Remove lwb generated files

.gitignore

@@ -1 +1,3 @@
 /target
+src/sunflower/*
+!src/sunflower/.gitkeep

Cargo.lock

@@ -2,6 +2,71 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9ecd88a8c8378ca913a680cd98f0f13ac67383d35993f86c90a70e3f137816b"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "backtrace"
+version = "0.3.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab84319d616cfb654d03394f38ab7e6f0919e181b1b57e1fd15e7fb4077d9a7"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -23,6 +88,12 @@ dependencies = [
  "byte-tools",
 ]
 
+[[package]]
+name = "by_address"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e245704f60eb4eb45810d65cf14eb54d2eb50a6f3715fe2d7cd01ee905c2944f"
+
 [[package]]
 name = "byte-tools"
 version = "0.3.1"
@@ -35,6 +106,56 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "cc"
+version = "1.0.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
+[[package]]
+name = "convert_case"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
+
+[[package]]
+name = "convert_case"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb4a24b1aaf0fd0ce8b45161144d6f42cd91677fd5940fd431183eb023b3a2b8"
+
+[[package]]
+name = "derive_more"
+version = "0.99.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
+dependencies = [
+ "convert_case 0.4.0",
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "syn",
+]
+
 [[package]]
 name = "digest"
 version = "0.8.1"
@@ -50,6 +171,32 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "140206b78fb2bc3edbcfc9b5ccbd0b30699cfe8d348b8b31b330e47df5291a5a"
 
+[[package]]
+name = "either"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f107b87b6afc2a64fd13cac55fe06d6c8859f12d4b14cbcdd2c67d0976781be"
+
+[[package]]
+name = "enum-iterator"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eeac5c5edb79e4e39fe8439ef35207780a11f69c52cbe424ce3dfad4cb78de6"
+dependencies = [
+ "enum-iterator-derive",
+]
+
+[[package]]
+name = "enum-iterator-derive"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c134c37760b27a871ba422106eedbb8247da973a09e82558bf26d619c882b159"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
@@ -65,18 +212,168 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.26.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "is_ci"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "616cde7c720bb2bb5824a224687d8f77bfd38922027f01d825cd7453be5099fb"
+
+[[package]]
+name = "itertools"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.126"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+
+[[package]]
+name = "lwb-parser"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2979cd39b4c303b9943535680650d59a1b940212e69ad26b97e3e675cc6f308d"
+dependencies = [
+ "bincode",
+ "by_address",
+ "chrono",
+ "convert_case 0.5.0",
+ "derive_more",
+ "enum-iterator",
+ "itertools",
+ "lazy_static",
+ "miette",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "thiserror",
+ "toml",
+ "typed-arena",
+]
+
 [[package]]
 name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "miette"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd2adcfcced5d625bf90a958a82ae5b93231f57f3df1383fee28c9b5096d35ed"
+dependencies = [
+ "atty",
+ "backtrace",
+ "miette-derive",
+ "once_cell",
+ "owo-colors",
+ "supports-color",
+ "supports-hyperlinks",
+ "supports-unicode",
+ "terminal_size",
+ "textwrap",
+ "thiserror",
+]
+
+[[package]]
+name = "miette-derive"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c01a8b61312d367ce87956bb686731f87e4c6dd5dbc550e8f06e3c24fb1f67f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f5c75688da582b8ffc1f1799e9db273f32133c49e048f614d22ec3256773ccc"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "object"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21158b2c33aa6d4561f1c0a6ea283ca92bc54802a93b263e910746d679a7eb53"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+
 [[package]]
 name = "opaque-debug"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "owo-colors"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "decf7381921fea4dcb2549c5667eda59b3ec297ab7e2b5fc33eac69d2e7da87b"
+
 [[package]]
 name = "pest"
 version = "2.1.3"
@@ -138,6 +435,64 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver",
+]
+
+[[package]]
+name = "semver"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2333e6df6d6598f2b1974829f853c2b4c5f4a6e503c10af918081aa6f8564e1"
+
+[[package]]
+name = "serde"
+version = "1.0.138"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1578c6245786b9d168c5447eeacfb96856573ca56c9d68fdcf394be134882a47"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.138"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "023e9b1467aef8a10fb88f25611870ada9800ef7e22afce356bb0d2387b6f27c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "sha-1"
 version = "0.8.2"
@@ -150,15 +505,50 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "smawk"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f67ad224767faa3c7d8b6d91985b78e70a1324408abcb1cfcc2be4c06bc06043"
+
 [[package]]
 name = "sunflower"
 version = "0.1.0"
 dependencies = [
  "dyn-clone",
+ "lwb-parser",
  "pest",
  "pest_derive",
 ]
 
+[[package]]
+name = "supports-color"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4872ced36b91d47bae8a214a683fe54e7078875b399dfa251df346c9b547d1f9"
+dependencies = [
+ "atty",
+ "is_ci",
+]
+
+[[package]]
+name = "supports-hyperlinks"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "590b34f7c5f01ecc9d78dba4b3f445f31df750a67621cf31626f3b7441ce6406"
+dependencies = [
+ "atty",
+]
+
+[[package]]
+name = "supports-unicode"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8b945e45b417b125a8ec51f1b7df2f8df7920367700d1f98aedd21e5735f8b2"
+dependencies = [
+ "atty",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.98"
@@ -170,6 +560,73 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
+dependencies = [
+ "smawk",
+ "unicode-linebreak",
+ "unicode-width",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi",
+ "winapi",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "typed-arena"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0685c84d5d54d1c26f7d3eb96cd41550adb97baed141a761cf335d3d33bcd0ae"
+
 [[package]]
 name = "typenum"
 version = "1.15.0"
@@ -178,12 +635,55 @@ checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 
 [[package]]
 name = "ucd-trie"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
+checksum = "89570599c4fe5585de2b388aab47e99f7fa4e9238a1399f707a02e356058141c"
 
 [[package]]
 name = "unicode-ident"
 version = "1.0.1"
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 checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
+
+[[package]]
+name = "unicode-linebreak"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a52dcaab0c48d931f7cc8ef826fa51690a08e1ea55117ef26f89864f532383f"
+dependencies = [
+ "regex",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
+
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

Cargo.toml

@@ -2,11 +2,16 @@
 name = "sunflower"
 version = "0.1.0"
 edition = "2021"
+build = "src/build.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 dyn-clone = "1.0.6"
+lwb-parser = "0.1.3"
 
 pest = "2.1.3"
 pest_derive = "2.1.0"
+
+[build-dependencies]
+lwb-parser = "0.1.3"

lwb.toml

@@ -0,0 +1,9 @@
+
+[syntax]
+definition = "src/sunflower.syntax"
+destination = "src/sunflower"
+serde = true
+
+[language]
+name = "Sunflower"
+extensions = ["sunflower", "sfl"]

src/build.rs

@@ -0,0 +1,6 @@
+use lwb_parser::codegen::manager::Codegen;
+
+fn main() {
+    let m = Codegen::new();
+    m.codegen();
+}

src/main.rs

@@ -1,10 +1,9 @@
-use std::{
+use std::{any::Any, fs::read_to_string};
-    any::Any,
-    fs::read_to_string,
-};
 
 use env::Env;
+use expression::Expression;
 use function::FunctionMap;
+use lwb_parser::{codegen_prelude::AstInfo, language::Language, sources::source_file::SourceFile};
 use statement::Statement;
 use value::{custom::CustomValue, Value};
 
@@ -18,6 +17,10 @@ mod value;
 // mod parser;
 mod pest_parser;
 
+#[rustfmt::skip]
+mod sunflower;
+lwb_parser::language!(SFL at mod sunflower);
+
 fn run(functions: &FunctionMap, statement: &Statement) {
     let env = Env::new();
     statement.eval(&env, functions);
@@ -69,16 +72,120 @@ impl CustomValue for Foo {
 }
 
 fn main() {
-    let f = read_to_string("./test.foo").unwrap();
+    // let f = read_to_string("./test.foo").unwrap();
-    let (res, funcs) = pest_parser::parse(&f);
+    // let (res, funcs) = pest_parser::parse(&f);
     let mut m = FunctionMap::new();
-    m.insert_holder(funcs);
+    // m.insert_holder(funcs);
-    m.insert_native("print", |a: &Value| {
+    // m.insert_native("print", |a: &Value| {
-        println!("{}", a);
+    //     println!("{}", a);
-    });
+    // });
-    m.insert_native("waluigi", || "Waluigi");
+    // m.insert_native("waluigi", || "Waluigi");
-    m.insert_native("native_test", || Foo { x: 41 });
+    // m.insert_native("native_test", || Foo { x: 41 });
-    m.insert_native("other_foo", || Foo { x: 1 });
+    // m.insert_native("other_foo", || Foo { x: 1 });
 
-    run(&m, &res);
+    // run(&m, &res);
+    let res = SFL::try_parse(&SourceFile::new(
+        "
+    10 / 2 + 3 * 4;
+    ",
+        "based.sfl",
+    ))
+    .unwrap();
+    // println!("{:?}", res);
+    for r in res.1 {
+        if let sunflower::Statement::Expression(_, e) = r {
+            println!("{}", e.eval())
+        }
+    }
+    // for r in res.1 {
+    //     r.eval(&Env::new(), &m)
+    // }
+}
+
+impl<M: AstInfo> sunflower::Expression<M> {
+    fn eval(&self) -> Value {
+        self.1.eval()
+    }
+}
+
+impl<M: AstInfo> sunflower::Equality<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::Equality::Equal(_, lhs, rhs) => (lhs.eval() == rhs.eval()).into(),
+            sunflower::Equality::NotEqual(_, rhs, lhs) => (lhs.eval() != rhs.eval()).into(),
+            sunflower::Equality::Inequality(_, all) => all.eval(),
+        }
+    }
+}
+
+impl<M: AstInfo> sunflower::Inequality<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::Inequality::LessThan(_, lhs, rhs) => (lhs.eval() < rhs.eval()).into(),
+            sunflower::Inequality::LessThanOrEqual(_, lhs, rhs) => {
+                (lhs.eval() <= rhs.eval()).into()
+            }
+            sunflower::Inequality::GreaterThan(_, lhs, rhs) => (lhs.eval() > rhs.eval()).into(),
+            sunflower::Inequality::GreaterThanOrEqual(_, lhs, rhs) => {
+                (lhs.eval() >= rhs.eval()).into()
+            }
+            sunflower::Inequality::Plus(_, all) => all.eval(),
+        }
+    }
+}
+impl<M: AstInfo> sunflower::Plus<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::Plus::Plus(_, lhs, rhs) => {
+                println!("doing plus");
+                (lhs.eval() + rhs.eval()).into()
+            }
+            sunflower::Plus::Minus(_, lhs, rhs) => (lhs.eval() - rhs.eval()).into(),
+            sunflower::Plus::Times(_, all) => all.eval(),
+        }
+    }
+}
+
+impl<M: AstInfo> sunflower::Times<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::Times::Times(_, lhs, rhs) => {
+                println!("doing times");
+                (lhs.eval() * rhs.eval()).into()
+            }
+            sunflower::Times::Divide(_, lhs, rhs) => {
+                println!("doing divide");
+                (lhs.eval() / rhs.eval()).into()
+            }
+            sunflower::Times::Value(_, all) => all.eval(),
+        }
+    }
+}
+
+impl<M: AstInfo> sunflower::Value<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::Value::Const(_, c) => {
+                println!("doing const");
+                c.eval()
+            }
+            sunflower::Value::Call(_, _) => todo!(),
+            sunflower::Value::Identifier(_, _) => todo!(),
+            sunflower::Value::Parens(_, inner) => inner.eval(),
+        }
+    }
+}
+
+impl<M: AstInfo> sunflower::ConstValue<M> {
+    fn eval(&self) -> Value {
+        match self {
+            sunflower::ConstValue::Int(_, i) => i.1.parse::<i32>().unwrap().into(),
+            sunflower::ConstValue::Bool(_, b) => match b {
+                sunflower::Bool::True(_) => true.into(),
+                sunflower::Bool::False(_) => false.into(),
+            },
+            sunflower::ConstValue::String(_, _) => todo!(),
+            sunflower::ConstValue::Char(_, _) => todo!(),
+        }
+    }
 }

src/sunflower.syntax

@@ -0,0 +1,60 @@
+
+identifier = [A-Za-z_][A-Za-z0-9-_]*; {single-string, no-layout}
+
+string = "\"" [^\"]* "\""; {single-string, no-layout}
+
+char = "'" [^\'] "'"; {single-string, no-layout}
+
+int = [0-9]+; {single-string, no-layout}
+
+bool:
+    true = "true";
+    false = "false";
+
+const_value:
+    int = int;
+    bool = bool;
+    string = string;
+    char = char;
+
+call = identifier "(" delimited(expression, ",", *) ")";
+
+value:
+    const = const_value;
+    call = call;
+    identifier = identifier;
+    parens = "(" expression ")";
+
+equality:
+    equal = inequality "==" inequality;
+    not_equal = inequality "!=" inequality;
+    inequality = inequality;
+
+inequality:
+    less_than = plus "<" plus;
+    less_than_or_equal = plus "<=" plus;
+    greater_than = plus ">" plus;
+    greater_than_or_equal = plus ">=" plus;
+    plus = plus;
+
+expression:
+    equality = equality;
+
+plus:
+    plus = times "+" times;
+    minus = times "-" times;
+    times = times;
+
+times:
+    times = value "*" value;
+    divide = value "/" value;
+    value = value;
+
+statement:
+    expression = expression ";";
+    let = "let" identifier "=" expression ";";
+
+program = statement*;
+
+start at program;
+layout = [\r\n\t ];