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5 Commits

Author SHA1 Message Date
Alan Donovan
6c7ce1c2d3 go.tools/ssa: Value.Pos() method + remaining source position plumbing.
Implement Pos() method for
  Values:       Parameter, Capture, Phi.  (Not Literal, Builtin.)
  Instructions: UnOp, BinOp, Store.

'address' (an lvalue) now needs position of '*' in "*addr".

Also:
- Un-export fields Pos_ Type_ Name_ Block_ from various values/instructions.
  Define NewFunction() as a temporary measure.
  Will try to eliminate calls from clients...
- Remove Implements{Value,Member,Interface} marker methods.
  I've decided I don't like them.
- Func.addParamObj helper.
- Various comment fixes.

R=gri
CC=golang-dev
https://golang.org/cl/9740046
2013-05-30 09:59:17 -04:00
Alan Donovan
20029fe5f7 go.tools/ssa: utility functions mapping source intervals to ast.Nodes.
PathEnclosingInterval: 	maps a source position to an ast.Node.
EnclosingFunction:   	finds ssa.Function enclosing an ast.Node.
HasEnclosingFunction:   cheaper impl of EnclosingFunction()!=nil
NodeDescription:        user friendly node type descriptions.

+ tests.

Also: make ssa.Package.TypeInfo field a pointer.

R=gri, r
CC=golang-dev
https://golang.org/cl/9639045
2013-05-28 15:28:46 -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
87334f402b go.tools: bring up to date
Repo was copied from old point.  Bad r.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/9504043
2013-05-17 14:02:47 -07:00
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