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64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*++
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Copyright (c) 2006 Microsoft Corporation
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Module Name:
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simple_parser.cpp
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Abstract:
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<abstract>
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Author:
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Leonardo de Moura (leonardo) 2008-06-14.
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Revision History:
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--*/
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#include "util/warning.h"
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#include "ast/arith_decl_plugin.h"
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#include "ast/ast_pp.h"
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#include "ast/well_sorted.h"
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#include "ast/cost_evaluator.h"
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#include "ast/reg_decl_plugins.h"
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#include "parsers/util/cost_parser.h"
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void tst_simple_parser() {
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ast_manager m;
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reg_decl_plugins(m);
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arith_util m_util(m);
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cost_parser p(m);
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var_ref_vector vs(m);
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cost_evaluator eval(m);
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p.add_var("x");
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p.add_var("y");
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expr_ref r(m);
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p.parse_string("(+ x (* y x))", r);
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TRACE("simple_parser", tout << mk_pp(r, m) << "\n";);
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p.parse_string("(+ x (* y x) x)", r);
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float vals[2] = { 2.0f, 3.0f };
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(void)vals;
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TRACE("simple_parser",
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tout << mk_pp(r, m) << "\n";
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tout << "val: " << eval(r, 2, vals) << "\n";);
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p.parse_string("(+ x (* y x) x", r); // << error
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p.parse_string("(x)", r); // << error
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p.parse_string("(+ x))", r); // <<< this is accepted
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TRACE("simple_parser", tout << mk_pp(r, m) << "\n";);
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p.parse_string(")x)", r); // error
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p.parse_string("(+ x (* 10 y) 2)", r);
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TRACE("simple_parser",
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tout << mk_pp(r, m) << "\n";
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tout << "val: " << eval(r, 2, vals) << "\n";);
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p.parse_string("(ite (and (> x 3) (<= y 4)) 2 10)", r);
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TRACE("simple_parser",
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tout << mk_pp(r, m) << "\n";
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tout << "val: " << eval(r, 2, vals) << "\n";);
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p.parse_string("(ite (or (> x 3) (<= y 4)) 2 10)", r);
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TRACE("simple_parser",
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tout << mk_pp(r, m) << "\n";
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tout << "val: " << eval(r, 2, vals) << "\n";);
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}
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