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3 commits

Author SHA1 Message Date
Natapat Samutpong 5754ecf641 @time() 2022-03-13 07:01:39 +07:00
Natapat Samutpong f67172b9a7 Update README.md 2022-03-13 06:47:31 +07:00
Natapat Samutpong 7be91158dc block comment 2022-03-13 06:46:50 +07:00
6 changed files with 41 additions and 9 deletions

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@ -7,7 +7,14 @@ fun main: int = do
return 69;
end;
```
or with the pipe operator:
```sml
fun main: int = do
"Hello, World!\n"
|> @write();
return 69;
end;
```
Note: Everything in this project can be changed at anytime! (I'm still finding out what work best for lots of thing) if you have an idea, feel free to create an issues about it, or even create a PR! (I'd be very happy)
# Prerequistie

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@ -2,10 +2,11 @@ use std::fmt::Display;
use hir::{IR, IRKind, Value};
const MODULE_INCLUDES: [&str; 3] = [
"\"hazure/io.hpp\"", // `read()` and `write()`
"<stdbool.h>", // bool type
"<string>", // string type
const MODULE_INCLUDES: [&str; 4] = [
"\"hazure/io.hpp\"",
"\"hazure/time.hpp\"",
"<stdbool.h>",
"<string>",
];
pub struct Codegen {
@ -63,7 +64,8 @@ impl Codegen {
IRKind::Intrinsic { name, args } => {
match name.as_str() {
"write" => { format!("hazure_write({}){}\n", self.gen_ir(&args[0], false), semicolon!()) },
"read" => { format!("hazure_read({}){}\n", self.gen_ir(&args[0], false), semicolon!()) },
"read" => { format!("hazure_read(){}\n", semicolon!()) },
"time" => { format!("hazure_get_time(){}\n", semicolon!()) },
_ => unreachable!(format!("Unknown intrinsic: {}", name)) // Shoul be handled by lowering
}
},

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@ -1,9 +1,10 @@
use std::ops::Range;
use parser::Expr;
const INTRINSICS: [&str; 2] = [
const INTRINSICS: [&str; 3] = [
"write",
"read",
"time",
];
#[derive(Debug)]

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@ -121,10 +121,19 @@ pub fn lexer() -> impl Parser<char, Vec<(Token, Span)>, Error = Simple<char>> {
.or(keyword)
.recover_with(skip_then_retry_until([]));
let comment = just("--").then(take_until(just('\n'))).padded();
// let comment = just("--").then(take_until(just('\n'))).padded();
let comment = just('-')
.then_ignore(just('{')
.ignore_then(none_of('}').ignored().repeated())
.then_ignore(just("}-"))
.or(none_of('\n').ignored().repeated())
)
.padded()
.ignored()
.repeated();
token
.padded_by(comment.repeated())
.padded_by(comment)
.map_with_span(|token, span| (token, span))
.padded()
.repeated()

4
example/time.hz Normal file
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@ -0,0 +1,4 @@
fun main: int = do
@time()
|> @write();
end;

9
lib/time.hpp Normal file
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@ -0,0 +1,9 @@
#pragma once
#include <ctime>
/*
* @brief Get time in seconds since the Epoch.
*/
int hazure_get_time() {
return std::time(0);
}