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Commit Graph

88 Commits

Author SHA1 Message Date
Robert Griesemer
83af3229db Lots of cleanups in prep. for checking in parser and ast into lib:
- removed any symbol table stuff
- some interface cleanup
- removed lot's of dead wood
- half the support for type switches (simple form)
- name capitalization
Several rounds to come.

R=r
OCL=25797
CL=25797
2009-03-05 17:15:36 -08:00
Robert Griesemer
77567265a8 Preparation for moving scanner into a lib:
- separated out token definition from scanner
- cleaned up token and scanner implementation
- added comments to exported interfaces

R=r
OCL=25665
CL=25665
2009-03-03 18:25:07 -08:00
Robert Griesemer
63b332eddd - allow ()'s and {}'s for now when parsing calls/composite literals
- require ()'s around composite literals at the if/for/switch control clause level
- fixed a nasty bug: passing a value instead of a pointer to a value to an interface
  variable - and not noticing that the value is copied

R=r
OCL=25649
CL=25649
2009-03-03 16:00:06 -08:00
Russ Cox
be2edb5761 Automated g4 rollback of changelist 25024,
plus significant hand editing.

Back to T{x} for composite literals.

R=r
OCL=25612
CL=25632
2009-03-03 08:39:12 -08:00
Robert Griesemer
d169268a1a scanner cleanup - getting it ready to as a library
- removed unneeded code that accumulated over time
- change src from string to []byte (perhaps should be io.Read
but that has some other disadvantages)
- simplified interface

R=r
OCL=25615
CL=25615
2009-03-02 20:27:09 -08:00
Robert Griesemer
3689e221e8 Steps towards a general scanner/parser library for Go:
- converted more of AST and parser to use interfaces and explicit
structs for individual Go constructs (can be replaced now with
interface calls such that the parser becomes AST structure
independent, as suggested by rsc)
- added more tests (find all .go files under GOROOT)
- (temporarily) lost html links for identifiers when generating
html output
- TODO: lots of cleanups

R=r
OCL=25518
CL=25518
2009-02-27 15:40:17 -08:00
Robert Griesemer
4137f02bb7 - permit ()'s in types (TODO: update spec)
- accept embedded interfaces in interfaces
- missing: output incorrect, but at least all source code is accepted again

R=r
OCL=25223
CL=25223
2009-02-19 16:47:58 -08:00
Robert Griesemer
18ed7e690a - accept new composite literal syntax
- remove all parsing heuristics
- as a result, accept a wider syntax, but parser is simpler

R=r
OCL=25029
CL=25029
2009-02-13 16:27:53 -08:00
Robert Griesemer
127526649f - vector package (identical to array except for names)
- updated some file (but not all - left array package in place for now)

R=rsc
DELTA=530  (483 added, 0 deleted, 47 changed)
OCL=25025
CL=25025
2009-02-13 15:07:56 -08:00
Russ Cox
9f8f2e6130 convert composite literals from { } to ( ).
only non-trivial changes are in
	convlit1.go
	golden.out

R=gri
OCL=25019
CL=25024
2009-02-13 14:48:32 -08:00
Robert Griesemer
8e7873672e - fixed bugs related to the empty statement
(now in sync with the spec and with 6g)
- fixed incorrect logging statement in gds

R=r
OCL=24970
CL=24970
2009-02-12 16:06:21 -08:00
Russ Cox
49e2087848 insert type assertions when narrowing.
R=r
OCL=24349
CL=24913
2009-02-11 17:55:16 -08:00
Robert Griesemer
187cf78a7c - preparation for setting up types
- moved Object, Type, Scope  out of AST into symboltable
  - moved universe into symboltable
  - removed dead code
- fixed dependency computation (pretty -d filename.go)
- lots of cleanups
- removed tocken channel connection between parser and scanner
  (was cute, but not really needed)

R=r
OCL=24545
CL=24545
2009-02-06 11:10:25 -08:00
Robert Griesemer
89fc8465a8 - caseify parser functions (all but a few should not be exported)
- more elegant tracing code
- removed some dead code, cleanups

R=r
OCL=24452
CL=24452
2009-02-05 14:22:09 -08:00
Robert Griesemer
5d571cc67e snapshot:
- ast statements now use interfaces
- deleted old (now unused) code

R=r
OCL=24422
CL=24422
2009-02-05 11:05:02 -08:00
Robert Griesemer
1595a1947c today's snapshot: steps towards using interfaces for statements in ast
R=r
OCL=24380
CL=24380
2009-02-04 18:28:41 -08:00
Robert Griesemer
c048ee21ad - converted expr representation of ast into a new representation
using interfaces properly => much cleaner code
- converted tracing code to use 'defer' statement
- next steps: convert rest of ast as well

R=r
OCL=24277
CL=24277
2009-02-03 17:44:01 -08:00
Robert Griesemer
6dd93bbfbc - changed pretty parser to parse and print new function type syntax
- added more test cases
- fixed a bug in test script which prevented errors to show up...

R=r
OCL=23832
CL=23974
2009-01-30 15:31:04 -08:00
Robert Griesemer
3d4d5ad04c defer statement
R=r
OCL=23542
CL=23542
2009-01-26 17:48:27 -08:00
Robert Griesemer
88da39feea - snapshot before making larger change
R=r
OCL=23403
CL=23403
2009-01-23 13:50:14 -08:00
Robert Griesemer
9e3b0f444a snapshot before making more changes:
- fine-tuning of ast
- more accurate block pos info (improved printing in some cases)
- collecting local variables and fields
- more work on type checking
- lots of minor tweaks

R=r
OCL=23375
CL=23375
2009-01-23 09:44:01 -08:00
Robert Griesemer
96c20204a7 - updated pretty (removed "export")
R=r
OCL=23134
CL=23134
2009-01-20 15:22:33 -08:00
Russ Cox
839a68469b delete export
TBR=r
OCL=23121
CL=23127
2009-01-20 14:40:40 -08:00
Robert Griesemer
626d25065d casify struct fields
R=r
OCL=22998
CL=22998
2009-01-16 15:31:34 -08:00
Robert Griesemer
2527bba993 casify pretty
R=r
OCL=22899
CL=22899
2009-01-15 17:16:41 -08:00
Robert Griesemer
aa1264472e - added mechanism to detect capitalization issues
Use: pretty -naming files

R=r
OCL=22859
CL=22859
2009-01-15 14:19:35 -08:00
Robert Griesemer
a0c709bef8 - use new letter definition for pretty
- fixed a bug with error column reporting in the presence of utf-8 chars
- fixed an assertion failure

R=r
OCL=22762
CL=22762
2009-01-14 15:19:34 -08:00
Robert Griesemer
ba556a8818 - removed an unnecessary field from AST.Expr nodes
R=r
OCL=22601
CL=22601
2009-01-12 17:44:10 -08:00
Robert Griesemer
c620dd9759 - preparation to add type info to ast
- consolidation of files, cleanup
- more success producing idempotent output for some files with comments
  containing tabs
- snapshot of the day

R=r
OCL=22474
CL=22474
2009-01-09 16:28:09 -08:00
Robert Griesemer
d54abad06f - first (global) idents with proper links to declarations in html output
(e.g. pretty -html source.go > source.html; then look at the html.file in a browser)

R=r
OCL=22331
CL=22331
2009-01-08 14:43:56 -08:00
Robert Griesemer
4dc3d74a36 - fixed a bug with building right-recursive trees iteratively
- moving scope handling into parser (simpler)
- snapshot of work today so far

R=r
OCL=22301
CL=22301
2009-01-08 12:04:00 -08:00
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
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
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
c9859e7bc6 - support for range clauses
R=r
OCL=21030
CL=21030
2008-12-11 17:45:45 -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
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
fcdcf33a71 - array-ify code, remove local implementation
R=r
OCL=19648
CL=19651
2008-11-19 16:49:50 -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
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
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
42ae5270d8 - handle field tags in pretty printer
R=r
OCL=18264
CL=18264
2008-10-31 14:27:34 -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