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Use override rather than virtual.

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This commit is contained in:
Bruce Mitchener 2018-02-09 21:15:02 +07:00
parent 2b847478a2
commit b7d1753843
138 changed files with 1621 additions and 1624 deletions
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60
src/cmd_context/extra_cmds/dbg_cmds.cpp
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@ -104,15 +104,15 @@ class subst_cmd : public cmd {
ptr_vector<expr> m_subst;
public:
subst_cmd():cmd("dbg-subst") {}
virtual char const * get_usage() const { return "<symbol> (<symbol>*) <symbol>"; }
virtual char const * get_descr(cmd_context & ctx) const { return "substitute the free variables in the AST referenced by <symbol> using the ASTs referenced by <symbol>*"; }
virtual unsigned get_arity() const { return 3; }
virtual void prepare(cmd_context & ctx) { m_idx = 0; m_source = 0; }
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const {
char const * get_usage() const override { return "<symbol> (<symbol>*) <symbol>"; }
char const * get_descr(cmd_context & ctx) const override { return "substitute the free variables in the AST referenced by <symbol> using the ASTs referenced by <symbol>*"; }
unsigned get_arity() const override { return 3; }
void prepare(cmd_context & ctx) override { m_idx = 0; m_source = 0; }
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override {
if (m_idx == 1) return CPK_SYMBOL_LIST;
return CPK_SYMBOL;
}
virtual void set_next_arg(cmd_context & ctx, symbol const & s) {
void set_next_arg(cmd_context & ctx, symbol const & s) override {
if (m_idx == 0) {
m_source = get_expr_ref(ctx, s);
}
@ -121,7 +121,7 @@ public:
}
m_idx++;
}
virtual void set_next_arg(cmd_context & ctx, unsigned num, symbol const * s) {
void set_next_arg(cmd_context & ctx, unsigned num, symbol const * s) override {
m_subst.reset();
unsigned i = num;
while (i > 0) {
@ -130,7 +130,7 @@ public:
}
m_idx++;
}
virtual void execute(cmd_context & ctx) {
void execute(cmd_context & ctx) override {
expr_ref r(ctx.m());
beta_reducer p(ctx.m());
p(m_source, m_subst.size(), m_subst.c_ptr(), r);
@ -179,18 +179,18 @@ class lt_cmd : public cmd {
expr * m_t2;
public:
lt_cmd():cmd("dbg-lt") {}
virtual char const * get_usage() const { return "<term> <term>"; }
virtual char const * get_descr(cmd_context & ctx) const { return "return true if the first term is smaller than the second one in the internal Z3 total order on terms."; }
virtual unsigned get_arity() const { return 2; }
virtual void prepare(cmd_context & ctx) { m_t1 = 0; }
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { return CPK_EXPR; }
virtual void set_next_arg(cmd_context & ctx, expr * arg) {
char const * get_usage() const override { return "<term> <term>"; }
char const * get_descr(cmd_context & ctx) const override { return "return true if the first term is smaller than the second one in the internal Z3 total order on terms."; }
unsigned get_arity() const override { return 2; }
void prepare(cmd_context & ctx) override { m_t1 = 0; }
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override { return CPK_EXPR; }
void set_next_arg(cmd_context & ctx, expr * arg) override {
if (m_t1 == 0)
m_t1 = arg;
else
m_t2 = arg;
}
virtual void execute(cmd_context & ctx) {
void execute(cmd_context & ctx) override {
bool r = lt(m_t1, m_t2);
ctx.regular_stream() << (r ? "true" : "false") << std::endl;
}
@ -283,23 +283,23 @@ protected:
ptr_vector<expr> m_args;
public:
instantiate_cmd_core(char const * name):cmd(name) {}
virtual char const * get_usage() const { return "<quantifier> (<symbol>*)"; }
virtual char const * get_descr(cmd_context & ctx) const { return "instantiate the quantifier using the given expressions."; }
virtual unsigned get_arity() const { return 2; }
virtual void prepare(cmd_context & ctx) { m_q = 0; m_args.reset(); }
char const * get_usage() const override { return "<quantifier> (<symbol>*)"; }
char const * get_descr(cmd_context & ctx) const override { return "instantiate the quantifier using the given expressions."; }
unsigned get_arity() const override { return 2; }
void prepare(cmd_context & ctx) override { m_q = 0; m_args.reset(); }
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const {
cmd_arg_kind next_arg_kind(cmd_context & ctx) const override {
if (m_q == 0) return CPK_EXPR;
else return CPK_EXPR_LIST;
}
virtual void set_next_arg(cmd_context & ctx, expr * s) {
void set_next_arg(cmd_context & ctx, expr * s) override {
if (!is_quantifier(s))
throw cmd_exception("invalid command, quantifier expected.");
m_q = to_quantifier(s);
}
virtual void set_next_arg(cmd_context & ctx, unsigned num, expr * const * ts) {
void set_next_arg(cmd_context & ctx, unsigned num, expr * const * ts) override {
if (num != m_q->get_num_decls())
throw cmd_exception("invalid command, mismatch between the number of quantified variables and the number of arguments.");
unsigned i = num;
@ -315,7 +315,7 @@ public:
m_args.append(num, ts);
}
virtual void execute(cmd_context & ctx) {
void execute(cmd_context & ctx) override {
expr_ref r(ctx.m());
instantiate(ctx.m(), m_q, m_args.c_ptr(), r);
ctx.display(ctx.regular_stream(), r);
@ -332,9 +332,9 @@ class instantiate_nested_cmd : public instantiate_cmd_core {
public:
instantiate_nested_cmd():instantiate_cmd_core("dbg-instantiate-nested") {}
virtual char const * get_descr(cmd_context & ctx) const { return "instantiate the quantifier nested in the outermost quantifier, this command is used to test the instantiation procedure with quantifiers that contain free variables."; }
char const * get_descr(cmd_context & ctx) const override { return "instantiate the quantifier nested in the outermost quantifier, this command is used to test the instantiation procedure with quantifiers that contain free variables."; }
virtual void set_next_arg(cmd_context & ctx, expr * s) {
void set_next_arg(cmd_context & ctx, expr * s) override {
instantiate_cmd_core::set_next_arg(ctx, s);
if (!is_quantifier(m_q->get_expr()))
throw cmd_exception("invalid command, nested quantifier expected");
@ -345,11 +345,11 @@ public:
class print_dimacs_cmd : public cmd {
public:
print_dimacs_cmd():cmd("display-dimacs") {}
virtual char const * get_usage() const { return ""; }
virtual char const * get_descr(cmd_context & ctx) const { return "print benchmark in DIMACS format"; }
virtual unsigned get_arity() const { return 0; }
virtual void prepare(cmd_context & ctx) {}
virtual void execute(cmd_context & ctx) { ctx.display_dimacs(); }
char const * get_usage() const override { return ""; }
char const * get_descr(cmd_context & ctx) const override { return "print benchmark in DIMACS format"; }
unsigned get_arity() const override { return 0; }
void prepare(cmd_context & ctx) override {}
void execute(cmd_context & ctx) override { ctx.display_dimacs(); }
};