Remove unused compiler namespace in parser

parser/src/token.rs

@@ -0,0 +1,94 @@
+
+// Loosely based on token.h from CPython source:
+#[derive(Debug)]
+#[derive(PartialEq)]
+pub enum Tok {
+    Name { name: String },
+    Number { value: i32 },
+    String { value: String },
+    Newline,
+    Indent,
+    Dedent,
+    Lpar,
+    Rpar,
+    Lsqb,
+    Rsqb,
+    Colon,
+    Comma,
+    Semi,
+    Plus,
+    Minus,
+    Star,
+    Slash,
+    Vbar,  // '|'
+    Amper,  // '&'
+    Less,
+    Greater,
+    Equal,
+    Dot,
+    Percent,
+    Lbrace,
+    Rbrace,
+    EqEqual,
+    NotEqual,
+    LessEqual,
+    GreaterEqual,
+    Tilde,
+    CircumFlex,
+    LeftShift,
+    RightShift,
+    DoubleStar,
+    PlusEqual,
+    MinusEqual,
+    StarEqual,
+    SlashEqual,
+    PercentEqual,
+    AmperEqual,  // '&='
+    VbarEqual,
+    CircumflexEqual,  // '^='
+    LeftShiftEqual,
+    RightShiftEqual,
+    DoubleSlash,  // '//'
+    DoubleSlashEqual,
+    At,
+    AtEqual,
+    Rarrow,
+    Ellipses,
+
+    // Keywords (alphabetically):
+
+    False,
+    None,
+    True,
+
+    And,
+    As,
+    Assert,
+    Break,
+    Class,
+    Continue,
+    Def,
+    Del,
+    Elif,
+    Else,
+    Except,
+    Finally,
+    For,
+    From,
+    Global,
+    If,
+    Import,
+    In,
+    Is,
+    Lambda,
+    Nonlocal,
+    Not,
+    Or,
+    Pass,
+    Raise,
+    Return,
+    Try,
+    While,
+    With,
+    Yield,
+}