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162 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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