| Commit message (Collapse) | Author | Age | Files | Lines |
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"Fiddle with lubs and glbs by never considering getClass as a member in
a refinement generated from them. In a sense we have justification for
this by saying we already treated getClass in an ad-hoc way, so we might
as well go all the way." -- m. odersky
Closes SI-4846.
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*** Important note for busy commit log skimmers ***
Symbol method "fullName" has been trying to serve the dual role of "how
to print a symbol" and "how to find a class file." It cannot serve both
these roles simultaneously, primarily because of package objects but
other little things as well. Since in the majority of situations we want
the one which corresponds to the idealized scala world, not the grubby
bytecode, I went with that for fullName. When you require the path to a
class (e.g. you are calling Class.forName) you should use javaClassName.
package foo { package object bar { class Bippy } }
If sym is Bippy's symbol, then
sym.fullName == foo.bar.Bippy
sym.javaClassName == foo.bar.package.Bippy
*** End important note ***
There are many situations where we (until now) forewent revealing
everything we knew about a type mismatch. For instance, this isn't very
helpful of scalac (at least in those more common cases where you didn't
define type X on the previous repl line.)
scala> type X = Int
defined type alias X
scala> def f(x: X): Byte = x
<console>:8: error: type mismatch;
found : X
required: Byte
def f(x: X): Byte = x
^
Now it says:
found : X
(which expands to) Int
required: Byte
def f(x: X): Byte = x
^
In addition I rearchitected a number of methods involving:
- finding a symbol's owner
- calculating a symbol's name
- determining whether to print a prefix
No review.
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Offer warning when demonstrably non-side-effecting expressions appear in
statement position, which should be unintentional by definition. Threw
in removal of six places with useless discarded expressions which the
warning informed me about. No review.
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Test case for implicits which unwrap typeclasses, something which must
really live on the edge given the multiple ways we've busted it lately.
Also some Array/signature and repl tests. No review.
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More adjustments to repl parsing to accomodate inaccurately positioned
parse trees. No review.
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Fixed a repl regression with parentheses handling, reminding me we
really need that honest parser phase which doesn't betray us with
parentheses abandonment and dramatic desugarings. I'll promote it from
page 14 to page 11. Closes #4661, no review.
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