Zig 0.17.0-dev (Split by item)

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig library itself.

getContainer

Translator.getContainer

fn getContainer(t: *Translator, node: ZigNode) ?ZigNode

File

lib/compiler/translate-c/Translator.zig:4357

Code

fn getContainer(t: *Translator, node: ZigNode) ?ZigNode {
    switch (node.tag()) {
        .@"union",
        .@"struct",
        .address_of,
        .bit_not,
        .not,
        .optional_type,
        .negate,
        .negate_wrap,
        .array_type,
        .c_pointer,
        .single_pointer,
        => return node,

        .identifier => {
            const ident = node.castTag(.identifier).?;
            if (t.global_scope.sym_table.get(ident.data)) |value| {
                if (value.castTag(.var_decl)) |var_decl|
                    return t.getContainer(var_decl.data.init.?);
                if (value.castTag(.var_simple) orelse value.castTag(.pub_var_simple)) |var_decl|
                    return t.getContainer(var_decl.data.init);
            }
        },

        .field_access => {
            const field_access = node.castTag(.field_access).?;

            if (t.getContainerTypeOf(field_access.data.lhs)) |ty_node| {
                if (ty_node.castTag(.@"struct") orelse ty_node.castTag(.@"union")) |container| {
                    for (container.data.fields) |field| {
                        if (mem.eql(u8, field.name, field_access.data.field_name)) {
                            return t.getContainer(field.type);
                        }
                    }
                }
            }
        },

        else => {},
    }
    return null;
}