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Issue #157: fix java grammar for unicode escape

This commit is contained in:
rnveach 2015-09-07 15:17:01 -04:00 committed by Roman Ivanov
parent e5dd96d8dc
commit 59483db973
2 changed files with 10 additions and 1 deletions
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2
src/main/resources/com/puppycrawl/tools/checkstyle/grammars/java.g
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@ -1796,7 +1796,7 @@ ESC
(options { generateAmbigWarnings=false; }
: '0' '0' '5' ('c'|'C')
(options { generateAmbigWarnings=false; }
: '\\' ('u')+ '0' '0' '5' ('c'|'C')
: '\\' ('u')+ HEX_DIGIT HEX_DIGIT HEX_DIGIT HEX_DIGIT
| STD_ESC
)
| HEX_DIGIT HEX_DIGIT HEX_DIGIT HEX_DIGIT

9
src/test/resources/com/puppycrawl/tools/checkstyle/grammars/UnicodeEscape.java
View File

@ -22,6 +22,8 @@ public class UnicodeEscape
char o = '\u005B';
char p = '\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu005cr'; // Tests the lookahead
char q = '\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu005D';
char r = '\u005c\u0027';
char s = '\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu005c\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu0027';
char wtf1 = '\u005c\u005c'; // This is a legal backslash
String wtf2 = "\\u005c"; // = "\u005c", with a single backslash, and != a backslash!
@ -29,4 +31,11 @@ public class UnicodeEscape
//char wtf3 = '\\u005c'; // This is therefore, illegal
//char z = '\u005cu005c'; /* This is illegal */
String sa = "\u0078\u006b\u0020\u005c\u0022\u003f\u0020\u19e8\u19f2\u19ec";
String sb = "ihcp gyqnaznr \u2d21\u2d07\u2d0a\u2d02\u2d23\u2d27";
String sc = "\u3009\u3007\u3017\u3032 ]*+f?)).[. xhc";
String sd = "\u1f073\u1f08a\u1f09d\u1f09a nfllv \u03ac\udd762\u029c";
String se = "\u0721\ue723\ue76eM \u2ffc\u2ff1 \u123e1 tzouw \ufadaZ";
String sf = "abc\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu005c\u0022def";
}