SI-8015 Count lines by EOLs

Source lines were counted by "line break chars", including FF.
Clients of `pos.line` seem to all expect the ordinary line num,
so that is what they get.

Unicode processing now precedes line ending processing.

5 files changed, 32 insertions, 0 deletions

diff --git a/test/files/neg/t8015-ffa.check b/test/files/neg/t8015-ffa.check
new file mode 100644
index 0000000000..0f28be7fe7
--- /dev/null
+++ b/test/files/neg/t8015-ffa.check
@@ -0,0 +1,6 @@
+t8015-ffa.scala:7: error: type mismatch;
+ found   : String("3")
+ required: Int
+  val i: Int = "3"      // error line 7 (was 8)
+               ^
+one error found
diff --git a/test/files/neg/t8015-ffa.scala b/test/files/neg/t8015-ffa.scala
new file mode 100644
index 0000000000..60876d9139
--- /dev/null
+++ b/test/files/neg/t8015-ffa.scala
@@ -0,0 +1,8 @@
+
+package foo
+
+//-------object Next
+
+trait F {
+  val i: Int = "3"      // error line 7 (was 8)
+}
diff --git a/test/files/neg/t8015-ffb.check b/test/files/neg/t8015-ffb.check
new file mode 100644
index 0000000000..90c8d045b4
--- /dev/null
+++ b/test/files/neg/t8015-ffb.check
@@ -0,0 +1,6 @@
+t8015-ffb.scala:10: warning: side-effecting nullary methods are discouraged: suggest defining as `def w()` instead
+  def w = { x
+      ^
+error: No warnings can be incurred under -Xfatal-warnings.
+one warning found
+one error found
diff --git a/test/files/neg/t8015-ffb.flags b/test/files/neg/t8015-ffb.flags
new file mode 100644
index 0000000000..7949c2afa2
--- /dev/null
+++ b/test/files/neg/t8015-ffb.flags
@@ -0,0 +1 @@
+-Xlint -Xfatal-warnings
diff --git a/test/files/neg/t8015-ffb.scala b/test/files/neg/t8015-ffb.scala
new file mode 100644
index 0000000000..dbdd942555
--- /dev/null
+++ b/test/files/neg/t8015-ffb.scala
@@ -0,0 +1,11 @@
+
+trait G {
+  val c: Char = '\u000a'   // disallowed!
+  def x\u000d\u000a = 9    // as nl
+  def y() = x
+  def z() = {
+    y()\u000a()           // was Int does not take parameters
+  }
+  def v = y()\u000c()     // was Int does not take parameters
+  def w = { x() }       // ^L is colored blue on this screen, hardly visible
+}