96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
/*****************************************************************************
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* Copyright (c) 2020, rrcc FM10K-Documentation Contributors
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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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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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 OWNER 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 "Linker.h"
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void Linker::addFromParser(const Parser &p) {
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for (auto &fn : p.getTree()) {
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addFunction(fn);
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}
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for (auto &v : p.getVariables()) {
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variables[v.first] = v.second;
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}
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for (auto &v : p.getReservations()) {
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reservations[v.first] = v.second;
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}
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}
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void Linker::addFunction(const Function &f) {
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for (auto &fn : functions) {
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if (fn.label == f.label) {
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fn = f;
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return;
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}
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}
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functions.push_back(f);
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}
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void Linker::addVariable(const std::string &k, const std::vector<Token> &v) {
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variables[k] = v;
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}
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std::string Linker::getTextConstant(const std::string &name, const std::string &defaultValue, bool throwOnNotFound) const {
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if(getVariables().find(name) == getVariables().end()){
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if(throwOnNotFound){
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throw std::runtime_error(name + " is not defined");
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}
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return defaultValue;
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}
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for(auto& t : getVariables().at(name)){
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return t.getTextValue();
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}
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if(throwOnNotFound){
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throw std::runtime_error(name + " is not set properly");
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}
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return defaultValue;
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}
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uint32_t Linker::getIntegerConstant(const std::string &name, uint32_t defaultValue, bool throwOnNotFound) const {
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if(getVariables().find(name) == getVariables().end()){
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if(throwOnNotFound){
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throw std::runtime_error(name + " is not defined");
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}
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return defaultValue;
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}
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for(auto& t : getVariables().at(name)){
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if(t.getType() == Token::Type::Immediate || t.getType() == Token::Type::RegisterLocation || t.getType() == Token::Type::CodeLocation){
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return t.getNumericValue();
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}
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}
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if(throwOnNotFound){
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throw std::runtime_error(name + " is not set properly");
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}
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return defaultValue;
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}
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void Linker::addReservation(uint32_t a, const std::string &v) {
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if(getReservations().find(a) != getReservations().end()){
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throw std::runtime_error(v + " already reserved as " + getReservations().at(a));
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}
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reservations[a] = v;
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}
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