Add KBOOT.

apps/elftosb/common/EvalContext.cpp

@@ -0,0 +1,110 @@
+/*
+ * File:	EvalContext.h
+ *
+ * Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
+ * See included license file for license details.
+ */
+
+#include "EvalContext.h"
+#include <stdexcept>
+#include "format_string.h"
+
+using namespace elftosb;
+
+EvalContext::EvalContext()
+    : m_sourcesManager(0)
+{
+}
+
+EvalContext::~EvalContext()
+{
+}
+
+bool EvalContext::isVariableDefined(const std::string &name)
+{
+    variable_map_t::const_iterator it = m_variables.find(name);
+    return it != m_variables.end();
+}
+
+uint32_t EvalContext::getVariableValue(const std::string &name)
+{
+    variable_map_t::const_iterator it = m_variables.find(name);
+    if (it == m_variables.end())
+    {
+        throw std::runtime_error(format_string("undefined variable '%s'", name.c_str()));
+    }
+
+    return it->second.m_value;
+}
+
+int_size_t EvalContext::getVariableSize(const std::string &name)
+{
+    variable_map_t::const_iterator it = m_variables.find(name);
+    if (it == m_variables.end())
+    {
+        throw std::runtime_error(format_string("undefined variable '%s'", name.c_str()));
+    }
+
+    return it->second.m_size;
+}
+
+void EvalContext::setVariable(const std::string &name, uint32_t value, int_size_t size)
+{
+    // check if var is locked
+    variable_map_t::const_iterator it = m_variables.find(name);
+    if (it != m_variables.end() && it->second.m_isLocked)
+    {
+        return;
+    }
+
+    // set var info
+    variable_info_t info;
+    info.m_value = value;
+    info.m_size = size;
+    info.m_isLocked = false;
+    m_variables[name] = info;
+}
+
+bool EvalContext::isVariableLocked(const std::string &name)
+{
+    variable_map_t::const_iterator it = m_variables.find(name);
+    if (it == m_variables.end())
+    {
+        throw std::runtime_error(format_string("undefined variable '%s'", name.c_str()));
+    }
+
+    return it->second.m_isLocked;
+}
+
+void EvalContext::lockVariable(const std::string &name)
+{
+    variable_map_t::iterator it = m_variables.find(name);
+    if (it == m_variables.end())
+    {
+        throw std::runtime_error(format_string("undefined variable '%s'", name.c_str()));
+    }
+
+    it->second.m_isLocked = true;
+}
+
+void EvalContext::unlockVariable(const std::string &name)
+{
+    variable_map_t::iterator it = m_variables.find(name);
+    if (it == m_variables.end())
+    {
+        throw std::runtime_error("undefined variable");
+    }
+
+    it->second.m_isLocked = false;
+}
+
+void EvalContext::dump()
+{
+    variable_map_t::iterator it = m_variables.begin();
+    for (; it != m_variables.end(); ++it)
+    {
+        variable_info_t &info = it->second;
+        const char *lockedString = info.m_isLocked ? "locked" : "unlocked";
+        printf("%s = %u:%d (%s)\n", it->first.c_str(), info.m_value, (int)info.m_size, lockedString);
+    }
+}