summaryrefslogtreecommitdiff
path: root/src/ast
diff options
context:
space:
mode:
Diffstat (limited to 'src/ast')
-rw-r--r--src/ast/quest.cpp125
-rw-r--r--src/ast/quest.hpp65
2 files changed, 190 insertions, 0 deletions
diff --git a/src/ast/quest.cpp b/src/ast/quest.cpp
new file mode 100644
index 0000000..bd339c2
--- /dev/null
+++ b/src/ast/quest.cpp
@@ -0,0 +1,125 @@
+#include "quest.hpp"
+// ast/quest.cpp - Structure of tmwa questdb
+//
+// Copyright © 2015 Ed Pasek <pasekei@gmail.com>
+//
+// This file is part of The Mana World (Athena server)
+//
+// 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 3 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, see <http://www.gnu.org/licenses/>.
+
+#include "../io/extract.hpp"
+#include "../io/line.hpp"
+
+#include "../mmo/extract_enums.hpp"
+
+#include "../poison.hpp"
+
+
+namespace tmwa
+{
+namespace ast
+{
+namespace quest
+{
+ using io::respan;
+
+ static
+ void skip_comma_space(io::LineCharReader& lr)
+ {
+ io::LineChar c;
+ if (lr.get(c) && c.ch() == ',')
+ {
+ lr.adv();
+ while (lr.get(c) && c.ch() == ' ')
+ {
+ lr.adv();
+ }
+ }
+ }
+ static
+ Option<Spanned<RString>> lex_nonscript(io::LineCharReader& lr, bool first)
+ {
+ io::LineChar c;
+ if (first)
+ {
+ while (lr.get(c) && c.ch() == '\n')
+ {
+ lr.adv();
+ }
+ }
+ if (!lr.get(c))
+ {
+ return None;
+ }
+ io::LineSpan span;
+ MString accum;
+ accum += c.ch();
+ span.begin = c;
+ span.end = c;
+ lr.adv();
+ if (c.ch() != '/')
+ first = false;
+
+ if (first && lr.get(c) && c.ch() == '/')
+ {
+ accum += c.ch();
+ span.end = c;
+ lr.adv();
+ while (lr.get(c) && c.ch() != '\n')
+ {
+ accum += c.ch();
+ span.end = c;
+ lr.adv();
+ }
+ return Some(respan(span, RString(accum)));
+ }
+
+ while (lr.get(c) && c.ch() != ',' && c.ch() != '\n')
+ {
+ accum += c.ch();
+ span.end = c;
+ lr.adv();
+ }
+ skip_comma_space(lr);
+ return Some(respan(span, RString(accum)));
+ }
+
+#define SPAN_EXTRACT(bitexpr, var) ({ auto bit = bitexpr; if (!extract(bit.data, &var.data)) return Err(bit.span.error_str("failed to extract "_s #var)); var.span = bit.span; })
+
+#define EOL_ERROR(lr) ({ io::LineChar c; lr.get(c) ? Err(c.error_str("unexpected EOL"_s)) : Err("unexpected EOF before unexpected EOL"_s); })
+ Option<Result<QuestOrComment>> parse_quest(io::LineCharReader& lr)
+ {
+ Spanned<RString> first = TRY_UNWRAP(lex_nonscript(lr, true), return None);
+ if (first.data.startswith("//"_s))
+ {
+ Comment comment;
+ comment.comment = first.data;
+ QuestOrComment rv = std::move(comment);
+ rv.span = first.span;
+ return Some(Ok(std::move(rv)));
+ }
+ Quest quest;
+ SPAN_EXTRACT(first, quest.questid);
+ SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), quest.quest_var);
+ SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), quest.quest_vr);
+ SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), quest.quest_shift);
+ SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), quest.quest_mask);
+ QuestOrComment rv = std::move(quest);
+ rv.span.begin = quest.questid.span.begin;
+ rv.span.end = quest.quest_mask.span.end;
+ return Some(Ok(std::move(rv)));
+ }
+} // namespace quest
+} // namespace ast
+} // namespace tmwa
diff --git a/src/ast/quest.hpp b/src/ast/quest.hpp
new file mode 100644
index 0000000..5112524
--- /dev/null
+++ b/src/ast/quest.hpp
@@ -0,0 +1,65 @@
+#pragma once
+// ast/quest.hpp - Structure of tmwa questdb
+//
+// Copyright © 2015 Ed Pasek <pasekei@gmail.com>
+//
+// This file is part of The Mana World (Athena server)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include "fwd.hpp"
+
+#include "../compat/result.hpp"
+
+#include "../io/span.hpp"
+
+#include "../sexpr/variant.hpp"
+
+#include "../mmo/clif.t.hpp"
+#include "../mmo/ids.hpp"
+#include "../mmo/strs.hpp"
+
+namespace tmwa
+{
+namespace ast
+{
+namespace quest
+{
+ using io::Spanned;
+
+ struct Comment
+ {
+ RString comment;
+ };
+ struct Quest
+ {
+ Spanned<QuestId> questid;
+ Spanned<VarName> quest_var;
+ Spanned<VarName> quest_vr;
+ Spanned<int> quest_shift;
+ Spanned<int> quest_mask;
+ };
+
+ using QuestOrCommentBase = Variant<Comment, Quest>;
+ struct QuestOrComment : QuestOrCommentBase
+ {
+ QuestOrComment(Comment o) : QuestOrCommentBase(std::move(o)) {}
+ QuestOrComment(Quest o) : QuestOrCommentBase(std::move(o)) {}
+ io::LineSpan span;
+ };
+
+ Option<Result<QuestOrComment>> parse_quest(io::LineCharReader& lr);
+} // namespace quest
+} // namespace ast
+} // namespace tmwa