From 0d5e533627dac4e81cd4dda91f141f5ed0db8b78 Mon Sep 17 00:00:00 2001
From: Federico Lolli <federico.lolli@skywarder.eu>
Date: Fri, 15 Mar 2024 01:41:42 +0100
Subject: [PATCH] Added WIP arpist-traject
---
on-host/arpist-traject/Cargo.toml | 7 +++
on-host/arpist-traject/grammar.txt | 26 ++++++++++
on-host/arpist-traject/src/main.rs | 15 ++++++
on-host/arpist-traject/src/tokens.rs | 73 ++++++++++++++++++++++++++++
on-host/arpist-traject/test.txt | 8 +++
5 files changed, 129 insertions(+)
create mode 100644 on-host/arpist-traject/Cargo.toml
create mode 100644 on-host/arpist-traject/grammar.txt
create mode 100644 on-host/arpist-traject/src/main.rs
create mode 100644 on-host/arpist-traject/src/tokens.rs
create mode 100644 on-host/arpist-traject/test.txt
diff --git a/on-host/arpist-traject/Cargo.toml b/on-host/arpist-traject/Cargo.toml
new file mode 100644
index 0000000..3771453
--- /dev/null
+++ b/on-host/arpist-traject/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "arpist-traject"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+logos = "0.14.0"
diff --git a/on-host/arpist-traject/grammar.txt b/on-host/arpist-traject/grammar.txt
new file mode 100644
index 0000000..99bd024
--- /dev/null
+++ b/on-host/arpist-traject/grammar.txt
@@ -0,0 +1,26 @@
+TRAJECTORY <- TIME_DEF (FILLER* GENERATOR PARAMETER+ FILLER* TIME_DEF)+
+
+TIME_DEF <- "@" SPACE+ "T" POS_NUM SPACE* NEWLINE
+GENERATOR <- "=" SPACE+ "[" GENERATOR_KIND "]" SPACE* NEWLINE
+PARAMETER <- "#" SPACE+ COORDINATE SPACE* ":" SPACE* EQUATION SPACE* NEWLINE
+FILLER <- "|" SPACE* NEWLINE
+
+GENERATOR_KIND <- "parametric"
+COORDINATE <- [xyz]
+
+EXPR <- SUM
+SUM <- PRODUCT (SPACE* (SUM_OP / SUB_OP) SPACE* PRODUCT)*
+PRODUCT <- POWER (SPACE* (PRODUCT_OP / DIV_OP) SPACE* POWER)*
+POWER <- VALUE (SPACE* POWER_OP SPACE* VALUE)*
+VALUE <- NUM / "(" EXPR ")"
+NUM <- POS_NUM / NEG_NUM
+NEG_NUM <- "-" NUM
+POS_NUM <- ("+")? [0-9]+ ("." [0-9]+)?
+
+SUM_OP <- "+"
+SUB_OP <- "-"
+PRODUCT_OP <- "*"
+POWER_OP <- "^"
+DIV_OP <- "/"
+NEWLINE <- [\n\r]
+SPACE <- [ \t]
diff --git a/on-host/arpist-traject/src/main.rs b/on-host/arpist-traject/src/main.rs
new file mode 100644
index 0000000..9818c45
--- /dev/null
+++ b/on-host/arpist-traject/src/main.rs
@@ -0,0 +1,15 @@
+mod tokens;
+
+use logos::Logos;
+
+use self::tokens::Token;
+
+fn main() {
+ let input = std::fs::read_to_string("test.txt").unwrap();
+ let lex = Token::lexer(&input);
+ let tokens = lex.spanned().collect::<Vec<_>>();
+ for token in &tokens {
+ println!("{:?}", token.0.as_ref().unwrap());
+ }
+ // dbg!(tokens);
+}
diff --git a/on-host/arpist-traject/src/tokens.rs b/on-host/arpist-traject/src/tokens.rs
new file mode 100644
index 0000000..2654f31
--- /dev/null
+++ b/on-host/arpist-traject/src/tokens.rs
@@ -0,0 +1,73 @@
+use logos::Logos;
+
+#[derive(Debug, PartialEq, Logos)]
+pub enum Token {
+ #[regex("[ \t]+")]
+ Spaces,
+
+ #[regex("[\n\r]")]
+ Newline,
+
+ #[regex("[0-9]+(\\.[0-9]+)?", |lex| lex.slice().parse().ok())]
+ Num(f64),
+
+ #[token("+")]
+ OpAdd,
+
+ #[token("-")]
+ OpSub,
+
+ #[token("*")]
+ OpMul,
+
+ #[token("/")]
+ OpDiv,
+
+ #[token("^")]
+ OpPow,
+
+ #[token("(")]
+ LParen,
+
+ #[token(")")]
+ RParen,
+
+ #[token("[")]
+ LBracket,
+
+ #[token("]")]
+ RBracket,
+
+ #[token("t")]
+ Time,
+
+ #[token("T")]
+ TimeRef,
+
+ #[token("x")]
+ PositionX,
+
+ #[token("y")]
+ PositionY,
+
+ #[token("z")]
+ PositionZ,
+
+ #[token(":")]
+ Colon,
+
+ #[token("parametric")]
+ ParametricGenerator,
+
+ #[token("|")]
+ FillerLine,
+
+ #[token("@")]
+ AtTimeLine,
+
+ #[token("=")]
+ GeneratorLine,
+
+ #[token("#")]
+ ParameterLine,
+}
diff --git a/on-host/arpist-traject/test.txt b/on-host/arpist-traject/test.txt
new file mode 100644
index 0000000..e95c6ef
--- /dev/null
+++ b/on-host/arpist-traject/test.txt
@@ -0,0 +1,8 @@
+@ T+0
+|
+= [parametric]
+# x: 0.03*t
+# y: 0.02*t
+# z: 3*t^2
+|
+@ T+10
--
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