3bd48ab213
For the Lemon-generated parser, add a new action type SHIFTREDUCE and use it
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to further compress the parser tables and improve parser performance.
FossilOrigin-Name: 531c3974b3d586c1989cde905b2fb4681239a570
2015-09-07 18:23:37 +00:00
7e698e9d71
In the "parse.out" output file from Lemon, show addition the complete text
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of rules on reduce actions.
FossilOrigin-Name: b6ffb7e471e51ff69668154ad2c8790e466c9d37
2015-09-07 14:22:24 +00:00
c75e0166f0
Improved "Parser Statistics" output (the -s option) for the Lemon parser
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generator.
FossilOrigin-Name: 809503e4efcdb498d176e8c0794a5ba0882adef2
2015-09-07 02:23:02 +00:00
2547336dad
Fix over-length source code lines in Lemon.
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FossilOrigin-Name: 1efece95ff8777b89558be59277732ba2a68d5ab
2015-09-04 18:03:45 +00:00
8e18922f12
Fix harmless compiler warnings seen with MSVC 2015.
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FossilOrigin-Name: d05becd873a03a366843a34e7f4c732dd8f88c86
2015-04-19 21:43:16 +00:00
1cc0d11a16
Fix harmless compiler warnings in lemon.c
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FossilOrigin-Name: bbe7dcda689a25860f2104804f00ba0a720c1372
2015-03-31 15:15:48 +00:00
2318d3387d
Work in progress on fixing harmless compiler warnings when using -W4 and MSVC.
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FossilOrigin-Name: 856dd245ce037f93d5ae2ddeb4fdf949c1e5c8e9
2015-01-12 18:02:52 +00:00
0325d3962a
Enhance the "lemon" executable so that it ignores -f, -W, -O, and -I
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command-line options. This permits most of the same options that are passed
to the compiler to also be harmlessly passed to lemon, and thus
simplifies makefiles.
FossilOrigin-Name: da408d128b4301d9fc7a3a00f219dce7ed48bc60
2015-01-01 19:11:22 +00:00
62a223e5dd
Modify the %nonassoc directive in lemon so that it generates a run-time
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error rather than a parsing conflict. This changes is due to a bug report
on the mailing list. SQLite does not use the %nonassoc directive in its
grammar so this change does not affect SQLite.
FossilOrigin-Name: 1925f3a0a2caa709569df015a8e0d26412f1a9ff
2014-06-09 13:11:40 +00:00
7a429658d7
Fix harmless compiler warning in LEMON.
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FossilOrigin-Name: f61a70589ac7e05008a362bd9d5b7bde5d07a758
2014-01-14 10:17:21 +00:00
03e1b1f5ff
In LEMON, limit the size of the grammar file to 100MB. This ensures that
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the program will never experience integer overflow. To be doubly sure,
use calloc() instead of malloc() when allocating arrays.
FossilOrigin-Name: 29ba458d849ad8864711cbe59fb10447a947e06a
2014-01-11 12:52:25 +00:00
ecaa9d399c
Add the "%token_class" directive to the LEMON parser generator. This opens up
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the possibility of simplifying the parser. Also remove all calls to
sprintf(), strcpy(), and strcat() from LEMON to avoid compiler warnings
on OpenBSD. (Aside: It is this change to avoid harmless compiler warnings
that was the cause of the reason spat of bugs.)
FossilOrigin-Name: 8eb48c04bd0a14031488b3160fde67307eb8b35d
2014-01-11 03:27:37 +00:00
61f92cd045
In LEMON, fix a bug in the text formatter introduced by the previous
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commit. Also add the new "%token_class" directive for defining symbolic
names that stand any one of a collection of tokens.
FossilOrigin-Name: da7890ca6b1d8e511377a469047120220e8c3b2d
2014-01-11 03:06:18 +00:00
898799fa00
Do not use sprintf(), strcpy() or strcat() in the implementation of the
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lemon parser generator tool, to avoid compiler warnings in OpenBSD.
FossilOrigin-Name: e43c522dde01e134f1adc94f534d2b3eda74afc2
2014-01-10 23:21:00 +00:00
2b51f2153b
Fix a harmless compiler warning in lemon.c.
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FossilOrigin-Name: 62959c0ce3a2c486ebd82e6511efad0412b944a0
2013-10-11 23:01:02 +00:00
01f75f2d68
In the lemon parser generator, change all hashes to unsigned to avoid
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potential problems with signed integer overflow.
FossilOrigin-Name: 8d399a03de63c15908d63ed69140ee15c6275b8d
2013-10-02 20:46:30 +00:00
f2f105d40e
Remove tab characters from source code files. Replace them with spaces.
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FossilOrigin-Name: 7edd10a960d5ff121e470b0549b0aa9fb7760022
2012-08-20 15:53:54 +00:00
8ba0d1cbca
In Lemon, when comparing the output to the *.h file to see if it has changed,
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make sure that the proposed new output and the preexisting output are the
same size before deciding that they are the same.
FossilOrigin-Name: 0c2fb18d25217ada7e75dcab8b342bbc632875d8
2012-06-16 15:26:31 +00:00
d25d692252
Fix a typecast problem in lemon that could cause problems on 64-bit machines.
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FossilOrigin-Name: 4a5641cc0aa4c49762f4fe73dab4a6612631c0d2
2012-04-18 09:59:56 +00:00
3cb2f6e60e
Cosmetic changes to lemon. No changes to core functionality nor impact on
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SQLite.
FossilOrigin-Name: 393fc78a18004c839d889de2a25ec046ad6f13fc
2012-01-09 14:19:05 +00:00
7dd1ac600e
Fix a bug in lemon in computation of which non-terminals can generate an
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empty string. This bug and the fix make absolutely no difference for the
grammar used by SQLite, but it can make a difference when lemon is used
in other grammars.
FossilOrigin-Name: ce32775b232da894343f62deefaf19b0ec484636
2012-01-07 15:17:18 +00:00
e0a59cf0e1
Fix a total unimportant file descriptor leak in lemon. This is to silence
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warning messages.
FossilOrigin-Name: e95cf2c576dda656c0f31eeec3d98e911b9003a1
2011-08-30 00:58:58 +00:00
57489b354d
Fix compiler warnings in lemon by removing some of the code added by
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Ryan Gordon in [1e8b842039cc0].
FossilOrigin-Name: 76b18b2be072b9ea242df4c9535059f7b43f564b
2011-06-20 18:27:23 +00:00
070d422d31
Add a missing check for out-of-memory in the lemon code generator.
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FossilOrigin-Name: efb20b9da6c7cb310a449cc818eaccd3d5bb4ab3
2011-06-02 15:48:51 +00:00
df60971765
Cherry-pick the lemon.c updates out of the lemon-update-2010 branch into
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the trunk.
FossilOrigin-Name: 1541ae3fbd7b3d471e002c0ad14e7846f7ad9415
2010-11-23 20:55:27 +00:00
dd7e9dba97
Improvements to the formatting of parse.out file from Lemon. Add the -r option
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to Lemon to disable the state sorting, making debugging easier.
FossilOrigin-Name: a2eaf8294f6d3fb39548987d632e934bb5d71cc9
2010-07-19 01:52:07 +00:00
f5c4e0f12a
Add the -p option to lemon to cause conflicts resolved by precedence rules
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to appear in the parse.out file.
FossilOrigin-Name: fb6a59b0a905ddea071948f9a527483a1b1b219f
2010-07-18 11:35:53 +00:00
7b429aa6a8
Fixed compiler warning on Visual Studio.
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FossilOrigin-Name: 83495128c820e963c70d11c3196f81d8cf01f867
2010-03-03 17:09:01 +00:00
d286fa6691
Whoops, that shouldn't have been in the merge. Removed buggy code.
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FossilOrigin-Name: 643728003218c9841425dffb6fe506763859fd37
2010-03-03 17:06:32 +00:00
d49c1aa7a9
Use Strsafe() instead of strdup(). Fixes Visual Studio complaining.
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FossilOrigin-Name: 89d8f98ea6d4d8bf871e08a8d8d1f0d2fd11aec1
2010-03-03 17:00:15 +00:00
05ac70ee0a
Merged trunk to lemon-update-2010 branch.
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FossilOrigin-Name: 88b466bae47d006c48eff42ab271f05ff56d5ed1
2010-03-03 16:54:58 +00:00
866bf1e6a2
Repore error if the grammar has multiple %type lines for the same nonterminal.
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FossilOrigin-Name: 721f33e7221c5fc907e9e293ac3242843f4fcfb7
2010-02-17 20:31:32 +00:00
d0d97b09c6
Fixed % formatting in some printf-style strings.
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FossilOrigin-Name: f96add898f096cfc1e435c625ce74093d790b3c7
2010-02-17 20:22:10 +00:00
10163b7d82
Corrected error message (cut-and-paste bug).
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FossilOrigin-Name: b3839f2aad00844c578d496c40481a39c018e4f6
2010-02-17 20:19:50 +00:00
a3191195af
Removed unused variables.
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FossilOrigin-Name: ca570a02f5c5215098050de4eb551b2dcd11b1fd
2010-02-17 05:40:34 +00:00
8e15802812
Removed %expect directive, on drh's advice.
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FossilOrigin-Name: b43ac3309e77dc8ea2952bf62da6eaad5aef6653
2010-02-16 16:09:03 +00:00
15a2cec1ed
Patched to compile. Accidentally removed va_list declaration.
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FossilOrigin-Name: 673d470c0c14106da05461d355a0c09e5f62851d
2010-02-16 16:07:28 +00:00
1c11f74a8a
Removed the 80-char line formatting for ErrorMsg(), on dhr's suggestion.
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FossilOrigin-Name: 132ea4e5d7f69fc307904f5086a72d8532e5aac6
2010-02-15 00:01:04 +00:00
9e44cf1a03
Make Lemon able to compile as C++ code.
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FossilOrigin-Name: 75a1060b29eb4122487152b068e7d1073eb0ccab
2010-02-14 17:14:22 +00:00
d191282111
Added option to not clip error output.
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This is useful for IDEs and other tools that benefit from full path
information, so they can jump directly to the error line in the source code.
FossilOrigin-Name: 90602030d18152a934644db119a291aa38fe3fd4
2010-02-14 05:42:46 +00:00
f5ad824071
Delete output files if this is a failed run.
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Otherwise, the fail will stop a Makefile from progressing, but if you
immediately run the build again, Make will think the output files are up to
date, since they are newer (albeit incomplete/incorrect).
FossilOrigin-Name: e38c08d9cdeb0476ac1a77cd3f29f547a8205835
2010-02-14 05:34:42 +00:00
42585cf73a
Added %expect directive, to consider a certain number of conflicts "correct."
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This has the side effect of changing the process exit code to never overflow.
FossilOrigin-Name: d8bab8cf0bc3fbd4c489c31a65d724dda2944d83
2010-02-14 05:19:56 +00:00
3e143bdfaf
Added -T option, to specify a template filename on the command line.
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The default is still "lempar.c", though.
FossilOrigin-Name: e6cbe1e5ee80db282a41951b805b7bd8b13adf28
2010-02-14 00:48:49 +00:00
8dc3e8f3e6
Another attempt at fixing the table generator in lemon. Again, this does
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not effect the SQLite grammar.
FossilOrigin-Name: e22c090f35b3a2bac64781d33aa1123ed765dbbf
2010-01-07 03:53:03 +00:00
cf3e518506
Fix an issue with lemon generating incorrect grammars. This issue does
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not effect SQLite.
FossilOrigin-Name: 077a6bee2dd4668a5b13c37aa7d4c052350ec782
2010-01-06 13:07:30 +00:00
f16371d650
Enhancements to lemon to generate more compact action tables and to avoid
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making array bounds tests that can never fail on action table calculations.
FossilOrigin-Name: 27d8e684db4651155c4bcb8bb44bf1c692b8c48b
2009-11-03 19:18:31 +00:00
e594bc3595
Adjust the lemon implementation so that it always computes the same PDA
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regardless of qsort() implementation on the host platform. In other words,
make all sorts in lemon stable.
FossilOrigin-Name: d66a0f31ebcc56e6f0f462b3db6aab54f7fab816
2009-11-03 13:02:25 +00:00
c53eed1703
Change lemon so that it does not generate yytestcase() macros on destructor
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cases since destructors are commonly unreachable in a reasonable grammar.
For the reduce-rule switch, gather all no-ops into the "default:" case. (CVS 6757)
FossilOrigin-Name: caebfe82cb1b1215a85ed48fe97360c5422c52e0
2009-06-12 17:46:19 +00:00
7501301e8d
The previous check-in ((6755)) put in more yytestcase() macros than are
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called for. This check-in addresses that problem. (CVS 6756)
FossilOrigin-Name: a5b182f93b9e57754c8b9507cf491a7bbf0fd127
2009-06-12 15:47:34 +00:00
8a415d3743
The lemon parser generator now inserts yytestcase() macros on reduce action
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and on each destructor, to verify that all have been executed. yytestcase()
is a no-op by default but can be set to something more useful inside
of %include. (CVS 6755)
FossilOrigin-Name: fe9c9177340a3dc372ffa1b851030d005e0c46db
2009-06-12 13:53:51 +00:00
drh