Method acceptArraySpecifier

glslang/HLSL/hlslGrammar.cpp:4277–4309

array_specifier : LEFT_BRACKET integer_expression RGHT_BRACKET ... // optional : LEFT_BRACKET RGHT_BRACKET // optional

//      : LEFT_BRACKET RGHT_BRACKET // optional
//
void HlslGrammar::acceptArraySpecifier(TArraySizes*& arraySizes)
{
    arraySizes = nullptr;

    // Early-out if there aren't any array dimensions
    if (!peekTokenClass(EHTokLeftBracket))
        return;

    // If we get here, we have at least one array dimension.  This will track the sizes we find.
    arraySizes = new TArraySizes;

    // Collect each array dimension.
    while (acceptTokenClass(EHTokLeftBracket)) {
        TSourceLoc loc = token.loc;
        TIntermTyped* sizeExpr = nullptr;

        // Array sizing expression is optional.  If omitted, array will be later sized by initializer list.
        const bool hasArraySize = acceptAssignmentExpression(sizeExpr);

        if (! acceptTokenClass(EHTokRightBracket)) {
            expected("]");
            return;
        }

        if (hasArraySize) {
            TArraySize arraySize;
            parseContext.arraySizeCheck(loc, sizeExpr, arraySize);
            arraySizes->addInnerSize(arraySize);
        } else {
            arraySizes->addInnerSize(0);  // sized by initializers.
        }
    }
}

// post_decls
//      : COLON semantic // optional