/// <summary> /// Parses a #region-#endregion directive, starting at the character following "region". /// Adds a corresponding RegionDirective instance to this.preprocesorInformation. /// Leaves this.fragmentIndex pointing to the start of the first line after the matching #endif directive. /// Returns all source locations that are to be included in the preprocessor output. (No locations are returned if the include parameter is false.) /// </summary> /// <param name="include">True if the directive is part of an included block. If false, the directive is parsed but ignored. (No locations are returned.)</param> private IEnumerable<ISourceLocation> ParseRegion(bool include) { SourceLocationBuilder slb = new SourceLocationBuilder(this.GetSourceLocation(this.startOfCurrentLine, this.fragmentIndex-this.startOfCurrentLine)); string label = this.ScanMessage(); RegionDirective regionDirective = new RegionDirective(label, slb); this.preprocessorInformation.directives.Add(regionDirective); foreach (ISourceLocation includedSourceFragment in this.ParseSection(false, false, true, include, false)) yield return includedSourceFragment; slb.UpdateToSpan(this.GetSourceLocation(this.fragmentIndex-1, 0)); }
public override object/*?*/ Resolve() { if (this.rootClass != null) { FieldDefinition/*?*/ localField = null; this.rootClass.localFieldFor.TryGetValue(this.Name.UniqueKeyIgnoringCase, out localField); if (localField != null) return localField; } object/*?*/ binding = base.Resolve(); if (binding == null && this.expressionToInferTargetTypeFrom != null) { SourceLocationBuilder slb = new SourceLocationBuilder(this.SourceLocation); slb.UpdateToSpan(this.expressionToInferTargetTypeFrom.SourceLocation); return this.rootClass.AddFieldForLocal(this, this.expressionToInferTargetTypeFrom, slb).FieldDefinition; } return binding; }
/// <summary> /// Parses the #if part of an #if-#elif-#else-#endif construct, starting at the character following "if". /// Adds a corresponding IfDirective instance to this.preprocesorInformation. /// Leaves this.fragmentIndex pointing to the start of the first line after the matching #endif directive. /// Returns all source locations that are to be included in the preprocessor output. (No locations are returned if the include parameter is false.) /// </summary> /// <param name="include">True if the directive is part of an included block. If false, the directive is parsed but ignored. (No locations are returned.)</param> private IEnumerable<ISourceLocation> ParseIf(bool include) { SourceLocationBuilder slb = new SourceLocationBuilder(this.GetSourceLocation(this.startOfCurrentLine, this.fragmentIndex-this.startOfCurrentLine)); Expression condition = this.ParseExpression(); IfDirective ifDirective = new IfDirective(condition, slb); this.preprocessorInformation.directives.Add(ifDirective); this.SkipPastBlanksCommentAndNewLine(); bool allowElseToInclude = include; if (include) { include = condition.IsDefined(this.preprocessorDefinedSymbols); if (include) allowElseToInclude = false; } foreach (ISourceLocation includedSourceFragment in this.ParseSection(true, true, false, include, allowElseToInclude)) yield return includedSourceFragment; slb.UpdateToSpan(this.GetSourceLocation(this.fragmentIndex-1, 0)); }