Zig 0.17.0-dev (Split by item)

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genDefers

AstGen.genDefers

fn genDefers(
    gz: *GenZir,
    outer_scope: *Scope,
    inner_scope: *Scope,
    which_ones: enum

File

lib/std/zig/AstGen.zig:2990

Code

fn genDefers(
    gz: *GenZir,
    outer_scope: *Scope,
    inner_scope: *Scope,
    which_ones: enum { normal_only, normal_and_error },
) InnerError!void {
    var scope = inner_scope;
    while (scope != outer_scope) {
        switch (scope.unwrap()) {
            .gen_zir => |gen_zir| scope = gen_zir.parent,
            .local_val => |local_val| scope = local_val.parent,
            .local_ptr => |local_ptr| scope = local_ptr.parent,
            .defer_normal => |defer_scope| {
                scope = defer_scope.parent;
                try gz.addDefer(defer_scope.index, defer_scope.len);
            },
            .defer_error => |defer_scope| {
                scope = defer_scope.parent;
                switch (which_ones) {
                    .normal_only => continue,
                    .normal_and_error => {
                        try gz.addDefer(defer_scope.index, defer_scope.len);
                    },
                }
            },
            .namespace => unreachable,
            .top => unreachable,
        }
    }
}