Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/parser/UnicodeReader.java
src/share/classes/com/sun/tools/javac/parser/UnicodeReader.java
- changeset 1339
- 0e5899f09dab
- parent 1125
- 56830d5cb5bb
- child 1358
- fc123bdeddb8
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| 1338:ad2ca2a4ab5e | 1339:0e5899f09dab |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. Oracle designates this | 7 * published by the Free Software Foundation. Oracle designates this |
| 23 * questions. | 23 * questions. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 package com.sun.tools.javac.parser; | 26 package com.sun.tools.javac.parser; |
| 27 | 27 |
| 28 import java.nio.CharBuffer; | |
| 29 import java.util.Arrays; | |
| 30 | |
| 28 import com.sun.tools.javac.file.JavacFileManager; | 31 import com.sun.tools.javac.file.JavacFileManager; |
| 32 import com.sun.tools.javac.util.ArrayUtils; | |
| 29 import com.sun.tools.javac.util.Log; | 33 import com.sun.tools.javac.util.Log; |
| 30 import com.sun.tools.javac.util.Name; | 34 import com.sun.tools.javac.util.Name; |
| 31 import com.sun.tools.javac.util.Names; | 35 import com.sun.tools.javac.util.Names; |
| 32 | |
| 33 import java.nio.CharBuffer; | |
| 34 | 36 |
| 35 import static com.sun.tools.javac.util.LayoutCharacters.*; | 37 import static com.sun.tools.javac.util.LayoutCharacters.*; |
| 36 | 38 |
| 37 /** The char reader used by the javac lexer/tokenizer. Returns the sequence of | 39 /** The char reader used by the javac lexer/tokenizer. Returns the sequence of |
| 38 * characters contained in the input stream, handling unicode escape accordingly. | 40 * characters contained in the input stream, handling unicode escape accordingly. |
| 89 names = sf.names; | 91 names = sf.names; |
| 90 if (inputLength == input.length) { | 92 if (inputLength == input.length) { |
| 91 if (input.length > 0 && Character.isWhitespace(input[input.length - 1])) { | 93 if (input.length > 0 && Character.isWhitespace(input[input.length - 1])) { |
| 92 inputLength--; | 94 inputLength--; |
| 93 } else { | 95 } else { |
| 94 char[] newInput = new char[inputLength + 1]; | 96 input = Arrays.copyOf(input, inputLength + 1); |
| 95 System.arraycopy(input, 0, newInput, 0, input.length); | |
| 96 input = newInput; | |
| 97 } | 97 } |
| 98 } | 98 } |
| 99 buf = input; | 99 buf = input; |
| 100 buflen = inputLength; | 100 buflen = inputLength; |
| 101 buf[buflen] = EOI; | 101 buf[buflen] = EOI; |
| 128 } | 128 } |
| 129 | 129 |
| 130 /** Append a character to sbuf. | 130 /** Append a character to sbuf. |
| 131 */ | 131 */ |
| 132 protected void putChar(char ch, boolean scan) { | 132 protected void putChar(char ch, boolean scan) { |
| 133 if (sp == sbuf.length) { | 133 sbuf = ArrayUtils.ensureCapacity(sbuf, sp); |
| 134 char[] newsbuf = new char[sbuf.length * 2]; | |
| 135 System.arraycopy(sbuf, 0, newsbuf, 0, sbuf.length); | |
| 136 sbuf = newsbuf; | |
| 137 } | |
| 138 sbuf[sp++] = ch; | 134 sbuf[sp++] = ch; |
| 139 if (scan) | 135 if (scan) |
| 140 scanChar(); | 136 scanChar(); |
| 141 } | 137 } |
| 142 | 138 |
