private GetTemplates ( ) : |
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return |
public virtual TemplateGroup GetTemplates() { AbstractTarget target = GetTarget(); if (target == null) { return(null); } return(target.GetTemplates()); }
private Template Walk(OutputModelObject outputModel, bool header) { AbstractTarget target = GetTarget(); if (target == null) { throw new NotSupportedException("Cannot generate code without a target."); } OutputModelWalker walker = new OutputModelWalker(tool, target.GetTemplates()); return(walker.Walk(outputModel, header)); }
public virtual string GetHeaderFileName() { AbstractTarget target = GetTarget(); if (target == null) { throw new NotSupportedException("Cannot generate code without a target."); } Template extST = target.GetTemplates().GetInstanceOf("headerFileExtension"); if (extST == null) { return(null); } string recognizerName = g.GetRecognizerName(); return(recognizerName + extST.Render()); }
public virtual void BuildLeftRecursiveRuleFunction(LeftRecursiveRule r, LeftRecursiveRuleFunction function) { BuildNormalRuleFunction(r, function); // now inject code to start alts AbstractTarget target = @delegate.GetTarget(); TemplateGroup codegenTemplates = target.GetTemplates(); // pick out alt(s) for primaries CodeBlockForOuterMostAlt outerAlt = (CodeBlockForOuterMostAlt)function.code[0]; IList <CodeBlockForAlt> primaryAltsCode = new List <CodeBlockForAlt>(); SrcOp primaryStuff = outerAlt.ops[0]; if (primaryStuff is Choice) { Choice primaryAltBlock = (Choice)primaryStuff; foreach (var alt in primaryAltBlock.alts) { primaryAltsCode.Add(alt); } } else { // just a single alt I guess; no block primaryAltsCode.Add((CodeBlockForAlt)primaryStuff); } // pick out alt(s) for op alts StarBlock opAltStarBlock = (StarBlock)outerAlt.ops[1]; CodeBlockForAlt altForOpAltBlock = opAltStarBlock.alts[0]; IList <CodeBlockForAlt> opAltsCode = new List <CodeBlockForAlt>(); SrcOp opStuff = altForOpAltBlock.ops[0]; if (opStuff is AltBlock) { AltBlock opAltBlock = (AltBlock)opStuff; foreach (var alt in opAltBlock.alts) { opAltsCode.Add(alt); } } else { // just a single alt I guess; no block opAltsCode.Add((CodeBlockForAlt)opStuff); } // Insert code in front of each primary alt to create specialized context if there was a label for (int i = 0; i < primaryAltsCode.Count; i++) { LeftRecursiveRuleAltInfo altInfo = r.recPrimaryAlts[i]; if (altInfo.altLabel == null) { continue; } Template altActionST = codegenTemplates.GetInstanceOf("recRuleReplaceContext"); altActionST.Add("ctxName", Utils.Capitalize(altInfo.altLabel)); AltLabelStructDecl ctx = null; if (altInfo.altLabel != null) { function.altLabelCtxs.TryGetValue(altInfo.altLabel, out ctx); } Action altAction = new Action(@delegate, ctx, altActionST); CodeBlockForAlt alt = primaryAltsCode[i]; alt.InsertOp(0, altAction); } // Insert code to set ctx.stop after primary block and before op * loop Template setStopTokenAST = codegenTemplates.GetInstanceOf("recRuleSetStopToken"); Action setStopTokenAction = new Action(@delegate, function.ruleCtx, setStopTokenAST); outerAlt.InsertOp(1, setStopTokenAction); // Insert code to set _prevctx at start of * loop Template setPrevCtx = codegenTemplates.GetInstanceOf("recRuleSetPrevCtx"); Action setPrevCtxAction = new Action(@delegate, function.ruleCtx, setPrevCtx); opAltStarBlock.AddIterationOp(setPrevCtxAction); // Insert code in front of each op alt to create specialized context if there was an alt label for (int i = 0; i < opAltsCode.Count; i++) { Template altActionST; LeftRecursiveRuleAltInfo altInfo = r.recOpAlts.GetElement(i); string templateName; if (altInfo.altLabel != null) { templateName = "recRuleLabeledAltStartAction"; altActionST = codegenTemplates.GetInstanceOf(templateName); altActionST.Add("currentAltLabel", altInfo.altLabel); } else { templateName = "recRuleAltStartAction"; altActionST = codegenTemplates.GetInstanceOf(templateName); altActionST.Add("ctxName", Utils.Capitalize(r.name)); } altActionST.Add("ruleName", r.name); // add label of any LR ref we deleted altActionST.Add("label", altInfo.leftRecursiveRuleRefLabel); if (altActionST.impl.FormalArguments.Any(x => x.Name == "isListLabel")) { altActionST.Add("isListLabel", altInfo.isListLabel); } else if (altInfo.isListLabel) { @delegate.GetGenerator().tool.errMgr.ToolError(ErrorType.CODE_TEMPLATE_ARG_ISSUE, templateName, "isListLabel"); } AltLabelStructDecl ctx = null; if (altInfo.altLabel != null) { function.altLabelCtxs.TryGetValue(altInfo.altLabel, out ctx); } Action altAction = new Action(@delegate, ctx, altActionST); CodeBlockForAlt alt = opAltsCode[i]; alt.InsertOp(0, altAction); } }