Commit df09c01f7f

@@ -25,6 +25,9 @@ pub const Node = struct {
         BoolLiteral,
         NullLiteral,
         UndefinedLiteral,
+        ThisLiteral,
+        Unreachable,
+        ErrorType,
         BuiltinCall,
         Call,
         LineComment,
@@ -49,6 +52,9 @@ pub const Node = struct {
             Id.BoolLiteral => @fieldParentPtr(NodeBoolLiteral, "base", base).iterate(index),
             Id.NullLiteral => @fieldParentPtr(NodeNullLiteral, "base", base).iterate(index),
             Id.UndefinedLiteral => @fieldParentPtr(NodeUndefinedLiteral, "base", base).iterate(index),
+            Id.ThisLiteral => @fieldParentPtr(NodeThisLiteral, "base", base).iterate(index),
+            Id.Unreachable => @fieldParentPtr(NodeUnreachable, "base", base).iterate(index),
+            Id.ErrorType => @fieldParentPtr(NodeErrorType, "base", base).iterate(index),
             Id.BuiltinCall => @fieldParentPtr(NodeBuiltinCall, "base", base).iterate(index),
             Id.Call => @fieldParentPtr(NodeCall, "base", base).iterate(index),
             Id.LineComment => @fieldParentPtr(NodeLineComment, "base", base).iterate(index),
@@ -74,6 +80,9 @@ pub const Node = struct {
             Id.BoolLiteral => @fieldParentPtr(NodeBoolLiteral, "base", base).firstToken(),
             Id.NullLiteral => @fieldParentPtr(NodeNullLiteral, "base", base).firstToken(),
             Id.UndefinedLiteral => @fieldParentPtr(NodeUndefinedLiteral, "base", base).firstToken(),
+            Id.Unreachable => @fieldParentPtr(NodeUnreachable, "base", base).firstToken(),
+            Id.ThisLiteral => @fieldParentPtr(NodeThisLiteral, "base", base).firstToken(),
+            Id.ErrorType => @fieldParentPtr(NodeErrorType, "base", base).firstToken(),
             Id.BuiltinCall => @fieldParentPtr(NodeBuiltinCall, "base", base).firstToken(),
             Id.Call => @fieldParentPtr(NodeCall, "base", base).firstToken(),
             Id.LineComment => @fieldParentPtr(NodeLineComment, "base", base).firstToken(),
@@ -99,6 +108,9 @@ pub const Node = struct {
             Id.BoolLiteral => @fieldParentPtr(NodeBoolLiteral, "base", base).lastToken(),
             Id.NullLiteral => @fieldParentPtr(NodeNullLiteral, "base", base).lastToken(),
             Id.UndefinedLiteral => @fieldParentPtr(NodeUndefinedLiteral, "base", base).lastToken(),
+            Id.ThisLiteral => @fieldParentPtr(NodeThisLiteral, "base", base).lastToken(),
+            Id.Unreachable => @fieldParentPtr(NodeUnreachable, "base", base).lastToken(),
+            Id.ErrorType => @fieldParentPtr(NodeErrorType, "base", base).lastToken(),
             Id.BuiltinCall => @fieldParentPtr(NodeBuiltinCall, "base", base).lastToken(),
             Id.Call => @fieldParentPtr(NodeCall, "base", base).lastToken(),
             Id.LineComment => @fieldParentPtr(NodeLineComment, "base", base).lastToken(),
@@ -688,6 +700,57 @@ pub const NodeUndefinedLiteral = struct {
     }
 };
 
+pub const NodeThisLiteral = struct {
+    base: Node,
+    token: Token,
+
+    pub fn iterate(self: &NodeThisLiteral, index: usize) ?&Node {
+        return null;
+    }
+
+    pub fn firstToken(self: &NodeThisLiteral) Token {
+        return self.token;
+    }
+
+    pub fn lastToken(self: &NodeThisLiteral) Token {
+        return self.token;
+    }
+};
+
+pub const NodeUnreachable = struct {
+    base: Node,
+    token: Token,
+
+    pub fn iterate(self: &NodeUnreachable, index: usize) ?&Node {
+        return null;
+    }
+
+    pub fn firstToken(self: &NodeUnreachable) Token {
+        return self.token;
+    }
+
+    pub fn lastToken(self: &NodeUnreachable) Token {
+        return self.token;
+    }
+};
+
+pub const NodeErrorType = struct {
+    base: Node,
+    token: Token,
+
+    pub fn iterate(self: &NodeErrorType, index: usize) ?&Node {
+        return null;
+    }
+
+    pub fn firstToken(self: &NodeErrorType) Token {
+        return self.token;
+    }
+
+    pub fn lastToken(self: &NodeErrorType) Token {
+        return self.token;
+    }
+};
+
 pub const NodeLineComment = struct {
     base: Node,
     lines: ArrayList(Token),

@@ -451,6 +451,42 @@ pub const Parser = struct {
                             try stack.append(State.AfterOperand);
                             continue;
                         },
+                        Token.Id.Keyword_this => {
+                            const node = try arena.create(ast.NodeThisLiteral);
+                            *node = ast.NodeThisLiteral {
+                                .base = self.initNode(ast.Node.Id.ThisLiteral),
+                                .token = token,
+                            };
+                            try stack.append(State {
+                                .Operand = &node.base
+                            });
+                            try stack.append(State.AfterOperand);
+                            continue;
+                        },
+                        Token.Id.Keyword_unreachable => {
+                            const node = try arena.create(ast.NodeUnreachable);
+                            *node = ast.NodeUnreachable {
+                                .base = self.initNode(ast.Node.Id.Unreachable),
+                                .token = token,
+                            };
+                            try stack.append(State {
+                                .Operand = &node.base
+                            });
+                            try stack.append(State.AfterOperand);
+                            continue;
+                        },
+                        Token.Id.Keyword_error => {
+                            const node = try arena.create(ast.NodeErrorType);
+                            *node = ast.NodeErrorType {
+                                .base = self.initNode(ast.Node.Id.ErrorType),
+                                .token = token,
+                            };
+                            try stack.append(State {
+                                .Operand = &node.base
+                            });
+                            try stack.append(State.AfterOperand);
+                            continue;
+                        },
                         Token.Id.Builtin => {
                             const node = try arena.create(ast.NodeBuiltinCall);
                             *node = ast.NodeBuiltinCall {
@@ -1499,6 +1535,18 @@ pub const Parser = struct {
                         const null_literal = @fieldParentPtr(ast.NodeNullLiteral, "base", base);
                         try stream.print("{}", self.tokenizer.getTokenSlice(null_literal.token));
                     },
+                    ast.Node.Id.ThisLiteral => {
+                        const this_literal = @fieldParentPtr(ast.NodeThisLiteral, "base", base);
+                        try stream.print("{}", self.tokenizer.getTokenSlice(this_literal.token));
+                    },
+                    ast.Node.Id.Unreachable => {
+                        const unreachable_node = @fieldParentPtr(ast.NodeUnreachable, "base", base);
+                        try stream.print("{}", self.tokenizer.getTokenSlice(unreachable_node.token));
+                    },
+                    ast.Node.Id.ErrorType => {
+                        const error_type = @fieldParentPtr(ast.NodeErrorType, "base", base);
+                        try stream.print("{}", self.tokenizer.getTokenSlice(error_type.token));
+                    },
                     ast.Node.Id.MultilineStringLiteral => {
                         const multiline_str_literal = @fieldParentPtr(ast.NodeMultilineStringLiteral, "base", base);
                         try stream.print("\n");