68 lines
2.1 KiB
Java
68 lines
2.1 KiB
Java
package b2c;
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import java.util.ArrayList;
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public class G1MParser {
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public static String convert(String content) {
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if (content.isEmpty()) return "";
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String currentProgram = Parser.parseProgName(content.substring(0, 8)); //content.substring(60,68);
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System.out.println("Program name: " + currentProgram);
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Header.addPrototype("void prog_"+currentProgram+"();\n");
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//System.out.println("Instructions : " + content.substring(86));
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content = content.substring(26);
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int lastCarriageReturn = -1;
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Parser.instructions.clear();
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Parser.instructionNumber = 0;
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Parser.nbBuffers = 0;
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//Divides the instructions
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for (int i = 0; i < content.length(); i++) {
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if (content.charAt(i) == '\r') {
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Parser.instructions.add(content.substring(lastCarriageReturn+1, i));
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lastCarriageReturn = i;
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}
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if (Parser.isMultibytePrefix(content.charAt(i))) {
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i++;
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}
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}
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Parser.instructions.add(content.substring(lastCarriageReturn+1));
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StringBuilder result = new StringBuilder();
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/* Due to the functions returning BCDvar* and not BCDvar,
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* there must be buffers in which the functions return.
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* To avoid creating a buffer at each function call,
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* as many buffers are created as functions calls in an instruction.
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*/
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int nbBuffers = 0;
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do {
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Parser.nbBuffers = 0;
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result.append(Parser.tabs + Parser.parse(Parser.instructions.get(Parser.instructionNumber), Parser.WHOLE_INSTRUCTION) + "\n");
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Parser.instructionNumber++;
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if (nbBuffers < Parser.nbBuffers) {
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nbBuffers = Parser.nbBuffers;
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}
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} while (Parser.instructionNumber < Parser.instructions.size());
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//Add buffers
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String buffers = "\tBCDvar ";
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for (int i = 0; i < nbBuffers; i++) {
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buffers += "buffer" + i;
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if (i+1 < nbBuffers) buffers += ", ";
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}
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buffers += ";\n";
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if (nbBuffers > 0) result.insert(0, buffers);
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result.insert(0, "void prog_"+currentProgram+"() {\n");
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//result = Parser.autoreplace(result);
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result.append("}");
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System.out.println("nb buffers = " + nbBuffers);
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System.out.println(Parser.nbBuffers);
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return result.toString();
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}
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}
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