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Commit Graph

4 Commits

Author SHA1 Message Date
Alan Donovan
0f26bbae8f go.tools/ssa: fix bug in code emitted for ast.TypeAssertExpr.
var x I = ...
x.(E) may fail dynamically (iff x is nil).

Added a testcase.

R=gri
CC=golang-dev
https://golang.org/cl/10237045
2013-06-13 17:31:32 -04:00
Alan Donovan
1f2812fe9b go.tools/ssa: fix bug in makeBridgeMethod for promoted interfaces.
The method index was hard-coded to zero, which works some of
the time.  Apparently I just forgot to implement the
method-table lookup...

Added regression test.

R=gri
CC=golang-dev
https://golang.org/cl/9916043
2013-05-31 16:36:03 -04:00
Alan Donovan
8cdf1f1cb1 go.tools/ssa: add support for bound-method closures.
Extracted Builder.findMethod function to handle
methodset/receiver logic common to
function calls (Builder.setCall) and
bound method closure creation (Builder.selector).

Capture: added explicit Name, Type fields to Capture instead
of relying on Outer field, which is now un-exported since its
only purpose is to let Builder.expr(case *ast.FuncLit) know
which values to put in the closure; it is nilled immediately
after.

Simplified Function.lookup() logic: there's no need to walk
the Outer chain each time to set Alloc.Heap=true, as it's
already set during creation of the outermost
Capture{outer:*Alloc}.

Added interp/testdata/boundmeth.go test.

Cosmetic changes:
- add support for bound method thunks to Function.FullName().
- Simplified {Literal,Global,Builtin,Function}.String()
- doc: Captures are no longer necessarily addresses.
- added yet another missing pair of "()" (go/types accessors).
- print "Synthetic" not "Declared at -" for synthetic functions.
- use '$' not center-dot in synthetic identifiers (easier to type).

R=gri
CC=golang-dev
https://golang.org/cl/9654043
2013-05-22 17:56:18 -04:00
Rob Pike
01f8cd246d go.tools: add go/types, ssa, and cmd/vet
They will be deleted from their current homes once this has landed.
Changes made to import paths to make the code compile, and to find
errchk in the right place in cmd/vet's Makefile.
TODO in a later CL: tidy up vet.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/9495043
2013-05-17 13:20:39 -07:00