parser: remove dead code

src/ast.zig

@@ -8,7 +8,6 @@ pub const ExprList = std.ArrayList(*Expr);
 pub const ParamList = std.ArrayList(ParamDecl);
 pub const ConstList = std.ArrayList(SingleConst);
 
-// TODO convert FnCall to something like PrefixOp / InfixOp / SuffixOp
 pub const NodeType = enum {
     Root,
     FnDecl,
@@ -202,6 +201,8 @@ pub fn mkRoot(allocator: *std.mem.Allocator) !*Node {
     return node;
 }
 
+// TODO move those functions to src/ast_print.zig
+
 fn printIdent(ident: usize) void {
     var i: usize = 0;
     while (i < ident) : (i += 1) {

src/parser.zig

@@ -333,43 +333,6 @@ pub const Parser = struct {
         return root;
     }
 
-    fn functionDecl(self: *Parser) !*ast.Node {
-
-        // function body
-        _ = try self.nextToken();
-        _ = try self.consumeSingle(.LeftBrace);
-        var body = ast.NodeList.init(self.allocator);
-
-        while (true) {
-            var tok = self.peek();
-            if (tok.ttype == .RightBrace) break;
-
-            // TODO statements
-            //var node = try self.processToken(tok);
-            //std.debug.warn("stmt:{}\n", node);
-            //try body.append(node);
-
-            tok = try self.nextToken();
-        }
-
-        _ = try self.consumeSingle(.RightBrace);
-
-        return try self.mkFnDecl(name, param_list);
-    }
-
-    fn processToken(self: *Parser, token: Token) anyerror!*ast.Node {
-        var node = switch (token.ttype) {
-            .Fn => try self.functionDecl(),
-            .Identifier => try self.functionCall(),
-            else => blk: {
-                try self.doError("TODO handle {}\n", token.ttype);
-                return Result.CompileError;
-            },
-        };
-
-        return node;
-    }
-
     fn parseFnDecl(self: *@This()) !?*Node {
         var param_list = ast.ParamList.init(self.allocator);
         errdefer param_list.deinit();
@@ -412,9 +375,6 @@ pub const Parser = struct {
             _ = try self.consumeSingle(.Equal);
 
             var expr = try self.parseExpr();
-            // _ = try self.nextToken();
-            //const const_value = try self.consumeSingle(.Identifier);
-
             try consts.append(ast.SingleConst{
                 .name = const_name,
                 .expr = expr.Expr,