--wip-- [skip ci]

Create almost working proof of concept with new parsers
Create base for future parsers
2019-07-11 19:36:25 +02:00 · 2019-07-11 19:10:13 +02:00 · 2019-07-11 18:24:05 +02:00 · 2019-07-11 17:23:39 +02:00
152 changed files with 1577 additions and 6799 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 __pycache__/
 *.mus
-.idea/*
-venv/
+.idea/*
--- a/16
+++ b/16
@@ -1,16 +0,0 @@
-[[source]]
-name = "pypi"
-url = "https://pypi.org/simple"
-verify_ssl = true
-
-[dev-packages]
-
-[packages]
-sounddevice = "*"
-soundfile = "*"
-numpy = "*"
-matplotlib = "*"
-tkinter = "*"
-
-[requires]
-python_version = "3.7"
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,180 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "92b0c636f6ac9be9b32aa25b1cdc96dcbe85602d5c68a2084dc39d25392540b6"
-        },
-        "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3.7"
-        },
-        "sources": [
-            {
-                "name": "pypi",
-                "url": "https://pypi.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {
-        "cffi": {
-            "hashes": [
-                "sha256:041c81822e9f84b1d9c401182e174996f0bae9991f33725d059b771744290774",
-                "sha256:046ef9a22f5d3eed06334d01b1e836977eeef500d9b78e9ef693f9380ad0b83d",
-                "sha256:066bc4c7895c91812eff46f4b1c285220947d4aa46fa0a2651ff85f2afae9c90",
-                "sha256:066c7ff148ae33040c01058662d6752fd73fbc8e64787229ea8498c7d7f4041b",
-                "sha256:2444d0c61f03dcd26dbf7600cf64354376ee579acad77aef459e34efcb438c63",
-                "sha256:300832850b8f7967e278870c5d51e3819b9aad8f0a2c8dbe39ab11f119237f45",
-                "sha256:34c77afe85b6b9e967bd8154e3855e847b70ca42043db6ad17f26899a3df1b25",
-                "sha256:46de5fa00f7ac09f020729148ff632819649b3e05a007d286242c4882f7b1dc3",
-                "sha256:4aa8ee7ba27c472d429b980c51e714a24f47ca296d53f4d7868075b175866f4b",
-                "sha256:4d0004eb4351e35ed950c14c11e734182591465a33e960a4ab5e8d4f04d72647",
-                "sha256:4e3d3f31a1e202b0f5a35ba3bc4eb41e2fc2b11c1eff38b362de710bcffb5016",
-                "sha256:50bec6d35e6b1aaeb17f7c4e2b9374ebf95a8975d57863546fa83e8d31bdb8c4",
-                "sha256:55cad9a6df1e2a1d62063f79d0881a414a906a6962bc160ac968cc03ed3efcfb",
-                "sha256:5662ad4e4e84f1eaa8efce5da695c5d2e229c563f9d5ce5b0113f71321bcf753",
-                "sha256:59b4dc008f98fc6ee2bb4fd7fc786a8d70000d058c2bbe2698275bc53a8d3fa7",
-                "sha256:73e1ffefe05e4ccd7bcea61af76f36077b914f92b76f95ccf00b0c1b9186f3f9",
-                "sha256:a1f0fd46eba2d71ce1589f7e50a9e2ffaeb739fb2c11e8192aa2b45d5f6cc41f",
-                "sha256:a2e85dc204556657661051ff4bab75a84e968669765c8a2cd425918699c3d0e8",
-                "sha256:a5457d47dfff24882a21492e5815f891c0ca35fefae8aa742c6c263dac16ef1f",
-                "sha256:a8dccd61d52a8dae4a825cdbb7735da530179fea472903eb871a5513b5abbfdc",
-                "sha256:ae61af521ed676cf16ae94f30fe202781a38d7178b6b4ab622e4eec8cefaff42",
-                "sha256:b012a5edb48288f77a63dba0840c92d0504aa215612da4541b7b42d849bc83a3",
-                "sha256:d2c5cfa536227f57f97c92ac30c8109688ace8fa4ac086d19d0af47d134e2909",
-                "sha256:d42b5796e20aacc9d15e66befb7a345454eef794fdb0737d1af593447c6c8f45",
-                "sha256:dee54f5d30d775f525894d67b1495625dd9322945e7fee00731952e0368ff42d",
-                "sha256:e070535507bd6aa07124258171be2ee8dfc19119c28ca94c9dfb7efd23564512",
-                "sha256:e1ff2748c84d97b065cc95429814cdba39bcbd77c9c85c89344b317dc0d9cbff",
-                "sha256:ed851c75d1e0e043cbf5ca9a8e1b13c4c90f3fbd863dacb01c0808e2b5204201"
-            ],
-            "version": "==1.12.3"
-        },
-        "cycler": {
-            "hashes": [
-                "sha256:1d8a5ae1ff6c5cf9b93e8811e581232ad8920aeec647c37316ceac982b08cb2d",
-                "sha256:cd7b2d1018258d7247a71425e9f26463dfb444d411c39569972f4ce586b0c9d8"
-            ],
-            "version": "==0.10.0"
-        },
-        "kiwisolver": {
-            "hashes": [
-                "sha256:05b5b061e09f60f56244adc885c4a7867da25ca387376b02c1efc29cc16bcd0f",
-                "sha256:26f4fbd6f5e1dabff70a9ba0d2c4bd30761086454aa30dddc5b52764ee4852b7",
-                "sha256:3b2378ad387f49cbb328205bda569b9f87288d6bc1bf4cd683c34523a2341efe",
-                "sha256:400599c0fe58d21522cae0e8b22318e09d9729451b17ee61ba8e1e7c0346565c",
-                "sha256:47b8cb81a7d18dbaf4fed6a61c3cecdb5adec7b4ac292bddb0d016d57e8507d5",
-                "sha256:53eaed412477c836e1b9522c19858a8557d6e595077830146182225613b11a75",
-                "sha256:58e626e1f7dfbb620d08d457325a4cdac65d1809680009f46bf41eaf74ad0187",
-                "sha256:5a52e1b006bfa5be04fe4debbcdd2688432a9af4b207a3f429c74ad625022641",
-                "sha256:5c7ca4e449ac9f99b3b9d4693debb1d6d237d1542dd6a56b3305fe8a9620f883",
-                "sha256:682e54f0ce8f45981878756d7203fd01e188cc6c8b2c5e2cf03675390b4534d5",
-                "sha256:79bfb2f0bd7cbf9ea256612c9523367e5ec51d7cd616ae20ca2c90f575d839a2",
-                "sha256:7f4dd50874177d2bb060d74769210f3bce1af87a8c7cf5b37d032ebf94f0aca3",
-                "sha256:8944a16020c07b682df861207b7e0efcd2f46c7488619cb55f65882279119389",
-                "sha256:8aa7009437640beb2768bfd06da049bad0df85f47ff18426261acecd1cf00897",
-                "sha256:939f36f21a8c571686eb491acfffa9c7f1ac345087281b412d63ea39ca14ec4a",
-                "sha256:9733b7f64bd9f807832d673355f79703f81f0b3e52bfce420fc00d8cb28c6a6c",
-                "sha256:a02f6c3e229d0b7220bd74600e9351e18bc0c361b05f29adae0d10599ae0e326",
-                "sha256:a0c0a9f06872330d0dd31b45607197caab3c22777600e88031bfe66799e70bb0",
-                "sha256:acc4df99308111585121db217681f1ce0eecb48d3a828a2f9bbf9773f4937e9e",
-                "sha256:b64916959e4ae0ac78af7c3e8cef4becee0c0e9694ad477b4c6b3a536de6a544",
-                "sha256:d3fcf0819dc3fea58be1fd1ca390851bdb719a549850e708ed858503ff25d995",
-                "sha256:d52e3b1868a4e8fd18b5cb15055c76820df514e26aa84cc02f593d99fef6707f",
-                "sha256:db1a5d3cc4ae943d674718d6c47d2d82488ddd94b93b9e12d24aabdbfe48caee",
-                "sha256:e3a21a720791712ed721c7b95d433e036134de6f18c77dbe96119eaf7aa08004",
-                "sha256:e8bf074363ce2babeb4764d94f8e65efd22e6a7c74860a4f05a6947afc020ff2",
-                "sha256:f16814a4a96dc04bf1da7d53ee8d5b1d6decfc1a92a63349bb15d37b6a263dd9",
-                "sha256:f2b22153870ca5cf2ab9c940d7bc38e8e9089fa0f7e5856ea195e1cf4ff43d5a",
-                "sha256:f790f8b3dff3d53453de6a7b7ddd173d2e020fb160baff578d578065b108a05f"
-            ],
-            "version": "==1.1.0"
-        },
-        "matplotlib": {
-            "hashes": [
-                "sha256:1febd22afe1489b13c6749ea059d392c03261b2950d1d45c17e3aed812080c93",
-                "sha256:31a30d03f39528c79f3a592857be62a08595dec4ac034978ecd0f814fa0eec2d",
-                "sha256:4442ce720907f67a79d45de9ada47be81ce17e6c2f448b3c64765af93f6829c9",
-                "sha256:796edbd1182cbffa7e1e7a97f1e141f875a8501ba8dd834269ae3cd45a8c976f",
-                "sha256:934e6243df7165aad097572abf5b6003c77c9b6c480c3c4de6f2ef1b5fdd4ec0",
-                "sha256:bab9d848dbf1517bc58d1f486772e99919b19efef5dd8596d4b26f9f5ee08b6b",
-                "sha256:c1fe1e6cdaa53f11f088b7470c2056c0df7d80ee4858dadf6cbe433fcba4323b",
-                "sha256:e5b8aeca9276a3a988caebe9f08366ed519fff98f77c6df5b64d7603d0e42e36",
-                "sha256:ec6bd0a6a58df3628ff269978f4a4b924a0d371ad8ce1f8e2b635b99e482877a"
-            ],
-            "index": "pypi",
-            "version": "==3.1.1"
-        },
-        "numpy": {
-            "hashes": [
-                "sha256:03f2ebcbffcce2dec8860633b89a93e80c6a239d21a77ae8b241450dc21e8c35",
-                "sha256:078c8025da5ab9e8657edc9c2a1e9642e06e953bc7baa2e65c1aa9d9dfb7e98b",
-                "sha256:0fbfa98c5d5c3c6489cc1e852ec94395d51f35d9ebe70c6850e47f465038cdf4",
-                "sha256:1c841033f4fe6801648180c3033c45b3235a8bbd09bc7249010f99ea27bb6790",
-                "sha256:2c0984a01ddd0aeec89f0ce46ef21d64761048cd76c0074d0658c91f9131f154",
-                "sha256:4c166dcb0fff7cb3c0bbc682dfb5061852a2547efb6222e043a7932828c08fb5",
-                "sha256:8c2d98d0623bd63fb883b65256c00454d5f53127a5a7bcdaa8bdc582814e8cb4",
-                "sha256:8cb4b6ae45aad6d26712a1ce0a3f2556c5e1484867f9649e03496e45d6a5eba4",
-                "sha256:93050e73c446c82065b7410221b07682e475ac51887cd9368227a5d944afae80",
-                "sha256:a3f6b3024f8826d8b1490e6e2a9b99e841cd2c375791b1df62991bd8f4c00b89",
-                "sha256:bede70fd8699695363f39e86c1e869b2c8b74fb5ef135a67b9e1eeebff50322a",
-                "sha256:c304b2221f33489cd15a915237a84cdfe9420d7e4d4828c78a0820f9d990395c",
-                "sha256:f11331530f0eff69a758d62c2461cd98cdc2eae0147279d8fc86e0464eb7e8ca",
-                "sha256:fa5f2a8ef1e07ba258dc07d4dd246de23ef4ab920ae0f3fa2a1cc5e90f0f1888",
-                "sha256:fb6178b0488b0ce6a54bc4accbdf5225e937383586555604155d64773f6beb2b",
-                "sha256:fd5e830d4dc31658d61a6452cd3e842213594d8c15578cdae6829e36ad9c0930"
-            ],
-            "index": "pypi",
-            "version": "==1.17.1"
-        },
-        "pycparser": {
-            "hashes": [
-                "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
-            ],
-            "version": "==2.19"
-        },
-        "pyparsing": {
-            "hashes": [
-                "sha256:6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80",
-                "sha256:d9338df12903bbf5d65a0e4e87c2161968b10d2e489652bb47001d82a9b028b4"
-            ],
-            "version": "==2.4.2"
-        },
-        "python-dateutil": {
-            "hashes": [
-                "sha256:7e6584c74aeed623791615e26efd690f29817a27c73085b78e4bad02493df2fb",
-                "sha256:c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
-            ],
-            "version": "==2.8.0"
-        },
-        "six": {
-            "hashes": [
-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
-            ],
-            "version": "==1.12.0"
-        },
-        "sounddevice": {
-            "hashes": [
-                "sha256:8d0571349f9a438a97f2c69da760f195cf5ddf2351072199cc1dfede4785a207",
-                "sha256:a0dda9dea9a5038ec0dafee4cdebd6d9a09086405d4833a7e3f6b18c109f89f3",
-                "sha256:a71cd3daabc8cb13e0ec9a29e7d4ba9b707386f3c81b3501b20f64209bcaece7",
-                "sha256:b038315e3497e01b1cb22630bc9b5025fcfad40e5ef7c125a9d565befa7220e0",
-                "sha256:c340d0a68945439571a13b287bd11b2d2884b61cd47cc5de8356d88221edf580"
-            ],
-            "index": "pypi",
-            "version": "==0.3.13"
-        },
-        "soundfile": {
-            "hashes": [
-                "sha256:181393f8daac38bda997c4284b760bcd726dc0e847f620020d7bf2d3d538a985",
-                "sha256:3f90971bb1884575ada9a0731e878c91cc1ffde14a778f0857deaa2fd04849ac",
-                "sha256:637f6218c867b8cae80f6989634a0813b416b3e6132480d056e6e5a89a921571",
-                "sha256:7fe04272cbfb94ab648acb0db31ace0800f5a4cf46e9d45b4d71ddb15abce1a0",
-                "sha256:80a3d2ed37199ffa7066c097d7b82b8413922e22870b62b54dc264bf0169f4c2"
-            ],
-            "index": "pypi",
-            "version": "==0.10.2"
-        }
-    },
-    "develop": {}
-}
--- a/README.md
+++ b/README.md
--- a/STDLIB.md
+++ b/STDLIB.md
--- a/examples/adeste.mus
+++ b/examples/adeste.mus
@@ -1,36 +0,0 @@
-println("Adeste Fideles");
-println("John Francis Wade");
-
-s1 = [@g, @g:2, @d, @g, @a:2, @d:2, @h, @a, @h, @c5, @h:2, @a, @g];
-s2 = [@g:2, @f#, @e, @f#, @g, @a, @h, @f#:2, @e:4d, @d:8, @d:2d, 4];
-s3 = [@d5:2, @c5, @h, @c5:2, @h:2, @a, @h, @g, @a, @f#:4d, @e:8, @d];
-s4 = [@g, @g, @f#, @g, @a, @g:2, @d, @h, @h, @a, @h, @c5, @h:2, @a];
-s5 = [@h, @c5, @h, @a, @g, @f#:2, @g, @c5, @h:2, @a:4d, @g:8, @g:1];
-
-S = s1 + s2 + s3 + s4 + s5;
-
-a1 = [@d, @d:2, @d, @d, @e:2, @d:2, @d, @d, @d, @e, @d:2, @d, @h3];
-a2 = [@h3, @c#, @d, @c#, @d, @d, @d, @d, @d:2, @c#:4d, @d:8, @d:2d, 4];
-a3 = [@d:2, @e:8, @f#:8, @g, @g, @f#, @g:2, @d, @d, @e, @e, @d:2, @d];
-a4 = [@d, @d:1, @d:2d, @d, @d:1, @d:2d];
-a5 = [@g, @f#, @g, @d, @d:8, @c#:8, @d:2, @d, @e, @d:2, @d:4d, @h3:8, @h3:1];
-
-A = a1 + a2 + a3 + a4 + a5;
-
-t1 = [@h3, @h3:2, @h3, @h3, @c:2, @a3:2, @g3, @a3, @g3, @g3, @g3:2, @f#3, @g3];
-t2 = [@g3:2, @a3, @a3, @a3, @g3, @f#3, @d3, @a3:2, @g3:4d, @f#3:8, @f#3:2d, 4];
-t3 = [@h3:2, @c, @d, @c:2, @d:2, @d, @g3, @h3, @c, @a3:2, @f#3];
-t4 = [@h3, @h3, @a3, @h3, @c, @h3:2d, @g3, @g3, @f#3, @g3, @a3, @g3:2, @f#3];
-t5 = [@d, @d, @d, @a3, @a3, @a3:2, @g3:2, @g3:2, @f#3:4d, @g3:8, @g3:1];
-
-T = t1 + t2 + t3 + t4 + t5;
-
-b1 = [@g3, @g3:2, @h3, @g3, @g3:2, @f#3:2, @g3, @f#3, @g3, @c3, @d3:2, @d3, @e3];
-b2 = [@e3:2, @d3, @a2, @d3, @h2, @f#2, @g2, @a2:2, @a2:4d, @d3:8, @d2:2d, 4];
-b3 = [@h3:2, @a3, @g3, @a3:2, @g3:2, @f#3, @g3, @e3, @c3, @d3:2, @d3];
-b4 = [4, 1, 1, 1, 2, 4];
-b5 = [@g3, @a3, @g3, @f#3, @e3, @d3, @c3, @h2, @c3, @d3:2, @d3:4d, @g2:8, @g2:1];
-
-B = b1 + b2 + b3 + b4 + b5;
-
-synth({ tuning -> 431, attack -> 100, decay -> 1.2, overtones -> [0.7, 0, 0.2, 0.1] }, S, A, T, B);
--- a/examples/bohemian.mus
+++ b/examples/bohemian.mus
@@ -1,42 +0,0 @@
-println("Bohemian Rhapsody :: part");
-println("by Queen");
-
-m1 = [@d:8, @d:8, @d:2, 8, @b3:8, @c:8, @d:16, @d:16, @d, 4, 8, @d:16, @d:16];
-m2 = [@eb:8, @f:8, @eb:8, @d:8, @c, @c:8, @d:8, @eb:16, @f:8, @eb:8d, @d:8, @c, 4, @d:8, @d:8, @d:2, @d:8, @f:8];
-m3 = [@a:8d, @g:16, @g:2, 8, @g:8, @b:8, @b:8, @b:8, @b:8, @b:8d, @g:16, @d:8d, @c:16, @c:2, 2];
-M1 = [1, 1] + m1 + m2 + m3;
-
-p_B = [@d:8, @f3:8, @b3:8, @d:8, @g:8, @f3:8, @f:8, @f:8];
-p_g = [@d:8, @g3:8, @b3:8, @d:8, @a:8, @g3:8, @g:8, @b3:8];
-p_c = [@g:8, @c:8, @eb:8, @g:8, @d5:8, @c:8, @c5:8, @c:8];
-p_cF = [@b:8, @c:8, @eb:8, @g:8, @a:8, @eb:8, @f:8, @c:8];
-p1 = [@eb:8, @c:8, @eb:8, @g:8, @eb:8, @g:8, @eb:8, @g:8, @eb:8, @a3:8, @eb:8, @g:8, @eb:8, @g:8, @eb:8, @g:8];
-
-P1 = p_B + p_B + p_B + p_g + p_c + p_cF + p_B + p_g + p1;
-
-b1 = [@b3:1, @g3:1, @c3:1, @c3:2, @f3:2];
-b2 = [@b3:2d, @a3, @g3:1, @c3:2, @h2, @b2, @a2:2, @ab2, @g2];
-B1 = [@b3:1, @b3:1] + b1 + b2;
-
-# Eb
-m1 = [@g:16, @g:16, @g:2, 8, @f:8, @g:16, @ab:16, @g:2, 4, 8, @g:16, @g:16, @ab:8d, @g:16, @g:8, @f:16, @f:2, @b3:16];
-m2 = [@b3:8, @f:8, @f:8, @g:16, @g:8d, @ab:8, @ab:8, @b:16, @ab:16, @ab:8, @g:8, 8, @f:16, @g:16, @b:4d, @f:16, @g:16];
-m3 = [@eb:4d, @b3:16, @b3:16, @h3:8, @db:8, @h3:16, @db:16, @h3:8, @b3:2, 2];
-M2 = m1 + m2 + m3;
-
-p_Eb = [@b:8, @eb:8, @eb5:8, @eb:8, @b:8, @eb:8, @f:8, @b:8];
-p_f = [@ab:8, @f:8, @ab:8, @ab:8, @ab:8, @eb:8, @ab:8, @d:8];
-p_B = [@d, @f, @g, @ab];
-p_EbB = [@b:8, @eb:8, @eb5:8, @eb:8, @b:8, @d:8, @b:8, @d:8];
-p_cf = [@g:8, @c:8, @g:8, @c:8, @h3:2];
-P2 = p_Eb + p_c + p_f + p_B + p_EbB + p_cf;
-
-b1 = [@eb3:2d, @d3, @c3:1, @f3:4d, @e3:8, @eb3, @d3, @b2, @b2, @b2, @b2, @eb3:2, @d3:2];
-b2 = [@c2:2, @f2:2, @eb2:2, 2];
-B2 = b1 + b2;
-
-M = M1 + M2;
-P = P1 + P2;
-B = B1 + B2;
-
-synth({ tuning -> 432, bpm -> 72, overtones -> [0.5, 0.3, 0.15, 0.05], decay -> 0.8 }, transpose(12, M), P, B);
--- a/examples/cantina.mus
+++ b/examples/cantina.mus
@@ -1,120 +0,0 @@
-println("Star Wars :: Cantina Band");
-println("by John Williams");
-
-cb1 = [@a, @d5, @a, @d5] + [@a:8, @d5, @a:8, 8, @g#:8, @a];
-cb2 = [@a:8, @g#:8, @a:8, @g:8, 8, @f#:8, @g:8, @gb:8];
-cb3 = [@f:4d, @d:2, 8];
-cb4 = [@g:8, 8, @g:4d, @f#:8, @g];
-cb5 = [@c5:8, @b, @a, @g:4d];
-cb6 = [@c5:8, 8, @c5:4d, @a:8, @g];
-cb7 = [@f:4d, @d:2, 8];
-cb8 = [@d:2, @f:2, @a:2, @c5:2];
-cb9 = [@eb5, @d5, @g#:8, @a, @f:8];
-
-CB1 = cb1 + cb2 + cb3 + cb1 + cb4 + cb5 + cb1 + cb6 + cb7 + cb8 + cb9 + [1];
-
-cb11 = 2 ^ [8, @a5, @f5:8, @a5:8, 8, 4];
-cb12 = [8, @a5, @f5:8, @g#5:8, @a5, @f5:8];
-cb13 = [@f5:4d, @d5:2, 8];
-cb14 = [8, @a5, @f5:8, @g#5:8, @a5, @g5:8];
-cb15 = [@g5:2, @c5:2];
-cb16 = [@b:8, @d5:8, @f5, @h:8, @d5:8, @f5];
-cb17 = [@g#:8, @a5, @d5:2, 8];
-cb18 = [@d:8, @f:8, @h:8, @d5:8, @g#:8, @a, @f:8];
-cb19 = [@f:2d, 4];
-
-CB2 = cb11 + cb12 + cb13 + cb11 + cb14 + cb15 + cb11 + cb12 + cb13 + cb16 + cb17 + cb18 + cb19;
-
-cb20 = [@f, 8, @ab, @f:8, @g];
-cb21 = [8, @f:8, @ab:8, @f:8, @g:8, @f:8, @ab:8, @d:8];
-cb22 = [@f, 8, @ab, @f:8, @g];
-cb23 = [@f:8, @f:8, @ab:8, @f:8, @g:8, @f:8, @ab:8, @f:8];
-cb24 = [@g:8, @f:8, @ab:8, @f:8, @g:8, @f:8, @ab:8, @d:8];
-cb25 = [@f:8, @f:8, @ab:8, @f:8, @ab:8, @f, @f:8, @f:2d, 4];
-
-CB3 = cb20 + cb21 + cb22 + cb21 + cb22 + cb21 + cb23 + cb24 + cb22 + cb21 + cb22 + cb21 + cb22 + cb21 + cb25;
-
-cb26 = [@c5, 8, @e5:8, 4, @g5];
-cb27 = [@g5:8, @g5, @g5:8, @g5, @e5:8, @c5:8];
-cb28 = [@f5, @f5:8, @f5:8, @f5:8, @g5, @a5:8, @a5:1];
-cb29 = [@e5, @e5, @g5:8, @g5, @c5:8];
-cb30 = [@c5:8, @e5, @c5:8, @e5, @g5];
-cb31 = [@f5, @f5:8, @f5, @g5, @a5:8, @a5:1];
-cb32 = [@b5, @b5, @d6, @b5:8, @db6:8];
-cb33 = [@db6:8, @db6:8, @b5, @db6, @b5];
-cb34 = [@f5, @f5, @f5:8, @ab5, @d6:8, @d6:1];
-cb35 = [8, @b, @d5:8, @g5, @g5];
-cb36 = [8, @e5, 8, @e5, @e5];
-cb37 = [8, @f5, @f5:8, @f5, @f5:8, @f5:8];
-cb38 = [@f5:8, @f5, @f5:8, @f5:8, @f5:8, @f5];
-
-CB4 = cb26 + cb27 + cb28 + cb29 + cb30 + cb31 + cb32 + cb33 + cb34 + cb35 + cb36 + cb37 + cb38;
-
-cb39 = [@ab:8, @gb:8, @ab:8, @gb:8, @ab:8, @gb:8, @ab:8, @gb:8];
-cb40 = [@ab:8, @db5, @ab:8, @db5, @ab:8, @db5:8];
-cb41 = [8, @ab:8, @b:8, @h:8, @c5:8, @h:8, @b:8, 8];
-cb42 = [@ab:8, @db5, @ab:8, @db5, @ab:8, @a:8];
-cb43 = [@b:8, @a:8, @b:4d, @a:8, @b:8, @a:8];
-cb44 = [@b:8, @a:8, @b:8, @h:8, @c5:8, 8, @gb:8, @g:8];
-cb45 = [@b:8, @a:8, @b:4d, @a:8, @b:8, @h:8];
-cb46 = [@c5:8, @g:8, @e:8, @c:8, 8, @c:8, @db:8, @c:8];
-cb47 = [@db:8, @b3, @db:8, @fb:8, @db, @fb:8];
-cb48 = [@f:8, @e:8, @f:8, @gb:8, @g:8, @c, @g:8];
-cb49 = [@ab:8, @g:8, @ab:8, @a:8, @b:8, @a:8, @b:8, @h:8];
-cb50 = [@c5:8, @c5:8, 4, @c5:8, @c5:8, 4];
-cb51 = [@c5, @e5:2, @f5:8, @db5:8];
-cb52 = [@ab:8, @f:8, @fb:8, @eb:8, @d:8, 4, @gb:8];
-cb53 = [@c5:8, @c5, @gb:8, @c5:8, @c5, @h:8];
-cb54 = [@c5:8, @c5, @h:8, @c5:8, @c5, @c5:8];
-cb55 = [@db5:8, @fb:8, @db5:4d, @fb:8, @db5:8, @fb:8];
-cb56 = [@db5:8, @fb:8, @db5:8, @fb:8, @eb:8, @c5, @c5:8];
-cb57 = [@db5:8, @fb:8, @db5:8, @fb:8, @eb:8, @c5, @h3:8];
-cb58 = [@b3:8, @db:8, @gb:8, @b:8, @c:8, @e:8, @g:8, @c5:8];
-cb59 = [@db5:8, @db, @c:8, @db, 4];
-cb60 = [4, @a3, @b3, @a3, @b3, @a3, @gb3:8, @f3:8, @d3:8, 8];
-cb61 = [8, @a3, @a3, @a3, @a3, @a3, @a3:8, @a3:8, @a3];
-
-CB5 = cb39 + cb40 + cb41 + cb39 + cb42 + cb43 + cb44 + cb39 + cb42 + cb45 + cb46 + cb47 + cb48 + cb49 + cb50 + cb50 + cb51 + cb52 + cb53 + cb54 + cb55 + cb56 + cb55 + cb56 + cb55 + cb57 + cb58 + cb59 + cb60 + cb60 + cb60;
-
-CB = CB1 + CB2 + CB3 + (2 ^ CB4) + CB5;
-
-b1 = (3 ^ [@d3, 4, @a2, 4]) + [@f3, 4, @c3, 4, @d3, 4, @a2, 4, @d3, 4, @a2, 4, @g2, 4, @g2, 4];
-b2 = [@c3, @d3, @d#3, @e3, @d3, 4, @a2, 4, @d3, 4, @a2, 4, @c3, 4, @c3, 4];
-b3 = [@f3, 4, @c3, 4, @b2, 4, @b2, 4, @f3, 4, @d3, 4, @g3, 4, @c3, 4, @f3, @e3, @d3, @c3];
-
-B1 = b1 + b2 + b3;
-
-b4 = (3 ^ [@d3, 4, @a2, 4]) + [@d3:4d, @g#2:4d, @a2];
-b5 = (3 ^ [@d3, 4, @a2, 4]) + [@eb3:2, @c3, @c3];
-b6 = (4 ^ [@d3, 4, @a2, 4]);
-b7 = [@b2:8, @b2:8, 4, @h2:8, @h2:8, 4, @c3:4d, @d3:8, 8, @d3:8, @d3, @g2, 4, @c3:4d, @f3:4d, @e3, @d3, @c3];
-
-B2 = b4 + b5 + b6 + b7;
-
-b8 = 3 ^ [@d3, @c3, @b2, @a2, @g2, @f2, @e2, @d2];
-b9 = [@d3, 4, 2, 2, 4, @a2];
-b10 = [@d3, @b2, @a2, @a2, @d3:8, 8, 4, 2];
-
-B3 = b8 + b9 + b8 + b10;
-
-b11 = [@c3, 4, @g2, 4, @c3, 8, @b2:4d, @g2, @f2, 4, @c3, 4, @f3, 8, @e3:4d, @d3];
-b12 = [@c3, 4, @g3, 4, @c3, 8, @b2:4d, @g2, @f2, 4, @c3, 4, @d3, 8, @f#2:4d, @a2];
-b13 = [@b2, 4, @b2, 4, @h2, 4, @h2, 4, @c3, 4, @c3, 4, @d3, 8, @d3:4d, @f#2];
-b14 = [@g2, 4, @d3, 4, @c3, 8, @c3:4d, @g3, @f3, 4, @db3, 4, @f3, @f3, @e3, @d3];
-
-B4 = b11 + b12 + b13 + b14;
-
-b15 = [@db3, @c3, @b2, @ab2, @gb2, @f2, @eb2, @db2, @db3, @b2, @a2, @ab2];
-b16 = [@db3, @c3, @b2, @ab2, @gb2, @f2, @eb2, @db2, @eb2, @e2, @f2, @gb2];
-b17 = [@e2, @d2, @h2, @ab2, @h2, @ab2, @f2, @eb2, @db2, @c2, @b1, @ab1];
-#                            ^ or B?
-b18 = [@gb2, @gb2, @gb2, @db3, @c3, @c3, @e3, @g3, @gb3, @gb3, @g3, @g3];
-b19 = [@ab3, @db3, @c3, @c3, @f3, @c3, @gb3, @gb3, @c3, 4, @c3, 4];
-b20 = [@f3, 4, @f3, 4, @c3, @c3, 4, @db3:8, @f3:8, @ab3:8, @a3:8, @b3:8, @h3:8, @c:8, 8, 8, 16, @g3:16];
-b21 = [@c3, 4, @c3, 4, @f3, 4, @f3, 4, @gb2, 4, @ab2, 4, @a2, 4, @db3, 4, @gb2, 4, @ab2, 4, @a2, 4, @db3, 4, @d, 4, @eb, 4];
-b22 = [@e3, 4, @f3, 4, @gb3, 4, @g3, 4, @db3, 4, @db3, 4];
-B5 = b15 + b16 + b17 + b18 + b19 + b20 + b21 + b22;
-
-B = B1 + B2 + B3 + (2 ^ B4) + B5;
-
-synth({ tuning -> 432, bpm -> 270 }, flat(CB), flat(B));
--- a/examples/les_anges.mus
+++ b/examples/les_anges.mus
@@ -1,31 +0,0 @@
-println("Les Anges dans nos campagnes");
-
-s = [@a, @a, @a, @c5, @c5:4d, @b:8, @a:2, @a, @g, @a, @c5, @a:4d, @g:8, @f:2];
-sc = [@c5:2, @d5:8, @c5:8, @b:8, @a:8, @b:2, @c5:8, @b:8, @a:8, @g:8, @a:2, @b:8, @a:8, @g:8, @f:8, @g:4d, @c:8, @c:2, @f, @g, @a, @b];
-sca = [@a:2, @g, 4];
-scb = [@a:2, @g:2, @f:2d, 4];
-
-S = flat(2^s, sc, sca, sc, scb);
-
-a = [@f, @f, @e, @e, @g, @e, @f:2, @f, @e, @f, @f, @f, @e, @f:2];
-ac = [@f, @a:8, @g:8, @f:2d, @g:8, @f:8, @e:2d, @f:8, @e:8, @d:2, @c:4d, @c:8, @c:2, @c, @e, @f, @g];
-aca = [@f:2, @e, 4];
-acb = [@f:2, @e:2, @c:2d, 4];
-
-A = flat(2^a, ac, aca, ac, acb);
-
-t = [@c, @c, @c, @c, @d, @c, @c:2, @c, @c, @c, @c, @c:4d, @b3:8, @a3:2];
-tc = [@a3:2, @d:1, @c:1, @b3:2, @g3, @f3, @e3:2, @f3, @c, @c, @d];
-tca = [@c:2, @c, 4];
-tcb = [@c:2d, @b3, @a3:2d, 4];
-
-T = flat(2^t, tc, tca, tc, tcb);
-
-b = [@f3, @f3, @a3, @a3, @g3, @c3, @f3:2, @f3, @c3, @f3, @a3, @c, @c3, @f3:2];
-bc = [@f3:2, @d3, @f3, @g3:2, @c3, @e3, @f3:2, @b2, @d3, @e3, @d3, @c3, @b2, @a2, @c3, @f3, @b2];
-bca = [@c3:2, @c3, 4];
-bcb = [@c3:1, @f3:2d, 4];
-
-B = flat(2^b, bc, bca, bc, bcb);
-
-synth({ tuning -> 432, overtones -> [0.6, 0.3, 0.07, 0.03], attack -> 200, decay -> 0.6 }, S, A, T, B);
--- a/examples/per_crucem.mus
+++ b/examples/per_crucem.mus
@@ -1,18 +0,0 @@
-println("Per Crucem - canon");
-
-d1 = [@d:2, @d:2, @c:2, @f:4d, @f:8, @f, @f, @e, @d, @e:2, @d:2];
-d2 = [@d:8, @f:8, @a:8, @d5:8, @b:8, @a:8, @g, @c:8, @e:8, @g:8, @c5:8, @a:8, @g:8, @f, @b3:8, @d:8, @f:8, @b:8, @g:8, @f:8, @e, @a, @e, @f:2];
-d3 = [@a:2, @b:2, @c5:2, @a:4d, @a:8, @b, @f, @g, @g, @a, @e, @f:2];
-d4 = [@d5:8, @c5:8, @b:8, @a:8, @g:8, @a:8, @b, @c5:8, @b:8, @a:8, @g:8, @f:8, @g:8, @a, @b:8, @a:8, @g:8, @f:8, @e:8, @f:8, @g, @a, @e, @f:2];
-d5 = [@d5:2, @d5:2, @c5:2, @c5:2, @d5:8, @c5:8, @b:8, @a:8, @b, @b, @a:2, @a:2];
-d6 = [@d:8, @d:8, @d:8, @d:8, @g:8, @g:8, @g, @c:8, @c:8, @c:8, @c:8, @f:8, @f:8, @f, @b3:8, @b3:8, @b3:8, @b3:8, @e:8, @e:8, @e, @a3, @a3, @d:2];
-
-p = [1, 1, 1, 1];
-
-S = d1 + d2 + d3 + d4 + d5 + d6 + d1 + d2 + d3;
-A = p  + d1 + d2 + d3 + d4 + d5 + d6 + d1 + d2;
-T = p  + p  + d1 + d2 + d3 + d4 + d5 + d6 + d1;
-B = p  + p  + p  + d1 + d2 + d3 + d4 + d5 + d6;
-
-wv = wave(S, A, transpose(-12, T), transpose(-12, B));
-synth(wv);
--- a/examples/quem_pastores.mus
+++ b/examples/quem_pastores.mus
@@ -1,31 +0,0 @@
-println("Narodził się nam Zbawiciel / Quem pastores laudavere");
-println("mel.: XIV w.");
-println("sł.: XV - XVI w.");
-println("harm.: Bartłomiej Pluta");
-
-s1 = [@f:2, @a, @c5:2, @a, @c5:2, @d5, @c5, @g:2];
-s2 = [@a:2, @c5, @b:2, @g, @f:2, @d, @e, @c:2];
-s3 = [@a:2, @b, @c5:2, @d5, @c5:2, @g, @a, @f:2];
-s4 = [@b:2, @b, @a, @g, @a, @f, @d, @e, @f:2d];
-
-a1 = [@c:2, @f, @g:2, @f, @f, @g, @f, @f, @f, @e];
-a2 = [@f, @e, @eb, @d:2, @c, @d:2, @d, @c, @c, @b3];
-a3 = [@c:2, @c, @f, @d, @g, @g:2, @e, @e, @d:2];
-a4 = [@f:2, @f, @f, @e, @f, @c:2, @c, @c:2d];
-
-t1 = [@a, @b, @c5, @c5, @b, @c5, @a:2, @b, @a, @c5:2];
-t2 = [@c5:2, @a, @b:2, @c5, @d5, @c, @b, @g, @g:2];
-t3 = [@f, @a, @g, @a:2, @b, @b:2, @g, @g, @a:2];
-t4 = [@d5, @db5, @db5, @c5, @b, @a, @g:2, @b, @a:2d];
-
-b1 = [@f:2, @f, @e:2, @f, @f:2, @f, @c, @c:2];
-b2 = [@f:2, @f#, @g, @f, @e, @d, @f, @g, @c, @e:2];
-b3 = [@f:2, @e, @f, @f#, @g, @e, @d, @c, @c#, @d, @c];
-b4 = [@b3:2, @b, @c:2, @c, @c:2, @c, @f:2d];
-
-S = s1 + s2 + s3 + s4;
-A = a1 + a2 + a3 + a4;
-T = transpose(-12, t1 + t2 + t3 + t4);
-B = transpose(-12, b1 + b2 + b3 + b4);
-
-synth({ overtones -> [0.6, 0.25, 0.1] + (2 ^ 0.0) + [0.05], attack -> 50, decay -> 1 }, S, A, T, B);
--- a/img/notes/cd4fga8c.png
+++ b/img/notes/cd4fga8c.png
--- a/img/notes/cdef.png
+++ b/img/notes/cdef.png
--- a/img/notes/poly1.png
+++ b/img/notes/poly1.png
--- a/img/notes/poly2.png
+++ b/img/notes/poly2.png
--- a/img/notes/starwars.png
+++ b/img/notes/starwars.png
--- a/img/notes/twinkle1.png
+++ b/img/notes/twinkle1.png
--- a/img/notes/twinkle2.png
+++ b/img/notes/twinkle2.png
--- a/img/notes/twinkle3.png
+++ b/img/notes/twinkle3.png
--- a/img/plots/a_127.png
+++ b/img/plots/a_127.png
--- a/img/plots/a_1overtone.png
+++ b/img/plots/a_1overtone.png
--- a/img/plots/a_1overtone_fft.png
+++ b/img/plots/a_1overtone_fft.png
--- a/img/plots/a_2overtones.png
+++ b/img/plots/a_2overtones.png
--- a/img/plots/a_2overtones_fft.png
+++ b/img/plots/a_2overtones_fft.png
--- a/img/plots/a_3overtones.png
+++ b/img/plots/a_3overtones.png
--- a/img/plots/a_3overtones_fft.png
+++ b/img/plots/a_3overtones_fft.png
--- a/img/plots/a_440.png
+++ b/img/plots/a_440.png
--- a/img/plots/attack0.png
+++ b/img/plots/attack0.png
--- a/img/plots/attack1.png
+++ b/img/plots/attack1.png
--- a/img/plots/attack10.png
+++ b/img/plots/attack10.png
--- a/img/plots/attack100.png
+++ b/img/plots/attack100.png
--- a/img/plots/attack5.png
+++ b/img/plots/attack5.png
--- a/img/plots/c.png
+++ b/img/plots/c.png
--- a/img/plots/decay0.png
+++ b/img/plots/decay0.png
--- a/img/plots/decay05.png
+++ b/img/plots/decay05.png
--- a/img/plots/decay1.png
+++ b/img/plots/decay1.png
--- a/img/plots/decay10.png
+++ b/img/plots/decay10.png
--- a/img/plots/decay5.png
+++ b/img/plots/decay5.png
--- a/img/plots/default.png
+++ b/img/plots/default.png
--- a/img/plots/example_config.png
+++ b/img/plots/example_config.png
--- a/img/plots/spectrum.png
+++ b/img/plots/spectrum.png
--- a/img/schemas/wait_fsm.png
+++ b/img/schemas/wait_fsm.png
--- a/os_requirements.txt
+++ b/os_requirements.txt
@@ -1,2 +0,0 @@
-You have to have installed `PortAudio` in order to use app.
-
--- a/smnp/ast/node/atom.py
+++ b/smnp/ast/node/atom.py
@@ -1,6 +1,7 @@
 from smnp.ast.node.model import Node
-from smnp.ast.parser import Parser
+from smnp.ast.parser import Parsers
 from smnp.token.type import TokenType
+from smnp.util.singleton import SingletonParser


 class Atom(Node):
@@ -27,10 +28,6 @@ class IntegerLiteral(Atom):
    pass


-class FloatLiteral(Atom):
-    pass
-
-
 class StringLiteral(Atom):
    pass

@@ -47,63 +44,60 @@ class TypeLiteral(Atom):
    pass


-def IntegerParser(input):
-    return Parser.terminal(TokenType.INTEGER, createNode=IntegerLiteral.withValue)(input)
-
-
-def FloatParser(input):
-    return Parser.terminal(TokenType.FLOAT, createNode=FloatLiteral.withValue)(input)
-
-
-def StringParser(input):
-    return Parser.terminal(TokenType.STRING, createNode=StringLiteral.withValue)(input)
-
-
-def NoteParser(input):
-    return Parser.terminal(TokenType.NOTE, createNode=NoteLiteral.withValue)(input)
-
-
-def BoolParser(input):
-    return Parser.terminal(TokenType.BOOL, createNode=BoolLiteral.withValue)(input)
-
-
-def TypeLiteralParser(input):
-    return Parser.terminal(TokenType.TYPE, createNode=TypeLiteral.withValue)(input)
-
-
-def LiteralParser(input):
-    return Parser.oneOf(
-        IntegerParser,
-        FloatParser,
-        StringParser,
-        NoteParser,
-        BoolParser,
-        TypeLiteralParser,
-        name="literal"
-    )(input)
-
-
-def AtomParser(input):
-    from smnp.ast.node.identifier import IdentifierParser
-    from smnp.ast.node.list import ListParser
-    from smnp.ast.node.map import MapParser
-    from smnp.ast.node.expression import ExpressionParser
-
-    parentheses = Parser.allOf(
-        Parser.terminal(TokenType.OPEN_PAREN),
-        Parser.doAssert(ExpressionParser, "expression"),
-        Parser.terminal(TokenType.CLOSE_PAREN),
-        createNode=lambda open, expr, close: expr,
-        name="grouping parentheses"
+@SingletonParser
+def IntegerParser():
+    return Parsers.oneOf(
+        Parsers.terminal(TokenType.INTEGER, lambda val, pos: IntegerLiteral.withValue(int(val), pos)),
+        Parsers.allOf(
+            Parsers.terminal(TokenType.MINUS),
+            Parsers.terminal(TokenType.INTEGER, lambda val, pos: IntegerLiteral.withValue(int(val), pos)),
+            createNode=lambda minus, integer: IntegerLiteral.withValue(-integer.value, minus.pos),
+            name="negativeInteger"
+        ),
+        name="int"
    )

-    return Parser.oneOf(
-        parentheses,
-        LiteralParser,
-        IdentifierParser,
-        ListParser,
-        MapParser,
+
+@SingletonParser
+def StringParser():
+    return Parsers.terminal(TokenType.STRING, createNode=StringLiteral.withValue)
+
+
+@SingletonParser
+def NoteParser():
+    return Parsers.terminal(TokenType.NOTE, createNode=NoteLiteral.withValue)
+
+
+@SingletonParser
+def BoolParser():
+    return Parsers.terminal(TokenType.BOOL, createNode=BoolLiteral.withValue)
+
+
+@SingletonParser
+def TypeParser():
+    return Parsers.terminal(TokenType.TYPE, createNode=TypeLiteral.withValue)
+
+
+@SingletonParser
+def LiteralParser():
+    return Parsers.oneOf(
+        IntegerParser(),
+        StringParser(),
+        NoteParser(),
+        BoolParser(),
+        TypeParser(),
+        name="literal"
+    )
+
+
+@SingletonParser
+def AtomParser():
+    from smnp.ast.node.identifier import IdentifierParser
+
+    return Parsers.oneOf(
+        LiteralParser(),
+        IdentifierParser(),
        name="atom"
-    )(input)
+    )


--- a/smnp/ast/node/block.py
+++ b/smnp/ast/node/block.py
@@ -9,9 +9,11 @@ class Block(Node):


 def BlockParser(input):
-    return Parser.loop(
-        Parser.terminal(TokenType.OPEN_CURLY),
+    parser = Parser.loop(
+        Parser.terminalParser(TokenType.OPEN_CURLY),
        Parser.doAssert(StatementParser, f"statement or '{TokenType.CLOSE_CURLY.key}'"),
-        Parser.terminal(TokenType.CLOSE_CURLY),
+        Parser.terminalParser(TokenType.CLOSE_CURLY),
        createNode=lambda open, statements, close: Block.withChildren(statements, open.pos)
-    )(input)
+    )
+
+    return Parser(parser, "block", [parser])(input)
--- a/smnp/ast/node/chain.py
+++ b/smnp/ast/node/chain.py
@@ -0,0 +1,32 @@
+from smnp.ast.node.list import ListParser
+from smnp.ast.node.operator import BinaryOperator
+from smnp.ast.node.valuable import Valuable
+from smnp.ast.parser import Parsers
+from smnp.token.type import TokenType
+from smnp.util.singleton import SingletonParser
+
+
+class Chain(Valuable):
+    pass
+
+
+
+@SingletonParser
+def ChainParser():
+    from smnp.ast.node.atom import AtomParser
+
+    itemParser = Parsers.oneOf(
+        ListParser,
+        #MapParser,
+        AtomParser,
+        name="chainItem"
+    )
+
+    return Parsers.leftAssociativeOperatorParser(
+        itemParser,
+        [TokenType.DOT],
+        itemParser,
+        lambda left, op, right: Chain.withValue(BinaryOperator.withValues(left, op, right)),
+        name="chain"
+    )
+
--- a/smnp/ast/node/condition.py
+++ b/smnp/ast/node/condition.py
@@ -1,4 +1,4 @@
-from smnp.ast.node.expression import ExpressionParser
+from smnp.ast.node.expression import MaxPrecedenceExpressionParser
 from smnp.ast.node.model import Node
 from smnp.ast.node.none import NoneNode
 from smnp.ast.node.statement import StatementParser
@@ -46,23 +46,23 @@ class IfElse(Node):

 def IfElseStatementParser(input):
    ifStatementParser = Parser.allOf(
-        Parser.terminal(TokenType.IF),
-        Parser.terminal(TokenType.OPEN_PAREN),
-        ExpressionParser,
-        Parser.terminal(TokenType.CLOSE_PAREN),
+        Parser.terminalParser(TokenType.IF),
+        Parser.terminalParser(TokenType.OPEN_PAREN),
+        MaxPrecedenceExpressionParser,
+        Parser.terminalParser(TokenType.CLOSE_PAREN),
        StatementParser,
        createNode=lambda _, __, condition, ___, ifStatement: IfElse.createNode(ifStatement, condition),
        name="if statement"
    )

    ifElseStatementParser = Parser.allOf(
-        Parser.terminal(TokenType.IF),
-        Parser.terminal(TokenType.OPEN_PAREN, doAssert=True),
-        Parser.doAssert(ExpressionParser, "expression"),
-        Parser.terminal(TokenType.CLOSE_PAREN, doAssert=True),
-        Parser.doAssert(StatementParser, "statement"),
-        Parser.terminal(TokenType.ELSE),
-        Parser.doAssert(StatementParser, "statement"),
+        Parser.terminalParser(TokenType.IF),
+        Parser.terminalParser(TokenType.OPEN_PAREN),
+        MaxPrecedenceExpressionParser,
+        Parser.terminalParser(TokenType.CLOSE_PAREN),
+        StatementParser,
+        Parser.terminalParser(TokenType.ELSE),
+        StatementParser,
        createNode=lambda _, __, condition, ___, ifStatement, ____, elseStatement: IfElse.createNode(ifStatement, condition, elseStatement),
        name="if-else statement"
    )
--- a/smnp/ast/node/expression.py
+++ b/smnp/ast/node/expression.py
@@ -1,128 +1,63 @@
-from smnp.ast.node.model import Node
-from smnp.ast.node.none import NoneNode
-from smnp.ast.node.operator import BinaryOperator, Operator
+from smnp.ast.node.operator import BinaryOperator
 from smnp.ast.node.term import TermParser
+from smnp.ast.node.valuable import Valuable
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType


-class Sum(BinaryOperator):
+class Expression(Valuable):
    pass


-class Relation(BinaryOperator):
-    pass
-
-
-class And(BinaryOperator):
-    pass
-
-
-class Or(BinaryOperator):
-    pass
-
-
-class Loop(BinaryOperator):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children.extend([NoneNode(), NoneNode()])
-
-    @property
-    def parameters(self):
-        return self[3]
-
-    @parameters.setter
-    def parameters(self, value):
-        self[3] = value
-
-    @property
-    def filter(self):
-        return self[4]
-
-    @filter.setter
-    def filter(self, value):
-        self[4] = value
-
-    @classmethod
-    def loop(cls, left, parameters, operator, right, filter):
-        node = cls(left.pos)
-        node.left = left
-        node.parameters = parameters
-        node.operator = operator
-        node.right = right
-        node.filter = filter
-        return node
-
-
-class LoopParameters(Node):
-    pass
-
-
-def ExpressionWithoutLoopParser(input):
-    expr1 = Parser.leftAssociativeOperatorParser(
-        TermParser,
-        [TokenType.PLUS, TokenType.MINUS],
-        TermParser,
-        lambda left, op, right: Sum.withValues(left, op, right)
-    )
-
-    expr2 = Parser.leftAssociativeOperatorParser(
-        expr1,
-        [TokenType.RELATION, TokenType.OPEN_ANGLE, TokenType.CLOSE_ANGLE],
-        expr1,
-        lambda left, op, right: Relation.withValues(left, op, right)
-    )
-
-    expr3 = Parser.leftAssociativeOperatorParser(
-        expr2,
-        [TokenType.AND],
-        expr2,
-        lambda left, op, right: And.withValues(left, op, right)
-    )
-
-    return Parser.leftAssociativeOperatorParser(
-        expr3,
-        [TokenType.OR],
-        expr3,
-        lambda left, op, right: Or.withValues(left, op, right)
-    )(input)
-
-
-def LoopParser(input):
-    from smnp.ast.node.identifier import IdentifierLiteralParser
-    from smnp.ast.node.iterable import abstractIterableParser
-    from smnp.ast.node.statement import StatementParser
-
-    loopParameters = Parser.allOf(
-        Parser.terminal(TokenType.AS),
-        Parser.oneOf(
-            Parser.wrap(IdentifierLiteralParser, lambda id: LoopParameters.withChildren([id], id.pos)),
-            abstractIterableParser(LoopParameters, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, IdentifierLiteralParser)
-        ),
-        createNode=lambda asKeyword, parameters: parameters,
-        name="loop parameters"
-    )
-
-    loopFilter = Parser.allOf(
-        Parser.terminal(TokenType.PERCENT),
-        Parser.doAssert(ExpressionWithoutLoopParser, "filter as bool expression"),
-        createNode=lambda percent, expr: expr,
-        name="loop filter"
-    )
-
-    return Parser.allOf(
-        ExpressionWithoutLoopParser,
-        Parser.optional(loopParameters),
-        Parser.terminal(TokenType.CARET, createNode=Operator.withValue),
-        StatementParser,
-        Parser.optional(loopFilter),
-        createNode=Loop.loop,
-        name="caret-loop"
-    )(input)
-
-
 def ExpressionParser(input):
-    return Parser.oneOf(
-        LoopParser,
-        ExpressionWithoutLoopParser
+    return Parser.leftAssociativeOperatorParser(
+        TermParser,
+        [TokenType.PLUS, TokenType.MINUS],
+        TermParser,
+        lambda left, op, right: Expression.withValue(BinaryOperator.withValues(left, op, right))
    )(input)
+
+
+def Expression2Parser(input):
+    return Parser.leftAssociativeOperatorParser(
+        ExpressionParser,
+        [TokenType.RELATION],
+        ExpressionParser,
+        lambda left, op, right: Expression.withValue(BinaryOperator.withValues(left, op, right))
+    )(input)
+
+
+def Expression3Parser(input):
+    return Parser.leftAssociativeOperatorParser(
+        Expression2Parser,
+        [TokenType.AND],
+        Expression2Parser,
+        lambda left, op, right: Expression.withValue(BinaryOperator.withValues(left, op, right))
+    )(input)
+
+
+def Expression4Parser(input):
+    from smnp.ast.node.condition import IfElse
+    exprParser = Parser.leftAssociativeOperatorParser(
+        Expression3Parser,
+        [TokenType.OR],
+        Expression3Parser,
+        lambda left, op, right: Expression.withValue(BinaryOperator.withValues(left, op, right))
+    )
+
+    ifElseExpression = Parser.allOf(
+        exprParser,
+        Parser.terminalParser(TokenType.IF),
+        Expression4Parser,
+        Parser.terminalParser(TokenType.ELSE),
+        Expression4Parser,
+        createNode=lambda ifNode, _, condition, __, elseNode: IfElse.createNode(ifNode, condition, elseNode)
+    )
+
+    return Parser.oneOf(
+        ifElseExpression,
+        exprParser,
+    )(input)
+
+
+MaxPrecedenceExpressionParser = Expression4Parser
--- a/smnp/ast/node/extend.py
+++ b/smnp/ast/node/extend.py
@@ -1,88 +1,70 @@
-from smnp.ast.node.block import Block
-from smnp.ast.node.function import FunctionDefinitionParser
-from smnp.ast.node.identifier import IdentifierLiteralParser
-from smnp.ast.node.model import Node
-from smnp.ast.node.none import NoneNode
-from smnp.ast.node.type import TypeParser
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class Extend(Node):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode(), NoneNode()]
-
-    @property
-    def type(self):
-        return self[0]
-
-    @type.setter
-    def type(self, value):
-        self[0] = value
-
-    @property
-    def variable(self):
-        return self[1]
-
-    @variable.setter
-    def variable(self, value):
-        self[1] = value
-
-    @property
-    def methods(self):
-        return self[2]
-
-    @methods.setter
-    def methods(self, value):
-        self[2] = value
-
-    @classmethod
-    def withValues(cls, pos, type, variable, methods):
-        node = cls(pos)
-        node.type = type
-        node.variable = variable
-        node.methods = methods
-        return node
-
-
-def ExtendParser(input):
-
-    simpleExtend = Parser.allOf(
-        Parser.terminal(TokenType.EXTEND),
-        TypeParser,
-        Parser.terminal(TokenType.AS),
-        IdentifierLiteralParser,
-        Parser.terminal(TokenType.WITH),
-        Parser.doAssert(Parser.wrap(FunctionDefinitionParser, lambda method: Block.withChildren([ method ], method.pos)), "method definition"),
-        createNode=lambda extend, type, _, variable, __, methods: Extend.withValues(extend.pos, type, variable, methods),
-        name="simple extend"
-    )
-
-    multiExtend = Parser.allOf(
-        Parser.terminal(TokenType.EXTEND),
-        Parser.doAssert(TypeParser, "type being extended"),
-        Parser.terminal(TokenType.AS, doAssert=True),
-        Parser.doAssert(IdentifierLiteralParser, "variable name"),
-        Parser.doAssert(MethodsDeclarationParser, f"block with methods definitions or '{TokenType.WITH.key}' keyword"),
-        createNode=lambda extend, type, _, variable, methods: Extend.withValues(extend.pos, type, variable, methods),
-        name="multiple extend"
-    )
-
-
-    return Parser.oneOf(
-        simpleExtend,
-        multiExtend,
-        name="extend"
-    )(input)
-
-
-def MethodsDeclarationParser(input):
-    return Parser.loop(
-        Parser.terminal(TokenType.OPEN_CURLY),
-        Parser.doAssert(FunctionDefinitionParser, f"method definition or '{TokenType.CLOSE_CURLY.key}'"),
-        Parser.terminal(TokenType.CLOSE_CURLY),
-        createNode=lambda open, methods, close: Block.withChildren(methods, open.pos),
-        name="methods block"
-    )(input)
-
+# from smnp.ast.node.block import BlockNode
+# from smnp.ast.node.function import FunctionDefinitionNode
+# from smnp.ast.node.identifier import IdentifierNode
+# from smnp.ast.node.none import NoneNode
+# from smnp.ast.node.statement import StatementNode
+# from smnp.ast.node.type import TypeNode
+# from smnp.ast.parser import Parser
+# from smnp.token.type import TokenType
+#
+#
+# class ExtendNode(StatementNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#         self.children = [NoneNode(), NoneNode(), NoneNode()]
+#
+#     @property
+#     def type(self):
+#         return self[0]
+#
+#     @type.setter
+#     def type(self, value):
+#         self[0] = value
+#
+#     @property
+#     def variable(self):
+#         return self[1]
+#
+#     @variable.setter
+#     def variable(self, value):
+#         self[1] = value
+#
+#     @property
+#     def methods(self):
+#         return self[2]
+#
+#     @methods.setter
+#     def methods(self, value):
+#         self[2] = value
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         def createNode(extend, type, asKeyword, variable, methods):
+#             node = ExtendNode(extend.pos)
+#             node.type = type
+#             node.variable = variable
+#             node.methods = methods
+#             return node
+#
+#         return Parser.allOf(
+#             Parser.terminalParser(TokenType.EXTEND),
+#             Parser.doAssert(TypeNode.parse, "type being extended"),
+#             Parser.terminalParser(TokenType.AS, doAssert=True),
+#             Parser.doAssert(IdentifierNode.identifierParser(), "variable name"),
+#             Parser.doAssert(cls._methodsDeclarationsParser(), "methods declarations"),
+#             createNode=createNode
+#         )(input)
+#
+#     @classmethod
+#     def _methodsDeclarationsParser(cls):
+#         def createNode(openBracket, items, closeBracket):
+#             node = BlockNode(openBracket.pos)
+#             node.children = items
+#             return node
+#
+#         return Parser.loop(
+#             Parser.terminalParser(TokenType.OPEN_CURLY),
+#             Parser.doAssert(FunctionDefinitionNode.parse, f"method declaration or '{TokenType.CLOSE_CURLY.key}'"),
+#             Parser.terminalParser(TokenType.CLOSE_CURLY),
+#             createNode=createNode
+#         )
--- a/smnp/ast/node/factor.py
+++ b/smnp/ast/node/factor.py
@@ -1,34 +1,64 @@
+from smnp.ast.node.chain import ChainParser
 from smnp.ast.node.operator import BinaryOperator, Operator, UnaryOperator
-from smnp.ast.node.unit import UnitParser
+from smnp.ast.node.valuable import Valuable
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType

+
+class Factor(Valuable):
+    pass
+
+
 class NotOperator(UnaryOperator):
    pass

-
-class Power(BinaryOperator):
+class Loop(BinaryOperator):
    pass

+
 def FactorParser(input):
+    from smnp.ast.node.expression import MaxPrecedenceExpressionParser
+    from smnp.ast.node.statement import StatementParser

    powerFactor = Parser.leftAssociativeOperatorParser(
-        UnitParser,
+        ChainParser,
        [TokenType.DOUBLE_ASTERISK],
-        UnitParser,
-        lambda left, op, right: Power.withValues(left, op, right),
+        ChainParser,
+        lambda left, op, right: Factor.withValue(BinaryOperator.withValues(left, op, right)),
        name="power operator"
    )

-    notOperator = Parser.allOf(
-        Parser.terminal(TokenType.NOT, Operator.withValue),
+    exprFactor = Parser.allOf(
+        Parser.terminalParser(TokenType.OPEN_PAREN),
+        MaxPrecedenceExpressionParser,
+        Parser.terminalParser(TokenType.CLOSE_PAREN),
+        createNode=lambda open, expr, close: expr,
+        name="grouping parentheses"
+    )
+
+    factorParser = Parser.oneOf(
        powerFactor,
+        exprFactor,
+        name="basic factor"
+    )
+
+    notOperator = Parser.allOf(
+        Parser.terminalParser(TokenType.NOT, Operator.withValue),
+        factorParser,
        createNode=NotOperator.withValues,
        name="not"
    )

+    loopFactor = Parser.allOf(
+        factorParser,
+        Parser.terminalParser(TokenType.DASH, createNode=Operator.withValue),
+        StatementParser,
+        createNode=Loop.withValues,
+        name="dash-loop"
+    )
+
    return Parser.oneOf(
+        loopFactor,
        notOperator,
-        powerFactor,
-        name="factor"
+        factorParser
    )(input)
--- a/smnp/ast/node/function.py
+++ b/smnp/ast/node/function.py
@@ -1,165 +1,128 @@
-from smnp.ast.node.block import BlockParser
-from smnp.ast.node.expression import ExpressionParser
-from smnp.ast.node.identifier import IdentifierLiteralParser
-from smnp.ast.node.iterable import abstractIterableParser
-from smnp.ast.node.model import Node
-from smnp.ast.node.none import NoneNode
-from smnp.ast.node.type import TypeParser, Type
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class ArgumentsDeclaration(Node):
-    pass
-
-
-class Argument(Node):
-
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode(), False, NoneNode()]
-
-    @property
-    def type(self):
-        return self[0]
-
-
-    @type.setter
-    def type(self, value):
-        self[0] = value
-
-
-    @property
-    def variable(self):
-        return self[1]
-
-
-    @variable.setter
-    def variable(self, value):
-        self[1] = value
-
-
-    @property
-    def vararg(self):
-        return self[2]
-
-
-    @vararg.setter
-    def vararg(self, value):
-        self[2] = value
-
-
-    @property
-    def optionalValue(self):
-        return self[3]
-
-    @optionalValue.setter
-    def optionalValue(self, value):
-        self[3] = value
-
-class VarargNode(Node):
-    pass
-
-
-class FunctionDefinition(Node):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode(), NoneNode()]
-
-    @property
-    def name(self):
-        return self[0]
-
-    @name.setter
-    def name(self, value):
-        self[0] = value
-
-    @property
-    def arguments(self):
-        return self[1]
-
-    @arguments.setter
-    def arguments(self, value):
-        self[1] = value
-
-    @property
-    def body(self):
-        return self[2]
-
-    @body.setter
-    def body(self, value):
-        self[2] = value
-
-    @classmethod
-    def withValues(cls, name, arguments, body):
-        node = cls(name.pos)
-        node.name = name
-        node.arguments = arguments
-        node.body = body
-        return node
-
-
-def RegularArgumentParser(input):
-    def createNode(type, variable, vararg):
-        pos = type.pos if isinstance(type, Type) else variable.pos
-        node = Argument(pos)
-        node.type = type
-        node.variable = variable
-        node.vararg = vararg is True
-        return node
-
-    return Parser.allOf(
-        Parser.optional(TypeParser),
-        Parser.doAssert(IdentifierLiteralParser, "argument name"),
-        Parser.optional(Parser.terminal(TokenType.DOTS, lambda val, pos: True)),
-        createNode=createNode,
-        name="regular function argument"
-    )(input)
-
-
-def OptionalArgumentParser(input):
-    def createNode(type, variable, _, optional):
-        pos = type.pos if isinstance(type, Type) else variable.pos
-        node = Argument(pos)
-        node.type = type
-        node.variable = variable
-        node.optionalValue = optional
-        return node
-
-    return Parser.allOf(
-        Parser.optional(TypeParser),
-        Parser.doAssert(IdentifierLiteralParser, "argument name"),
-        Parser.terminal(TokenType.ASSIGN),
-        Parser.doAssert(ExpressionParser, "expression"),
-        createNode=createNode,
-        name="optional function argument"
-    )(input)
-
-
-def ArgumentParser(input):
-    return Parser.oneOf(
-        OptionalArgumentParser,
-        RegularArgumentParser,
-        name="function argument"
-    )(input)
-
-
-def ArgumentsDeclarationParser(input):
-    return abstractIterableParser(
-        ArgumentsDeclaration,
-        TokenType.OPEN_PAREN,
-        TokenType.CLOSE_PAREN,
-        Parser.doAssert(ArgumentParser, "function/method argument")
-    )(input)
-
-
-def FunctionDefinitionParser(input):
-    return Parser.allOf(
-        Parser.terminal(TokenType.FUNCTION),
-        Parser.doAssert(IdentifierLiteralParser, "function/method name"),
-        Parser.doAssert(ArgumentsDeclarationParser, "function/method arguments"),
-        Parser.doAssert(BlockParser, "function/method body"),
-        createNode=lambda _, name, args, body: FunctionDefinition.withValues(name, args, body),
-        name="function definition"
-    )(input)
-
+# from smnp.ast.node.block import BlockNode
+# from smnp.ast.node.expression import ExpressionNode
+# from smnp.ast.node.identifier import IdentifierNode
+# from smnp.ast.node.iterable import abstractIterableParser
+# from smnp.ast.node.model import Node
+# from smnp.ast.node.none import NoneNode
+# from smnp.ast.node.statement import StatementNode
+# from smnp.ast.node.type import TypeNode, TypeSpecifier
+# from smnp.ast.parser import Parser
+# from smnp.token.type import TokenType
+#
+#
+# class ArgumentsDeclarationNode(Node):
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         raise RuntimeError("This class is not supposed to be automatically called")
+#
+#
+# class VarargNode(Node):
+#     pass
+#
+#
+# class ArgumentDefinitionNode(ExpressionNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#         self.children.extend([NoneNode(), False])
+#
+#     @property
+#     def type(self):
+#         return self[0]
+#
+#     @type.setter
+#     def type(self, value):
+#         self[0] = value
+#
+#     @property
+#     def variable(self):
+#         return self[1]
+#
+#     @variable.setter
+#     def variable(self, value):
+#         self[1] = value
+#
+#     @property
+#     def vararg(self):
+#         return self[2]
+#
+#     @vararg.setter
+#     def vararg(self, value):
+#         self[2] = value
+#
+#
+#     @classmethod
+#     def parser(cls):
+#         def createNode(type, variable, dots):
+#             node = ArgumentDefinitionNode(type.pos)
+#             node.type = type
+#             node.variable = variable
+#             node.vararg = isinstance(dots, VarargNode)
+#             return node
+#
+#         return Parser.allOf(
+#             Parser.optional(Parser.oneOf(
+#                 TypeNode.parse,
+#                 TypeSpecifier.parse
+#             )),
+#             Parser.doAssert(IdentifierNode.identifierParser(), "variable name"),
+#             Parser.optional(Parser.terminalParser(TokenType.DOTS, lambda val, pos: VarargNode(pos))),
+#             createNode=createNode
+#         )
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         #TODO
+#         raise RuntimeError("Not implemented yet. There is still required work to correctly build AST related to IdentifierNode")
+#
+#
+#
+# class FunctionDefinitionNode(StatementNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#         self.children = [NoneNode(), NoneNode(), NoneNode()]
+#
+#     @property
+#     def name(self):
+#         return self[0]
+#
+#     @name.setter
+#     def name(self, value):
+#         self[0] = value
+#
+#     @property
+#     def arguments(self):
+#         return self[1]
+#
+#     @arguments.setter
+#     def arguments(self, value):
+#         self[1] = value
+#
+#     @property
+#     def body(self):
+#         return self[2]
+#
+#     @body.setter
+#     def body(self, value):
+#         self[2] = value
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         def createNode(function, name, arguments, body):
+#             node = FunctionDefinitionNode(function.pos)
+#             node.name = name
+#             node.arguments = arguments
+#             node.body = body
+#             return node
+#
+#         return Parser.allOf(
+#             Parser.terminalParser(TokenType.FUNCTION),
+#             Parser.doAssert(IdentifierNode.identifierParser(), "function name"),
+#             Parser.doAssert(cls._argumentsDeclarationParser(), "arguments list"),
+#             Parser.doAssert(BlockNode.parse, "function body"),
+#             createNode=createNode
+#         )(input)
+#
+#     @staticmethod
+#     def _argumentsDeclarationParser():
+#         return abstractIterableParser(ArgumentsDeclarationNode, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, ArgumentDefinitionNode.parser())
--- a/smnp/ast/node/identifier.py
+++ b/smnp/ast/node/identifier.py
@@ -1,11 +1,10 @@
 from smnp.ast.node.atom import Atom
-from smnp.ast.node.expression import ExpressionParser
-from smnp.ast.node.iterable import abstractIterableParser
 from smnp.ast.node.model import Node
 from smnp.ast.node.none import NoneNode
 from smnp.ast.node.operator import BinaryOperator, Operator
-from smnp.ast.parser import Parser
+from smnp.ast.parser import Parsers
 from smnp.token.type import TokenType
+from smnp.util.singleton import SingletonParser


 class Identifier(Atom):
@@ -49,26 +48,28 @@ class Assignment(BinaryOperator):
    pass


-def IdentifierLiteralParser(input):
-    return Parser.terminal(TokenType.IDENTIFIER, createNode=Identifier.withValue)(input)
+@SingletonParser
+def IdentifierParser():
+    identifierLiteralParser = Parsers.terminal(TokenType.IDENTIFIER, createNode=Identifier.withValue)

-
-def IdentifierParser(input):
-    functionCallParser = Parser.allOf(
-        IdentifierLiteralParser,
-        abstractIterableParser(ArgumentsList, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, Parser.doAssert(ExpressionParser, "expression")),
-        createNode=lambda name, arguments: FunctionCall.withChildren(name, arguments)
+    functionCallParser = Parsers.allOf(
+        identifierLiteralParser,
+        #abstractIterableParser(ArgumentsList, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, MaxPrecedenceExpressionParser),
+        createNode=lambda name, arguments: FunctionCall.withChildren(name, arguments),
+        name="functionCall"
    )

-    assignmentParser = Parser.allOf(
-        IdentifierLiteralParser,
-        Parser.terminal(TokenType.ASSIGN, createNode=Operator.withValue),
-        Parser.doAssert(ExpressionParser, "expression"),
-        createNode=lambda identifier, assign, expr: Assignment.withValues(identifier, assign, expr)
+    assignmentParser = Parsers.allOf(
+        identifierLiteralParser,
+        Parsers.terminal(TokenType.ASSIGN, createNode=Operator.withValue),
+        #MaxPrecedenceExpressionParser,
+        createNode=lambda identifier, assign, expr: Assignment.withValues(identifier, assign, expr),
+        name="assignment"
    )

-    return Parser.oneOf(
+    return Parsers.oneOf(
        assignmentParser,
        functionCallParser,
-        IdentifierLiteralParser
-    )(input)
+        identifierLiteralParser,
+        name="idExpr"
+    )
--- a/smnp/ast/node/imports.py
+++ b/smnp/ast/node/imports.py
@@ -1,3 +1,11 @@
+# from smnp.ast.node.identifier import Identifier
+# from smnp.ast.node.model import Node
+# from smnp.ast.node.none import NoneNode
+# from smnp.ast.node.string import StringLiteralNode
+# from smnp.ast.node.type import TypeNode
+# from smnp.ast.parser import Parser
+# from smnp.token.type import TokenType
+#
 from smnp.ast.node.atom import StringParser
 from smnp.ast.node.model import Node
 from smnp.ast.parser import Parser
@@ -26,8 +34,8 @@ class Import(Node):

 def ImportParser(input):
    return Parser.allOf(
-        Parser.terminal(TokenType.IMPORT),
-        Parser.doAssert(StringParser, "import source as string"),
+        Parser.terminalParser(TokenType.IMPORT),
+        StringParser,
        createNode=lambda imp, source: Import.withValue(source),
        name="import"
    )(input)
--- a/smnp/ast/node/iterable.py
+++ b/smnp/ast/node/iterable.py
@@ -1,11 +1,11 @@
 from smnp.ast.node.ignore import IgnoredNode
 from smnp.ast.node.model import Node, ParseResult
 from smnp.ast.node.none import NoneNode
-from smnp.ast.parser import Parser
+from smnp.ast.parser import Parsers, DecoratorParser
 from smnp.token.type import TokenType


-def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, itemParser):
+def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, itemParser, name):

    class AbstractIterable(Node):
        def __init__(self, pos):
@@ -31,70 +31,74 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
    class AbstractIterableTail(AbstractIterable):
        pass

-    def abstractIterableParser(input):
-        return Parser.oneOf(
-            emptyIterable,
-            openIterable
-        )(input)
+    def abstractIterableParser():
+        return Parsers.oneOf(
+            emptyIterable(),
+            openIterable(),
+            name=name
+        )

-    def emptyIterable(input):
+    def emptyIterable():
        def createNode(open, close):
            node = AbstractIterable(open.pos)
            node.value = open
            node.next = close
            return node

-        return Parser.allOf(
-            Parser.terminal(openTokenType),
-            Parser.terminal(closeTokenType),
-            createNode=createNode
-        )(input)
+        return Parsers.allOf(
+            Parsers.terminal(openTokenType),
+            Parsers.terminal(closeTokenType),
+            createNode=createNode,
+            name=name+"Empty"
+        )

-    def openIterable(input):
+    def openIterable():
        def createNode(open, item, tail):
            node = AbstractIterable(open.pos)
            node.value = item
            node.next = tail
            return node

-        return Parser.allOf(
-            Parser.terminal(openTokenType),
+        return Parsers.allOf(
+            Parsers.terminal(openTokenType),
            itemParser,
-            abstractIterableTailParser,
-            createNode=createNode
-        )(input)
+            abstractIterableTailParser(),
+            createNode=createNode,
+            name=name+"Open"
+        )

-    def abstractIterableTailParser(input):
-        return Parser.oneOf(
-            closeIterable,
-            nextItem,
-        )(input)
+    def abstractIterableTailParser():
+        return Parsers.oneOf(
+            closeIterable(),
+            nextItem(),
+            name=name+"Tail"
+        )

-    def nextItem(input):
+    def nextItem():
        def createNode(comma, item, tail):
            node = AbstractIterableTail(item.pos)
            node.value = item
            node.next = tail
            return node

-        return Parser.allOf(
-            Parser.doAssert(Parser.terminal(TokenType.COMMA), f"'{TokenType.COMMA.key}' or '{closeTokenType.key}'"),
+        return Parsers.allOf(
+            Parsers.terminal(TokenType.COMMA, doAssert=True),
            itemParser,
-            abstractIterableTailParser,
+            abstractIterableTailParser(),
+            name=name+"NextItem",
            createNode=createNode
-        )(input)
+        )

-    def closeIterable(input):
-        return Parser.terminal(closeTokenType)(input)
+    def closeIterable():
+        return Parsers.terminal(closeTokenType)


-    return toFlatDesiredNode(iterableNodeType, abstractIterableParser)
+    return abstractIterableParser()
+    #return toFlatDesiredNode(iterableNodeType, abstractIterableParser())


 def toFlatDesiredNode(iterableNodeType, parser):
-    def parse(input):
-        result = parser(input)
-
+    def wrapper(result):
        if result.result:
            value = flattenList(result.node)
            node = iterableNodeType(result.node.pos)
@@ -105,7 +109,7 @@ def toFlatDesiredNode(iterableNodeType, parser):

        return ParseResult.FAIL()

-    return Parser(parse, "flat", [parser])
+    return DecoratorParser(wrapper, parser)


 def flattenList(node, output=None):
--- a/smnp/ast/node/list.py
+++ b/smnp/ast/node/list.py
@@ -1,6 +1,6 @@
+from smnp.ast.node.atom import AtomParser
 from smnp.ast.node.iterable import abstractIterableParser
 from smnp.ast.node.model import Node
-from smnp.ast.parser import Parser
 from smnp.token.type import TokenType


@@ -8,12 +8,6 @@ class List(Node):
    pass


-def ListParser(input):
-    from smnp.ast.node.expression import ExpressionParser
-
-    return abstractIterableParser(
-        List,
-        TokenType.OPEN_SQUARE,
-        TokenType.CLOSE_SQUARE,
-        Parser.doAssert(ExpressionParser, "expression")
-    )(input)
+def ListParser():
+    return abstractIterableParser(List, TokenType.OPEN_SQUARE, TokenType.CLOSE_SQUARE, AtomParser(), name="list")
+                                    #MaxPrecedenceExpressionParser)(input)
--- a/smnp/ast/node/map.py
+++ b/smnp/ast/node/map.py
@@ -1,9 +1,7 @@
-from smnp.ast.node.atom import LiteralParser
-from smnp.ast.node.identifier import IdentifierLiteralParser
 from smnp.ast.node.iterable import abstractIterableParser
 from smnp.ast.node.model import Node
 from smnp.ast.node.operator import BinaryOperator, Operator
-from smnp.ast.parser import Parser
+from smnp.ast.parser import Parsers
 from smnp.token.type import TokenType


@@ -31,24 +29,19 @@ class Map(Node):


 def MapParser(input):
-    from smnp.ast.node.expression import ExpressionParser
-    keyParser = Parser.oneOf(
-        LiteralParser,
-        IdentifierLiteralParser
-    )
-    valueParser = ExpressionParser
+    from smnp.ast.node.atom import LiteralParser
+    #from smnp.ast.node.expression import MaxPrecedenceExpressionParser
+    keyParser = LiteralParser
+    #valueParser = MaxPrecedenceExpressionParser

-    mapEntryParser = Parser.allOf(
+    mapEntryParser = Parsers.allOf(
        keyParser,
-        Parser.terminal(TokenType.ARROW, createNode=Operator.withValue),
-        Parser.doAssert(valueParser, "expression"),
-        createNode=MapEntry.withValues
+        Parsers.terminal(TokenType.ARROW, createNode=Operator.withValue),
+        #valueParser,
+        createNode=MapEntry.withValues,
+        name="mapEntry"
    )

-    return abstractIterableParser(
-        Map,
-        TokenType.OPEN_CURLY,
-        TokenType.CLOSE_CURLY,
-        mapEntryParser
-    )(input)
+    return abstractIterableParser(Map, TokenType.OPEN_CURLY, TokenType.CLOSE_CURLY, mapEntryParser)
+

--- a/smnp/ast/node/model.py
+++ b/smnp/ast/node/model.py
@@ -28,6 +28,21 @@ class Node:
    def pop(self, index):
        return self.children.pop(index)

+    @classmethod
+    def _parse(cls, input):
+        pass
+
+    @classmethod
+    def parse(cls, input):
+        result = cls._parse(input)
+        if result is None:
+            return ParseResult.FAIL()
+
+        if not isinstance(result, ParseResult):
+            raise RuntimeError(f"_parse() method of '{cls.__name__}' class haven't returned ParseResult object")
+
+        return result
+
    def print(self):
        self._print(first=True)

--- a/smnp/ast/node/operator.py
+++ b/smnp/ast/node/operator.py
@@ -68,7 +68,68 @@ class BinaryOperator(Node):
        node.right = right
        return node

-
+#
+# class LeftAssociativeOperatorNode(ExpressionNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#         self.children = [NoneNode(), NoneNode(), NoneNode()]
+#
+#     @property
+#     def left(self):
+#         return self[0]
+#
+#     @left.setter
+#     def left(self, value):
+#         self[0] = value
+#
+#     @property
+#     def operator(self):
+#         return self[1]
+#
+#     @operator.setter
+#     def operator(self, value):
+#         self[1] = value
+#
+#     @property
+#     def right(self):
+#         return self[2]
+#
+#     @right.setter
+#     def right(self, value):
+#         self[2] = value
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         def createNode(left, operator, right):
+#             node = LeftAssociativeOperatorNode(right.pos)
+#             node.left = left
+#             node.operator = operator
+#             node.right = right
+#             return node
+#
+#         return Parser.leftAssociativeOperatorParser(
+#             cls._lhsParser(),
+#             TokenType.DOT,
+#             cls._rhsParser(),
+#             createNode=createNode
+#         )(input)
+#
+#     @classmethod
+#     def _lhsParser(cls):
+#         raise RuntimeError(f"LHS parser is not implemented in {cls.__name__}")
+#
+#     @staticmethod
+#     def _rhsParser():
+#         from smnp.ast.node.identifier import IdentifierNode
+#
+#         return Parser.oneOf(
+#             # TODO!!!
+#             IdentifierNode._lhsParser(),
+#             IdentifierNode._functionCallParser(),
+#             exception=lambda input: SyntaxException(f"Expected property name or method call, found '{input.current().rawValue}'", input.currentPos())
+#         )
+#
+#
 class Operator(Node):
    def __init__(self, pos):
        super().__init__(pos)
--- a/smnp/ast/node/program.py
+++ b/smnp/ast/node/program.py
@@ -1,36 +1,44 @@
-from smnp.ast.node.extend import ExtendParser
-from smnp.ast.node.function import FunctionDefinitionParser
 from smnp.ast.node.imports import ImportParser
 from smnp.ast.node.model import Node, ParseResult
 from smnp.ast.node.statement import StatementParser
 from smnp.ast.parser import Parser
-from smnp.error.syntax import SyntaxException


 class Program(Node):
    def __init__(self):
        super().__init__((-1, -1))

-def ProgramParser(input):
-    def parse(input):
-        root = Program()
-
-        # Start Symbol
-        startSymbolParser = Parser.oneOf(
+def parse(input):
+    root = Program()
+    while input.hasCurrent():
+        result = Parser.oneOf(
+            # Start Symbol
            ImportParser,
-            FunctionDefinitionParser,
-            ExtendParser,
            StatementParser,
-            exception=lambda inp: SyntaxException(f"Invalid statement: {inp.currentToEndOfLine()}", inp.current().pos),
-            name="start symbol"
-        )
+            exception=RuntimeError("Nie znam tego wyrazenia")
+        )(input)

-        while input.hasCurrent():
-            result = startSymbolParser(input)
+        if result.result:
+            root.append(result.node)

-            if result.result:
-                root.append(result.node)
+    return ParseResult.OK(root)

-        return ParseResult.OK(root)
-
-    return Parser(parse, name="program")(input)
+ProgramParser = Parser(parse, name="program")
+    # @classmethod
+    # def _parse(cls, input):
+    #     def parseToken(input):
+    #         return Parser.oneOf(
+    #             FunctionDefinitionNode.parse,
+    #             ExtendNode.parse,
+    #             ExpressionNode.parse,
+    #             ImportNode.parse,
+    #             StatementNode.parse,
+    #             exception = SyntaxException(f"Invalid statement: {input.currentToEndOfLine()}", input.current().pos)
+    #         )(input)
+    #
+    #     root = Program()
+    #     while input.hasCurrent():
+    #         result = parseToken(input)
+    #         if result.result:
+    #             root.append(result.node)
+    #     return ParseResult.OK(root)
--- a/smnp/ast/node/ret.py
+++ b/smnp/ast/node/ret.py
@@ -1,17 +1,32 @@
-from smnp.ast.node.expression import ExpressionParser
-from smnp.ast.node.valuable import Valuable
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class Return(Valuable):
-    pass
-
-
-def ReturnParser(input):
-    return Parser.allOf(
-        Parser.terminal(TokenType.RETURN),
-        Parser.optional(ExpressionParser),
-        createNode=lambda ret, val: Return.withValue(val, ret.pos),
-        name="return"
-    )(input)
+# from smnp.ast.node.expression import ExpressionNode
+# from smnp.ast.node.none import NoneNode
+# from smnp.ast.node.statement import StatementNode
+# from smnp.ast.parser import Parser
+# from smnp.token.type import TokenType
+#
+#
+# class ReturnNode(StatementNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#         self.children.append(NoneNode())
+#
+#     @property
+#     def value(self):
+#         return self[0]
+#
+#     @value.setter
+#     def value(self, value):
+#         self[0] = value
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         def createNode(ret, value):
+#             node = ReturnNode(ret.pos)
+#             node.value = value
+#             return node
+#
+#         return Parser.allOf(
+#             Parser.terminalParser(TokenType.RETURN),
+#             Parser.doAssert(ExpressionNode.parse, "expression"),
+#             createNode=createNode
+#         )(input)
--- a/smnp/ast/node/statement.py
+++ b/smnp/ast/node/statement.py
@@ -1,6 +1,6 @@
+from smnp.ast.node.expression import MaxPrecedenceExpressionParser
 from smnp.ast.node.model import Node
 from smnp.ast.parser import Parser
-from smnp.token.type import TokenType


 class Statement(Node):
@@ -10,28 +10,25 @@ class Statement(Node):
 def StatementParser(input):
    from smnp.ast.node.block import BlockParser
    from smnp.ast.node.condition import IfElseStatementParser
-    from smnp.ast.node.expression import ExpressionParser
-    from smnp.ast.node.ret import ReturnParser
-    from smnp.ast.node.throw import ThrowParser

-    return withSemicolon(
-        Parser.oneOf(
-            IfElseStatementParser,
-            ExpressionParser,  # Must be above BlockParser because of Map's syntax with curly braces
-            BlockParser,
-            ReturnParser,
-            ThrowParser,
-            name="statement"
-        ), optional=True)(input)
-
-
-def withSemicolon(parser, optional=False, doAssert=False):
-    semicolonParser = Parser.optional(Parser.terminal(TokenType.SEMICOLON)) if optional else Parser.terminal(
-        TokenType.SEMICOLON, doAssert=doAssert)
-
-    return Parser.allOf(
-        parser,
-        semicolonParser,
-        createNode=lambda stmt, semicolon: stmt,
-        name="semicolon" + "?" if optional else ""
+    parser = Parser.oneOf(
+        IfElseStatementParser,
+        BlockParser,
+        MaxPrecedenceExpressionParser
    )
+
+    return Parser(parser, "statement", parser)(input)
+
+# class StatementNode(Node):
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         from smnp.ast.node.block import BlockNode
+#         from smnp.ast.node.expression import ExpressionNode
+#         from smnp.ast.node.ret import ReturnNode
+#
+#         return Parser.oneOf(
+#             ExpressionNode.parse,
+#             BlockNode.parse,
+#             ReturnNode.parse,
+#         )(input)
--- a/smnp/ast/node/term.py
+++ b/smnp/ast/node/term.py
@@ -1,17 +1,12 @@
 from smnp.ast.node.factor import FactorParser
 from smnp.ast.node.operator import BinaryOperator
+from smnp.ast.node.valuable import Valuable
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType


-class Product(BinaryOperator):
+class Term(Valuable):
    pass

-
-def TermParser(input):
-    return Parser.leftAssociativeOperatorParser(
-        FactorParser,
-        [TokenType.ASTERISK, TokenType.SLASH],
-        FactorParser,
-        lambda left, op, right: Product.withValues(left, op, right)
-    )(input)
+TermParser = Parser.leftAssociativeOperatorParser(FactorParser, [TokenType.ASTERISK, TokenType.SLASH], FactorParser,
+                                                    lambda left, op, right: Term.withValue(BinaryOperator.withValues(left, op, right)))
--- a/smnp/ast/node/throw.py
+++ b/smnp/ast/node/throw.py
@@ -1,17 +0,0 @@
-from smnp.ast.node.expression import ExpressionParser
-from smnp.ast.node.valuable import Valuable
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class Throw(Valuable):
-    pass
-
-
-def ThrowParser(input):
-    return Parser.allOf(
-        Parser.terminal(TokenType.THROW),
-        Parser.doAssert(ExpressionParser, "error message as string"),
-        createNode=lambda throw, message: Throw.withValue(message, throw.pos),
-        name="throw"
-    )(input)
--- a/smnp/ast/node/type.py
+++ b/smnp/ast/node/type.py
@@ -1,67 +1,63 @@
-from smnp.ast.node.atom import TypeLiteralParser
-from smnp.ast.node.iterable import abstractIterableParser
-from smnp.ast.node.model import Node
-from smnp.ast.node.none import NoneNode
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class Type(Node):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode()]
-
-    @property
-    def type(self):
-        return self[0]
-
-    @type.setter
-    def type(self, value):
-        self[0] = value
-
-    @property
-    def specifiers(self):
-        return self[1]
-
-    @specifiers.setter
-    def specifiers(self, value):
-        self[1] = value
-
-    @classmethod
-    def withValues(cls, pos, type, specifiers=NoneNode()):
-        node = cls(pos)
-        node.type = type
-        node.specifiers = specifiers
-        return node
-
-
-class TypesList(Node):
-    pass
-
-
-def TypesListParser(input):
-    return abstractIterableParser(
-        TypesList,
-        TokenType.OPEN_ANGLE,
-        TokenType.CLOSE_ANGLE,
-        TypeParser
-    )(input)
-
-
-class TypeSpecifiers(Node):
-    pass
-
-
-def TypeParser(input):
-    typeWithSpecifier = Parser.allOf(
-        TypeLiteralParser,
-        Parser.many(TypesListParser, createNode=TypeSpecifiers.withChildren),
-        createNode=lambda type, specifiers: Type.withValues(type.pos, type, specifiers),
-        name="type with specifiers?"
-    )
-
-    return Parser.oneOf(
-        typeWithSpecifier,
-        TypesListParser,
-        name="mult. types or type with specifier"
-    )(input)
+# from smnp.ast.node.iterable import abstractIterableParser
+# from smnp.ast.node.model import Node
+# from smnp.ast.node.operator import LeftAssociativeOperatorNode
+# from smnp.ast.parser import Parser
+# from smnp.token.type import TokenType
+# from smnp.type.model import Type
+#
+#
+# class TypeSpecifier(Node):
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         return abstractIterableParser(TypeSpecifier, TokenType.OPEN_ANGLE, TokenType.CLOSE_ANGLE,
+#                                       Parser.doAssert(cls._specifierItem(), "type"))(input)
+#
+#     @classmethod
+#     def _specifierItem(cls):
+#         return Parser.oneOf(
+#             TypeNode.parse,
+#             cls.parse
+#         )
+#
+# class TypeSpecifiers(Node):
+#     pass
+#
+#
+# class TypeNode(LeftAssociativeOperatorNode):
+#     def __init__(self, pos):
+#         super().__init__(pos)
+#
+#     @property
+#     def type(self):
+#         return self[0]
+#
+#     @type.setter
+#     def type(self, value):
+#         self[0] = value
+#
+#     @property
+#     def specifiers(self):
+#         return self[1]
+#
+#     @specifiers.setter
+#     def specifiers(self, value):
+#         self[1] = value
+#
+#     @classmethod
+#     def _parse(cls, input):
+#         def createNode(type, specifiers):
+#             node = TypeNode(type.pos)
+#             node.type = Type[type.value.upper()]
+#             node.specifiers = specifiers
+#             return node
+#
+#         return Parser.allOf(
+#             cls._rawTypeParser(),
+#             Parser.many(TypeSpecifier.parse, lambda specifiers, pos: TypeSpecifiers.withChildren(specifiers, pos)),
+#             createNode=createNode
+#         )(input)
+#
+#     @classmethod
+#     def _rawTypeParser(cls):
+#         return Parser.terminalParser(TokenType.TYPE, lambda val, pos: TypeNode.withValue(val, pos))
--- a/smnp/ast/node/unit.py
+++ b/smnp/ast/node/unit.py
@@ -1,36 +0,0 @@
-from smnp.ast.node.atom import AtomParser
-from smnp.ast.node.operator import BinaryOperator, UnaryOperator, Operator
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class MinusOperator(UnaryOperator):
-    pass
-
-
-class Access(BinaryOperator):
-    pass
-
-
-def UnitParser(input):
-    minusOperator = Parser.allOf(
-        Parser.terminal(TokenType.MINUS, createNode=Operator.withValue),
-        Parser.doAssert(AtomParser, "atom"),
-        createNode=MinusOperator.withValues,
-        name="minus"
-    )
-
-    atom2 = Parser.oneOf(
-        minusOperator,
-        AtomParser,
-        name="atom2"
-    )
-
-    return Parser.leftAssociativeOperatorParser(
-        atom2,
-        [TokenType.DOT],
-        Parser.doAssert(atom2, "atom"),
-        createNode=lambda left, op, right: Access.withValues(left, op, right),
-        name="unit"
-    )(input)
-
--- a/smnp/ast/node/valuable.py
+++ b/smnp/ast/node/valuable.py
@@ -16,7 +16,7 @@ class Valuable(Node):
        self[0] = value

    @classmethod
-    def withValue(cls, value, pos=None):
-        node = cls(value.pos if pos is None else pos)
+    def withValue(cls, value):
+        node = cls(value.pos)
        node.value = value
        return node
--- a/smnp/ast/parser.py
+++ b/smnp/ast/parser.py
@@ -9,15 +9,8 @@ def parse(input):
    return ProgramParser(input).node


-class Parser:
-    def __init__(self, parse, name=None, parsers=None):
-        if parsers is None:
-            parsers = []
-        self.parsers = parsers
-
-        self._parse = parse
-        if name is None:
-            name = parse.__name__
+class Parser(object):
+    def __init__(self, name):
        self.name = name

    def parse(self, input):
@@ -26,10 +19,27 @@ class Parser:
            return ParseResult.FAIL()

        if not isinstance(result, ParseResult):
-            raise RuntimeError(f"_parse() method of '{self.__class__.__name__}' class haven't returned ParseResult object")
+            raise RuntimeError(
+                f"_parse() method of '{self.__class__.__name__}' class haven't returned ParseResult object")

        return result

+    def _parse(self, input):
+        raise RuntimeError(f"_name method of '{self.__class__.__name__}' class is not implemented")
+
+    def grammar(self):
+        rules = []
+        self._grammarRules(rules)
+        return "\n".join(self._uniq(rules))
+
+    def _uniq(self, seq):
+        seen = set()
+        seen_add = seen.add
+        return [x for x in seq if not (x in seen or seen_add(x))]
+
+    def _grammarRules(self, output):
+        output.append(f"class '{self.__class__.__name__}' does not implement _grammarRules() method")
+
    def __call__(self, input):
        return self.parse(input)

@@ -39,186 +49,242 @@ class Parser:
    def __repr__(self):
        return self.__str__()

-    # a -> A
+
+class Parsers:
+
    @staticmethod
-    def terminal(expectedType, createNode=None, doAssert=False):
-        def provideNode(value, pos):
-            if createNode is None:
-                return IgnoredNode(pos)
-            return createNode(value, pos)
+    def terminal(expectedType, createNode=lambda val, pos: IgnoredNode(pos), doAssert=False):
+        return TerminalParser(expectedType, createNode, doAssert)

-        def parse(input):
-            if input.hasCurrent() and input.current().type == expectedType:
-                token = input.current()
-                input.ahead()
-                return ParseResult.OK(provideNode(token.value, token.pos))
-            elif doAssert:
-                found = f", found '{input.current().rawValue}'" if input.hasCurrent() else ""
-                raise SyntaxException(f"Expected '{expectedType.key}'{found}", input.currentPos())
-
-            return ParseResult.FAIL()
-
-        return Parser(parse, name=expectedType.name.lower())
-
-    # oneOf -> a | b | c | ...
    @staticmethod
-    def oneOf(*parsers, assertExpected=None, exception=None, name="or"):
-        def combinedParser(input):
-            snap = input.snapshot()
-            for parser in parsers:
-                value = parser(input)
-                if value.result:
-                    return value
-                input.reset(snap)
+    def oneOf(*parsers, name, exception=None):
+        return OneOfParser(*parsers, name=name, exception=exception)

-            if assertExpected is not None:
-                found = f", found '{input.current().rawValue}'" if input.hasCurrent() else ""
-                raise SyntaxException(f"Expected {assertExpected}{found}", input.currentPos())
-
-            if exception is not None:
-                if callable(exception):
-                    raise exception(input)
-                else:
-                    raise exception
-
-            input.reset(snap)
-            return ParseResult.FAIL()
-
-        return Parser(combinedParser, name=name, parsers=parsers)
-
-    # allOf -> a b c ...
    @staticmethod
-    def allOf(*parsers, createNode, exception=None, name="all"):
+    def allOf(*parsers, createNode, exception=None, name):
+        return AllOfParser(*parsers, createNode=createNode, exception=exception, name=name)
+
+    @staticmethod
+    def leftAssociativeOperatorParser(leftParser, operatorTokenTypes, rightParser, createNode, name):
+        return LeftAssociativeOperatorParser(leftParser, operatorTokenTypes, rightParser, createNode, name)
+
+    @staticmethod
+    def many(itemParser, createNode, name):
+        return ManyParser(itemParser, createNode, name)
+
+    @staticmethod
+    def optional(parser, name):
+        return OptionalParser(parser, name)
+
+    @staticmethod
+    def loop(startParser, itemParser, endParser, createNode, name):
+        return LoopParser(startParser, itemParser, endParser, createNode, name)
+
+
+class DecoratorParser(Parser):
+    def __init__(self, wrapper, parser):
+        super().__init__(parser.name)
+        self.wrapper = wrapper
+        self.parser = parser
+        self._grammarRules = parser._grammarRules
+
+    def _parse(self, input):
+        result = self.parser.parse(input)
+        return self.wrapper(result)
+
+
+class TerminalParser(Parser):
+
+    def __init__(self, expectedType, createNode=lambda val, pos: IgnoredNode(pos), doAssert=False):
+        super().__init__(expectedType.name.lower())
+        self.expectedType = expectedType
+        self.createNode = createNode
+        self.doAssert = doAssert
+
+    def _grammarRules(self, output):
+        output.append(f"{self.name} -> '{self.expectedType.value}'")
+
+    def _parse(self, input):
+        if input.isCurrent(self.expectedType):
+            token = input.current()
+            input.ahead()
+            return ParseResult.OK(self.createNode(token.value, token.pos))
+        elif self.doAssert:
+            found = f", found '{input.current().rawValue}'" if input.hasCurrent() else ""
+            raise SyntaxException(f"Expected '{self.expectedType.key}'{found}", input.currentPos())
+
+        return ParseResult.FAIL()
+
+
+
+class OneOfParser(Parser):
+    def __init__(self, *parsers, name, exception=None):
+        super().__init__(name)
+        self.parsers = parsers
+        self.exception = exception
+
+    def _parse(self, input):
+        snap = input.snapshot()
+        for parser in self.parsers:
+            value = parser.parse(input)
+            if value.result:
+                return value
+            input.reset(snap) # TODO sprawdzic, czy koneiczne !!!!!
+
+        if self.exception is not None:
+            if callable(self.exception):
+                raise self.exception(input)
+            else:
+                raise self.exception
+
+        return ParseResult.FAIL()
+
+    def _grammarRules(self, output):
+        output.extend([ f"{self.name} -> {parser.name}" for parser in self.parsers ])
+        [ parser._grammarRules(output) for parser in self.parsers ]
+
+
+class AllOfParser(Parser):
+    def __init__(self, *parsers, createNode, exception=None, name):
+        super().__init__(name)
+
        if len(parsers) == 0:
            raise RuntimeError("Pass one parser at least")

-        def extendedParser(input):
-            snap = input.snapshot()
+        self.parsers = parsers
+        self.createNode = createNode
+        self.exception = exception

-            results = []
+    def _parse(self, input):
+        snap = input.snapshot()
+        parsedItems = []

-            for parser in parsers:
-                result = parser(input)
-
-                if not result.result:
-                    if exception is not None:
-                        if callable(exception):
-                            raise exception(input)
-                        else:
-                            raise exception
-
-                    input.reset(snap)
-                    return ParseResult.FAIL()
-
-                results.append(result.node)
-
-            node = createNode(*results)
-            if not isinstance(node, Node):
-                raise RuntimeError("Function 'createNode' haven't returned a Node object. Probably forget to pass 'return'")
-
-            return ParseResult.OK(node)
-
-
-        return Parser(extendedParser, name=name, parsers=parsers)
-
-
-    # leftAssociative -> left | left OP right
-    @staticmethod
-    def leftAssociativeOperatorParser(leftParser, operatorTokenTypes, rightParser, createNode, name="leftAssoc"):
-        from smnp.ast.node.operator import Operator
-
-        def parse(input):
-            operatorParser = Parser.oneOfTerminals(*operatorTokenTypes, createNode=lambda val, pos: Operator.withChildren([val], pos))
-            left = leftParser(input)
-            if left.result:
-                operator = operatorParser(input)
-                while operator.result:
-                    right = rightParser(input)
-                    left = ParseResult.OK(createNode(left.node, operator.node, right.node))
-                    operator = operatorParser(input)
-                return left
-
-            return ParseResult.FAIL()
-
-        return Parser(parse, name=name, parsers=[leftParser, '|'.join([t.value for t in operatorTokenTypes]), rightParser])
-
-    @staticmethod
-    def oneOfTerminals(*tokenTypes, createNode=None):
-        return Parser.oneOf(*[Parser.terminal(expectedType, createNode=createNode) for expectedType in tokenTypes], name='|'.join([t.value for t in tokenTypes]))
-
-    # loop -> start item* end
-    @staticmethod
-    def loop(startParser, itemParser, endParser, createNode, name="loop"):
-        def parse(input):
-            items = []
-            start = startParser(input)
-            if start.result:
-                while True:
-                    end = endParser(input)
-                    if end.result:
-                        return ParseResult.OK(createNode(start.node, items, end.node))
-                    item = itemParser(input)
-                    if not item.result:
-                        return ParseResult.FAIL()
-                    items.append(item.node)
-
-            return ParseResult.FAIL()
-
-        return Parser(parse, name, parsers=[startParser, itemParser, endParser])
-
-    @staticmethod
-    def doAssert(parser, expected, name="!!"):
-        def parse(input):
-            result = parser(input)
+        for parser in self.parsers:
+            result = parser.parse(input)

            if not result.result:
-                found = f", found '{input.current().rawValue}'" if input.hasCurrent() else ''
+                if self.exception is not None:
+                    if callable(self.exception):
+                        raise self.exception(input)
+                    else:
+                        raise self.exception

-                raise SyntaxException(f"Expected {expected}{found}", input.currentPos())
+                input.reset(snap)
+                return ParseResult.FAIL()

+            parsedItems.append(result.node)
+
+        node = self.createNode(*parsedItems)
+        if not isinstance(node, Node):
+            raise RuntimeError(f"Method 'createNode' of class '{self.__class__.__name__}' haven't returned a Node object. Probably forget to pass 'return'")
+
+        return ParseResult.OK(node)
+
+    def _grammarRules(self, output):
+        output.append(self.name + ' -> ' + ' '.join([ parser.name for parser in self.parsers ]))
+        [ parser._grammarRules(output) for parser in self.parsers ]
+
+
+class LeftAssociativeOperatorParser(Parser):
+    def __init__(self, leftParser, operatorTokenTypes, rightParser, createNode, name):
+        from smnp.ast.node.operator import Operator
+
+        super().__init__(name)
+        self.leftParser = leftParser
+        self.rightParser = rightParser
+        self.createNode = createNode
+        self.operators = operatorTokenTypes
+
+        operatorParsers = [ TerminalParser(expectedType, createNode=lambda val, pos: Operator.withValue(val, pos)) for expectedType in operatorTokenTypes ]
+        self.operatorParser = OneOfParser(*operatorParsers, name="not important")
+
+    def _parse(self, input):
+        snap = input.snapshot()
+        left = self.leftParser.parse(input)
+        if left.result:
+            operator = self.operatorParser.parse(input)
+            while operator.result:
+                right = self.rightParser.parse(input)
+                left = ParseResult.OK(self.createNode(left.node, operator.node, right.node))
+                operator = self.operatorParser.parse(input)
+            return left
+
+        return ParseResult.FAIL()
+
+
+    def _grammarRules(self, output):
+        output.append('\n'.join([f"{self.name} -> {self.leftParser.name} {operator.name.lower()} {self.rightParser.name} | {self.leftParser.name}" for operator in self.operators]))
+        self.leftParser._grammarRules(output)
+        self.rightParser._grammarRules(output)
+
+
+class ManyParser(Parser):
+    def __init__(self, itemParser, createNode, name):
+        super().__init__(name)
+        self.itemParser = itemParser
+        self.createNode = createNode
+
+    def _parse(self, input):
+        snap = input.snapshot()
+
+        parsedItems = []
+        pos = input.currentPos()
+        while True:
+            result = self.itemParser.parse(input)
+            if result.result:
+                parsedItems.append(result.node)
+                snap = input.snapshot()
+            else:
+                input.reset(snap)
+                return ParseResult.OK(self.createNode(parsedItems, pos) if len(parsedItems) > 0 else NoneNode())
+
+    def _grammarRules(self, output):
+        output.append(f"{self.name} -> {self.itemParser.name}*")
+        self.itemParser._grammarRules(output)
+
+
+class OptionalParser(Parser):
+    def __init__(self, parser, name):
+        super().__init__(name)
+        self.parser = parser
+
+    def _parse(self, input):
+        result = self.parser.parse(input)
+        if result.result:
            return result

-        return Parser(parse, name, parsers=parser)
+        return ParseResult.OK(NoneNode())

-    @staticmethod
-    def optional(parser, name="??"):
-        def parse(input):
-            result = parser(input)
-            if result.result:
-                return result
+    def _grammarRules(self, output):
+        output.append(f"{self.name} -> {self.parser.name}?")

-            return ParseResult.OK(NoneNode())

-        return Parser(parse, name, parsers=[parser])
+class LoopParser(Parser):
+    def __init__(self, startParser, itemParser, endParser, createNode, name):
+        super().__init__(name)
+        self.startParser = startParser
+        self.itemParser = itemParser
+        self.endParser = endParser
+        self.createNode = createNode

-    @staticmethod
-    def epsilon():
-        return lambda *args: ParseResult.OK(NoneNode())
-
-    @staticmethod
-    def many(parser, createNode, name="*"):
-        def parse(input):
-            results = []
-            snap = input.snapshot()
-            pos = input.currentPos()
+    def _parse(self, input):
+        items = []
+        start = self.startParser.parse(input)
+        if start.result:
            while True:
-                result = parser(input)
-                if result.result:
-                    results.append(result.node)
-                    snap = input.snapshot()
-                else:
-                    input.reset(snap)
-                    return ParseResult.OK(createNode(results, pos) if len(results) > 0 else NoneNode())
+                end = self.endParser.parse(input)
+                if end.result:
+                    return ParseResult.OK(self.createNode(start.node, items, end.node))
+                item = self.itemParser.parse(input)
+                if not item.result:
+                    return ParseResult.FAIL()
+                items.append(item.node)

-        return Parser(parse, name, parsers=[parser])
+        return ParseResult.FAIL()

-    @staticmethod
-    def wrap(parser, createNode):
-        def parse(input):
-            result = parser(input)
-            if result.result:
-                return ParseResult.OK(createNode(result.node))
+    def _grammarRules(self, output):
+        output.append(f"{self.name} -> {self.startParser.name} {self.itemParser.name}* {self.endParser.name}")
+        self.startParser._grammarRules(output)
+        self.itemParser._grammarRules(output)
+        self.endParser._grammarRules(output)

-            return result
-
-        return parse
--- a/smnp/audio/sound.py
+++ b/smnp/audio/sound.py
@@ -10,9 +10,6 @@ class Sound:
    def play(self):
        sd.play(self.data, self.fs, blocking=True)

-    def __eq__(self, other):
-        return self.file == other.file and self.data == other.data
-
    def __str__(self):
        return f"sound[{self.file}]"

--- a/smnp/cli/parser.py
+++ b/smnp/cli/parser.py
@@ -1,23 +0,0 @@
-import argparse
-
-VERSION = "0.1"
-DESCRIPTION = """
-    Simple Music Notation Processor is a command line tool enabling you to do some music stuff using custom domain-specific language.
-"""
-
-class CliParser(object):
-    def __init__(self):
-        self.parser = argparse.ArgumentParser(description=DESCRIPTION)
-        self.parser.add_argument('file', nargs='*', help='a file containing SMNP code')
-        self.parser.add_argument('-c', '--code', action='append', default=[], type=str, help='a string with SMNP code')
-        self.parser.add_argument('-m', '--mic',  action='store_true', help='test microphone level')
-        self.parser.add_argument('-C', '--config', type=argparse.FileType('-r'), help='a file containing settings (not implemented yet)')
-        self.parser.add_argument('-p', '--params', action='append', help='pass arguments to program (not implemented yet)')
-        self.parser.add_argument('-v', '--version', action='version')
-        self.parser.add_argument('--tokens', action='store_true', help='print tokens of parsed code')
-        self.parser.add_argument('--ast', action='store_true', help='print abstract syntax tree of parsed code')
-        self.parser.add_argument('--dry-run', action='store_true', help='don\'t execute passed code')
-        self.parser.version = VERSION
-
-    def parse(self):
-        return self.parser.parse_args()
--- a/smnp/environment/environment.py
+++ b/smnp/environment/environment.py
@@ -1,19 +1,17 @@
 from smnp.error.function import FunctionNotFoundException, MethodNotFoundException, IllegalFunctionInvocationException
 from smnp.error.runtime import RuntimeException
 from smnp.function.tools import argsTypesToString
-from smnp.runtime.evaluators.function import BodyEvaluator, Return
-from smnp.type.model import Type
+from smnp.runtime.evaluators.function import BodyEvaluator


 class Environment():
-    def __init__(self, scopes, functions, methods, source):
+    def __init__(self, scopes, functions, methods):
        self.scopes = scopes
        self.functions = functions
        self.methods = methods
        self.customFunctions = []
        self.customMethods = []
        self.callStack = []
-        self.source = source

    def invokeMethod(self, object, name, args):
        builtinMethodResult = self._invokeBuiltinMethod(object, name, args)
@@ -40,15 +38,10 @@ class Environment():
            if method.typeSignature.check([object])[0] and method.name == name: #Todo sprawdzic sygnature typu
                signatureCheckresult = method.signature.check(args)
                if signatureCheckresult[0]:
-                    self.scopes.append(method.defaultArgs)
-                    self.scopes[-1].update({argName: argValue for argName, argValue in zip(method.arguments, list(signatureCheckresult[1:]))})
+                    self.scopes.append({argName: argValue for argName, argValue in zip(method.arguments, list(signatureCheckresult[1:]))})
                    self.scopes[-1][method.alias] = object
                    self.callStack.append(CallStackItem(name))
-                    result = Type.void()
-                    try:
-                        BodyEvaluator.evaluate(method.body, self).value  # TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
-                    except Return as r:
-                        result = r.value
+                    result = BodyEvaluator.evaluate(method.body, self).value  # TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
                    self.callStack.pop(-1)
                    self.scopes.pop(-1)
                    return (True, result)
@@ -81,27 +74,20 @@ class Environment():
            if function.name == name:
                signatureCheckresult = function.signature.check(args)
                if signatureCheckresult[0]:
-                    self.appendScope(function.defaultArgs)
-                    appendedScopeIndex = len(self.scopes)-1
-                    self.scopes[-1].update({ argName: argValue for argName, argValue in zip(function.arguments, list(signatureCheckresult[1:])) })
+                    self.scopes.append({ argName: argValue for argName, argValue in zip(function.arguments, list(signatureCheckresult[1:])) })
                    self.callStack.append(CallStackItem(name))
-                    result = Type.void()
-                    try:
-                        BodyEvaluator.evaluate(function.body, self).value #TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
-                    except Return as r:
-                        result = r.value
+                    result = BodyEvaluator.evaluate(function.body, self).value #TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
                    self.callStack.pop(-1)
-                    self.popScope(mergeVariables=False)
-                    self.removeScopesAfter(appendedScopeIndex)
+                    self.scopes.pop(-1)
                    return (True, result)
                raise IllegalFunctionInvocationException(f"{function.name}{function.signature.string}", f"{name}{argsTypesToString(args)}")
        return (False, None)

-    def addCustomFunction(self, name, signature, arguments, body, defaultArguments):
+    def addCustomFunction(self, name, signature, arguments, body):
        if len([fun for fun in self.functions + self.customFunctions if fun.name == name]) > 0:
            raise RuntimeException(f"Cannot redeclare function '{name}'", None)

-        self.customFunctions.append(CustomFunction(name, signature, arguments, body, defaultArguments))
+        self.customFunctions.append(CustomFunction(name, signature, arguments, body))

    # TODO:
    # There is still problem with checking existing of generic types, like lists:
@@ -112,14 +98,14 @@ class Environment():
    #   function foo() { return 2 }
    # }
    # Then calling [1, 2, 3, 4].foo() will produce 1, when the second method is more suitable
-    def addCustomMethod(self, typeSignature, alias, name, signature, arguments, body, defaultArguments):
+    def addCustomMethod(self, typeSignature, alias, name, signature, arguments, body):
        if len([m for m in self.methods if m.name == name and m.signature.matchers[0] == typeSignature.matchers[0]]) > 0:
            raise RuntimeException(f"Cannot redeclare method '{name}' for type '{typeSignature.matchers[0]}'", None)

        if len([m for m in self.customMethods if m.name == name and m.typeSignature.matchers[0] == typeSignature.matchers[0]]) > 0:
            raise RuntimeException(f"Cannot redeclare method '{name}' for type '{typeSignature.matchers[0]}'", None)

-        self.customMethods.append(CustomMethod(typeSignature, alias, name, signature, arguments, body, defaultArguments))
+        self.customMethods.append(CustomMethod(typeSignature, alias, name, signature, arguments, body))

    def findVariable(self, name, type=None, pos=None):
        for scope in reversed(self.scopes):
@@ -142,20 +128,6 @@ class Environment():
                else:
                    return scope

-    def appendScope(self, variables=None):
-        if variables is None:
-            variables = {}
-
-        self.scopes.append(variables)
-
-    def popScope(self, mergeVariables=True):
-        lastScope = self.scopes.pop(-1)
-        if mergeVariables:
-            self.scopes[-1].update(lastScope)
-
-    def removeScopesAfter(self, index):
-        del self.scopes[index:]
-
    def scopesToString(self):
        return "Scopes:\n" + ("\n".join([ f"  [{i}]: {scope}" for i, scope in enumerate(self.scopes) ]))

@@ -190,23 +162,22 @@ class Environment():
 class CallStackItem:
    def __init__(self, function):
        self.function = function
+        self.value = None


 class CustomFunction:
-    def __init__(self, name, signature, arguments, body, defaultArgs):
+    def __init__(self, name, signature, arguments, body):
        self.name = name
        self.signature = signature
        self.arguments = arguments
        self.body = body
-        self.defaultArgs = defaultArgs


 class CustomMethod:
-    def __init__(self, typeSignature, alias, name, signature, arguments, body, defaultArgs):
+    def __init__(self, typeSignature, alias, name, signature, arguments, body):
        self.typeSignature = typeSignature
        self.alias = alias
        self.name = name
        self.signature = signature
        self.arguments = arguments
-        self.body = body
-        self.defaultArgs = defaultArgs
+        self.body = body
--- a/smnp/environment/factory.py
+++ b/smnp/environment/factory.py
@@ -1,3 +1,7 @@
+from smnp.environment.environment import Environment
+from smnp.module import functions, methods
+
+
 def createEnvironment():
-    return
+    return Environment([{}], functions, methods)
 
--- a/smnp/error/base.py
+++ b/smnp/error/base.py
@@ -2,7 +2,6 @@ class SmnpException(Exception):
    def __init__(self, msg, pos):
        self.msg = msg
        self.pos = pos
-        self.file = None

    def _title(self):
        pass
@@ -11,10 +10,7 @@ class SmnpException(Exception):
        return ""

    def _position(self):
-        return "" if self.pos is None else f"[line {self.pos[0]+1}, col {self.pos[1]+1}]"
-
-    def _file(self):
-        return "" if self.file is None else f"File: {self.file}"
+        return "" if self.pos is None else f" [line {self.pos[0]+1}, col {self.pos[1]+1}]"

    def message(self):
-        return f"{self._title()}\n{self._file()} {self._position()}\n\n{self.msg}\n{self._postMessage()}"
+        return f"{self._title()}{self._position()}:\n{self.msg}\n{self._postMessage()}"
--- a/smnp/error/custom.py
+++ b/smnp/error/custom.py
@@ -1,12 +0,0 @@
-from smnp.error.runtime import RuntimeException
-
-
-class CustomException(RuntimeException):
-    def __init__(self, message, pos):
-        super().__init__(message, pos)
-
-    def _title(self):
-        return "Execution Error"
-
-    def _postMessage(self):
-        return "\n" + self.environment.callStackToString() if len(self.environment.callStack) > 0 else ""
--- a/smnp/function/signature.py
+++ b/smnp/function/signature.py
@@ -12,9 +12,6 @@ class Signature:

 def varargSignature(varargMatcher, *basicSignature, wrapVarargInValue=False):
    def check(args):
-        if any([ matcher.optional for matcher in [ varargMatcher, *basicSignature ]]):
-            raise RuntimeError("Vararg signature can't have optional arguments")
-
        if len(basicSignature) > len(args):
            return doesNotMatchVararg(basicSignature)

@@ -41,7 +38,7 @@ def doesNotMatchVararg(basicSignature):

 def signature(*signature):
    def check(args):
-        if len(args) > len(signature) or len(args) < len([ matcher for matcher in signature if not matcher.optional ]):
+        if len(signature) != len(args):
            return doesNotMatch(signature)

        for s, a in zip(signature, args):
@@ -55,12 +52,6 @@ def signature(*signature):
    return Signature(check, string, signature)


-def optional(matcher):
-    matcher.optional = True
-    matcher.string += "?"
-    return matcher
-
-
 def doesNotMatch(sign):
    return (False, *[None for n in sign])

--- a/smnp/library/code/main.mus
+++ b/smnp/library/code/main.mus
@@ -1,492 +0,0 @@
-function flat(list lists...) {
-    return _flat(lists as l ^ _flat(l, []), []);
-}
-
-function _flat(list l, list output) {
-    l as elem ^ {
-        if (typeOf(elem) == list) {
-            output = _flat(elem, output);
-        } else {
-            output = output + [elem];
-        }
-    }
-
-    return output;
-}
-
-extend note as n {
-    function withOctave(integer octave) {
-        return Note(n.pitch, octave, n.duration, n.dot);
-    }
-
-    function withDuration(integer duration) {
-        return Note(n.pitch, n.octave, duration, n.dot);
-    }
-
-    function withDot(bool dot) {
-        return Note(n.pitch, n.octave, n.duration, dot);
-    }
-
-    function toIntRepr() {
-        return n.octave * 12 + _pitchToNumber(n.pitch);
-    }
-
-    function transpose(integer value) {
-        return noteFromIntRepr(n.toIntRepr() + value, n.duration, n.dot);
-    }
-}
-
-function noteFromIntRepr(integer intRepr, integer duration, bool dot) {
-    pitch = _numberToPitch(mod(intRepr, 12));
-    octave = Integer(intRepr / 12);
-    return Note(pitch, octave, duration, dot);
-}
-
-function mod(integer a, integer b) {
-    return a - b * Integer(a/b);
-}
-
-function _pitchToNumber(string pitch) {
-    return _keysToIntMapper(
-        "C",
-        "CIS",
-        "D",
-        "DIS",
-        "E",
-        "F",
-        "FIS",
-        "G",
-        "GIS",
-        "A",
-        "AIS",
-        "H"
-    ).get(pitch);
-}
-
-function _keysToIntMapper(keys...) {
-    return Map(keys as (i, key) ^ [key, i]);
-}
-
-function _numberToPitch(integer number) {
-    return ["C", "CIS", "D", "DIS", "E", "F", "FIS", "G", "GIS", "A", "AIS", "H"].get(number);
-}
-
-function transpose(integer value, <note, integer, list<note, integer>> notes...) {
-    if (notes.size == 1) {
-        first = notes.get(0);
-        if (typeOf(first) == integer) {
-            return first;
-        } else if (typeOf(first) == note) {
-            return first.transpose(value);
-        } else if (typeOf(first) == list) {
-            return _transpose(value, first);
-        }
-    }
-
-    noteOrInteger = false;
-    lists = false;
-
-    notes as n ^ {
-        if (typeOf(n) == note or typeOf(n) == integer) {
-            noteOrInteger = true;
-            if (lists) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        } else if (typeOf(n) == list) {
-            lists = true;
-            if (noteOrInteger) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        }
-    }
-
-    output = [];
-    notes as n ^ {
-        if (typeOf(n) == integer) {
-            output = output + [n];
-        } else if (typeOf(n) == note) {
-            output = output + [n.transpose(value)];
-        } else if (typeOf(n) == list) {
-            output = output + [_transpose(value, n)];
-        }
-    }
-
-    return output;
-}
-
-function _transpose(integer value, list<note, integer> notes) {
-    output = [];
-    notes as n ^ {
-        if (typeOf(n) == integer) {
-            output = output + [n];
-        } else if (typeOf(n) == note) {
-            output = output + [n.transpose(value)];
-        }
-    }
-    return output;
-}
-
-function transposeTo(note target, <note, integer, list<note, integer>> notes...) {
-    if (notes.size == 1) {
-        first = notes.get(0);
-        if (typeOf(first) == integer) {
-            return first;
-        } else if (typeOf(first) == note) {
-            return _transposeTo(target, notes).get(0);
-        } else if (typeOf(first) == list) {
-            return _transposeTo(target, first);
-        }
-    }
-
-    noteOrInteger = false;
-    lists = false;
-
-    notes as n ^ {
-        if (typeOf(n) == note or typeOf(n) == integer) {
-            noteOrInteger = true;
-            if (lists) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        } else if (typeOf(n) == list) {
-            lists = true;
-            if (noteOrInteger) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        }
-    }
-
-    if (noteOrInteger) {
-        return _transposeTo(target, notes);
-    }
-
-    if (lists) {
-        return notes as n ^ _transposeTo(target, n);
-    }
-}
-
-function _transposeTo(note target, list<note, integer> notes) {
-    if (notes.size == 0) {
-        throw "Provide list with one note at least";
-    }
-
-    firstNote = notes.get(0);
-    semitones = semitones(firstNote, target);
-    return transpose(semitones, notes);
-}
-
-function tuplet(integer n, integer m, note notes...) {
-    if (n != notes.size) {
-        throw "Expected " + n.toString() + " notes exactly, whereas " + notes.size.toString() + " was passed";
-    }
-
-    return notes as x ^ x.withDuration(x.duration * n / m);
-}
-
-extend list as l with function contains(expectedValue) {
-    return (l as value ^ value % value == expectedValue).size > 0;
-}
-
-extend map as m {
-    function containsKey(expectedKey) {
-        return m.keys.contains(expectedKey);
-    }
-
-    function containsValue(expectedValue) {
-        return m.values.contains(expectedValue);
-    }
-
-    function contains(key, value) {
-        if (m.keys.contains(key)) {
-            return m.get(key) == value;
-        }
-
-        return false;
-    }
-}
-
-function sample(items...) {
-    if (items.size == 0) {
-        throw "Provide one item at least";
-    }
-
-    if (items.size == 1 and typeOf(items) == list) {
-        return items.get(0).get(rand(0, items.get(0).size-1));
-    }
-
-    return items.get(rand(0, items.size-1));
-}
-
-extend string as s with function join(list<string> l) {
-    output = "";
-    l as (index, item) ^ {
-        output = output + item;
-        if (index < l.size - 1) {
-            output = output + s;
-        }
-    }
-
-    return output;
-}
-
-function random(map<string><> items...) {
-    accumulator = 0;
-    items as (index, item) ^ {
-        if (item.size != 2) {
-            throw "Expected lists with two items: percent and value";
-        }
-
-        if (not item.containsKey("percent")) {
-            throw "Item " + (index+1).toString() + " does not have 'percent' key";
-        }
-
-        if (not item.containsKey("value")) {
-            throw "Item " + (index+1).toString() + " does not have 'value' key";
-        }
-
-        accumulator = accumulator + item.get("percent");
-    }
-
-    if (accumulator != 100) {
-        throw "Sum of first element of each item must be equal to 100";
-    }
-
-    accumulator = 0;
-    random = rand(0, 99);
-    items as item ^ {
-        accumulator = accumulator + item.get("percent");
-        if (random < accumulator) {
-            return item.get("value");
-        }
-    }
-}
-
-function semitones(<note, integer, list<note, integer>> notes...) {
-    noteOrInteger = false;
-    lists = false;
-
-    notes as n ^ {
-        if (typeOf(n) == note or typeOf(n) == integer) {
-            noteOrInteger = true;
-            if (lists) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        } else if (typeOf(n) == list) {
-            lists = true;
-            if (noteOrInteger) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        }
-    }
-
-    if (noteOrInteger) {
-        return _semitones(notes);
-    }
-
-    if (lists) {
-        output = [];
-        notes as n ^ {
-            output = output + [_semitones(n)];
-        }
-
-        #if (output.size == 1) {
-        #    return output.get(0)
-        #}
-
-        return output;
-    }
-
-    return [];
-}
-
-function _semitones(list<note, integer> notes) {
-    onlyNotes = notes as n ^ n % typeOf(n) == note;
-
-    if (onlyNotes.size == 2 and typeOf(onlyNotes.get(0)) == note and typeOf(onlyNotes.get(1)) == note) {
-        first = onlyNotes.get(0);
-        second = onlyNotes.get(1);
-        return second.toIntRepr() - first.toIntRepr();
-    }
-
-    if (onlyNotes.size < 2) {
-        throw "Provide 2 notes at least to evaluate semitones between them";
-    }
-
-    output = [];
-    range(1, onlyNotes.size-1) as i ^ {
-        output = output + [onlyNotes.get(i).toIntRepr() - onlyNotes.get(i-1).toIntRepr()];
-    }
-
-    return output;
-}
-
-function stringInterval(integer semitones) {
-    return [
-        "1",
-        "2m",
-        "2M",
-        "3m",
-        "3M",
-        "4",
-        "5d/4A",
-        "5",
-        "6m",
-        "6M",
-        "7m",
-        "7M"
-    ].get(semitones);
-}
-
-function interval(<note, integer, list<note, integer>> notes...) {
-    noteOrInteger = false;
-    lists = false;
-
-    notes as n ^ {
-        if (typeOf(n) == note or typeOf(n) == integer) {
-            noteOrInteger = true;
-            if (lists) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        } else if (typeOf(n) == list) {
-            lists = true;
-            if (noteOrInteger) {
-                throw "Mixing notes and integers with lists of them is not supported";
-            }
-        }
-    }
-
-    if (noteOrInteger) {
-        semitones = _semitones(notes);
-        if (typeOf(semitones) == list) {
-            return semitones as n ^ stringInterval(n);
-        } else {
-            return stringInterval(semitones);
-        }
-    }
-
-    if (lists) {
-        output = [];
-        notes as n ^ {
-            semitones = _semitones(n);
-            if (typeOf(semitones) == list) {
-                output = output + [_semitones(n) as semitone ^ stringInterval(semitone)];
-            } else {
-                output = output + [stringInterval(semitones)];
-            }
-        }
-
-        #if (output.size == 1) {
-        #    return output.get(0);
-        #}
-
-        return output;
-    }
-
-    return [];
-}
-
-function noteRange(note a, note b, string filter = "all") {
-    filters = {
-        "all" -> [ "C", "CIS", "D", "DIS", "E", "F", "FIS", "G", "GIS", "A", "AIS", "H" ],
-        "diatonic" -> [ "C", "D", "E", "F", "G", "A", "H" ],
-        "chromatic" -> [ "CIS", "DIS", "FIS", "GIS", "AIS" ]
-    };
-
-    if (not filters.containsKey(filter)) {
-        throw "Unknown filter: '" + filter + "'";
-    }
-
-    notes = range(a.toIntRepr(), b.toIntRepr()) as intRepr ^ noteFromIntRepr(intRepr, a.duration, a.dot);
-    return notes as n ^ n % filters.get(filter).contains(n.pitch);
-
-}
-
-function range(<integer, float> a, <integer, float> b, <integer, float> step = 1) {
-    if (not (step > 0)) {
-        throw "Step should be greater than 0";
-    }
-
-    if (a > b) {
-        throw "Upper range value should be greater than lower or equal to";
-    }
-
-    output = [];
-
-    i = a;
-    i <= b ^ {
-        output = output + [i];
-        i = i + step;
-    }
-
-    return output;
-}
-
-function alert(<integer, bool> cycles = true, string melody = "beep", list<float, integer> overtones = [0.5, 0.0, 0.0, 0.5]) {
-    if (not [integer, bool].contains(typeOf(cycles))) {
-        throw "Provide 'true' or number of cycles as first argument";
-    }
-
-    if (typeOf(cycles) == integer) {
-        if (cycles < 1) {
-            throw "Number of cycles cannot be less than 1";
-        }
-    }
-
-    if (typeOf(cycles) == bool) {
-        if (not cycles) {
-            throw "Provide 'true' or number of cycles as first argument";
-        }
-    }
-
-    notes = {
-        "beep" -> [@c5:16, 32, @c5:16, 3],
-        "s1" -> noteRange(@c5:32, @g5:32),
-        "s2" -> _upDown(noteRange(@c5:32, @g5:32)),
-        "s3" -> [@a5:16, @d5:16],
-        "semitone" -> [@c5:16, @db5:16]
-    };
-
-    if (not notes.containsKey(melody)) {
-        throw "Unknown melody '" + melody + "'. Available: 'beep', 's1', 's2', 's3' and 'semitone'";
-    }
-
-    config = {
-        bpm -> 120,
-        decay -> 0.5,
-        attack -> 200,
-        overtones -> overtones
-    };
-
-    wave = wave(config, notes.get(melody));
-
-    cycles ^ synth(wave);
-}
-
-function _upDown(list l) {
-    return l + -l;
-}
-
-function metronome(integer bpm = 120, integer beats = 4, countMeasures = false) {
-    accent = wave({
-        overtones -> flat([0.5, 0.1, 10^0, 0.1, 10^0, 0.1, 20^0, 0.1, 25^0, 0.05, 25^0, 0.05]),
-        attack -> 0,
-        decay -> 5,
-        bpm -> bpm
-    }, @c);
-
-    beat = wave({
-        overtones -> flat([0.5, 10^0, 0.3, 10^0, 0.2]),
-        attack -> 0,
-        decay -> 100,
-        bpm -> bpm
-    }, @c);
-
-    measure = 1;
-    true ^ {
-        if (countMeasures) {
-            println(measure);
-            measure = measure + 1;
-        }
-        synth(accent);
-        beats - 1 ^ synth(beat);
-    }
-}
--- a/smnp/library/loader.py
+++ b/smnp/library/loader.py
@@ -5,5 +5,7 @@ from smnp.program.interpreter import Interpreter

 def loadStandardLibrary():
    mainSource = resource_string('smnp.library.code', 'main.mus').decode("utf-8")
-    env = Interpreter.interpretString(mainSource, "<stdlib>")
-    return env
+    boolSource = resource_string('smnp.library.code', 'bool.mus').decode("utf-8")
+    env = Interpreter.interpretString(mainSource)
+    return Interpreter.interpretString(boolSource, baseEnvironment=env)
+
--- a/smnp/main.py
+++ b/smnp/main.py
@@ -1,38 +1,35 @@
-from smnp.cli.parser import CliParser
+from smnp.ast.node.atom import AtomParser
+from smnp.ast.node.chain import ChainParser
+from smnp.ast.node.list import ListParser
+from smnp.ast.node.model import Node
 from smnp.error.base import SmnpException
-from smnp.library.loader import loadStandardLibrary
-from smnp.module.mic.lib.detector.noise import NoiseDetector
-from smnp.program.interpreter import Interpreter
-
-
-def interpretFile(args, file):
-    stdLibraryEnv = loadStandardLibrary() if not args.dry_run else None
-    Interpreter.interpretFile(file, printTokens=args.tokens, printAst=args.ast, execute=not args.dry_run, baseEnvironment=stdLibraryEnv)
-
-
-def interpretString(args, string):
-    stdLibraryEnv = loadStandardLibrary() if not args.dry_run else None
-    Interpreter.interpretString(string, printTokens=args.tokens, printAst=args.ast, execute=not args.dry_run, baseEnvironment=stdLibraryEnv, source='<cli>')
+from smnp.token.tokenizer import tokenize


 def main():
    try:
-        parser = CliParser()
-        args = parser.parse()
+        # stdLibraryEnv = loadStandardLibrary()
+        # Interpreter.interpretFile(sys.argv[1], printTokens=True, printAst=True, execute=False, baseEnvironment=None)
+        # draft()

-        if args.mic:
-            nd = NoiseDetector()
-            nd.test()
+        class TestNode(Node):
+            def __init__(self, children):
+                super().__init__((-1, -1))
+                self.children = children

-        for code in args.code:
-            interpretString(args, code)
+        tokens = tokenize(['[1, 2]'])
+        parser = ListParser()
+        #print(parser.grammar())
+        res = parser.parse(tokens)

-        for file in args.file:
-            interpretFile(args, file)
+        print()
+        if res.result:
+            res.node.print()
+        else:
+            print("nie sparsowano")

    except SmnpException as e:
        print(e.message())

    except KeyboardInterrupt:
        print("Program interrupted")
-
--- a/smnp/module/init.py
+++ b/smnp/module/init.py
@@ -1,4 +1,4 @@
-from smnp.module import system, mic, note, iterable, sound, synth, string, util, integer, float
+from smnp.module import system, mic, note, iterable, sound, synth, string, util

-functions = [ *system.functions, *mic.functions, *note.functions, *iterable.functions, *sound.functions, *synth.functions, *string.functions, *util.functions, *integer.functions, *float.functions ]
-methods = [ *system.methods, *mic.methods, *note.methods, *iterable.methods, *sound.methods, *synth.methods, *string.methods, *util.methods, *integer.methods, *float.methods ]
+functions = [ *system.functions, *mic.functions, *note.functions, *iterable.functions, *sound.functions, *synth.functions, *string.functions, *util.functions ]
+methods = [ *system.methods, *mic.methods, *note.methods, *iterable.methods, *sound.methods, *synth.methods, *string.functions, *util.methods ]
--- a/smnp/module/float/init.py
+++ b/smnp/module/float/init.py
@@ -1,4 +0,0 @@
-from smnp.module.float.function import float
-
-functions = [ float.function ]
-methods = []
--- a/smnp/module/float/function/init.py
+++ b/smnp/module/float/function/init.py
--- a/smnp/module/float/function/float.py
+++ b/smnp/module/float/function/float.py
@@ -1,26 +0,0 @@
-from smnp.function.model import CombinedFunction, Function
-from smnp.function.signature import signature
-from smnp.type.model import Type
-from smnp.type.signature.matcher.type import ofType
-
-_signature1 = signature(ofType(Type.INTEGER))
-def _function1(env, value):
-    return Type.float(float(value.value))
-
-
-_signature2 = signature(ofType(Type.STRING))
-def _function2(env, value):
-    return Type.float(float(value.value))
-
-
-_signature3 = signature(ofType(Type.FLOAT))
-def _function3(env, value):
-    return value
-
-
-function = CombinedFunction(
-    'Float',
-    Function(_signature1, _function1),
-    Function(_signature2, _function2),
-    Function(_signature3, _function3),
-)
--- a/smnp/module/integer/init.py
+++ b/smnp/module/integer/init.py
@@ -1,4 +0,0 @@
-from smnp.module.integer.function import integer
-
-functions = [ integer.function ]
-methods = []
--- a/smnp/module/integer/function/init.py
+++ b/smnp/module/integer/function/init.py
--- a/smnp/module/integer/function/integer.py
+++ b/smnp/module/integer/function/integer.py
@@ -1,25 +0,0 @@
-from smnp.function.model import CombinedFunction, Function
-from smnp.function.signature import signature
-from smnp.type.model import Type
-from smnp.type.signature.matcher.type import ofType
-
-_signature1 = signature(ofType(Type.FLOAT))
-def _function1(env, value):
-    return Type.integer(int(value.value))
-
-
-_signature2 = signature(ofType(Type.STRING))
-def _function2(env, value):
-    return Type.integer(int(value.value))
-
-
-_signature3 = signature(ofType(Type.INTEGER))
-def _function3(env, value):
-    return value
-
-function = CombinedFunction(
-    'Integer',
-    Function(_signature1, _function1),
-    Function(_signature2, _function2),
-    Function(_signature3, _function3),
-)
--- a/smnp/module/iterable/init.py
+++ b/smnp/module/iterable/init.py
@@ -1,4 +1,4 @@
-from smnp.module.iterable.function import map, get
+from smnp.module.iterable.function import combine, flat, map, range, get

-functions = [ map.function ]
+functions = [ combine.function, flat.function, map.function, range.function ]
 methods = [ get.function ]
--- a/smnp/module/iterable/function/combine.py
+++ b/smnp/module/iterable/function/combine.py
@@ -0,0 +1,18 @@
+from functools import reduce
+
+from smnp.function.model import Function
+from smnp.function.signature import varargSignature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofTypes
+
+_signature = varargSignature(ofTypes(Type.LIST))
+def _function(env, vararg):
+    if len(vararg) == 1:
+        return vararg[0]
+
+    combined = reduce(lambda x, y: x.value + y.value, vararg)
+    return Type.list(combined)
+
+
+function = Function(_signature, _function, 'combine')
+
--- a/smnp/module/iterable/function/flat.py
+++ b/smnp/module/iterable/function/flat.py
@@ -0,0 +1,23 @@
+from smnp.function.model import Function
+from smnp.function.signature import varargSignature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import allTypes
+
+_signature = varargSignature(allTypes())
+def _function(env, vararg):
+    return Type.list(doFlat(vararg, [])).decompose()
+
+
+def doFlat(input, output=None):
+    if output is None:
+        output = []
+
+    for item in input:
+        if item.type == Type.LIST:
+            doFlat(item.value, output)
+        else:
+            output.append(item)
+    return output
+
+
+function = Function(_signature, _function, 'flat')
--- a/smnp/module/iterable/function/range.py
+++ b/smnp/module/iterable/function/range.py
@@ -0,0 +1,36 @@
+from smnp.function.model import CombinedFunction, Function
+from smnp.function.signature import signature
+from smnp.note.model import Note
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofType
+
+_signature1 = signature(ofType(Type.INTEGER))
+def _function1(env, upper):
+    return Type.list(list(range(upper.value + 1)))
+
+
+_signature2 = signature(ofType(Type.INTEGER), ofType(Type.INTEGER))
+def _function2(env, lower, upper):
+    return Type.list(list(range(lower.value, upper.value + 1)))
+
+
+_signature3 = signature(ofType(Type.INTEGER), ofType(Type.INTEGER), ofType(Type.INTEGER))
+def _function3(env, lower, upper, step):
+    return Type.list(list(range(lower.value, upper.value + 1, step.value)))
+
+
+_signature4 = signature(ofType(Type.NOTE), ofType(Type.NOTE))
+def _function4(env, lower, upper):
+    return Type.list([Type.note(n) for n in Note.range(lower.value, upper.value)])
+
+
+# TODO
+# signature5 = range(note lower, note upper, integer step) OR step = "diatonic" | "chromatic" | "augmented" | "diminish"
+
+function = CombinedFunction(
+    'range',
+    Function(_signature1, _function1),
+    Function(_signature2, _function2),
+    Function(_signature3, _function3),
+    Function(_signature4, _function4),
+)
--- a/smnp/module/note/init.py
+++ b/smnp/module/note/init.py
@@ -1,4 +1,4 @@
-from smnp.module.note.function import note
+from smnp.module.note.function import tuplet, transpose, semitones, octave, duration, interval

-functions = [ note.function ]
-methods = []
+functions = [ semitones.function, interval.function, transpose.function, tuplet.function ]
+methods = [ duration.function, octave.function ]
--- a/smnp/module/note/function/duration.py
+++ b/smnp/module/note/function/duration.py
@@ -0,0 +1,11 @@
+from smnp.function.model import Function
+from smnp.function.signature import signature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofType
+
+_signature = signature(ofType(Type.NOTE), ofType(Type.INTEGER))
+def _function(env, note, duration):
+    return Type.note(note.value.withDuration(duration.value))
+
+
+function = Function(_signature, _function, 'withDuration')
--- a/smnp/module/note/function/interval.py
+++ b/smnp/module/note/function/interval.py
@@ -0,0 +1,27 @@
+from smnp.function.model import Function, CombinedFunction
+from smnp.function.signature import varargSignature
+from smnp.note.interval import intervalToString
+from smnp.note.model import Note
+from smnp.type.model import Type
+from smnp.type.signature.matcher.list import listOf
+from smnp.type.signature.matcher.type import ofTypes
+
+_signature1 = varargSignature(ofTypes(Type.NOTE, Type.INTEGER))
+def _function1(env, vararg):
+    withoutPauses = [note.value for note in vararg if note.type == Type.NOTE]
+    if len(withoutPauses) < 2:
+        return Type.list([])
+    semitones = [Note.checkInterval(withoutPauses[i-1], withoutPauses[i]) for i in range(1, len(withoutPauses))]
+    return Type.list([Type.string(intervalToString(s)) for s in semitones]).decompose()
+
+
+_signature2 = varargSignature(listOf(Type.NOTE, Type.INTEGER))
+def _function2(env, vararg):
+    return Type.list([_function1(env, arg.value) for arg in vararg]).decompose()
+
+
+function = CombinedFunction(
+    'interval',
+    Function(_signature1, _function1),
+    Function(_signature2, _function2)
+)
--- a/smnp/module/note/function/note.py
+++ b/smnp/module/note/function/note.py
@@ -1,11 +0,0 @@
-from smnp.function.model import Function
-from smnp.function.signature import signature
-from smnp.note.model import Note
-from smnp.type.model import Type
-from smnp.type.signature.matcher.type import ofType
-
-_signature = signature(ofType(Type.STRING), ofType(Type.INTEGER), ofType(Type.INTEGER), ofType(Type.BOOL))
-def _function(env, note, octave, duration, dot):
-    return Type.note(Note(note.value, octave.value, duration.value, dot.value))
-
-function = Function(_signature, _function, 'Note')
--- a/smnp/module/note/function/octave.py
+++ b/smnp/module/note/function/octave.py
@@ -0,0 +1,11 @@
+from smnp.function.model import Function
+from smnp.function.signature import signature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofType
+
+_signature = signature(ofType(Type.NOTE), ofType(Type.INTEGER))
+def _function(env, note, octave):
+    return Type.note(note.value.withOctave(octave.value))
+
+
+function = Function(_signature, _function, 'withOctave')
--- a/smnp/module/note/function/semitones.py
+++ b/smnp/module/note/function/semitones.py
@@ -0,0 +1,25 @@
+from smnp.function.model import Function, CombinedFunction
+from smnp.function.signature import varargSignature
+from smnp.note.model import Note
+from smnp.type.model import Type
+from smnp.type.signature.matcher.list import listOf
+from smnp.type.signature.matcher.type import ofTypes
+
+_signature1 = varargSignature(ofTypes(Type.NOTE, Type.INTEGER))
+def _function1(env, vararg):
+    withoutPauses = [note.value for note in vararg if note.type == Type.NOTE]
+    if len(withoutPauses) < 2:
+        return Type.list([])
+    return Type.list([Type.integer(Note.checkInterval(withoutPauses[i-1], withoutPauses[i])) for i in range(1, len(withoutPauses))]).decompose()
+
+
+_signature2 = varargSignature(listOf(Type.NOTE, Type.INTEGER))
+def _function2(env, vararg):
+    return Type.list([_function1(env, arg.value) for arg in vararg]).decompose()
+
+
+function = CombinedFunction(
+    "semitones",
+    Function(_signature1, _function1),
+    Function(_signature2, _function2),
+)
--- a/smnp/module/note/function/transpose.py
+++ b/smnp/module/note/function/transpose.py
@@ -0,0 +1,22 @@
+from smnp.function.model import CombinedFunction, Function
+from smnp.function.signature import varargSignature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.list import listOf
+from smnp.type.signature.matcher.type import ofTypes
+
+_signature1 = varargSignature(ofTypes(Type.INTEGER, Type.NOTE), ofTypes(Type.INTEGER))
+def _function1(env, value, vararg):
+    transposed = [Type.note(arg.value.transpose(value.value)) if arg.type == Type.NOTE else arg for arg in vararg]
+    return Type.list(transposed).decompose()
+
+
+_signature2 = varargSignature(listOf(Type.INTEGER, Type.NOTE), ofTypes(Type.INTEGER))
+def _function2(env, value, vararg):
+    return Type.list([_function1(env, value, arg.value) for arg in vararg]).decompose()
+
+
+function = CombinedFunction(
+    'transpose',
+    Function(_signature1, _function1),
+    Function(_signature2, _function2)
+)
--- a/smnp/module/note/function/tuplet.py
+++ b/smnp/module/note/function/tuplet.py
@@ -0,0 +1,23 @@
+from smnp.function.model import CombinedFunction, Function
+from smnp.function.signature import signature, varargSignature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.list import listOf
+from smnp.type.signature.matcher.type import ofTypes
+
+_signature1 = varargSignature(ofTypes(Type.NOTE), ofTypes(Type.INTEGER), ofTypes(Type.INTEGER))
+def _function1(env, n, m, vararg):
+    t = [Type.note(arg.value.withDuration(int(arg.value.duration * n.value / m.value))) for arg in vararg]
+    return Type.list(t).decompose()
+
+
+
+_signature2 = signature(ofTypes(Type.INTEGER), ofTypes(Type.INTEGER), listOf(Type.NOTE))
+def _function2(env, n, m, notes):
+    return _function1(env, n, m, notes.value)
+
+
+function = CombinedFunction(
+    'tuplet',
+    Function(_signature1, _function1),
+    Function(_signature2, _function2)
+)
--- a/smnp/module/string/init.py
+++ b/smnp/module/string/init.py
@@ -1,4 +1,4 @@
-from smnp.module.string.function import stringify
+from smnp.module.string.function import concat

-functions = []
-methods = [ stringify.function ]
+functions = [ concat.function ]
+methods = []
--- a/smnp/module/string/function/concat.py
+++ b/smnp/module/string/function/concat.py
@@ -0,0 +1,11 @@
+from smnp.function.model import Function
+from smnp.function.signature import varargSignature
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofType
+
+_signature = varargSignature(ofType(Type.STRING))
+def _function(env, vararg):
+    return Type.string("".join([ arg.value for arg in vararg ]))
+
+
+function = Function(_signature, _function, 'concat')
--- a/smnp/module/string/function/stringify.py
+++ b/smnp/module/string/function/stringify.py
@@ -1,10 +0,0 @@
-from smnp.function.model import Function
-from smnp.function.signature import signature
-from smnp.type.model import Type
-from smnp.type.signature.matcher.type import allTypes
-
-_signature = signature(allTypes())
-def _function(env, object):
-    return Type.string(object.stringify())
-
-function = Function(_signature, _function, 'toString')
--- a/smnp/module/synth/init.py
+++ b/smnp/module/synth/init.py
@@ -1,4 +1,4 @@
-from smnp.module.synth.function import synth, pause, plot, compile, fft
+from smnp.module.synth.function import synth, pause

-functions = [ synth.function, pause.function, plot.function, compile.function, fft.function ]
+functions = [ synth.function, pause.function ]
 methods = []
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Bartłomiej Pluta	49e4c4487e	--wip-- [skip ci]	2019-07-11 19:36:25 +02:00
Bartłomiej Pluta	e7674a4834	Create almost working proof of concept with new parsers	2019-07-11 19:10:13 +02:00
Bartłomiej Pluta	ed2c8dc6dd	Create base for future parsers	2019-07-11 18:24:05 +02:00
Bartłomiej Pluta	f91e2a75de	Create oneOf and allOf parsers	2019-07-11 17:23:39 +02:00
				`@@ -1,2 +0,0 @@`
				You have to have installed `PortAudio` in order to use app.