+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * openECOMP : SDN-C
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights
- * reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.sdnc.sli;
-
-import java.util.LinkedList;
-import java.util.List;
-
-import org.antlr.v4.runtime.tree.TerminalNode;
-import org.openecomp.sdnc.sli.ExprGrammarParser.AddExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.AtomContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.CompareExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.ConstantContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.ExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.FuncExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.MultExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.ParenExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.RelExprContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.VariableContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.VariableLeadContext;
-import org.openecomp.sdnc.sli.ExprGrammarParser.VariableTermContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class SvcLogicExprListener extends ExprGrammarBaseListener
-{
-
-
-
-
- private static final Logger LOG = LoggerFactory
- .getLogger(SvcLogicExprListener.class);
-
- private SvcLogicExpression curExpr;
- private SvcLogicExpression topExpr;
- private LinkedList<SvcLogicExpression> exprStack;
-
- public SvcLogicExprListener()
- {
- exprStack = new LinkedList<SvcLogicExpression>();
- }
-
- public SvcLogicExpression getParsedExpr()
- {
- return(curExpr);
- }
-
- private void pushOperand(SvcLogicExpression operand)
- {
- if (curExpr == null)
- {
- curExpr = operand;
- }
- else
- {
- curExpr.addOperand(operand);
- }
- }
-
- private void pushExpr(SvcLogicExpression expr)
- {
- LOG.trace("Pushing expression ["+expr.getClass().getName()+"]");
- if (curExpr != null)
- {
- exprStack.push(curExpr);
- }
- curExpr = expr;
- }
-
- private void popExpr()
- {
- if (exprStack.isEmpty())
- {
- LOG.trace("Popping last expression");
- topExpr = curExpr;
- }
- else
- {
- SvcLogicExpression lastExpr = curExpr;
- curExpr = exprStack.pop();
- curExpr.addOperand(lastExpr);
- LOG.trace("New curExpr is ["+curExpr.getClass().getName()+"]");
- }
-
- }
-
- @Override
- public void enterAtom(AtomContext ctx) {
-
- String atomText = ctx.getText();
-
- LOG.trace("enterAtom: text = "+atomText);
-
-
- SvcLogicAtom newAtom = new SvcLogicAtom(atomText);
-
- pushExpr(newAtom);
- }
-
-
- @Override
- public void enterMultExpr(MultExprContext ctx) {
- LOG.trace("enterMultExpr: text = "+ctx.getText());
-
- SvcLogicBinaryExpression curBinExpr = new SvcLogicBinaryExpression();
- pushExpr(curBinExpr);
-
- List<TerminalNode> opList = ctx.MULTOP();
-
- for (TerminalNode nd : opList)
- {
- LOG.trace("enterMultExpr: operator - "+nd.getText());
- curBinExpr.addOperator(nd.getText());
- }
-
- }
-
- @Override
- public void exitMultExpr(MultExprContext ctx) {
-
- LOG.trace("exitMultExpr: text = "+ctx.getText());
-
- popExpr();
-
- }
-
- @Override
- public void exitAtom(AtomContext ctx) {
- LOG.trace("exitAtom: text = "+ctx.getText());
- popExpr();
- }
-
- @Override
- public void enterAddExpr(AddExprContext ctx) {
- LOG.trace("enterAddExpr: text = "+ctx.getText());
- List<TerminalNode> opList = ctx.ADDOP();
-
-
- SvcLogicBinaryExpression curBinExpr = new SvcLogicBinaryExpression();
- pushExpr(curBinExpr);
-
-
- for (TerminalNode nd : opList)
- {
- LOG.trace("enterAddExpr: operator - "+nd.getText());
- curBinExpr.addOperator(nd.getText());
- }
-
- }
-
- @Override
- public void exitAddExpr(AddExprContext ctx) {
- LOG.trace("exitAddExpr: text = "+ctx.getText());
-
- popExpr();
- }
-
- @Override
- public void enterFuncExpr(FuncExprContext ctx) {
- LOG.trace("enterFuncExpr: text = "+ctx.getText());
- LOG.trace("enterFuncExpr - IDENTIFIER : "+ctx.IDENTIFIER().getText());
-
- for (ExprContext expr: ctx.expr())
- {
- LOG.trace("enterFuncExpr - expr = "+expr.getText());
- }
-
-
- pushExpr(new SvcLogicFunctionCall(ctx.IDENTIFIER().getText()));
- }
-
- @Override
- public void exitFuncExpr(FuncExprContext ctx) {
- LOG.trace("exitFuncExpr: text = "+ctx.getText());
-
- popExpr();
- }
-
- @Override
- public void enterParenExpr(ParenExprContext ctx) {
- LOG.trace("enterParenExpr: text = "+ctx.getText());
- LOG.trace("enterParenExpr: expr = "+ctx.expr().getText());
- }
-
- @Override
- public void exitParenExpr(ParenExprContext ctx) {
- LOG.trace("exitParenExpr: text = "+ctx.getText());
- }
-
- @Override
- public void enterRelExpr(RelExprContext ctx) {
- LOG.trace("enterRelExpr: text = "+ctx.getText());
-
- List<TerminalNode> opList = ctx.RELOP();
-
-
- SvcLogicBinaryExpression curBinExpr = new SvcLogicBinaryExpression();
- pushExpr(curBinExpr);
-
-
- for (TerminalNode nd : opList)
- {
- LOG.trace("enterRelExpr: operator - "+nd.getText());
- curBinExpr.addOperator(nd.getText());
- }
-
- }
-
- @Override
- public void exitRelExpr(RelExprContext ctx) {
- LOG.trace("exitRelExpr: text = "+ctx.getText());
-
- popExpr();
- }
-
- @Override
- public void enterCompareExpr(CompareExprContext ctx) {
- LOG.trace("enterCompareExpr: text = "+ctx.getText());
-
- TerminalNode nd = ctx.COMPAREOP();
-
- SvcLogicBinaryExpression curBinExpr = new SvcLogicBinaryExpression();
- pushExpr(curBinExpr);
-
- LOG.trace("enterCompareExpr: operator - "+nd.getText());
- curBinExpr.addOperator(nd.getText());
-
- }
-
- @Override
- public void exitCompareExpr(CompareExprContext ctx) {
- LOG.trace("exitCompareExpr : text = "+ctx.getText());
-
- popExpr();
- }
-
-
-
- @Override
- public void enterConstant(ConstantContext ctx) {
- LOG.trace("enterConstant: text = "+ctx.getText());
- }
-
- @Override
- public void exitConstant(ConstantContext ctx) {
- LOG.trace("exitConstant: text = "+ctx.getText());
- }
-
-
- @Override
- public void enterVariable(VariableContext ctx) {
- LOG.trace("enterVariable: text = "+ctx.getText());
-
-
- }
-
- @Override
- public void exitVariable(VariableContext ctx) {
- LOG.debug("exitVariable: text ="+ctx.getText());
-
- }
-
-
- @Override
- public void enterVariableLead(VariableLeadContext ctx) {
-
- LOG.debug("enterVariableLead: text ="+ctx.getText());
-
-
- }
-
- @Override
- public void exitVariableLead(VariableLeadContext ctx) {
-
- LOG.trace("exitVariableLead: text ="+ctx.getText());
- }
-
- @Override
- public void enterVariableTerm(VariableTermContext ctx) {
- LOG.trace("enterVariableTerm: text ="+ctx.getText());
-
- String name = ctx.getText();
-
- int subscrStart = name.indexOf("[");
- if (subscrStart > -1)
- {
- name = name.substring(0, subscrStart);
- }
- SvcLogicVariableTerm vterm = new SvcLogicVariableTerm(name);
- pushExpr(vterm);
- }
-
- @Override
- public void exitVariableTerm(VariableTermContext ctx) {
- LOG.trace("exitVariableTerm: text="+ctx.getText());
- popExpr();
- }
-}
Code Review / sdnc / core.git / blobdiff