274 lines
7.3 KiB
C++
274 lines
7.3 KiB
C++
#include "libsyntax.h"
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#include "ast_basic.h"
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#include <tuple>
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#include <QDebug>
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using namespace lib_syntax;
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using namespace std;
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using namespace lib_token;
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using namespace lib_words;
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using namespace ast_basic;
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Any::Any(const QList<std::shared_ptr<const IBasicRule>> mbrs) : mbrs_store(mbrs) { }
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QList<std::shared_ptr<const IBasicRule>> Any::children() const {
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return mbrs_store;
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}
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QList<std::shared_ptr<const MatchCursor>> Any::parse(std::shared_ptr<const MatchCursor> cursor) const {
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if (cursor->mustStop())
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return QList<std::shared_ptr<const MatchCursor>>() << cursor;
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QList<std::shared_ptr<const MatchCursor>> result_list;
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for (auto rx : this->children())
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result_list.append(rx->parse(cursor));
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return result_list;
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}
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QString Any::present() const {
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QString members_content;
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for (auto& it : children()) {
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members_content += it->present() + u8"|";
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}
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return members_content.mid(0, members_content.size() - 1);
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}
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Seqs::Seqs(const QList<std::shared_ptr<const IBasicRule>> mbrs) : mbrs_store(mbrs) { }
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QList<std::shared_ptr<const IBasicRule>> Seqs::children() const {
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return mbrs_store;
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}
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QList<std::shared_ptr<const MatchCursor>> Seqs::parse(std::shared_ptr<const MatchCursor> cursor) const {
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if (cursor->mustStop())
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return QList<std::shared_ptr<const MatchCursor>>() << cursor;
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QList<std::shared_ptr<const MatchCursor>> results;
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QList<std::shared_ptr<const MatchCursor>> bridge_list{ cursor };
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for (auto rule : this->children()) {
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QList<std::shared_ptr<const MatchCursor>> current_result;
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std::for_each(bridge_list.begin(), bridge_list.end(),
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[&](std::shared_ptr<const MatchCursor> vcurs) {
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if (vcurs->mustStop())
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results.push_back(vcurs);
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else {
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current_result.append(rule->parse(vcurs));
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}
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});
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bridge_list = current_result;
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}
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results.append(bridge_list);
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return results;
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}
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QString Seqs::present() const {
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QString content;
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for (auto& it : children())
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content += it->present() + " ";
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return content.mid(0, content.size() - 1);
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}
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Rept::Rept(std::shared_ptr<const IBasicRule> rule, int min, int max)
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: rule_peer(rule), min_match(min), max_match(max) { }
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QList<std::shared_ptr<const IBasicRule>> Rept::children() const {
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return QList<std::shared_ptr<const IBasicRule>>() << rule_peer;
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}
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QList<std::shared_ptr<const MatchCursor>> Rept::parse(std::shared_ptr<const MatchCursor> cursor) const {
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if (cursor->mustStop())
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return QList<std::shared_ptr<const MatchCursor>>() << cursor;
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QList<std::shared_ptr<const MatchCursor>> results;
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QList<std::shared_ptr<const MatchCursor>> bridge_list{ cursor };
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// <20><>С<EFBFBD>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD><EFBFBD>ƥ<EFBFBD><C6A5>
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for (auto idx = 0; idx < min_match; ++idx) {
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QList<std::shared_ptr<const MatchCursor>> current_list;
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// <20><><EFBFBD><EFBFBD>ÿһ<C3BF>ο<EFBFBD><CEBF><EFBFBD>ƥ<EFBFBD><C6A5>
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std::for_each(bridge_list.begin(), bridge_list.end(),
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[&](std::shared_ptr<const MatchCursor> curs) {
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if (curs->mustStop())
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results.push_back(curs);
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else {
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current_list.append(this->rule_peer->parse(curs));
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}
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});
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bridge_list = current_list;
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}
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// <20>鲢ʧ<E9B2A2>ܷ<EFBFBD>֧
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std::copy_if(bridge_list.begin(), bridge_list.end(), std::back_inserter(results),
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[&](std::shared_ptr<const MatchCursor> ins) { return ins->mustStop(); });
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// <20><><EFBFBD><EFBFBD>ƥ<EFBFBD><C6A5>ʧ<EFBFBD>ܷ<EFBFBD>֧
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for (auto idx = 0; idx < bridge_list.size(); ++idx)
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if (bridge_list.at(idx)->mustStop())
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bridge_list.removeAt(idx--);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Сƥ<D0A1><C6A5>
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if (!bridge_list.size())
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return results;
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// <20><><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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for (auto idx = min_match; idx < max_match; ++idx) {
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QList<std::shared_ptr<const MatchCursor>> current_list;
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// ƥ<><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>
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std::for_each(bridge_list.begin(), bridge_list.end(),
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[&](std::shared_ptr<const MatchCursor> ins) {
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current_list.append(this->rule_peer->parse(ins));
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});
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// <20>Ƴ<EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD>֧
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for (auto idx = 0; idx < current_list.size(); ++idx) {
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auto rst_branch = current_list.at(idx);
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if (rst_branch->mustStop() && rst_branch->currentWords()) {
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results.append(rst_branch->previous());
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current_list.removeAt(idx--);
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}
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if (rst_branch->mustStop() && !rst_branch->currentWords()) {
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results.append(rst_branch);
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current_list.removeAt(idx--);
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}
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}
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if (!current_list.size())
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break;
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bridge_list = current_list;
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}
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results.append(bridge_list);
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return results;
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}
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QString Rept::present() const {
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if (min_match == 0 && max_match == INT_MAX)
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return u8"(" + this->rule_peer->present() + QString(u8")*");
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else if (min_match == 1 && max_match == INT_MAX)
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return u8"(" + this->rule_peer->present() + QString(u8")+");
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else if (min_match == 0 && max_match == 1)
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return u8"(" + this->rule_peer->present() + QString(u8")?");
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return u8"(" + this->rule_peer->present() + QString(u8"){%1, %2}").arg(min_match).arg(max_match);
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}
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SyntaxException::SyntaxException(const QString& message) {
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this->msg_store = message;
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}
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QString SyntaxException::message() const {
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return msg_store;
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}
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ExprRule::ExprRule(const QString& rule_name, int expr_mark)
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: name_store(rule_name), mark_store(expr_mark) { }
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std::shared_ptr<const ExprRule> ExprRule::reloadRule(std::shared_ptr<const IBasicRule> rule) const {
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auto ninst = this->make_copy();
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ninst->child_store = rule;
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return ninst;
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}
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QString ExprRule::name() const {
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return name_store;
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}
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int ExprRule::typeMark() const {
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return this->mark_store;
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}
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QList<std::shared_ptr<const IBasicRule>> ExprRule::children() const {
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return QList<std::shared_ptr<const IBasicRule>>() << this->child_store;
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}
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#include <ast_novel.h>
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QString ExprRule::present() const {
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return child_store->present();
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}
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MatchCursor::MatchCursor(const QString& path) :_file_path(path) { }
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MatchCursor::MatchCursor(std::shared_ptr<const MatchCursor> other_ptr)
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: _prev_cursor(other_ptr),
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_file_path(other_ptr->_file_path),
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_total_errors(other_ptr->_total_errors),
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_exprs_errors(other_ptr->_exprs_errors),
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_current_token(other_ptr->_current_token),
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_remains_word(other_ptr->_remains_word) { }
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std::shared_ptr<const MatchCursor> MatchCursor::previous() const {
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return _prev_cursor;
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}
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QString MatchCursor::filePath() const {
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return _file_path;
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}
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void MatchCursor::enterExprs() {
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auto new_expr = std::make_shared<ErrsPack>();
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this->_exprs_errors.push_back(new_expr);
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}
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void MatchCursor::logExprsError(const QString& msg) {
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this->_total_errors.push_back(msg);
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this->_exprs_errors.last()->addError(msg);
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}
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void MatchCursor::quitExprs() {
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this->_exprs_errors.pop_back();
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}
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bool MatchCursor::mustStop() const {
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return exprsErrorCount() >= 2 || parse_stop();
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}
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int MatchCursor::exprsErrorCount() const {
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if (this->_exprs_errors.size())
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return this->_exprs_errors.last()->errorCount();
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return 0;
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}
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int MatchCursor::totalErrorCount() const {
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return this->_total_errors.size();
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}
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QList<QString> MatchCursor::totalErrors() const {
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return this->_total_errors;
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}
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void MatchCursor::setCurrent(std::shared_ptr<const IActionToken> t, std::shared_ptr<const IPrimitiveWord> remains) {
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this->_current_token = t;
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this->_remains_word = remains;
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}
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std::shared_ptr<const IActionToken> MatchCursor::currentToken() const {
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return this->_current_token;
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}
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std::shared_ptr<const IPrimitiveWord> MatchCursor::currentWords() const {
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return this->_remains_word;
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}
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bool lib_syntax::MatchCursor::parse_stop() const {
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return !currentWords();
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}
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void MatchCursor::ErrsPack::addError(const QString& msg) {
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this->_error_collection.append(msg);
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}
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QList<QString> MatchCursor::ErrsPack::errors() const {
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return _error_collection;
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}
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uint64_t MatchCursor::ErrsPack::errorCount() const {
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return _error_collection.size();
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}
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