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Commit Graph

2903 Commits

Author SHA1 Message Date
Rob Pike
9f2f8eadb6 add test of invariant in findVar
R=rsc
DELTA=23  (23 added, 0 deleted, 0 changed)
OCL=32592
CL=32595
2009-07-31 12:52:03 -07:00
Rob Pike
783986c64b delete unused arg to empty.
add commentary about findVar's invariant.

R=rsc
DELTA=6  (3 added, 0 deleted, 3 changed)
OCL=32583
CL=32594
2009-07-31 12:42:29 -07:00
Rob Pike
318b67cb73 make %v and %p consistent
R=rsc
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=32591
CL=32593
2009-07-31 12:42:21 -07:00
Rob Pike
d1a3b98a8d cleanup pass before big edits
R=rsc
DELTA=73  (27 added, 25 deleted, 21 changed)
OCL=32587
CL=32587
2009-07-31 11:41:30 -07:00
Russ Cox
9953c48dc4 missed in last checkin
R=ken
OCL=32581
CL=32581
2009-07-31 09:45:39 -07:00
Russ Cox
a2b8e38766 checkpoint; still plenty to clean up
R=ken
OCL=32576
CL=32580
2009-07-31 09:29:28 -07:00
Robert Griesemer
9299ae461d - don't call String method of AST nodes when converting them to text
- make token.Position.String more robust

TBR=rsc
DELTA=20  (10 added, 6 deleted, 4 changed)
OCL=32564
CL=32564
2009-07-30 19:39:47 -07:00
Robert Griesemer
c670dc450b bug fix
R=rsc
OCL=32563
CL=32563
2009-07-30 19:29:31 -07:00
Russ Cox
b754b4348f delete some code from walkexpr that is now
handled by typecheck.

second switch is gone

move floating point minus into back end

R=ken
OCL=32558
CL=32558
2009-07-30 18:56:44 -07:00
Rob Pike
d9c914e985 dotted names
R=rsc
DELTA=28  (19 added, 0 deleted, 9 changed)
OCL=32550
CL=32554
2009-07-30 18:17:07 -07:00
Robert Griesemer
90e6656c51 go/ast/filter.go:
- more orthogonal functionality of filter functions for better re-use

go/doc/doc.go:
- simplified interface
- collect filenames of packages so that they can be shown

godoc:
- removed TODO, show list of package (linked) files used to create documentation

R=rsc
DELTA=130  (68 added, 24 deleted, 38 changed)
OCL=32549
CL=32552
2009-07-30 18:13:55 -07:00
Austin Clements
9717a794f4 String method for token.Position. Extracted from gri's tree.
R=gri
APPROVED=gri
DELTA=33  (20 added, 6 deleted, 7 changed)
OCL=32544
CL=32546
2009-07-30 16:58:19 -07:00
Rob Pike
07a497fee0 fix a long-standing typo
R=rsc
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=32540
CL=32545
2009-07-30 16:57:46 -07:00
Russ Cox
ff3a73b407 typechecking checkpoint.
started to move typechecking to another file.
can build entire tree still, but lots of work
is duplicated.  much to clean up.

R=ken
OCL=32536
CL=32543
2009-07-30 16:53:08 -07:00
Russ Cox
34b277f046 use errchk in more places.
let errchk exit 0 even if it has reported a BUG.
it echoed BUG and that's all that matters.

R=r
DELTA=143  (1 added, 89 deleted, 53 changed)
OCL=32533
CL=32542
2009-07-30 16:46:14 -07:00
Austin Clements
36ca5fde68 Implement labels, goto, labeled break, and labeled continue.
Return checking is now done as a general flow check at the end
of function compilation, since break and goto complicated the
way I was doing return checking before.  Goto-over-declaration
checking is also done as a final flow check.

Temporary variables used for effect extraction are now
actually temporary.  Otherwise "op=", "++", and "--" appear as
declarations that cannot be jumped over.

R=rsc
APPROVED=rsc
DELTA=421  (344 added, 38 deleted, 39 changed)
OCL=32527
CL=32535
2009-07-30 14:39:27 -07:00
Russ Cox
6ccebe082f use full path on command line when compiling,
so that gdb shows full path in stack traces.

R=r
DELTA=4  (4 added, 0 deleted, 0 changed)
OCL=32522
CL=32528
2009-07-30 12:54:38 -07:00
Russ Cox
517e3457cc fix build on amd64
R=ken
OCL=32521
CL=32521
2009-07-30 11:03:58 -07:00
Russ Cox
bbeb2276de fixed golden.out, which is what 32496 should have done.
roll back 32496

TBR=austin
OCL=32499
CL=32501
2009-07-29 18:33:31 -07:00
Russ Cox
3a23da657d fix build
TBR=austin
OCL=32496
CL=32496
2009-07-29 18:18:12 -07:00
Rob Pike
98607d01fc handle unsupported types safely.
R=rsc
DELTA=154  (71 added, 6 deleted, 77 changed)
OCL=32483
CL=32492
2009-07-29 17:24:25 -07:00
Robert Griesemer
312bd7a1fc parser:
- Changed filter function for parser.ParsePackage to
  take an *os.Dir instead of a filename for more
  powerful filters

- Removed TODO in ast.PackageInterface: Now collect
  package comments from all package files

- Cleanups in godoc: Use the new ParsePackage and
  PackageInterface functions; as a result computing
  package information is much simpler now.

R=rsc
DELTA=285  (80 added, 110 deleted, 95 changed)
OCL=32473
CL=32486
2009-07-29 17:01:09 -07:00
Robert Griesemer
f9057c7b59 break tabwriter columns when starting a new block of indented statements
R=r
DELTA=16  (15 added, 0 deleted, 1 changed)
OCL=32475
CL=32481
2009-07-29 16:23:17 -07:00
Russ Cox
c217c16a06 bug136 unfixed
R=austin
DELTA=35  (21 added, 14 deleted, 0 changed)
OCL=32469
CL=32474
2009-07-29 15:39:05 -07:00
Rob Pike
43c7fc04b8 fix typo
R=rsc
OCL=32472
CL=32472
2009-07-29 15:33:12 -07:00
Russ Cox
3314f8c8e3 another test error tweak
5 known bugs; 0 unexpected bugs; test output differs

R=r
DELTA=3  (2 added, 0 deleted, 1 changed)
OCL=32468
CL=32470
2009-07-29 15:30:54 -07:00
Rob Pike
1fc0960fb4 clean up EOF
R=rsc
DELTA=5  (0 added, 1 deleted, 4 changed)
OCL=32465
CL=32467
2009-07-29 15:24:42 -07:00
Russ Cox
1ff5897d64 tweak final line of test output:
4 known bugs; 0 unexpected bugs

which should be less scary to people
unfamiliar with the tests.

R=r
DELTA=44  (29 added, 12 deleted, 3 changed)
OCL=32460
CL=32464
2009-07-29 15:11:19 -07:00
Rob Pike
1f6e18fdce handle some error conditions involving bad data.
R=rsc
DELTA=32  (24 added, 1 deleted, 7 changed)
OCL=32461
CL=32463
2009-07-29 15:10:29 -07:00
Russ Cox
2946069e3f break and continue fixes
labeled break/continue was using
first loop with any label,
not first loop with the right label.

R=ken
OCL=32453
CL=32458
2009-07-29 14:49:01 -07:00
Rob Pike
75e0569b99 statistics HTML page for rpc
R=rsc
DELTA=121  (115 added, 0 deleted, 6 changed)
OCL=32427
CL=32429
2009-07-29 13:26:49 -07:00
Russ Cox
9271c6402e introduce typecheck pass before walkexpr.
not complete but compiler still works.

R=ken
OCL=32424
CL=32426
2009-07-29 12:47:51 -07:00
Russ Cox
056940d84b convert walkexpr to take Node**; drop indir
R=ken
OCL=32421
CL=32421
2009-07-29 12:00:34 -07:00
Austin Clements
8f694f6661 Flatten the Frame tree. Now each function call produces a
single frame and non-overlapping variables reuse frame slots.
As a result, entering and exiting blocks no longer requires
code execution, which means jumps across block boundaries
should be doable now.  Frame slot initialization happens at
definition time now, instead of at frame creation time.  As an
added bonus, Scope's are now exclusively compile-time objects
and we no longer need to specially track the function
activation frame for access to out vars.

R=rsc
APPROVED=rsc
DELTA=313  (102 added, 90 deleted, 121 changed)
OCL=32416
CL=32420
2009-07-29 11:57:46 -07:00
Russ Cox
4152b925f9 expression printer; %#N
R=ken
OCL=32419
CL=32419
2009-07-29 11:51:34 -07:00
Russ Cox
6b8ba5d8fc quietgcc: do not use -m64 on 32-bit machines
R=r
DELTA=9  (8 added, 0 deleted, 1 changed)
OCL=32413
CL=32418
2009-07-29 11:47:11 -07:00
Russ Cox
9346c6d901 make every func literal expression allocate,
so that == on func means that the
functions originated in the same
execution of a func literal or definition.

before, there was an inconsistency:

	func() {x++} != func() {x++}

but

	func() {} == func() {}

this CL makes the second case != too,
just like

	make(map[int]int) != make(map[int]int)

R=r
DELTA=202  (71 added, 62 deleted, 69 changed)
OCL=32393
CL=32398
2009-07-28 20:01:00 -07:00
David Symonds
83940d7c4a Add a unique list ID to list elements, and verify it as necessary.
This makes the list closed under its provided operations.

R=rsc,gri
APPROVED=rsc
DELTA=18  (14 added, 0 deleted, 4 changed)
OCL=32388
CL=32395
2009-07-28 18:19:16 -07:00
Robert Griesemer
40a66ef59e missed changes to Makefiles for container/ring
R=rsc
DELTA=3  (3 added, 0 deleted, 0 changed)
OCL=32389
CL=32392
2009-07-28 17:52:30 -07:00
Rob Pike
b85147cd70 change the encoding of uints to simplify overflow checking and to make them
easier and faster to read.  they are now either a one-byte value or a n-byte value
preceded by a byte holding -n.

R=rsc
DELTA=150  (45 added, 7 deleted, 98 changed)
OCL=32381
CL=32387
2009-07-28 17:20:19 -07:00
Russ Cox
189153ed13 fix error that gcc thinks is a warning
R=ken
OCL=32264
CL=32386
2009-07-28 17:02:05 -07:00
Russ Cox
123ff2ebb8 bug177: anonymous struct fields in reflect
(reported by iant)

R=r
DELTA=50  (32 added, 12 deleted, 6 changed)
OCL=32263
CL=32385
2009-07-28 17:01:46 -07:00
Austin Clements
27b0c351af Implement comparison operators.
R=rsc
APPROVED=rsc
DELTA=304  (281 added, 0 deleted, 23 changed)
OCL=32361
CL=32382
2009-07-28 16:40:23 -07:00
Robert Griesemer
2210a643b7 Intersperse comments nicely when printing an AST.
gofmt formatted source code looks pretty good already;
with a bit more fine-tuning it should be great.

printer.go:
- Implemented comment intersperse algorithm.
  The approach is a result of many trial-and-error
  experiments but at this point reasonably simple
  and open to arbitrary fine-tuning.

parser.go:
- Simplified handling of lead and line comments
  (formerly called leading and trailing comments).
- Use a comments list instead of an array (I may
  change this back - this is not obviously better
  and uses more space).

doc.go:
- Remove comments from AST nodes that have been
  'consumed' in the documentation to avoid duplicate
  printing of them. Allows for better control of
  what is printed w/o use of printing control flags
  (which are hard to use and not fine-grained enough).

Corresponding adjustments to various clients of these
files.

R=rsc
DELTA=478  (275 added, 108 deleted, 95 changed)
OCL=32185
CL=32380
2009-07-28 16:38:59 -07:00
Austin Clements
f62585118c Fix segfault on unnamed function arguments. Make continue
jump to the post statement instead of the condition check.

R=rsc
APPROVED=rsc
DELTA=10  (6 added, 1 deleted, 3 changed)
OCL=32359
CL=32379
2009-07-28 16:38:41 -07:00
Robert Griesemer
d27bae5033 Fixed typos in comments.
TBR=rsc
OCL=32330
CL=32330
2009-07-28 15:03:05 -07:00
Robert Griesemer
6d3d25de21 Ring ADT.
- Provides analogous functionality to a doubly-linked list
  implementation.
- Completely symmetric set of operations.
- Operations on the ADT do not lead to results that are
  outside the domain of the ADT (closed interface).
- Alternative to container/list.

R=rsc
DELTA=489  (489 added, 0 deleted, 0 changed)
OCL=32284
CL=32323
2009-07-28 14:54:49 -07:00
Russ Cox
e50d3ba7e4 floating-point limits and equations
R=r
DELTA=13  (8 added, 2 deleted, 3 changed)
OCL=32291
CL=32322
2009-07-28 14:50:50 -07:00
Russ Cox
92c3627950 fmt boundary bugs.
pow10 was giving up too easily.

R=r
DELTA=4  (0 added, 3 deleted, 1 changed)
OCL=32310
CL=32321
2009-07-28 14:50:17 -07:00
Austin Clements
709e75e3a1 Implement if, for (modulo ranges), break, continue, increment,
and decrement.  blockCompilers now form a tree the mimics the
nesting of scopes and provide convenient ways to enter and
exit scopes.  blockCompilers also track the break and continue
PC for the current block.  The statement testing interface now
works in lists of statements, which simplifies a bunch of
things.

R=rsc
APPROVED=rsc
DELTA=401  (335 added, 44 deleted, 22 changed)
OCL=32308
CL=32317
2009-07-28 14:37:06 -07:00