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author Hop311 <Hop3114@gmail.com>2023-10-12 21:24:19 +0200
committer GitHub <noreply@github.com>2023-10-12 21:24:19 +0200
commit92c67f318114771999a73b05659023b59b103e06 (patch)
tree13683fd58e9ef79e388fba9b3067cc1f5cc345ed /src/openvic-dataloader
parent4009e1d576ad177aff59c8fce0339963303fc6e5 (diff)
parent5aacd90c3ef565c5bcd3c337dfd444a8fccc03f8 (diff)
Merge pull request #24 from OpenVicProject/support/lua-defines
Add Lua Defines parsing
Diffstat (limited to 'src/openvic-dataloader')
-rw-r--r--src/openvic-dataloader/v2script/LuaDefinesGrammar.hpp112
-rw-r--r--src/openvic-dataloader/v2script/Parser.cpp23
2 files changed, 135 insertions, 0 deletions
diff --git a/src/openvic-dataloader/v2script/LuaDefinesGrammar.hpp b/src/openvic-dataloader/v2script/LuaDefinesGrammar.hpp
new file mode 100644
index 0000000..b64d0f9
--- /dev/null
+++ b/src/openvic-dataloader/v2script/LuaDefinesGrammar.hpp
@@ -0,0 +1,112 @@
+#pragma once
+
+#include <lexy/dsl.hpp>
+
+#include "SimpleGrammar.hpp"
+#include "detail/LexyLitRange.hpp"
+
+namespace ovdl::v2script::lua::grammar {
+ struct ParseOptions {
+ };
+
+ template<ParseOptions Options>
+ struct StatementListBlock;
+
+ static constexpr auto comment_specifier = LEXY_LIT("--") >> lexy::dsl::until(lexy::dsl::newline).or_eof();
+
+ template<ParseOptions Options>
+ struct Identifier {
+ static constexpr auto rule = lexy::dsl::identifier(lexy::dsl::ascii::alpha_underscore, lexy::dsl::ascii::alpha_digit_underscore);
+ static constexpr auto value = lexy::callback<ast::NodePtr>(
+ [](auto lexeme) {
+ std::string str(lexeme.data(), lexeme.size());
+ return ast::make_node_ptr<ast::IdentifierNode>(ast::NodeLocation { lexeme.begin(), lexeme.end() }, LEXY_MOV(str));
+ });
+ };
+
+ template<ParseOptions Options>
+ struct Value {
+ static constexpr auto rule = lexy::dsl::identifier(lexy::dsl::ascii::digit / lexy::dsl::lit_c<'.'> / lexy::dsl::lit_c<'-'>);
+ static constexpr auto value = lexy::callback<ast::NodePtr>(
+ [](auto lexeme) {
+ std::string str(lexeme.data(), lexeme.size());
+ return ast::make_node_ptr<ast::IdentifierNode>(ast::NodeLocation { lexeme.begin(), lexeme.end() }, LEXY_MOV(str));
+ });
+ };
+
+ template<ParseOptions Options>
+ struct String {
+ static constexpr auto rule = [] {
+ // Arbitrary code points that aren't control characters.
+ auto c = ovdl::detail::lexydsl::make_range<0x20, 0xFF>() - lexy::dsl::ascii::control;
+
+ return lexy::dsl::delimited(lexy::dsl::position(lexy::dsl::lit_b<'"'>))(c) | lexy::dsl::delimited(lexy::dsl::position(lexy::dsl::lit_b<'\''>))(c);
+ }();
+
+ static constexpr auto value =
+ lexy::as_string<std::string> >>
+ lexy::callback<ast::NodePtr>(
+ [](const char* begin, auto&& str, const char* end) {
+ return ast::make_node_ptr<ast::StringNode>(ast::NodeLocation::make_from(begin, end), LEXY_MOV(str));
+ });
+ };
+
+ template<ParseOptions Options>
+ struct Expression {
+ static constexpr auto rule = lexy::dsl::p<Value<Options>> | lexy::dsl::p<String<Options>>;
+ static constexpr auto value = lexy::forward<ast::NodePtr>;
+ };
+
+ template<ParseOptions Options>
+ struct AssignmentStatement {
+ static constexpr auto rule =
+ lexy::dsl::position(lexy::dsl::p<Identifier<Options>>) >>
+ lexy::dsl::equal_sign >>
+ (lexy::dsl::p<Expression<Options>> | lexy::dsl::recurse_branch<StatementListBlock<Options>>);
+
+ static constexpr auto value = lexy::callback<ast::NodePtr>(
+ [](const char* pos, auto name, lexy::nullopt = {}) {
+ return LEXY_MOV(name);
+ },
+ [](auto name, lexy::nullopt = {}) {
+ return LEXY_MOV(name);
+ },
+ [](const char* pos, auto name, auto&& initalizer) {
+ return ast::make_node_ptr<ast::AssignNode>(pos, LEXY_MOV(name), LEXY_MOV(initalizer));
+ });
+ };
+
+ template<ParseOptions Options>
+ struct StatementListBlock {
+ static constexpr auto rule =
+ lexy::dsl::position(lexy::dsl::curly_bracketed.open()) >>
+ lexy::dsl::opt(
+ lexy::dsl::list(
+ lexy::dsl::recurse_branch<AssignmentStatement<Options>>,
+ lexy::dsl::trailing_sep(lexy::dsl::lit_c<','>))) >>
+ lexy::dsl::position(lexy::dsl::curly_bracketed.close());
+
+ static constexpr auto value =
+ lexy::as_list<std::vector<ast::NodePtr>> >>
+ lexy::callback<ast::NodePtr>(
+ [](const char* begin, lexy::nullopt, const char* end) {
+ return ast::make_node_ptr<ast::ListNode>(ast::NodeLocation::make_from(begin, end));
+ },
+ [](const char* begin, auto&& list, const char* end) {
+ return ast::make_node_ptr<ast::ListNode>(ast::NodeLocation::make_from(begin, end), LEXY_MOV(list));
+ },
+ [](const char* begin, auto& list, const char* end) {
+ return ast::make_node_ptr<ast::ListNode>(ast::NodeLocation::make_from(begin, end), list);
+ });
+ };
+
+ template<ParseOptions Options = ParseOptions {}>
+ struct File {
+ // Allow arbitrary spaces between individual tokens.
+ static constexpr auto whitespace = ovdl::v2script::grammar::whitespace_specifier | comment_specifier;
+
+ static constexpr auto rule = lexy::dsl::position + lexy::dsl::terminator(lexy::dsl::eof).opt_list(lexy::dsl::p<AssignmentStatement<Options>>);
+
+ static constexpr auto value = lexy::as_list<std::vector<ast::NodePtr>> >> lexy::new_<ast::FileNode, ast::NodePtr>;
+ };
+} \ No newline at end of file
diff --git a/src/openvic-dataloader/v2script/Parser.cpp b/src/openvic-dataloader/v2script/Parser.cpp
index 9e74e32..d7e4106 100644
--- a/src/openvic-dataloader/v2script/Parser.cpp
+++ b/src/openvic-dataloader/v2script/Parser.cpp
@@ -31,6 +31,7 @@
#include "detail/Warnings.hpp"
#include "v2script/DecisionGrammar.hpp"
#include "v2script/EventGrammar.hpp"
+#include "v2script/LuaDefinesGrammar.hpp"
using namespace ovdl;
using namespace ovdl::v2script;
@@ -232,6 +233,28 @@ bool Parser::decision_parse() {
return true;
}
+bool Parser::lua_defines_parse() {
+ if (!_buffer_handler->is_valid()) {
+ return false;
+ }
+
+ if (_buffer_handler->is_exclusive_utf8()) {
+ _warnings.push_back(warnings::make_utf8_warning(_file_path));
+ }
+
+ auto errors = _buffer_handler->parse<lua::grammar::File<>>(ovdl::detail::ReporError.path(_file_path).to(detail::OStreamOutputIterator { _error_stream }));
+ if (errors) {
+ _errors.reserve(errors->size());
+ for (auto& err : errors.value()) {
+ _has_fatal_error |= err.type == ParseError::Type::Fatal;
+ _errors.push_back(err);
+ }
+ return false;
+ }
+ _file_node.reset(static_cast<ast::FileNode*>(_buffer_handler->get_root().release()));
+ return true;
+}
+
const FileNode* Parser::get_file_node() const {
return _file_node.get();
}