1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114

// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// AUTOMATICALLY GENERATED from the SPIR-V JSON grammar:
//   external/spirv.core.grammar.json.
// DO NOT MODIFY!

#![cfg_attr(rustfmt, rustfmt_skip)]

use spirv;
use std::{error, fmt};

/// Decoder Error.
#[derive(Debug, PartialEq)]
pub enum Error {
    StreamExpected(usize),
    LimitReached(usize),
    ImageOperandsUnknown(usize, spirv::Word),
    FPFastMathModeUnknown(usize, spirv::Word),
    SelectionControlUnknown(usize, spirv::Word),
    LoopControlUnknown(usize, spirv::Word),
    FunctionControlUnknown(usize, spirv::Word),
    MemorySemanticsUnknown(usize, spirv::Word),
    MemoryAccessUnknown(usize, spirv::Word),
    KernelProfilingInfoUnknown(usize, spirv::Word),
    SourceLanguageUnknown(usize, spirv::Word),
    ExecutionModelUnknown(usize, spirv::Word),
    AddressingModelUnknown(usize, spirv::Word),
    MemoryModelUnknown(usize, spirv::Word),
    ExecutionModeUnknown(usize, spirv::Word),
    StorageClassUnknown(usize, spirv::Word),
    DimUnknown(usize, spirv::Word),
    SamplerAddressingModeUnknown(usize, spirv::Word),
    SamplerFilterModeUnknown(usize, spirv::Word),
    ImageFormatUnknown(usize, spirv::Word),
    ImageChannelOrderUnknown(usize, spirv::Word),
    ImageChannelDataTypeUnknown(usize, spirv::Word),
    FPRoundingModeUnknown(usize, spirv::Word),
    LinkageTypeUnknown(usize, spirv::Word),
    AccessQualifierUnknown(usize, spirv::Word),
    FunctionParameterAttributeUnknown(usize, spirv::Word),
    DecorationUnknown(usize, spirv::Word),
    BuiltInUnknown(usize, spirv::Word),
    ScopeUnknown(usize, spirv::Word),
    GroupOperationUnknown(usize, spirv::Word),
    KernelEnqueueFlagsUnknown(usize, spirv::Word),
    CapabilityUnknown(usize, spirv::Word),
    /// Failed to decode a string.
    ///
    /// For structured error handling, the second element could be
    /// `string::FromUtf8Error`, but the will prohibit the compiler
    /// from generating `PartialEq` for this enum.
    DecodeStringFailed(usize, String),
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match *self {
            Error::StreamExpected(index) => write!(f, "expected more bytes in the stream at index {}", index),
            Error::LimitReached(index) => write!(f, "reached word limit at index {}", index),
            Error::ImageOperandsUnknown(index, word) => write!(f, "unknown value {} for operand kind ImageOperands at index {}", word, index),
            Error::FPFastMathModeUnknown(index, word) => write!(f, "unknown value {} for operand kind FPFastMathMode at index {}", word, index),
            Error::SelectionControlUnknown(index, word) => write!(f, "unknown value {} for operand kind SelectionControl at index {}", word, index),
            Error::LoopControlUnknown(index, word) => write!(f, "unknown value {} for operand kind LoopControl at index {}", word, index),
            Error::FunctionControlUnknown(index, word) => write!(f, "unknown value {} for operand kind FunctionControl at index {}", word, index),
            Error::MemorySemanticsUnknown(index, word) => write!(f, "unknown value {} for operand kind MemorySemantics at index {}", word, index),
            Error::MemoryAccessUnknown(index, word) => write!(f, "unknown value {} for operand kind MemoryAccess at index {}", word, index),
            Error::KernelProfilingInfoUnknown(index, word) => write!(f, "unknown value {} for operand kind KernelProfilingInfo at index {}", word, index),
            Error::SourceLanguageUnknown(index, word) => write!(f, "unknown value {} for operand kind SourceLanguage at index {}", word, index),
            Error::ExecutionModelUnknown(index, word) => write!(f, "unknown value {} for operand kind ExecutionModel at index {}", word, index),
            Error::AddressingModelUnknown(index, word) => write!(f, "unknown value {} for operand kind AddressingModel at index {}", word, index),
            Error::MemoryModelUnknown(index, word) => write!(f, "unknown value {} for operand kind MemoryModel at index {}", word, index),
            Error::ExecutionModeUnknown(index, word) => write!(f, "unknown value {} for operand kind ExecutionMode at index {}", word, index),
            Error::StorageClassUnknown(index, word) => write!(f, "unknown value {} for operand kind StorageClass at index {}", word, index),
            Error::DimUnknown(index, word) => write!(f, "unknown value {} for operand kind Dim at index {}", word, index),
            Error::SamplerAddressingModeUnknown(index, word) => write!(f, "unknown value {} for operand kind SamplerAddressingMode at index {}", word, index),
            Error::SamplerFilterModeUnknown(index, word) => write!(f, "unknown value {} for operand kind SamplerFilterMode at index {}", word, index),
            Error::ImageFormatUnknown(index, word) => write!(f, "unknown value {} for operand kind ImageFormat at index {}", word, index),
            Error::ImageChannelOrderUnknown(index, word) => write!(f, "unknown value {} for operand kind ImageChannelOrder at index {}", word, index),
            Error::ImageChannelDataTypeUnknown(index, word) => write!(f, "unknown value {} for operand kind ImageChannelDataType at index {}", word, index),
            Error::FPRoundingModeUnknown(index, word) => write!(f, "unknown value {} for operand kind FPRoundingMode at index {}", word, index),
            Error::LinkageTypeUnknown(index, word) => write!(f, "unknown value {} for operand kind LinkageType at index {}", word, index),
            Error::AccessQualifierUnknown(index, word) => write!(f, "unknown value {} for operand kind AccessQualifier at index {}", word, index),
            Error::FunctionParameterAttributeUnknown(index, word) => write!(f, "unknown value {} for operand kind FunctionParameterAttribute at index {}", word, index),
            Error::DecorationUnknown(index, word) => write!(f, "unknown value {} for operand kind Decoration at index {}", word, index),
            Error::BuiltInUnknown(index, word) => write!(f, "unknown value {} for operand kind BuiltIn at index {}", word, index),
            Error::ScopeUnknown(index, word) => write!(f, "unknown value {} for operand kind Scope at index {}", word, index),
            Error::GroupOperationUnknown(index, word) => write!(f, "unknown value {} for operand kind GroupOperation at index {}", word, index),
            Error::KernelEnqueueFlagsUnknown(index, word) => write!(f, "unknown value {} for operand kind KernelEnqueueFlags at index {}", word, index),
            Error::CapabilityUnknown(index, word) => write!(f, "unknown value {} for operand kind Capability at index {}", word, index),
            Error::DecodeStringFailed(index, ref e) => write!(f, "cannot decode string at index {}: {}", index, e),
        }
    }
}

impl error::Error for Error {
    fn description(&self) -> &str {
        match *self {
            Error::StreamExpected(_) => "expected more bytes in the stream",
            _ => "unknown operand value for the given kind",
        }
    }
}