test files

scanner.c

@@ -194,13 +194,15 @@ Token malar_next_token(Buffer * sc_buf)
 			for (; c != '\"'; c = b_getc(sc_buf), ++lexend) {
 				if (c == '\n' || c == '\r')
 					++line;
-				if (c == '\0' || c == EOF) { /* Illegal string, make it an error token */
+				if (c == '\0' || b_eob(sc_buf)) { /* Illegal string, make it an error token */
 					b_retract_to_mark(sc_buf);
 					b_retract(sc_buf);
 					b_retract(sc_buf);
 					t.code = ERR_T;
 
 					for (i = 0; i < lexend; ++i) {
+						/* Continue until the end of the lexeme where error was found
+						*  (error string attribute full) */
 						if (i == ERR_LEN) continue; 
 						if (i < (ERR_LEN - 3))
 							t.attribute.err_lex[i] = b_getc(sc_buf);
@@ -283,7 +285,7 @@ Token malar_next_token(Buffer * sc_buf)
 
 
 
-	}//end while(1)
+	} /*end while(1)*/
 }
 
 

src_test_files/a2error.pls

@@ -0,0 +1,39 @@
+!<This file contains many lexical errors.
+!<It tests mainly the correctness of the accepting functions
+!<5 tabs
+					
+					
+					
+
+
+a1234567
+!<legal, but too long (possible semantic error)
+a1234567MORE
+b1234567MORE#
+!<lexical error: # out of context, allowed only in comments and strings
+#OR%
+!<lexical error: | allowed only in strings and comments
+|
+!<another lexical error: # out of context
+Not#here
+!<another lexical error: .  out of context
+.
+!<another lexical error: &  illegal symbol
+&
+!<legal FPL (will be rounded to 2.0 when displayed)
+1.999999999999999911111111111111111111111111111111111111111111111111111111111111111
+
+!< big float number (error: out of range)
+999999999999999999999999999999999999999999999999999999999999999999999999999999999.0
+
+!<small float number (error: out of range)
+0.00000000000000000000000000000000000000000000000000000000000000000000000000000000001
+
+!< big decimal int number (error: out of range)
+99999
+!< big octal int number (error: out of range)
+0177777
+!< gigantic decimal int number (error: out of range)
+123456789012345678901234567890
+!< gigantic octal int number (error: out of range)
+0123456701234567012345670

src_test_files/ass2r.pls

@@ -0,0 +1,28 @@
+!< This program calculates the sum of 32767 even numbers.
+!< The program is "lexically" and "syntactically" correct
+!< and should not produce any error
+PLATYPUS {
+ 
+ a=+0.0;
+ 
+ sum008 = 7.87050 ;
+ INPUT(a,sum008); 
+ USING(i = 0,i < 32767 .OR. i == 077777,i = i + 02 )REPEAT{
+   a=
+   a*i/0.5
+   ;
+   sum008 = sum008 + a - 1 ;
+ };
+ IF(text# == "")THEN
+   text# = "prog" << "ram";
+ ELSE {
+   text# = text# << "ram";
+ };
+ OUTPUT("\* This is a platypus -:)-<-<-- \*");
+ OUTPUT(text#);
+ 
+ IF(text# == "program".OR.sum008<>8..AND.i>012)THEN
+  OUTPUT(sum008);
+  OUTPUT();
+ ELSE{};
+}

src_test_files/ass2w.pls

@@ -0,0 +1,28 @@
+!<This program contains many lexical errors
+!<It tests mainly your transition table
+!< Use MY output to adjust
+!< YOUR error state transitions in YOUR transition table 
+!<You should create your own test file with more errors 
+!=Wrong comment
+PLATYPUs {
+i=000;  !< illegal zero literal
+j=087; !< illegal octal digit
+k=2I;  !< possible error
+k=0O; !< digit 0 followed by a letter O
+a% = 0.0L; !< possible error
+b. = 0.L   !< possible error
+FOR> = .0 !< illegal floating point literal
+Read(ElSe)
+If=0.l  !< letter l not digit 1
+o=018a  !< possible error
+b10 = 1O1.0; !< letter O follows 1
+3C=7.0O2;    !< digit in VID and letter O precedes 2 
+name#S = Last# << " S.#" !< wrong string VID
+USING(b10 > 00 OR. <= b10.AND a !- 0.0)DO{
+  a=a+1..;
+  c=01.0; !< leading zero not allowed in floating point
+}
+WRITE#("No  Luck  Today);
+WRITE (""My Scanner has gone astray");
+}
+"There is always one more bug