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#include <cstdlib>

#include <locale>

#include "PpContext.h"

namespace glslang {

TPpContext::TPpContext(TParseContextBase& pc, const std::string& rootFileName, TShader::Includer& inclr) :

    preamble(nullptr), strings(nullptr), previous_token('\n'), parseContext(pc), includer(inclr), inComment(false),

    rootFileName(rootFileName),

    currentSourceFile(rootFileName),

    disableEscapeSequences(false),

    inElseSkip(false)

{

    ifdepth = 0;

    for (elsetracker = 0; elsetracker <= maxIfNesting; elsetracker++)

        elseSeen[elsetracker] = false;

    elsetracker = 0;

    strtodStream.imbue(std::locale::classic());

}

TPpContext::~TPpContext()

{

    delete [] preamble;

    // free up the inputStack

    while (! inputStack.empty())

        popInput();

}

void TPpContext::setInput(TInputScanner& input, bool versionWillBeError)

{

    assert(inputStack.size() == 0);

    pushInput(new tStringInput(this, input));

    errorOnVersion = versionWillBeError;

    versionSeen = false;

}

} // end namespace glslang