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// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
//! Contexts for immediate validated decode failures.
/// Grammar location where a validated decode failure occurred.
///
/// # Examples
///
/// ```
/// use qubit_json::decode::JsonDecodeContext;
///
/// let context = JsonDecodeContext::ObjectKey;
/// assert_eq!(context, JsonDecodeContext::ObjectKey);
/// ```
#[non_exhaustive]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum JsonDecodeContext {
/// A JSON value token was expected.
Value,
/// An object key token was expected.
ObjectKey,
/// A string token was being scanned.
String,
/// A number token was being scanned or projected.
Number,
/// An object colon was expected.
Colon,
/// An array separator or closing bracket was expected.
ArraySeparator,
/// An object separator or closing brace was expected.
ObjectSeparator,
/// The document had trailing input after its root value.
TrailingInput,
}