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In function 'luaK_exp2val', used to generate code for indices: Macro
'hasjumps' does not consider the case when the whole expression is a
"jump" (a test). In all other of its uses, the surrounding code ensures
that the expression cannot be VJMP.
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Conversion float->string ensures that, for any float f,
tonumber(tostring(f)) == f, but still avoiding noise like 1.1
converting to "1.1000000000000001".
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The callstatus flag CIST_CLSRET is used in all tests for the
presence of variables to be closed in C functions.
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'incomplete' was popping error message that should be used in case
there is no more lines to complete the input, that is, 'pushline'
returns NULL, due to end of file.
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(See comments in luaconf.h.) This change allows easier compilation,
as Lua compiles and works even if the package 'readline' is absent
from the system. Moreover, non-interactive uses don't load the library,
making the stand-alone slightly faster for small loads.
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Instead of a fixed limit of 50 registers (which, in a bad worst case,
can limit the nesting of constructors to 5 levels), the compiler
computes an individual limit for each constructor based on how many
registers are available when it runs. This limit then controls the
frequency of SETLIST instructions.
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Plus, added a test to check that limit.
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Lua seg. faults when asked to create the 'activelines' table for a
vararg function with no debug information.
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'utf8.offset' returns two values: the initial and the final position
of the given character.
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Corrections in comments and manual. Added note in the manual about
local variables in the REPL.
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Bug introduced in 05932567.
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- 'unsigned int' -> 'unsigned'
- Some explicit casts to avoid warnings
- Test avoids printing the value of 'fail' (which may not be nil)
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Instead of preloading all non-loaded libraries, there is another
mask to select which libraries to preload.
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Avoid silent conversions from int to unsigned int when calling
'luaH_resize'; avoid silent conversions from lua_Integer to int in
'table.create'; MAXASIZE corrected for the new implementation of arrays;
'luaH_resize' checks explicitly whether new size respects MAXASIZE.
(Even constructors were bypassing that check.)
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Yielding in a hook must decrease the program counter, because it already
counted an instruction that, in the end, was not executed. However,
that decrement should be done only when about to restart the thread.
Otherwise, inspecting the thread with the debug library shows it one
instruction behind of where it really is.
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Creates a table preallocating memory. (It just exports to Lua the API
function 'lua_createtable'.)
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The reference system has a defined way to add initial values to the
table where it operates.
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- back with step size in collectgarbage("step")
- adjustments in defaults for some GC parameters
- adjustments in 'luaO_codeparam'
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The meaning of different GC parameters changed, so there is point in
supporting old values for them. The new code simply ignores the
parameters when changing the GC mode, so the incompatibility is small.
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The generational mode also uses the parameters for the incremental
mode in its major collections, so it should be easy to change those
parameters without having to change the GC mode.
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A call to 'collectgarbage("step")' always performs one GC basic step.
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Options 'setpause' and 'setstepmul' were deprecated in Lua 5.4.
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The buffer system from the auxiliary library reuses its buffer
as external memory when closing long strings.
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Strings can use external buffers to store their contents.
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'getobjname' now broken in two, a basic version that handles locals,
upvalues, and constants, and a full version, which uses the basic
version to handle table accesses (globals and fields).
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Test is too non portable. (For instance, it does not work for
different number types.)
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A fixed buffer keeps a binary chunk "forever", so that the program
does not need to copy some of its parts when loading it.
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The few UTF-8 test files are commented as such, and there is only one
non UTF-8 test file (to test non UTF-8 sources).
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Like 'require', the command-line option '-l' discards an optional
version suffix (everything after an hyphen) from a file name when
creating the module name.
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