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openmw/components/compiler/stringparser.cpp

106 lines
3.2 KiB
C++

#include "stringparser.hpp"
#include <algorithm>
#include <iterator>
#include <components/misc/strings/lower.hpp>
#include "context.hpp"
#include "extensions.hpp"
#include "generator.hpp"
#include "scanner.hpp"
namespace Compiler
{
StringParser::StringParser(ErrorHandler& errorHandler, const Context& context, Literals& literals)
: Parser(errorHandler, context)
, mLiterals(literals)
, mSmashCase(false)
, mDiscard(false)
{
}
bool StringParser::parseName(const std::string& name, const TokenLoc& loc, Scanner& scanner)
{
start();
mTokenLoc = loc;
if (!mDiscard)
{
if (mSmashCase)
Generator::pushString(mCode, mLiterals, Misc::StringUtils::lowerCase(name));
else
Generator::pushString(mCode, mLiterals, name);
}
return false;
}
bool StringParser::parseKeyword(int keyword, const TokenLoc& loc, Scanner& scanner)
{
if (const Extensions* extensions = getContext().getExtensions())
{
std::string argumentType; // ignored
bool hasExplicit = false; // ignored
if (extensions->isInstruction(keyword, argumentType, hasExplicit))
{
// pretend this is not a keyword
std::string name = loc.mLiteral;
if (name.size() >= 2 && name[0] == '"' && name[name.size() - 1] == '"')
name = name.substr(1, name.size() - 2);
return parseName(name, loc, scanner);
}
}
if (keyword == Scanner::K_end || keyword == Scanner::K_begin || keyword == Scanner::K_short
|| keyword == Scanner::K_long || keyword == Scanner::K_float || keyword == Scanner::K_if
|| keyword == Scanner::K_endif || keyword == Scanner::K_else || keyword == Scanner::K_elseif
|| keyword == Scanner::K_while || keyword == Scanner::K_endwhile || keyword == Scanner::K_return
|| keyword == Scanner::K_messagebox || keyword == Scanner::K_set || keyword == Scanner::K_to)
{
// pretend this is not a keyword
std::string name = loc.mLiteral;
if (name.size() >= 2 && name[0] == '"' && name[name.size() - 1] == '"')
name = name.substr(1, name.size() - 2);
return parseName(name, loc, scanner);
}
return Parser::parseKeyword(keyword, loc, scanner);
}
bool StringParser::parseInt(int value, const TokenLoc& loc, Scanner& scanner)
{
reportWarning("Treating integer argument as a string", loc);
return parseName(loc.mLiteral, loc, scanner);
}
void StringParser::append(std::vector<Interpreter::Type_Code>& code)
{
std::copy(mCode.begin(), mCode.end(), std::back_inserter(code));
}
void StringParser::reset()
{
mCode.clear();
mSmashCase = false;
mTokenLoc = TokenLoc();
mDiscard = false;
Parser::reset();
}
void StringParser::smashCase()
{
mSmashCase = true;
}
const TokenLoc& StringParser::getTokenLoc() const
{
return mTokenLoc;
}
void StringParser::discard()
{
mDiscard = true;
}
}