delta/lua-github.git/ltable.c, branch v5.4.0 github.com: lua/lua.git Clearer distinction between types and tags 2020-01-31T14:09:53+00:00 Roberto Ierusalimschy roberto@inf.puc-rio.br 2020-01-31T14:09:53+00:00 46c3587a6feb28e1ee4a32aabe463b0ecb9e8f5e LUA_T* represents only types; tags (types + Variants) are represented by LUA_V* constants. 
LUA_T* represents only types; tags (types + Variants) are represented
by LUA_V* constants.
Changed internal representation of booleans 2020-01-06T14:38:31+00:00 Roberto Ierusalimschy roberto@inf.puc-rio.br 2020-01-06T14:38:31+00:00 5ff408d2189c6c24fdf8908db4a31432bbdd6f15 Instead of an explicit value (field 'b'), true and false use different tag variants. This avoids reading an extra field and results in more direct code. (Most code that uses booleans needs to distinguish between true and false anyway.) 
Instead of an explicit value (field 'b'), true and false use different
tag variants. This avoids reading an extra field and results in more
direct code. (Most code that uses booleans needs to distinguish between
true and false anyway.)
Using an enumeration for float->integer coercion modes 2019-12-05T17:14:29+00:00 Roberto Ierusalimschy roberto@inf.puc-rio.br 2019-12-05T17:14:29+00:00 d30569c06407529cc6e99f4a35ae5f9bfe6fa940 






Details (mostly comments)
2019-10-22T17:08:22+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2019-10-22T17:08:22+00:00

e592f94a643de0bf8d62f6c6128fe752c673f5ac












Janitorial work
2019-10-01T20:24:37+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2019-10-01T20:24:37+00:00

b2a580bdb1982e45bb37f95b78c2dafec6efa7a6

- Several details in 'lcode.c'
- A few more tests for code generation
- Bug in assert in 'lcode.c' ("=" x "==")
- Comments in 'lopcodes.h' and 'ltable.c'





- Several details in 'lcode.c'
- A few more tests for code generation
- Bug in assert in 'lcode.c' ("=" x "==")
- Comments in 'lopcodes.h' and 'ltable.c'







A few changes in tests about number of bits in integers
2019-05-13T19:17:21+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2019-05-13T19:17:21+00:00

279c3a6961c60252f0368fdea889caf977f85fe0

- The preprocessor must work with at least 'long', and therefore must
do shifts of up to 31 bits correctly.
- Whenever possible, use unsigned types in shifts.





- The preprocessor must work with at least 'long', and therefore must
do shifts of up to 31 bits correctly.
- Whenever possible, use unsigned types in shifts.







Small optimizations in range checks
2019-03-27T17:56:10+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2019-03-27T17:56:10+00:00

d12262068d689eacc452a459a021df0ad8f6d46c

Checks of the form '1 <= x && x <= M' were rewritten in the form
'(unsigned)x - 1 < (unsigned)M', which is usually more efficient.
(Other similar checks have similar translations.) Although
some compilers do these optimizations, that does not happen
for all compilers or all cases.





Checks of the form '1 <= x && x <= M' were rewritten in the form
'(unsigned)x - 1 < (unsigned)M', which is usually more efficient.
(Other similar checks have similar translations.) Although
some compilers do these optimizations, that does not happen
for all compilers or all cases.







Removed extra information from RCS keyword strings
2018-08-23T17:26:12+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2018-08-23T17:26:12+00:00

f99509581ee73c1c2dbddb3398e87c098771d31f

Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.





Version numbers and dates (mostly wrong) from RCS keyword strings
removed from all source files; only the file name are kept.







warning (comparison between signed and unsigned integers)
2018-06-15T14:18:40+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2018-06-15T14:18:40+00:00

2c107e13a8234ea16f0331fe0ff53b784af2bdc1












field 'sizearray' in struct 'Table' changed to 'alimit', which can
2018-06-15T14:14:20+00:00

Roberto Ierusalimschy
roberto@inf.puc-rio.br

2018-06-15T14:14:20+00:00

6e600695f8398843a156ce02023f731c6d687ae8

be used as a hint for '#t'





be used as a hint for '#t'