Experimental scanner: keeping track of octal numbers octal escapes.

test/lexer/cornercases/octals.js

Index: test/lexer/cornercases/octals.js
diff --git a/src/harmony-math.js b/test/lexer/cornercases/octals.js
similarity index 67%
copy from src/harmony-math.js
copy to test/lexer/cornercases/octals.js
index a4d3f2e8a5e9c5936630571644605402dee1199d..6a81dd68de6c1f7b0b8a5d0617cbabd3ba13f946 100644
--- a/src/harmony-math.js
+++ b/test/lexer/cornercases/octals.js
@@ -25,36 +25,34 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-'use strict';
-
-// ES6 draft 09-27-13, section 20.2.2.28.
-function MathSign(x) {
-  x = TO_NUMBER_INLINE(x);
-  if (x > 0) return 1;
-  if (x < 0) return -1;
-  if (x === 0) return x;
-  return NAN;
-}
-
-
-// ES6 draft 09-27-13, section 20.2.2.34.
-function MathTrunc(x) {
-  x = TO_NUMBER_INLINE(x);
-  if (x > 0) return MathFloor(x);
-  if (x < 0) return MathCeil(x);
-  if (x === 0) return x;
-  return NAN;
-}
-
-
-function ExtendMath() {
-  %CheckIsBootstrapping();
-
-  // Set up the non-enumerable functions on the Math object.
-  InstallFunctions($Math, DONT_ENUM, $Array(
-    "sign", MathSign,
-    "trunc", MathTrunc
-  ));
-}
-
-ExtendMath();
+// Octal numbers and octal escapes in strings are not allowed in the strict
+// mode.
+
+var octal_number = 031;
+var not_octal_number = 0;
+var again_not = 019;
+
+"octal inside \01 string"
+"this is not octal \0"
+"this is an octal escape followed by 9: \019"
+"doesn't need to start with 0: \11"
+
+'octal inside \01 string'
+'this is not octal \0'
+'this is an octal escape followed by 9: \01'
+'doesn\'t need to start with 0: \11'
+
+// Even more complicated cases: two octals in one string:
+"foo\00\00"
+'foo\00\00'
+
+// Different lengths of octals:
+"bar\0" // not an octal
+"bar\00"
+"bar\000" // Not an octal according to Ecma
+"bar\0000" // First 3 recognized as octal
+
+'bar\0' // not an octal
+'bar\00'
+'bar\000' // Not an octal according to Ecma
+'bar\0000' // First 3 recognized as octal