1 files changed, 17 insertions, 4 deletions
diff --git a/src/parse.zig b/src/parse.zig
index bd0ca46..451b050 100644
--- a/src/parse.zig
+++ b/src/parse.zig
@@ -32,8 +32,9 @@ pub const File = struct {
     };
 
     fn format(self: File, writer: anytype, source: []const u8, indent: usize) !void {
-        for (self.decls) |decl| {
-            try writer.print("{s} {s} {}", .{
+        for (0.., self.decls) |i, decl| {
+            try writer.print("{s}{s} {s} {}\n", .{
+                if (i == 0) "" else "\n",
                 decl.inner.ident.getIdent(source),
                 ":=",
                 fmt(decl.inner.value, source, indent),
@@ -182,6 +183,7 @@ const ParseError = error{
     UnexpectedToken,
     InvalidAssignTarget,
     ExprStatementMustBeCall,
+    ExpectedCOmmaOrIdentifier,
 };
 
 pub fn file(allocator: Allocator, lexer: *Lexer) !File {
@@ -272,8 +274,19 @@ fn parseProc(allocator: Allocator, lexer: *Lexer) ParseError!*Expr {
     if (lexer.peek().type != .proc) return parseComparisons(allocator, lexer);
     const proc = try mustEat(lexer, .proc);
     _ = try mustEat(lexer, .left_paren);
-    // TODO: parameters
-    _ = try mustEat(lexer, .right_paren);
+    var params: std.ArrayList(Lexer.Location) = .init(allocator);
+    while (true) {
+        const tok = lexer.next();
+        switch (tok.type) {
+            .right_paren => break,
+            .identifier => {
+                try params.append(tok.loc);
+                if (lexer.peek().type == .right_paren) continue;
+                _ = try mustEat(lexer, .comma);
+            },
+            else => return error.ExpectedCOmmaOrIdentifier,
+        }
+    }
     const body = try parseBlock(allocator, lexer);
 
     return allocate(Expr, allocator, .{