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author Spartan322 <Megacake1234@gmail.com>2023-07-25 02:24:01 +0200
committer Spartan322 <Megacake1234@gmail.com>2023-07-26 23:54:58 +0200
commitbe1d0545c2f7a85a63d05b4bdc1020ee284e72cb (patch)
tree09cb0fa0a1dbe83d4833bcd62dc8832161e4329b /src/openvic-dataloader
parent65443efcc2f4c7d687b2bd9c631f6bb426688bbf (diff)
Initial structural commit
Diffstat (limited to 'src/openvic-dataloader')
-rw-r--r--src/openvic-dataloader/ovscript/.gitkeep0
-rw-r--r--src/openvic-dataloader/v2script/Grammar.cpp74
2 files changed, 74 insertions, 0 deletions
diff --git a/src/openvic-dataloader/ovscript/.gitkeep b/src/openvic-dataloader/ovscript/.gitkeep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/openvic-dataloader/ovscript/.gitkeep
diff --git a/src/openvic-dataloader/v2script/Grammar.cpp b/src/openvic-dataloader/v2script/Grammar.cpp
new file mode 100644
index 0000000..ec9fac2
--- /dev/null
+++ b/src/openvic-dataloader/v2script/Grammar.cpp
@@ -0,0 +1,74 @@
+#include <lexy/dsl.hpp>
+#include <openvic-dataloader/v2script/Parser.hpp>
+
+using namespace ovdl::v2script;
+
+// Node Definitions //
+namespace dsl = lexy::dsl;
+
+namespace ovdl::v2script::nodes {
+ struct StatementListBlock;
+
+ static constexpr auto whitespace_specifier = dsl::code_point.range<0x09, 0x0A>() / dsl::lit_cp<0x0D> / dsl::lit_cp<0x20>;
+ static constexpr auto comment_specifier = LEXY_LIT("#") >> dsl::until(dsl::newline).or_eof();
+
+ static constexpr auto data_specifier =
+ dsl::ascii::alpha_digit_underscore /
+ dsl::code_point.range<0x25, 0x27>() / dsl::lit_cp<0x2B> / dsl::code_point.range<0x2D, 0x2E>() /
+ dsl::lit_cp<0x3A> /
+ dsl::lit_cp<0x8A> / dsl::lit_cp<0x8C> / dsl::lit_cp<0x8E> /
+ dsl::lit_cp<0x92> / dsl::lit_cp<0x9A> / dsl::lit_cp<0x9C> / dsl::code_point.range<0x9E, 0x9F>() /
+ dsl::code_point.range<0xC0, 0xD6>() / dsl::code_point.range<0xD8, 0xF6>() / dsl::code_point.range<0xF8, 0xFF>();
+
+ static constexpr auto data_char_class = LEXY_CHAR_CLASS("DataSpecifier", data_specifier);
+
+ struct Identifier {
+ static constexpr auto rule = dsl::identifier(data_char_class);
+ };
+
+ struct StringExpression {
+ static constexpr auto escaped_symbols = lexy::symbol_table<char> //
+ .map<'"'>('"')
+ .map<'\''>('\'')
+ .map<'\\'>('\\')
+ .map<'/'>('/')
+ .map<'b'>('\b')
+ .map<'f'>('\f')
+ .map<'n'>('\n')
+ .map<'r'>('\r')
+ .map<'t'>('\t');
+ static constexpr auto rule = [] {
+ // Arbitrary code points that aren't control characters.
+ auto c = -dsl::unicode::control;
+
+ // Escape sequences start with a backlash.
+ // They either map one of the symbols,
+ // or a Unicode code point of the form uXXXX.
+ auto escape = dsl::backslash_escape //
+ .symbol<escaped_symbols>()
+ .rule(dsl::lit_c<'u'> >> dsl::code_point_id<4>);
+ return dsl::quoted(c, escape);
+ }();
+ };
+
+ struct AssignmentStatement {
+ static constexpr auto rule = dsl::p<Identifier> >>
+ (dsl::equal_sign >>
+ (dsl::p<Identifier> | dsl::p<StringExpression> | dsl::recurse_branch<StatementListBlock>) |
+ dsl::else_ >> dsl::return_);
+ };
+
+ struct StatementListBlock {
+ static constexpr auto rule =
+ dsl::curly_bracketed.open() >>
+ dsl::opt(dsl::list(dsl::p<AssignmentStatement>)) + dsl::opt(dsl::semicolon) +
+ dsl::curly_bracketed.close();
+ };
+
+ struct File {
+ // Allow arbitrary spaces between individual tokens.
+ static constexpr auto whitespace = whitespace_specifier | comment_specifier;
+
+ static constexpr auto rule = dsl::terminator(dsl::eof).list(dsl::p<AssignmentStatement>);
+ };
+}