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Author SHA1 Message Date
Gareth Rees
44b734b3a0 Separate the interactive and non-interactive loops for clarity. 
New function "load" loads a file; call this in the non-interactive case.
Fix bug: close file handle after loading (if no error).

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 Change: 180299
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 2012-11-03 15:49:59 +00:00
Gareth Rees
2ee1746ea8 Integrate quasiquote improvements from scheme.c. 
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 Change: 180297
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 2012-11-02 22:45:41 +00:00
Gareth Rees
0130b9fe05 Integrate quasiquote improvements. 
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 Change: 180296
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 2012-11-02 22:39:26 +00:00
Gareth Rees
fef5178a3a Improve quasiquote implementation. 
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 Change: 180295
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 2012-11-02 22:38:05 +00:00
Gareth Rees
7f34f0e8cb Implement the global symbol table as a weak-value hash table from strings to symbols. 
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 Change: 180294
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 2012-11-02 21:23:12 +00:00
Gareth Rees
d18dd95c1f Integrate error implementation from scheme-malloc.c. 
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 Change: 180293
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 2012-11-02 19:12:58 +00:00
Gareth Rees
99d142ffd6 Implement "error". 
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 Change: 180292
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 2012-11-02 19:07:55 +00:00
Gareth Rees
ae557d16c9 New test case for weak hash tables (doesn't pass yet). 
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 2012-11-02 17:35:39 +00:00
Gareth Rees
f05835b3ae Refactor test code now that we can load it. 
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 Change: 180290
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 2012-11-02 17:35:05 +00:00
Gareth Rees
3633d3b64a Merge scheme.c changes (load, eqv) into scheme-advanced.c. 
Improve weak hash table interface.
Fix a couple of bugs in handling of dependent objects.

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 Change: 180289
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 2012-11-02 17:34:49 +00:00
Gareth Rees
186cafaa5c Integrate load from scheme-malloc.c. 
Copied from Perforce
 Change: 180288
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 2012-11-02 16:40:22 +00:00
Gareth Rees
5225f07f06 Implement load. 
Copied from Perforce
 Change: 180287
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 2012-11-02 16:38:44 +00:00
Gareth Rees
7bca0dfad5 Integrate eq-hash and eqv-hash from scheme-malloc.c. 
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 Change: 180285
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 2012-11-02 16:04:06 +00:00
Gareth Rees
3dcc9800ad Support more kinds of hashtable via make-hashtable. 
Fix bug in eqv (character objects now test equal if they represent the same character).

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 Change: 180284
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 2012-11-02 16:02:05 +00:00
Gareth Rees
dabc0e0ecf Integrate string=?, make-eqv-hashtable, and make-hashtable. 
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 Change: 180283
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 2012-11-02 15:54:41 +00:00
Gareth Rees
1b5fffe0dc Integrate string=?, make-eqv-hashtable, make-hashtable from scheme-malloc.c. 
Copied from Perforce
 Change: 180282
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 2012-11-02 15:43:07 +00:00
Gareth Rees
700291e07c New constructor make_bool avoids boilerplate. 
Hash function takes a length so that it (1) it can support strings containing NULs; (2) it doesn't have to check for NULs so runs a bit faster; and (3) it performs OK on addresses (which often contain zero bytes).
Hash tables have hash and comparison functions.
Implement string=?, make-eqv-hashtable and make-hashtable.

Copied from Perforce
 Change: 180281
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 2012-11-02 15:39:19 +00:00
Gareth Rees
c0b04cd3ff Fix the dependent object. 
Copied from Perforce
 Change: 180279
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 2012-11-02 14:25:09 +00:00
Gareth Rees
6a14ac6631 New test case for leaf objects. 
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 Change: 180276
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 2012-11-02 13:40:20 +00:00
Gareth Rees
8c84469650 Merge change from scheme.c (implementation apply). 
Share generation chain between pools.
No need for leaf_fmt at the moment.

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 Change: 180275
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 2012-11-02 13:40:08 +00:00
Gareth Rees
aaf7920007 Integrate apply from scheme-malloc.c. 
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 Change: 180270
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 2012-11-02 12:45:22 +00:00
Gareth Rees
a33c71a346 Implement apply. 
Copied from Perforce
 Change: 180269
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 2012-11-02 12:44:20 +00:00
Gareth Rees
468a79a99c Integrate references to documentation. 
Copied from Perforce
 Change: 180258
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 2012-11-02 11:58:38 +00:00
Gareth Rees
045c45a18c Add references to documentation. 
Copied from Perforce
 Change: 180256
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 2012-11-02 11:57:16 +00:00
Gareth Rees
2fb8140c68 Merge changes from scheme.c into scheme-advanced.c: 
1. Deletion of keys in hash tables.
2. Forwarding of character objects on 64-bit platforms.
3. Fix to hash table probe sequence.
4. Comments in Scheme source.
5. Fix to define (implicit begin).
6. Extend equal? to vectors and strings.
7. Add references to R4RS documentation.
8. Implement list-tail, list-ref, open-output-file, close-input-port, close-output-port, write, write-string, newline, hashtable?, hashtable-size, hashtable-delete!, hashtable-contains?, hashtable-keys.
9. Fix bug (buckets might be scanned before dependent object is set).
10. Non-interactive mode.

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 Change: 180255
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 2012-11-02 11:50:33 +00:00
Gareth Rees
0d17ceb416 Integrate changes from scheme-malloc to scheme. 
Add test target to Makefile.

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 Change: 180253
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 2012-11-02 11:19:45 +00:00
Gareth Rees
e42bab4f76 Make sure that probe sequence visits all buckets in the hash table by (a) ensuring that hash tables are a power of 2 in size; (b) ensuring that the probe step is odd. 
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 Change: 180252
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 2012-11-02 11:16:10 +00:00
Gareth Rees
bf1480c169 Chatter only if interactive. 
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 Change: 180251
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 2012-11-02 10:58:29 +00:00
Gareth Rees
879231be2d Add non-interactive execution. 
Implement list-tail and list-ref.

Copied from Perforce
 Change: 180249
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 2012-11-02 10:24:39 +00:00
Gareth Rees
b68fc45c4a Implement string-hash and correct error messages. 
Copied from Perforce
 Change: 180244
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 2012-11-01 22:07:33 +00:00
Gareth Rees
d3d7372e88 Merge changes from scheme-malloc.c to scheme.c. 
Copied from Perforce
 Change: 180242
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 2012-11-01 19:16:34 +00:00
Gareth Rees
57859a8d1a Segregate leaf objects into an amcz pool. 
Copied from Perforce
 Change: 180240
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 2012-11-01 18:14:41 +00:00
Gareth Rees
5b50c401c3 Fix bug in "define": no implied "begin" around function body. 
Implement open-output-file, close-input-port, close-output-port, write, write-string, and newline.
Add Scheme test cases.

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 Change: 180238
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 2012-11-01 18:05:34 +00:00
Gareth Rees
f9acc18caa Merge new hashtable stuff from scheme-malloc.c. 
Fix bug in scheme.c (characters were only 8 bytes on 64-bit platforms, so can't be forwarded).

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 Change: 180231
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 2012-11-01 15:37:43 +00:00
Gareth Rees
5e275103ed Add more hashtable features, including deletion (which we'll need for weak hashtables). 
Copied from Perforce
 Change: 180225
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 2012-11-01 14:37:45 +00:00
Gareth Rees
a8d8e95934 Try segregating leaf objects. 
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 Change: 180209
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 2012-10-31 22:52:39 +00:00
Gareth Rees
13af2f01a4 Weak hash tables in scheme-advanced.c. 
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 Change: 180208
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 2012-10-31 22:13:46 +00:00
Gareth Rees
760d198ea9 Branch scheme.c to scheme-advanced.c. 
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 Change: 180204
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 2012-10-31 19:10:58 +00:00
Gareth Rees
5e62407261 Move old scheme to example/scheme/scheme-malloc.c 
Provide instructions to build it.

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 Change: 180185
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 2012-10-31 12:02:11 +00:00
Gareth Rees
d894dd466a Improve the scheme example hashtable implementation: 
1. Follow R6RS for naming of functions and arguments.
2. Grow the hashtable when half full.

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 Change: 180184
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 2012-10-31 11:54:25 +00:00
Gareth Rees
6f01e17f9f Put explanations of the location dependency code into scheme.c. also, add lots of cross-references to the manual. 
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 Change: 180121
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 2012-10-28 19:13:56 +00:00
Gareth Rees
d4e3e73d9f Simplify scheme hash table implementation by folding the hash into buckets_find. 
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 Change: 180086
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 2012-10-25 21:18:40 +01:00
Gareth Rees
300a183b5b Write location chapter. 
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 Change: 180080
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 2012-10-25 17:58:49 +01:00
Gareth Rees
2a5e529ba4 Simple address-based (eq?) hash table implementation without location dependency. 
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 Change: 180079
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 2012-10-25 16:03:35 +01:00
Gareth Rees
591065565e (gc) takes no arguments, so check this. 
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 Change: 180075
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 2012-10-25 14:03:07 +01:00
Gareth Rees
c7b7b017a3 Be clear about the need to reserve lots of address space in a virtual memory arena. 
Copied from Perforce
 Change: 180071
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 2012-10-25 11:34:45 +01:00
Gareth Rees
031f75382d Complete actions from meeting with rb. 
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 Change: 180056
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 2012-10-24 16:25:19 +01:00
Gareth Rees
962a4c8934 R4rs is the "one true scheme" according to rb, so refer to that. 
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 Change: 180033
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 2012-10-23 17:35:51 +01:00
Gareth Rees
fe9212db5f Give correct reference for open-input-file (it's in the standard library, not the language). 
Remove string-set! (was removed in R6RS).

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 Change: 180019
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 2012-10-22 23:09:37 +01:00
Gareth Rees
05a8eced97 Enable finalization messages. 
Rename entry_open_in to entry_open_input for consistency.
Add comments with specification from R6RS.

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 Change: 180008
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 2012-10-22 15:54:20 +01:00
Gareth Rees
c3a91c815c Fix bug in append when the first argument is nil. 
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 Change: 180004
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 2012-10-22 12:54:35 +01:00
Gareth Rees
8dcd6ddb97 Implement procedure?, char?, char->integer, integer->char, string->list, and list->string. 
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 Change: 179991
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 2012-10-21 20:38:27 +01:00
Gareth Rees
1be5d945f2 Implement some string procedures: string?, make-string, string, string-length, string-ref, string-set!, substring, string-append, string-copy. 
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 Change: 179990
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 2012-10-21 19:59:47 +01:00
Gareth Rees
f859353280 Propagate changes from scheme-after.c to scheme.c; the former is no longer needed. 
Convert license.txt and built.txt to reStructuredText and include them directly in the manual.

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 Change: 179957
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 2012-10-19 11:26:25 +01:00
Gareth Rees
ab2c28cae4 Make sure that errors can be reported during initialization. 
Fix cross-reference (now "start", not "main").

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 Change: 179902
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 2012-10-16 16:22:45 +01:00
Gareth Rees
572b6624ae Fix url. 
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 Change: 179896
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 2012-10-16 12:17:19 +01:00
Richard Brooksby
861863389a Improving the start-up message on the scheme example as suggested by gdr. 
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 Change: 179576
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 2012-09-20 08:56:00 +01:00
Richard Brooksby
e819bf596f Implemented tail recursion. 
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 Change: 179572
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 2012-09-19 23:02:51 +01:00
Richard Brooksby
1b3c817ac8 Generating the scheme example makefile using autoconf, so that it gets the right flags for the platform. 
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 Change: 179569
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 2012-09-19 21:45:32 +01:00
Nick Barnes
cd4ece9201 Added > and < operators so i could write (define (tak a b c) ...) and other things. 
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 Change: 179469
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 2012-09-13 13:45:21 +01:00
Richard Brooksby
72def5850d Adding finalization to ports to show how it's done. 
Printing statistics at the end of a collection.
Adding a Scheme function to force a full GC.
Adding the global syntax symbols as roots.  Oops!

Copied from Perforce
 Change: 179447
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 2012-09-12 19:07:36 +01:00
Richard Brooksby
d39f090ba8 Integrating deletions from branch/2012-09-10/scheme-example. oops. 
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 Change: 179430
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 2012-09-11 16:44:39 +01:00
Richard Brooksby
5d4afc7f51 Integrating branch/2012-09-10/scheme-example 
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 Change: 179429
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 2012-09-11 16:41:33 +01:00
Richard Brooksby
3407e7354e Fixing another %%mps marker. 
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 Change: 179422
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 2012-09-11 15:08:00 +01:00
Richard Brooksby
6a0b934525 Making %%mps markers consistent and adding one to the symbol table. 
Copied from Perforce
 Change: 179421
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 2012-09-11 15:07:17 +01:00
Richard Brooksby
68a3760ce9 Adding a note about integration time. 
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 Change: 179420
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 2012-09-11 15:04:59 +01:00
Richard Brooksby
396d111709 Expunging the "hello world" example and replacing it with the scheme interpreter example where appropriate. 
Copied from Perforce
 Change: 179419
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 2012-09-11 14:52:27 +01:00
Richard Brooksby
4e39299392 Further improvements to documentation in the scheme example. 
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 Change: 179418
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 2012-09-11 14:51:45 +01:00
Richard Brooksby
cca2921f2d Converting old "@@@@" markers into todos as appropriate. 
Removing FIXMEs that are already fixed.

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 Change: 179416
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 2012-09-11 10:59:12 +01:00
Richard Brooksby
c856f16c96 Fixed line endings. they were classic mac (cr)! 
Added MPS TO DO list.
Added printing of GC messages.
Further documentation improvements.

Copied from Perforce
 Change: 179415
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 2012-09-11 10:54:29 +01:00
Richard Brooksby
fc79c1f1a4 Adding explanations of how the mps is used in the scheme example. 
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 Change: 179412
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 2012-09-11 10:23:52 +01:00
Richard Brooksby
c1288ace1d Integrated scheme interpreter with the mps. 
Copied from Perforce
 Change: 179409
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 2012-09-11 01:43:50 +01:00
Richard Brooksby
b1496378dc Updating title, copyright, and licence. 
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 Change: 179408
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 2012-09-10 23:25:58 +01:00
Richard Brooksby
470da18aaf Adding a simple scheme interpreter originally developed as a potential mps test harness. 
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 Change: 179407
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 2012-09-10 23:23:28 +01:00
Richard Kistruck
dd51a69296 Mps master: readme et al changes for version 1.108.2 
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 Change: 164906
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 2008-05-01 17:45:07 +01:00
Richard Kistruck
110b66a227 Mps master: version-name and release notes for release 1.108.1 
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 Change: 163676
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 2007-12-21 18:16:34 +00:00
Richard Kistruck
3e074da643 Mps master: version.c, w3build.bat, hello-world: for 1.108.0 
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 Change: 162801
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 2007-07-06 16:09:32 +01:00
Richard Kistruck
ac7eb998b9 mps integ -r -b mps/version/1.107/example/hello-world to master. except... i had to do this 'integ -r' by hand, because i erroneously already did an empty-integ in change 161219, so p4 rightly thinks it's done it already. 
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 Change: 161249
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 2006-12-15 15:57:56 +00:00
Richard Kistruck
a907035b66 Mps: example code: hello-world: line-wrap code, tweak success message. 
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 Change: 158083
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 2006-04-10 16:56:29 +01:00
Richard Kistruck
f1589b9d3b Mps: example code: rename 01hello as hello-world 
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 Change: 158082
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Richard Kistruck
261bfb8351 Mps: example code: write index page. 
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 Change: 158081
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Richard Kistruck
8efd5c0f21 Mps: example code: hello-world: word-wrap text to 72 
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 Change: 158080
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Richard Kistruck
8216b9e47b Mps: example code: tidy up hello-world for release 1.106.2 
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 Change: 158079
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Richard Kistruck
e3076562fa Mps: example code: 01hello.c 
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Richard Kistruck
85d47c7d3c Mps example code: create index page 
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