feat: finish ghostty pane backend integration

1 files changed, 201 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/pkg/oniguruma/errors.zig b/vendor/libghostty-vt/pkg/oniguruma/errors.zig
new file mode 100644
index 00000000..d63a481b
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/oniguruma/errors.zig
@@ -0,0 +1,201 @@
+const c = @import("c.zig").c;
+const Encoding = @import("types.zig").Encoding;
+
+/// Maximum error message length.
+pub const MAX_ERROR_LEN = c.ONIG_MAX_ERROR_MESSAGE_LEN;
+
+/// Convert an Oniguruma error to an error.
+pub fn convertError(code: c_int) !c_int {
+    if (code >= 0) return code;
+    inline for (error_code_map) |m| {
+        if (m[1] == code) return m[0];
+    }
+
+    return Error.Unknown;
+}
+
+/// Convert an error code to a string. buf must be at least
+/// MAX_ERROR_LEN bytes long.
+pub fn errorString(buf: []u8, code: c_int) ![]u8 {
+    const len = c.onig_error_code_to_str(buf.ptr, code);
+    return buf[0..@intCast(len)];
+}
+
+/// The Oniguruma error info type, matching the C type exactly.
+pub const ErrorInfo = extern struct {
+    encoding: *Encoding,
+    par: [*]u8,
+    par_end: [*]u8,
+};
+
+/// All possible Oniguruma errors.
+pub const Error = error{
+    Mismatch,
+    NoSupportConfig,
+    Abort,
+    Memory,
+    TypeBug,
+    ParserBug,
+    StackBug,
+    UndefinedBytecode,
+    UnexpectedBytecode,
+    MatchStackLimitOver,
+    ParseDepthLimitOver,
+    RetryLimitInMatchOver,
+    RetryLimitInSearchOver,
+    SubexpCallLimitInSearchOver,
+    DefaultEncodingIsNotSet,
+    SpecifiedEncodingCantConvertToWideChar,
+    FailToInitialize,
+    InvalidArgument,
+    EndPatternAtLeftBrace,
+    EndPatternAtLeftBracket,
+    EmptyCharClass,
+    PrematureEndOfCharClass,
+    EndPatternAtEscape,
+    EndPatternAtMeta,
+    EndPatternAtControl,
+    MetaCodeSyntax,
+    ControlCodeSyntax,
+    CharClassValueAtEndOfRange,
+    CharClassValueAtStartOfRange,
+    UnmatchedRangeSpecifierInCharClass,
+    TargetOfRepeatOperatorNotSpecified,
+    TargetOfRepeatOperatorInvalid,
+    NestedRepeatOperator,
+    UnmatchedCloseParenthesis,
+    EndPatternWithUnmatchedParenthesis,
+    EndPatternInGroup,
+    UndefinedGroupOption,
+    InvalidGroupOption,
+    InvalidPosixBracketType,
+    InvalidLookBehindPattern,
+    InvalidRepeatRangePattern,
+    TooBigNumber,
+    TooBigNumberForRepeatRange,
+    UpperSmallerThanLowerInRepeatRange,
+    EmptyRangeInCharClass,
+    MismatchCodeLengthInClassRange,
+    TooManyMultiByteRanges,
+    TooShortMultiByteString,
+    TooBigBackrefNumber,
+    InvalidBackref,
+    NumberedBackrefOrCallNotAllowed,
+    TooManyCaptures,
+    TooLongWideCharValue,
+    UndefinedOperator,
+    EmptyGroupName,
+    InvalidGroupName,
+    InvalidCharInGroupName,
+    UndefinedNameReference,
+    UndefinedGroupReference,
+    MultiplexDefinedName,
+    MultiplexDefinitionNameCall,
+    NeverEndingRecursion,
+    GroupNumberOverForCaptureHistory,
+    InvalidCharPropertyName,
+    InvalidIfElseSyntax,
+    InvalidAbsentGroupPattern,
+    InvalidAbsentGroupGeneratorPattern,
+    InvalidCalloutPattern,
+    InvalidCalloutName,
+    UndefinedCalloutName,
+    InvalidCalloutBody,
+    InvalidCalloutTagName,
+    InvalidCalloutArg,
+    InvalidCodePointValue,
+    InvalidWideCharValue,
+    TooBigWideCharValue,
+    NotSupportedEncodingCombination,
+    InvalidCombinationOfOptions,
+    TooManyUserDefinedObjects,
+    TooLongPropertyName,
+    VeryInefficientPattern,
+    LibraryIsNotInitialized,
+    Unknown,
+};
+
+const error_code_map: []const struct { Error, c_int } = &.{
+    .{ Error.Mismatch, c.ONIG_MISMATCH },
+    .{ Error.NoSupportConfig, c.ONIG_NO_SUPPORT_CONFIG },
+    .{ Error.Abort, c.ONIG_ABORT },
+    .{ Error.Memory, c.ONIGERR_MEMORY },
+    .{ Error.TypeBug, c.ONIGERR_TYPE_BUG },
+    .{ Error.ParserBug, c.ONIGERR_PARSER_BUG },
+    .{ Error.StackBug, c.ONIGERR_STACK_BUG },
+    .{ Error.UndefinedBytecode, c.ONIGERR_UNDEFINED_BYTECODE },
+    .{ Error.UnexpectedBytecode, c.ONIGERR_UNEXPECTED_BYTECODE },
+    .{ Error.MatchStackLimitOver, c.ONIGERR_MATCH_STACK_LIMIT_OVER },
+    .{ Error.ParseDepthLimitOver, c.ONIGERR_PARSE_DEPTH_LIMIT_OVER },
+    .{ Error.RetryLimitInMatchOver, c.ONIGERR_RETRY_LIMIT_IN_MATCH_OVER },
+    .{ Error.RetryLimitInSearchOver, c.ONIGERR_RETRY_LIMIT_IN_SEARCH_OVER },
+    .{ Error.SubexpCallLimitInSearchOver, c.ONIGERR_SUBEXP_CALL_LIMIT_IN_SEARCH_OVER },
+    .{ Error.DefaultEncodingIsNotSet, c.ONIGERR_DEFAULT_ENCODING_IS_NOT_SET },
+    .{ Error.SpecifiedEncodingCantConvertToWideChar, c.ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR },
+    .{ Error.FailToInitialize, c.ONIGERR_FAIL_TO_INITIALIZE },
+    .{ Error.InvalidArgument, c.ONIGERR_INVALID_ARGUMENT },
+    .{ Error.EndPatternAtLeftBrace, c.ONIGERR_END_PATTERN_AT_LEFT_BRACE },
+    .{ Error.EndPatternAtLeftBracket, c.ONIGERR_END_PATTERN_AT_LEFT_BRACKET },
+    .{ Error.EmptyCharClass, c.ONIGERR_EMPTY_CHAR_CLASS },
+    .{ Error.PrematureEndOfCharClass, c.ONIGERR_PREMATURE_END_OF_CHAR_CLASS },
+    .{ Error.EndPatternAtEscape, c.ONIGERR_END_PATTERN_AT_ESCAPE },
+    .{ Error.EndPatternAtMeta, c.ONIGERR_END_PATTERN_AT_META },
+    .{ Error.EndPatternAtControl, c.ONIGERR_END_PATTERN_AT_CONTROL },
+    .{ Error.MetaCodeSyntax, c.ONIGERR_META_CODE_SYNTAX },
+    .{ Error.ControlCodeSyntax, c.ONIGERR_CONTROL_CODE_SYNTAX },
+    .{ Error.CharClassValueAtEndOfRange, c.ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE },
+    .{ Error.CharClassValueAtStartOfRange, c.ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE },
+    .{ Error.UnmatchedRangeSpecifierInCharClass, c.ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS },
+    .{ Error.TargetOfRepeatOperatorNotSpecified, c.ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED },
+    .{ Error.TargetOfRepeatOperatorInvalid, c.ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID },
+    .{ Error.NestedRepeatOperator, c.ONIGERR_NESTED_REPEAT_OPERATOR },
+    .{ Error.UnmatchedCloseParenthesis, c.ONIGERR_UNMATCHED_CLOSE_PARENTHESIS },
+    .{ Error.EndPatternWithUnmatchedParenthesis, c.ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS },
+    .{ Error.EndPatternInGroup, c.ONIGERR_END_PATTERN_IN_GROUP },
+    .{ Error.UndefinedGroupOption, c.ONIGERR_UNDEFINED_GROUP_OPTION },
+    .{ Error.InvalidGroupOption, c.ONIGERR_INVALID_GROUP_OPTION },
+    .{ Error.InvalidPosixBracketType, c.ONIGERR_INVALID_POSIX_BRACKET_TYPE },
+    .{ Error.InvalidLookBehindPattern, c.ONIGERR_INVALID_LOOK_BEHIND_PATTERN },
+    .{ Error.InvalidRepeatRangePattern, c.ONIGERR_INVALID_REPEAT_RANGE_PATTERN },
+    .{ Error.TooBigNumber, c.ONIGERR_TOO_BIG_NUMBER },
+    .{ Error.TooBigNumberForRepeatRange, c.ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE },
+    .{ Error.UpperSmallerThanLowerInRepeatRange, c.ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE },
+    .{ Error.EmptyRangeInCharClass, c.ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS },
+    .{ Error.MismatchCodeLengthInClassRange, c.ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE },
+    .{ Error.TooManyMultiByteRanges, c.ONIGERR_TOO_MANY_MULTI_BYTE_RANGES },
+    .{ Error.TooShortMultiByteString, c.ONIGERR_TOO_SHORT_MULTI_BYTE_STRING },
+    .{ Error.TooBigBackrefNumber, c.ONIGERR_TOO_BIG_BACKREF_NUMBER },
+    .{ Error.InvalidBackref, c.ONIGERR_INVALID_BACKREF },
+    .{ Error.NumberedBackrefOrCallNotAllowed, c.ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED },
+    .{ Error.TooManyCaptures, c.ONIGERR_TOO_MANY_CAPTURES },
+    .{ Error.TooLongWideCharValue, c.ONIGERR_TOO_LONG_WIDE_CHAR_VALUE },
+    .{ Error.UndefinedOperator, c.ONIGERR_UNDEFINED_OPERATOR },
+    .{ Error.EmptyGroupName, c.ONIGERR_EMPTY_GROUP_NAME },
+    .{ Error.InvalidGroupName, c.ONIGERR_INVALID_GROUP_NAME },
+    .{ Error.InvalidCharInGroupName, c.ONIGERR_INVALID_CHAR_IN_GROUP_NAME },
+    .{ Error.UndefinedNameReference, c.ONIGERR_UNDEFINED_NAME_REFERENCE },
+    .{ Error.UndefinedGroupReference, c.ONIGERR_UNDEFINED_GROUP_REFERENCE },
+    .{ Error.MultiplexDefinedName, c.ONIGERR_MULTIPLEX_DEFINED_NAME },
+    .{ Error.MultiplexDefinitionNameCall, c.ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL },
+    .{ Error.NeverEndingRecursion, c.ONIGERR_NEVER_ENDING_RECURSION },
+    .{ Error.GroupNumberOverForCaptureHistory, c.ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY },
+    .{ Error.InvalidCharPropertyName, c.ONIGERR_INVALID_CHAR_PROPERTY_NAME },
+    .{ Error.InvalidIfElseSyntax, c.ONIGERR_INVALID_IF_ELSE_SYNTAX },
+    .{ Error.InvalidAbsentGroupPattern, c.ONIGERR_INVALID_ABSENT_GROUP_PATTERN },
+    .{ Error.InvalidAbsentGroupGeneratorPattern, c.ONIGERR_INVALID_ABSENT_GROUP_GENERATOR_PATTERN },
+    .{ Error.InvalidCalloutPattern, c.ONIGERR_INVALID_CALLOUT_PATTERN },
+    .{ Error.InvalidCalloutName, c.ONIGERR_INVALID_CALLOUT_NAME },
+    .{ Error.UndefinedCalloutName, c.ONIGERR_UNDEFINED_CALLOUT_NAME },
+    .{ Error.InvalidCalloutBody, c.ONIGERR_INVALID_CALLOUT_BODY },
+    .{ Error.InvalidCalloutTagName, c.ONIGERR_INVALID_CALLOUT_TAG_NAME },
+    .{ Error.InvalidCalloutArg, c.ONIGERR_INVALID_CALLOUT_ARG },
+    .{ Error.InvalidCodePointValue, c.ONIGERR_INVALID_CODE_POINT_VALUE },
+    .{ Error.InvalidWideCharValue, c.ONIGERR_INVALID_WIDE_CHAR_VALUE },
+    .{ Error.TooBigWideCharValue, c.ONIGERR_TOO_BIG_WIDE_CHAR_VALUE },
+    .{ Error.NotSupportedEncodingCombination, c.ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION },
+    .{ Error.InvalidCombinationOfOptions, c.ONIGERR_INVALID_COMBINATION_OF_OPTIONS },
+    .{ Error.TooManyUserDefinedObjects, c.ONIGERR_TOO_MANY_USER_DEFINED_OBJECTS },
+    .{ Error.TooLongPropertyName, c.ONIGERR_TOO_LONG_PROPERTY_NAME },
+    .{ Error.VeryInefficientPattern, c.ONIGERR_VERY_INEFFICIENT_PATTERN },
+    .{ Error.LibraryIsNotInitialized, c.ONIGERR_LIBRARY_IS_NOT_INITIALIZED },
+};