Package org.antlr.v4.runtime.tree

Examples of org.antlr.v4.runtime.tree.TerminalNode

128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
      if (startNode instanceof ParserRuleContext) {
        ParserRuleContext context = (ParserRuleContext) startNode;
        node.setStartLine(context.getStart().getLine());
        node.setStartIndex(context.getStart().getStartIndex());
      } else if (startNode instanceof TerminalNode) {
        TerminalNode terminal = (TerminalNode) startNode;
        node.setStartLine(terminal.getSymbol().getLine());
        node.setStartIndex(terminal.getSymbol().getStartIndex());
      }

      if (endNode instanceof ParserRuleContext) {
        ParserRuleContext context = (ParserRuleContext) endNode;
        node.setEndLine(context.getStop().getLine());
        node.setEndIndex(context.getStop().getStopIndex());
      } else if (endNode instanceof TerminalNode) {
        TerminalNode terminal = (TerminalNode) endNode;
        node.setEndLine(terminal.getSymbol().getLine());
        node.setEndIndex(terminal.getSymbol().getStopIndex());
      }
    }
  }
View Full Code Here
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
     * @return value matching AST node type
     */
    public static Object parse(ParseTree node)
    {
        if (node instanceof TerminalNode) {
            TerminalNode terminal = (TerminalNode) node;
            switch(terminal.getSymbol().getType())
            {
                case EsperEPL2GrammarParser.BOOLEAN_TRUE:  return BoolValue.parseString(terminal.getText());
                case EsperEPL2GrammarParser.BOOLEAN_FALSE: return BoolValue.parseString(terminal.getText());
                case EsperEPL2GrammarParser.VALUE_NULL:    return null;
                default:
                    throw ASTWalkException.from("Encountered unexpected constant type " + terminal.getSymbol().getType(), terminal.getSymbol());
            }
        }
        else {
            RuleNode ruleNode = (RuleNode) node;
            int ruleIndex = ruleNode.getRuleContext().getRuleIndex();
View Full Code Here
46
47
48
49
50
51
52
53
    public static boolean isTerminatedOfType(Tree child, int tokenType) {
        if (!(child instanceof TerminalNode)) {
            return false;
        }
        TerminalNode termNode = (TerminalNode) child;
        return termNode.getSymbol().getType() == tokenType;
    }
View Full Code Here
62
63
64
65
66
67
68
69
    public static int getAssertTerminatedTokenType(ParseTree child) {
        if (!(child instanceof TerminalNode)) {
            throw ASTWalkException.from("Unexpected exception walking AST, expected terminal node", child.getText());
        }
        TerminalNode term = (TerminalNode) child;
        return term.getSymbol().getType();
    }
View Full Code Here
171
172
173
174
175
176
177
178
179
180
181
182
183
184
                int ruleIndex = ctx.getRuleIndex();
                String ruleName = EsperEPL2GrammarParser.ruleNames[ruleIndex];
                printer.print(ruleName);
            }
            else {
                TerminalNode terminal = (TerminalNode) node;
                printer.print(terminal.getSymbol().getText());
                printer.print(" [");
                printer.print(terminal.getSymbol().getType());
                printer.print("]");
            }

            if (node instanceof ParseTree) {
                ParseTree parseTree = (ParseTree) node;
View Full Code Here
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
      if (startNode instanceof ParserRuleContext) {
        ParserRuleContext context = (ParserRuleContext) startNode;
        node.setStartLine(context.getStart().getLine());
        node.setStartColumn(context.getStart().getCharPositionInLine());
      } else if (startNode instanceof TerminalNode) {
        TerminalNode terminal = (TerminalNode) startNode;
        node.setStartLine(terminal.getSymbol().getLine());
        node.setStartColumn(terminal.getSymbol().getCharPositionInLine());
      }

      if (endNode instanceof ParserRuleContext) {
        ParserRuleContext context = (ParserRuleContext) endNode;
        node.setEndLine(context.getStop().getLine());
        node.setEndColumn(context.getStop().getCharPositionInLine()
            + context.getStop().getText().length() - 1);
      } else if (endNode instanceof TerminalNode) {
        TerminalNode terminal = (TerminalNode) endNode;
        node.setEndLine(terminal.getSymbol().getLine());
        node.setEndColumn(terminal.getSymbol().getCharPositionInLine()
            + terminal.getSymbol().getText().length() - 1);
      }
    }
  }
View Full Code Here
138
139
140
141
142
143
144
145
146
147
148
    ATNOptimizer.optimize(g, atn);

    for (Triple<Rule, ATNState, ATNState> pair : preventEpsilonClosureBlocks) {
      LL1Analyzer analyzer = new LL1Analyzer(atn);
      if (analyzer.LOOK(pair.b, pair.c, null).contains(org.antlr.v4.runtime.Token.EPSILON)) {
        ErrorType errorType = pair.a instanceof LeftRecursiveRule ? ErrorType.EPSILON_LR_FOLLOW : ErrorType.EPSILON_CLOSURE;
        g.tool.errMgr.grammarError(errorType, g.fileName, ((GrammarAST)pair.a.ast.getChild(0)).getToken(), pair.a.name);
      }
    }

    optionalCheck:
View Full Code Here
202
203
204
205
206
207
208
209
210
211
212
  /* start->ruleblock->end */
  @NotNull
  @Override
  public Handle rule(@NotNull GrammarAST ruleAST, @NotNull String name, @NotNull Handle blk) {
    Rule r = g.getRule(name);
    RuleStartState start = atn.ruleToStartState[r.index];
    epsilon(start, blk.left);
    RuleStopState stop = atn.ruleToStopState[r.index];
    epsilon(blk.right, stop);
    Handle h = new Handle(start, stop);
View Full Code Here
302
303
304
305
306
307
308
309
310
311
312
    return h;
  }

  @NotNull
  public Handle _ruleRef(@NotNull GrammarAST node) {
    Rule r = g.getRule(node.getText());
    if ( r==null ) {
      g.tool.errMgr.grammarError(ErrorType.INTERNAL_ERROR, g.fileName, node.getToken(), "Rule "+node.getText()+" undefined");
      return null;
    }
    RuleStartState start = atn.ruleToStartState[r.index];
View Full Code Here
144
145
146
147
148
149
150
151
152
153
154
//    System.out.println("setAltAssoc: op " + alt + ": " + t.getText()+", assoc="+assoc);
  }

  @Override
  public void binaryAlt(AltAST originalAltTree, int alt) {
    AltAST altTree = (AltAST)originalAltTree.dupTree();
    String altLabel = altTree.altLabel!=null ? altTree.altLabel.getText() : null;

    String label = null;
    boolean isListLabel = false;
    GrammarAST lrlabel = stripLeftRecursion(altTree);
View Full Code Here
TOP

Related Classes of org.antlr.v4.runtime.tree.TerminalNode

  • com.bacoder.parser.core.Adapter
  • com.bacoder.parser.java.adapter.ExpressionAdapter
  • com.bacoder.parser.java.adapter.JavaAdapter
  • com.bacoder.parser.java.adapter.StatementAdapter
  • com.espertech.esper.epl.parse.ASTUtil
  • com.wesleyhome.math.equation.InfixEvaluator
  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.