Fix #322

yhirose · yhirose · commit 751c4f089959 · 2025-05-06T20:53:37.000+09:00
diff --git a/peglib.h b/peglib.h
@@ -3447,7 +3447,7 @@ class ParserGenerator {
         cho(seq(g["Char"], chr('-'), npd(chr(']')), g["Char"]), g["Char"]);
 
     g["Char"] <=
-        cho(seq(chr('\\'), cls("fnrtv'\"[]\\^")),
+        cho(seq(chr('\\'), cls("fnrtv'\"[]\\^-")),
             seq(chr('\\'), cls("0-3"), cls("0-7"), cls("0-7")),
             seq(chr('\\'), cls("0-7"), opt(cls("0-7"))),
             seq(lit("\\x"), cls("0-9a-fA-F"), opt(cls("0-9a-fA-F"))),
diff --git a/test/test3.cc b/test/test3.cc
@@ -156,6 +156,8 @@ TEST(PEGTest, PEG_Class) {
   EXPECT_TRUE(ParserGenerator::parse_test("Class", "[-+]"));
   EXPECT_TRUE(ParserGenerator::parse_test("Class", "[+-]"));
   EXPECT_TRUE(ParserGenerator::parse_test("Class", "[\\^]"));
+  EXPECT_TRUE(ParserGenerator::parse_test("Class", "[-]"));
+  EXPECT_TRUE(ParserGenerator::parse_test("Class", "[\\-]"));
 }
 
 TEST(PEGTest, PEG_Negated_Class) {

Original file line number	Diff line number	Diff line change
`@@ -156,6 +156,8 @@ TEST(PEGTest, PEG_Class) {`
`156`	`156`	`EXPECT_TRUE(ParserGenerator::parse_test("Class", "[-+]"));`
`157`	`157`	`EXPECT_TRUE(ParserGenerator::parse_test("Class", "[+-]"));`
`158`	`158`	`EXPECT_TRUE(ParserGenerator::parse_test("Class", "[\\^]"));`
	`159`	`+ EXPECT_TRUE(ParserGenerator::parse_test("Class", "[-]"));`
	`160`	`+ EXPECT_TRUE(ParserGenerator::parse_test("Class", "[\\-]"));`
`159`	`161`	`}`
`160`	`162`
`161`	`163`	`TEST(PEGTest, PEG_Negated_Class) {`