/// <summary>
/// Initializer all fields, used also by deserializer of SymbolicRegexMatcher
/// </summary>
private void InitilizeFields(ICharAlgebra <S> solver)
{
this.solver = solver;
this.nothing = SymbolicRegexNode <S> .MkFalse(this, solver.False);
this.dot = SymbolicRegexNode <S> .MkTrue(this, solver.True);
this.dotStar = SymbolicRegexNode <S> .MkDotStar(this, this.dot);
this.newLine = SymbolicRegexNode <S> .MkNewline(this, solver.MkCharConstraint('\n'));
this.bolRegex = SymbolicRegexNode <S> .MkLoop(this, SymbolicRegexNode <S> .MkConcat(this, this.dotStar, this.newLine), 0, 1);
this.eolRegex = SymbolicRegexNode <S> .MkLoop(this, SymbolicRegexNode <S> .MkConcat(this, this.newLine, this.dotStar), 0, 1);
// --- initialize caches ---
this.singletonCache[this.solver.False] = this.nothing;
this.singletonCache[this.newLine.set] = this.newLine;
this.singletonCache[this.solver.True] = this.dot;
//---
this.nodeCache[this.nothing] = this.nothing;
this.nodeCache[this.dot] = this.dot;
this.nodeCache[this.dotStar] = this.dotStar;
this.nodeCache[this.newLine] = this.newLine;
this.nodeCache[this.bolRegex] = this.bolRegex;
this.nodeCache[this.eolRegex] = this.eolRegex;
}