Zig 0.17.0-dev (Split by item)

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finishBoolExpr

Translator.finishBoolExpr

fn finishBoolExpr(t: *Translator, qt: QualType, node: ZigNode) TransError!ZigNode

File

lib/compiler/translate-c/Translator.zig:2445

Code

fn finishBoolExpr(t: *Translator, qt: QualType, node: ZigNode) TransError!ZigNode {
    const sk = qt.scalarKind(t.comp);
    if (sk == .bool) return node;
    if (sk == .nullptr_t) {
        // node == null, always true
        return ZigTag.equal.create(t.arena, .{ .lhs = node, .rhs = ZigTag.null_literal.init() });
    }
    if (sk.isPointer()) {
        // node != null
        return ZigTag.not_equal.create(t.arena, .{ .lhs = node, .rhs = ZigTag.null_literal.init() });
    }
    if (sk != .none) {
        // node != 0
        return ZigTag.not_equal.create(t.arena, .{ .lhs = node, .rhs = ZigTag.zero_literal.init() });
    }
    unreachable; // Unexpected bool expression type
}