update documentation to reflect VLA changes

This commit is contained in:
Joe Soroka 2011-04-09 23:41:16 -07:00
parent 1b8c094f39
commit 1b0f42f8ad

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@ -947,7 +947,7 @@ longs.
Arrays are considered as pointers @code{VT_PTR} with the flag
@code{VT_ARRAY} set. Variable length arrays are considered as special
arrays and therefore also have flag @code{VT_VLA} set.
arrays and have flag @code{VT_VLA} set instead of @code{VT_ARRAY}.
The @code{VT_BITFIELD} flag can be set for chars, shorts, ints and long
longs. If it is set, then the bitfield position is stored from bits
@ -980,8 +980,8 @@ it). @code{Sym.t} gives the type of the symbol. @code{Sym.r} is usually
the register in which the corresponding variable is stored. @code{Sym.c} is
usually a constant associated to the symbol like its address for normal
symbols, and the number of entries for symbols representing arrays.
Variable length arrays use @code{Sym.r} instead, which is a pointer to
a @code{SValue} holding its runtime size.
Variable length array types use @code{Sym.c} as a location on the stack
which holds the runtime sizeof for the type.
Four main symbol stacks are defined: