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pub type ReadResult<T> = Result<T, ReadError>; #[derive(Debug)] pub enum ReadError { ConstantReadError(ConstantReadError), OpcodeReadError, BogusOpcodeReadError(u8), OperandReadError, SymBindReadError, UnknownSimBindReadError(u8), SymTypeReadError, UnknownSimTypeReadError(u8), KOSymbolConstantReadError(&'static str), KOSValueTypeReadError(u8), KOSValueReadError, SectionKindReadError, UnknownSectionKindReadError(u8), SectionHeaderConstantReadError(&'static str), StringTableReadError, KOHeaderReadError(&'static str), KSMHeaderReadError(&'static str), VersionMismatchError(u8), DebugSectionUnsupportedError, MissingSectionError(&'static str), InvalidKOFileMagicError, InvalidKSMFileMagicError, KSMDecompressionError(std::io::Error), MissingArgumentSectionError, ExpectedArgumentSectionError(u16), NumIndexBytesReadError, InvalidNumIndexBytesError(usize), ArgumentSectionReadError, CodeTypeReadError, UnknownCodeTypeReadError(char), MissingCodeSectionError, ExpectedCodeSectionError(u8), CodeSectionReadError, DebugRangeReadError, DebugEntryReadError, MissingDebugSectionError, ExpectedDebugSectionError(u8), DebugSectionReadError, } #[derive(Debug)] pub enum ConstantReadError { BoolReadError, U8ReadError, I8ReadError, U16ReadError, I16ReadError, U32ReadError, I32ReadError, F32ReadError, F64ReadError, StringReadError, } impl std::error::Error for ReadError {} impl std::error::Error for ConstantReadError {} impl std::fmt::Display for ReadError { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { ReadError::ConstantReadError(e) => { write!(f, "Error reading constant of type {}, ran out of bytes.", e) } ReadError::OpcodeReadError => { write!(f, "Error reading opcode for instruction, ran out of bytes.") } ReadError::BogusOpcodeReadError(v) => { write!( f, "Error reading opcode for instruction, value {:x} is not a valid opcode", v ) } ReadError::OperandReadError => { write!( f, "Error reading operand for instruction, ran out of bytes." ) } ReadError::SymBindReadError => { write!(f, "Error reading symbol binding, ran out of bytes.") } ReadError::UnknownSimBindReadError(v) => { write!( f, "Error reading symbol binding, unknown binding with value {:x}", v ) } ReadError::SymTypeReadError => { write!(f, "Error reading symbol type, ran out of bytes.") } ReadError::UnknownSimTypeReadError(v) => { write!( f, "Error reading symbol type, unknown type with value {:x}", v ) } ReadError::KOSymbolConstantReadError(s) => { write!( f, "Error reading symbol while parsing constant for {}, ran out of bytes.", s ) } ReadError::KOSValueTypeReadError(v) => { write!( f, "Error reading kOS value, unknown type with value {:x}", v ) } ReadError::KOSValueReadError => { write!(f, "Error reading kOS value, ran out of bytes.") } ReadError::SectionKindReadError => { write!(f, "Error reading section kind, ran out of bytes.") } ReadError::UnknownSectionKindReadError(v) => { write!( f, "Error reading section kind, unknown kind with value {:x}", v ) } ReadError::SectionHeaderConstantReadError(s) => { write!( f, "Error reading section header while parsing constant {}, ran out of bytes.", s ) } ReadError::StringTableReadError => { write!(f, "Error reading string table, ran out of bytes.") } ReadError::KOHeaderReadError(s) => { write!( f, "Error reading kerbal object file header, while parsing constant {}, ran out of bytes.", s ) } ReadError::KSMHeaderReadError(s) => { write!(f, "Error reading kerbal machine code file, while parsing constant {}, ran out of bytes.", s) } ReadError::VersionMismatchError(v) => { write!( f, "Error reading KerbalObject file, unsupported KO file version: {}", v ) } ReadError::DebugSectionUnsupportedError => { write!( f, "Error reading KerbalObject file, debug sections unsupported in this version." ) } &ReadError::MissingSectionError(s) => { write!( f, "Error reading KerbalObject file, expected section: {}", s ) } ReadError::InvalidKOFileMagicError => { write!( f, "Error reading KerbalObject file, input file does not appear to be a KO file" ) } ReadError::InvalidKSMFileMagicError => { write!(f, "Error reading Kerbal Machine Code file, input file does not appear to be a KSM file") } ReadError::KSMDecompressionError(e) => { write!( f, "Error while trying to decompress Kerbal Machine File: {}", e ) } ReadError::MissingArgumentSectionError => { write!(f, "Error reading Kerbal Machine Code file, expected argument section, ran out of bytes.") } ReadError::ExpectedArgumentSectionError(v) => { write!(f, "Error reading Kerbal Machine Code file, expected argument section, instead found {:x}", v) } ReadError::NumIndexBytesReadError => { write!(f, "Error reading Kerbal Machine Code argument section num index bytes, ran out of bytes.") } ReadError::InvalidNumIndexBytesError(n) => { write!(f, "Error reading Kerbal Machine Code argument section num index bytes, invalid number: {}, only values 1-4 permitted.", n) } ReadError::ArgumentSectionReadError => { write!(f, "Error reading Kerbal Machine Code argument section, expected argument, ran out of bytes.") } ReadError::CodeTypeReadError => { write!(f, "Error reading KSM section type, ran out of bytes") } ReadError::UnknownCodeTypeReadError(c) => { write!( f, "Error reading KSM section type, unknown type with value: {}", c ) } ReadError::MissingCodeSectionError => { write!(f, "Error reading code section, ran out of bytes") } ReadError::ExpectedCodeSectionError(b) => { write!( f, "Error reading KSM file, expected code section, found {:?}", b ) } ReadError::CodeSectionReadError => { write!(f, "Error reading code section, ran out of bytes") } ReadError::DebugRangeReadError => { write!(f, "Error reading debug section, ran out of bytes") } ReadError::DebugEntryReadError => { write!(f, "Error reading debug entry, ran out of bytes") } ReadError::MissingDebugSectionError => { write!(f, "Error reading KSM file debug section, expected debug section, ran out of bytes") } ReadError::ExpectedDebugSectionError(b) => { write!( f, "Error reading KSM file, expected debug section header, found {:?}", b ) } ReadError::DebugSectionReadError => { write!(f, "Error reading KSM file debug section, ran out of bytes") } } } } impl std::fmt::Display for ConstantReadError { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { &ConstantReadError::BoolReadError => { write!(f, "boolean") } &ConstantReadError::U8ReadError => { write!(f, "unsigned byte") } &ConstantReadError::I8ReadError => { write!(f, "signed byte") } &ConstantReadError::U16ReadError => { write!(f, "unsigned 16-bit integer") } &ConstantReadError::I16ReadError => { write!(f, "signed 16-bit integer") } &ConstantReadError::U32ReadError => { write!(f, "unsigned 32-bit integer") } &ConstantReadError::I32ReadError => { write!(f, "signed 32-bit integer") } &ConstantReadError::F32ReadError => { write!(f, "float") } &ConstantReadError::F64ReadError => { write!(f, "double float") } &ConstantReadError::StringReadError => { write!(f, "string") } } } }