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implemented 'guard' annotation

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This commit is contained in:
Araq 2014-09-21 18:39:00 +02:00
commit 7916b1f9aa
21 changed files with 267 additions and 123 deletions
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4
compiler/ccgstmts.nim
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@ -443,7 +443,7 @@ proc genBlock(p: BProc, t: PNode, d: var TLoc) =
assert(t.sons[0].kind == nkSym)
var sym = t.sons[0].sym
sym.loc.k = locOther
sym.loc.a = p.breakIdx
sym.position = p.breakIdx+1
expr(p, t.sons[1], d)
endBlock(p)
@ -482,7 +482,7 @@ proc genBreakStmt(p: BProc, t: PNode) =
assert(t.sons[0].kind == nkSym)
var sym = t.sons[0].sym
assert(sym.loc.k == locOther)
idx = sym.loc.a
idx = sym.position-1
else:
# an unnamed 'break' can only break a loop after 'transf' pass:
while idx >= 0 and not p.blocks[idx].isLoop: dec idx