| ... | ... | @@ -691,8 +691,9 @@ fn transStringLiteral( |
| 691 | 691 | const bytes_ptr = ZigClangStringLiteral_getString_bytes_begin_size(stmt, &len); |
| 692 | 692 | const str = bytes_ptr[0..len]; |
| 693 | 693 | |
| 694 | var char_buf: [4]u8 = undefined; |
| 694 | 695 | len = 0; |
| 695 | | for (str) |c| len += escapeChar(c).len; |
| 696 | for (str) |c| len += escapeChar(c, &char_buf).len; |
| 696 | 697 | |
| 697 | 698 | const buf = try rp.c.a().alloc(u8, len + "c\"\"".len); |
| 698 | 699 | buf[0] = 'c'; |
| ... | ... | @@ -725,33 +726,35 @@ fn transStringLiteral( |
| 725 | 726 | |
| 726 | 727 | fn escapedStringLen(s: []const u8) usize { |
| 727 | 728 | var len: usize = 0; |
| 728 | | for (s) |c| len += escapeChar(c).len; |
| 729 | var char_buf: [4]u8 = undefined; |
| 730 | for (s) |c| len += escapeChar(c, &char_buf).len; |
| 729 | 731 | return len; |
| 730 | 732 | } |
| 731 | 733 | |
| 732 | 734 | fn writeEscapedString(buf: []u8, s: []const u8) void { |
| 735 | var char_buf: [4]u8 = undefined; |
| 733 | 736 | var i: usize = 0; |
| 734 | 737 | for (s) |c| { |
| 735 | | const escaped = escapeChar(c); |
| 738 | const escaped = escapeChar(c, &char_buf); |
| 736 | 739 | std.mem.copy(u8, buf[i..], escaped); |
| 737 | 740 | i += escaped.len; |
| 738 | 741 | } |
| 739 | 742 | } |
| 740 | 743 | |
| 741 | | fn escapeChar(c: u8) []const u8 { |
| 744 | // Returns either a string literal or a slice of `buf`. |
| 745 | fn escapeChar(c: u8, char_buf: *[4]u8) []const u8 { |
| 742 | 746 | // TODO: https://github.com/ziglang/zig/issues/2749 |
| 743 | | switch (c) { |
| 747 | const escaped = switch (c) { |
| 744 | 748 | // Printable ASCII except for ' " \ |
| 745 | | ' ', '!', '#'...'&', '('...'[', ']'...'~' => return ([_]u8{c})[0..], |
| 746 | | '\'', '\"', '\\' => return ([_]u8{ '\\', c })[0..], |
| 749 | ' ', '!', '#'...'&', '('...'[', ']'...'~' => ([_]u8{c})[0..], |
| 750 | '\'', '\"', '\\' => ([_]u8{ '\\', c })[0..], |
| 747 | 751 | '\n' => return "\\n"[0..], |
| 748 | 752 | '\r' => return "\\r"[0..], |
| 749 | 753 | '\t' => return "\\t"[0..], |
| 750 | | else => { |
| 751 | | var buf: [4]u8 = undefined; |
| 752 | | return std.fmt.bufPrint(buf[0..], "\\x{x:2}", c) catch unreachable; |
| 753 | | }, |
| 754 | | } |
| 754 | else => return std.fmt.bufPrint(char_buf[0..], "\\x{x:2}", c) catch unreachable, |
| 755 | }; |
| 756 | std.mem.copy(u8, char_buf, escaped); |
| 757 | return char_buf[0..escaped.len]; |
| 755 | 758 | } |
| 756 | 759 | |
| 757 | 760 | fn transCCast( |
hryx <codroid@gmail.com> 2019-06-28 18:01:41-07:00
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