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3 Commits

Author SHA1 Message Date
Julius 6536c099e1
Remove lwb generated files 2022-07-08 12:23:08 +02:00
Julius bd19c832cf
Operator presedence works 🎉 2022-07-08 12:13:24 +02:00
Julius e03f3088d2
Try to get lwb-parser to work 2022-07-08 12:10:55 +02:00
8 changed files with 705 additions and 16 deletions

2
.gitignore vendored
View File

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

504
Cargo.lock generated
View File

@ -2,6 +2,71 @@
# It is not intended for manual editing.
version = 3
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"cfg-if",
"libc",
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"object",
"rustc-demangle",
]
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[[package]]
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@ -23,6 +88,12 @@ dependencies = [
"byte-tools",
]
[[package]]
name = "by_address"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -35,6 +106,56 @@ version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"quote",
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"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"
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dependencies = [
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]
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[[package]]
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@ -65,18 +212,168 @@ dependencies = [
"typenum",
]
[[package]]
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version = "0.26.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -138,6 +435,64 @@ dependencies = [
"proc-macro2",
]
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name = "regex"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -150,15 +505,50 @@ dependencies = [
"opaque-debug",
]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -170,6 +560,73 @@ dependencies = [
"unicode-ident",
]
[[package]]
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@ -178,12 +635,55 @@ checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
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View File

@ -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"

9
lwb.toml Normal file
View File

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

6
src/build.rs Normal file
View File

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

View File

@ -1,10 +1,9 @@
use std::{
any::Any,
fs::read_to_string,
};
use std::{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 (res, funcs) = pest_parser::parse(&f);
// let f = read_to_string("./test.foo").unwrap();
// let (res, funcs) = pest_parser::parse(&f);
let mut m = FunctionMap::new();
m.insert_holder(funcs);
m.insert_native("print", |a: &Value| {
println!("{}", a);
});
m.insert_native("waluigi", || "Waluigi");
m.insert_native("native_test", || Foo { x: 41 });
m.insert_native("other_foo", || Foo { x: 1 });
// m.insert_holder(funcs);
// m.insert_native("print", |a: &Value| {
// println!("{}", a);
// });
// m.insert_native("waluigi", || "Waluigi");
// m.insert_native("native_test", || Foo { x: 41 });
// 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!(),
}
}
}

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@ -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 ];

0
src/sunflower/.gitkeep Normal file
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