From 54ac86405049364df763e8ce002cf7aed4b69bed Mon Sep 17 00:00:00 2001
From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Mon, 15 Jul 2019 14:46:09 +0200
Subject: Move fixmatheval to initial directory for assembler library.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
---
 qtmips_asm/fixmatheval.h | 126 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 qtmips_asm/fixmatheval.h

(limited to 'qtmips_asm/fixmatheval.h')

diff --git a/qtmips_asm/fixmatheval.h b/qtmips_asm/fixmatheval.h
new file mode 100644
index 0000000..3312bfa
--- /dev/null
+++ b/qtmips_asm/fixmatheval.h
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*******************************************************************************
+ * QtMips - MIPS 32-bit Architecture Subset Simulator
+ *
+ * Implemented to support following courses:
+ *
+ *   B35APO - Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b35apo
+ *
+ *   B4M35PAP - Advanced Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
+ *
+ * Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
+ * Copyright (c) 2019      Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ *
+ * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+ * Czech Technical University        (http://www.cvut.cz/)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ ******************************************************************************/
+
+#ifndef  FIXMATHEVAL_H
+#define  FIXMATHEVAL_H
+
+#include  <QString>
+
+namespace fixmatheval {
+
+typedef std::int64_t FmeValue;
+
+class FmeSymbolDb {
+public:
+    virtual ~FmeSymbolDb();
+    virtual bool getValue(FmeValue &value, QString name) = 0;
+};
+
+class FmeNode {
+public:
+    FmeNode(int priority);
+    virtual ~FmeNode();
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) = 0;
+    virtual bool insert(FmeNode *node);
+    virtual FmeNode *child();
+    virtual QString dump() = 0;
+    int priority();
+private:
+    int prio;
+};
+
+class FmeNodeConstant : public FmeNode {
+public:
+    FmeNodeConstant(FmeValue value);
+    virtual ~FmeNodeConstant();
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
+    virtual QString dump() override;
+private:
+    FmeValue value;
+};
+
+class FmeNodeSymbol : public FmeNode {
+public:
+    FmeNodeSymbol(QString &name);
+    virtual ~FmeNodeSymbol();
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
+    virtual QString dump() override;
+private:
+    QString name;
+};
+
+class FmeNodeUnaryOp : public FmeNode {
+public:
+    FmeNodeUnaryOp(int priority, FmeValue (*op)(FmeValue &a));
+    virtual ~FmeNodeUnaryOp();
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
+    virtual bool insert(FmeNode *node) override;
+    virtual FmeNode *child() override;
+    virtual QString dump() override;
+private:
+    FmeValue (*op)(FmeValue &a);
+    FmeNode *operand_a;
+};
+
+class FmeNodeBinaryOp : public FmeNode {
+public:
+    FmeNodeBinaryOp(int priority, FmeValue (*op)(FmeValue &a, FmeValue &b), FmeNode *left);
+    virtual ~FmeNodeBinaryOp();
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
+    virtual bool insert(FmeNode *node) override;
+    virtual FmeNode *child() override;
+    virtual QString dump() override;
+private:
+    FmeValue (*op)(FmeValue &a, FmeValue &b);
+    FmeNode *operand_a;
+    FmeNode *operand_b;
+};
+
+class FmeExpression : public FmeNode {
+public:
+    FmeExpression();
+    virtual ~FmeExpression();
+    virtual bool parse(const QString &expression, QString &error);
+    virtual bool eval(FmeValue &value, FmeSymbolDb *symdb, QString &error) override;
+    virtual bool insert(FmeNode *node) override;
+    virtual FmeNode *child() override;
+    virtual QString dump() override;
+private:
+    FmeNode *root;
+};
+
+}
+
+#endif /*FIXMATHEVAL*/
-- 
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