Remove invalid lexer state transitions

lexerState.go

@@ -65,13 +65,6 @@ var validLexerStates = []lexerState{
 
 			COMPARATOR,
 			MODIFIER,
-			NUMERIC,
-			BOOLEAN,
-			VARIABLE,
-			STRING,
-			PATTERN,
-			TIME,
-			CLAUSE,
 			CLAUSE_CLOSE,
 			LOGICALOP,
 			TERNARY,
@@ -182,7 +175,6 @@ var validLexerStates = []lexerState{
 			STRING,
 			BOOLEAN,
 			CLAUSE,
-			CLAUSE_CLOSE,
 		},
 	},
 	lexerState{
@@ -201,7 +193,6 @@ var validLexerStates = []lexerState{
 			STRING,
 			TIME,
 			CLAUSE,
-			CLAUSE_CLOSE,
 			PATTERN,
 		},
 	},
@@ -221,7 +212,6 @@ var validLexerStates = []lexerState{
 			STRING,
 			TIME,
 			CLAUSE,
-			CLAUSE_CLOSE,
 		},
 	},
 	lexerState{
@@ -237,7 +227,6 @@ var validLexerStates = []lexerState{
 			FUNCTION,
 			ACCESSOR,
 			CLAUSE,
-			CLAUSE_CLOSE,
 		},
 	},
 

parsingFailure_test.go

@@ -205,6 +205,31 @@ func TestParsingFailure(test *testing.T) {
 			Input:    "0x12g1",
 			Expected: INVALID_TOKEN_TRANSITION,
 		},
+		ParsingFailureTest{
+			Name:     "Invalid LOGICALOP transition",
+			Input:    "(a > 100 &&) == false",
+			Expected: INVALID_TOKEN_TRANSITION,
+		},
+		ParsingFailureTest{
+			Name:     "Invalid MODIFIER transition",
+			Input:    "(a + )",
+			Expected: INVALID_TOKEN_TRANSITION,
+		},
+		ParsingFailureTest{
+			Name:     "Invalid COMPARATOR transition",
+			Input:    "(a > )",
+			Expected: INVALID_TOKEN_TRANSITION,
+		},
+		ParsingFailureTest{
+			Name:     "Invalid PREFIX transition",
+			Input:    "(~)",
+			Expected: INVALID_TOKEN_TRANSITION,
+		},
+		ParsingFailureTest{
+			Name:     "Invalid CLAUSE_CLOSE transition",
+			Input:    "(a == b) c",
+			Expected: INVALID_TOKEN_TRANSITION,
+		},
 	}
 
 	runParsingFailureTests(parsingTests, test)