public AssemblyInstruction parseInstruction()

in core/src/main/java/org/adoptopenjdk/jitwatch/model/assembly/arm/AssemblyParserARM.java [112:211]
84 lines of code
23 McCabe index (conditional complexity)

	public AssemblyInstruction parseInstruction(String input, long address, String comment, String annotation,
			AssemblyLabels labels)
	{
		input = input.replaceAll("\\s+", S_SPACE).trim();

		int length = input.length();

		boolean inBrackets = false;

		String mnemonic = null;

		List<String> prefixes = new ArrayList<>();
		List<String> operands = new ArrayList<>();

		StringBuilder partBuilder = new StringBuilder();

		for (int pos = 0; pos < length; pos++)
		{
			char c = input.charAt(pos);

			if (c == C_OPEN_PARENTHESES || c == C_OPEN_SQUARE_BRACKET)
			{
				inBrackets = true;
			}
			else if (c == C_CLOSE_PARENTHESES || c == C_CLOSE_SQUARE_BRACKET)
			{
				inBrackets = false;
			}

			if (c == C_SPACE && mnemonic == null)
			{
				// end of part
				String part = partBuilder.toString();

				partBuilder.delete(0, partBuilder.length());

				if (DEBUG_LOGGING_ASSEMBLY)
				{
					logger.debug("part: '{}'", part);
				}

				if (mnemonic == null)
				{
					if ("data64".equals(part) || "data32".equals(part) || "data16".equals(part) || "data8".equals(part)
							|| "lock".equals(part))
					{
						prefixes.add(part);
					}
					else
					{
						mnemonic = part;
						if (DEBUG_LOGGING_ASSEMBLY)
						{
							logger.debug("mnemonic: '{}'", mnemonic);
						}
					}
				}
			}
			else if (c == C_COMMA && !inBrackets)
			{
				String operand = partBuilder.toString();
				partBuilder.delete(0, partBuilder.length());
				operands.add(operand);

				if (DEBUG_LOGGING_ASSEMBLY)
				{
					logger.debug("operand1: '{}'", operand);
				}
			}
			else
			{
				partBuilder.append(c);
			}
		}

		if (partBuilder.length() > 0)
		{
			String part = partBuilder.toString();
			partBuilder.delete(0, partBuilder.length() - 1);

			if (mnemonic == null)
			{
				mnemonic = part;
				if (DEBUG_LOGGING_ASSEMBLY)
				{
					logger.debug("mnemonic: '{}'", part);
				}
			}
			else
			{
				operands.add(part);
				if (DEBUG_LOGGING_ASSEMBLY)
				{
					logger.debug("operand2: '{}'", part);
				}
			}
		}

		return new AssemblyInstruction(annotation, address, prefixes, mnemonic, "", operands, comment, labels);
	}