use of org.antlr.v4.misc.EscapeSequenceParsing.Result in project antlr4 by antlr.
the class TestATNSerialization method testLexerUnicodeEscapedBMPSetWithRange.
@Test
public void testLexerUnicodeEscapedBMPSetWithRange() throws Exception {
LexerGrammar lg = new LexerGrammar("lexer grammar L;\n" + "ID : ('\\u4E9C'|'\\u4E9D'|'\\u6C5F'|'\\u305F'..'\\u307B')\n ;");
String expecting = "max type 1\n" + "0:TOKEN_START -1\n" + "1:RULE_START 0\n" + "2:RULE_STOP 0\n" + "3:BASIC 0\n" + "4:BASIC 0\n" + "rule 0:1 1\n" + "mode 0:0\n" + "0:'\\u305F'..'\\u307B', '\\u4E9C'..'\\u4E9D', '\\u6C5F'..'\\u6C5F'\n" + "0->1 EPSILON 0,0,0\n" + "1->3 EPSILON 0,0,0\n" + "3->4 SET 0,0,0\n" + "4->2 EPSILON 0,0,0\n" + "0:0\n";
ATN atn = createATN(lg, true);
String result = ATNSerializer.getDecoded(atn, Arrays.asList(lg.getTokenNames()));
assertEquals(expecting, result);
}
use of org.antlr.v4.misc.EscapeSequenceParsing.Result in project antlr4 by antlr.
the class TestATNSerialization method testLexerEOFInSet.
@Test
public void testLexerEOFInSet() throws Exception {
LexerGrammar lg = new LexerGrammar("lexer grammar L;\n" + "INT : 'a' (EOF|'\\n') ;\n");
String expecting = "max type 1\n" + "0:TOKEN_START -1\n" + "1:RULE_START 0\n" + "2:RULE_STOP 0\n" + "3:BASIC 0\n" + "4:BASIC 0\n" + "5:BLOCK_START 0 6\n" + "6:BLOCK_END 0\n" + "rule 0:1 1\n" + "mode 0:0\n" + "0:EOF, '\\n'..'\\n'\n" + "0->1 EPSILON 0,0,0\n" + "1->3 EPSILON 0,0,0\n" + "3->5 ATOM 97,0,0\n" + "4->6 SET 0,0,0\n" + "5->4 EPSILON 0,0,0\n" + "6->2 EPSILON 0,0,0\n" + "0:0\n" + "1:5\n";
ATN atn = createATN(lg, true);
String result = ATNSerializer.getDecoded(atn, Arrays.asList(lg.getTokenNames()));
assertEquals(expecting, result);
}
use of org.antlr.v4.misc.EscapeSequenceParsing.Result in project antlr4 by antlr.
the class TestATNSerialization method testSimpleLoop.
@Test
public void testSimpleLoop() throws Exception {
Grammar g = new Grammar("parser grammar T;\n" + "a : A+ B ;");
String expecting = "max type 2\n" + "0:RULE_START 0\n" + "1:RULE_STOP 0\n" + "2:BASIC 0\n" + "3:PLUS_BLOCK_START 0 4\n" + "4:BLOCK_END 0\n" + "5:PLUS_LOOP_BACK 0\n" + "6:LOOP_END 0 5\n" + "7:BASIC 0\n" + "8:BASIC 0\n" + "9:BASIC 0\n" + "rule 0:0\n" + "0->3 EPSILON 0,0,0\n" + "2->4 ATOM 1,0,0\n" + "3->2 EPSILON 0,0,0\n" + "4->5 EPSILON 0,0,0\n" + "5->3 EPSILON 0,0,0\n" + "5->6 EPSILON 0,0,0\n" + "6->7 EPSILON 0,0,0\n" + "7->8 ATOM 2,0,0\n" + "8->1 EPSILON 0,0,0\n" + "0:5\n";
ATN atn = createATN(g, true);
String result = ATNSerializer.getDecoded(atn, Arrays.asList(g.getTokenNames()));
assertEquals(expecting, result);
}
use of org.antlr.v4.misc.EscapeSequenceParsing.Result in project antlr4 by antlr.
the class TestATNSerialization method testLexerUnicodeSMPRangeSerializedToSet.
@Test
public void testLexerUnicodeSMPRangeSerializedToSet() throws Exception {
LexerGrammar lg = new LexerGrammar("lexer grammar L;\n" + "INT : ('a'..'\\u{1F4A9}') ;");
String expecting = "max type 1\n" + "0:TOKEN_START -1\n" + "1:RULE_START 0\n" + "2:RULE_STOP 0\n" + "3:BASIC 0\n" + "4:BASIC 0\n" + "rule 0:1 1\n" + "mode 0:0\n" + "0:'a'..128169\n" + "0->1 EPSILON 0,0,0\n" + "1->3 EPSILON 0,0,0\n" + "3->4 SET 0,0,0\n" + "4->2 EPSILON 0,0,0\n" + "0:0\n";
ATN atn = createATN(lg, true);
String result = ATNSerializer.getDecoded(atn, Arrays.asList(lg.getTokenNames()));
assertEquals(expecting, result);
}
use of org.antlr.v4.misc.EscapeSequenceParsing.Result in project antlr4 by antlr.
the class TestATNSerialization method testLexerWildcardWithMode.
@Test
public void testLexerWildcardWithMode() throws Exception {
LexerGrammar lg = new LexerGrammar("lexer grammar L;\n" + "ID : 'a'..'z'+ ;\n" + "mode CMT;" + "COMMENT : '*/' {skip(); popMode();} ;\n" + "JUNK : . {more();} ;\n");
String expecting = "max type 3\n" + "0:TOKEN_START -1\n" + "1:TOKEN_START -1\n" + "2:RULE_START 0\n" + "3:RULE_STOP 0\n" + "4:RULE_START 1\n" + "5:RULE_STOP 1\n" + "6:RULE_START 2\n" + "7:RULE_STOP 2\n" + "8:BASIC 0\n" + "9:PLUS_BLOCK_START 0 10\n" + "10:BLOCK_END 0\n" + "11:PLUS_LOOP_BACK 0\n" + "12:LOOP_END 0 11\n" + "13:BASIC 1\n" + "14:BASIC 1\n" + "15:BASIC 1\n" + "16:BASIC 1\n" + "17:BASIC 1\n" + "18:BASIC 2\n" + "19:BASIC 2\n" + "20:BASIC 2\n" + "rule 0:2 1\n" + "rule 1:4 2\n" + "rule 2:6 3\n" + "mode 0:0\n" + "mode 1:1\n" + "0->2 EPSILON 0,0,0\n" + "1->4 EPSILON 0,0,0\n" + "1->6 EPSILON 0,0,0\n" + "2->9 EPSILON 0,0,0\n" + "4->13 EPSILON 0,0,0\n" + "6->18 EPSILON 0,0,0\n" + "8->10 RANGE 97,122,0\n" + "9->8 EPSILON 0,0,0\n" + "10->11 EPSILON 0,0,0\n" + "11->9 EPSILON 0,0,0\n" + "11->12 EPSILON 0,0,0\n" + "12->3 EPSILON 0,0,0\n" + "13->14 ATOM 42,0,0\n" + "14->15 ATOM 47,0,0\n" + "15->16 EPSILON 0,0,0\n" + "16->17 ACTION 1,0,0\n" + "17->5 EPSILON 0,0,0\n" + "18->19 WILDCARD 0,0,0\n" + "19->20 ACTION 2,1,0\n" + "20->7 EPSILON 0,0,0\n" + "0:0\n" + "1:1\n" + "2:11\n";
ATN atn = createATN(lg, true);
String result = ATNSerializer.getDecoded(atn, Arrays.asList(lg.getTokenNames()));
assertEquals(expecting, result);
}
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