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regexp: every escaped character is legal in js's regexp dialect

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This commit is contained in:
Bas Leijdekkers
2016-12-13 20:09:25 +01:00
parent 0126fb0d7d
commit d48fd408c1
1 changed files with 6 additions and 4 deletions
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RegExpSupport/src/org/intellij/lang/regexp/psi/impl/RegExpCharImpl.java
+6 -4
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@@ -36,6 +36,7 @@ public class RegExpCharImpl extends RegExpElementImpl implements RegExpChar {
super(astNode);
}
@Override
@NotNull
public Type getType() {
final ASTNode child = getNode().getFirstChildNode();
@@ -54,6 +55,7 @@ public class RegExpCharImpl extends RegExpElementImpl implements RegExpChar {
}
}
@Override
@Nullable
public Character getValue() {
final String s = getUnescapedText();
@@ -68,7 +70,7 @@ public class RegExpCharImpl extends RegExpElementImpl implements RegExpChar {
boolean escaped = false;
for (int idx = 0; idx < length; idx++) {
char ch = s.charAt(idx);
final char ch = s.charAt(idx);
if (!escaped) {
if (ch == '\\') {
escaped = true;
@@ -101,6 +103,9 @@ public class RegExpCharImpl extends RegExpElementImpl implements RegExpChar {
}
return length == 4 ? parseNumber(idx, s, 16, 2, true) : null;
case 'u':
if (length != 6) {
return ch;
}
return parseNumber(idx, s, 16, 4, true);
case '0':
case '1':
@@ -112,9 +117,6 @@ public class RegExpCharImpl extends RegExpElementImpl implements RegExpChar {
case '7':
return parseNumber(idx - 1, s, 8, length - idx, false);
default:
if (Character.isLetter(ch)) {
return null;
}
return ch;
}
}