cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #1294 from zigguratt/lll-until-support

Browse Source 
LLL: Add support for 'until', the inverse of 'while'.
This commit is contained in:
chriseth 2016-10-26 16:18:25 +02:00 committed by GitHub
commit 410275354e
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
liblll/CodeFragment.cpp
View File

@ -472,14 +472,15 @@ void CodeFragment::constructOperation(sp::utree const& _t, CompilerState& _s)
m_asm << end.tag(); m_asm << end.tag();
m_asm.donePaths(); m_asm.donePaths();
} }
else if (us == "WHILE") else if (us == "WHILE" || us == "UNTIL")
{ {
requireSize(2); requireSize(2);
requireDeposit(0, 1); requireDeposit(0, 1);
auto begin = m_asm.append(); auto begin = m_asm.append();
m_asm.append(code[0].m_asm); m_asm.append(code[0].m_asm);
m_asm.append(Instruction::ISZERO); if (us == "WHILE")
m_asm.append(Instruction::ISZERO);
auto end = m_asm.appendJumpI(); auto end = m_asm.appendJumpI();
m_asm.append(code[1].m_asm, 0); m_asm.append(code[1].m_asm, 0);
m_asm.appendJump(begin); m_asm.appendJump(begin);