Deprecated ambiguous dot syntaxes.

1.+(2) - what is it? Is it 3 or 3.0? Come scala 2.11 you won't
have to not know (or even not know there's something you don't know.)
1.+(2) will then be safely considered equivalent to 1 + 2, because
any dot not followed by a digit is not part of a number.

Primarily, that's these forms:    3.f 3.d 3.

If you prefer an error to a warning, use -Xfuture.

Let's deprecate 012 == 10 too! (See comment.) References SI-5089, no
review.

6 files changed, 46 insertions, 0 deletions

diff --git a/test/files/neg/ambiguous-float-dots.check b/test/files/neg/ambiguous-float-dots.check
new file mode 100644
index 0000000000..d1e71543f1
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots.check
@@ -0,0 +1,13 @@
+ambiguous-float-dots.scala:2: error: This lexical syntax is deprecated.  From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit.
+  val x0 = 5.
+           ^
+ambiguous-float-dots.scala:3: error: This lexical syntax is deprecated.  From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit.
+  val x1 = 5.f
+           ^
+ambiguous-float-dots.scala:6: error: This lexical syntax is deprecated.  From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit.
+  1.+(2)
+  ^
+ambiguous-float-dots.scala:7: error: This lexical syntax is deprecated.  From scala 2.11, a dot will only be considered part of a number if it is immediately followed by a digit.
+  1. + 2
+  ^
+four errors found
diff --git a/test/files/neg/ambiguous-float-dots.flags b/test/files/neg/ambiguous-float-dots.flags
new file mode 100644
index 0000000000..65faf53579
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots.flags
@@ -0,0 +1 @@
+-Xfatal-warnings -deprecation
\ No newline at end of file
diff --git a/test/files/neg/ambiguous-float-dots.scala b/test/files/neg/ambiguous-float-dots.scala
new file mode 100644
index 0000000000..58cc1b70be
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots.scala
@@ -0,0 +1,9 @@
+class A {
+  val x0 = 5.
+  val x1 = 5.f
+  val y0 = 055
+
+  1.+(2)
+  1. + 2
+  1 + 2
+}
\ No newline at end of file
diff --git a/test/files/neg/ambiguous-float-dots2.check b/test/files/neg/ambiguous-float-dots2.check
new file mode 100644
index 0000000000..613601a1b2
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots2.check
@@ -0,0 +1,13 @@
+ambiguous-float-dots2.scala:2: error: malformed floating point number: to be part of a number, a dot must be immediately followed by a digit
+  val x0 = 5.
+           ^
+ambiguous-float-dots2.scala:6: error: malformed floating point number: to be part of a number, a dot must be immediately followed by a digit
+  1.+(2)
+  ^
+ambiguous-float-dots2.scala:7: error: malformed floating point number: to be part of a number, a dot must be immediately followed by a digit
+  1. + 2
+  ^
+ambiguous-float-dots2.scala:3: error: ';' expected but 'val' found.
+  val x1 = 5.f
+  ^
+four errors found
diff --git a/test/files/neg/ambiguous-float-dots2.flags b/test/files/neg/ambiguous-float-dots2.flags
new file mode 100644
index 0000000000..112fc720a0
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots2.flags
@@ -0,0 +1 @@
+-Xfuture
\ No newline at end of file
diff --git a/test/files/neg/ambiguous-float-dots2.scala b/test/files/neg/ambiguous-float-dots2.scala
new file mode 100644
index 0000000000..58cc1b70be
--- /dev/null
+++ b/test/files/neg/ambiguous-float-dots2.scala
@@ -0,0 +1,9 @@
+class A {
+  val x0 = 5.
+  val x1 = 5.f
+  val y0 = 055
+
+  1.+(2)
+  1. + 2
+  1 + 2
+}
\ No newline at end of file