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results
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Update scala version to 2.11.5 for Intellij 14
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fix definition of TRY in the language specification
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Update 03-types.md
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Using U_i instead of T_i is confusing. See http://stackoverflow.com/questions/26803244/is-this-a-typo-in-the-scala-language-specification-on-parameterized-types
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SI-8642 Enable OSGi tests under Java 8
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We use the PAX Exam framework to integration test that the
OSGi metadata we add to our JARs allows them to be loaded
into the Felix and Equinox containers. However, we had to
disable this test under Java 8 due to an incompatibility between
that framework and the modern Java version.
I have found a combination that works in Java 6, 7, and 8,
so the test is now run under all Java versions.
I have left a `skip` property to disable them, following the
established convention.
Tip of the hat to:
- @soc / @rkrzewski for the work in #4066 that paved the way
for this small change
- Harald Wellman, for sharing [1] the Java 8 compatible combination
of PAX and Felix .
Testing:
```
for V in 1.6 1.7 1.8; do java_use $V; ant -q test.osgi; done
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)
...
[echo] Running OSGi JUnit tests. Output in /Users/jason/code/scala3/build/osgi
[echo] Test pass 1 of 2 using Apache Felix 4.4.0
[echo] Test pass 2 of 2 using Eclipse Equinox 3.7.1
BUILD SUCCESSFUL
Total time: 31 seconds
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
...
[echo] Running OSGi JUnit tests. Output in /Users/jason/code/scala3/build/osgi
[echo] Test pass 1 of 2 using Apache Felix 4.4.0
[echo] Test pass 2 of 2 using Eclipse Equinox 3.7.1
BUILD SUCCESSFUL
Total time: 22 seconds
java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)
...
[echo] Running OSGi JUnit tests. Output in /Users/jason/code/scala3/build/osgi
[echo] Test pass 1 of 2 using Apache Felix 4.4.0
[echo] Test pass 2 of 2 using Eclipse Equinox 3.7.1
BUILD SUCCESSFUL
Total time: 16 seconds
```
[1] https://groups.google.com/d/msg/ops4j/TN0sZFf6wLs/vUP0GML6-TQJ
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We can now edit these in IntelliJ, as per the regular JUnit tests.
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IMPORTANT: Base your PR on this one --> New PR validation <--
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SI-5154 Parse leading literal brace in XML pattern
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Don't consume literal brace as Scala pattern.
Previously, leading space would let the text parser `xText`
handle it correctly instead.
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SI-5817: Add header to language.scala and languageFeature.scala
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These two files were missing headers.
There is other work on-going to automate updating of the headers, but
that likely won't crossover with this.
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SI-9087 Fix min/max of reversed Double/Float orderings
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As diagnosed by the reporter, we needed additional overrides
due to the way these orderings are implemented.
I've added tests to show other methods and other orderings
are working correctly.
After writing that, I found a scalacheck test related to
NaN handling that also covers `Ordering`. I had to correct
the assertion in the tests of `reverse.{min,max}`.
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2.11.5 bump
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Construct ClassBTypes from parsed classfiles
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- Rename CodeRepository to ByteCodeRepository
- Scaladoc on OptimizerReporting
- Scaladoc on ByteCodeRepository
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This infrastructure is required for the inliner: when inlining code
from a classfile, the corresponding ClassBType is needed for various
things (eg access checks, InnerClass attribute).
The test creates two ClassBTypes for the same class: once using the
(unpickled) Symbol, once using the parsed ASM ClassNode, and verifies
that the two are the same.
There's a cleanup to the InnerClass attribute:
object T { class Member; def foo = { class Local } }
class T
For Java compatibility the InnerClass entry for Member says the class
is nested in T (not in the module class T$). We now make sure to add
that entry only to T, not to T$ (unless Member is actually referenced
in the classfile T$, in that case it will be added, as required).
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Introduces methods for textifying classes, methods, InsnLists and
individual AbstractInsnNodes.
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There's already the map classBTypeFromInternalNameMap in BTypes which
stores all ClassBTypes.
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Each ClassBType is identified by its internalName, the fully qualified
JVM class name. Before this change, the name was stored in the `chrs`
array of the compiler name table (hash consed), with the idea to avoid
materializing the string.
However, we materialize the string anyway, because each ClassBType is
stored in the classBTypeFromInternalNameMap, indexed by the string.
If string equality turns out to be too slow we can use interning.
For the inliner, we read classes from bytecode and create ClassBTypes
for them. The names of these classes would not yet exist in the name
table, so the backend would need to be able to create new names. Using
Strings removes this dependency.
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SI-9089 Another REPL/FSC + specialization bug fix
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The enclosed test case stopped working in 2.11.5 on the back of
https://github.com/scala/scala/pull/4040.
The key change was that we ran all post-typer info transformers
on each run of the compiler, rather than trying to reuse the results
of the previous run.
In that patch, I noticed one place [1] in specialization that
aggressively entered specialized members into the owning scope,
rather than relying on `transformInfo` to place the new members
in the scope of the newly created element of the info history.
I made that change after noticing that this code could actually
mutated scopes of specializaed types at the parser phase, which
led to fairly obscure failures.
This bug is another one of these obscure failures, and has the
same root cause. We effectively "double specialiaze" Function0,
which trips an assertion when `method apply$mcI$sp` is found
twice in a scope.
I have found another spot that was directly manipulating the scope,
and removed the offending code.
[1] https://github.com/scala/scala/pull/4040#commitcomment-8531516
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Fix many typos in docs and comments
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This commit corrects many typos found in scaladocs, comments and
documentation. It should reduce a bit number of PRs which fix one
typo.
There are no changes in the 'real' code except one corrected name of
a JUnit test method and some error messages in exceptions. In the case
of typos in other method or field names etc., I just skipped them.
Obviously this commit doesn't fix all existing typos. I just generated
in IntelliJ the list of potential typos and looked through it quickly.
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SI-9057 - fix `showCode` to put backticks around names including dots
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Missing backticks cause the parser to treat names as paths, which is
obviously invalid.
A unit test is included.
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Fix scaladoc OutpuStream typo
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Kornel/feature/SI-9067-enumeration-with-name-improvement
SI-9067: Enumeration withName improvement
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- Enumeration#withName in case of a failed approach to resolve the
Enumeration value fails with a meaningless NoSuchElementException.
Would be nice to know what exactly is not found
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Add unit tests for Tseitin CNF conversion and implement missing `equals` method for `Sym`.
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We compare the results using the Tseitin transformation with the results of a
conversion via expansion of the formula (using distributive laws), e.g.,
```
+-------+
|Formula|
+---+---+
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+-----------+-----------+
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v v
+---------+ +-------+
|Expansion| |Tseitin|
+----+----+ +---+---+
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+------->| =?= |<-------+
+-----+
```
both methods should deliver the same results (i.e., models).
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Refactor towards Travis CI-style: import jenkins-scripts jobs
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Move script to the repo it acts on, out of scala/jenkins-scripts
Had to make some changes:
- scala checkout is now in root ($WORKSPACE)
- credentials are actually in homedir (sonatype/private-repo)
- inline pr-scala-common
- don't run tests for actors-migration due to timeout (TODO: revert?)
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SI-7965 Support calls to MethodHandle.{invoke,invokeExact}
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Spec update for signature polymorphic methods
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These methods are "signature polymorphic", which means that compiler
should not:
1. adapt the arguments to `Object`
2. wrap the repeated parameters in an array
3. adapt the result type to `Object`, but instead treat it as it
it already conforms to the expected type.
Dispiritingly, my initial attempt to implement this touched the type
checker, uncurry, erasure, and the backend.
However, I realized we could centralize handling of this in the typer
if at each application we substituted the signature polymorphic
symbol with a clone that carried its implied signature, which is
derived from the types of the arguments (typechecked without an
expected type) and position within and enclosing cast or block.
The test case requires Java 7+ to compile so is currently embedded
in a conditionally compiled block of code in a run test.
We ought to create a partest category for modern JVMs so we can
write such tests in a more natural style.
Here's how this looks in bytecode. Note the `bipush` / `istore`
before/after the invocation of `invokeExact`, and the descriptor
`(LO$;I)I`.
```
% cat sandbox/poly-sig.scala && qscala Test && echo ':javap Test$#main' | qscala
import java.lang.invoke._
object O {
def bar(x: Int): Int = -x
}
object Test {
def main(args: Array[String]): Unit = {
def lookup(name: String, params: Array[Class[_]], ret: Class[_]) = {
val lookup = java.lang.invoke.MethodHandles.lookup
val mt = MethodType.methodType(ret, params)
lookup.findVirtual(O.getClass, name, mt)
}
def lookupBar = lookup("bar", Array(classOf[Int]), classOf[Int])
val barResult: Int = lookupBar.invokeExact(O, 42)
()
}
}
scala> :javap Test$#main
public void main(java.lang.String[]);
descriptor: ([Ljava/lang/String;)V
flags: ACC_PUBLIC
Code:
stack=3, locals=3, args_size=2
0: aload_0
1: invokespecial #18 // Method lookupBar$1:()Ljava/lang/invoke/MethodHandle;
4: getstatic #23 // Field O$.MODULE$:LO$;
7: bipush 42
9: invokevirtual #29 // Method java/lang/invoke/MethodHandle.invokeExact:(LO$;I)I
12: istore_2
13: return
LocalVariableTable:
Start Length Slot Name Signature
0 14 0 this LTest$;
0 14 1 args [Ljava/lang/String;
13 0 2 barResult I
LineNumberTable:
line 16: 0
}
```
I've run this test across our active JVMs:
```
% for v in 1.6 1.7 1.8; do java_use $v; pt --terse test/files/run/t7965.scala || break; done
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)
Selected 1 tests drawn from specified tests
.
1/1 passed (elapsed time: 00:00:02)
Test Run PASSED
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
Selected 1 tests drawn from specified tests
.
1/1 passed (elapsed time: 00:00:07)
Test Run PASSED
java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)
Selected 1 tests drawn from specified tests
.
1/1 passed (elapsed time: 00:00:05)
Test Run PASSED
```
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SI-9044 Fix order of interfaces in classfiles
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