parser: introduce new Precedence and Associativity enums

trunk_lexer/src/lexer.rs

@@ -617,7 +617,14 @@ impl Lexer {
  if let Some(b'*') = self.peek {
  self.col += 1;
  self.next();
- TokenKind::Pow
+
+ if let Some(b'=') = self.peek {
+ self.col += 1;
+ self.next();
+ TokenKind::PowEquals
+ } else {
+ TokenKind::Pow
+ }
  } else if let Some(b'=') = self.peek {
  self.col += 1;
  self.next();
@@ -753,6 +760,12 @@ impl Lexer {
  self.col += 1;
 
  TokenKind::GreaterThanEquals
+ } else if let Some(b'>') = self.peek {
+ self.next();
+
+ self.col += 1;
+
+ TokenKind::RightShift
  } else {
  TokenKind::GreaterThan
  }

trunk_lexer/src/token.rs

@@ -107,6 +107,7 @@ pub enum TokenKind {
  LeftBracket,
  LeftParen,
  LeftShift,
+ RightShift,
  LessThan,
  LessThanEquals,
  Match,
@@ -122,6 +123,7 @@ pub enum TokenKind {
  Plus,
  PlusEquals,
  Pow,
+ PowEquals,
  Private,
  Protected,
  Public,

trunk_parser/Cargo.toml

@@ -10,3 +10,6 @@ trunk_lexer = { path = "../trunk_lexer" }
 
 [lib]
 doctest = false
+
+[dev-dependencies]
+pretty_assertions = "1.3.0"

trunk_parser/src/main.rs

@@ -0,0 +1,17 @@
+use trunk_lexer::Lexer;
+use trunk_parser::Parser;
+
+fn main() {
+ let file = std::env::args().nth(1).unwrap();
+ let contents = std::fs::read_to_string(&file).unwrap();
+
+ println!("> Parsing {}", file);
+
+ let mut lexer = Lexer::new(None);
+ let tokens = lexer.tokenize(contents.as_bytes()).unwrap();
+
+ let mut parser = Parser::new(None);
+ let ast = parser.parse(tokens).unwrap();
+
+ dbg!(ast);
+}