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support Python conditional references in regexps

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This commit is contained in:
Dmitry Jemerov
2010-03-22 22:13:36 +03:00
parent d1e347d62b
commit 51c26558d0
11 changed files with 249 additions and 135 deletions
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RegExpSupport/src/org/intellij/lang/regexp/RegExpElementTypes.java
+1
View File
@@ -37,6 +37,7 @@ public interface RegExpElementTypes {
IElementType BACKREF = new RegExpElementType("BACKREF");
IElementType BOUNDARY = new RegExpElementType("BOUNDARY");
IElementType PY_NAMED_GROUP_REF = new RegExpElementType("PY_NAMED_GROUP_REF");
IElementType PY_COND_REF = new RegExpElementType("PY_COND_REF");
TokenSet ATOMS = TokenSet.create(CLOSURE, BOUNDARY,
SIMPLE_CLASS, CLASS, CHAR, GROUP, PROPERTY, SET_OPTIONS, BACKREF, PY_NAMED_GROUP_REF);
RegExpSupport/src/org/intellij/lang/regexp/RegExpLanguageHost.java
+1
View File
@@ -23,4 +23,5 @@ public interface RegExpLanguageHost {
boolean supportsPerl5EmbeddedComments();
boolean supportsPossessiveQuantifiers();
boolean supportsPythonNamedGroups();
boolean supportsPythonConditionalRefs();
}
RegExpSupport/src/org/intellij/lang/regexp/RegExpParser.java
+21
View File
@@ -361,6 +361,27 @@ public class RegExpParser implements PsiParser {
checkMatches(builder, RegExpTT.NAME, "Group name expected");
checkMatches(builder, RegExpTT.GROUP_END, "Unclosed group reference");
marker.done(RegExpElementTypes.PY_NAMED_GROUP_REF);
} else if (type == RegExpTT.PYTHON_COND_REF) {
builder.advanceLexer();
if (builder.getTokenType() == RegExpTT.NAME || builder.getTokenType() == RegExpTT.NUMBER) {
builder.advanceLexer();
}
else {
builder.error("Group name or number expected");
}
checkMatches(builder, RegExpTT.GROUP_END, "Unclosed group reference");
if (!parseBranch(builder)) {
patternExpected(builder);
} else {
if (builder.getTokenType() == RegExpTT.UNION) {
builder.advanceLexer();
if (!parseBranch(builder)) {
patternExpected(builder);
}
}
checkMatches(builder, RegExpTT.GROUP_END, "Unclosed group");
}
marker.done(RegExpElementTypes.PY_COND_REF);
} else if (type == RegExpTT.PROPERTY) {
parseProperty(builder);
marker.done(RegExpElementTypes.PROPERTY);
RegExpSupport/src/org/intellij/lang/regexp/RegExpParserDefinition.java
+3
View File
@@ -98,7 +98,10 @@ public class RegExpParserDefinition implements ParserDefinition {
return new RegExpIntersectionImpl(node);
} else if (type == RegExpElementTypes.PY_NAMED_GROUP_REF) {
return new RegExpPyNamedGroupRefImpl(node);
} else if (type == RegExpElementTypes.PY_COND_REF) {
return new RegExpPyCondRefImpl(node);
}
return new ASTWrapperPsiElement(node);
}
RegExpSupport/src/org/intellij/lang/regexp/RegExpTT.java
+3
View File
@@ -104,6 +104,9 @@ public interface RegExpTT {
IElementType PYTHON_NAMED_GROUP = new RegExpElementType("PYTHON_NAMED_GROUP");
// (?P=name)
IElementType PYTHON_NAMED_GROUP_REF = new RegExpElementType("PYTHON_NAMED_GROUP_REF");
// (?(id/name)yes-pattern|no-pattern)
IElementType PYTHON_COND_REF = new RegExpElementType("PYTHON_COND_REF");
TokenSet KEYWORDS = TokenSet.create(DOT, STAR, QUEST, PLUS);
RegExpSupport/src/org/intellij/lang/regexp/_RegExLexer.java
+142 -134
View File
@@ -1,4 +1,4 @@
/* The following code was generated by JFlex 1.4.3 on 22.03.10 21:13 */
/* The following code was generated by JFlex 1.4.3 on 22.03.10 22:06 */
/* It's an automatically generated code. Do not modify it. */
package org.intellij.lang.regexp;
@@ -14,7 +14,7 @@ import com.intellij.psi.StringEscapesTokenTypes;
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.4.3
* on 22.03.10 21:13 from the specification file
* on 22.03.10 22:06 from the specification file
* <tt>C:/JetBrains/IDEA/tools/lexer/../../community/RegExpSupport/src/org/intellij/lang/regexp/regexp-lexer.flex</tt>
*/
class _RegExLexer implements FlexLexer {
@@ -27,6 +27,7 @@ class _RegExLexer implements FlexLexer {
public static final int PY_NAMED_GROUP_REF = 18;
public static final int QUOTED = 2;
public static final int OPTIONS = 12;
public static final int PY_COND_REF = 20;
public static final int YYINITIAL = 0;
public static final int CLASS2 = 8;
public static final int CLASS1 = 6;
@@ -41,7 +42,7 @@ class _RegExLexer implements FlexLexer {
*/
private static final int ZZ_LEXSTATE[] = {
0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7,
8, 8, 9, 9
8, 8, 9, 9, 10, 10
};
/**
@@ -127,20 +128,20 @@ class _RegExLexer implements FlexLexer {
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\6\0\1\1\1\2\2\0\1\3\1\4\1\5\1\6"+
"\6\0\1\1\1\2\3\0\1\3\1\4\1\5\1\6"+
"\1\7\1\10\1\11\1\12\1\13\1\14\1\15\1\16"+
"\1\17\1\20\1\21\1\22\1\23\1\3\1\24\1\25"+
"\1\26\1\27\1\30\1\31\1\32\1\33\1\34\1\3"+
"\1\35\1\36\1\35\1\37\1\40\1\1\1\41\1\42"+
"\1\2\1\43\1\44\1\45\1\46\1\47\1\50\1\51"+
"\1\52\1\53\1\54\1\55\2\56\1\57\1\11\1\60"+
"\1\61\1\62\1\63\1\64\1\0\1\65\1\66\1\67"+
"\2\0\1\70\1\71\2\61\2\62\1\72\1\73\1\74"+
"\1\75\1\0\1\70\1\61\1\76\2\62\1\77\1\70"+
"\3\62\1\100";
"\1\61\1\62\1\63\1\64\1\65\1\0\1\66\1\67"+
"\1\70\2\0\1\71\1\72\2\61\2\62\1\73\1\74"+
"\1\75\1\76\1\0\1\71\1\61\1\77\2\62\1\100"+
"\1\71\3\62\1\101";
private static int [] zzUnpackAction() {
int [] result = new int[95];
int [] result = new int[97];
int offset = 0;
offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
return result;
@@ -166,20 +167,21 @@ class _RegExLexer implements FlexLexer {
private static final String ZZ_ROWMAP_PACKED_0 =
"\0\0\0\62\0\144\0\226\0\310\0\372\0\u012c\0\u015e"+
"\0\u0190\0\u01c2\0\u01f4\0\u01f4\0\u0226\0\u01f4\0\u01f4\0\u0258"+
"\0\u028a\0\u01f4\0\u01f4\0\u01f4\0\u01f4\0\u01f4\0\u01f4\0\u01f4"+
"\0\u01f4\0\u01f4\0\u01f4\0\u02bc\0\u01f4\0\u02ee\0\u01f4\0\u0320"+
"\0\u01f4\0\u01f4\0\u01f4\0\u01f4\0\u01f4\0\u0352\0\u01f4\0\u01f4"+
"\0\u0258\0\u01f4\0\u01f4\0\u0384\0\u03b6\0\u01f4\0\u01f4\0\u01f4"+
"\0\u03e8\0\u01f4\0\u01f4\0\u041a\0\u044c\0\u01f4\0\u01f4\0\u01f4"+
"\0\u01f4\0\u01f4\0\u01f4\0\u047e\0\u01f4\0\u01f4\0\u01f4\0\u04b0"+
"\0\u04e2\0\u01f4\0\u01f4\0\u0514\0\u01f4\0\u01f4\0\u01f4\0\u0546"+
"\0\u0578\0\u05aa\0\u01f4\0\u05dc\0\u060e\0\u0640\0\u0672\0\u01f4"+
"\0\u01f4\0\u01f4\0\u01f4\0\u06a4\0\u06d6\0\u01f4\0\u01f4\0\u0708"+
"\0\u073a\0\u01f4\0\u01f4\0\u076c\0\u079e\0\u01f4\0\u01f4";
"\0\u0190\0\u01c2\0\u01f4\0\u0226\0\u0226\0\u0258\0\u0226\0\u0226"+
"\0\u028a\0\u02bc\0\u0226\0\u0226\0\u0226\0\u0226\0\u0226\0\u0226"+
"\0\u0226\0\u0226\0\u0226\0\u0226\0\u02ee\0\u0226\0\u0320\0\u0226"+
"\0\u0352\0\u0226\0\u0226\0\u0226\0\u0226\0\u0226\0\u0384\0\u0226"+
"\0\u0226\0\u028a\0\u0226\0\u0226\0\u03b6\0\u03e8\0\u0226\0\u0226"+
"\0\u0226\0\u041a\0\u0226\0\u0226\0\u044c\0\u047e\0\u0226\0\u0226"+
"\0\u0226\0\u0226\0\u0226\0\u0226\0\u04b0\0\u0226\0\u0226\0\u0226"+
"\0\u04e2\0\u0514\0\u0226\0\u0226\0\u0226\0\u0546\0\u0226\0\u0226"+
"\0\u0226\0\u0578\0\u05aa\0\u05dc\0\u0226\0\u060e\0\u0640\0\u0672"+
"\0\u06a4\0\u0226\0\u0226\0\u0226\0\u0226\0\u06d6\0\u0708\0\u0226"+
"\0\u0226\0\u073a\0\u076c\0\u0226\0\u0226\0\u079e\0\u07d0\0\u0226"+
"\0\u0226";
private static int [] zzUnpackRowMap() {
int [] result = new int[95];
int [] result = new int[97];
int offset = 0;
offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
return result;
@@ -202,44 +204,46 @@ class _RegExLexer implements FlexLexer {
private static final int [] ZZ_TRANS = zzUnpackTrans();
private static final String ZZ_TRANS_PACKED_0 =
"\3\13\1\14\1\15\1\16\1\17\1\13\1\20\1\13"+
"\1\21\1\22\1\23\1\24\1\25\1\26\1\27\1\30"+
"\21\13\1\31\1\13\1\32\4\13\1\22\5\13\1\33"+
"\1\22\12\13\1\34\1\0\46\13\1\35\2\36\4\35"+
"\1\37\12\35\20\40\1\36\1\35\1\40\2\35\1\36"+
"\1\41\11\35\11\42\1\43\1\42\1\0\46\42\6\13"+
"\1\17\1\13\1\20\1\44\1\21\1\45\1\23\26\13"+
"\1\31\5\13\1\46\1\45\6\13\1\45\6\47\1\50"+
"\1\47\1\51\1\47\1\21\47\47\5\52\1\53\14\52"+
"\20\54\1\52\1\55\1\54\6\52\1\56\6\52\13\10"+
"\1\57\45\10\1\57\22\0\20\40\2\0\1\40\7\0"+
"\1\60\5\0\5\52\1\53\14\52\20\40\2\52\1\40"+
"\15\52\100\0\1\61\54\0\1\62\50\0\1\63\1\64"+
"\1\65\4\66\1\63\1\66\1\63\1\66\1\67\6\66"+
"\2\70\2\71\2\72\1\73\1\74\1\73\2\75\1\76"+
"\1\77\1\76\1\100\1\101\1\64\1\66\1\76\1\67"+
"\4\63\1\67\6\63\1\67\37\0\1\102\23\0\2\36"+
"\37\0\1\36\4\0\1\36\13\0\2\40\17\0\21\40"+
"\1\0\1\40\1\0\2\40\63\0\1\103\32\0\20\54"+
"\2\0\1\54\37\0\20\55\2\0\1\55\51\0\1\104"+
"\16\0\2\105\1\106\1\107\1\110\1\111\2\0\2\64"+
"\37\0\1\64\21\0\1\112\37\0\1\112\17\0\62\113"+
"\1\114\2\115\20\114\2\115\2\114\3\115\3\114\1\115"+
"\1\114\1\115\2\114\1\115\17\114\1\116\2\117\20\116"+
"\3\14\1\15\1\16\1\17\1\20\1\14\1\21\1\14"+
"\1\22\1\23\1\24\1\25\1\26\1\27\1\30\1\31"+
"\21\14\1\32\1\14\1\33\4\14\1\23\5\14\1\34"+
"\1\23\12\14\1\35\1\0\46\14\1\36\2\37\4\36"+
"\1\40\12\36\20\41\1\37\1\36\1\41\2\36\1\37"+
"\1\42\11\36\11\43\1\44\1\43\1\0\46\43\6\14"+
"\1\20\1\14\1\21\1\45\1\22\1\46\1\24\26\14"+
"\1\32\5\14\1\47\1\46\6\14\1\46\6\50\1\51"+
"\1\50\1\52\1\50\1\22\47\50\5\53\1\54\14\53"+
"\20\55\1\53\1\56\1\55\6\53\1\57\6\53\13\10"+
"\1\60\45\10\1\60\22\0\20\41\2\0\1\41\7\0"+
"\1\61\5\0\5\53\1\54\14\53\20\41\2\53\1\41"+
"\16\53\2\37\2\53\1\54\14\53\20\41\1\37\1\53"+
"\1\41\2\53\1\37\12\53\100\0\1\62\54\0\1\63"+
"\50\0\1\64\1\65\1\66\4\67\1\64\1\67\1\64"+
"\1\67\1\70\6\67\2\71\2\72\2\73\1\74\1\75"+
"\1\74\2\76\1\77\1\100\1\77\1\101\1\102\1\65"+
"\1\67\1\77\1\70\4\64\1\70\6\64\1\70\37\0"+
"\1\103\23\0\2\37\37\0\1\37\4\0\1\37\13\0"+
"\2\41\17\0\21\41\1\0\1\41\1\0\2\41\63\0"+
"\1\104\32\0\20\55\2\0\1\55\37\0\20\56\2\0"+
"\1\56\21\0\1\105\27\0\1\106\16\0\2\107\1\110"+
"\1\111\1\112\1\113\2\0\2\65\37\0\1\65\21\0"+
"\1\114\37\0\1\114\17\0\62\115\1\116\2\117\20\116"+
"\2\117\2\116\3\117\3\116\1\117\1\116\1\117\2\116"+
"\1\117\17\116\55\0\1\120\1\0\1\121\57\0\1\122"+
"\1\123\3\0\5\124\1\0\54\124\2\0\1\125\37\0"+
"\1\125\17\0\63\126\2\127\20\126\2\127\2\126\3\127"+
"\3\126\1\127\1\126\1\127\2\126\1\127\17\126\63\130"+
"\1\117\17\116\1\120\2\121\20\120\2\121\2\120\3\121"+
"\3\120\1\121\1\120\1\121\2\120\1\121\17\120\55\0"+
"\1\122\1\0\1\123\57\0\1\124\1\125\3\0\5\126"+
"\1\0\54\126\2\0\1\127\37\0\1\127\17\0\63\130"+
"\2\131\20\130\2\131\2\130\3\131\3\130\1\131\1\130"+
"\1\131\2\130\1\131\17\130\5\124\1\132\54\124\2\0"+
"\1\133\37\0\1\133\17\0\63\134\2\135\20\134\2\135"+
"\2\134\3\135\3\134\1\135\1\134\1\135\2\134\1\135"+
"\17\134\63\136\2\137\20\136\2\137\2\136\3\137\3\136"+
"\1\137\1\136\1\137\2\136\1\137\17\136";
"\1\131\2\130\1\131\17\130\63\132\2\133\20\132\2\133"+
"\2\132\3\133\3\132\1\133\1\132\1\133\2\132\1\133"+
"\17\132\5\126\1\134\54\126\2\0\1\135\37\0\1\135"+
"\17\0\63\136\2\137\20\136\2\137\2\136\3\137\3\136"+
"\1\137\1\136\1\137\2\136\1\137\17\136\63\140\2\141"+
"\20\140\2\141\2\140\3\141\3\140\1\141\1\140\1\141"+
"\2\140\1\141\17\140";
private static int [] zzUnpackTrans() {
int [] result = new int[2000];
int [] result = new int[2050];
int offset = 0;
offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
return result;
@@ -280,15 +284,15 @@ class _RegExLexer implements FlexLexer {
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\6\0\2\1\2\0\2\11\1\1\2\11\2\1\12\11"+
"\6\0\2\1\3\0\2\11\1\1\2\11\2\1\12\11"+
"\1\1\1\11\1\1\1\11\1\1\5\11\1\1\2\11"+
"\1\1\2\11\2\1\3\11\1\1\2\11\2\1\6\11"+
"\1\1\3\11\2\1\2\11\1\0\3\11\2\0\1\1"+
"\1\1\3\11\2\1\3\11\1\0\3\11\2\0\1\1"+
"\1\11\4\1\4\11\1\0\1\1\2\11\2\1\2\11"+
"\2\1\2\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[95];
int [] result = new int[97];
int offset = 0;
offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
return result;
@@ -644,253 +648,257 @@ class _RegExLexer implements FlexLexer {
case 7:
{ if (yystate() != CLASS2) yypushstate(EMBRACED); return RegExpTT.LBRACE;
}
case 65: break;
case 66: break;
case 6:
{ return RegExpTT.GROUP_END;
}
case 66: break;
case 67: break;
case 37:
// lookahead expression with fixed base length
zzMarkedPos = zzStartRead + 1;
{ yypushstate(CLASS1); return RegExpTT.CLASS_BEGIN;
}
case 67: break;
case 68: break;
case 14:
{ return RegExpTT.STAR;
}
case 68: break;
case 69: break;
case 41:
{ return RegExpTT.ESC_CHARACTER;
}
case 69: break;
case 70: break;
case 28:
{ return commentMode ? com.intellij.psi.TokenType.WHITE_SPACE : RegExpTT.ESC_CHARACTER;
}
case 70: break;
case 71: break;
case 42:
{ return commentMode ? RegExpTT.CHARACTER : RegExpTT.REDUNDANT_ESCAPE;
}
case 71: break;
case 72: break;
case 38:
{ return RegExpTT.REDUNDANT_ESCAPE;
}
case 72: break;
case 73: break;
case 24:
{ return RegExpTT.COMMA;
}
case 73: break;
case 60:
case 74: break;
case 61:
{ return RegExpTT.POS_LOOKBEHIND;
}
case 74: break;
case 75: break;
case 40:
{ return RegExpTT.BAD_OCT_VALUE;
}
case 75: break;
case 76: break;
case 10:
{ return commentMode ? com.intellij.psi.TokenType.WHITE_SPACE : RegExpTT.CTRL_CHARACTER;
}
case 76: break;
case 77: break;
case 30:
{ yypopstate(); yypushstate(EMBRACED); return RegExpTT.LBRACE;
}
case 77: break;
case 78: break;
case 50:
{ return StringEscapesTokenTypes.INVALID_UNICODE_ESCAPE_TOKEN;
}
case 78: break;
case 61:
case 79: break;
case 62:
{ return RegExpTT.NEG_LOOKBEHIND;
}
case 79: break;
case 64:
case 80: break;
case 65:
{ return RegExpTT.UNICODE_CHAR;
}
case 80: break;
case 57:
case 81: break;
case 58:
{ if (xmlSchemaMode) { yypushback(1); return RegExpTT.CHAR_CLASS; } else return RegExpTT.CTRL;
}
case 81: break;
case 82: break;
case 36:
{ yybegin(OPTIONS); return RegExpTT.SET_OPTIONS;
}
case 82: break;
case 83: break;
case 12:
{ return RegExpTT.DOLLAR;
}
case 83: break;
case 84: break;
case 51:
{ yypopstate(); return RegExpTT.QUOTE_END;
}
case 84: break;
case 54:
case 85: break;
case 55:
{ return RegExpTT.POS_LOOKAHEAD;
}
case 85: break;
case 86: break;
case 22:
{ yypopstate(); return RegExpTT.RBRACE;
}
case 86: break;
case 87: break;
case 3:
{ return RegExpTT.CHARACTER;
}
case 87: break;
case 55:
case 88: break;
case 56:
{ return RegExpTT.NEG_LOOKAHEAD;
}
case 88: break;
case 89: break;
case 43:
{ return RegExpTT.ESC_CTRL_CHARACTER;
}
case 89: break;
case 90: break;
case 23:
{ return RegExpTT.NAME;
}
case 90: break;
case 91: break;
case 52:
{ return RegExpTT.ANDAND;
}
case 91: break;
case 92: break;
case 13:
{ return RegExpTT.QUEST;
}
case 92: break;
case 93: break;
case 45:
{ return RegExpTT.CHAR_CLASS;
}
case 93: break;
case 94: break;
case 17:
{ return RegExpTT.MINUS;
}
case 94: break;
case 63:
case 95: break;
case 64:
{ return RegExpTT.COMMENT;
}
case 95: break;
case 96: break;
case 39:
{ return yystate() != CLASS2 ? RegExpTT.BACKREF : RegExpTT.ESC_CHARACTER;
}
case 96: break;
case 97: break;
case 16:
{ return RegExpTT.UNION;
}
case 97: break;
case 98: break;
case 46:
{ if (xmlSchemaMode) return RegExpTT.CHAR_CLASS; else return StringEscapesTokenTypes.INVALID_CHARACTER_ESCAPE_TOKEN;
}
case 98: break;
case 56:
case 99: break;
case 57:
{ return RegExpTT.OCT_CHAR;
}
case 99: break;
case 100: break;
case 4:
{ return RegExpTT.DOT;
}
case 100: break;
case 101: break;
case 32:
{ yybegin(YYINITIAL); return RegExpTT.GROUP_END;
}
case 101: break;
case 102: break;
case 21:
{ return RegExpTT.NUMBER;
}
case 102: break;
case 103: break;
case 35:
{ yybegin(YYINITIAL); return RegExpTT.GT;
}
case 103: break;
case 104: break;
case 53:
{ yybegin(PY_COND_REF); return RegExpTT.PYTHON_COND_REF;
}
case 105: break;
case 47:
{ yypushstate(PROP); return RegExpTT.PROPERTY;
}
case 104: break;
case 106: break;
case 18:
{ return commentMode ? com.intellij.psi.TokenType.WHITE_SPACE : RegExpTT.CHARACTER;
}
case 105: break;
case 107: break;
case 33:
{ handleOptions(); return RegExpTT.OPTIONS_OFF;
}
case 106: break;
case 108: break;
case 34:
{ yybegin(YYINITIAL); return RegExpTT.COLON;
}
case 107: break;
case 109: break;
case 25:
{ assert false : yytext();
}
case 108: break;
case 58:
case 110: break;
case 59:
{ yybegin(PY_NAMED_GROUP_REF); return RegExpTT.PYTHON_NAMED_GROUP_REF;
}
case 109: break;
case 111: break;
case 27:
{ yypopstate(); return RegExpTT.CLASS_END;
}
case 110: break;
case 112: break;
case 11:
{ return RegExpTT.CARET;
}
case 111: break;
case 113: break;
case 1:
{ handleOptions(); return RegExpTT.OPTIONS_ON;
}
case 112: break;
case 114: break;
case 29:
{ yypopstate(); yypushback(1);
}
case 113: break;
case 115: break;
case 44:
{ return yystate() != CLASS2 ? RegExpTT.BOUNDARY : RegExpTT.ESC_CHARACTER;
}
case 114: break;
case 116: break;
case 19:
{ if (commentMode) { yypushstate(COMMENT); return RegExpTT.COMMENT; } else return RegExpTT.CHARACTER;
}
case 115: break;
case 62:
case 117: break;
case 63:
{ return RegExpTT.HEX_CHAR;
}
case 116: break;
case 59:
case 118: break;
case 60:
{ yybegin(PY_NAMED_GROUP); return RegExpTT.PYTHON_NAMED_GROUP;
}
case 117: break;
case 119: break;
case 5:
{ return RegExpTT.GROUP_BEGIN;
}
case 118: break;
case 120: break;
case 8:
{ yypushstate(CLASS2); return RegExpTT.CLASS_BEGIN;
}
case 119: break;
case 53:
case 121: break;
case 54:
{ return RegExpTT.NON_CAPT_GROUP;
}
case 120: break;
case 122: break;
case 9:
{ return StringEscapesTokenTypes.INVALID_CHARACTER_ESCAPE_TOKEN;
}
case 121: break;
case 123: break;
case 49:
{ return RegExpTT.BAD_HEX_VALUE;
}
case 122: break;
case 124: break;
case 2:
{ yypopstate(); return RegExpTT.COMMENT;
}
case 123: break;
case 125: break;
case 48:
{ yypushstate(QUOTED); return RegExpTT.QUOTE_BEGIN;
}
case 124: break;
case 126: break;
case 26:
{ yybegin(CLASS2); return RegExpTT.CHARACTER;
}
case 125: break;
case 127: break;
case 15:
{ return RegExpTT.PLUS;
}
case 126: break;
case 128: break;
case 20:
{ if (allowDanglingMetacharacters) {
yypopstate(); yypushback(1);
@@ -898,11 +906,11 @@ class _RegExLexer implements FlexLexer {
return RegExpTT.BAD_CHARACTER;
}
}
case 127: break;
case 129: break;
case 31:
{ yybegin(YYINITIAL); return RegExpTT.BAD_CHARACTER;
}
case 128: break;
case 130: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
RegExpSupport/src/org/intellij/lang/regexp/psi/RegExpElementVisitor.java
+4
View File
@@ -86,4 +86,8 @@ public class RegExpElementVisitor extends PsiElementVisitor {
public void visitRegExpPyNamedGroupRef(RegExpPyNamedGroupRef groupRef) {
visitRegExpElement(groupRef);
}
public void visitRegExpPyCondRef(RegExpPyCondRef condRef) {
visitRegExpElement(condRef);
}
}
RegExpSupport/src/org/intellij/lang/regexp/psi/RegExpPyCondRef.java
+22
View File
@@ -0,0 +1,22 @@
/*
* Copyright 2000-2010 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.intellij.lang.regexp.psi;
/**
* @author yole
*/
public interface RegExpPyCondRef extends RegExpAtom {
}
RegExpSupport/src/org/intellij/lang/regexp/psi/impl/RegExpPyCondRefImpl.java
+34
View File
@@ -0,0 +1,34 @@
/*
* Copyright 2000-2010 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.intellij.lang.regexp.psi.impl;
import com.intellij.lang.ASTNode;
import org.intellij.lang.regexp.psi.RegExpElementVisitor;
import org.intellij.lang.regexp.psi.RegExpPyCondRef;
/**
* @author yole
*/
public class RegExpPyCondRefImpl extends RegExpElementImpl implements RegExpPyCondRef {
public RegExpPyCondRefImpl(ASTNode node) {
super(node);
}
@Override
public void accept(RegExpElementVisitor visitor) {
visitor.visitRegExpPyCondRef(this);
}
}
RegExpSupport/src/org/intellij/lang/regexp/regexp-lexer.flex
+9
View File
@@ -64,6 +64,7 @@ import com.intellij.psi.StringEscapesTokenTypes;
%xstate COMMENT
%xstate PY_NAMED_GROUP
%xstate PY_NAMED_GROUP_REF
%xstate PY_COND_REF
DIGITS=[1-9][0-9]*
@@ -209,6 +210,7 @@ HEX_CHAR=[0-9a-fA-F]
"(?#" [^)]+ ")" { return RegExpTT.COMMENT; }
"(?P<" { yybegin(PY_NAMED_GROUP); return RegExpTT.PYTHON_NAMED_GROUP; }
"(?P=" { yybegin(PY_NAMED_GROUP_REF); return RegExpTT.PYTHON_NAMED_GROUP_REF; }
"(?(" { yybegin(PY_COND_REF); return RegExpTT.PYTHON_COND_REF; }
"(?" { yybegin(OPTIONS); return RegExpTT.SET_OPTIONS; }
}
@@ -234,6 +236,13 @@ HEX_CHAR=[0-9a-fA-F]
{ANY} { yybegin(YYINITIAL); return RegExpTT.BAD_CHARACTER; }
}
<PY_COND_REF> {
[:letter:]([:letter:]|_|[:digit:])* { return RegExpTT.NAME; }
[:digit:]+ { return RegExpTT.NUMBER; }
")" { yybegin(YYINITIAL); return RegExpTT.GROUP_END; }
{ANY} { yybegin(YYINITIAL); return RegExpTT.BAD_CHARACTER; }
}
/* "dangling ]" */
<YYINITIAL> {RBRACKET} { return RegExpTT.CHARACTER; }
RegExpSupport/src/org/intellij/lang/regexp/validation/RegExpAnnotator.java
+9 -1
View File
@@ -202,7 +202,15 @@ public final class RegExpAnnotator extends RegExpElementVisitor implements Annot
}
}
private static boolean isEmpty(RegExpBranch[] branches) {
@Override
public void visitRegExpPyCondRef(RegExpPyCondRef condRef) {
RegExpLanguageHost host = findRegExpHost(condRef);
if (host == null || !host.supportsPythonConditionalRefs()) {
myHolder.createErrorAnnotation(condRef, "Conditional references are not supported");
}
}
private static boolean isEmpty(RegExpBranch[] branches) {
for (RegExpBranch branch : branches) {
if (branch.getAtoms().length > 0) {
return false;