1 files changed, 14 insertions, 33 deletions
diff --git a/src/main.zig b/src/main.zig
index 367edf8..5873c66 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -14,45 +14,26 @@ pub fn main() !void {
     var args = std.process.args();
     _ = args.next();
 
+    const in_path = args.next();
+    const in_file = if (in_path) |path|
+        try std.fs.cwd().openFile(path, .{})
+    else
+        std.io.getStdIn();
+
     const out_path = args.next();
     const out_file = if (out_path) |path|
         try std.fs.cwd().createFile(path, .{ .mode = 0o777 })
     else
         std.io.getStdOut();
+
     const run = if (args.next()) |arg| std.mem.eql(u8, arg, "run") else false;
 
-    // var br = std.io.bufferedReader(std.io.getStdIn().reader());
-    // const stdin = br.reader();
-    //
-    // var line: std.ArrayList(u8) = .init(alloc);
-    // defer line.deinit();
-    // while (true) {
-    //     try stdin.streamUntilDelimiter(line.writer(), '\n', null);
-    //
-    //     const lexer = Lexer{.source = line};
-    //
-    //     try stdout.print("{s}\n", .{line.items});
-    // }
+    const source = try in_file.readToEndAlloc(
+        allocator,
+        640 * 1024, // ought to be enough for anyone
+    );
+    defer allocator.free(source);
 
-    const source =
-        \\{
-        \\    let x = 10
-        \\    let y = 0
-        \\    print(x > y)
-        \\    while y < 3 {
-        \\        x = x + x
-        \\        y = y + 1
-        \\    }
-        \\    if x {
-        \\        # let x = read_int(0)
-        \\        # print(18446744073709551615)
-        \\        x = x + x
-        \\    } else {
-        \\        x = 69
-        \\    }
-        \\    print(x)
-        \\}
-    ;
     var lexer: Lexer = .{ .source = source };
     std.debug.print("Tokens:\n", .{});
     while (true) {
@@ -61,7 +42,7 @@ pub fn main() !void {
         if (token.type == .eof) break;
     }
     lexer = .{ .source = source };
-    const ast = try parse.block(allocator, &lexer);
+    const ast = try parse.file(allocator, &lexer);
     std.debug.print("Parse tree:\n{}\n", .{parse.fmt(ast, source, 0)});
     if (lexer.peek().type != .eof) {
         std.debug.print("Unexpected token {}, expected end of file\n", .{lexer.next()});
@@ -81,7 +62,7 @@ pub fn main() !void {
             else
                 &.{ "qemu-riscv64", out_path.? },
         );
-        std.debug.print("{}\n{any}\n", .{err, @errorReturnTrace()});
+        std.debug.print("{}\n{any}\n", .{ err, @errorReturnTrace() });
     }
 }