Zig 0.17.0-dev (Split by item)

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findLineColumn

zig.findLineColumn

pub fn findLineColumn(source: []const u8, byte_offset: usize) Loc

File

lib/std/zig.zig:127

Code

pub fn findLineColumn(source: []const u8, byte_offset: usize) Loc {
    var line: usize = 0;
    var column: usize = 0;
    var line_start: usize = 0;
    var i: usize = 0;
    while (i < byte_offset) : (i += 1) {
        switch (source[i]) {
            '\n' => {
                line += 1;
                column = 0;
                line_start = i + 1;
            },
            else => {
                column += 1;
            },
        }
    }
    while (i < source.len and source[i] != '\n') {
        i += 1;
    }
    return .{
        .line = line,
        .column = column,
        .source_line = source[line_start..i],
    };
}