z3-z3-4.12.6.src.cmd_context.cmd_util.h Maven / Gradle / Ivy
/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
cmd_util.h
Abstract:
Macros for defining new SMT2 front-end cmds.
Author:
Leonardo (leonardo) 2011-04-01
Notes:
--*/
#pragma once
#define ATOMIC_CMD(CLS_NAME, NAME, DESCR, ACTION) \
class CLS_NAME : public cmd { \
public: \
CLS_NAME():cmd(NAME) {} \
virtual char const * get_usage() const { return 0; } \
virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
virtual unsigned get_arity() const { return 0; } \
virtual void execute(cmd_context & ctx) { ACTION } \
};
#define UNARY_CMD(CLS_NAME, NAME, USAGE, DESCR, ARG_KIND, ARG_TYPE, ACTION) \
class CLS_NAME : public cmd { \
public: \
CLS_NAME():cmd(NAME) {} \
virtual char const * get_usage() const { return USAGE; } \
virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
virtual unsigned get_arity() const { return 1; } \
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { return ARG_KIND; } \
virtual void set_next_arg(cmd_context & ctx, ARG_TYPE arg) { ACTION } \
}
// Macro for creating commands where the first argument is a symbol
// The second argument cannot be a symbol
#define BINARY_SYM_CMD(CLS_NAME, NAME, USAGE, DESCR, ARG_KIND, ARG_TYPE, ACTION) \
class CLS_NAME : public cmd { \
symbol m_sym; \
public: \
CLS_NAME():cmd(NAME) {} \
virtual char const * get_usage() const { return USAGE; } \
virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
virtual unsigned get_arity() const { return 2; } \
virtual void prepare(cmd_context & ctx) { m_sym = symbol::null; } \
virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { \
return m_sym == symbol::null ? CPK_SYMBOL : ARG_KIND; \
} \
virtual void set_next_arg(cmd_context & ctx, symbol const & s) { m_sym = s; } \
virtual void set_next_arg(cmd_context & ctx, ARG_TYPE arg) { ACTION } \
};
class ast;
class expr;
class symbol;
class cmd_context;
/**
\brief Return the AST that is referenced by the global variable v in the given command context.
*/
ast * get_ast_ref(cmd_context & ctx, symbol const & v);
/**
\brief Return the expression that is referenced by the global variable v in the given command context.
*/
expr * get_expr_ref(cmd_context & ctx, symbol const & v);
/**
\brief Store t in the global variable v.
*/
void store_expr_ref(cmd_context & ctx, symbol const & v, expr * t);