transCommaExpr

fn transCommaExpr(t: *Translator, scope: *Scope, bin: Node.Binary, used: ResultUsed) TransError!ZigNode

File

Code

fn transCommaExpr(t: *Translator, scope: *Scope, bin: Node.Binary, used: ResultUsed) TransError!ZigNode {
    if (used == .unused) {
        const lhs = try t.transExprCoercing(scope, bin.lhs, .unused);
        try scope.appendNode(lhs);
        const rhs = try t.transExprCoercing(scope, bin.rhs, .unused);
        return rhs;
    }

    var block_scope = try Scope.Block.init(t, scope, true);
    defer block_scope.deinit();

    const lhs = try t.transExprCoercing(&block_scope.base, bin.lhs, .unused);
    try block_scope.statements.append(t.gpa, lhs);

    const rhs = try t.transExprCoercing(&block_scope.base, bin.rhs, .used);
    const break_node = try ZigTag.break_val.create(t.arena, .{
        .label = block_scope.label,
        .val = try t.toNonBool(rhs, bin.qt),
    });
    try block_scope.statements.append(t.gpa, break_node);

    return try block_scope.complete();
}