Add *.mus files

.gitignore

@@ -1,3 +1,4 @@
 __pycache__/
 *.mus
 .idea/*
+venv/

Pipfile

@@ -0,0 +1,16 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+sounddevice = "*"
+soundfile = "*"
+numpy = "*"
+matplotlib = "*"
+tkinter = "*"
+
+[requires]
+python_version = "3.7"

Pipfile.lock

@@ -0,0 +1,180 @@
+{
+    "_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": {}
+}

examples/adeste.mus

@@ -0,0 +1,36 @@
+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);

examples/bohemian.mus

@@ -0,0 +1,42 @@
+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);

examples/cantina.mus

@@ -0,0 +1,120 @@
+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));

examples/les_anges.mus

@@ -0,0 +1,31 @@
+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);

examples/per_crucem.mus

@@ -0,0 +1,18 @@
+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);

examples/quem_pastores.mus

@@ -0,0 +1,31 @@
+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);

os_requirements.txt

@@ -0,0 +1,2 @@
+You have to have installed `PortAudio` in order to use app.
+

smnp/ast/node/access.py

@@ -1,56 +0,0 @@
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.ignore import IgnoredNode
-from smnp.ast.parser import Parser
-from smnp.error.syntax import SyntaxException
-from smnp.token.type import TokenType
-
-
-class AccessNode(ExpressionNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children.append(IgnoredNode(pos))
-
-    @property
-    def left(self):
-        return self[0]
-
-    @left.setter
-    def left(self, value):
-        self[0] = value
-
-    @property
-    def right(self):
-        return self[1]
-
-    @right.setter
-    def right(self, value):
-        self[1] = value
-
-    @classmethod
-    def _parse(cls, input):
-        def createNode(left, right):
-            node = AccessNode(right.pos)
-            node.left = left
-            node.right = right
-            return node
-
-        return Parser.leftAssociativeOperatorParser(
-            cls._literalParser(),
-            TokenType.DOT,
-            cls._parseAccessingProperty(),
-            createNode=createNode
-        )(input)
-
-    @classmethod
-    def _literalParser(cls):
-        pass
-
-    @staticmethod
-    def _parseAccessingProperty():
-        from smnp.ast.node.identifier import IdentifierNode
-
-        return Parser.oneOf(
-            IdentifierNode._literalParser(),
-            IdentifierNode._functionCallParser(),
-            exception=lambda input: SyntaxException(f"Expected property name or method call, found '{input.current().rawValue}'", input.currentPos())
-        )

smnp/ast/node/assignment.py

@@ -1,28 +0,0 @@
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.none import NoneNode
-
-
-class AssignmentNode(ExpressionNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children.append(NoneNode())
-
-    @property
-    def target(self):
-        return self[0]
-
-    @target.setter
-    def target(self, value):
-        self[0] = value
-
-    @property
-    def value(self):
-        return self[1]
-
-    @value.setter
-    def value(self, value):
-        self[1] = value
-
-    @classmethod
-    def _parse(cls, input):
-        raise RuntimeError("This class is not supposed to be automatically called")

smnp/ast/node/asterisk.py

@@ -1,28 +0,0 @@
-from smnp.ast.node.none import NoneNode
-from smnp.ast.node.statement import StatementNode
-
-
-class AsteriskNode(StatementNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode()]
-
-    @property
-    def iterator(self):
-        return self[0]
-
-    @iterator.setter
-    def iterator(self, value):
-        self[0] = value
-
-    @property
-    def statement(self):
-        return self[1]
-
-    @statement.setter
-    def statement(self, value):
-        self[1] = value
-
-    @classmethod
-    def _parse(cls, input):
-        raise RuntimeError("This class is not supposed to be automatically called")

smnp/ast/node/atom.py

@@ -0,0 +1,109 @@
+from smnp.ast.node.model import Node
+from smnp.ast.parser import Parser
+from smnp.token.type import TokenType
+
+
+class Atom(Node):
+    def __init__(self, pos):
+        super().__init__(pos)
+        self.children = [None]
+
+    @property
+    def value(self):
+        return self[0]
+
+    @value.setter
+    def value(self, value):
+        self[0] = value
+
+    @classmethod
+    def withValue(cls, value, pos):
+        node = cls(pos)
+        node.value = value
+        return node
+
+
+class IntegerLiteral(Atom):
+    pass
+
+
+class FloatLiteral(Atom):
+    pass
+
+
+class StringLiteral(Atom):
+    pass
+
+
+class NoteLiteral(Atom):
+    pass
+
+
+class BoolLiteral(Atom):
+    pass
+
+
+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"
+    )
+
+    return Parser.oneOf(
+        parentheses,
+        LiteralParser,
+        IdentifierParser,
+        ListParser,
+        MapParser,
+        name="atom"
+    )(input)
+
+

smnp/ast/node/block.py

@@ -1,20 +1,17 @@
-from smnp.ast.node.statement import StatementNode
+from smnp.ast.node.model import Node
+from smnp.ast.node.statement import StatementParser
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType
 
 
-class BlockNode(StatementNode):
+class Block(Node):
+    pass
 
-    @classmethod
-    def _parse(cls, input):
-        def createNode(start, items, end):
-            node = BlockNode(start.pos)
-            node.children = items
-            return node
 
+def BlockParser(input):
     return Parser.loop(
-            Parser.terminalParser(TokenType.OPEN_CURLY),
-            Parser.doAssert(StatementNode.parse, f"statement or '{TokenType.CLOSE_CURLY.key}'"),
-            Parser.terminalParser(TokenType.CLOSE_CURLY),
-            createNode=createNode,
+        Parser.terminal(TokenType.OPEN_CURLY),
+        Parser.doAssert(StatementParser, f"statement or '{TokenType.CLOSE_CURLY.key}'"),
+        Parser.terminal(TokenType.CLOSE_CURLY),
+        createNode=lambda open, statements, close: Block.withChildren(statements, open.pos)
     )(input)

smnp/ast/node/bool.py

@@ -1,13 +0,0 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.literal import LiteralNode
-from smnp.token.type import TokenType
-
-
-class BoolLiteralNode(LiteralNode, AccessNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        del self.children[1]
-
-    @classmethod
-    def _getTokenType(cls):
-        return TokenType.BOOL

smnp/ast/node/condition.py

@@ -0,0 +1,74 @@
+from smnp.ast.node.expression import ExpressionParser
+from smnp.ast.node.model import Node
+from smnp.ast.node.none import NoneNode
+from smnp.ast.node.statement import StatementParser
+from smnp.ast.parser import Parser
+from smnp.token.type import TokenType
+
+
+class IfElse(Node):
+    def __init__(self, pos):
+        super().__init__(pos)
+        self.children = [NoneNode(), NoneNode(), NoneNode()]
+
+    @property
+    def condition(self):
+        return self[0]
+
+    @condition.setter
+    def condition(self, value):
+        self[0] = value
+
+    @property
+    def ifNode(self):
+        return self[1]
+
+    @ifNode.setter
+    def ifNode(self, value):
+        self[1] = value
+
+    @property
+    def elseNode(self):
+        return self[2]
+
+    @elseNode.setter
+    def elseNode(self, value):
+        self[2] = value
+
+    @classmethod
+    def createNode(cls, ifNode, condition, elseNode=NoneNode()):
+        node = cls(ifNode.pos)
+        node.ifNode = ifNode
+        node.condition = condition
+        node.elseNode = elseNode
+        return node
+
+
+def IfElseStatementParser(input):
+    ifStatementParser = Parser.allOf(
+        Parser.terminal(TokenType.IF),
+        Parser.terminal(TokenType.OPEN_PAREN),
+        ExpressionParser,
+        Parser.terminal(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"),
+        createNode=lambda _, __, condition, ___, ifStatement, ____, elseStatement: IfElse.createNode(ifStatement, condition, elseStatement),
+        name="if-else statement"
+    )
+
+    return Parser.oneOf(
+        ifElseStatementParser,
+        ifStatementParser,
+        name="if-else/if statement"
+    )(input)

smnp/ast/node/expression.py

@@ -1,71 +1,128 @@
-from smnp.ast.node.asterisk import AsteriskNode
 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.operator import BinaryOperator, Operator
+from smnp.ast.node.term import TermParser
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType
 
 
-class ExpressionNode(Node):
+class Sum(BinaryOperator):
+    pass
+
+
+class Relation(BinaryOperator):
+    pass
+
+
+class And(BinaryOperator):
+    pass
+
+
+class Or(BinaryOperator):
+    pass
+
+
+class Loop(BinaryOperator):
     def __init__(self, pos):
-        super().__init__(pos, [NoneNode()])
+        super().__init__(pos)
+        self.children.extend([NoneNode(), NoneNode()])
 
     @property
-    def value(self):
-        return self[0]
+    def parameters(self):
+        return self[3]
 
+    @parameters.setter
+    def parameters(self, value):
+        self[3] = value
 
-    @value.setter
-    def value(self, v):
-        self[0] = v
+    @property
+    def filter(self):
+        return self[4]
 
+    @filter.setter
+    def filter(self, value):
+        self[4] = value
 
     @classmethod
-    def withValue(cls, val, pos):
-        node = cls(pos)
-        node.value = val
+    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
 
-    @classmethod
-    def _parse(cls, input):
-        return Parser.oneOf(
-            cls._asteriskParser(),
-            cls._expressionParser(),
+
+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)
 
-    @classmethod
-    def _asteriskParser(cls):
-        def createNode(iterator, asterisk, statement):
-            node = AsteriskNode(asterisk.pos)
-            node.iterator = iterator
-            node.statement = statement
-            return node
+
+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(
-            cls._expressionParser(),
-            Parser.terminalParser(TokenType.ASTERISK),
-            Parser.doAssert(StatementNode.parse, 'statement'),
-            createNode=createNode
-        )
+        ExpressionWithoutLoopParser,
+        Parser.optional(loopParameters),
+        Parser.terminal(TokenType.CARET, createNode=Operator.withValue),
+        StatementParser,
+        Parser.optional(loopFilter),
+        createNode=Loop.loop,
+        name="caret-loop"
+    )(input)
 
-    @classmethod
-    def _expressionParser(cls):
-        from smnp.ast.node.integer import IntegerLiteralNode
-        from smnp.ast.node.string import StringLiteralNode
-        from smnp.ast.node.note import NoteLiteralNode
-        from smnp.ast.node.bool import BoolLiteralNode
-        from smnp.ast.node.identifier import IdentifierNode
-        from smnp.ast.node.list import ListNode
-        from smnp.ast.node.map import MapNode
-        from smnp.ast.node.type import TypeNode
 
+def ExpressionParser(input):
     return Parser.oneOf(
-            IntegerLiteralNode.parse,
-            StringLiteralNode.parse,
-            NoteLiteralNode.parse,
-            BoolLiteralNode.parse,
-            IdentifierNode.parse,
-            MapNode.parse,
-            ListNode.parse,
-            TypeNode.parse,
-        )
+        LoopParser,
+        ExpressionWithoutLoopParser
+    )(input)

smnp/ast/node/extend.py

@@ -1,14 +1,14 @@
-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.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.statement import StatementNode
-from smnp.ast.node.type import TypeNode
+from smnp.ast.node.type import TypeParser
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType
 
 
-class ExtendNode(StatementNode):
+class Extend(Node):
     def __init__(self, pos):
         super().__init__(pos)
         self.children = [NoneNode(), NoneNode(), NoneNode()]
@@ -38,33 +38,51 @@ class ExtendNode(StatementNode):
         self[2] = value
 
     @classmethod
-    def _parse(cls, input):
-        def createNode(extend, type, asKeyword, variable, methods):
-            node = ExtendNode(extend.pos)
+    def withValues(cls, pos, type, variable, methods):
+        node = cls(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
+
+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)
 
-    @classmethod
-    def _methodsDeclarationsParser(cls):
-        def createNode(openBracket, items, closeBracket):
-            node = BlockNode(openBracket.pos)
-            node.children = items
-            return node
 
+def MethodsDeclarationParser(input):
     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
-        )
+        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)
+

smnp/ast/node/factor.py

@@ -0,0 +1,34 @@
+from smnp.ast.node.operator import BinaryOperator, Operator, UnaryOperator
+from smnp.ast.node.unit import UnitParser
+from smnp.ast.parser import Parser
+from smnp.token.type import TokenType
+
+class NotOperator(UnaryOperator):
+    pass
+
+
+class Power(BinaryOperator):
+    pass
+
+def FactorParser(input):
+
+    powerFactor = Parser.leftAssociativeOperatorParser(
+        UnitParser,
+        [TokenType.DOUBLE_ASTERISK],
+        UnitParser,
+        lambda left, op, right: Power.withValues(left, op, right),
+        name="power operator"
+    )
+
+    notOperator = Parser.allOf(
+        Parser.terminal(TokenType.NOT, Operator.withValue),
+        powerFactor,
+        createNode=NotOperator.withValues,
+        name="not"
+    )
+
+    return Parser.oneOf(
+        notOperator,
+        powerFactor,
+        name="factor"
+    )(input)

smnp/ast/node/function.py

@@ -1,83 +1,67 @@
-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.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.statement import StatementNode
-from smnp.ast.node.type import TypeNode, TypeSpecifier
+from smnp.ast.node.type import TypeParser, Type
 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):
+class ArgumentsDeclaration(Node):
     pass
 
 
-class ArgumentDefinitionNode(ExpressionNode):
+class Argument(Node):
+
     def __init__(self, pos):
         super().__init__(pos)
-        self.children.extend([NoneNode(), False])
+        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
 
 
-    @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
+    @property
+    def optionalValue(self):
+        return self[3]
 
-        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
-        )
+    @optionalValue.setter
+    def optionalValue(self, value):
+        self[3] = value
 
-    @classmethod
-    def _parse(cls, input):
-        #TODO
-        raise RuntimeError("Not implemented yet. There is still required work to correctly build AST related to IdentifierNode")
+class VarargNode(Node):
+    pass
 
 
-
-class FunctionDefinitionNode(StatementNode):
+class FunctionDefinition(Node):
     def __init__(self, pos):
         super().__init__(pos)
         self.children = [NoneNode(), NoneNode(), NoneNode()]
@@ -107,22 +91,75 @@ class FunctionDefinitionNode(StatementNode):
         self[2] = value
 
     @classmethod
-    def _parse(cls, input):
-        def createNode(function, name, arguments, body):
-            node = FunctionDefinitionNode(function.pos)
+    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.terminalParser(TokenType.FUNCTION),
-            Parser.doAssert(IdentifierNode.identifierParser(), "function name"),
-            Parser.doAssert(cls._argumentsDeclarationParser(), "arguments list"),
-            Parser.doAssert(BlockNode.parse, "function body"),
-            createNode=createNode
+        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)
 
-    @staticmethod
-    def _argumentsDeclarationParser():
-        return abstractIterableParser(ArgumentsDeclarationNode, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN, ArgumentDefinitionNode.parser())

smnp/ast/node/identifier.py

@@ -1,53 +1,74 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.assignment import AssignmentNode
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.invocation import FunctionCallNode, ArgumentsListNode
+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.token.type import TokenType
 
 
-class IdentifierNode(AccessNode):
+class Identifier(Atom):
+    pass
+
+
+class FunctionCall(Node):
     def __init__(self, pos):
         super().__init__(pos)
-        del self.children[1]
+        self.children = [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
 
     @classmethod
-    def _literalParser(cls):
-        return Parser.oneOf(
-            IdentifierNode._functionCallParser(),
-            IdentifierNode._assignmentParser(),
-            IdentifierNode.identifierParser()
-        )
-
-    @staticmethod
-    def _assignmentParser():
-        def createNode(target, assignment, value):
-            node = AssignmentNode(assignment.pos)
-            node.target = target
-            node.value = value
-            return node
-
-        return Parser.allOf(
-            IdentifierNode.identifierParser(),
-            Parser.terminalParser(TokenType.ASSIGN),
-            Parser.doAssert(ExpressionNode.parse, "expression"),
-            createNode=createNode
-        )
-
-    @staticmethod
-    def _functionCallParser():
-        def createNode(name, arguments):
-            node = FunctionCallNode(name.pos)
+    def withChildren(cls, name, arguments):
+        node = cls(name.pos)
         node.name = name
         node.arguments = arguments
         return node
 
-        return Parser.allOf(
-            IdentifierNode.identifierParser(),
-            ArgumentsListNode.parse,
-            createNode=createNode
+
+class ArgumentsList(Node):
+    pass
+
+
+class Assignment(BinaryOperator):
+    pass
+
+
+def IdentifierLiteralParser(input):
+    return Parser.terminal(TokenType.IDENTIFIER, createNode=Identifier.withValue)(input)
+
+
+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)
     )
 
-    @staticmethod
-    def identifierParser():
-        return Parser.terminalParser(TokenType.IDENTIFIER, lambda val, pos: IdentifierNode.withValue(val, pos))
+    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)
+    )
+
+    return Parser.oneOf(
+        assignmentParser,
+        functionCallParser,
+        IdentifierLiteralParser
+    )(input)

smnp/ast/node/imports.py

@@ -1,16 +1,13 @@
-from smnp.ast.node.identifier import IdentifierNode
+from smnp.ast.node.atom import StringParser
 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
 
 
-class ImportNode(Node):
+class Import(Node):
     def __init__(self, pos):
         super().__init__(pos)
-        self.children = [NoneNode(), NoneNode(), NoneNode()]
+        self.children = [None]
 
     @property
     def source(self):
@@ -20,57 +17,17 @@ class ImportNode(Node):
     def source(self, value):
         self[0] = value
 
-    @property
-    def type(self):
-        return self[1]
-
-    @type.setter
-    def type(self, value):
-        self[1] = value
-
-    @property
-    def variable(self):
-        return self[2]
-
-    @variable.setter
-    def variable(self, value):
-        self[2] = value
-
     @classmethod
-    def _parse(cls, input):
-        return Parser.oneOf(
-            cls._literalImportParser(),
-            cls._fileImportParser()
+    def withValue(cls, value):
+        node = cls(value.pos)
+        node.source = value
+        return node
+
+
+def ImportParser(input):
+    return Parser.allOf(
+        Parser.terminal(TokenType.IMPORT),
+        Parser.doAssert(StringParser, "import source as string"),
+        createNode=lambda imp, source: Import.withValue(source),
+        name="import"
     )(input)
-
-    @classmethod
-    def _literalImportParser(cls):
-        def createNode(importKeyword, type, fromKeyword, source, asKeyword, variable):
-            node = ImportNode(importKeyword.pos)
-            node.source = source
-            node.type = type
-            node.variable = variable
-            return node
-
-        return Parser.allOf(
-            Parser.terminalParser(TokenType.IMPORT),
-            TypeNode.parse,
-            Parser.doAssert(Parser.terminalParser(TokenType.FROM), "'from <source> as <variable name>'"),
-            Parser.doAssert(StringLiteralNode._literalParser(), "source as a string"),
-            Parser.doAssert(Parser.terminalParser(TokenType.AS), "'as <variable name>'"),
-            Parser.doAssert(IdentifierNode.identifierParser(), "variable name"),
-            createNode=createNode
-        )
-
-    @classmethod
-    def _fileImportParser(cls):
-        def createNode(importKeyword, source):
-            node = ImportNode(importKeyword.pos)
-            node.source = source
-            return node
-
-        return Parser.allOf(
-            Parser.terminalParser(TokenType.IMPORT),
-            Parser.doAssert(StringLiteralNode._literalParser(), "source as a string"),
-            createNode=createNode
-        )

smnp/ast/node/integer.py

@@ -1,31 +0,0 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.parser import Parser
-from smnp.token.type import TokenType
-
-
-class IntegerLiteralNode(AccessNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        del self.children[1]
-
-    @classmethod
-    def _literalParser(cls):
-        return Parser.oneOf(
-            cls._negativeIntegerParser(),
-            cls._positiveIntegerParser()
-        )
-
-    @classmethod
-    def _negativeIntegerParser(cls):
-        def createNode(minus, integer):
-            return IntegerLiteralNode.withValue(-integer.value, minus.pos)
-
-        return Parser.allOf(
-            Parser.terminalParser(TokenType.MINUS),
-            Parser.doAssert(cls._positiveIntegerParser(), "integer"),
-            createNode=createNode
-        )
-
-    @classmethod
-    def _positiveIntegerParser(cls):
-        return Parser.terminalParser(TokenType.INTEGER, lambda val, pos: IntegerLiteralNode.withValue(int(val), pos))

smnp/ast/node/invocation.py

@@ -1,40 +0,0 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.expression import ExpressionNode
-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
-
-
-class ArgumentsListNode(Node):
-
-    @classmethod
-    def _parse(cls, input):
-        return abstractIterableParser(ArgumentsListNode, TokenType.OPEN_PAREN, TokenType.CLOSE_PAREN,
-                                      Parser.doAssert(ExpressionNode.parse, "expression"))(input)
-
-
-class FunctionCallNode(AccessNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-
-    @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
-
-    @classmethod
-    def _parse(cls, input):
-        raise RuntimeError("This class is not supposed to be automatically called")
-

smnp/ast/node/iterable.py

@@ -1,4 +1,3 @@
-from smnp.ast.node.expression import ExpressionNode
 from smnp.ast.node.ignore import IgnoredNode
 from smnp.ast.node.model import Node, ParseResult
 from smnp.ast.node.none import NoneNode
@@ -7,11 +6,19 @@ from smnp.token.type import TokenType
 
 
 def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, itemParser):
-    class AbstractIterableTailNode(ExpressionNode):
+
+    class AbstractIterable(Node):
         def __init__(self, pos):
             super().__init__(pos)
+            self.children = [NoneNode(), NoneNode()]
 
-            self.children.append(NoneNode())
+        @property
+        def value(self):
+            return self[0]
+
+        @value.setter
+        def value(self, value):
+            self[0] = value
 
         @property
         def next(self):
@@ -21,83 +28,67 @@ def abstractIterableParser(iterableNodeType, openTokenType, closeTokenType, item
         def next(self, value):
             self[1] = value
 
-        @classmethod
-        def _parse(cls, input):
+    class AbstractIterableTail(AbstractIterable):
+        pass
+
+    def abstractIterableParser(input):
         return Parser.oneOf(
-                AbstractIterableTailNode._parser1(),
-                AbstractIterableTailNode._parser2(),
+            emptyIterable,
+            openIterable
         )(input)
 
-        @staticmethod
-        def _parser1():
-            return Parser.terminalParser(closeTokenType)
-
-        @staticmethod
-        def _parser2():
-            def createNode(comma, expr, iterableTail):
-                node = AbstractIterableTailNode(expr.pos)
-                node.value = expr
-                node.next = iterableTail
+    def emptyIterable(input):
+        def createNode(open, close):
+            node = AbstractIterable(open.pos)
+            node.value = open
+            node.next = close
             return node
 
         return Parser.allOf(
-                Parser.terminalParser(TokenType.COMMA, doAssert=True),
-                itemParser,
-                AbstractIterableTailNode.parse,
+            Parser.terminal(openTokenType),
+            Parser.terminal(closeTokenType),
             createNode=createNode
-            )
-
-    class AbstractIterableNode(ExpressionNode):
-        def __init__(self, pos):
-            super().__init__(pos)
-
-            self.children.append(NoneNode())
-
-        @property
-        def next(self):
-            return self[1]
-
-        @next.setter
-        def next(self, value):
-            self[1] = value
-
-        @classmethod
-        def _parse(cls, input):
-            return Parser.oneOf(
-                AbstractIterableNode._parser1(),
-                AbstractIterableNode._parser2()
         )(input)
 
-        @staticmethod
-        def _parser1():
-            def emptyIterable(openToken, closeToken):
-                node = AbstractIterableNode(openToken.pos)
-                node.value = openToken
-                node.next = closeToken
+    def openIterable(input):
+        def createNode(open, item, tail):
+            node = AbstractIterable(open.pos)
+            node.value = item
+            node.next = tail
             return node
 
         return Parser.allOf(
-                Parser.terminalParser(openTokenType),
-                Parser.terminalParser(closeTokenType),
-                createNode=emptyIterable
-            )
-
-        @staticmethod
-        def _parser2():
-            def createNode(openParen, expr, iterableTail):
-                node = AbstractIterableNode(openParen.pos)
-                node.value = expr
-                node.next = iterableTail
-                return node
-
-            return Parser.allOf(
-                Parser.terminalParser(openTokenType, lambda val, pos: Node(pos)),
+            Parser.terminal(openTokenType),
             itemParser,
-                AbstractIterableTailNode.parse,
+            abstractIterableTailParser,
             createNode=createNode
-            )
+        )(input)
 
-    return toFlatDesiredNode(iterableNodeType, AbstractIterableNode.parse)
+    def abstractIterableTailParser(input):
+        return Parser.oneOf(
+            closeIterable,
+            nextItem,
+        )(input)
+
+    def nextItem(input):
+        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}'"),
+            itemParser,
+            abstractIterableTailParser,
+            createNode=createNode
+        )(input)
+
+    def closeIterable(input):
+        return Parser.terminal(closeTokenType)(input)
+
+
+    return toFlatDesiredNode(iterableNodeType, abstractIterableParser)
 
 
 def toFlatDesiredNode(iterableNodeType, parser):
@@ -114,7 +105,7 @@ def toFlatDesiredNode(iterableNodeType, parser):
 
         return ParseResult.FAIL()
 
-    return parse
+    return Parser(parse, "flat", [parser])
 
 
 def flattenList(node, output=None):

smnp/ast/node/list.py

@@ -1,13 +1,19 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.expression import ExpressionNode
 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
 
 
-class ListNode(AccessNode):
+class List(Node):
+    pass
 
-    @classmethod
-    def _literalParser(cls):
-        return abstractIterableParser(ListNode, TokenType.OPEN_SQUARE, TokenType.CLOSE_SQUARE,
-                                      Parser.doAssert(ExpressionNode.parse, "expression"))
+
+def ListParser(input):
+    from smnp.ast.node.expression import ExpressionParser
+
+    return abstractIterableParser(
+        List,
+        TokenType.OPEN_SQUARE,
+        TokenType.CLOSE_SQUARE,
+        Parser.doAssert(ExpressionParser, "expression")
+    )(input)

smnp/ast/node/literal.py

@@ -1,18 +0,0 @@
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.parser import Parser
-
-
-class LiteralNode(ExpressionNode):
-
-    @classmethod
-    def _getTokenType(cls):
-        pass
-
-    @classmethod
-    def _processValue(cls, value):
-        return value
-
-    @classmethod
-    def _literalParser(cls):
-        createNode = lambda val, pos: cls.withValue(cls._processValue(val), pos)
-        return Parser.terminalParser(cls._getTokenType(), createNode)

smnp/ast/node/map.py

@@ -1,19 +1,13 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.bool import BoolLiteralNode
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.integer import IntegerLiteralNode
+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.none import NoneNode
-from smnp.ast.node.note import NoteLiteralNode
-from smnp.ast.node.string import StringLiteralNode
-from smnp.ast.node.type import TypeNode
+from smnp.ast.node.model import Node
+from smnp.ast.node.operator import BinaryOperator, Operator
 from smnp.ast.parser import Parser
 from smnp.token.type import TokenType
 
-class MapEntry(ExpressionNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children = [NoneNode(), NoneNode()]
+
+class MapEntry(BinaryOperator):
 
     @property
     def key(self):
@@ -25,39 +19,36 @@ class MapEntry(ExpressionNode):
 
     @property
     def value(self):
-        return self[1]
+        return self[2]
 
     @value.setter
     def value(self, value):
-        self[1] = value
+        self[2] = value
 
-class MapNode(AccessNode):
 
-    @classmethod
-    def _literalParser(cls):
-        return abstractIterableParser(MapNode, TokenType.OPEN_CURLY, TokenType.CLOSE_CURLY, cls._entryParser())
+class Map(Node):
+    pass
 
-    @classmethod
-    def _entryParser(cls):
-        def createNode(key, arrow, value):
-            node = MapEntry(key.pos)
-            node.key = key
-            node.value = value
-            return node
 
-        return Parser.allOf(
-            cls._keyParser(),
-            Parser.terminalParser(TokenType.ARROW),
-            ExpressionNode.parse,
-            createNode=createNode
+def MapParser(input):
+    from smnp.ast.node.expression import ExpressionParser
+    keyParser = Parser.oneOf(
+        LiteralParser,
+        IdentifierLiteralParser
+    )
+    valueParser = ExpressionParser
+
+    mapEntryParser = Parser.allOf(
+        keyParser,
+        Parser.terminal(TokenType.ARROW, createNode=Operator.withValue),
+        Parser.doAssert(valueParser, "expression"),
+        createNode=MapEntry.withValues
     )
 
-    @classmethod
-    def _keyParser(cls):
-        return Parser.oneOf(
-            IntegerLiteralNode._literalParser(),
-            StringLiteralNode._literalParser(),
-            NoteLiteralNode._literalParser(),
-            BoolLiteralNode._literalParser(),
-            TypeNode.parse
-        )
+    return abstractIterableParser(
+        Map,
+        TokenType.OPEN_CURLY,
+        TokenType.CLOSE_CURLY,
+        mapEntryParser
+    )(input)
+

smnp/ast/node/model.py

@@ -28,26 +28,11 @@ 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)
 
     def _print(self, prefix="", last=True, first=False):
-        print(prefix, '' if first else '└─' if last else '├─', self.__class__.__name__, sep="")
+        print(prefix, '' if first else '└─' if last else '├─', self.__class__.__name__, f" (line {self.pos[0]+1}, col {self.pos[1]+1})", sep="")
         prefix += '   ' if last else '│  '
         for i, child in enumerate(self.children):
             last = i == len(self.children) - 1

smnp/ast/node/note.py

@@ -1,13 +0,0 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.literal import LiteralNode
-from smnp.token.type import TokenType
-
-
-class NoteLiteralNode(LiteralNode, AccessNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        del self.children[1]
-
-    @classmethod
-    def _getTokenType(cls):
-        return TokenType.NOTE

smnp/ast/node/operator.py

@@ -0,0 +1,89 @@
+from smnp.ast.node.model import Node
+from smnp.ast.node.none import NoneNode
+
+
+class UnaryOperator(Node):
+    def __init__(self, pos):
+        super().__init__(pos)
+        self.children=[NoneNode(), NoneNode()]
+
+    @property
+    def operator(self):
+        return self[0]
+
+    @operator.setter
+    def operator(self, value):
+        self[0] = value
+
+    @property
+    def value(self):
+        return self[1]
+
+    @value.setter
+    def value(self, value):
+        self[1] = value
+
+    @classmethod
+    def withValues(cls, operator, value):
+        node = cls(operator.pos)
+        node.operator = operator
+        node.value = value
+        return node
+
+
+class BinaryOperator(Node):
+    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 withValues(cls, left, operator, right):
+        node = cls(operator.pos)
+        node.left = left
+        node.operator = operator
+        node.right = right
+        return node
+
+
+class Operator(Node):
+    def __init__(self, pos):
+        super().__init__(pos)
+        self.children = [None]
+
+    @property
+    def value(self):
+        return self[0]
+
+    @value.setter
+    def value(self, value):
+        self[0] = value
+
+    @classmethod
+    def withValue(cls, value, pos):
+        node = cls(pos)
+        node.value = value
+        return node

smnp/ast/node/program.py

@@ -1,9 +1,8 @@
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.extend import ExtendNode
-from smnp.ast.node.function import FunctionDefinitionNode
-from smnp.ast.node.imports import ImportNode
+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 StatementNode
+from smnp.ast.node.statement import StatementParser
 from smnp.ast.parser import Parser
 from smnp.error.syntax import SyntaxException
 
@@ -12,21 +11,26 @@ class Program(Node):
     def __init__(self):
         super().__init__((-1, -1))
 
-    @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)
-
+def ProgramParser(input):
+    def parse(input):
         root = Program()
+
+        # Start Symbol
+        startSymbolParser = Parser.oneOf(
+            ImportParser,
+            FunctionDefinitionParser,
+            ExtendParser,
+            StatementParser,
+            exception=lambda inp: SyntaxException(f"Invalid statement: {inp.currentToEndOfLine()}", inp.current().pos),
+            name="start symbol"
+        )
+
         while input.hasCurrent():
-            result = parseToken(input)
+            result = startSymbolParser(input)
+
             if result.result:
                 root.append(result.node)
+
         return ParseResult.OK(root)
+
+    return Parser(parse, name="program")(input)

smnp/ast/node/ret.py

@@ -1,32 +1,17 @@
-from smnp.ast.node.expression import ExpressionNode
-from smnp.ast.node.none import NoneNode
-from smnp.ast.node.statement import StatementNode
+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 ReturnNode(StatementNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        self.children.append(NoneNode())
+class Return(Valuable):
+    pass
 
-    @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
 
+def ReturnParser(input):
     return Parser.allOf(
-            Parser.terminalParser(TokenType.RETURN),
-            Parser.doAssert(ExpressionNode.parse, "expression"),
-            createNode=createNode
+        Parser.terminal(TokenType.RETURN),
+        Parser.optional(ExpressionParser),
+        createNode=lambda ret, val: Return.withValue(val, ret.pos),
+        name="return"
     )(input)

smnp/ast/node/statement.py

@@ -1,17 +1,37 @@
 from smnp.ast.node.model import Node
 from smnp.ast.parser import Parser
+from smnp.token.type import TokenType
 
 
-class StatementNode(Node):
+class Statement(Node):
+    pass
 
-    @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)
+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 ""
+    )

smnp/ast/node/string.py

@@ -1,13 +0,0 @@
-from smnp.ast.node.access import AccessNode
-from smnp.ast.node.literal import LiteralNode
-from smnp.token.type import TokenType
-
-
-class StringLiteralNode(LiteralNode, AccessNode):
-    def __init__(self, pos):
-        super().__init__(pos)
-        del self.children[1]
-
-    @classmethod
-    def _getTokenType(cls):
-        return TokenType.STRING

smnp/ast/node/term.py

@@ -0,0 +1,17 @@
+from smnp.ast.node.factor import FactorParser
+from smnp.ast.node.operator import BinaryOperator
+from smnp.ast.parser import Parser
+from smnp.token.type import TokenType
+
+
+class Product(BinaryOperator):
+    pass
+
+
+def TermParser(input):
+    return Parser.leftAssociativeOperatorParser(
+        FactorParser,
+        [TokenType.ASTERISK, TokenType.SLASH],
+        FactorParser,
+        lambda left, op, right: Product.withValues(left, op, right)
+    )(input)

smnp/ast/node/throw.py

@@ -0,0 +1,17 @@
+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)

smnp/ast/node/type.py

@@ -1,32 +1,15 @@
-from smnp.ast.node.access import AccessNode
+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
-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(AccessNode):
+class Type(Node):
     def __init__(self, pos):
         super().__init__(pos)
+        self.children = [NoneNode(), NoneNode()]
 
     @property
     def type(self):
@@ -45,19 +28,40 @@ class TypeNode(AccessNode):
         self[1] = value
 
     @classmethod
-    def _parse(cls, input):
-        def createNode(type, specifiers):
-            node = TypeNode(type.pos)
-            node.type = Type[type.value.upper()]
+    def withValues(cls, pos, type, specifiers=NoneNode()):
+        node = cls(pos)
+        node.type = type
         node.specifiers = specifiers
         return node
 
-        return Parser.allOf(
-            cls._rawTypeParser(),
-            Parser.many(TypeSpecifier.parse, lambda specifiers, pos: TypeSpecifiers.withChildren(specifiers, pos)),
-            createNode=createNode
+
+class TypesList(Node):
+    pass
+
+
+def TypesListParser(input):
+    return abstractIterableParser(
+        TypesList,
+        TokenType.OPEN_ANGLE,
+        TokenType.CLOSE_ANGLE,
+        TypeParser
     )(input)
 
-    @classmethod
-    def _rawTypeParser(cls):
-        return Parser.terminalParser(TokenType.TYPE, lambda val, pos: TypeNode.withValue(val, pos))
+
+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)

smnp/ast/node/unit.py

@@ -0,0 +1,36 @@
+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)
+

smnp/ast/node/valuable.py

@@ -0,0 +1,22 @@
+from smnp.ast.node.model import Node
+from smnp.ast.node.none import NoneNode
+
+
+class Valuable(Node):
+    def __init__(self, pos):
+        super().__init__(pos)
+        self.children = [NoneNode()]
+
+    @property
+    def value(self):
+        return self[0]
+
+    @value.setter
+    def value(self, value):
+        self[0] = value
+
+    @classmethod
+    def withValue(cls, value, pos=None):
+        node = cls(value.pos if pos is None else pos)
+        node.value = value
+        return node

smnp/ast/parser.py

@@ -5,15 +5,43 @@ from smnp.error.syntax import SyntaxException
 
 
 def parse(input):
-    from smnp.ast.node.program import Program
-    return Program.parse(input).node
+    from smnp.ast.node.program import ProgramParser
+    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__
+        self.name = name
+
+    def parse(self, input):
+        result = self._parse(input)
+        if result is None:
+            return ParseResult.FAIL()
+
+        if not isinstance(result, ParseResult):
+            raise RuntimeError(f"_parse() method of '{self.__class__.__name__}' class haven't returned ParseResult object")
+
+        return result
+
+    def __call__(self, input):
+        return self.parse(input)
+
+    def __str__(self):
+        return self.name
+
+    def __repr__(self):
+        return self.__str__()
 
     # a -> A
     @staticmethod
-    def terminalParser(expectedType, createNode=None, doAssert=False):
+    def terminal(expectedType, createNode=None, doAssert=False):
         def provideNode(value, pos):
             if createNode is None:
                 return IgnoredNode(pos)
@@ -30,17 +58,22 @@ class Parser:
 
             return ParseResult.FAIL()
 
-        return parse
+        return Parser(parse, name=expectedType.name.lower())
 
     # oneOf -> a | b | c | ...
     @staticmethod
-    def oneOf(*parsers, exception=None):
+    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)
+
+            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):
@@ -48,15 +81,14 @@ class Parser:
                 else:
                     raise exception
 
-
             input.reset(snap)
             return ParseResult.FAIL()
 
-        return combinedParser
+        return Parser(combinedParser, name=name, parsers=parsers)
 
     # allOf -> a b c ...
     @staticmethod
-    def allOf(*parsers, createNode, exception=None):
+    def allOf(*parsers, createNode, exception=None, name="all"):
         if len(parsers) == 0:
             raise RuntimeError("Pass one parser at least")
 
@@ -87,29 +119,36 @@ class Parser:
             return ParseResult.OK(node)
 
 
-
-        return extendedParser
+        return Parser(extendedParser, name=name, parsers=parsers)
 
 
     # leftAssociative -> left | left OP right
     @staticmethod
-    def leftAssociativeOperatorParser(leftParser, operatorTokenType, rightParser, createNode):
+    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:
-                while Parser.terminalParser(operatorTokenType)(input).result:
+                operator = operatorParser(input)
+                while operator.result:
                     right = rightParser(input)
-                    left = ParseResult.OK(createNode(left.node, right.node))
-
+                    left = ParseResult.OK(createNode(left.node, operator.node, right.node))
+                    operator = operatorParser(input)
                 return left
 
             return ParseResult.FAIL()
 
-        return parse
+        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):
+    def loop(startParser, itemParser, endParser, createNode, name="loop"):
         def parse(input):
             items = []
             start = startParser(input)
@@ -125,10 +164,10 @@ class Parser:
 
             return ParseResult.FAIL()
 
-        return parse
+        return Parser(parse, name, parsers=[startParser, itemParser, endParser])
 
     @staticmethod
-    def doAssert(parser, expected):
+    def doAssert(parser, expected, name="!!"):
         def parse(input):
             result = parser(input)
 
@@ -139,10 +178,10 @@ class Parser:
 
             return result
 
-        return parse
+        return Parser(parse, name, parsers=parser)
 
     @staticmethod
-    def optional(parser):
+    def optional(parser, name="??"):
         def parse(input):
             result = parser(input)
             if result.result:
@@ -150,10 +189,14 @@ class Parser:
 
             return ParseResult.OK(NoneNode())
 
-        return parse
+        return Parser(parse, name, parsers=[parser])
 
     @staticmethod
-    def many(parser, createNode):
+    def epsilon():
+        return lambda *args: ParseResult.OK(NoneNode())
+
+    @staticmethod
+    def many(parser, createNode, name="*"):
         def parse(input):
             results = []
             snap = input.snapshot()
@@ -167,4 +210,15 @@ class Parser:
                     input.reset(snap)
                     return ParseResult.OK(createNode(results, pos) if len(results) > 0 else NoneNode())
 
+        return Parser(parse, name, parsers=[parser])
+
+    @staticmethod
+    def wrap(parser, createNode):
+        def parse(input):
+            result = parser(input)
+            if result.result:
+                return ParseResult.OK(createNode(result.node))
+
+            return result
+
         return parse

smnp/audio/sound.py

@@ -10,6 +10,9 @@ 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}]"
 

smnp/calc.py

@@ -0,0 +1,66 @@
+from smnp.ast.node.model import Node
+from smnp.ast.parser import Parser
+from smnp.token.tokenizer import tokenize
+from smnp.token.type import TokenType
+
+
+class Atom(Node):
+    def __init__(self, value, pos):
+        super().__init__(pos)
+        self.children = [value]
+
+    @property
+    def value(self):
+        return self[0]
+
+class Operation(Node):
+    def __init__(self, left, op, right, pos):
+        super().__init__(pos)
+        self.children = [left, op, right]
+
+    @property
+    def left(self):
+        return self[0]
+
+    @property
+    def operator(self):
+        return self[1]
+
+    @property
+    def right(self):
+        return self[2]
+
+def atom():
+    return Parser.oneOfTerminals(TokenType.INTEGER, TokenType.NOTE, TokenType.STRING, createNode=lambda val, pos: Atom(val, pos))
+
+def chain():
+    return Parser.leftAssociativeOperatorParser(atom(), [TokenType.DOT], atom(), lambda left, op, right: Operation(left, op, right, op.pos), name="chain")
+
+def factor():
+    return Parser.leftAssociativeOperatorParser(chain(), [TokenType.DOUBLE_ASTERISK], chain(), lambda left, op, right: Operation(left, op, right, op.pos), name="factor")
+
+def term():
+    return Parser.leftAssociativeOperatorParser(factor(), [TokenType.ASTERISK, TokenType.SLASH], factor(), lambda left, op, right: Operation(left, op, right, op.pos), name="term")
+
+def expr():
+    return Parser.leftAssociativeOperatorParser(term(), [TokenType.PLUS, TokenType.MINUS], term(), lambda left, op, right: Operation(left, op, right, op.pos), name="expr")
+#
+def evaluate(node):
+    if type(node) == Atom:
+        return node.value
+    lhs = evaluate(node.left)
+    rhs = evaluate(node.right)
+    return {
+        "+": int(lhs) + int(rhs),
+        "*": int(lhs) * int(rhs),
+        "-": int(lhs) - int(rhs),
+        "/": int(lhs) / int(rhs),
+        "**": int(lhs) ** int(rhs)
+    }[node.operator.value]
+
+def draft():
+
+    tokens = tokenize(['"fesf fe" + "fsefsef" + "fsefs"'])
+    e = expr()
+    node = e(tokens).node
+    node.print()

smnp/cli/parser.py

@@ -0,0 +1,23 @@
+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()

smnp/environment/environment.py

@@ -1,17 +1,19 @@
 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
+from smnp.runtime.evaluators.function import BodyEvaluator, Return
+from smnp.type.model import Type
 
 
 class Environment():
-    def __init__(self, scopes, functions, methods):
+    def __init__(self, scopes, functions, methods, source):
         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)
@@ -38,10 +40,15 @@ 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({argName: argValue for argName, argValue in zip(method.arguments, list(signatureCheckresult[1:]))})
+                    self.scopes.append(method.defaultArgs)
+                    self.scopes[-1].update({argName: argValue for argName, argValue in zip(method.arguments, list(signatureCheckresult[1:]))})
                     self.scopes[-1][method.alias] = object
                     self.callStack.append(CallStackItem(name))
-                    result = BodyEvaluator.evaluate(method.body, self).value  # TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
+                    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
                     self.callStack.pop(-1)
                     self.scopes.pop(-1)
                     return (True, result)
@@ -74,20 +81,27 @@ class Environment():
             if function.name == name:
                 signatureCheckresult = function.signature.check(args)
                 if signatureCheckresult[0]:
-                    self.scopes.append({ argName: argValue for argName, argValue in zip(function.arguments, list(signatureCheckresult[1:])) })
+                    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.callStack.append(CallStackItem(name))
-                    result = BodyEvaluator.evaluate(function.body, self).value #TODO check if it isn't necessary to verify 'result' attr of EvaluatioNResult
+                    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
                     self.callStack.pop(-1)
-                    self.scopes.pop(-1)
+                    self.popScope(mergeVariables=False)
+                    self.removeScopesAfter(appendedScopeIndex)
                     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):
+    def addCustomFunction(self, name, signature, arguments, body, defaultArguments):
         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))
+        self.customFunctions.append(CustomFunction(name, signature, arguments, body, defaultArguments))
 
     # TODO:
     # There is still problem with checking existing of generic types, like lists:
@@ -98,14 +112,14 @@ 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):
+    def addCustomMethod(self, typeSignature, alias, name, signature, arguments, body, defaultArguments):
         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))
+        self.customMethods.append(CustomMethod(typeSignature, alias, name, signature, arguments, body, defaultArguments))
 
     def findVariable(self, name, type=None, pos=None):
         for scope in reversed(self.scopes):
@@ -128,6 +142,20 @@ 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) ]))
 
@@ -162,22 +190,23 @@ class Environment():
 class CallStackItem:
     def __init__(self, function):
         self.function = function
-        self.value = None
 
 
 class CustomFunction:
-    def __init__(self, name, signature, arguments, body):
+    def __init__(self, name, signature, arguments, body, defaultArgs):
         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):
+    def __init__(self, typeSignature, alias, name, signature, arguments, body, defaultArgs):
         self.typeSignature = typeSignature
         self.alias = alias
         self.name = name
         self.signature = signature
         self.arguments = arguments
         self.body = body
+        self.defaultArgs = defaultArgs

smnp/environment/factory.py

@@ -1,7 +1,3 @@
-from smnp.environment.environment import Environment
-from smnp.module import functions, methods
-
-
 def createEnvironment():
-    return Environment([{}], functions, methods)
+    return
  

smnp/error/base.py

@@ -2,6 +2,7 @@ class SmnpException(Exception):
     def __init__(self, msg, pos):
         self.msg = msg
         self.pos = pos
+        self.file = None
 
     def _title(self):
         pass
@@ -10,7 +11,10 @@ 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}]"
+        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}"
 
     def message(self):
-        return f"{self._title()}{self._position()}:\n{self.msg}\n{self._postMessage()}"
+        return f"{self._title()}\n{self._file()} {self._position()}\n\n{self.msg}\n{self._postMessage()}"

smnp/error/custom.py

@@ -0,0 +1,12 @@
+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 ""

smnp/function/signature.py

@@ -12,6 +12,9 @@ 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)
 
@@ -38,7 +41,7 @@ def doesNotMatchVararg(basicSignature):
 
 def signature(*signature):
     def check(args):
-        if len(signature) != len(args):
+        if len(args) > len(signature) or len(args) < len([ matcher for matcher in signature if not matcher.optional ]):
             return doesNotMatch(signature)
 
         for s, a in zip(signature, args):
@@ -52,6 +55,12 @@ 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])
 

smnp/library/code/main.mus

@@ -0,0 +1,492 @@
+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);
+    }
+}

smnp/library/loader.py

@@ -5,7 +5,5 @@ from smnp.program.interpreter import Interpreter
 
 def loadStandardLibrary():
     mainSource = resource_string('smnp.library.code', 'main.mus').decode("utf-8")
-    boolSource = resource_string('smnp.library.code', 'bool.mus').decode("utf-8")
-    env = Interpreter.interpretString(mainSource)
-    return Interpreter.interpretString(boolSource, baseEnvironment=env)
-
+    env = Interpreter.interpretString(mainSource, "<stdlib>")
+    return env

smnp/main.py

@@ -1,17 +1,38 @@
-import sys
-
+from smnp.cli.parser import CliParser
 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>')
+
+
 def main():
     try:
-        stdLibraryEnv = loadStandardLibrary()
-        Interpreter.interpretFile(sys.argv[1], printTokens=False, printAst=True, baseEnvironment=stdLibraryEnv)
+        parser = CliParser()
+        args = parser.parse()
+
+        if args.mic:
+            nd = NoiseDetector()
+            nd.test()
+
+        for code in args.code:
+            interpretString(args, code)
+
+        for file in args.file:
+            interpretFile(args, file)
 
     except SmnpException as e:
         print(e.message())
 
     except KeyboardInterrupt:
         print("Program interrupted")
+

smnp/module/__init__.py

@@ -1,4 +1,4 @@
-from smnp.module import system, mic, note, iterable, sound, synth, string, util
+from smnp.module import system, mic, note, iterable, sound, synth, string, util, integer, float
 
-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 ]
+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 ]

smnp/module/float/__init__.py

@@ -0,0 +1,4 @@
+from smnp.module.float.function import float
+
+functions = [ float.function ]
+methods = []

smnp/module/float/function/float.py

@@ -0,0 +1,26 @@
+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),
+)

smnp/module/integer/__init__.py

@@ -0,0 +1,4 @@
+from smnp.module.integer.function import integer
+
+functions = [ integer.function ]
+methods = []

smnp/module/integer/function/integer.py

@@ -0,0 +1,25 @@
+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),
+)

smnp/module/iterable/__init__.py

@@ -1,4 +1,4 @@
-from smnp.module.iterable.function import combine, flat, map, range, get
+from smnp.module.iterable.function import map, get
 
-functions = [ combine.function, flat.function, map.function, range.function ]
+functions = [ map.function ]
 methods = [ get.function ]

smnp/module/iterable/function/combine.py

@@ -1,18 +0,0 @@
-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')
-

smnp/module/iterable/function/flat.py

@@ -1,23 +0,0 @@
-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')

smnp/module/iterable/function/range.py

@@ -1,36 +0,0 @@
-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),
-)

smnp/module/note/__init__.py

@@ -1,4 +1,4 @@
-from smnp.module.note.function import tuplet, transpose, semitones, octave, duration, interval
+from smnp.module.note.function import note
 
-functions = [ semitones.function, interval.function, transpose.function, tuplet.function ]
-methods = [ duration.function, octave.function ]
+functions = [ note.function ]
+methods = []

smnp/module/note/function/duration.py

@@ -1,11 +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 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')