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Added !macroundef

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6177 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2011-11-17 18:54:49 +00:00
parent 20e4aa0787
commit 3d9c850bb5
4 changed files with 45 additions and 0 deletions
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37
Source/script.cpp
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@ -1112,6 +1112,43 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
case TOK_P_MACROEND:
ERROR_MSG(_T("!macroend: no macro currently open.\n"));
return PS_ERROR;
case TOK_P_MACROUNDEF:
{
const TCHAR* mname=line.gettoken_str(1);
if (!mname[0]) PRINTHELP()
TCHAR *t=(TCHAR *)m_macros.get(), *mbeg, *mend=0, *mbufb=t;
while (t && *t)
{
const bool foundit = !_tcsicmp((mbeg=t),mname);
t+=_tcslen(t)+1;
// advance over parameters
while (*t) t+=_tcslen(t)+1;
t++;
// advance over data
while (*t) t+=_tcslen(t)+1;
if (foundit)
{
mend=t;
break;
}
if (t-mbufb >= m_macros.getlen()-1)
break;
t++;
}
if (!mend)
{
ERROR_MSG(_T("!macroundef: \"%s\" does not exist!\n"),mname);
return PS_ERROR;
}
const unsigned int mcb=mend-mbeg, mbufcb=m_macros.getlen();
memmove(mbeg,mend+1,mbufcb-(mcb+(mbeg-mbufb)));
m_macros.resize(mbufcb-(mcb+1));
SCRIPT_MSG(_T("!macroundef: %s\n"),mname);
}
return PS_OK;
case TOK_P_INSERTMACRO:
{
if (!line.gettoken_str(1)[0]) PRINTHELP()