Basic functionality of the crate is now present.

Cargo.toml

@@ -13,13 +13,7 @@ edition = "2021"
 [lib]
 bench = false
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-# build = "build.rs"
-#
-# [build-dependencies]
-# lalrpop = "0.19"
-# 
 [dependencies]
-serde = { version = "1.0", features = ["derive"] }
-syn = { version = "1.0", features = ["full"] }
-proc-macro2 = "1.0"
+sing_macros = { path = "./sing_macros", version = "0.1.0" }
+sing_parse = { path = "./sing_parse", version = "0.1.0" }
+sing_util = { path = "./sing_util", version = " 0.1.0" }

sing_macros/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "sing_derive"
+name = "sing_macros"
 version = "0.1.0"
 edition = "2021"
 

sing_macros/src/keyword.rs

@@ -2,3 +2,5 @@ use syn::custom_keyword;
 
 custom_keyword!(ioe);
 custom_keyword!(msg);
+custom_keyword!(equal);
+custom_keyword!(different);

sing_parse/Cargo.toml

@@ -17,3 +17,5 @@ syn = "1"
 regex = "1"
 lalrpop-util = "0.19"
 lalrpop = "0.19"
+sing_util = { path = "../sing_util" }
+serde = { version = "1.0", features = ["derive"] }

sing_parse/src/callobj.rs

@@ -1,5 +1,8 @@
 use std::fmt;
+use sing_util::TraitCallMessage;
+use serde::{Serialize, Deserialize};
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct CallObj {
 	 trait_string: Option<String>,
 	 fun_string: String,
@@ -18,6 +21,26 @@ impl CallObj {
 	 }
 }
 
+impl TraitCallMessage for CallObj {
+	 type Representation = String;
+
+	 fn get_fun_name(&self) -> String {
+		  self.fun_string.clone()
+	 }
+
+	 fn get_trait_name(&self) -> Option<String> {
+		  self.trait_string.clone()
+	 }
+
+	 fn get_params(&self) -> Vec<Self::Representation> {
+		  self.data.clone()
+	 }
+
+	 fn new_params(&mut self, p: Vec<Self::Representation>) {
+		  self.data = p;
+	 }
+}
+
 impl fmt::Display for CallObj {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 		  let mut repr = String::new();

sing_parse/src/fun_parser.lalrpop

@@ -13,10 +13,10 @@ Descriptor: (Option<String>, String, usize)  = {
 	 <t: (<Identifier> ">")?> <f:Identifier> => (t, f, usize::MAX),
 }
 
-Identifier: String = r"[A-Z][a-zA-Z]*" => <>.to_string();
+Identifier: String = r"[a-zA-Z]*" => <>.to_string();
 
 Index: usize = r"[1-9][0-9]*" => usize::from_str(<>).unwrap();
 
-Data: Vec<String> = Value+;
+Data: Vec<String> = Value*;
 
 Value: String = r" [0-9a-zA-Z]*" => (<>[1..<>.chars().count()]).to_string();

sing_parse/src/lib.rs

@@ -1,3 +1,7 @@
+use std::{error::Error};
+
+pub use callobj::CallObj;
+
 #[macro_use] extern crate lalrpop_util;
 extern crate lalrpop;
 
@@ -5,6 +9,15 @@ mod callobj;
 
 lalrpop_mod!(fun_parser);
 
+pub fn callobj_to_string(o: CallObj) -> Result<String, Box<dyn Error>> {
+	 Ok(o.to_string())
+}
+
+pub fn callobj_from_string(s: String) -> Result<CallObj, Box<dyn Error>> {
+	 // TODO: This should use a "?", but for some reason the error references s
+	 Ok(fun_parser::CallParser::new().parse(&s).unwrap())
+}
+
 #[cfg(test)]
 mod tests {
     use crate::fun_parser;

sing_util/src/lib.rs

@@ -3,10 +3,11 @@ use std::{error::Error, collections::HashMap};
 
 use proc_macro2::TokenStream;
 use serde::{Serialize, Deserialize};
-use serde_wrapper::TokenStreamWrapper;
+pub use serde_wrapper::TokenStreamWrapper;
 
 mod serde_wrapper;
 
+/// Represents a trait as Function names associated with tokenstreams.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct TraitProfile{
 	 functions: HashMap<String, TokenStreamWrapper>,
@@ -37,17 +38,23 @@ impl TraitProfile{
 	 }
 }
 
+/// Represents the state of a function name,
+/// with it either being only present once or existing multiple times.
 #[derive(Debug, Clone)]
 pub enum DeduplicatedFunctionProfile {
 	 Single(String, TokenStreamWrapper),
 	 Multiple(Vec<String>),
 }
 
+/// Needs to be implemented by all structs that are used as
+/// function calls that are sent through a sing I/O stream
 pub trait TraitCallMessage {
-	 fn get_fun_name() -> String;
-	 fn get_trait_name() -> String;
-	 fn get_params() -> Vec<String>;
-	 fn new_params(p: Vec<String>);
+	 type Representation;
+	 
+	 fn get_fun_name(&self) -> String;
+	 fn get_trait_name(&self) -> Option<String>;
+	 fn get_params(&self) -> Vec<Self::Representation>;
+	 fn new_params(&mut self, p: Vec<Self::Representation>);
 }
 
 #[cfg(test)]

sing_util/src/serde_wrapper.rs

@@ -1,8 +1,10 @@
-use std::{str::FromStr, fmt::{self, format}, error::Error};
+use std::{str::FromStr, error::Error};
 
 use proc_macro2::TokenStream;
-use serde::{Serialize, Serializer, Deserialize, Deserializer, de::{Visitor, self}};
+use serde::{Serialize, Deserialize};
 
+/// Wraps the proc_macro2 Tokenstream type,
+/// so it can be serialized and deserialized.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct TokenStreamWrapper(String);
 
@@ -14,62 +16,3 @@ impl TokenStreamWrapper {
 		  Ok(TokenStream::from_str(&self.0.clone())?)
 	 }
 }
-/*
-impl Serialize for TokenStreamWrapper {
-	 fn serialize<S>(&self, serializer: S) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
-	 where
-		  S: Serializer
-	 {
-		  let inner = &self.0;
-		  serializer.serialize_newtype_struct("Lifetime", &inner.to_string())
-	 }
-}
-
-impl<'de> Deserialize<'de> for TokenStreamWrapper {
-	 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>
-	 {
-		  let tok_str = deserializer.deserialize_string(TokenStreamVisitor)?;
-
-		  match TokenStream::from_str(tok_str.as_str()) {
-				Ok(t) => Ok(Self(t)),
-				Err(e) => Err(de::Error::custom(
-					 format!("string does not represent a valid TokenStream: {}", e)
-				))
-		  }
-	 }
-}
-
-struct TokenStreamVisitor;
-
-impl<'de> Visitor<'de> for TokenStreamVisitor {
-	 type Value = String;
-
-	 fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        formatter.write_str("A string representing a TokenStream")
-    }
-
-	 fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value.to_string())
-    }
-
-	 fn visit_borrowed_str<E>(self, value: &'de str) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value.to_string())
-    }
-	 
-	 fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value)
-    }
-	 
-}
-*/

src/lib.rs

@@ -1,70 +1,3 @@
-use core::fmt::Debug;
-
-use proc_macro2::TokenStream;
-use serde::{Serialize, Deserialize};
-use serde_wrapper::TokenStreamWrapper;
-
-mod serde_wrapper;
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-struct TraitProfile{
-	 //functions: HashMap<String, FunctionProfile>,
-	 functions: Vec<TokenStreamWrapper>,
-}	  
-
-impl TraitProfile{
-	 pub fn new(streams: Vec<TokenStream>) -> Self {
-		  let mut inner = vec!();
-
-		  for stream in streams {
-				inner.push(TokenStreamWrapper::new(stream));
-		  }
-
-		  Self{
-				functions: inner
-		  }
-	 }
-}
-
-#[derive(Debug, Clone)]
-enum DeduplicatedFunctionProfile {
-	 Single(String, TokenStreamWrapper),
-	 Multiple(Vec<String>, TokenStreamWrapper),
-}
-
-/*impl<T> Evaluator<T> {
-	 fn deduplicate_functions(&self) -> Self<T> {
-		  let mut self = self.clone();
-		  let mut functions: HashMap<String, DeduplicatedFunctionProfile>;
-
-		  for (t_name, t_profile) in self.traits {
-				for (fun_name, fun_profile) in t_profile.functions {
-					 if !functions.contains_key(fun_name) {
-						  self.functions.insert(fun_name, DeduplicatedFunctionProfile::Single(t_name, fun_profile))
-					 } else {
-						  let other = self.functions.remove(fun_name).unwrap();
-
-						  let traits: Vec<String>;
-						  match other {
-								DeduplicatedFunctionProfile::Single(t, _) => traits = vec!(t),
-								DeduplicatedFunctionProfile::Multiple(ts, _) => traits = ts,
-						  }
-
-						  self.functions.insert(fun_name, DeduplicatedFunctionProfile::Multiple(traits, fun_profile))
-					 }
-				}
-		  }
-	 }
-}
-*/
-
-#[cfg(test)]
-mod tests {
-
-	 #[test]
-    fn it_works() {
-        let result = 2 + 2;
-        assert_eq!(result, 4);
-    }
-
-}
+pub use sing_macros::*;
+pub use sing_parse::*;
+pub use sing_util::TraitCallMessage;

src/serde_wrapper.rs

@@ -1,71 +0,0 @@
-use std::{str::FromStr, fmt::{self, format}};
-
-use proc_macro2::TokenStream;
-use serde::{Serialize, Serializer, Deserialize, Deserializer, de::{Visitor, self}};
-
-#[derive(Debug, Clone)]
-pub struct TokenStreamWrapper(TokenStream);
-
-impl TokenStreamWrapper {
-	 pub fn new(stream: TokenStream) -> Self {
-		  Self(stream)
-	 }
-}
-
-impl Serialize for TokenStreamWrapper {
-	 fn serialize<S>(&self, serializer: S) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
-	 where
-		  S: Serializer
-	 {
-		  let inner = &self.0;
-		  serializer.serialize_newtype_struct("Lifetime", &inner.to_string())
-	 }
-}
-
-impl<'de> Deserialize<'de> for TokenStreamWrapper {
-	 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>
-	 {
-		  let tok_str = deserializer.deserialize_string(TokenStreamVisitor)?;
-
-		  match TokenStream::from_str(&tok_str.as_str()) {
-				Ok(t) => Ok(Self(t)),
-				Err(e) => Err(de::Error::custom(
-					 format!("string does not represent a valid TokenStream: {}", e)
-				))
-		  }
-	 }
-}
-
-struct TokenStreamVisitor;
-
-impl<'de> Visitor<'de> for TokenStreamVisitor {
-	 type Value = String;
-
-	 fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        formatter.write_str("A string representing a TokenStream")
-    }
-
-	 fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value.to_string())
-    }
-
-	 fn visit_borrowed_str<E>(self, value: &'de str) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value.to_string())
-    }
-	 
-	 fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        Ok(value)
-    }
-	 
-}