| ... | @@ -783,7 +783,48 @@ fn renderExpression(r: *Render, node: Ast.Node.Index, space: Space) Error!void { | ... | @@ -783,7 +783,48 @@ fn renderExpression(r: *Render, node: Ast.Node.Index, space: Space) Error!void { |
| 783 | => { | 783 | => { |
| 784 | var buf: [2]Ast.Node.Index = undefined; | 784 | var buf: [2]Ast.Node.Index = undefined; |
| 785 | const params = tree.builtinCallParams(&buf, node).?; | 785 | const params = tree.builtinCallParams(&buf, node).?; |
| 786 | return renderBuiltinCall(r, tree.nodeMainToken(node), params, space); | 786 | var builtin_token = tree.nodeMainToken(node); |
| | 787 | |
| | 788 | canonicalize: { |
| | 789 | if (params.len != 1) break :canonicalize; |
| | 790 | |
| | 791 | const CastKind = enum { |
| | 792 | ptrCast, |
| | 793 | alignCast, |
| | 794 | addrSpaceCast, |
| | 795 | constCast, |
| | 796 | volatileCast, |
| | 797 | }; |
| | 798 | const kind = meta.stringToEnum(CastKind, tree.tokenSlice(builtin_token)[1..]) orelse break :canonicalize; |
| | 799 | |
| | 800 | var cast_map = std.EnumMap(CastKind, Ast.TokenIndex).init(.{}); |
| | 801 | cast_map.put(kind, builtin_token); |
| | 802 | |
| | 803 | var casts_before: usize = 0; |
| | 804 | if (builtin_token >= 2) { |
| | 805 | var prev_builtin_token = builtin_token - 2; |
| | 806 | while (tree.tokenTag(prev_builtin_token) == .builtin) : (prev_builtin_token -= 2) { |
| | 807 | const prev_kind = meta.stringToEnum(CastKind, tree.tokenSlice(prev_builtin_token)[1..]) orelse break; |
| | 808 | if (cast_map.contains(prev_kind)) break :canonicalize; |
| | 809 | cast_map.put(prev_kind, prev_builtin_token); |
| | 810 | casts_before += 1; |
| | 811 | } |
| | 812 | } |
| | 813 | |
| | 814 | var next_builtin_token = builtin_token + 2; |
| | 815 | while (tree.tokenTag(next_builtin_token) == .builtin) : (next_builtin_token += 2) { |
| | 816 | const next_kind = meta.stringToEnum(CastKind, tree.tokenSlice(next_builtin_token)[1..]) orelse break; |
| | 817 | if (cast_map.contains(next_kind)) break :canonicalize; |
| | 818 | cast_map.put(next_kind, next_builtin_token); |
| | 819 | } |
| | 820 | |
| | 821 | var it = cast_map.iterator(); |
| | 822 | builtin_token = it.next().?.value.*; |
| | 823 | while (casts_before > 0) : (casts_before -= 1) { |
| | 824 | builtin_token = it.next().?.value.*; |
| | 825 | } |
| | 826 | } |
| | 827 | return renderBuiltinCall(r, builtin_token, params, space); |
| 787 | }, | 828 | }, |
| 788 | | 829 | |
| 789 | .fn_proto_simple, | 830 | .fn_proto_simple, |
Justus Klausecker <justus@klausecker.de> 2025-08-03 14:53:33+02:00
lib