dev/src/idl/mod.rs

@@ -1,72 +1,66 @@
+pub mod protocol;
 mod parser;
-mod types;
-mod protocol;
 
-use crate::idl::{parser::parse, types::get_protocols};
 use std::io::Read;
 
-use logos::{Lexer, Logos, Skip};
+use self::parser::parse;
+
+use logos::Logos;
 
 #[derive(Logos, Debug, PartialEq, Clone)]
-#[logos(extras = (usize, usize))]
+#[logos(skip r"[ \t\n\f]+")] // Ignore this regex pattern between tokens
 enum Token {
-    #[regex("//[^\n]*", logos::skip)]
+    #[regex("//[^\n]*\n", logos::skip)]
-    Comment,
-
-    #[regex(r"[ \t\f]+", logos::skip)]
     Ignored,
 
-    #[regex(r"\n", newline_callback)]
+    // Tokens can be literal strings, of any length.
-    Newline,
+    #[token("protocol")]
+    Protocol,
 
     // Tokens can be literal strings, of any length.
-    #[token("protocol", get_token_position)]
+    #[token("type")]
-    Protocol((usize,usize)),
+    Type,
+    #[token("fn", priority = 5)]
+    Fn,
 
-    // Tokens can be literal strings, of any length.
+    #[token("enum")]
-    #[token("type", get_token_position)]
+    Enum,
-    Type((usize, usize)),
 
-    #[token("fn", priority = 5, callback = get_token_position)]
+    #[token("struct")]
-    Fn((usize, usize)),
+    Struct,
 
-    #[token("enum", get_token_position)]
+    #[token("{")]
-    Enum((usize, usize)),
+    LBrace,
 
-    #[token("struct", get_token_position)]
+    #[token("}")]
-    Struct((usize, usize)),
+    RBrace,
 
-    #[token("{", get_token_position)]
+    #[token("(")]
-    LBrace((usize, usize)),
+    LParen,
 
-    #[token("}", get_token_position)]
+    #[token(")")]
-    RBrace((usize, usize)),
+    RParen,
 
-    #[token("(", get_token_position)]
+    #[token(":")]
-    LParen((usize, usize)),
+    Colon,
 
-    #[token(")", get_token_position)]
+    #[token(";")]
-    RParen((usize, usize)),
+    SemiColon,
 
-    #[token(":", get_token_position)]
+    #[token(",")]
-    Colon((usize, usize)),
+    Comma,
 
-    #[token(";", get_token_position)]
+    #[token("=")]
-    SemiColon((usize, usize)),
+    Equal,
 
-    #[token(",", get_token_position)] Comma((usize, usize)),
+    #[token("->")]
+    RArrow,
 
-    #[token("=", get_token_position)]
+    #[regex("[a-zA-Z_][a-zA-Z_1234567890]+", |lex|{lex.slice().to_string()})]
-    Equal((usize, usize)),
+    Identifier(String),
 
-    #[token("->", get_token_position)]
+    #[regex("[1234567890]+", |lex|{lex.slice().parse::<u64>().unwrap()})]
-    RArrow((usize, usize)),
+    Number(u64),
-
-    #[regex("[a-zA-Z_][a-zA-Z_1234567890]+", |lex|{let text = lex.slice().to_string(); let (line, col) = get_token_position(lex); (line, col, text)})]
-    Identifier((usize, usize, String)),
-
-    #[regex("[1234567890]+", |lex|{let num = lex.slice().parse::<u64>().unwrap(); let (line, col) = get_token_position(lex); (line, col, num) })]
-    Number((usize, usize, u64)),
 
     #[regex(r"@[a-zA-Z_]+", /*|lex|{lex.slice().to_string()}*/ logos::skip)]
     Decorator,
@@ -82,16 +76,14 @@ pub fn build_idl(name: String) {
     for x in lex {
         match x {
             Ok(token) => {
+                println!("{:?}", token);
                 tokens.push(token);
             }
             Err(err) => println!("{:?}", err),
         }
     }
 
-    let protocols = get_protocols(parse(tokens));
+    println!("{:#?}", parse(tokens));
-    let data : Vec<u8> = vec![1, 5, 12, 12, 12, 12, 3, 28, 8, 28];
-    println!("{:#?}", &protocols);
-    protocols.validate("Foo", "bar" , data).unwrap();
 }
 
 fn open_protocol(name: String) -> String {
@@ -101,17 +93,3 @@ fn open_protocol(name: String) -> String {
     file.read_to_string(&mut contents).unwrap();
     contents
 }
-
-fn get_token_position(lex : &mut Lexer<Token>) -> (usize, usize) {
-    let line = lex.extras.0;
-    let column = lex.span().start - lex.extras.1;
-
-    (line, column + 1)
-}
-
-/// Update the line count and the char index.
-fn newline_callback(lex: &mut Lexer<Token>) -> Skip {
-    lex.extras.0 += 1;
-    lex.extras.1 = lex.span().end;
-    Skip
-}

dev/src/idl/parser.rs

@@ -2,70 +2,67 @@ use std::{iter::Peekable, slice::Iter};
 use super::Token;
 
 #[derive(Debug, Clone, PartialEq)]
-pub struct AST(pub Vec<Declaration>);
+pub struct AST(Vec<Declaration>);
 
 #[derive(Debug, Clone, PartialEq)]
-pub enum Declaration{
+enum Declaration{
     EnumDeclaration(EnumDeclaration),
     StructDeclaration(StructDeclaration),
     TypeDeclaration(TypeDeclaration),
     ProtocolDeclaration(ProtocolDeclaration),
 }
-
 #[derive(Debug, Clone, PartialEq)]
-pub struct StructDeclaration {
+struct StructDeclaration {
-    pub name : String,
+    name : String,
-    pub members : Vec<StructMember>,
+    members : Vec<StructMember>,
 }
 #[derive(Debug, Clone, PartialEq)]
-pub struct TypeDeclaration {
+struct TypeDeclaration {
-    pub name : String,
+    name : String,
-    pub type_name : String,
+    type_name : String,
 }
 #[derive(Debug, Clone, PartialEq)]
-pub struct StructMember {
+struct StructMember {
-    pub name : String,
+    name : String,
-    pub type_name : String,
+    type_name : String,
 }
 
 #[derive(Debug, Clone, PartialEq)]
-pub struct EnumDeclaration {
+struct EnumDeclaration {
-    pub name : String,
+    name : String,
-    pub members : Vec<EnumMember>,
+    members : Vec<EnumMember>,
 }
 #[derive(Debug, Clone, PartialEq)]
-pub struct EnumMember {
+struct EnumMember {
-    pub name : String,
+    name : String,
-    pub number: u64,
+    number: u64,
 }
 
 #[derive(Debug, Clone, PartialEq)]
-pub struct ProtocolDeclaration{
+struct ProtocolDeclaration{
-    pub name : String,
+    name : String,
-    pub interface : Vec<FuncDeclaration>,
+    interface : Vec<FuncDeclaration>,
 }
 
 #[derive(Debug, Clone, PartialEq)]
-pub struct FuncDeclaration {
+struct FuncDeclaration {
-    pub name : String,
+    name : String,
-    pub arg_list : Vec<String>,
+    arg_list : Vec<String>,
-    pub return_type : String,
+    return_type : String,
 }
 
-macro_rules! consume {
+
-    ($tokens:ident, $token_type:path) => { 
+/// Consume's a token that's expected. If the token that's consumed is not
-        let a = $tokens.next();
+/// the given expected token then panic
+fn consume(tokens : &mut Peekable<Iter<'_, Token>>, token : Token) {
+    let a = tokens.next();
     match a {
-            None => panic!("Expected {}, Got End Of Tokens", stringify!($token_type)),
+        None => panic!("Expected {:?}, Got End Of File", token),
-            Some(t) => {
+        Some(a) => if *a != token {
-                if matches!(t, $token_type(_)){}
+            panic!("Expected {:?}, Got {:?}", token, *a);
-                else {
-                    panic!("Expected {:?}, Got {:?}", stringify!($token_type), t);
         }
     }
 }
-    };
-}
 
 pub fn parse(tokens : Vec<Token>) -> AST{
     let mut tokens_iter = tokens.iter().peekable();
@@ -87,29 +84,29 @@ fn declaration(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<Declaration> {
     match tokens.peek(){
         None => None,
         Some(tok) => match tok {
-            Token::Enum(_)     => Some(enum_decl(tokens)),
+            Token::Enum => Some(enum_decl(tokens)),
-            Token::Struct(_)   => Some(struct_decl(tokens)),
+            Token::Struct => Some(struct_decl(tokens)),
-            Token::Type(_)     => Some(type_declaration(tokens)),
+            Token::Type => Some(type_declaration(tokens)),
-            Token::Protocol(_) => Some(protocol_declaration(tokens)),
+            Token::Protocol => Some(protocol_declaration(tokens)),
             _ => None,
         }
     }
 }
 
 fn enum_decl(tokens : &mut Peekable<Iter<'_, Token>>) -> Declaration {
-    consume!(tokens, Token::Enum);
+    consume(tokens, Token::Enum);
     let name = identifier(tokens).expect("Expected Identifier after `enum`");
-    consume!(tokens, Token::LBrace);
+    consume(tokens, Token::LBrace);
     let mut members = Vec::new();
 
     match tokens.peek().expect("Unexpected EOF after LBrace") {
-        Token::RBrace(_) => {}, // skip checking for enum_members if empty
+        Token::RBrace => {}, // skip checking for enum_members if empty
         _ => {
             enum_members(tokens, &mut members);
         },
     }
 
-    consume!(tokens, Token::RBrace);
+    consume(tokens, Token::RBrace);
 
     Declaration::EnumDeclaration(EnumDeclaration{name, members})
 }
@@ -118,8 +115,8 @@ fn enum_members(tokens : &mut Peekable<Iter<'_, Token>>, members: &mut Vec<EnumM
     members.push(enum_member(tokens).unwrap());
     loop {
         match tokens.peek().expect("Unexpected EOF inside enum declaration") {
-            Token::Comma(_) => {
+            Token::Comma => {
-                consume!(tokens, Token::Comma);
+                consume(tokens, Token::Comma);
                 if let Some(member) = enum_member(tokens) {
                     members.push(member);
                 } else {
@@ -134,7 +131,7 @@ fn enum_members(tokens : &mut Peekable<Iter<'_, Token>>, members: &mut Vec<EnumM
 fn enum_member(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<EnumMember> {
     let name = identifier(tokens);
     if let Some(name) = name {
-        consume!(tokens, Token::Equal);
+        consume(tokens, Token::Equal);
         let number = parse_number(tokens).expect("Expected Number after `=`");
         Some(EnumMember{name, number})
     } else {
@@ -143,19 +140,19 @@ fn enum_member(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<EnumMember> {
 }
 
 fn struct_decl(tokens : &mut Peekable<Iter<'_, Token>>) -> Declaration {
-    consume!(tokens, Token::Struct);
+    consume(tokens, Token::Struct);
     let name = identifier(tokens).expect("Expected Identifier after `struct`");
-    consume!(tokens, Token::LBrace);
+    consume(tokens, Token::LBrace);
     let mut members = Vec::new();
 
     match tokens.peek().expect("Unexpected EOF after LBrace") {
-        Token::RBrace(_) => {}, // skip checking for struct_members if empty
+        Token::RBrace => {}, // skip checking for struct_members if empty
         _ => {
             struct_members(tokens, &mut members);
         },
     }
 
-    consume!(tokens, Token::RBrace);
+    consume(tokens, Token::RBrace);
 
     Declaration::StructDeclaration(StructDeclaration{name, members})
 }
@@ -164,8 +161,8 @@ fn struct_members(tokens : &mut Peekable<Iter<'_, Token>>, members: &mut Vec<Str
     members.push(struct_member(tokens).unwrap());
     loop {
         match tokens.peek().expect("Unexpected EOF inside struct declaration") {
-            Token::Comma(_) => {
+            Token::Comma => {
-                consume!(tokens, Token::Comma);
+                consume(tokens, Token::Comma);
                 if let Some(member) = struct_member(tokens) {
                     members.push(member);
                 } else {
@@ -179,23 +176,23 @@ fn struct_members(tokens : &mut Peekable<Iter<'_, Token>>, members: &mut Vec<Str
 fn struct_member(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<StructMember> {
     let name = identifier(tokens);
     if let Some(name) = name {
-        consume!(tokens, Token::Colon);
+        consume(tokens, Token::Colon);
         let type_name = identifier(tokens).expect("Expected Type after Colon");
         Some(StructMember{name, type_name})
     } else {
         None
     }
-
 }
+
 fn type_declaration(tokens : &mut Peekable<Iter<'_, Token>>) -> Declaration {
-    consume!(tokens, Token::Type);
+    consume(tokens, Token::Type);
     let name = identifier(tokens).expect("Expected Identifier after `type`");
     let type_name = identifier(tokens).expect("Expected type after Identifier");
     Declaration::TypeDeclaration(TypeDeclaration{name, type_name})
 }
 fn identifier(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<String> {
     let result = tokens.peek().map_or(None, |x| match x {
-        Token::Identifier((_, _, s)) => {
+        Token::Identifier(s) => {
             Some(s.to_string())
             },
         _ => None
@@ -209,7 +206,7 @@ fn identifier(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<String> {
 }
 fn parse_number(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<u64> {
     let result = tokens.peek().map_or(None, |x| match x {
-        Token::Number((_, _, s)) => Some(*s),
+        Token::Number(s) => Some(*s),
         _ => None
     });
     if let Some(_) = result {
@@ -219,12 +216,12 @@ fn parse_number(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<u64> {
 }
 
 fn protocol_declaration(tokens : &mut Peekable<Iter<'_, Token>>) -> Declaration {
-    consume!(tokens, Token::Protocol);
+    consume(tokens, Token::Protocol);
     let name = identifier(tokens).expect("Expected Identifier after `protocol`");
-    consume!(tokens, Token::LBrace);
+    consume(tokens, Token::LBrace);
     let mut interface = Vec::new();
     match tokens.peek().expect("Unexpected EOF after LBrace") {
-        Token::RBrace(_) => {},
+        Token::RBrace => {},
         _ => {
             functions(tokens, &mut interface);
         },
@@ -242,13 +239,13 @@ fn functions(tokens : &mut Peekable<Iter<'_, Token>>, interface : &mut Vec<FuncD
 }
 
 fn function(tokens : &mut Peekable<Iter<'_, Token>>) -> Option<FuncDeclaration>{
-    if let Some(Token::Fn(_)) = tokens.peek() {
+    if let Some(Token::Fn) = tokens.peek() {
-        consume!(tokens, Token::Fn);
+        consume(tokens, Token::Fn);
         let name = identifier(tokens).expect("Expected Identifier after `fn`");
-        consume!(tokens, Token::LParen);
+        consume(tokens, Token::LParen);
         let arg_list = arg_list(tokens);
-        consume!(tokens, Token::RParen);
+        consume(tokens, Token::RParen);
-        consume!(tokens, Token::RArrow);
+        consume(tokens, Token::RArrow);
         let return_type = identifier(tokens).expect("Expected return type after `->");
         Some(FuncDeclaration{name, arg_list, return_type})
     } else {
@@ -263,8 +260,8 @@ fn arg_list(tokens : &mut Peekable<Iter<'_, Token>>) -> Vec<String> {
             None => break,
             Some(i) =>{
                 result.push(i);
-                if let Token::Comma(_) = **tokens.peek().expect("Unexpected EOF in argument list"){
+                if **tokens.peek().expect("Unexpected EOF in argument list") == Token::Comma{
-                    consume!(tokens, Token::Comma);
+                    consume(tokens, Token::Comma);
                     match tokens.peek().expect("Unexpected EOF in argument list") {
                         Token::Identifier(_) => {},
                         _ => panic!("Unexpected symbol after Comma in argument list"),

dev/src/idl/protocol.rs

@@ -1,167 +1,17 @@
-use std::collections::HashMap;
+pub enum ProtocolTypes {
-use crate::idl::types::Type;
+    Byte,
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct Function{
-    pub arguments : Vec<String>,
-}
-#[derive(Debug, Clone, PartialEq)]
-pub struct Protocol{
-    interface : HashMap<String, Function>,
 }
 
-#[derive(Debug, Clone, PartialEq)]
+pub struct Protocol {}
-pub struct Protocols {
-    protocols : HashMap<String, Protocol>,
-    symbol_table : HashMap<String, Type>,
-}
-
-#[derive(Debug, Clone, PartialEq)]
-pub enum ValidationError{
-    IncorrectVersion,
-    InvalidHeader,
-    FunctionDoesNotExist,
-    ProtocolDoesNotExist,
-    InvalidSize,
-    InvalidArgument,
-    NonExistentType(String),
-}
-
-impl Protocols {
-    pub fn new(symbol_table: HashMap<String, Type>) -> Self {
-        let protocols = HashMap::new();
-        Self { protocols, symbol_table }
-    }
-    
-    pub fn add_protocol(&mut self, name : String, interface : HashMap<String, Function>) {
-        self.protocols.insert(name, Protocol::new(interface));
-    }
-
-    pub fn validate(&self, protocol_name : &str, function_name : &str, data : Vec<u8>) -> Result<(), ValidationError>{
-        match self.protocols.get(protocol_name) {
-            Some(s) => s.validate(function_name, data, &self.symbol_table),
-            None => Err(ValidationError::ProtocolDoesNotExist),
-        }
-    }
-
-}
-
-
-
 impl Protocol {
-    pub fn new(interface: HashMap<String, Function>) -> Self {
+    pub fn is_empty(&self) -> bool {
-        Self {interface}
+        true
-    }
-    fn validate(&self, function_name : &str, data : Vec<u8>, symbols : &HashMap<String, Type>) -> Result<(), ValidationError> {
-        match self.interface.get(function_name){
-            Some(s) => s.validate(data, symbols),
-            None => Err(ValidationError::FunctionDoesNotExist),
-        }
-    }
     }
 
-impl Function {
+    pub fn validate_data(&self, data: Vec<u8>) -> bool {
-    fn validate(&self, data : Vec<u8>, symbols : &HashMap<String, Type>) -> Result<(), ValidationError> {
+        if !data.is_empty() && self.is_empty() {
-        let mut types = Vec::new();
+            return false;
-        for arg in self.arguments.iter() {
-            let type_value = symbols.get(arg);
-            if let Some(type_value) = type_value {
-                types.push(type_value);
         }
-            else{
+        true
-                return Err(ValidationError::NonExistentType(arg.to_string()));
     }
 }
-        let mut data = data.iter();
-        if let Some(ver) = data.next() {
-            if *ver == 1 {
-                // We got the correct version number
-                // Now to parse individual argumebts
-                let mut types = types.iter().peekable();
-                loop {
-                    let type_byte = data.next();
-                    if let Some(type_byte) = type_byte {
-                        let type_value = types.next();
-                        if type_value.is_none() {
-                            return Err(ValidationError::InvalidSize);
-                        }
-                        let type_value = type_value.unwrap();
-                        let data_type = match type_byte {
-                            0 => Some(Type::U64),
-                            1 => Some(Type::U32),
-                            2 => Some(Type::U16),
-                            3 => Some(Type::U8),
-                            4 => Some(Type::I64),
-                            5 => Some(Type::I32),
-                            6 => Some(Type::I16),
-                            7 => Some(Type::I8),
-                            8 => Some(Type::Bool),
-                            9 => Some(Type::F32),
-                            10 => Some(Type::F64),
-                            11 => Some(Type::Str),
-                            _ => None,
-                        };
-                        if data_type.is_none() || data_type.as_ref().unwrap() != *type_value {
-                            println!("{:#?}", *type_value);
-                            return Err(ValidationError::InvalidArgument);
-                        }
-
-                        match data_type.unwrap(){
-                            Type::U64 | Type::I64 | Type::F64 => {
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                            },
-                            Type::U32 | Type::I32 | Type::F32 => {
-                                data.next();
-                                data.next();
-                                data.next();
-                                data.next();
-                            },
-                            Type::U16 | Type::I16 => {
-                                data.next();
-                                data.next();
-                            },
-                            Type::U8  | Type::I8  | Type::Bool => {
-                                data.next();
-                            },
-                            Type::Str => todo!(),
-                            _ => panic!("Should not be possible"),
-                        }
-                    } else if types.peek().is_none() {
-                        return Ok(());
-                    }
-                    break;
-                }
-            }
-            else {
-                return Err(ValidationError::IncorrectVersion);
-            }
-        } else {
-            return Err(ValidationError::InvalidHeader);
-        }
-        Ok(())
-    }
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

dev/src/idl/types.rs

@@ -1,98 +0,0 @@
-use std::collections::HashMap;
-
-use crate::idl::parser::AST;
-
-use super::protocol::{Function, Protocols};
-
-#[derive(Debug, Clone, PartialEq)]
-pub enum Type {
-    U64,
-    U32,
-    U16,
-    U8,
-
-    I64,
-    I32,
-    I16,
-    I8,
-
-    Bool,
-
-    F32,
-    F64,
-    Str,
-
-    Struct(StructType),
-    Enum(EnumType),
-    Alias(String),
-}
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct StructType {
-    members : HashMap<String, String>
-}
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct EnumType {
-    members : HashMap<String, u8>
-}
-
-
-fn add_builtin_types(symbol_table : &mut HashMap<String, Type>) {
-    symbol_table.insert("u8".to_string(), Type::U8);
-    symbol_table.insert("u16".to_string(), Type::U16);
-    symbol_table.insert("u32".to_string(), Type::U32);
-    symbol_table.insert("u64".to_string(), Type::U64);
-    symbol_table.insert("i8".to_string(), Type::I8);
-    symbol_table.insert("i16".to_string(), Type::I16);
-    symbol_table.insert("i32".to_string(), Type::I32);
-    symbol_table.insert("i64".to_string(), Type::I64);
-    symbol_table.insert("bool".to_string(), Type::Bool);
-    symbol_table.insert("f32".to_string(), Type::F32);
-    symbol_table.insert("f64".to_string(), Type::F64);
-}
-
-pub fn get_protocols(ast : AST) -> Protocols{
-    let mut symbol_table : HashMap<String, Type> = HashMap::new();
-    let declarations = ast.0;
-    add_builtin_types(&mut symbol_table);
-    // First Pass
-    // We just populate the symbol table here
-    for decl in declarations.iter() {
-        match decl{
-            super::parser::Declaration::EnumDeclaration(e) => {
-                let mut members = HashMap::new();
-                for m in e.members.iter(){
-                    members.insert(m.name.to_string(), m.number as u8);
-                }
-                symbol_table.insert(e.name.to_string(), Type::Enum(EnumType{members}));
-            },
-            super::parser::Declaration::StructDeclaration(s) => {
-                let mut members = HashMap::new();
-                for m in s.members.iter() {
-                    members.insert(m.name.to_string(), m.type_name.to_string());
-                }
-                symbol_table.insert(s.name.to_string(), Type::Struct(StructType{members}));
-            },
-            super::parser::Declaration::TypeDeclaration(t) => {
-                symbol_table.insert(t.name.to_string(), Type::Alias(t.type_name.to_string()));
-            },
-            super::parser::Declaration::ProtocolDeclaration(_) => {},
-        }
-    }
-
-    let mut protocols = Protocols::new(symbol_table);
-    for decl in declarations.iter(){
-        match decl {
-            super::parser::Declaration::ProtocolDeclaration(p) => {
-                let mut funcs : HashMap<String, Function> = HashMap::new();
-                for i in p.interface.iter(){
-                    funcs.insert(i.name.to_string(), Function{arguments : i.arg_list.clone()});
-                }
-                protocols.add_protocol(p.name.to_string(), funcs);
-            },
-            _ => {}
-        }
-    }
-    protocols
-}

sysdata/idl/test/src/protocol.aldi

@@ -1,3 +0,0 @@
-protocol Foo{
-	fn bar(i32, u8, bool) -> void;	
-}