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author | Kartik Agaram <vc@akkartik.com> | 2020-01-01 17:04:37 -0800 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-01-01 17:04:37 -0800 |
commit | 2a4088119cf41175457414dfa59bd4064b8f0562 (patch) | |
tree | 64fe184e399f9870ebd481a90eec34d51e5dff68 /archive/3.transect/compiler2 | |
parent | 23fd294d85959c6b476bcdc35ed6ad508cc99b8f (diff) | |
download | mu-2a4088119cf41175457414dfa59bd4064b8f0562.tar.gz |
5852
Diffstat (limited to 'archive/3.transect/compiler2')
-rw-r--r-- | archive/3.transect/compiler2 | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/archive/3.transect/compiler2 b/archive/3.transect/compiler2 deleted file mode 100644 index 5c06cc4f..00000000 --- a/archive/3.transect/compiler2 +++ /dev/null @@ -1,27 +0,0 @@ -to dereference a heap allocation - copy handle to stack - perform lookup to stack - -lookup x in *(ESP+4) of type (handle T) - - reg <- copy *(ESP+5) : (address T stack) - payload alloc id <- copy *reg - address alloc id <- copy *(ESP+4) - compare payload alloc id, address alloc id - jump if not equal to print stack trace and panic - address <- add reg, 1 - -types: - - address T reg - address T stack - address T heap - address T global - -copy down this spectrum is not permitted, but up is. - -addresses aren't allowed in types, globals and on the heap. Only handles. -addresses are only for temporary manipulations. - - -*(address T) <- copy T |