases, const char* exe_file, bool parallel, Autoarr(Pointer)* supported_languages){
+    ptr->aliases = aliases;
+    ptr->exe_file = exe_file;
+    ptr->parallel = parallel;
+    ptr->supported_languages = Hashtable_create();
+    Autoarr_foreach(supported_languages, _l,
+        Language* l = _l;
+        Autoarr_foreach(l->aliases, l_name, 
+            Hashtable_add(ptr->supported_languages, l_name, UniHeapPtr(Language, l)));
+    )
+    ptr->src_languages = Hashtable_create();
+    ptr->src_dirs = Autoarr_create(Pointer, 32, 32);
+    ptr->pre_args = Autoarr_create(Pointer, 32, 32);
+    ptr->post_args = Autoarr_create(Pointer, 32, 32);
+}
+
+void Tool_destruct(Tool* ptr){
+    // TODO
+}
+
+void Language_construct(Language* ptr, Autoarr(Pointer)* aliases, Autoarr(Pointer)* file_extensions){
+    ptr->aliases = aliases;
+    ptr->file_extensions = file_extensions;
+}
+
+void Language_destruct(Language* ptr){
+    // TODO
+}
+
+#define Dtsod_getStrField(FIELD, OBJ) \
    if(Hashtable_tryGet(dtsod, #FIELD, &val)){ \
-        if(val.typeId != ktid_char_Ptr) \
+        if(!UniCheckTypePtr(val, char)) \
            safethrow(#FIELD " value expected to be string",;);\
-        sc->FIELD = val.VoidPtr; \
+        OBJ->FIELD = val.VoidPtr; \
    }

-#define Dtsod_addArrField(FIELD, ELEM_TYPE) \
+#define Dtsod_addToStrAr(FIELD, OBJ) \
    if(Hashtable_tryGet(dtsod, #FIELD, &val)){ \
-        if(val.typeId != ktid_Autoarr_Unitype_Ptr) \
-            safethrow(#FIELD " value expected to be array", ;); \
+        if(!UniCheckTypePtr(val, Autoarr(Unitype))) \
+            safethrow(#FIELD " value expected to be a string array", ;); \
        Autoarr(Unitype)* ar = val.VoidPtr; \
        Autoarr_foreach(ar, el, \
-            if(el.typeId != ktid_ptrName(ELEM_TYPE)) \
-                safethrow(#FIELD " array values expected to be " #ELEM_TYPE, ;); \
-            Autoarr_add(sc->FIELD, el.VoidPtr); \
+            if(!UniCheckTypePtr(el, char)) \
+                safethrow(#FIELD " array values expected to be string", ;); \
+            Autoarr_add(OBJ->FIELD, el.VoidPtr); \
        ) \
    }

-Maybe CompilationScenario_tryApplyOptions(CompilationScenario* sc, Hashtable* dtsod){
+Maybe Tool_tryApplyOptions(Tool* t, Hashtable* dtsod){
    Unitype val = UniNull;
-    Dtsod_setStrField(compiler);
-    Dtsod_setStrField(obj_dir);
-    Dtsod_setStrField(out_file);
-    Dtsod_addArrField(args, char);
-    Dtsod_addArrField(sources, char);
+    Dtsod_addToStrAr(src_dirs, t);
+    Dtsod_addToStrAr(pre_args, t);
+    Dtsod_addToStrAr(post_args, t);
+    if(Hashtable_tryGet(dtsod, "src_languages", &val)){
+        if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+            safethrow("src_languages value expected to be a string array", ;);
+        Autoarr(Unitype)* ar = val.VoidPtr;
+        Autoarr_foreach(ar, el,
+            if(!UniCheckTypePtr(el, char))
+                safethrow("src_languages array values expected to be string", ;);
+            const char* l_name = el.VoidPtr;
+            if(!Hashtable_tryGet(t->supported_languages, l_name, &val))
+                safethrow(cptr_concat("language '", l_name, "' isn't supported by tool '", Autoarr_get(t->aliases, 0), "'"), ;);
+            Hashtable_add(t->src_languages, l_name, val);
+        )
+    }
+    return MaybeNull;
+}

+Maybe CompilationScenario_tryApplyToolsOptions(CompilationScenario* sc, Hashtable* dtsod){
+    Unitype val = UniNull;
+
+    // adds tools to tool_order
+    Dtsod_addToStrAr(tool_order, sc);
+
+    // sets options for each tool
    try(CompilationScenario_tryApplyPlatformSpecificOptions(sc, dtsod), _m0, ;);
+    Hashtable_foreach(sc->tools, _tool,
+        Tool* tool = _tool.value.VoidPtr;
+        if(Hashtable_tryGet(dtsod, _tool.key, &val)){
+            if(!UniCheckTypePtr(val, Hashtable))
+                safethrow(ERR_WRONGTYPE, ;);
+            Hashtable* tool_dtsod = val.VoidPtr;
+            try(Tool_tryApplyOptions(tool, tool_dtsod), _m1, ;);
+        }
+    )

    return SUCCESS(UniBool(Unitype_isUniNull(val) || _m0.value.Bool));
 }
@@ -49,10 +110,10 @@ Maybe CompilationScenario_tryApplyOptions(CompilationScenario* sc, Hashtable* dt
 Maybe CompilationScenario_tryApplyConditionalOptions(CompilationScenario* sc, Hashtable* dtsod, const char* condition_name){
    Unitype val = UniNull;
    if(Hashtable_tryGet(dtsod, condition_name, &val)){
-        if(val.typeId != ktid_Hashtable_Ptr)
+        if(!UniCheckTypePtr(val, Hashtable))
            safethrow(cptr_concat(condition_name, " expected to be key-value map"), ;);
        Hashtable* conditional_options = val.VoidPtr;
-        try(CompilationScenario_tryApplyOptions(sc, conditional_options), _m0, ;);
+        try(CompilationScenario_tryApplyToolsOptions(sc, conditional_options), _m0, ;);
        return SUCCESS(UniTrue);
    }
    else return SUCCESS(UniFalse);
@@ -87,9 +148,136 @@ Maybe CompilationScenario_applyTaskOptions(CompilationScenario* sc, Hashtable* d
    return MaybeNull;
 }

+Maybe CompilationScenario_tryRegisterLanguages(CompilationScenario* sc, Hashtable* dtsod){
+    Unitype val = UniNull;
+    if(!Hashtable_tryGet(dtsod, "languages", &val))
+        return SUCCESS(UniFalse);
+
+    if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+        safethrow(ERR_WRONGTYPE, ;);
+    Autoarr(Unitype)* languages_serializad = val.VoidPtr;
+    
+    Autoarr_foreach(languages_serializad, ldtsod,
+        if(!UniCheckTypePtr(ldtsod, Hashtable))
+            safethrow(ERR_WRONGTYPE, ;);
+        
+        // reads aliases: string[] from dtsod
+        if(!Hashtable_tryGet(ldtsod.VoidPtr, "aliases", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+            safethrow(ERR_WRONGTYPE, ;);
+        Autoarr(Unitype)* aliases_uni = val.VoidPtr;
+        Autoarr(Pointer)* aliases = Autoarr_create(Pointer, 32, 32);
+        Autoarr_foreach(aliases_uni, au, 
+            if(!UniCheckTypePtr(au, char))
+                safethrow(ERR_WRONGTYPE, ;);
+            Autoarr_add(aliases, au.VoidPtr);
+        )
+
+        // reads file_extensions: string[] from dtsod
+        if(!Hashtable_tryGet(ldtsod.VoidPtr, "file_extensions", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+            safethrow(ERR_WRONGTYPE, ;);
+        Autoarr(Unitype)* file_extensions_uni = val.VoidPtr;
+        Autoarr(Pointer)* file_extensions = Autoarr_create(Pointer, 32, 32);
+        Autoarr_foreach(file_extensions_uni, feu, 
+            if(!UniCheckTypePtr(feu, char))
+                safethrow(ERR_WRONGTYPE, ;);
+            Autoarr_add(file_extensions, feu.VoidPtr);
+        )
+
+        Language* lang = malloc(sizeof(Language));
+        Language_construct(lang, aliases, file_extensions);
+        // registers each alias of the language
+        Autoarr_foreach(aliases, l_name,
+            if(!Hashtable_tryAdd(sc->languages, l_name, UniHeapPtr(Language, lang)))
+                safethrow(cptr_concat("language '", l_name, "has been already registered"), ;);
+        )
+    )
+
+    return SUCCESS(UniTrue);
+}
+
+Maybe CompilationScenario_tryRegisterTools(CompilationScenario* sc, Hashtable* dtsod){
+    Unitype val = UniNull;
+    if(!Hashtable_tryGet(dtsod, "tools", &val))
+        return SUCCESS(UniFalse);
+
+    if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+        safethrow(ERR_WRONGTYPE, ;);
+    Autoarr(Unitype)* tools_serializad = val.VoidPtr;
+    
+    Autoarr_foreach(tools_serializad, tdtsod,
+        if(!UniCheckTypePtr(tdtsod, Hashtable))
+            safethrow(ERR_WRONGTYPE, ;);
+
+        // reads exe_file: string from dtsod
+        if(!Hashtable_tryGet(tdtsod.VoidPtr, "exe_file", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckTypePtr(val, char))
+            safethrow(ERR_WRONGTYPE, ;);
+        char* exe_file = val.VoidPtr;
+
+        // reads parallel: bool from dtsod
+        if(!Hashtable_tryGet(tdtsod.VoidPtr, "parallel", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckType(val, bool))
+            safethrow(ERR_WRONGTYPE, ;);
+        bool parallel = val.Bool;
+
+        // reads aliases: string[] from dtsod
+        if(!Hashtable_tryGet(tdtsod.VoidPtr, "aliases", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+            safethrow(ERR_WRONGTYPE, ;);
+        Autoarr(Unitype)* aliases_uni = val.VoidPtr;
+        Autoarr(Pointer)* aliases = Autoarr_create(Pointer, 32, 32);
+        Autoarr_foreach(aliases_uni, au, 
+            if(!UniCheckTypePtr(au, char))
+                safethrow(ERR_WRONGTYPE, ;);
+            Autoarr_add(aliases, au.VoidPtr);
+        )
+
+        // reads supported_languages: string[] dtsod
+        if(!Hashtable_tryGet(tdtsod.VoidPtr, "supported_languages", &val))
+            safethrow(ERR_FORMAT, ;);
+        if(!UniCheckTypePtr(val, Autoarr(Unitype)))
+            safethrow(ERR_WRONGTYPE, ;);
+        Autoarr(Unitype)* supported_languages_uni = val.VoidPtr;
+        Autoarr(Pointer)* supported_languages = Autoarr_create(Pointer, 32, 32);
+        Autoarr_foreach(supported_languages_uni, lu, 
+            if(!UniCheckTypePtr(lu, char))
+                safethrow(ERR_WRONGTYPE, ;);
+            char* l_name = lu.VoidPtr;
+            // gets language pointer from CompilationScenario regisgered languages
+            if(!Hashtable_tryGet(sc->languages, l_name, &val))
+                safethrow(ERR_KEYNOTFOUND, ;);
+            if(!UniCheckTypePtr(val, Language))
+                safethrow(ERR_WRONGTYPE, ;);
+            Language* lang = val.VoidPtr;
+            Autoarr_add(supported_languages, lang);
+        )
+
+        Tool* tool = malloc(sizeof(Tool));
+        Tool_construct(tool, aliases, exe_file, parallel, supported_languages);
+        // registers each alias of the tool
+        Autoarr_foreach(aliases, t_name,
+            if(!Hashtable_tryAdd(sc->tools, t_name, UniHeapPtr(Tool, tool)))
+                safethrow(cptr_concat("tool '", t_name, "has been already registered"), ;);
+        )
+    )
+
+    return SUCCESS(UniTrue);
+}
+
 Maybe CompilationScenario_applyProjectOptions(CompilationScenario* sc, Hashtable* dtsod, const char* configuration, const char* task){
-    // general options
-    try(CompilationScenario_tryApplyOptions(sc, dtsod), _m0, ;);
+    // TODO version check
+    // TODO import
+    try(CompilationScenario_tryRegisterLanguages(sc, dtsod), _m05, ;);
+    try(CompilationScenario_tryRegisterTools(sc, dtsod), _m06, ;);
+    // project-wide options
+    try(CompilationScenario_tryApplyToolsOptions(sc, dtsod), _m0, ;);
    // configuration options
    try(CompilationScenario_applyConfigurationOptions(sc, dtsod, configuration), _m1, ;);
    // task options
@@ -97,33 +285,56 @@ Maybe CompilationScenario_applyProjectOptions(CompilationScenario* sc, Hashtable
    return MaybeNull;
 }

+Maybe Tool_exec(Tool* tool){
+    Autoarr(Pointer)* args_ar = Autoarr_create(Pointer, 32, 32);
+    Autoarr_foreach(tool->pre_args, arg, 
+        Autoarr_add(args_ar, arg));

-/*
-universal compilation:
-    pre-compilation tools
-    parallel foreach src
-        apply proj settings
-        apply lang settings
-        apply dir settings
-        if platform, settings or src were changed
-            compile object to onj/lang
-        concurrent add obj to obj_ar
-    post-compilation tools
-        example: if linkage enabled
-            apply proj linker settings
-            link
-            post-link tools
-    move files to general_out_dir
-*/
+    Autoarr(Pointer)* sources = Autoarr_create(Pointer, 32, 32);
+    Autoarr_foreach(tool->src_dirs, dir,
+        try(dir_getFiles(dir, true), _m2, ;);
+        char** files = _m2.value.VoidPtr;
+        while(*files){
+            Autoarr_add(sources, *files);
+            files++;
+        }
+    );
+
+    if(tool->parallel){
+        safethrow(ERR_NOTIMPLEMENTED, ;);
+    }
+    else {
+        Autoarr_foreach(sources, file, 
+            Autoarr_add(args_ar, file));
+    }
+
+    Autoarr_foreach(tool->post_args, arg, 
+        Autoarr_add(args_ar, arg));
+
+    const char** args = (const char**)Autoarr_toArray(args_ar);
+    i32 argc = Autoarr_length(args_ar);
+    Autoarr_freeWithoutMembers(args_ar, true);
+
+    Process tool_proc;
+    try(Process_start(&tool_proc, tool->exe_file, args, argc, true), _m5512, Autoarr_freeWithoutMembers(sources, true))
+
+    // TODO wrap tool_proc->io    
+    Process_waitForExit(&tool_proc);
+
+    Autoarr_freeWithoutMembers(sources, true);
+    return MaybeNull;
+}

 Maybe CompilationScenario_exec(CompilationScenario* sc){
-    /*const char ** compiler_args;
-    Autoarr_foreach(sc->sources, arg,
-        int rzlt = -1;
-        if(rzlt != 0){
-            kprintf("\nprocess exited with code %i\n", rzlt);
-            return false;
-        }
-    );*/
-    return true;
+    Autoarr_foreach(sc->tool_order, tool_name,
+        kprintf("tool: '%s'\n", tool_name);
+        Unitype uni;
+        if(!Hashtable_tryGet(sc->tools, tool_name, &uni))
+            safethrow(ERR_KEYNOTFOUND, ;);
+        if(!UniCheckTypePtr(uni, Tool))
+            safethrow(ERR_WRONGTYPE, ;);
+        Tool* tool = uni.VoidPtr;
+        try(Tool_exec(tool), _m1, ;);    
+    )
+    return MaybeNull;
 }
--- a/src/CompilationScenario.h
+++ b/src/CompilationScenario.h
@@ -1,16 +1,29 @@
-#include "../kerep-headers/DtsodParser/DtsodV24.h"
+#include "../kerep/src/DtsodParser/DtsodV24.h"

 extern const char* os;
 extern const char* arch;

-typedef struct {
-    const char* language;
-    const char* compiler;
-    const char* obj_dir;
-    const char* out_file;
-    Autoarr(Pointer)* args;
-    Autoarr(Pointer)* sources;
-} CompilationScenario;
+STRUCT(Language,
+    Autoarr(Pointer)* aliases;
+    Autoarr(Pointer)* file_extensions;
+)
+
+STRUCT(Tool,
+    Autoarr(Pointer)* aliases;
+    const char* exe_file;
+    bool parallel;
+    Hashtable* supported_languages;
+    Hashtable* src_languages;
+    Autoarr(Pointer)* src_dirs;
+    Autoarr(Pointer)* pre_args;
+    Autoarr(Pointer)* post_args;
+)
+
+STRUCT(CompilationScenario,
+    Hashtable* tools; /* Hashtable<Tool> */
+    Hashtable* languages; /* Hashtable<Languages> */
+    Autoarr(Pointer)* tool_order; /* Autoarr(char[]) */
+)

 /*         Public Functions         */

@@ -29,13 +42,23 @@ Maybe CompilationScenario_exec(CompilationScenario* sc);

 /*        Internal Functions        */

+/// tries to register proramming languages from dtsod field "languages"
 ///@return Maybe<bool>
-Maybe CompilationScenario_tryApplyOptions(CompilationScenario* sc, Hashtable* dtsod);
+Maybe CompilationScenario_tryRegisterLanguages(CompilationScenario* sc, Hashtable* dtsod);

+/// tries to register tools from dtsod field "tools"
+///@return Maybe<bool>
+Maybe CompilationScenario_tryRegisterTools(CompilationScenario* sc, Hashtable* dtsod);
+
+/// tries to set options for tools registered in the project
+///@return Maybe<bool>
+Maybe CompilationScenario_tryApplyToolsOptions(CompilationScenario* sc, Hashtable* dtsod);
+
+/// tries to get any options from field <condition_name>
 ///@return Maybe<bool>
 Maybe CompilationScenario_tryApplyConditionalOptions(CompilationScenario* sc, Hashtable* dtsod, const char* condition_name);

-/// tries to get options from dtsod fields named "windows", "linux", "android", "x64", "android-arm32", "windows_x86", etc.
+/// tries to get options from dtsod fields named "windowss", "linux", "android", "x64", "android-arm32", "windows_x86", etc.
 ///@return Maybe<bool>
 Maybe CompilationScenario_tryApplyPlatformSpecificOptions(CompilationScenario* sc, Hashtable* dtsod);

--- a/src/cbuilld.c
+++ b/src/cbuilld.c
@@ -1,23 +1,28 @@
-#include "../kerep-headers/base/base.h"
-#include "../kerep-headers/Filesystem/filesystem.h"
-#include "../kerep-headers/DtsodParser/DtsodV24.h"
+#include "../kerep/src/base/base.h"
+#include "../kerep/src/Filesystem/filesystem.h"
+#include "../kerep/src/DtsodParser/DtsodV24.h"
 #include "CompilationScenario.h"
+#include "process/Process.h"

 #ifndef OS
+#error undefined OS
 #define OS "UNDEFINED"
 #endif
 #ifndef ARCH
+#error undefined ARCH
 #define ARCH "UNDEFINED"
 #endif
-
+#ifndef CONFIG_DIR
+#error undefined CONFIG_DIR
+#define CONFIG_DIR "UNDEFINED"
+#endif
 const char* os=OS;
 const char* arch=ARCH;
+const char* global_config_dir=CONFIG_DIR;

-const char* global_out_dir="bin";
 const char* configuration="release";
-const char* task="exe";
-const char** projects=NULL;
-u16 project_count = 0;
+const char* project_dir_or_file="./";
+Autoarr(Pointer)* tasks;

 int erri(ErrorId err_code){
    throw(err_code);
@@ -35,74 +40,74 @@ char* projectFileFromDir(const char* dir){
 int main(const int argc, const char** argv){
    kt_beginInit();
    kt_initKerepTypes();
+    kt_register(CompilationScenario);
+    kt_register(Language);
+    kt_register(Tool);
+    kt_register(Process);
    kt_endInit();

-    if(cptr_equals(os, "UNDEFINED"))
-        throw("Operation system undefined. Recompile cbuild with flag -DOS=$(./detect_os.sh)");
-    if(cptr_equals(arch, "UNDEFINED"))
-        throw("CPU architecture undefined. Recompile cbuild with flag -DARCH=$(./detect_arch.sh)");
+    tasks = Autoarr_create(Pointer, 16, 32);

-    Autoarr(Pointer)* projects_ar = Autoarr_create(Pointer, 16, 32);
+    if(cptr_equals(os, "UNDEFINED"))
+        throw("Undefined operation system. Recompile cbuild with flag -DOS=\\\"$(./detect_os.sh)\\\"");
+    if(cptr_equals(arch, "UNDEFINED"))
+        throw("Undefined CPU architecture. Recompile cbuild with flag -DARCH=\\\"$(./detect_arch.sh)\\\"");
+    if(cptr_equals(global_config_dir, "UNDEFINED"))
+        throw("Undefined global config directory. Recompile cbuild with flag -DCONFIG_DIR=\\\"/etc/cbuild\\\"");

    for(int argi = 1; argi < argc; argi++){
        const char* arg = argv[argi];
        kprintf("arg: %s\n", arg);
-        if(argIs("-h") || argIs("--help") || argIs("/?"))
-            kprintf("Usage: cbuild [options] [projects files/dirs]\n"
+        if(argIs("-h") || argIs("--help") || argIs("/?")){
+            kprintf("Usage: cbuild [options] [tasks0 task1...]\n"
               "  Options:\n"
               "    -h, --help, /?          Display this message.\n"
-               "    -o, --out-dir           Set global output directory (default=bin).\n"
               "    -c, --configuration     Select project configuration (default=release).\n"
-               "    -t, --task              Select build task from project.\n");
-        else if(argIs("-o") || argIs("--out-dir"))
-            global_out_dir = argNext();
+               "    -p, --project           Set project directory/file (default=./).\n");
+               return 0;
+        }
        else if(argIs("-c") || argIs("--configuration"))
            configuration = argNext();
-        else if(argIs("-t") || argIs("--task"))
-            task = argNext();
+        else if(argIs("-p") || argIs("--project"))
+            project_dir_or_file = argNext();
        else {
            if(arg[0] == '-')
                throw(cptr_concat("invalid argument: ", arg));
-            Autoarr_add(projects_ar, arg);
+            Autoarr_add(tasks, arg);
        }
    }

-    project_count = Autoarr_length(projects_ar);
-    projects = (const char**)Autoarr_toArray(projects_ar);
-    Autoarr_freeWithoutMembers(projects_ar, true);
-    if(project_count == 0){
-        projects = malloc(sizeof(char*));
-        projects[0] = projectFileFromDir(".");
-    }
-
-    for(u16 i=0; i < project_count; i++){
-        const char* proj = projects[i];
    const char* proj_file_path = NULL;
-        if(file_exists(proj))
-            proj_file_path = proj;
-        else if(dir_exists(proj))
-            proj_file_path = projectFileFromDir(proj);
+    if(file_exists(project_dir_or_file))
+        proj_file_path = project_dir_or_file;
+    else if(dir_exists(project_dir_or_file))
+        proj_file_path = projectFileFromDir(project_dir_or_file);
+    else throw(cptr_concat("can't find a project at path '", project_dir_or_file, "'"));
    
    tryLast(file_open(proj_file_path, FileOpenMode_Read), _m1, ;);
    FileHandle proj_file = _m1.value.VoidPtr;
-        char* proj_file_text;
+    char* proj_file_text = NULL;
    tryLast(file_readAll(proj_file, &proj_file_text), _m2, file_close(proj_file));
    file_close(proj_file);

    tryLast(DtsodV24_deserialize(proj_file_text), _m3, free(proj_file_text));
    Hashtable* proj_dtsod = _m3.value.VoidPtr;
+
+    char* platform = cptr_concat(os, "-", arch);
+    Autoarr_foreach(tasks, task,
+        kprintf("executing task '%s', configuration '%s', platform '%s'\n",
+            task, configuration, platform);
        CompilationScenario proj_sc;
        CompilationScenario_construct(&proj_sc);
-        tryLast(CompilationScenario_applyProjectOptions(&proj_sc, proj_dtsod, configuration, task), _m4, free(proj_file_text))
-        
-        if(!CompilationScenario_exec(&proj_sc))
-            throw("compilation error");
-
+        tryLast(CompilationScenario_applyProjectOptions(&proj_sc, proj_dtsod, configuration, task), _m4, )        
+        tryLast(CompilationScenario_exec(&proj_sc), _m5, ;)
        CompilationScenario_destruct(&proj_sc);
+    )
+    
+#if DEBUG
    Hashtable_free(proj_dtsod);
    free(proj_file_text);
-    }
-    
    kt_free();
+#endif
    return 0;
 }
--- a/src/process/Process.h
+++ b/src/process/Process.h
@@ -0,0 +1,33 @@
+#include "../../kerep/src/base/base.h"
+
+#ifdef _WIN32
+#define USE_WINDOWS_PROCESS_API
+typedef void* PipeHandle;
+#else
+typedef int PipeHandle;
+#endif
+
+typedef struct Process {
+    int id;
+    const char* file_path;
+    const char** args;
+    PipeHandle input;
+    PipeHandle output;
+    PipeHandle error;
+#ifdef USE_WINDOWS_PROCESS_API
+    void* _winProcHandle;
+#endif
+} Process;
+kt_declare(Process);
+
+///@param search_in_PATH if true and file_path doesn't contain path separator characters, will search in PATH for the file_path
+///@return Maybe<void>
+Maybe Process_start(Process* ptr, const char* file_path, const char** args, int argc, bool search_in_PATH);
+
+///@return Maybe<void>
+Maybe Process_waitForExit(Process* p);
+
+///@return Maybe<void>
+Maybe Process_stop(Process* p);
+
+i32 PipeHandle_read(PipeHandle pipe, char* buf, i32 bufsize);
--- a/src/process/Process_posix.c
+++ b/src/process/Process_posix.c
@@ -0,0 +1,99 @@
+#include "process.h"
+
+#ifndef USE_WINDOWS_PROCESS_API
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <errno.h>
+extern int kill (__pid_t __pid, int __sig) __THROW;
+extern void * memset(void * __dst, int __val, size_t __n);
+
+#define throw_if_negative(expr) if(expr < 0) throw(cptr_concat(#expr " exited with error ", toString_i64(errno)));
+#define safethrow_if_negative(expr) if(expr < 0) safethrow(cptr_concat(#expr " exited with error ", toString_i64(errno)), ;);
+
+Maybe Process_start(Process* p, const char* file_path, const char** args, int argc, bool search_in_PATH){
+    memset(p, 0, sizeof(Process));
+    int input_pipe[2];
+    int output_pipe[2];
+    int error_pipe[2];
+    safethrow_if_negative(pipe(input_pipe));
+    safethrow_if_negative(pipe(output_pipe));
+    safethrow_if_negative(pipe(error_pipe));
+
+    int pid = fork();
+    if(pid == -1)
+        safethrow("fork() error", ;);
+
+    // child process
+    if(pid == 0){
+        printf("child");
+        throw_if_negative(close(input_pipe[1])); // close writing
+        throw_if_negative(close(output_pipe[0])); // close reading
+        throw_if_negative(close(error_pipe[0])); // close reading
+
+        // redirect io streams to pipes
+        throw_if_negative(dup2(input_pipe[0], STDIN_FILENO));
+        throw_if_negative(dup2(output_pipe[1], STDOUT_FILENO));
+        throw_if_negative(dup2(error_pipe[1], STDERR_FILENO));
+
+        // 
+        const char** argv = malloc(sizeof(char*) * (argc+2));
+        argv[0] = file_path;
+        for(int i=0; i<argc; i++){
+            argv[i+1] = args[i];
+        }
+        argv[argc+1] = NULL;
+        // start new process
+        int rzlt = search_in_PATH ? execvp(file_path, (char* const*)argv) : execv (file_path, (char* const*)argv);
+        exit(rzlt);
+    }
+
+    // parent process
+    safethrow_if_negative(close(input_pipe[0])); // close reading
+    safethrow_if_negative(close(output_pipe[1])); // close writing
+    safethrow_if_negative(close(error_pipe[1])); // close writing
+    
+    p->file_path = file_path;
+    p->args = args;
+    p->id=pid;
+    p->input=input_pipe[1];
+    p->output=output_pipe[0];
+    p->error=error_pipe[0];
+    return MaybeNull;
+}
+
+Maybe Process_closeHandles(Process* p){
+    safethrow_if_negative(close(p->input));
+    safethrow_if_negative(close(p->output));
+    safethrow_if_negative(close(p->error));
+    p->id=0;
+    return MaybeNull;
+}
+
+Maybe Process_waitForExit(Process* p){
+    int wstatus=0;    
+    if(waitpid(p->id, &wstatus, 0) == -1)
+        safethrow("waitpid() error", ;);
+    if(!WIFEXITED(wstatus))
+        safethrow(ERR_NOTIMPLEMENTED, ;)
+    int exitCode = WEXITSTATUS(wstatus);
+    if(exitCode != 0)
+        safethrow(cptr_concat("process ", toString_i64(p->id), " exited with code ", toString_i64(exitCode)), ;)
+    Process_closeHandles(p);
+    return MaybeNull;
+}
+
+Maybe Process_stop(Process* p){
+    safethrow_if_negative(kill(p->id, SIGINT));
+    try(Process_closeHandles(p), _m864, ;);
+    return MaybeNull;
+}
+
+kt_define(Process, (freeMembers_t)(void*)Process_stop, NULL)
+
+i32 PipeHandle_read(PipeHandle pipe, char* buf, i32 bufsize){
+    return read(pipe, buf, bufsize);
+}
+
+#endif
--- a/src/process/Process_windows.c
+++ b/src/process/Process_windows.c
@@ -0,0 +1,141 @@
+#include "process.h"
+
+#ifdef USE_WINDOWS_PROCESS_API
+#include <windows.h>
+#include "../../kerep/src/String/StringBuilder.h"
+
+#define safethrow_if_false(expr) if(!expr) safethrow(cptr_concat(#expr " exited with error ", toString_i64(GetLastError())), ;);
+
+Maybe Process_start(Process* p, const char* file_path, const char** args, int argc, bool search_in_PATH){
+    memset(p, 0, sizeof(Process));
+    if(search_in_PATH && !cptr_contains(file_path, "\\")){
+        LPSTR lpFilePart;
+        char search_rezult[MAX_PATH]; 
+        safethrow_if_false(SearchPath( NULL, file_path, NULL, MAX_PATH, search_rezult, &lpFilePart))
+        file_path = cptr_copy(search_rezult);
+    }
+
+    SECURITY_ATTRIBUTES saAttr;
+    saAttr.nLength = sizeof(SECURITY_ATTRIBUTES); 
+    // Set the bInheritHandle flag so pipe handles are inherited
+    saAttr.bInheritHandle = TRUE; 
+    saAttr.lpSecurityDescriptor = NULL; 
+
+    HANDLE in_pipe_r = NULL;
+    HANDLE in_pipe_w = NULL;
+    HANDLE out_pipe_r = NULL;
+    HANDLE out_pipe_w = NULL;
+    HANDLE err_pipe_r = NULL;
+    HANDLE err_pipe_w = NULL;
+
+    // Create a pipe for the child process's STDIN. 
+    safethrow_if_false( CreatePipe(&in_pipe_r, &in_pipe_w, &saAttr, 0));
+    // Ensure the write handle to the pipe for STDIN is not inherited. 
+    safethrow_if_false( SetHandleInformation(in_pipe_w, HANDLE_FLAG_INHERIT, 0) );
+
+    // Create a pipe for the child process's STDOUT. 
+    safethrow_if_false( CreatePipe(&out_pipe_r, &out_pipe_w, &saAttr, 0) )
+    // Ensure the read handle to the pipe for STDOUT is not inherited.
+    safethrow_if_false( SetHandleInformation(out_pipe_r, HANDLE_FLAG_INHERIT, 0) );
+
+    // Create a pipe for the child process's STDERR. 
+    safethrow_if_false( CreatePipe(&err_pipe_r, &err_pipe_w, &saAttr, 0) );
+    // Ensure the read handle to the pipe for STDERR is not inherited.
+    safethrow_if_false( SetHandleInformation(err_pipe_r, HANDLE_FLAG_INHERIT, 0) )
+
+    STARTUPINFO si;
+    memset(&si, 0, sizeof(si));
+    si.cb = sizeof(si);
+    si.hStdInput = in_pipe_r;
+    si.hStdOutput = out_pipe_w;
+    si.hStdError = err_pipe_w;
+    si.dwFlags |= STARTF_USESTDHANDLES;
+
+    PROCESS_INFORMATION pi;
+    memset(&pi, 0, sizeof(pi));
+
+    StringBuilder* b = StringBuilder_create();
+    
+    StringBuilder_append_char(b, '"');
+    StringBuilder_append_cptr(b, file_path);
+    StringBuilder_append_char(b, '"');
+    StringBuilder_append_char(b, ' ');
+    for(int i = 0; i < argc; i++) {
+        StringBuilder_append_char(b, '"');
+        StringBuilder_append_cptr(b, args[i]);
+        StringBuilder_append_char(b, '"');
+        StringBuilder_append_char(b, ' ');
+    }
+    string args_str = StringBuilder_build(b);
+
+    // Start the child process. 
+    if( !CreateProcess(
+        file_path,      // Program executable path (optional)
+        args_str.ptr,   // Command line args
+        NULL,           // Process handle not inheritable
+        NULL,           // Thread handle not inheritable
+        TRUE,           // Inherit IO handles
+        0,              // No creation flags
+        NULL,           // Use parent's environment block
+        NULL,           // Use parent's starting directory 
+        &si,            // Pointer to STARTUPINFO structure
+        &pi)            // Pointer to PROCESS_INFORMATION structure
+    ) {
+        safethrow(cptr_concat("process_start(", file_path, ", ", args_str, ", ", search_in_PATH ? "true" : "false",
+            ") error: CreateProcess() failed with error code ", toString_i64(GetLastError())), ;)
+    }
+    
+
+    // Close thread handle and child process pipe ends
+    safethrow_if_false(CloseHandle(in_pipe_r));
+    safethrow_if_false(CloseHandle(out_pipe_w));
+    safethrow_if_false(CloseHandle(err_pipe_w));
+    safethrow_if_false(CloseHandle(pi.hThread));
+    
+    p->file_path = file_path;
+    p->args = args;
+    p->id=pi.dwProcessId;
+    p->_winProcHandle = pi.hProcess;
+
+    p->input = in_pipe_w;
+    p->output= out_pipe_r;
+    p->error = err_pipe_r;
+    return MaybeNull;
+}
+
+Maybe Process_closeHandles(Process* p){
+    safethrow_if_false(CloseHandle(p->_winProcHandle));
+    safethrow_if_false(CloseHandle(p->input));
+    safethrow_if_false(CloseHandle(p->output));
+    safethrow_if_false(CloseHandle(p->error));
+    p->id=0;
+    return MaybeNull;
+}
+
+Maybe Process_waitForExit(Process* p){
+    if(WaitForSingleObject(p->_winProcHandle, INFINITE) != 0)
+        safethrow("WaitForSingleObject() failed", ;);
+    DWORD exitCode = 0;
+    safethrow_if_false(GetExitCodeProcess(p->_winProcHandle, &exitCode));
+    if(exitCode != 0)
+        safethrow(cptr_concat("process ", toString_i64(p->id), " exited with code ", toString_i64(exitCode)), ;)
+    Process_closeHandles(p);
+    return MaybeNull;
+}
+
+Maybe Process_stop(Process* p){
+    safethrow_if_false(TerminateProcess(p->_winProcHandle, 1));
+    try(Process_closeHandles(p), _m864, ;);
+    return MaybeNull;
+}
+
+kt_define(Process, (freeMembers_t)(void*)Process_stop, NULL)
+
+i32 PipeHandle_read(PipeHandle pipe, char* buf, i32 bufsize){
+    DWORD bytesRead = 0;
+    if(!ReadFile(pipe, buf, bufsize, &bytesRead, NULL))
+        return -1;
+    return bytesRead;
+}
+
+#endif
Author	SHA1	Message	Date
Timerix22	d873ee19c1	example project file	2024-05-02 07:37:26 +05:00
Timerix22	6fe1d5a511	CamelCase	2023-11-19 22:52:26 +06:00
Timerix22	ab2f7b14a1	include fix	2023-11-19 22:42:53 +06:00
Timerix22	91b5eef3dc	Process.h implementations for unix and windows	2023-11-19 22:36:02 +06:00
Timerix22	1b5efdb146	vscode debug	2023-11-19 22:35:22 +06:00
timerix	16f86ce592	kprintf calls	2023-10-12 13:53:32 +06:00
Timerix22	c53500d6ac	languages and tools declaration	2023-09-05 12:17:53 +03:00
Timerix22	15085957fc	new project file structure	2023-08-10 19:27:55 +03:00
Timerix22	a2fc40b006	process.c	2023-08-10 19:24:39 +03:00
timerix	44ee9e210f	kerep sources	2023-07-12 14:08:26 +03:00