Method ProcessScriptSection

sdk/add_on/scriptbuilder/scriptbuilder.cpp:241–613

}

int CScriptBuilder::ProcessScriptSection(const char *script, unsigned int length, const char *sectionname, int lineOffset)
{
	vector<string> includes;

	// Perform a superficial parsing of the script first to store the metadata
	if( length )
		modifiedScript.assign(script, length);
	else
		modifiedScript = script;

	// First perform the checks for #if directives to exclude code that shouldn't be compiled
	unsigned int pos = 0;
	int nested = 0;
	while( pos < modifiedScript.size() )
	{
		asUINT len = 0;
		asETokenClass t = engine->ParseToken(&modifiedScript[pos], modifiedScript.size() - pos, &len);
		if( t == asTC_UNKNOWN && modifiedScript[pos] == '#' && (pos + 1 < modifiedScript.size()) )
		{
			int start = pos++;

			// Is this an #if directive?
			t = engine->ParseToken(&modifiedScript[pos], modifiedScript.size() - pos, &len);

			string token;
			token.assign(&modifiedScript[pos], len);

			pos += len;

			if( token == "if" )
			{
				t = engine->ParseToken(&modifiedScript[pos], modifiedScript.size() - pos, &len);
				if( t == asTC_WHITESPACE )
				{
					pos += len;
					t = engine->ParseToken(&modifiedScript[pos], modifiedScript.size() - pos, &len);
				}

				if( t == asTC_IDENTIFIER )
				{
					string word;
					word.assign(&modifiedScript[pos], len);

					// Overwrite the #if directive with space characters to avoid compiler error
					pos += len;
					OverwriteCode(start, pos-start);

					// Has this identifier been defined by the application or not?
					if( definedWords.find(word) == definedWords.end() )
					{
						// Exclude all the code until and including the #endif
						pos = ExcludeCode(pos);
					}
					else
					{
						nested++;
					}
				}