RegexBoyerMoore.cs

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using System;
using System.Globalization;
 
namespace System.Text.RegularExpressions
{
    // Token: 0x020000B3 RID: 179
    internal sealed class RegexBoyerMoore
    {
        // Token: 0x06000388 RID: 904 RVA: 0x0000C37C File Offset: 0x0000A57C
        public RegexBoyerMoore(string pattern, bool caseInsensitive, bool rightToLeft, CultureInfo culture)
        {
            StringBuilder stringBuilder = StringBuilderCache.Acquire(pattern._stringLength);
            int stringLength = pattern._stringLength;
            long num = 0L;
            char c = pattern[(int)num];
            int stringLength2 = pattern._stringLength;
            string stringAndRelease = StringBuilderCache.GetStringAndRelease(stringBuilder);
            this.Pattern = stringAndRelease;
            this._culture = culture;
            int stringLength3 = stringAndRelease._stringLength;
            char c2 = stringAndRelease[rightToLeft ? 1 : 0];
            int[] positive = this.Positive;
            char c3 = stringAndRelease[(int)num];
        }
 
        // Token: 0x06000389 RID: 905 RVA: 0x0000C488 File Offset: 0x0000A688
        private bool MatchPattern(string text, int index)
        {
            /*
An exception occurred when decompiling this method (06000389)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean System.Text.RegularExpressions.RegexBoyerMoore::MatchPattern(System.String,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0056:
    stloc:string(var_11_5C, ldfld:string(RegexBoyerMoore::Pattern, ldloc:RegexBoyerMoore(this)))
    stloc:int64(var_12_5F, ldc.i4:int64(0))
    stloc:int32(var_13_68, ldfld:int32(string::_stringLength, ldloc:string(var_11_5C)))
    stloc:int32(var_14_77, call:int32(string::CompareOrdinal, ldloc:string(var_11_5C), ldloc:int64[exp:int32](var_12_5F), ldloc:string(text), ldloc:int32(index), ldloc:int32(var_13_68)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x0600038A RID: 906 RVA: 0x0000C510 File Offset: 0x0000A710
        public bool IsMatch(string text, int index, int beglimit, int endlimit)
        {
            if (this.RightToLeft)
            {
                int stringLength = this.Pattern._stringLength;
                return this.MatchPattern(text, index);
            }
            bool flag;
            return flag;
        }
 
        // Token: 0x0600038B RID: 907 RVA: 0x0000C540 File Offset: 0x0000A740
        public int Scan(string text, int index, int beglimit, int endlimit)
        {
            /*
An exception occurred when decompiling this method (0600038B)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 System.Text.RegularExpressions.RegexBoyerMoore::Scan(System.String,System.Int32,System.Int32,System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_00A5:
    stloc:bool(var_16_AB, ldfld:bool(RegexBoyerMoore::RightToLeft, ldloc:RegexBoyerMoore(this)))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x040002CC RID: 716
        public readonly int[] Positive;
 
        // Token: 0x040002CD RID: 717
        public readonly int[] NegativeASCII;
 
        // Token: 0x040002CE RID: 718
        public readonly int[][] NegativeUnicode;
 
        // Token: 0x040002CF RID: 719
        public readonly string Pattern;
 
        // Token: 0x040002D0 RID: 720
        public readonly int LowASCII;
 
        // Token: 0x040002D1 RID: 721
        public readonly int HighASCII;
 
        // Token: 0x040002D2 RID: 722
        public readonly bool RightToLeft;
 
        // Token: 0x040002D3 RID: 723
        public readonly bool CaseInsensitive;
 
        // Token: 0x040002D4 RID: 724
        private readonly CultureInfo _culture;
    }
}