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https://github.com/Z3Prover/z3
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81 lines
3.5 KiB
C++
81 lines
3.5 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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cmd_util.h
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Abstract:
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Macros for definining new SMT2 front-end cmds.
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Author:
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Leonardo (leonardo) 2011-04-01
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Notes:
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--*/
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#ifndef _CMD_UTIL_H_
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#define _CMD_UTIL_H_
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#define ATOMIC_CMD(CLS_NAME, NAME, DESCR, ACTION) \
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class CLS_NAME : public cmd { \
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public: \
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CLS_NAME():cmd(NAME) {} \
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virtual char const * get_usage() const { return 0; } \
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virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
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virtual unsigned get_arity() const { return 0; } \
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virtual void execute(cmd_context & ctx) { ACTION } \
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};
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#define UNARY_CMD(CLS_NAME, NAME, USAGE, DESCR, ARG_KIND, ARG_TYPE, ACTION) \
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class CLS_NAME : public cmd { \
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public: \
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CLS_NAME():cmd(NAME) {} \
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virtual char const * get_usage() const { return USAGE; } \
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virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
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virtual unsigned get_arity() const { return 1; } \
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virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { return ARG_KIND; } \
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virtual void set_next_arg(cmd_context & ctx, ARG_TYPE arg) { ACTION } \
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}
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// Macro for creating commands where the first argument is a symbol
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// The second argument cannot be a symbol
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#define BINARY_SYM_CMD(CLS_NAME, NAME, USAGE, DESCR, ARG_KIND, ARG_TYPE, ACTION) \
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class CLS_NAME : public cmd { \
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symbol m_sym; \
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public: \
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CLS_NAME():cmd(NAME) {} \
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virtual char const * get_usage() const { return USAGE; } \
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virtual char const * get_descr(cmd_context & ctx) const { return DESCR; } \
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virtual unsigned get_arity() const { return 2; } \
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virtual void prepare(cmd_context & ctx) { m_sym = symbol::null; } \
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virtual cmd_arg_kind next_arg_kind(cmd_context & ctx) const { \
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return m_sym == symbol::null ? CPK_SYMBOL : ARG_KIND; \
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} \
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virtual void set_next_arg(cmd_context & ctx, symbol const & s) { m_sym = s; } \
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virtual void set_next_arg(cmd_context & ctx, ARG_TYPE arg) { ACTION } \
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};
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class ast;
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class expr;
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class symbol;
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class cmd_context;
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/**
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\brief Return the AST that is referenced by the global variable v in the given command context.
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*/
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ast * get_ast_ref(cmd_context & ctx, symbol const & v);
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/**
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\brief Return the expression that is referenced by the global variable v in the given command context.
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*/
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expr * get_expr_ref(cmd_context & ctx, symbol const & v);
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/**
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\brief Store t in the global variable v.
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*/
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void store_expr_ref(cmd_context & ctx, symbol const & v, expr * t);
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#endif
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