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|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
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|
||||||
|
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||||||
|
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||||||
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||||||
|
dependencies = [
|
||||||
|
"malloc_buf",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "once_cell_polyfill"
|
||||||
|
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|
||||||
|
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||||||
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|
|
||||||
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[[package]]
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||||||
|
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||||||
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||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"crc32fast",
|
||||||
|
"fdeflate",
|
||||||
|
"flate2",
|
||||||
|
"miniz_oxide",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "portable-atomic"
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "portable-atomic-util"
|
||||||
|
version = "0.2.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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|
||||||
|
dependencies = [
|
||||||
|
"portable-atomic",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
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|
||||||
|
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||||||
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||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quad-rand"
|
||||||
|
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||||||
|
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||||||
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||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.42"
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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex"
|
||||||
|
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|
||||||
|
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||||||
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||||||
|
dependencies = [
|
||||||
|
"aho-corasick",
|
||||||
|
"memchr",
|
||||||
|
"regex-automata",
|
||||||
|
"regex-syntax",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex-automata"
|
||||||
|
version = "0.4.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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||||||
|
dependencies = [
|
||||||
|
"aho-corasick",
|
||||||
|
"memchr",
|
||||||
|
"regex-syntax",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex-syntax"
|
||||||
|
version = "0.8.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_core"
|
||||||
|
version = "1.0.228"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
|
||||||
|
dependencies = [
|
||||||
|
"serde_derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_derive"
|
||||||
|
version = "1.0.228"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
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||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simd-adler32"
|
||||||
|
version = "0.3.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
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||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.111"
|
||||||
|
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|
||||||
|
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||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.69"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
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|
||||||
|
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||||||
|
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||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ttf-parser"
|
||||||
|
version = "0.21.1"
|
||||||
|
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|
||||||
|
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|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8parse"
|
||||||
|
version = "0.2.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||||
|
|
||||||
|
[[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"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-link"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.61.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
|
||||||
|
dependencies = [
|
||||||
|
"windows-link",
|
||||||
|
]
|
||||||
27
Cargo.toml
Normal file
27
Cargo.toml
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
[package]
|
||||||
|
name = "ayin-lang"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2024"
|
||||||
|
authors = ["alloca <me@alloca.space>"]
|
||||||
|
description = "Programming language for live-coding games"
|
||||||
|
license = "Apache-2.0"
|
||||||
|
readme = "readme.md"
|
||||||
|
default-run = "ayin"
|
||||||
|
|
||||||
|
[lib]
|
||||||
|
name = "ayin"
|
||||||
|
path = "src/lib.rs"
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "ayin"
|
||||||
|
path = "src/main.rs"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
thiserror = "1"
|
||||||
|
env_logger = "0.11.8"
|
||||||
|
log = "0.4.27"
|
||||||
|
macroquad = "0.4.14"
|
||||||
|
|
||||||
|
[workspace.lints.clippy]
|
||||||
|
all = { level = "warn", priority = -1 }
|
||||||
|
pedantic = { level = "warn", priority = -1 }
|
||||||
202
LICENSE
Normal file
202
LICENSE
Normal file
|
|
@ -0,0 +1,202 @@
|
||||||
|
|
||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
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"License" shall mean the terms and conditions for use, reproduction,
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"Legal Entity" shall mean the union of the acting entity and all
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control with that entity. For the purposes of this definition,
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|
"control" means (i) the power, direct or indirect, to cause the
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||||||
|
direction or management of such entity, whether by contract or
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|
otherwise, or (ii) ownership of fifty percent (50%) or more of the
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"You" (or "Your") shall mean an individual or Legal Entity
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"Work" shall mean the work of authorship, whether in Source or
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||||||
|
within such NOTICE file, excluding those notices that do not
|
||||||
|
pertain to any part of the Derivative Works, in at least one
|
||||||
|
of the following places: within a NOTICE text file distributed
|
||||||
|
as part of the Derivative Works; within the Source form or
|
||||||
|
documentation, if provided along with the Derivative Works; or,
|
||||||
|
within a display generated by the Derivative Works, if and
|
||||||
|
wherever such third-party notices normally appear. The contents
|
||||||
|
of the NOTICE file are for informational purposes only and
|
||||||
|
do not modify the License. You may add Your own attribution
|
||||||
|
notices within Derivative Works that You distribute, alongside
|
||||||
|
or as an addendum to the NOTICE text from the Work, provided
|
||||||
|
that such additional attribution notices cannot be construed
|
||||||
|
as modifying the License.
|
||||||
|
|
||||||
|
You may add Your own copyright statement to Your modifications and
|
||||||
|
may provide additional or different license terms and conditions
|
||||||
|
for use, reproduction, or distribution of Your modifications, or
|
||||||
|
for any such Derivative Works as a whole, provided Your use,
|
||||||
|
reproduction, and distribution of the Work otherwise complies with
|
||||||
|
the conditions stated in this License.
|
||||||
|
|
||||||
|
5. Submission of Contributions. Unless You explicitly state otherwise,
|
||||||
|
any Contribution intentionally submitted for inclusion in the Work
|
||||||
|
by You to the Licensor shall be under the terms and conditions of
|
||||||
|
this License, without any additional terms or conditions.
|
||||||
|
Notwithstanding the above, nothing herein shall supersede or modify
|
||||||
|
the terms of any separate license agreement you may have executed
|
||||||
|
with Licensor regarding such Contributions.
|
||||||
|
|
||||||
|
6. Trademarks. This License does not grant permission to use the trade
|
||||||
|
names, trademarks, service marks, or product names of the Licensor,
|
||||||
|
except as required for reasonable and customary use in describing the
|
||||||
|
origin of the Work and reproducing the content of the NOTICE file.
|
||||||
|
|
||||||
|
7. Disclaimer of Warranty. Unless required by applicable law or
|
||||||
|
agreed to in writing, Licensor provides the Work (and each
|
||||||
|
Contributor provides its Contributions) on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
||||||
|
implied, including, without limitation, any warranties or conditions
|
||||||
|
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
|
||||||
|
PARTICULAR PURPOSE. You are solely responsible for determining the
|
||||||
|
appropriateness of using or redistributing the Work and assume any
|
||||||
|
risks associated with Your exercise of permissions under this License.
|
||||||
|
|
||||||
|
8. Limitation of Liability. In no event and under no legal theory,
|
||||||
|
whether in tort (including negligence), contract, or otherwise,
|
||||||
|
unless required by applicable law (such as deliberate and grossly
|
||||||
|
negligent acts) or agreed to in writing, shall any Contributor be
|
||||||
|
liable to You for damages, including any direct, indirect, special,
|
||||||
|
incidental, or consequential damages of any character arising as a
|
||||||
|
result of this License or out of the use or inability to use the
|
||||||
|
Work (including but not limited to damages for loss of goodwill,
|
||||||
|
work stoppage, computer failure or malfunction, or any and all
|
||||||
|
other commercial damages or losses), even if such Contributor
|
||||||
|
has been advised of the possibility of such damages.
|
||||||
|
|
||||||
|
9. Accepting Warranty or Additional Liability. While redistributing
|
||||||
|
the Work or Derivative Works thereof, You may choose to offer,
|
||||||
|
and charge a fee for, acceptance of support, warranty, indemnity,
|
||||||
|
or other liability obligations and/or rights consistent with this
|
||||||
|
License. However, in accepting such obligations, You may act only
|
||||||
|
on Your own behalf and on Your sole responsibility, not on behalf
|
||||||
|
of any other Contributor, and only if You agree to indemnify,
|
||||||
|
defend, and hold each Contributor harmless for any liability
|
||||||
|
incurred by, or claims asserted against, such Contributor by reason
|
||||||
|
of your accepting any such warranty or additional liability.
|
||||||
|
|
||||||
|
END OF TERMS AND CONDITIONS
|
||||||
|
|
||||||
|
APPENDIX: How to apply the Apache License to your work.
|
||||||
|
|
||||||
|
To apply the Apache License to your work, attach the following
|
||||||
|
boilerplate notice, with the fields enclosed by brackets "[]"
|
||||||
|
replaced with your own identifying information. (Don't include
|
||||||
|
the brackets!) The text should be enclosed in the appropriate
|
||||||
|
comment syntax for the file format. We also recommend that a
|
||||||
|
file or class name and description of purpose be included on the
|
||||||
|
same "printed page" as the copyright notice for easier
|
||||||
|
identification within third-party archives.
|
||||||
|
|
||||||
|
Copyright 2025 alloca
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
11
Makefile
Normal file
11
Makefile
Normal file
|
|
@ -0,0 +1,11 @@
|
||||||
|
.PHONY: watch
|
||||||
|
watch:
|
||||||
|
cargo watch --clear -x 'clippy' -x 'test --all'
|
||||||
|
|
||||||
|
.PHONY: run
|
||||||
|
run:
|
||||||
|
cargo run
|
||||||
|
|
||||||
|
.PHONY: wasm
|
||||||
|
wasm:
|
||||||
|
cargo build --target wasm32-unknown-unknown
|
||||||
BIN
assets/fonts/monogram.ttf
Normal file
BIN
assets/fonts/monogram.ttf
Normal file
Binary file not shown.
48
readme.md
Normal file
48
readme.md
Normal file
|
|
@ -0,0 +1,48 @@
|
||||||
|
Ayin
|
||||||
|
----
|
||||||
|
|
||||||
|
|
||||||
|
- Tiny, procedural, gamedev
|
||||||
|
- only user input is controller input
|
||||||
|
- Live code reload
|
||||||
|
- int, float, string, char, bool, key
|
||||||
|
- arrays and maps
|
||||||
|
- variables and functions
|
||||||
|
- if, loop, continue, break, return
|
||||||
|
- function call
|
||||||
|
- first class functions
|
||||||
|
|
||||||
|
```
|
||||||
|
fn init() {
|
||||||
|
return {
|
||||||
|
player: { position: { x: 10, y: 20 }, },
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn update(state, events) {
|
||||||
|
return state';
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw(frame, state) {
|
||||||
|
frame.clear(0,0,0);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn migrate(state) {
|
||||||
|
return { player: { pos: state.player.position } },
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
- dynamic software updating could occur every frame
|
||||||
|
- user might be required to migrate the state (migrate function is hashed and only applied on updates when it is changed)
|
||||||
|
|
||||||
|
## Build instructions
|
||||||
|
|
||||||
|
### WASM
|
||||||
|
|
||||||
|
```
|
||||||
|
rustup target add wasm32-unknown-unknown
|
||||||
|
```
|
||||||
|
|
||||||
|
```
|
||||||
|
make wasm
|
||||||
|
```
|
||||||
1
rustfmt.toml
Normal file
1
rustfmt.toml
Normal file
|
|
@ -0,0 +1 @@
|
||||||
|
edition = "2024"
|
||||||
47
src/ast/helpers.rs
Normal file
47
src/ast/helpers.rs
Normal file
|
|
@ -0,0 +1,47 @@
|
||||||
|
use super::types::*;
|
||||||
|
|
||||||
|
pub fn name(str: &str) -> Name {
|
||||||
|
Name(str.into())
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn label(str: &str) -> Label {
|
||||||
|
Label(str.into())
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn var(str: &str) -> Expr {
|
||||||
|
Expr::Var(name(str))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn record(rec: Vec<(&str, Value)>) -> Value {
|
||||||
|
Value::Record(Record({
|
||||||
|
rec.into_iter()
|
||||||
|
.map(|(lbl, val)| (Label(lbl.into()), val))
|
||||||
|
.collect()
|
||||||
|
}))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn record_expr(rec: Vec<(&str, Value)>) -> Expr {
|
||||||
|
Expr::Value(record(rec))
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn assign(name: &str, expr: Expr) -> Statement {
|
||||||
|
Statement::Assign {
|
||||||
|
name: name.into(),
|
||||||
|
expr,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn stmt_expr(expr: Expr) -> Statement {
|
||||||
|
Statement::Expr(expr)
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn define_expr(name: &str, expr: Expr) -> Definition {
|
||||||
|
Definition::Expr {
|
||||||
|
name: name.into(),
|
||||||
|
expr,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn func(func: Fn) -> Expr {
|
||||||
|
Expr::Func(Box::new(func))
|
||||||
|
}
|
||||||
6
src/ast/mod.rs
Normal file
6
src/ast/mod.rs
Normal file
|
|
@ -0,0 +1,6 @@
|
||||||
|
//! Ast definition for Ayin.
|
||||||
|
|
||||||
|
pub mod helpers;
|
||||||
|
mod types;
|
||||||
|
|
||||||
|
pub use types::*;
|
||||||
232
src/ast/types.rs
Normal file
232
src/ast/types.rs
Normal file
|
|
@ -0,0 +1,232 @@
|
||||||
|
//! Ast definition for Ayin.
|
||||||
|
|
||||||
|
use std::collections::BTreeMap;
|
||||||
|
|
||||||
|
/// An expression.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub enum Expr {
|
||||||
|
Value(Value),
|
||||||
|
Var(Name),
|
||||||
|
Access {
|
||||||
|
expr: Box<Expr>,
|
||||||
|
field: Label,
|
||||||
|
},
|
||||||
|
MethodCall {
|
||||||
|
expr: Box<Expr>,
|
||||||
|
method: MethodName,
|
||||||
|
args: Vec<Expr>,
|
||||||
|
},
|
||||||
|
Func(Box<Fn>),
|
||||||
|
FunCall {
|
||||||
|
func: Box<Expr>,
|
||||||
|
args: Vec<Expr>,
|
||||||
|
},
|
||||||
|
Block(Vec<Statement>),
|
||||||
|
If {
|
||||||
|
condition: Box<Expr>,
|
||||||
|
then: Box<Expr>,
|
||||||
|
r#else: Box<Expr>,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A statement.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub enum Statement {
|
||||||
|
Expr(Expr),
|
||||||
|
Assign { name: Name, expr: Expr },
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A reduced value.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub enum Value {
|
||||||
|
Int(i64),
|
||||||
|
Float(f64),
|
||||||
|
String(String),
|
||||||
|
Boolean(bool),
|
||||||
|
Record(Record),
|
||||||
|
Closure { func: Box<Fn>, env: EnvName },
|
||||||
|
Deferred { expr: Box<Expr>, env: EnvName },
|
||||||
|
}
|
||||||
|
|
||||||
|
/// An anonymous function.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub struct Fn {
|
||||||
|
pub args: Vec<Arg>,
|
||||||
|
pub body: Expr,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A function argument.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub struct Arg {
|
||||||
|
pub name: Name,
|
||||||
|
pub r#type: Type,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A type.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub enum Type {
|
||||||
|
Named(TypeName),
|
||||||
|
App { typefun: Name, args: Vec<Type> },
|
||||||
|
}
|
||||||
|
|
||||||
|
/// A symbol.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub struct Name(pub String);
|
||||||
|
|
||||||
|
/// A type name.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub struct TypeName(pub String);
|
||||||
|
|
||||||
|
/// A method name.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub struct MethodName(pub String);
|
||||||
|
|
||||||
|
/// A field.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub struct Label(pub String);
|
||||||
|
|
||||||
|
/// A reference to the environment.
|
||||||
|
#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone)]
|
||||||
|
pub struct EnvName(pub String);
|
||||||
|
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug, Clone)]
|
||||||
|
pub struct Record(pub BTreeMap<Label, Value>);
|
||||||
|
|
||||||
|
/// A Program.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug)]
|
||||||
|
pub struct Program(pub Vec<Definition>);
|
||||||
|
|
||||||
|
/// A definition.
|
||||||
|
#[derive(PartialEq, PartialOrd, Debug)]
|
||||||
|
pub enum Definition {
|
||||||
|
Function { name: Name, func: Fn },
|
||||||
|
Expr { name: Name, expr: Expr },
|
||||||
|
}
|
||||||
|
|
||||||
|
// ----- //
|
||||||
|
// Impls //
|
||||||
|
// ----- //
|
||||||
|
|
||||||
|
impl Definition {
|
||||||
|
pub fn name(&self) -> &Name {
|
||||||
|
match self {
|
||||||
|
Definition::Function { name, .. } => name,
|
||||||
|
Definition::Expr { name, .. } => name,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<&str> for Name {
|
||||||
|
fn from(value: &str) -> Name {
|
||||||
|
Name(value.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<&str> for TypeName {
|
||||||
|
fn from(value: &str) -> TypeName {
|
||||||
|
TypeName(value.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<&str> for MethodName {
|
||||||
|
fn from(value: &str) -> MethodName {
|
||||||
|
MethodName(value.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<&str> for Label {
|
||||||
|
fn from(value: &str) -> Label {
|
||||||
|
Label(value.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<&str> for Expr {
|
||||||
|
fn from(value: &str) -> Expr {
|
||||||
|
Expr::Var(value.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<Vec<(&str, Value)>> for Value {
|
||||||
|
fn from(rec: Vec<(&str, Value)>) -> Value {
|
||||||
|
Value::Record(Record({
|
||||||
|
rec.into_iter()
|
||||||
|
.map(|(lbl, val)| (Label(lbl.into()), val))
|
||||||
|
.collect()
|
||||||
|
}))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<Vec<(&str, Value)>> for Expr {
|
||||||
|
fn from(rec: Vec<(&str, Value)>) -> Expr {
|
||||||
|
Expr::Value(rec.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Expr {
|
||||||
|
pub fn get_type(&self) -> &Type {
|
||||||
|
todo!()
|
||||||
|
}
|
||||||
|
pub fn field(self, label: &str) -> Expr {
|
||||||
|
Expr::Access {
|
||||||
|
expr: Box::new(self),
|
||||||
|
field: label.into(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
pub fn call(self, args: Vec<Expr>) -> Expr {
|
||||||
|
Expr::FunCall {
|
||||||
|
func: Box::new(self),
|
||||||
|
args,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<i64> for Value {
|
||||||
|
fn from(i: i64) -> Value {
|
||||||
|
Value::Int(i)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<i64> for Expr {
|
||||||
|
fn from(i: i64) -> Expr {
|
||||||
|
Expr::Value(i.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<bool> for Value {
|
||||||
|
fn from(b: bool) -> Value {
|
||||||
|
Value::Boolean(b)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<bool> for Expr {
|
||||||
|
fn from(b: bool) -> Expr {
|
||||||
|
Expr::Value(b.into())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<Vec<Definition>> for Program {
|
||||||
|
fn from(defs: Vec<Definition>) -> Program {
|
||||||
|
Program(defs)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<Vec<Statement>> for Expr {
|
||||||
|
fn from(stmts: Vec<Statement>) -> Expr {
|
||||||
|
Expr::Block(stmts)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Record {
|
||||||
|
pub fn get(&self, label: &Label) -> Result<&Value, Error> {
|
||||||
|
match self.0.get(label) {
|
||||||
|
Some(v) => Ok(v),
|
||||||
|
None => Err(Error::LabelNotFound(label.clone())),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, thiserror::Error)]
|
||||||
|
pub enum Error {
|
||||||
|
#[error("Label not found: {0:?}")]
|
||||||
|
LabelNotFound(Label),
|
||||||
|
}
|
||||||
313
src/interpret/mod.rs
Normal file
313
src/interpret/mod.rs
Normal file
|
|
@ -0,0 +1,313 @@
|
||||||
|
//! Interpreter for Z.
|
||||||
|
|
||||||
|
pub mod types;
|
||||||
|
|
||||||
|
use types::*;
|
||||||
|
|
||||||
|
use crate::ast;
|
||||||
|
|
||||||
|
pub fn run(program: ast::Program) -> Result<ast::Value, Error> {
|
||||||
|
let env_name = ast::EnvName("global".to_string());
|
||||||
|
let mut state = State::new("global".into());
|
||||||
|
|
||||||
|
defs_to_env(program.0, &env_name, &mut state.envs)?;
|
||||||
|
|
||||||
|
let main = ast::Expr::Value(state.envs.get(&env_name)?.get(&"main".into())?.clone());
|
||||||
|
|
||||||
|
let env: Env = state.envs.get(&env_name)?.clone();
|
||||||
|
let result = eval_expr(&env, &mut state, &main)?;
|
||||||
|
println!("{:?}", result);
|
||||||
|
|
||||||
|
Ok(result)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn eval_statement(
|
||||||
|
expr_env: &mut Env,
|
||||||
|
state: &mut State,
|
||||||
|
statement: &ast::Statement,
|
||||||
|
) -> Result<ast::Value, Error> {
|
||||||
|
match statement {
|
||||||
|
ast::Statement::Expr(expr) => eval_expr(expr_env, state, expr),
|
||||||
|
ast::Statement::Assign { name, expr } => {
|
||||||
|
let result = eval_expr(expr_env, state, expr)?;
|
||||||
|
expr_env.insert(name.clone(), result.clone());
|
||||||
|
Ok(result)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn eval_expr(expr_env: &Env, state: &mut State, expr: &ast::Expr) -> Result<ast::Value, Error> {
|
||||||
|
match expr {
|
||||||
|
ast::Expr::If {
|
||||||
|
condition,
|
||||||
|
then,
|
||||||
|
r#else,
|
||||||
|
} => match eval_expr(expr_env, state, condition)? {
|
||||||
|
ast::Value::Boolean(condition) => {
|
||||||
|
if condition {
|
||||||
|
eval_expr(expr_env, state, then)
|
||||||
|
} else {
|
||||||
|
eval_expr(expr_env, state, r#else)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
v => Err(Error::NotABoolean(v)),
|
||||||
|
},
|
||||||
|
ast::Expr::Func(func) => {
|
||||||
|
let env_name = state.generate_env(expr_env.clone())?;
|
||||||
|
Ok(ast::Value::Closure {
|
||||||
|
func: func.clone(),
|
||||||
|
env: env_name,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
ast::Expr::Block(statements) => {
|
||||||
|
let mut block_env = expr_env.clone();
|
||||||
|
if let Some(last) = statements.iter().try_fold(None, |_, statement| {
|
||||||
|
let result = eval_statement(&mut block_env, state, statement)?;
|
||||||
|
Ok::<Option<ast::Value>, Error>(Some(result))
|
||||||
|
})? {
|
||||||
|
Ok(last)
|
||||||
|
} else {
|
||||||
|
Err(Error::LastStatementNotAnExpr)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
ast::Expr::Access { expr, field } => match eval_expr(expr_env, state, expr)? {
|
||||||
|
ast::Value::Record(record) => eval_expr(
|
||||||
|
expr_env,
|
||||||
|
state,
|
||||||
|
&ast::Expr::Value(record.get(field).map_err(Error::from)?.clone()),
|
||||||
|
),
|
||||||
|
v => Err(Error::NotARecord(v)),
|
||||||
|
},
|
||||||
|
ast::Expr::Var(var) => {
|
||||||
|
let value = expr_env.get(var)?.clone();
|
||||||
|
eval_expr(expr_env, state, &ast::Expr::Value(value))
|
||||||
|
}
|
||||||
|
ast::Expr::MethodCall { expr, method, args } => {
|
||||||
|
let r#type = expr.get_type();
|
||||||
|
let method = state.method_env.get(r#type, method)?;
|
||||||
|
match eval_expr(expr_env, state, &ast::helpers::func(method.clone()))? {
|
||||||
|
ast::Value::Closure { func, env } => {
|
||||||
|
let mut closure_env: Env = state.envs.get(&env)?.clone();
|
||||||
|
|
||||||
|
if func.args.len() != args.len() + 1 {
|
||||||
|
Err(Error::ArgumentsMismatch)?;
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut args = args.clone();
|
||||||
|
args.push(*expr.clone());
|
||||||
|
|
||||||
|
for (arg, e) in func.args.into_iter().zip(args.iter()) {
|
||||||
|
let evalled = eval_expr(&closure_env, state, e)?;
|
||||||
|
closure_env.0.insert(arg.name, evalled);
|
||||||
|
}
|
||||||
|
eval_expr(&closure_env, state, &func.body)
|
||||||
|
}
|
||||||
|
v => Err(Error::NotAFunction(v)),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
ast::Expr::FunCall { func, args } => match eval_expr(expr_env, state, func)? {
|
||||||
|
ast::Value::Closure { func, env } => {
|
||||||
|
let mut closure_env: Env = state.envs.get(&env)?.clone();
|
||||||
|
|
||||||
|
if func.args.len() != args.len() {
|
||||||
|
Err(Error::ArgumentsMismatch)?;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (arg, e) in func.args.into_iter().zip(args.iter()) {
|
||||||
|
let evalled = eval_expr(&closure_env, state, e)?;
|
||||||
|
closure_env.0.insert(arg.name, evalled);
|
||||||
|
}
|
||||||
|
eval_expr(&closure_env, state, &func.body)
|
||||||
|
}
|
||||||
|
v => Err(Error::NotAFunction(v)),
|
||||||
|
},
|
||||||
|
ast::Expr::Value(v) => match v {
|
||||||
|
ast::Value::Deferred { expr, env } => {
|
||||||
|
let closure_env: Env = state.envs.get(env)?.clone();
|
||||||
|
eval_expr(&closure_env, state, expr)
|
||||||
|
}
|
||||||
|
_ => Ok(v.clone()),
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn defs_to_env(
|
||||||
|
defs: Vec<ast::Definition>,
|
||||||
|
env_name: &ast::EnvName,
|
||||||
|
envs: &mut Envs,
|
||||||
|
) -> Result<(), Error> {
|
||||||
|
let mut env = Env::new();
|
||||||
|
|
||||||
|
for def in defs {
|
||||||
|
let (name, closure) = match def {
|
||||||
|
ast::Definition::Function { func, name } => (
|
||||||
|
name,
|
||||||
|
ast::Value::Closure {
|
||||||
|
func: Box::new(func),
|
||||||
|
env: env_name.clone(),
|
||||||
|
},
|
||||||
|
),
|
||||||
|
ast::Definition::Expr { expr, name } => (
|
||||||
|
name,
|
||||||
|
ast::Value::Deferred {
|
||||||
|
expr: Box::new(expr.clone()),
|
||||||
|
env: env_name.clone(),
|
||||||
|
},
|
||||||
|
),
|
||||||
|
};
|
||||||
|
env.insert_nodup(&name, closure)?;
|
||||||
|
}
|
||||||
|
|
||||||
|
envs.0.insert(env_name.clone(), env);
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
use crate::ast::helpers;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn main_0() {
|
||||||
|
let program = vec![helpers::define_expr("main", 0.into())].into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
#[test]
|
||||||
|
fn var_lookup() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "lit".into()),
|
||||||
|
helpers::define_expr("lit", 0.into()),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
#[test]
|
||||||
|
fn var_assign_and_lookup() {
|
||||||
|
let program = vec![helpers::define_expr(
|
||||||
|
"main",
|
||||||
|
vec![
|
||||||
|
helpers::assign("zero", 0.into()),
|
||||||
|
helpers::stmt_expr("zero".into()),
|
||||||
|
]
|
||||||
|
.into(),
|
||||||
|
)]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn field_access() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "record".into()),
|
||||||
|
helpers::define_expr(
|
||||||
|
"record",
|
||||||
|
ast::Expr::from(vec![("my_field", 0.into())]).field("my_field"),
|
||||||
|
),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn fun_call() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "zero".into()),
|
||||||
|
helpers::define_expr(
|
||||||
|
"zero",
|
||||||
|
helpers::func(ast::Fn {
|
||||||
|
args: vec![],
|
||||||
|
body: 0.into(),
|
||||||
|
})
|
||||||
|
.call(vec![]),
|
||||||
|
),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn if_then_else() {
|
||||||
|
let program = vec![helpers::define_expr(
|
||||||
|
"main",
|
||||||
|
ast::Expr::If {
|
||||||
|
condition: Box::new(false.into()),
|
||||||
|
then: Box::new(0.into()),
|
||||||
|
r#else: Box::new(ast::Expr::If {
|
||||||
|
condition: Box::new(true.into()),
|
||||||
|
then: Box::new(1.into()),
|
||||||
|
r#else: Box::new(2.into()),
|
||||||
|
}),
|
||||||
|
},
|
||||||
|
)]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(1.into()));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn fun_call_args() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "zero".into()),
|
||||||
|
helpers::define_expr(
|
||||||
|
"zero",
|
||||||
|
helpers::func(ast::Fn {
|
||||||
|
args: vec![
|
||||||
|
ast::Arg {
|
||||||
|
name: "a".into(),
|
||||||
|
r#type: ast::Type::Named("i64".into()),
|
||||||
|
},
|
||||||
|
ast::Arg {
|
||||||
|
name: "b".into(),
|
||||||
|
r#type: ast::Type::Named("i64".into()),
|
||||||
|
},
|
||||||
|
],
|
||||||
|
body: "b".into(),
|
||||||
|
})
|
||||||
|
.call(vec![1.into(), 0.into()]),
|
||||||
|
),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Ok(0.into()));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Errors
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn duplicate_toplevel_defs() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "record".into()),
|
||||||
|
helpers::define_expr("main", 0.into()),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Err(Error::DuplicateNames("main".into())));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn field_access_not_a_record() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "record".into()),
|
||||||
|
helpers::define_expr("record", ast::Expr::from(0).field("my_field")),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Err(Error::NotARecord(0.into())));
|
||||||
|
}
|
||||||
|
#[test]
|
||||||
|
fn fun_call_not_a_function() {
|
||||||
|
let program = vec![
|
||||||
|
helpers::define_expr("main", "zero".into()),
|
||||||
|
helpers::define_expr("zero", ast::Expr::from(0).call(vec![1.into()])),
|
||||||
|
]
|
||||||
|
.into();
|
||||||
|
let result = run(program);
|
||||||
|
assert_eq!(result, Err(Error::NotAFunction(0.into())));
|
||||||
|
}
|
||||||
|
}
|
||||||
168
src/interpret/types.rs
Normal file
168
src/interpret/types.rs
Normal file
|
|
@ -0,0 +1,168 @@
|
||||||
|
//! Types used in the interpreter.
|
||||||
|
|
||||||
|
use crate::ast;
|
||||||
|
use std::collections::BTreeMap;
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, thiserror::Error)]
|
||||||
|
pub enum Error {
|
||||||
|
#[error("Closure generation failed. Duplicate env names: {0:?}")]
|
||||||
|
DuplicateEnvNames(ast::EnvName),
|
||||||
|
#[error("Duplicate names: {0:?}")]
|
||||||
|
DuplicateNames(ast::Name),
|
||||||
|
#[error("Duplicate method names: {0:?}")]
|
||||||
|
DuplicateMethodNames(ast::MethodName),
|
||||||
|
#[error("Name not found: {0:?}")]
|
||||||
|
NameNotFound(ast::Name),
|
||||||
|
#[error("Type not found: {0:?}")]
|
||||||
|
TypeNotFound(ast::Type),
|
||||||
|
#[error("Method name not found: {0:?}")]
|
||||||
|
MethodNameNotFound(ast::MethodName),
|
||||||
|
#[error("Field not found: {0:?}")]
|
||||||
|
FieldNotFound(ast::Label),
|
||||||
|
#[error("Env not found: {0:?}")]
|
||||||
|
EnvNotFound(ast::EnvName),
|
||||||
|
#[error("Last statement is not an expression")]
|
||||||
|
LastStatementNotAnExpr,
|
||||||
|
#[error("Not a function {0:?}")]
|
||||||
|
NotAFunction(ast::Value),
|
||||||
|
#[error("Not a record {0:?}")]
|
||||||
|
NotARecord(ast::Value),
|
||||||
|
#[error("Not a boolean {0:?}")]
|
||||||
|
NotABoolean(ast::Value),
|
||||||
|
#[error("Arguments mismatch")]
|
||||||
|
ArgumentsMismatch,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<ast::Error> for Error {
|
||||||
|
fn from(error: ast::Error) -> Error {
|
||||||
|
match error {
|
||||||
|
ast::Error::LabelNotFound(l) => Error::FieldNotFound(l),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, Clone)]
|
||||||
|
struct Namer {
|
||||||
|
counter: u64,
|
||||||
|
}
|
||||||
|
impl Namer {
|
||||||
|
fn new() -> Namer {
|
||||||
|
Namer { counter: 0 }
|
||||||
|
}
|
||||||
|
pub fn next(&mut self) -> u64 {
|
||||||
|
self.counter += 1;
|
||||||
|
self.counter
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct State {
|
||||||
|
pub name: String,
|
||||||
|
namer: Namer,
|
||||||
|
pub envs: Envs,
|
||||||
|
pub method_env: MethodEnv,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl State {
|
||||||
|
pub fn new(name: String) -> State {
|
||||||
|
State {
|
||||||
|
name,
|
||||||
|
namer: Namer::new(),
|
||||||
|
envs: Envs(BTreeMap::new()),
|
||||||
|
method_env: MethodEnv::new(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
pub fn generate_env(&mut self, env: Env) -> Result<ast::EnvName, Error> {
|
||||||
|
let env_name = ast::EnvName(format!("{}_{}", self.name, self.namer.next()));
|
||||||
|
self.envs.insert(&env_name, env)?;
|
||||||
|
Ok(env_name)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, Clone)]
|
||||||
|
pub struct Env(pub BTreeMap<ast::Name, ast::Value>);
|
||||||
|
impl Default for Env {
|
||||||
|
fn default() -> Env {
|
||||||
|
Env::new()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
impl Env {
|
||||||
|
pub fn new() -> Env {
|
||||||
|
Env(BTreeMap::new())
|
||||||
|
}
|
||||||
|
pub fn get(&self, name: &ast::Name) -> Result<&ast::Value, Error> {
|
||||||
|
self.0.get(name).ok_or(Error::NameNotFound(name.clone()))
|
||||||
|
}
|
||||||
|
pub fn insert(&mut self, name: ast::Name, value: ast::Value) {
|
||||||
|
self.0.insert(name.clone(), value);
|
||||||
|
}
|
||||||
|
pub fn insert_nodup(&mut self, name: &ast::Name, value: ast::Value) -> Result<(), Error> {
|
||||||
|
if self.0.insert(name.clone(), value).is_some() {
|
||||||
|
Err(Error::DuplicateNames(name.clone()))
|
||||||
|
} else {
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, Clone)]
|
||||||
|
pub struct MethodEnv(pub BTreeMap<ast::Type, BTreeMap<ast::MethodName, ast::Fn>>);
|
||||||
|
|
||||||
|
impl MethodEnv {
|
||||||
|
pub fn new() -> MethodEnv {
|
||||||
|
MethodEnv(BTreeMap::new())
|
||||||
|
}
|
||||||
|
pub fn get(
|
||||||
|
&self,
|
||||||
|
r#type: &ast::Type,
|
||||||
|
method_name: &ast::MethodName,
|
||||||
|
) -> Result<&ast::Fn, Error> {
|
||||||
|
self.0
|
||||||
|
.get(r#type)
|
||||||
|
.ok_or(Error::TypeNotFound(r#type.clone()))?
|
||||||
|
.get(method_name)
|
||||||
|
.ok_or(Error::MethodNameNotFound(method_name.clone()))
|
||||||
|
}
|
||||||
|
// todo: check for dups
|
||||||
|
pub fn insert(
|
||||||
|
&mut self,
|
||||||
|
r#type: ast::Type,
|
||||||
|
method_name: ast::MethodName,
|
||||||
|
func: ast::Fn,
|
||||||
|
) -> Result<(), Error> {
|
||||||
|
self.0
|
||||||
|
.entry(r#type.clone())
|
||||||
|
.and_modify(|map| {
|
||||||
|
map.insert(method_name.clone(), func.clone());
|
||||||
|
})
|
||||||
|
.or_insert({
|
||||||
|
let mut map = BTreeMap::new();
|
||||||
|
map.insert(method_name.clone(), func);
|
||||||
|
map
|
||||||
|
});
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for MethodEnv {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self::new()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(PartialEq, Debug, Clone)]
|
||||||
|
pub struct Envs(pub BTreeMap<ast::EnvName, Env>);
|
||||||
|
|
||||||
|
impl Envs {
|
||||||
|
pub fn get(&self, env_name: &ast::EnvName) -> Result<&Env, Error> {
|
||||||
|
self.0
|
||||||
|
.get(env_name)
|
||||||
|
.ok_or(Error::EnvNotFound(env_name.clone()))
|
||||||
|
}
|
||||||
|
pub fn insert(&mut self, name: &ast::EnvName, env: Env) -> Result<(), Error> {
|
||||||
|
if self.0.insert(name.clone(), env).is_some() {
|
||||||
|
Err(Error::DuplicateEnvNames(name.clone()))
|
||||||
|
} else {
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
3
src/lib.rs
Normal file
3
src/lib.rs
Normal file
|
|
@ -0,0 +1,3 @@
|
||||||
|
pub mod ast;
|
||||||
|
pub mod interpret;
|
||||||
|
pub mod runtime;
|
||||||
27
src/main.rs
Normal file
27
src/main.rs
Normal file
|
|
@ -0,0 +1,27 @@
|
||||||
|
use ayin::runtime::*;
|
||||||
|
use macroquad::prelude::*;
|
||||||
|
|
||||||
|
fn window_conf() -> Conf {
|
||||||
|
Conf {
|
||||||
|
window_title: "Ayin".to_owned(),
|
||||||
|
fullscreen: false,
|
||||||
|
window_width: SCREEN_WIDTH,
|
||||||
|
window_height: SCREEN_HEIGHT,
|
||||||
|
..Default::default()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[macroquad::main(window_conf)]
|
||||||
|
async fn main() {
|
||||||
|
env_logger::init();
|
||||||
|
info!("Hello, 👁️🗨️!");
|
||||||
|
|
||||||
|
let mut state = setup().await;
|
||||||
|
|
||||||
|
loop {
|
||||||
|
let events = fetch_events();
|
||||||
|
update(&mut state, events);
|
||||||
|
draw(&state);
|
||||||
|
next_frame().await;
|
||||||
|
}
|
||||||
|
}
|
||||||
5
src/runtime/mod.rs
Normal file
5
src/runtime/mod.rs
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
pub mod runtime;
|
||||||
|
pub use runtime::*;
|
||||||
|
|
||||||
|
pub mod types;
|
||||||
|
pub use types::*;
|
||||||
32
src/runtime/runtime.rs
Normal file
32
src/runtime/runtime.rs
Normal file
|
|
@ -0,0 +1,32 @@
|
||||||
|
use super::types::*;
|
||||||
|
use macroquad::prelude::*;
|
||||||
|
|
||||||
|
pub async fn setup() -> State {
|
||||||
|
let font = load_ttf_font("./assets/fonts/monogram.ttf").await.unwrap();
|
||||||
|
|
||||||
|
State {
|
||||||
|
assets: Assets { font },
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn update(_state: &mut State, events: Events) {}
|
||||||
|
|
||||||
|
pub fn fetch_events() -> Events {
|
||||||
|
Events(vec![])
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn draw(state: &State) {
|
||||||
|
clear_background(Color::from_hex(0x081829));
|
||||||
|
|
||||||
|
set_default_camera();
|
||||||
|
let (w, h) = (SCREEN_WIDTH as f32 / 2., 400.0);
|
||||||
|
|
||||||
|
set_camera(&Camera2D {
|
||||||
|
zoom: vec2(2.2 / w, 2.2 / h),
|
||||||
|
target: Vec2 { x: w / 2.2, y: 0.0 },
|
||||||
|
viewport: Some((0, 0, w as i32, h as i32)),
|
||||||
|
..Default::default()
|
||||||
|
});
|
||||||
|
|
||||||
|
set_default_camera();
|
||||||
|
}
|
||||||
19
src/runtime/types.rs
Normal file
19
src/runtime/types.rs
Normal file
|
|
@ -0,0 +1,19 @@
|
||||||
|
use crate::ast;
|
||||||
|
use macroquad::prelude::*;
|
||||||
|
|
||||||
|
pub struct State {
|
||||||
|
pub assets: Assets,
|
||||||
|
code: ast::Program,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Assets {
|
||||||
|
pub font: Font,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Event {}
|
||||||
|
pub struct Events(pub Vec<Event>);
|
||||||
|
|
||||||
|
pub const SCALE: i32 = 4;
|
||||||
|
|
||||||
|
pub const SCREEN_WIDTH: i32 = 360 * SCALE;
|
||||||
|
pub const SCREEN_HEIGHT: i32 = 360 * SCALE;
|
||||||
Loading…
Add table
Reference in a new issue