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395 Commits

Author SHA1 Message Date
Robert Griesemer
cb13c4d552 - more steps towards tracking idents in scopes 
- snapshot of today

R=r
OCL=22247
CL=22247
 2009-01-07 16:54:03 -08:00
Robert Griesemer
a3ddf4cfd1 - enabling tracking of declarations 
- removed dead code
- snapshot before making a lareger structural change

R=r
OCL=22226
CL=22226
 2009-01-07 13:58:56 -08:00
Robert Griesemer
5bd3c3b755 - support for [...] parsing and pretty printing 
R=r
OCL=22185
CL=22185
 2009-01-06 17:39:25 -08:00
Robert Griesemer
af065a0c77 - make code in gosrc compile again, check in all pending changes 
(this code doesn't match the existing language at this point,
  but it's a large code base which compiles - will eventually go
  away)
- enable compilation of it again in run.bash

R=r
DELTA=1147  (534 added, 311 deleted, 302 changed)
OCL=22176
CL=22176
 2009-01-06 16:26:45 -08:00
Robert Griesemer
e286260686 - fix parse heuristic: make(x) must accept a type for x 
R=r
OCL=22171
CL=22171
 2009-01-06 15:30:26 -08:00
Robert Griesemer
9662e7b2db - adjusted pretty to use old new, make 
R=r
OCL=22160
CL=22160
 2009-01-06 15:01:04 -08:00
Robert Griesemer
215eb7eb7f - steps towards augmenting ast with declaration info 
(will help produce html output where we can click on identifiers and
  get to the declaration)
- snapshot before changing back to old new

R=r
OCL=22159
CL=22159
 2009-01-06 14:54:18 -08:00
Ian Lance Taylor
4f3506b4ee Update for source code changes. 
R=gri
DELTA=15  (13 added, 1 deleted, 1 changed)
OCL=21632
CL=21639
 2008-12-19 14:32:00 -08:00
Russ Cox
08ca30bbfa change *map to map; *chan to chan; new(T) to new(*T) 
fix bugs left over from *[] to [] conversion.

TBR=r
OCL=21576
CL=21581
 2008-12-19 03:05:37 -08:00
Robert Griesemer
e9741e7dbd fix syntax error (syntax accepted by 6g, but not by pretty printer) 
R=r
OCL=21385
CL=21385
 2008-12-16 18:08:16 -08:00
Robert Griesemer
003f0ad6af - added missing file 
R=r
OCL=21384
CL=21384
 2008-12-16 18:03:18 -08:00
Robert Griesemer
b86359073e Snapshot. 
Preparations to track identifiers and declarations so that we can
generate good html links as pretty printer output:
- brought over old code and adjusted it
- initial hookups, nothing really running yet

R=r
OCL=21383
CL=21383
 2008-12-16 18:02:22 -08:00
Robert Griesemer
c9859e7bc6 - support for range clauses 
R=r
OCL=21030
CL=21030
 2008-12-11 17:45:45 -08:00
Robert Griesemer
4873bb217c Snapshot: 
- fixed html tag generation
- simplified html escaping machinery
  (not 100% correct for strings yet)
- can now produce the first mostly correct formatted html pages from source
  with (fake) links: e.g. pretty -html srcfile.go > srcfile.html
  R=r

OCL=20915
CL=20915
 2008-12-10 13:51:19 -08:00
Robert Griesemer
4ad804679d - snapshot if current state 
- fix pretty printer to work with new tabwriter interface

R=r
OCL=20854
CL=20854
 2008-12-09 15:29:15 -08:00
Russ Cox
3f8aa662e9 add support for ref counts to memory allocator. 
mark and sweep, stop the world garbage collector
(intermediate step in the way to ref counting).
can run pretty with an explicit gc after each file.

R=r
DELTA=502  (346 added, 143 deleted, 13 changed)
OCL=20630
CL=20635
 2008-12-05 15:24:18 -08:00
Russ Cox
c1868bc89d malloc fixes. 
can run peano 10 in 100 MB (instead of 1+ GB) of memory
when linking against this.
can run peano 11 in 1 GB of memory now.

R=r
DELTA=100  (44 added, 44 deleted, 12 changed)
OCL=20504
CL=20553
 2008-12-04 21:04:26 -08:00
Robert Griesemer
77aaf4f3a2 - adjusted const decl grammar to reflect spec changes 
- first cut at html writer (will do html escaping, html tag production)
- first cut at generating basic html output via pretty
- some cleanups

R=r
OCL=20550
CL=20550
 2008-12-04 18:18:41 -08:00
Robert Griesemer
2dba9a66e2 - fixed a bug with import printing (missing separator between alias and string) 
- rewrote declaration printing - was unreadable before
- no semicolons after closing "}" for types

R=r
OCL=20379
CL=20379
 2008-12-03 15:47:30 -08:00
Robert Griesemer
acfd1fd443 - oversight: extra allow source-level line breaks inside statement lists 
- fixed printing of empty structs/interfaces
- enable two more tests

R=r
OCL=20296
CL=20296
 2008-12-02 17:01:31 -08:00
Robert Griesemer
cb67a8324b - fine-tuning of white space 
- by default consider extra newlines in src for better formatting
- additional flags for control (-newlines, -maxnewlines, -optsemicolons)
- don't print ()'s around single anonymous result types

Status: Comparing the output of pretty with the input for larger files
shows mostly whitespace/formatting differences, which is what is desired.

TODO:
- Handling of overlong lines
- some esoteric cases which look funny

R=r
OCL=20293
CL=20293
 2008-12-02 16:49:44 -08:00
Ian Lance Taylor
748287d49e The flag and fmt libraries are now available from gccgo by 
default.  Fix PRETTY_OBJS to include compilation.o rather than
compilation.go.

R=gri
DELTA=10  (0 added, 8 deleted, 2 changed)
OCL=20248
CL=20257
 2008-12-02 12:52:47 -08:00
Robert Griesemer
37bdd3c3f5 - enabled comment printing by default 
- changed tab width to 8 chars by default to make test run properly
- excluded 4 files that are not idempotently printed
- fixed a couple of incorrect file position recordings in parser
- fine-tuned layout engine
- white-space formatting reasonable, but not perfect
- no handling of overlong lines
R=r

To use with smaller tabs:           pretty -tabwidth=4 file.go
To use with blanks instead of tabs: pretty -usetabs=0 file.go

OCL=20184
CL=20184
 2008-12-01 17:20:59 -08:00
Robert Griesemer
8bbd873c34 - better comment formatting, starting to look good 
- comment printing still disabled by default because idempotency test fails
- whitespace control better but not perfect yet
- snapshot before making some heuristics changes

R=r
OCL=20151
CL=20151
 2008-12-01 14:03:20 -08:00
Robert Griesemer
d79f687ed8 - collect addition source position information in parser 
for end of declarations, blocks, parameter lists, etc.
- use extra src positions to more accurately print comments
- fine-tuned low-level printing routine for comments
- added better debugging support

Status:
- comments now appear at the right place (inbetween the right tokens)
- newline control needs improvement (not very hard)
- comment printing disabled for now because pretty is not idempotent
with it; to enable: -comments

R=r
OCL=20079
CL=20079
 2008-11-26 17:07:45 -08:00
Robert Griesemer
732b53a1fe - snapshot of state before trying yet another, hopefully better working 
way to integrate comments into the generated output
- various simplificatins and cleanups throughout

R=r
OCL=20062
CL=20062
 2008-11-26 13:23:26 -08:00
Robert Griesemer
b1297aa04f - move error handling out of scanner 
- use more of the existing library code

R=r
OCL=19957
CL=19959
 2008-11-24 18:24:21 -08:00
Robert Griesemer
130e6f42f1 - implemented arbitrary padding char for tabwriter 
- implemented right-to-left alignment (numerical results)
- better comments and error handling
- added more tests
- updated dependent files

R=r
DELTA=232  (175 added, 11 deleted, 46 changed)
OCL=19761
CL=19780
 2008-11-21 09:35:49 -08:00
Robert Griesemer
01b44bbfc8 - move tabwriter into library 
- added preliminary tests (more to do)
- renamed type from TabWriter -> Writer
- adjusted my code where necessary

R=r
DELTA=825  (474 added, 346 deleted, 5 changed)
OCL=19744
CL=19753
 2008-11-20 17:39:41 -08:00
Robert Griesemer
0998eaf4a1 - correct error handling throughout 
- documentation, cleanups
- more options

R=r
OCL=19736
CL=19736
 2008-11-20 16:26:43 -08:00
Robert Griesemer
fcdcf33a71 - array-ify code, remove local implementation 
R=r
OCL=19648
CL=19651
 2008-11-19 16:49:50 -08:00
Robert Griesemer
34533f06eb - support for alignment via tabs instead of blanks 
- exclude a test due to syntax errors

R=r
OCL=19563
CL=19565
 2008-11-18 19:25:43 -08:00
Robert Griesemer
127c65b400 - untab app (snapshot - not quite complete) 
R=r
OCL=19558
CL=19558
 2008-11-18 18:44:17 -08:00
Robert Griesemer
654bc2badc - factored out tabwriter a separate writer filter 
(to be moved into std lib eventually)
- rewrote tabwriter to use byte buffers instead of strings
  (byte buffers to be moved into stdlib eventually)
- support for recent syntax changes
- no space printed after function name and before function parameters
- comments still disabled due to a known bug

R=r
OCL=19430
CL=19430
 2008-11-17 19:58:52 -08:00
Russ Cox
75647d2024 First pieces of malloc. 
R=r
DELTA=756  (754 added, 0 deleted, 2 changed)
OCL=19266
CL=19378
 2008-11-17 12:32:35 -08:00
Robert Griesemer
22e0e1b049 - better comment classification 
- related cleanups

R=r
OCL=19227
CL=19227
 2008-11-13 19:06:57 -08:00
Robert Griesemer
3c2f0ae132 * pretty printing snapshot: towards printing comments nicely 
- implemented elastic tabstops algorithm, now correct and documented
- first cut at printing comments (use -comments flag, disabled for now)
- struct field types are now aligned (using elastic tab stops)
- needs more fine-tuning

* fixed a bug in test script
* added quick smoke test to makefile and invoke it in run.bash
  instead of the full test

R=r
OCL=19220
CL=19220
 2008-11-13 17:50:46 -08:00
Robert Griesemer
2a58e7d7a0 more work on elastic tabs: 
- new code enabled, but no comments printed yet (so the effect
  of the elastic tabs is not seen yet)

TBR=r
DELTA=200  (93 added, 69 deleted, 38 changed)
OCL=18951
CL=18951
 2008-11-10 17:56:46 -08:00
Robert Griesemer
a3b4a3c29d - steps towards "flexible tab stops" simulation in pretty 
printing output
- not yet enabled

R=r
OCL=18842
CL=18842
 2008-11-07 18:30:58 -08:00
Robert Griesemer
b3c983f3a0 - fixed typo in parser.go 
- re-enabled bug118.go for pretty

R=r
OCL=18604
CL=18604
 2008-11-05 16:05:36 -08:00
Robert Griesemer
11a3f759fd - temporarily excluding bug118.go, causing pretty trouble 
R=r
OCL=18602
CL=18602
 2008-11-05 15:55:51 -08:00
Robert Griesemer
17596948e3 get rid of bignum leftovers 
R=r
OCL=18475
CL=18475
 2008-11-04 14:08:47 -08:00
Robert Griesemer
e2eccf3bd0 install bignum as library 
R=r
DELTA=3501  (1752 added, 1749 deleted, 0 changed)
OCL=18460
CL=18471
 2008-11-04 13:55:18 -08:00
Robert Griesemer
e2fe2f3f23 - better support for string conversions 
- removed trailing tabs

R=r
OCL=18458
CL=18458
 2008-11-04 11:37:19 -08:00
Robert Griesemer
7cd11c1c09 - completed integer support (some logical functions missing) 
- completed rational support
- better documentation
- more tests
- cleanups

R=r
OCL=18438
CL=18438
 2008-11-04 09:33:15 -08:00
Robert Griesemer
78b0013a07 - changed general div/mod implementation to a faster algorithm 
(operates on 30bit values at a time instead of 20bit values)
- refactored and cleaned up lots of code
- more tests
- close to check-in as complete library

R=r
OCL=18326
CL=18326
 2008-11-03 09:21:10 -08:00
Robert Griesemer
db27d309d1 - gcd, exponentiation, population count 
- more rational numbers stuff
- more tests

R=r
OCL=18295
CL=18295
 2008-10-31 16:58:56 -07:00
Robert Griesemer
42ae5270d8 - handle field tags in pretty printer 
R=r
OCL=18264
CL=18264
 2008-10-31 14:27:34 -07:00
Robert Griesemer
00dc6e9678 - fixed another test (arithmetic vs. logic shift bug) 
R=r
OCL=18235
CL=18237
 2008-10-31 10:52:59 -07:00
Robert Griesemer
afad827255 - div and mod (arbitrary precision) 
- more tests
- some global renames

R=r
OCL=18219
CL=18219
 2008-10-30 23:37:34 -07:00
Robert Griesemer
7112dc1db7 - implemented Shr 
- removed shift work-arounds (6g code appears to work now)
- made similar routines more regular in structure
- more tests

R=r
OCL=18102
CL=18102
 2008-10-29 22:05:42 -07:00
Robert Griesemer
276ffd297d - added shl operation, extra tests 
- fixed code so it works with any base between 9 and 64
- work-around for 6g shift problems in various places

R=r
OCL=18080
CL=18080
 2008-10-29 16:48:53 -07:00
Robert Griesemer
0ed4576c6a - update test.sh (caused an error since src/pkg dir is empty now) 
R=r
OCL=17987
CL=17987
 2008-10-28 20:20:55 -07:00
Robert Griesemer
379b5a3921 - steps towards implementation of div and mod 
- string conversion in different bases
- tracked down a 6g bug, use work-around for now

R=r
OCL=17981
CL=17981
 2008-10-28 18:42:26 -07:00
Robert Griesemer
1daad03545 - bug fixes, cleanups 
- integer string conversion

R=r
OCL=17923
CL=17923
 2008-10-27 17:57:31 -07:00
Robert Griesemer
2e777b44b8 - created staging area for getting bignum package up-to-speed again, 
now using up-to-date language features
- moved old code away from pkg (defunct anyway because of language changes)

R=r
OCL=17916
CL=17916
 2008-10-27 15:44:32 -07:00
Robert Griesemer
eba73552d2 - added simple facility to print Makefile dependency rules given a Go source file 
(e.g.: pretty -d pretty.go will print the Makefile dep. rules of the involved
  Go files that are not part of the installed library)
- minor fix in pretty printer (tested against ken's test files)

R=r
OCL=17872
CL=17872
 2008-10-26 21:32:30 -07:00
Ken Thompson
b379d54dea another step toward interface subtypes 
put explicit ./ on some runtime tests

R=r
OCL=17839
CL=17839
 2008-10-24 20:14:28 -07:00
Robert Griesemer
63ed2b710b - missing file 
R=r
OCL=17813
CL=17813
 2008-10-24 14:08:01 -07:00
Robert Griesemer
cec64a2dd5 - some factoring of scan/parse phase so we can attach other functionality 
easily (for instance import dependency extraction)
- support for new "..." syntax
- minor cleanup

R=r
OCL=17811
CL=17811
 2008-10-24 14:04:54 -07:00
Robert Griesemer
816c1cefff - expanded parsing heuristics to deal with new(T, ...) 
- fixed an issue with select
- added all bugs and fixedbugs tests that are syntactically correct to the test suite
- minor cosmetic changes

R=r
OCL=17759
CL=17759
 2008-10-23 17:56:54 -07:00
Rob Pike
5d30161ca7 move reflection code into final place. 
this is just a branch.
next cl will update and add to build

R=rsc
DELTA=4528  (2264 added, 2264 deleted, 0 changed)
OCL=17670
CL=17672
 2008-10-22 17:12:07 -07:00
Rob Pike
34b8873722 Reflection values. 
R=rsc
DELTA=206  (79 added, 25 deleted, 102 changed)
OCL=17652
CL=17669
 2008-10-22 16:48:17 -07:00
Rob Pike
0061e56196 Add names to types to avoid recursive explosion and to get 
the right answer when a type name redefines an existing type.

R=rsc
DELTA=133  (53 added, 8 deleted, 72 changed)
OCL=17637
CL=17639
 2008-10-22 13:02:43 -07:00
Robert Griesemer
79985fa569 - exclude newfn.go from tests - cannot be parsed syntactically alone 
in general

R=rsc
DELTA=2  (1 added, 0 deleted, 1 changed)
OCL=17624
CL=17624
 2008-10-22 11:27:18 -07:00
Rob Pike
fac3dfe638 More reflection code. 
Beginnings of values.
typestrings are grabbed from the environment.

R=rsc
APPROVED=rsc
DELTA=1046  (952 added, 3 deleted, 91 changed)
OCL=17593
CL=17621
 2008-10-22 11:02:56 -07:00
Robert Griesemer
71d6cda6b2 - remove inconsistent directory from tests 
R=rsc
DELTA=1  (0 added, 1 deleted, 0 changed)
OCL=17514
CL=17514
 2008-10-20 17:37:48 -07:00
Robert Griesemer
baac04b518 enable tests that verify that pretty-printed code can be compiled with 6g again 
R=r
OCL=17510
CL=17510
 2008-10-20 17:13:02 -07:00
Robert Griesemer
9d20c85ae9 - fixed missing parens in some cases of unary expressions 
- added validation test verifying that pretty output compiles with 6g again (disabled at the moment)
- replaced another recursive function with an interative solution

R=r
OCL=17505
CL=17505
 2008-10-20 16:44:03 -07:00
Robert Griesemer
5d0e5a7867 - use stringtorune library function for faster rune scanning 
- converted 2 right-recursive parsing functions into iterative versions
- renamed node.go -> ast.go (clearer)

R=r
OCL=17496
CL=17498
 2008-10-20 15:03:40 -07:00
Robert Griesemer
a11d5aecb8 - removed double-declaration of len() 
R=r
OCL=17463
CL=17463
 2008-10-20 12:51:18 -07:00
Robert Griesemer
6440c59e22 - removed need for lhs field in stat node 
- as a result deleted some more code

R=r
OCL=17449
CL=17449
 2008-10-20 10:01:34 -07:00
Robert Griesemer
52e9080d56 - simplified parsing of composite literals and slices by 
treating ":" as lowest-level binary operator
- more precise error message for composites
- added flag -columns (false) - when set, prints precise error column
- a few more tests

R=r
OCL=17428
CL=17428
 2008-10-18 20:20:30 -07:00
Robert Griesemer
e45eb60657 Added mechanism for very precise self-testing: 
- in selftest mode (-t) interpret comments of the form /* ERROR */ and /* SYNC */
  and validate reported errors with the error markings in a file
- added initial selftest.go file

Also:
- fixed an issue with empty blocks
- generally report better error messages
- added many more tests to the test script (essentially all .go programs which
  have no syntax errors)

R=r
OCL=17426
CL=17426
 2008-10-18 16:42:25 -07:00
Rob Pike
265e73ee14 beginnings of reflection values. 
R=rsc
DELTA=421  (357 added, 17 deleted, 47 changed)
OCL=17388
CL=17401
 2008-10-17 18:06:29 -07:00
Robert Griesemer
071e963e0e - fixed bug that wasn't caught by 6g (but by gccgo) 
R=r
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=17380
CL=17380
 2008-10-17 16:27:49 -07:00
Robert Griesemer
f39b518bcb - fixed a couple of corner cases (empty statements, empty composites) 
- more robust printing in presence of errors
- fixed incorrect printing of function literals

R=r
OCL=17378
CL=17378
 2008-10-17 16:19:31 -07:00
Rob Pike
cac904b609 add simple synchronization mechanism. 
R=rsc
DELTA=25  (19 added, 1 deleted, 5 changed)
OCL=17346
CL=17346
 2008-10-17 10:58:34 -07:00
Robert Griesemer
61d9a3c3b0 - stronger syntax checks 
- fixed a bug with non-eof terminated //-style comments
- collecting comments
- first experiments with reproducing comments
  (works but not very pretty, disabled for now)
- idempotent for all correct .go files we have checked in

R=r
OCL=17333
CL=17333
 2008-10-16 23:30:42 -07:00
Robert Griesemer
c4f9f369a6 - added test script 
- fixed a couple of printing bugs
status: parses, reproduces, and idempotently reproduces all correct .go files

R=r
OCL=17332
CL=17332
 2008-10-16 19:24:33 -07:00
Rob Pike
060f157dc8 type string parser; now handles all types 
R=rsc
DELTA=253  (153 added, 81 deleted, 19 changed)
OCL=17331
CL=17331
 2008-10-16 18:09:38 -07:00
Rob Pike
32b84d5a94 parsing of type strings. still missing: func, struct, interface, chan 
R=rsc
DELTA=366  (337 added, 7 deleted, 22 changed)
OCL=17321
CL=17324
 2008-10-16 16:38:33 -07:00
Robert Griesemer
bc641d1e9c - more robust TokenString implementation 
R=r
OCL=17319
CL=17319
 2008-10-16 15:28:36 -07:00
Robert Griesemer
3c9b817257 snapshot: 
- typeguards, var decls, several printing bug fixed
- now fully idempotent on many files (which are accepted by 6g afterwards)
- still some detail issues

R=r
OCL=17310
CL=17310
 2008-10-16 14:25:23 -07:00
Robert Griesemer
b705ac6cf5 - composites, receivers, various add. checks 
R=r
OCL=17295
CL=17295
 2008-10-16 12:16:50 -07:00
Rob Pike
082f116b2d Change file name from "print" to "tostring" and update the rest. 
R=rsc
DELTA=225  (109 added, 107 deleted, 9 changed)
OCL=17294
CL=17294
 2008-10-16 11:19:48 -07:00
Rob Pike
e5c114eff8 convert print to ToString. 
file name change in next round.

R=rsc
DELTA=71  (18 added, 19 deleted, 34 changed)
OCL=17291
CL=17293
 2008-10-16 11:12:02 -07:00
Robert Griesemer
a09b7fdd6c snapshot: 
- fallthrough stat, label decls
- improved printing layout

R=r
OCL=17283
CL=17283
 2008-10-16 10:16:59 -07:00
Robert Griesemer
237eea4ea5 - updated makefile for gccgo 
R=r
OCL=17243
CL=17245
 2008-10-15 17:13:00 -07:00
Rob Pike
693a31b88e reflection type structure. no parsing etc. yet. 
main is a simple tester outside the Makefile.

R=rsc
DELTA=455  (455 added, 0 deleted, 0 changed)
OCL=17235
CL=17242
 2008-10-15 17:11:51 -07:00
Robert Griesemer
6b49713df5 snapshot of pretty printer: 
- almost there, receivers, labels, composites, comments are not yet printed
- runs through 18KLOC of Go code and prints it again

R=r
OCL=17237
CL=17237
 2008-10-15 17:06:28 -07:00
Robert Griesemer
82fbbdfc7d snapshot 
- fixed expression and statement printing
- missing: declarations, comments

R=r
OCL=17207
CL=17207
 2008-10-15 11:48:18 -07:00
Rob Pike
69baaa9751 move regexp to lib 
next cl will update names and add to build

R=rsc
DELTA=1876  (938 added, 938 deleted, 0 changed)
OCL=17149
CL=17166
 2008-10-14 19:22:17 -07:00
Robert Griesemer
7c3a2c47b0 - snapshot of pretty printer work 
- accepts all Go code (use -s flag)
- complete rewrite of AST, AST building, and printing
  (as a result much more compact)
- printing severely screwed up at the moment, but should be
  fully working in 1 more day

R=r
DELTA=2118  (514 added, 980 deleted, 624 changed)
OCL=17161
CL=17161
 2008-10-14 18:14:01 -07:00
Rob Pike
0b05e91f8b add some tests 
fix some bugs in () ordering and rune processing

R=rsc
DELTA=72  (27 added, 5 deleted, 40 changed)
OCL=17147
CL=17147
 2008-10-14 17:45:49 -07:00
Rob Pike
75df21ceff implement matching 
clean up interface equality hack

still needs more tests; checking in for gccgo testing

R=rsc
DELTA=304  (261 added, 14 deleted, 29 changed)
OCL=17128
CL=17135
 2008-10-14 16:32:43 -07:00
Rob Pike
e8828dcbe1 add character classes. 
allocate into an array for easier scanning and printing.

R=rsc
DELTA=282  (193 added, 44 deleted, 45 changed)
OCL=16955
CL=16955
 2008-10-11 16:48:05 -07:00
Rob Pike
0f0648d33c convert from integer indexes to interface variables. 
update printing.

R=rsc
DELTA=194  (60 added, 41 deleted, 93 changed)
OCL=16942
CL=16945
 2008-10-10 18:42:19 -07:00
Robert Griesemer
89319cfbf9 - implemented heuristic for composite literals starting with a type name: 
if in a if, for, or switch header, must be parenthesized
- implemented string concatenation
- simplified a lot of code
- added many more tests: can now parse all *.go files I got my hands on
- printing output currently broken in some cases, use with -s (silent) option

R=r
OCL=16932
CL=16934
 2008-10-10 16:03:32 -07:00
Rob Pike
41c462c0a1 cat unmatched ) 
delete unused This() in preparation for removing linking via array indexes

R=rsc
DELTA=26  (2 added, 23 deleted, 1 changed)
OCL=16895
CL=16909
 2008-10-10 12:41:43 -07:00
Rob Pike
8f5b277cac beginnings of regular expression library. 
will move elsewhere when more complete.
parses, does not execute.
no character classes yet.

R=rsc
DELTA=522  (522 added, 0 deleted, 0 changed)
OCL=16863
CL=16874
 2008-10-09 19:40:53 -07:00
Robert Griesemer
583dac04e3 - more cleanups (simpler code for optional semi's, bug fixes) 
R=r
OCL=16869
CL=16869
 2008-10-09 18:03:16 -07:00
Robert Griesemer
638233a7d6 - don't allow empty decl lists (e.g. const ()) 
R=r
OCL=16698
CL=16698
 2008-10-07 18:30:08 -07:00
Robert Griesemer
44dffd92fc - accept new semicolon syntax (at the moment, 
the parser accepts a bit more then it should)

R=r
OCL=16694
CL=16694
 2008-10-07 17:57:19 -07:00
Russ Cox
e6cd1e445b remove uses of *T as an implicit forward declaration of T 
R=gri,r
OCL=16648
CL=16652
 2008-10-07 12:59:54 -07:00
Russ Cox
983f06bdb6 update code to follow new semicolon rules: 
*  1. all statements and declarations are terminated by semicolons
 *  2. semicolons can be omitted at top level.
 *  3. semicolons can be omitted before and after the closing ) or }
 *	on a list of statements or declarations.

/home/rsc/bin/addsemi and then diff+tweak.

R=r,gri
OCL=16620
CL=16643
 2008-10-07 12:31:31 -07:00
Robert Griesemer
4fb6064c11 - fixed Makefile, added more tests 
- fixed parsing of parameter lists (sigh)

R=r
DELTA=48  (22 added, 7 deleted, 19 changed)
OCL=16319
CL=16321
 2008-10-01 14:31:44 -07:00
Robert Griesemer
a6400dd448 more fine-tuning of ;'s 
R=r
OCL=16274
CL=16274
 2008-09-30 19:31:27 -07:00
Robert Griesemer
6349d38ebc - fixed semicolon handling in pretty printer 
- some scanner cleanup
- new pretty-printed code can be compiled again (for some files)

R=r
OCL=16272
CL=16272
 2008-09-30 18:50:29 -07:00
Robert Griesemer
bf855f5a94 - allow for embeded types in fields, and parameter lists w/o parameter names 
- temporary work-around for 6g bug

R=r
OCL=16052
CL=16052
 2008-09-27 17:42:18 -07:00
Robert Griesemer
3548350d3e Snapshot. 
Added support for function literals, composite literals.
Bug fixes.

R=r
OCL=15911
CL=15911
 2008-09-25 17:20:39 -07:00
Robert Griesemer
8415280699 - more missing constructs added 
- removed excessive ";"'s
- no ()'s around expressions where not needed
- parser.go now reproduced and parseable again

R=r
OCL=15881
CL=15881
 2008-09-25 15:14:26 -07:00
Robert Griesemer
c51195386e snapshot: more pretty printer stuff 
R=r
OCL=15863
CL=15863
 2008-09-25 11:50:34 -07:00
Robert Griesemer
2a19d7dc42 - added names to result signatures to make it compile with gccgo 
- adjusted the makefile to explicitly compile flag.go and fmt.go for gccgo

R=r
OCL=15822
CL=15822
 2008-09-24 22:01:52 -07:00
Robert Griesemer
c5a29a6dd4 - more ast buidling and printing 
- almost complete language reproduced

R=r
OCL=15801
CL=15801
 2008-09-24 15:50:28 -07:00
Robert Griesemer
83267dce11 - added initial formatting: indentation 
- more AST nodes built and printed

R=r
OCL=15735
CL=15735
 2008-09-23 18:34:17 -07:00
Robert Griesemer
09bed25621 - snapshot of pretty printer status 
- parts of AST built and printed
- no formatting yet

R=r
OCL=15727
CL=15727
 2008-09-23 16:40:12 -07:00
Robert Griesemer
b390608636 - added gccgo makefile 
R=r
OCL=15693
CL=15695
 2008-09-23 11:17:44 -07:00
Robert Griesemer
c13c03c261 - first cut at building and printing AST 
R=r
OCL=15675
CL=15675
 2008-09-22 18:26:12 -07:00
Robert Griesemer
d910e90edd - heuristics for parsing composite literals in some cases 
- fixed result parsing of function types

R=r
OCL=15585
CL=15585
 2008-09-19 18:06:53 -07:00
Robert Griesemer
bf04eefddf - simplified parser by better factoring 
R=r
OCL=15539
CL=15542
 2008-09-19 12:12:28 -07:00
Robert Griesemer
26adb31c30 - fix for out-of-bounds error found by rsc 
- removed tests that may have wrong Go code from Makefile

R=r
OCL=15532
CL=15532
 2008-09-19 10:56:35 -07:00
Robert Griesemer
6e08991eba - fixed another parser bug, now correctly parse more tests 
R=r
OCL=15518
CL=15518
 2008-09-18 23:30:32 -07:00
Robert Griesemer
2b70c6add3 - fixed old test cases with wrong syntax 
- added more test cases to Makefile
- fixed another parser issue (possibly a 6g bug - to be tracked down)

R=r
OCL=15516
CL=15516
 2008-09-18 23:09:07 -07:00
Robert Griesemer
a1ee6804dd - fixed bug which prevented parser.go from compiling 
(typo in ptr decl lead to an unresolved forward declaration)
- fixed parser bugs
- fixed Makefile
- now successfully parses most code

Issues:
- composite literals (cannot be identified easily from syntax alone)
- new(T, ...) (cannot be identified easily from syntax alone since
  new is not a keyword and thus could be a different function then
  the allocation function at which point "new((x + y))" is legal,
  but the inner "(x" looks like the beginning of a function type)

R=r
OCL=15515
CL=15515
 2008-09-18 22:53:54 -07:00
Robert Griesemer
81d7c51837 First cut at a Go pretty printer: 
- code scavenged from Go-in-Go front-end (will merge back)
- using "symbol-table" free parsing to build AST
- no printing yet

R=r
OCL=15504
CL=15504
 2008-09-18 16:58:37 -07:00
Robert Griesemer
119324d785 - updated printing of chan types 
R=r
OCL=15448
CL=15448
 2008-09-17 14:26:01 -07:00
Robert Griesemer
a456463891 - changed my scanner/parser to accept new channel syntax 
R=r
OCL=15439
CL=15439
 2008-09-17 13:05:39 -07:00
Robert Griesemer
e1a9b6ee77 - updated code to work again with latest 6g version 
R=r
OCL=15235
CL=15235
 2008-09-12 12:09:43 -07:00
Robert Griesemer
0ba1db7475 - fixed missing return issues 
R=r
OCL=15168
CL=15168
 2008-09-11 15:38:22 -07:00
Robert Griesemer
478090851b - adjust my code and tests to new function syntax 
R=r
OCL=14939
CL=14941
 2008-09-08 13:26:52 -07:00
Robert Griesemer
30aa83ca6e - adjusted my submitted code to work with latest compiler changes 
R=r
OCL=14734
CL=14734
 2008-09-02 17:26:00 -07:00
Robert Griesemer
683ded80c9 - changed go-in-go parser to require ()'s for panic and print 
- adjusted much of the existing go code
- missing: tests

R=r
DELTA=229  (1 added, 17 deleted, 211 changed)
OCL=14103
CL=14103
 2008-08-11 21:20:42 -07:00
Robert Griesemer
58ba20b5a2 - allow reserved words as field and method names 
R=r
OCL=14102
CL=14102
 2008-08-11 20:40:37 -07:00
Robert Griesemer
40c93a5238 - experiments with forward-declaring types of non-imported packages 
- adjusted switch syntax (no repeated case: case: anymore)
- enabled some constant expressions that work now

R=r
OCL=14098
CL=14098
 2008-08-11 18:44:41 -07:00
Robert Griesemer
c7fb27f6e4 - more steps towards automatic recursive compilation of dependencies 
- make forward declarations of types match 6g
- better factoring

R=r
OCL=14059
CL=14059
 2008-08-11 09:45:40 -07:00
Robert Griesemer
bc13a1a374 first primitive cut at resolving missing imports automatically: 
if an import file is missing, the corresponding source
is compiled automatically, if found

R=r
OCL=13990
CL=13990
 2008-08-07 19:32:22 -07:00
Robert Griesemer
882ac63885 - implement scanner token stream via channel 
- change test_scanner to scan using both methods
- add -pscan flag to Go front-end to choose between conventional
  synchronous or parallel asynchronous scanning

R=r
OCL=13937
CL=13937
 2008-08-06 18:57:37 -07:00
Robert Griesemer
333b70bee0 snapshot of today's changes - more semantic tests 
R=r
OCL=13932
CL=13932
 2008-08-06 17:26:46 -07:00
Robert Griesemer
687f387c0b - added more semantic checks - more to come 
- distinguish float/int literals syntactically
- fixed a tracing bug

R=r
OCL=13906
CL=13906
 2008-08-05 18:52:37 -07:00
Robert Griesemer
28547615ce - fixed another export bug 
- more self-verification code

R=r
OCL=13894
CL=13894
 2008-08-05 15:20:58 -07:00
Robert Griesemer
7a799be49a - switch to new export syntax 
- deprecate old syntax in this front-end (use -6g for compatibility)

R=r
OCL=13831
CL=13833
 2008-08-04 15:37:47 -07:00
Robert Griesemer
997a94294f - import/export cleanup: added comments, removed dead code, re-org structure 
R=r
OCL=13816
CL=13816
 2008-08-04 13:27:05 -07:00
Robert Griesemer
71d50b8bf9 - more import/export stuff 
- use new export syntax

R=r
OCL=13807
CL=13807
 2008-08-04 10:19:36 -07:00
Robert Griesemer
c6eb85aecf - simplified handling of primary types (types w/ names which must 
be canonicalized upon import)
- missed some exports

R=r
OCL=13733
CL=13733
 2008-08-01 14:50:18 -07:00
Robert Griesemer
0abbb8c76b more import/export stuff: 
- no need to import/export predeclared types
- fix for receiver types
- cleanups
- added tests to Makefile

R=r
OCL=13728
CL=13730
 2008-08-01 13:33:31 -07:00
Robert Griesemer
54c8948f7f - added import/export test cases 
R=r
OCL=13723
CL=13723
 2008-08-01 12:14:15 -07:00
Robert Griesemer
57fcdcca21 fixed bug in FixExt routine 
R=r
OCL=13695
CL=13695
 2008-07-31 15:35:25 -07:00
Robert Griesemer
9761a6d069 - backward link from objs to containing scope 
(first step towards cleaner package handling)
- check that map, function, and channel vars are pointers

R=r
OCL=13690
CL=13690
 2008-07-31 13:35:30 -07:00
Robert Griesemer
0c374e9f89 - fixed a bug w/ exports (wrong package info) 
- keep track of type alias (type T1 T0) so we can print the proper type name

R=r
OCL=13688
CL=13688
 2008-07-31 10:47:10 -07:00
Robert Griesemer
9fb9e82fa3 - added missing file 
R=r
OCL=13681
CL=13681
 2008-07-30 21:51:25 -07:00
Robert Griesemer
6dd92ea6cb - fixed import bug (import "...") 
- better debugging support
- removed dead code

R=r
OCL=13680
CL=13680
 2008-07-30 21:26:15 -07:00
Robert Griesemer
1f46513917 various fixes: 
- missing return in import code
- proper propagation of flags to various components
- better error message when source position is missing
- cleanups

R=r
OCL=13676
CL=13676
 2008-07-30 17:36:03 -07:00
Robert Griesemer
6acdf3edff - addded interface pretty printer 
R=r
OCL=13646
CL=13646
 2008-07-30 13:01:28 -07:00
Robert Griesemer
4b0b7d8dfe - import and export code, bug fixes 
- almost back to where I was in C++, but now all in Go

R=r
OCL=13627
CL=13627
 2008-07-29 19:02:49 -07:00
Robert Griesemer
fce9118610 - handling of pointer forward decls 
- some comments added to bug cases
- added notes

R=r
OCL=13543
CL=13543
 2008-07-29 12:03:06 -07:00
Robert Griesemer
5fc7919147 Experiments with "export": 
Allow "export" keyword in front of a declaration. Semantics:
export *top-level* identifiers declared (but not the fields
of a struct type for instance).

R=r
OCL=13464
CL=13464
 2008-07-25 11:27:13 -07:00
Robert Griesemer
cf4c37cac3 - more work on SimpleStat production 
R=r
OCL=13461
CL=13461
 2008-07-25 09:35:03 -07:00
Robert Griesemer
f03deb339a - fixed several parser issues 
R=r
OCL=13441
CL=13441
 2008-07-24 17:00:58 -07:00
Robert Griesemer
fda1d16935 - parsing support for composite literals 
R=r
OCL=13394
CL=13394
 2008-07-23 16:59:06 -07:00
Robert Griesemer
b0ada5ddf7 - more work on semantic checks - not yet enabled by default 
R=r
OCL=13391
CL=13391
 2008-07-23 16:04:11 -07:00
Robert Griesemer
5a90ede8a4 - scanner returns now triple (tok, tok_pos, tok_val) 
- initial try-out of AST data structures
- removed test_parser (not working anymore - parser needs more infrastructure)

SVN=128089
 2008-07-18 17:18:29 -07:00
Robert Griesemer
e912c18c7c - missing changes from prev. commit 
SVN=128064
 2008-07-18 14:23:04 -07:00
Robert Griesemer
dead164cc0 - made initial export work 
- added code for importing (not tested)
- various fixes

SVN=128061
 2008-07-18 14:04:21 -07:00
Robert Griesemer
c3e9c7d106 - more front-end stuff: hooking up packages, preparing for exports 
SVN=127931
 2008-07-17 18:02:10 -07:00
Robert Griesemer
85303f2715 - moved struct Compilation into globals.go, adjusted deps 
- bail out after > 10 errors
- fixed send/recv statements

SVN=127890
 2008-07-17 15:11:46 -07:00
Robert Griesemer
d88c759e87 - moved package code into globals.go, adjusted deps 
SVN=127887
 2008-07-17 14:53:13 -07:00
Robert Griesemer
0e67654f94 - changed channel operators 
- more work on packages

SVN=127671
 2008-07-16 17:00:48 -07:00
Robert Griesemer
f550cd67e0 - more infrastructure 
SVN=127430
 2008-07-15 19:59:00 -07:00
Robert Griesemer
a6f87794ff - added more code (package, export, compilation) 
- first cut at semantic checks (disabled)

SVN=127348
 2008-07-15 15:37:14 -07:00
Robert Griesemer
0cee302802 - func reorg to reduce forward decls and improve structure 
SVN=127229
 2008-07-15 10:05:17 -07:00
Robert Griesemer
d9d5f3b3bc - fixed issue with parsing function literals in statement lists 
SVN=127218
 2008-07-15 09:22:20 -07:00
Robert Griesemer
230230c880 - no column info in error messages for Rob 
- fixed parsing of function literals
- added first round of scope handling

SVN=127124
 2008-07-14 18:06:41 -07:00
Robert Griesemer
fbab6ae9b5 - added universe, universe initialization 
- fixed types, added missing exports, etc.

SVN=127104
 2008-07-14 16:57:42 -07:00
Robert Griesemer
5a81d1f29f - more go code 
SVN=126934
 2008-07-11 20:15:12 -07:00
Robert Griesemer
ae905980e7 - fixed bug in parser.go 
- added more tests

SVN=126784
 2008-07-10 20:50:38 -07:00
Robert Griesemer
bb9d53e570 - added buildtime 
SVN=126776
 2008-07-10 18:46:30 -07:00
Robert Griesemer
afbf717eeb - created new dir (gosrc) for go-based front-end 
- adjusted makefiles

SVN=126763
 2008-07-10 18:05:00 -07:00
Robert Griesemer
72772282cd - more frontend pieces in Go 
SVN=126744
 2008-07-10 17:21:23 -07:00
Robert Griesemer
8be580e20d - improved error handling 
SVN=126718
 2008-07-10 14:42:33 -07:00
Robert Griesemer
9ec762791e - filed a bug against 6g (bug065.go) 
- improved scanner.go error handling

SVN=126706
 2008-07-10 13:45:02 -07:00
Robert Griesemer
e4a1fb7e94 - minor bug fix 
SVN=126585
 2008-07-09 17:08:20 -07:00
Robert Griesemer
6837c5927f - initial better error reporting 
SVN=126578
 2008-07-09 16:23:48 -07:00
Robert Griesemer
415397e3b7 - replaced recursive parsing of binary expressions with 
precedence-based expression parser

SVN=126556
 2008-07-09 14:48:26 -07:00
Robert Griesemer
cab94922e7 - completed parser - accepts full language (modulo bugs) 
SVN=126551
 2008-07-09 14:01:17 -07:00
Robert Griesemer
1e9adf8228 - more fixes to parser 
SVN=126511
 2008-07-09 10:45:04 -07:00
Robert Griesemer
33069d39b6 - fixed scanner and parser issues to be able to parse math lib 
SVN=126501
 2008-07-09 10:16:33 -07:00
Robert Griesemer
8e4ee0045f - more work on Go parser 
- added tests

SVN=126439
 2008-07-08 18:37:31 -07:00
Robert Griesemer
c40be3b1e7 - go parser parses itself 
SVN=126408
 2008-07-08 16:39:04 -07:00
Robert Griesemer
835cd46941 - first cut a Go parser in Go 
SVN=126242
 2008-07-07 17:27:14 -07:00
Robert Griesemer
65269ccd3d - more work on Go scanner 
SVN=126004
 2008-07-03 18:07:03 -07:00
Robert Griesemer
ba25fe80a2 - minor update 
SVN=125989
 2008-07-03 16:51:22 -07:00
Robert Griesemer
b43ad96ed6 - filed a bug w/ constant evaluation 
SVN=125966
 2008-07-03 15:16:51 -07:00
Robert Griesemer
ed9743dc3a - more Go scanner work 
SVN=125831
 2008-07-02 23:19:31 -07:00
Robert Griesemer
85728a2da7 - implemented first cut at Go scanner in Go 
SVN=125785
 2008-07-02 17:02:55 -07:00