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HLSL: Support {...} initializer lists that are too short.

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This commit is contained in:
John Kessenich 2016-11-27 17:39:07 -07:00
parent 1c98904014
commit 98ad485321
9 changed files with 397 additions and 9 deletions
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12
hlsl/hlslGrammar.cpp
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@ -1896,7 +1896,8 @@ bool HlslGrammar::acceptExpression(TIntermTyped*& node)
}
// initializer
// : LEFT_BRACE initializer_list RIGHT_BRACE
// : LEFT_BRACE RIGHT_BRACE
// | LEFT_BRACE initializer_list RIGHT_BRACE
//
// initializer_list
// : assignment_expression COMMA assignment_expression COMMA ...
@ -1907,8 +1908,15 @@ bool HlslGrammar::acceptInitializer(TIntermTyped*& node)
if (! acceptTokenClass(EHTokLeftBrace))
return false;
// initializer_list
// RIGHT_BRACE
TSourceLoc loc = token.loc;
if (acceptTokenClass(EHTokRightBrace)) {
// a zero-length initializer list
node = intermediate.makeAggregate(loc);
return true;
}
// initializer_list
node = nullptr;
do {
// assignment_expression