added punc and cleaned up errors

Cargo.toml

@@ -9,6 +9,6 @@ authors = ["Jason Williams <jase.williams@gmail.com>"]
 name = "js"
 path = "src/lib/lib.rs"
 
-[[bin]]
-name = "js"
-path = "src/bin/bin.rs"
+# [[bin]]
+# name = "js"
+# path = "src/bin/bin.rs"

src/lib/syntax/ast/keyword.rs

@@ -72,15 +72,15 @@ pub enum Keyword {
 }
 
 #[derive(Debug, Clone)]
-struct TokenError;
-impl Display for TokenError {
+pub struct KeywordError;
+impl Display for KeywordError {
     fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
         write!(f, "invalid token")
     }
 }
 
 // This is important for other errors to wrap this one.
-impl error::Error for TokenError {
+impl error::Error for KeywordError {
     fn description(&self) -> &str {
         "invalid token"
     }
@@ -91,7 +91,7 @@ impl error::Error for TokenError {
     }
 }
 impl FromStr for Keyword {
-    type Err = TokenError;
+    type Err = KeywordError;
     fn from_str(s: &str) -> Result<Keyword, Self::Err> {
         match s {
             "break" => Ok(KBreak),
@@ -125,7 +125,7 @@ impl FromStr for Keyword {
             "void" => Ok(KVoid),
             "while" => Ok(KWhile),
             "with" => Ok(KWith),
-            _ => Err(TokenError),
+            _ => Err(KeywordError),
         }
     }
 }

src/lib/syntax/ast/mod.rs

@@ -1,3 +1,4 @@
 pub mod keyword;
 pub mod pos;
+pub mod punc;
 pub mod token;

src/lib/syntax/ast/punc.rs

@@ -0,0 +1,162 @@
+use std::fmt::{Display, Error, Formatter};
+#[derive(PartialEq, Clone)]
+/// Punctuation
+pub enum Punctuator {
+    /// `{`
+    POpenBlock,
+    /// `}`
+    PCloseBlock,
+    /// `(`
+    POpenParen,
+    /// `)`
+    PCloseParen,
+    /// `[`
+    POpenBracket,
+    /// `]`
+    PCloseBracket,
+    /// `.`
+    PDot,
+    /// `;`
+    PSemicolon,
+    /// `,`
+    PComma,
+    /// `<`
+    PLessThan,
+    /// `>`
+    PGreaterThan,
+    /// `<=`
+    PLessThanOrEq,
+    /// `>=`
+    PGreaterThanOrEq,
+    /// `==`
+    PEq,
+    /// `!=`
+    PNotEq,
+    /// `===`
+    PStrictEq,
+    /// `!==`
+    PStrictNotEq,
+    /// `+`
+    PAdd,
+    /// `-`
+    PSub,
+    /// `*`
+    PMul,
+    /// `/`
+    PDiv,
+    /// `%`
+    PMod,
+    /// `++`
+    PInc,
+    /// `--`
+    PDec,
+    /// `<<`
+    PLeftSh,
+    /// `>>`
+    PRightSh,
+    /// `>>>`
+    PURightSh,
+    /// `&`
+    PAnd,
+    /// `|`
+    POr,
+    /// `^`
+    PXor,
+    /// `!`
+    PNot,
+    /// `~`
+    PNeg,
+    /// `&&`
+    PBoolAnd,
+    /// `||`
+    PBoolOr,
+    /// `?`
+    PQuestion,
+    /// `:`
+    PColon,
+    /// `=`
+    PAssign,
+    /// `+=`
+    PAssignAdd,
+    /// `-=`
+    PAssignSub,
+    /// `*=`
+    PAssignMul,
+    /// `/=`
+    PAssignDiv,
+    /// `%=`
+    PAssignMod,
+    /// `<<=`
+    PAssignLeftSh,
+    /// `>>=`
+    PAssignRightSh,
+    /// `>>>=`
+    PAssignURightSh,
+    /// `&=`
+    PAssignAnd,
+    /// `|=`
+    PAssignOr,
+    /// `^=`
+    PAssignXor,
+    /// `=>`
+    PArrow,
+}
+impl Display for Punctuator {
+    fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
+        write!(
+            f,
+            "{}",
+            match self {
+                Punctuator::POpenBlock => "{",
+                Punctuator::PCloseBlock => "}",
+                Punctuator::POpenParen => "(",
+                Punctuator::PCloseParen => ")",
+                Punctuator::POpenBracket => "[",
+                Punctuator::PCloseBracket => "]",
+                Punctuator::PDot => ".",
+                Punctuator::PSemicolon => ";",
+                Punctuator::PComma => ",",
+                Punctuator::PLessThan => "<",
+                Punctuator::PGreaterThan => ">",
+                Punctuator::PLessThanOrEq => "<=",
+                Punctuator::PGreaterThanOrEq => ">=",
+                Punctuator::PEq => "==",
+                Punctuator::PNotEq => "!=",
+                Punctuator::PStrictEq => "===",
+                Punctuator::PStrictNotEq => "!==",
+                Punctuator::PAdd => "+",
+                Punctuator::PSub => "-",
+                Punctuator::PMul => "*",
+                Punctuator::PDiv => "/",
+                Punctuator::PMod => "%",
+                Punctuator::PInc => "++",
+                Punctuator::PDec => "--",
+                Punctuator::PLeftSh => "<<",
+                Punctuator::PRightSh => ">>",
+                Punctuator::PURightSh => ">>>",
+                Punctuator::PAnd => "&",
+                Punctuator::POr => "|",
+                Punctuator::PXor => "^",
+                Punctuator::PNot => "!",
+                Punctuator::PNeg => "~",
+                Punctuator::PBoolAnd => "&&",
+                Punctuator::PBoolOr => "||",
+                Punctuator::PQuestion => "?",
+                Punctuator::PColon => ":",
+                Punctuator::PAssign => "=",
+                Punctuator::PAssignAdd => "+=",
+                Punctuator::PAssignSub => "-=",
+                Punctuator::PAssignMul => "*=",
+                Punctuator::PAssignDiv => "/=",
+                Punctuator::PAssignMod => "%=",
+                Punctuator::PAssignLeftSh => "<<=",
+                Punctuator::PAssignRightSh => ">>=",
+                Punctuator::PAssignURightSh => ">>>=",
+                Punctuator::PAssignAnd => "&=",
+                Punctuator::PAssignOr => "|=",
+                Punctuator::PAssignXor => "^=",
+                Punctuator::PArrow => "=>",
+            }
+        )
+    }
+}

src/lib/syntax/ast/token.rs

@@ -1,6 +1,7 @@
 use std::fmt::{Display, Formatter, Result};
 use syntax::ast::keyword::Keyword;
 use syntax::ast::pos::Position;
+use syntax::ast::punc::Punctuator;
 
 #[derive(Clone, PartialEq)]
 pub struct Token {
@@ -37,10 +38,10 @@ impl Display for TokenData {
     fn fmt(&self, f: &mut Formatter) -> Result {
         match self.clone() {
             TokenData::TBooleanLiteral(val) => write!(f, "{}", val),
-            TEOF => write!(f, "end of file"),
+            TokenData::TEOF => write!(f, "end of file"),
             TokenData::TIdentifier(ident) => write!(f, "{}", ident),
             TokenData::TKeyword(word) => write!(f, "{}", word),
-            TNullLiteral => write!(f, "null"),
+            TokenData::TNullLiteral => write!(f, "null"),
             TokenData::TNumericLiteral(num) => write!(f, "{}", num),
             TokenData::TPunctuator(punc) => write!(f, "{}", punc),
             TokenData::TStringLiteral(lit) => write!(f, "{}", lit),

src/main.rs

@@ -1,4 +0,0 @@
-fn main() {
-    println!("Hello, worlddnbkjxnkjx!");
-}
-