File: RegexGenerator.g.cs
Project: src\src\Tools\BuildActionTelemetryTable\BuildActionTelemetryTable.csproj (BuildActionTelemetryTable)
// <auto-generated/>
#nullable enable
#pragma warning disable CS0162 // Unreachable code
#pragma warning disable CS0164 // Unreferenced label
#pragma warning disable CS0219 // Variable assigned but never used
 
namespace BuildActionTelemetryTable
{
    partial class Program
    {
        /// <remarks>
        /// Pattern:<br/>
        /// <code>(?&lt;=[I])(?=[A-Z]) &amp;\r\n(?&lt;=[A-Z])(?=[A-Z][a-z]) |\r\n(?&lt;=[^A-Z])(?=[A-Z]) |\r\n(?&lt;=[A-Za-z])(?=[^A-Za-z])</code><br/>
        /// Options:<br/>
        /// <code>RegexOptions.IgnorePatternWhitespace</code><br/>
        /// Explanation:<br/>
        /// <code>
        /// ○ Match with 3 alternative expressions, atomically.<br/>
        ///     ○ Match a sequence of expressions.<br/>
        ///         ○ Zero-width positive lookbehind.<br/>
        ///             ○ Match 'I' right-to-left.<br/>
        ///         ○ Zero-width positive lookahead.<br/>
        ///             ○ Match a character in the set [A-Z].<br/>
        ///         ○ Match '&amp;'.<br/>
        ///         ○ Zero-width positive lookbehind.<br/>
        ///             ○ Match a character in the set [A-Z] right-to-left.<br/>
        ///         ○ Zero-width positive lookahead.<br/>
        ///             ○ Match a character in the set [A-Z].<br/>
        ///             ○ Match a character in the set [a-z].<br/>
        ///     ○ Match a sequence of expressions.<br/>
        ///         ○ Zero-width positive lookbehind.<br/>
        ///             ○ Match a character in the set [^A-Z] right-to-left.<br/>
        ///         ○ Zero-width positive lookahead.<br/>
        ///             ○ Match a character in the set [A-Z].<br/>
        ///     ○ Match a sequence of expressions.<br/>
        ///         ○ Zero-width positive lookbehind.<br/>
        ///             ○ Match a character in the set [A-Za-z] right-to-left.<br/>
        ///         ○ Zero-width positive lookahead.<br/>
        ///             ○ Match a character in the set [^A-Za-z].<br/>
        /// </code>
        /// </remarks>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
        private static partial global::System.Text.RegularExpressions.Regex ChangeOfCaseRegex() => global::System.Text.RegularExpressions.Generated.ChangeOfCaseRegex_0.Instance;
    }
}
 
namespace System.Text.RegularExpressions.Generated
{
    using System;
    using System.Buffers;
    using System.CodeDom.Compiler;
    using System.Collections;
    using System.ComponentModel;
    using System.Globalization;
    using System.Runtime.CompilerServices;
    using System.Text.RegularExpressions;
    using System.Threading;
 
    /// <summary>Custom <see cref="Regex"/>-derived type for the ChangeOfCaseRegex method.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
    file sealed class ChangeOfCaseRegex_0 : Regex
    {
        /// <summary>Cached, thread-safe singleton instance.</summary>
        internal static readonly ChangeOfCaseRegex_0 Instance = new();
    
        /// <summary>Initializes the instance.</summary>
        private ChangeOfCaseRegex_0()
        {
            base.pattern = "(?<=[I])(?=[A-Z]) &\r\n(?<=[A-Z])(?=[A-Z][a-z]) |\r\n(?<=[^A-Z])(?=[A-Z]) |\r\n(?<=[A-Za-z])(?=[^A-Za-z])";
            base.roptions = RegexOptions.IgnorePatternWhitespace;
            ValidateMatchTimeout(Utilities.s_defaultTimeout);
            base.internalMatchTimeout = Utilities.s_defaultTimeout;
            base.factory = new RunnerFactory();
            base.capsize = 1;
        }
            
        /// <summary>Provides a factory for creating <see cref="RegexRunner"/> instances to be used by methods on <see cref="Regex"/>.</summary>
        private sealed class RunnerFactory : RegexRunnerFactory
        {
            /// <summary>Creates an instance of a <see cref="RegexRunner"/> used by methods on <see cref="Regex"/>.</summary>
            protected override RegexRunner CreateInstance() => new Runner();
        
            /// <summary>Provides the runner that contains the custom logic implementing the specified regular expression.</summary>
            private sealed class Runner : RegexRunner
            {
                /// <summary>Scan the <paramref name="inputSpan"/> starting from base.runtextstart for the next match.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                protected override void Scan(ReadOnlySpan<char> inputSpan)
                {
                    // Search until we can't find a valid starting position, we find a match, or we reach the end of the input.
                    while (!TryMatchAtCurrentPosition(inputSpan) &&
                           base.runtextpos != inputSpan.Length)
                    {
                        base.runtextpos++;
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                    }
                }
        
                /// <summary>Determine whether <paramref name="inputSpan"/> at base.runtextpos is a match for the regular expression.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if the regular expression matches at the current position; otherwise, false.</returns>
                private bool TryMatchAtCurrentPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    int matchStart = pos;
                    ReadOnlySpan<char> slice = inputSpan.Slice(pos);
                    
                    // Match with 3 alternative expressions, atomically.
                    {
                        int alternation_starting_pos = pos;
                        
                        // Branch 0
                        {
                            // Zero-width positive lookbehind.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookbehind_starting_pos = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match 'I' right-to-left.
                                if ((uint)(pos - 1) >= inputSpan.Length || inputSpan[pos - 1] != 'I')
                                {
                                    goto AlternationBranch;
                                }
                                pos--;
                                
                                pos = positivelookbehind_starting_pos;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            // Zero-width positive lookahead.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookahead_starting_pos = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [A-Z].
                                if (slice.IsEmpty || !char.IsAsciiLetterUpper(slice[0]))
                                {
                                    goto AlternationBranch;
                                }
                                
                                pos = positivelookahead_starting_pos;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            // Match '&'.
                            if (slice.IsEmpty || slice[0] != '&')
                            {
                                goto AlternationBranch;
                            }
                            
                            pos++;
                            slice = inputSpan.Slice(pos);
                            // Zero-width positive lookbehind.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookbehind_starting_pos1 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [A-Z] right-to-left.
                                if ((uint)(pos - 1) >= inputSpan.Length || !char.IsAsciiLetterUpper(inputSpan[pos - 1]))
                                {
                                    goto AlternationBranch;
                                }
                                pos--;
                                
                                pos = positivelookbehind_starting_pos1;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            // Zero-width positive lookahead.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookahead_starting_pos1 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                if ((uint)slice.Length < 2 ||
                                    !char.IsAsciiLetterUpper(slice[0]) || // Match a character in the set [A-Z].
                                    !char.IsAsciiLetterLower(slice[1])) // Match a character in the set [a-z].
                                {
                                    goto AlternationBranch;
                                }
                                
                                pos = positivelookahead_starting_pos1;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            goto AlternationMatch;
                            
                            AlternationBranch:
                            pos = alternation_starting_pos;
                            slice = inputSpan.Slice(pos);
                        }
                        
                        // Branch 1
                        {
                            // Zero-width positive lookbehind.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookbehind_starting_pos2 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [^A-Z] right-to-left.
                                if ((uint)(pos - 1) >= inputSpan.Length || char.IsAsciiLetterUpper(inputSpan[pos - 1]))
                                {
                                    goto AlternationBranch1;
                                }
                                pos--;
                                
                                pos = positivelookbehind_starting_pos2;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            // Zero-width positive lookahead.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookahead_starting_pos2 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [A-Z].
                                if (slice.IsEmpty || !char.IsAsciiLetterUpper(slice[0]))
                                {
                                    goto AlternationBranch1;
                                }
                                
                                pos = positivelookahead_starting_pos2;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            goto AlternationMatch;
                            
                            AlternationBranch1:
                            pos = alternation_starting_pos;
                            slice = inputSpan.Slice(pos);
                        }
                        
                        // Branch 2
                        {
                            // Zero-width positive lookbehind.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookbehind_starting_pos3 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [A-Za-z] right-to-left.
                                if ((uint)(pos - 1) >= inputSpan.Length || !char.IsAsciiLetter(inputSpan[pos - 1]))
                                {
                                    return false; // The input didn't match.
                                }
                                pos--;
                                
                                pos = positivelookbehind_starting_pos3;
                                slice = inputSpan.Slice(pos);
                            }
                            
                            // Zero-width positive lookahead.
                            {
                                slice = inputSpan.Slice(pos);
                                int positivelookahead_starting_pos3 = pos;
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                // Match a character in the set [^A-Za-z].
                                if (slice.IsEmpty || char.IsAsciiLetter(slice[0]))
                                {
                                    return false; // The input didn't match.
                                }
                                
                                pos = positivelookahead_starting_pos3;
                                slice = inputSpan.Slice(pos);
                            }
                            
                        }
                        
                        AlternationMatch:;
                    }
                    
                    // The input matched.
                    base.runtextpos = pos;
                    base.Capture(0, matchStart, pos);
                    return true;
                }
            }
        }
 
    }
    
    /// <summary>Helper methods used by generated <see cref="Regex"/>-derived implementations.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
    file static class Utilities
    {
        /// <summary>Default timeout value set in <see cref="AppContext"/>, or <see cref="Regex.InfiniteMatchTimeout"/> if none was set.</summary>
        internal static readonly TimeSpan s_defaultTimeout = AppContext.GetData("REGEX_DEFAULT_MATCH_TIMEOUT") is TimeSpan timeout ? timeout : Regex.InfiniteMatchTimeout;
        
        /// <summary>Whether <see cref="s_defaultTimeout"/> is non-infinite.</summary>
        internal static readonly bool s_hasTimeout = s_defaultTimeout != Regex.InfiniteMatchTimeout;
    }
}