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Fixed a couple places that missed the error check for #else/#elif after #else.

Browse source 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24378 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-12-05 21:51:40 +00:00
parent 521ca375e0
commit 8e789e8d62
5 changed files with 60 additions and 17 deletions
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27
glslang/MachineIndependent/preprocessor/Pp.cpp
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@ -307,11 +307,14 @@ int TPpContext::CPPelse(int matchelse, TPpToken* ppToken)
--depth;
--ifdepth;
} else if (matchelse && depth == 0) {
if (atom == elseAtom ) {
if (atom == elseAtom) {
elseSeen[elsetracker] = true;
token = extraTokenCheck(atom, ppToken, currentInput->scan(this, currentInput, ppToken));
// found the #else we are looking for
break;
} else if (atom == elifAtom) {
if (elseSeen[elsetracker])
parseContext.error(ppToken->loc, "#elif after #else", "#elif", "");
/* we decrement ifdepth here, because CPPif will increment
* it and we really want to leave it alone */
if (ifdepth) {
@ -330,7 +333,7 @@ int TPpContext::CPPelse(int matchelse, TPpToken* ppToken)
token = extraTokenCheck(atom, ppToken, currentInput->scan(this, currentInput, ppToken));
} else if (atom == elifAtom) {
if (elseSeen[elsetracker])
parseContext.error(ppToken->loc, "#elif after #else", "#else", "");
parseContext.error(ppToken->loc, "#elif after #else", "#elif", "");
}
}
@ -778,20 +781,18 @@ int TPpContext::readCPPline(TPpToken* ppToken)
if (ppToken->atom == defineAtom) {
token = CPPdefine(ppToken);
} else if (ppToken->atom == elseAtom) {
if (! elsetracker[elseSeen]) {
elsetracker[elseSeen] = true;
if (! ifdepth)
parseContext.error(ppToken->loc, "mismatched statements", "#else", "");
token = extraTokenCheck(elseAtom, ppToken, currentInput->scan(this, currentInput, ppToken));
token = CPPelse(0, ppToken);
} else {
parseContext.error(ppToken->loc, "#else after a #else", "#else", "");
ifdepth = 0;
return 0;
}
if (elsetracker[elseSeen])
parseContext.error(ppToken->loc, "#else after #else", "#else", "");
elsetracker[elseSeen] = true;
if (! ifdepth)
parseContext.error(ppToken->loc, "mismatched statements", "#else", "");
token = extraTokenCheck(elseAtom, ppToken, currentInput->scan(this, currentInput, ppToken));
token = CPPelse(0, ppToken);
} else if (ppToken->atom == elifAtom) {
if (! ifdepth)
parseContext.error(ppToken->loc, "mismatched statements", "#elif", "");
if (elseSeen[elsetracker])
parseContext.error(ppToken->loc, "#elif after #else", "#elif", "");
// this token is really a dont care, but we still need to eat the tokens
token = currentInput->scan(this, currentInput, ppToken);
while (token != '\n')