Package org.antlr.v4.runtime

Examples of org.antlr.v4.runtime.TokenStreamRewriter$ReplaceOp

122
123
124
125
126
127
128
129
130
131
132
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(2, "x");
    String result = tokens.getText();
    String expecting = "abx";
    assertEquals(expecting, result);
  }
View Full Code Here
139
140
141
142
143
144
145
146
147
148
149
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    String result = tokens.getText();
    String expecting = "axc";
    assertEquals(expecting, result);
  }
View Full Code Here
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
    // Input:  x = 3 * 0;
    String input = "x = 3 * 0;";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(4, 8, "0");
    stream.fill();
// replace 3 * 0 with 0

    String result = tokens.getTokenStream().getText();
    String expecting = "x = 3 * 0;";
    assertEquals(expecting, result);

    result = tokens.getText();
    expecting = "x = 0;";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(0, 9));
    expecting = "x = 0;";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(4, 8));
    expecting = "0";
    assertEquals(expecting, result);
  }
View Full Code Here
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
    // Input:  x = 3 * 0 + 2 * 0;
    String input = "x = 3 * 0 + 2 * 0;";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);

    String result = tokens.getTokenStream().getText();
    String expecting = "x = 3 * 0 + 2 * 0;";
    assertEquals(expecting, result);

    tokens.replace(4, 8, "0");
    stream.fill();
// replace 3 * 0 with 0
    result = tokens.getText();
    expecting = "x = 0 + 2 * 0;";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(0, 17));
    expecting = "x = 0 + 2 * 0;";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(4, 8));
    expecting = "0";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(0, 8));
    expecting = "x = 0";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(12, 16));
    expecting = "2 * 0";
    assertEquals(expecting, result);

    tokens.insertAfter(17, "// comment");
    result = tokens.getText(Interval.of(12, 18));
    expecting = "2 * 0;// comment";
    assertEquals(expecting, result);

    result = tokens.getText(Interval.of(0, 8));
    stream.fill();
// try again after insert at end
    expecting = "x = 0";
    assertEquals(expecting, result);
  }
View Full Code Here
251
252
253
254
255
256
257
258
259
260
261
262
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    tokens.replace(1, "y");
    String result = tokens.getText();
    String expecting = "ayc";
    assertEquals(expecting, result);
  }
View Full Code Here
269
270
271
272
273
274
275
276
277
278
279
280
281
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertBefore(0, "_");
    tokens.replace(1, "x");
    tokens.replace(1, "y");
    String result = tokens.getText();
    String expecting = "_ayc";
    assertEquals(expecting, result);
  }
View Full Code Here
288
289
290
291
292
293
294
295
296
297
298
299
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(1, "x");
    tokens.delete(1);
    String result = tokens.getText();
    String expecting = "ac";
    assertEquals(expecting, result);
  }
View Full Code Here
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.replace(0, 2, "x");
    tokens.insertBefore(1, "0");
    Exception exc = null;
    try {
      tokens.getText();
    }
    catch (IllegalArgumentException iae) {
      exc = iae;
    }
    String expecting = "insert op <InsertBeforeOp@[@1,1:1='b',<2>,1:1]:\"0\"> within boundaries of previous <ReplaceOp@[@0,0:0='a',<1>,1:0]..[@2,2:2='c',<3>,1:2]:\"x\">";
View Full Code Here
331
332
333
334
335
336
337
338
339
340
341
342
343
344
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertBefore(0, "0");
    tokens.replace(0, "x");
    stream.fill();
// supercedes insert at 0
    String result = tokens.getText();
    String expecting = "0xbc";
    assertEquals(expecting, result);
  }
View Full Code Here
351
352
353
354
355
356
357
358
359
360
361
362
                       "C : 'c';\n");
    String input = "abc";
    LexerInterpreter lexEngine = g.createLexerInterpreter(new ANTLRInputStream(input));
    CommonTokenStream stream = new CommonTokenStream(lexEngine);
    stream.fill();
    TokenStreamRewriter tokens = new TokenStreamRewriter(stream);
    tokens.insertBefore(1, "x");
    tokens.insertBefore(1, "y");
    String result = tokens.getText();
    String expecting = "ayxbc";
    assertEquals(expecting, result);
  }
View Full Code Here
TOP

Related Classes of org.antlr.v4.runtime.TokenStreamRewriter$ReplaceOp

  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
  • org.antlr.runtime.tree.CommonTree
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.antlr.runtime.tree.Tree
  • org.antlr.runtime.tree.TreeVisitor
  • org.antlr.runtime.tree.TreeVisitorAction
  • org.antlr.v4.analysis.LeftRecursionDetector
    • 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.