115 lines
4.4 KiB
C++
115 lines
4.4 KiB
C++
/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "VariablesModel.h"
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GUI::ModelIndex VariablesModel::index(int row, int column, const GUI::ModelIndex& parent_index) const
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{
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if (!parent_index.is_valid())
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return create_index(row, column, &m_variables[row]);
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auto* parent = static_cast<const DebugInfo::VariableInfo*>(parent_index.internal_data());
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auto* child = &parent->members[row];
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return create_index(row, column, child);
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}
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GUI::ModelIndex VariablesModel::parent_index(const GUI::ModelIndex& index) const
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{
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if (!index.is_valid())
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return {};
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auto* child = static_cast<const DebugInfo::VariableInfo*>(index.internal_data());
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auto* parent = child->parent;
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if (parent == nullptr)
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return {};
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if (parent->parent == nullptr) {
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for (size_t row = 0; row < m_variables.size(); row++)
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if (m_variables.ptr_at(row).ptr() == parent)
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return create_index(row, 0, parent);
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ASSERT_NOT_REACHED();
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}
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for (size_t row = 0; row < parent->parent->members.size(); row++) {
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DebugInfo::VariableInfo* child_at_row = parent->parent->members.ptr_at(row).ptr();
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if (child_at_row == parent)
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return create_index(row, 0, parent);
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}
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ASSERT_NOT_REACHED();
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}
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int VariablesModel::row_count(const GUI::ModelIndex& index) const
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{
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if (!index.is_valid())
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return m_variables.size();
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auto* node = static_cast<const DebugInfo::VariableInfo*>(index.internal_data());
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return node->members.size();
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}
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String variable_value_as_string(const DebugInfo::VariableInfo& variable)
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{
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if (variable.location_type != DebugInfo::VariableInfo::LocationType::Address)
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return "N/A";
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auto variable_address = variable.location_data.address;
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if (variable.type == "int") {
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auto value = Debugger::the().session()->peek((u32*)variable_address);
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ASSERT(value.has_value());
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return String::format("%d", static_cast<int>(value.value()));
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}
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if (variable.type == "char") {
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auto value = Debugger::the().session()->peek((u32*)variable_address);
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ASSERT(value.has_value());
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return String::format("'%c' (%d)", static_cast<char>(value.value()), static_cast<char>(value.value()));
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}
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return String::format("type: %s @ %08x, ", variable.type.characters(), variable_address);
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}
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GUI::Variant VariablesModel::data(const GUI::ModelIndex& index, Role role) const
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{
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auto* variable = static_cast<const DebugInfo::VariableInfo*>(index.internal_data());
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switch (role) {
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case Role::Display: {
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auto value_as_string = variable_value_as_string(*variable);
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return String::format("%s: %s", variable->name.characters(), value_as_string.characters());
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}
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case Role::Icon:
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return m_variable_icon;
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default:
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return {};
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}
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}
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void VariablesModel::update()
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{
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did_update();
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}
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RefPtr<VariablesModel> VariablesModel::create(const PtraceRegisters& regs)
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{
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auto variables = Debugger::the().session()->debug_info().get_variables_in_current_scope(regs);
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return adopt(*new VariablesModel(move(variables), regs));
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}
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