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1.25M
8a205076-e777-47b6-81dc-2fc03c22b07e
public void statementList(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //statementList-> statement statementList | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("{") || token.name.equals("(") || token.name.equals("if") || token.name.equals("while") || token.name.equals("return") || token.type.equals("ID") || token.type.equals("int") || token.type.equals("float") || token.name.equals(";")) { statement(x,y); statementList(x,y); } } }
85a4e5ac-45b2-4a3f-9c6e-b3074a5183dc
public void statement(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //statement-> expressionSt | compound | selectionSt | iterationSt | returns // ( || { || if || while || return if(!x.isEmpty()) { imAtoken token = x.peek(); if (token.name.equals("(") || token.type.equals("int") || token.type.equals("float") || token.type.equals("ID") || token.type.equals(";")) { expressionSt(x,y); } else if (token.name.equals("{")) { compound(x,y); } else if (token.name.equals("if")) { selectionSt(x,y); } else if (token.name.equals("while")) { iterationSt(x, y); } else if (token.name.equals("return")) { returnSt(x,y); } } }
2ad9c16c-0b4a-4399-93a3-dc0bd1cf65b7
public void param(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { // param-> typeSpec ID paramType typeSpec(x,y); if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.type.equals("ID")) { for(int i = decList.size() - 1; i > 0; i--) { if(decList.get(i).lookUp(i).ID.equals(token.name)) { ptype.add(decList.get(i).lookUp(i).type); System.out.println("variable " + token.name + " has been defined before"); } else if (i == 0) { System.out.println("variable " + token.name + " is not defined"); System.exit(0); } } x.pop(); paramType(x,y); } } }
e0db0e89-297a-4ef8-bd84-bbe9416fac59
public void paramType(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //paramType-> [ ] | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("[")) { x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("]")) { x.pop(); } else { System.out.println("Error11: expected \"]\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.print("Error: Out of Tokens"); System.exit(0); } } } }
eeac26b5-63f6-43b3-b7e7-d2d568670d76
public void parLoop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //parLoop-> , param parLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(",")) { x.pop(); param(x,y); parLoop(x,y); } } }
9737b692-24da-46bd-b668-391ffdc10d5b
public void parameter(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //parameter-> ID paramtype parLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.type.equals("ID")) { for(int i = decList.size() - 1; i > 0; i--) { for(int v = 0; v < decList.get(i).stacker.size()-1; v++) { if (decList.get(i).lookUp(v).ID.equals(token.name)) { ptype.add(decList.get(i).lookUp(i).type); System.out.println("Variable " + token.name + " has been defined before"); } else if (i == 0) { System.out.println("variable " + token.name + " is not defined"); System.exit(0); } } } x.pop(); paramType(x,y); parLoop(x,y); } } }
f260856b-75f0-4956-8936-720b54583554
public void expressionSt(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //expressionSt-> expression ; | ; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { System.out.println("Error12: expected \";\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error13: Out of Tokens"); System.exit(0); } } } }
7f641e1c-3c28-4363-bb88-35b25cf4e051
public void selectionSt(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //selectionSt-> if ( expression ) statement selectFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("if")) { //deny symbol table construction ifWhile++; x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); statement(x,y); selectFollow(x,y); } else { System.out.println("Error14: expected \")\" but got " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error15: out of tokens"); System.exit(0); } } } else { System.out.println("Error16: out of tokens"); System.exit(0); } } else { System.out.println("Error17: expected \"if\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error18: out of tokens"); System.exit(0); } }
42309c6c-1f1c-446f-8a71-3a32bf7adefa
public void iterationSt(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //iterationSt-> while ( expression ) statement if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("while")) { //deny symbol table construction ifWhile++; x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); statement(x,y); } else { System.out.println("Error19: expected \")\" but found " + token.name + " on line " + token.line); System.exit(0); } } } else { System.out.println("Error20: expected \"(\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error21: out of tokens"); System.exit(0); } } else { System.out.println("Error22: expected \"while\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error23: out of tokens"); System.exit(0); } }
f202f5ab-5788-4490-901b-5a38351ad2b7
public void returnSt(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //returnSt-> return retFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("return")) { x.pop(); retFollow(x,y); } else { System.out.println("Error24: expected return but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error25: out of tokens"); System.exit(0); } }
7dcf71d3-fea1-456b-84e2-0d8db0e90875
public void expression(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //expression-> ( expression ) expFollow | NUM expFollow | ID idFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); expFollow(x,y); } else { System.out.println("Error26: expected ) but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error27: out of tokens"); System.exit(0); } } else if(token.type.equals("int") || token.type.equals("float")) { NUM(x,y); expFollow(x,y); } else if(token.type.equals("ID")) { //You need to be coding here for(int i = decList.size() - 1; i > 0; i--) { for(int v = 0; v < decList.get(i).stacker.size() - 1; v++) { if (decList.get(i).lookUp(v).ID.equals(token.name)) { ptype.add(decList.get(i).lookUp(i).type); System.out.println("Variable " + token.name + " has been defined before"); } else if (i == 0) { System.out.println("variable " + token.name + " is not defined"); System.exit(0); } } } //capture ID for checking FunName = token.name; //remove token x.pop(); idFollow(x,y); } else { System.out.println("Error: expected stuff but found " + token.name + " on line " + token.line); System.exit(0); } } }
c34b2ebf-21c6-4053-9cd9-603c3f359615
public void selectFollow(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //selectFollow-> else statement | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("else")) { x.pop(); statement(x,y); } } }
66966a33-3673-4a05-8b3a-3e03891bb5b4
public void retFollow(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //retFollow-> ; | expression ; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { System.out.println("Error28: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } } } }
17aacfa1-2aea-4437-80f8-459b7d591dde
public void expFollow(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //expFollow-> termloop addExpLoop C termLoop(x,y); addExpLoop(x,y); C(x,y); }
5ac9d736-7759-4ac9-94a7-a48c45465aec
public void termLoop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //termLoop-> mulop factor termLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("*") || token.name.equals("/")) { mulop(x,y); factor(x,y); termLoop(x,y); } } }
feb2cc63-6966-4d58-a35e-f63cdc95390f
public void C(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //C-> relop addExp | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("<=") || token.name.equals("<") || token.name.equals(">") || token.name.equals(">=") || token.name.equals("==") || token.name.equals("!=")) { relop(x,y); addExp(x,y); } } }
86cca781-ecb2-43d1-b751-213240834f7e
public void relop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //relop-> <= | < | > | >= | == | != if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("<=") || token.name.equals("<") || token.name.equals(">") || token.name.equals(">=") || token.name.equals("==") || token.name.equals("!=")) { x.pop(); } else { System.out.println("Error29: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } }
635dbaee-d53d-4c6a-a8c5-09a9a392a0fc
public void addExp(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //addExp-> term addExpLoop term(x,y); addExpLoop(x,y); }
8d620a42-5dac-48a5-883e-c5017646137d
public void term(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { factor(x,y); termLoop(x,y); }
4e1fd756-f994-4705-8605-6efabf32062a
public void addExpLoop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //addExpLoop-> addop term addExpLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("+") || token.name.equals("-")) { x.pop(); term(x,y); addExpLoop(x,y); } } }
cfeb00ee-b639-43ed-88de-d18ee15d95ec
public void mulop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("*") || token.name.equals("/")) { x.pop(); } else { System.out.println("Error: looking for * or / and found " + token + " on line " + token.line); System.exit(0); } } }
cb620c77-53c1-4b8e-a5b9-8961aefffab8
public void factor(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //factor-> (expression) | NUM | ID factorFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); } else { System.out.println("Error30: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error31: out of tokens"); System.exit(0); } } else if(token.type.equals("int") || token.type.equals("float")) { if(type.equals("int") || type.equals("float")) NUM(x,y); } else if(token.type.equals("ID")) { for(int i = decList.size() - 1; i > 0; i--) { for(int v = 0; v < decList.get(i).stacker.size()-1; v++) { if (decList.get(i).lookUp(v).ID.equals(token.name)) { ptype.add(decList.get(i).lookUp(i).type); System.out.println("Variable " + token.name + " has been defined before"); } else if (i == 0) { System.out.println("variable " + token.name + " is not defined"); System.exit(0); } } } x.pop(); factorFollow(x,y); } else { System.out.println("Error32: expected ( or an int or a float or an ID but found " + token.name + " on line " + token.line); System.exit(0); } } }
9ca68866-60d3-4e70-9513-b60c7e78c97d
public void factorFollow(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //factorFollow-> B | ( args) if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); args(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); } } } else { B(x,y); } } }
af23bec0-ad78-4c53-ad0c-6d29da41d361
public void idFollow(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //idFollow-> BM | ( args ) expFollow Boolean corCall = true; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); args(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { if(functionList.size() > 1) { for (int i = 0; i < functionList.size() - 1; i++) { if (FunName.equals(functionList.get(i).name)) { if (!ptype.equals(functionList.get(i).pType)) { System.out.println("function " + FunName + " not defined"); System.exit(0); } else { System.out.println("function " + FunName + " successfully called"); } } else if (i == ptype.size() - 1) { System.out.println("function " + FunName + " not defined"); System.exit(0); } } } else { for(int r = 0; r <= 1; r++) { if (FunName.equals(functionList.get(r).name)) { if (!ptype.equals(functionList.get(r).pType)) { System.out.println("function " + FunName + " not defined"); System.exit(0); } else { System.out.println(" function " + FunName + " successfully called"); } } else { System.out.println("function " + FunName + " not defined"); System.exit(0); } } } x.pop(); expFollow(x,y); } else { System.out.println("Error33: expected ) but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error34: out of tokens"); System.exit(0); } } else { B(x, y); M(x, y); } } }
e94d3f99-1806-4501-826b-563abe49dcb3
public void args(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //args-> argList | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if (token.name.equals("(") || token.type.equals("int") || token.type.equals("float") || token.type.equals("ID")) { //capture paramtype if(token.type.equals("ID")) { for(int i = decList.size() - 1; i > 0; i--) { for(int v = 0; v < decList.get(i).stacker.size()-1; v++) { if (decList.get(i).lookUp(v).ID.equals(token.name)) { ptype.add(decList.get(i).lookUp(i).type); System.out.println("Variable " + token.name + " has been defined before"); } else if (i == 0) { System.out.println("variable " + token.name + " is not defined"); System.exit(0); } } } } else if(!token.name.equals("(")) { ptype.add(token.type); } argList(x, y); } } }
521756e4-61f9-4a69-b17d-a5dee6f43bfb
public void argList(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //argList-> expression argListLoop expression(x,y); argsListLoop(x,y); }
c2af46bb-2fcc-4b92-9dae-7caf0342c3a7
public void argsListLoop(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //argListLoop-> , expression argListLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(",")) { x.pop(); expression(x,y); argsListLoop(x,y); } } }
8b787086-0505-46fb-8c90-a15debaa24f3
public void B(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //B-> [ expression ] | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("[")) { //flag variable as an array Array = true; for(int i = decList.size() - 1; i > 0; i--) { if(decList.get(i).lookUp(i).ID.equals(token.name)) { for(int v = 0; v < decList.get(i).stacker.size()-1; v++) { if(decList.get(i).stacker.get(v).Array == Array && decList.get(i).stacker.get(v).ID.equals(name)) { ptype.add(decList.get(i).lookUp(v).type); System.out.println("variable " + name + "is secure"); } } } else if (i == 0) { System.out.println("variable " + name + " is not defined"); System.exit(0); } } x.pop(); expression(x,y); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("]")) { //reset array parameter Array = false; x.pop(); } else { System.out.println("Error35: expected ] but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error36: out of tokens"); System.exit(0); } } } }
aa6b8ad0-0e61-48c0-af6d-3f89b4119ff0
public void M(ArrayDeque<imAtoken> x, ArrayList<Functions> y) { //M-> = expression | expFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("=")) { //need to compare each side x.pop(); expression(x,y); } else { expFollow(x,y); } } }
3add08a9-758f-491a-8714-f6839df2599a
public ArrayList<Functions> run(ArrayDeque<imAtoken> x) { while(!x.isEmpty()) { program(x); } return functionList; }
c3bcefa5-ab7c-428c-a0eb-8b47eae48b2c
public void program(ArrayDeque<imAtoken> x) { declist(x); }
0d6dda18-66d8-4792-b76f-97340cfd3a98
public void declist(ArrayDeque<imAtoken> x) { declaration(x); decloop(x); }
3293c926-926f-4a34-80af-09fb0bd7550e
public void declaration(ArrayDeque<imAtoken> x) { if(!x.isEmpty()) { typeSpec(x); imAtoken token = x.peek(); if(token.type.equals("ID")) { //Capture the declarations ID name = token.name; //Remove the token x.pop(); } else { System.out.println("Error1: expected an ID but got a " + token.type + " on line " + token.line); System.exit(0); } decFollow(x); } }
4c5e8e89-fd44-4740-bffc-34e20f2a9de1
public void decloop(ArrayDeque<imAtoken> x) { if(!x.isEmpty()) { imAtoken token = x.peek(); if( token.name.equals("int") || token.name.equals("void") || token.name.equals("float") ) { declaration(x); decloop(x); } } }
50162086-440b-4516-b3ba-f42ecaca7aa8
public void typeSpec(ArrayDeque<imAtoken> x) { imAtoken token = x.peek(); if( token.name.equals("int") || token.name.equals("void") || token.name.equals("float") ) { //Capture the declarations type type = token.name; //Remove the token from the stack x.pop(); } else { System.out.println("Error2: expected an int, void, or float but found " + token.name + " on line " + token.line); System.exit(0); } }
ee4cc601-8660-4ba5-8858-37674c51ae0a
public void decFollow(ArrayDeque<imAtoken> x) { //decfollow -> (params) compound | X boolean duplicate = true; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); params(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { if(functionList.size() != 0) { //check for duplicate function for(int t = 0; t <= (functionList.size()-1); t++) { if(name.equals(functionList.get(t).name)) { for(int s = 0; s < (functionList.get(s).pType.size()-1); s++) { if(!ptype.get(s).equals(functionList.get(s).pType.get(s))) { duplicate = false; } } } else if (t == functionList.size()-1) { duplicate = false; } } } else { duplicate = false; } if(!duplicate) { //create a Function Functions func = new Functions(name, type, ptype, pname, isAr); //Send function to Function list functionList.add(func); System.out.println("function " + type + " " + name + " found"); //reset functions name = ""; type = ""; ptype.clear(); pname.clear(); isAr = false; } else { System.out.println("error function " + type + " " + name + " already defined"); System.exit(0); } //remove end token x.pop(); compound(x); } } } else if(token.name.equals(";") || token.name.equals("[")) { X(x); } else { System.out.println("Error3: Expected \"(\" or \";\" or \"[\" but found " + token + " on line " + token.line); System.exit(0); } } else { System.out.println("Error: Out of Tokens"); } }
c920cf44-33c2-4f63-973b-960f9140130b
public void params(ArrayDeque<imAtoken> x) { //params-> int ID paramtype parLoop | float ID paramtype parLoop | void parameter if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("int") || token.name.equals("float")) { //capture parameter type ptype.add(token.name); //remove the token x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.type.equals("ID")) { //capture param name pname.add(token.name); //remove the token x.pop(); paramType(x); parLoop(x); } } else { System.out.println("Error: Out of Tokens"); System.exit(0); } } else { if(token.name.equals("void")) { //capture parameter type ptype.add(token.name); pname.add(""); //remove token x.pop(); parameter(x); } else { System.out.println("Error4: Expected int, float, or void but found " + token + " on line " + token.line); System.exit(0); } } } }
3965f426-ef8e-453f-9e9b-5b943562acd9
public void compound(ArrayDeque<imAtoken> x) { //compound-> { localDecs statementList } if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("{")) { x.pop(); localDecs(x); statementList(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("}")) { x.pop(); } else { System.out.println("Error5: expected \"}\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error: Out of Tokens"); System.exit(0); } } else { System.out.println("Error6: expected \"{\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error: Out of Tokens"); } }
1efacf64-2def-4a17-84dc-04681a9a6f98
public void X(ArrayDeque<imAtoken> x) { //X-> ; | [NUM] ; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { if(token.name.equals("[")) { x.pop(); NUM(x); token = x.peek(); if(token.name.equals("]")) { x.pop(); token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { System.out.println("Error7: expected \";\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error8: expected \"]\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error9: expected \"[\" but found " + token.name + " on line " + token.line); System.exit(0); } } } else { System.out.println("Error: out of Tokens"); } }
17de6d6e-3d7f-43dc-810d-0b87b0e1acab
public void NUM(ArrayDeque<imAtoken> x) { if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.type.equals("Float") || token.type.equals("Int")) { x.pop(); } else { System.out.println("Error10: expected an Int or a Float but found a " + token.type + " on line " + token.line); System.exit(0); } } else { System.out.println("Error: Out of Tokens"); } }
0ea885cf-640e-4928-85a2-c6bf96936988
public void localDecs(ArrayDeque<imAtoken> x) { //localDecs-> typeSpec ID X localDecs | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("int") || token.name.equals("void") || token.name.equals("float")) { typeSpec(x); token = x.peek(); if(token.type.equals( "ID")) { x.pop(); X(x); localDecs(x); } else { System.out.println("Error: Expected an ID found " + token + " on line " + token.line); System.exit(0); } } } }
c997d541-8ffd-4199-ba52-ab0af07bef32
public void statementList(ArrayDeque<imAtoken> x) { //statementList-> statement statementList | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("{") || token.name.equals("(") || token.name.equals("if") || token.name.equals("while") || token.name.equals("return") || token.type.equals("ID") || token.type.equals("Int") || token.type.equals("Float") || token.name.equals(";")) { statement(x); statementList(x); } } }
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public void statement(ArrayDeque<imAtoken> x) { //statement-> expressionSt | compound | selectionSt | iterationSt | returns // ( || { || if || while || return if(!x.isEmpty()) { imAtoken token = x.peek(); if (token.name.equals("(") || token.type.equals("Int") || token.type.equals("Float") || token.type.equals("ID") || token.type.equals(";")) { expressionSt(x); } else if (token.name.equals("{")) { compound(x); } else if (token.name.equals("if")) { selectionSt(x); } else if (token.name.equals("while")) { iterationSt(x); } else if (token.name.equals("return")) { returnSt(x); } } }
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public void param(ArrayDeque<imAtoken> x) { // param-> typeSpec ID paramType typeSpec(x); if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.type.equals("ID")) { x.pop(); paramType(x); } } }
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public void paramType(ArrayDeque<imAtoken> x) { //paramType-> [ ] | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("[")) { //mark as array isAr = true; //remove token x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("]")) { x.pop(); } else { System.out.println("Error11: expected \"]\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.print("Error: Out of Tokens"); System.exit(0); } } } }
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public void parLoop(ArrayDeque<imAtoken> x) { //parLoop-> , param parLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(",")) { x.pop(); param(x); parLoop(x); } } }
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public void parameter(ArrayDeque<imAtoken> x) { //parameter-> ID paramtype parLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.type.equals("ID")) { x.pop(); paramType(x); parLoop(x); } } }
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public void expressionSt(ArrayDeque<imAtoken> x) { //expressionSt-> expression ; | ; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { System.out.println("Error12: expected \";\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error13: Out of Tokens"); System.exit(0); } } } }
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public void selectionSt(ArrayDeque<imAtoken> x) { //selectionSt-> if ( expression ) statement selectFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("if")) { x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); statement(x); selectFollow(x); } else { System.out.println("Error14: expected \")\" but got " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error15: out of tokens"); System.exit(0); } } } else { System.out.println("Error16: out of tokens"); System.exit(0); } } else { System.out.println("Error17: expected \"if\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error18: out of tokens"); System.exit(0); } }
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public void iterationSt(ArrayDeque<imAtoken> x) { //iterationSt-> while ( expression ) statement if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("while")) { x.pop(); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); statement(x); } else { System.out.println("Error19: expected \")\" but found " + token.name + " on line " + token.line); System.exit(0); } } } else { System.out.println("Error20: expected \"(\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error21: out of tokens"); System.exit(0); } } else { System.out.println("Error22: expected \"while\" but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error23: out of tokens"); System.exit(0); } }
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public void returnSt(ArrayDeque<imAtoken> x) { //returnSt-> return retFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("return")) { x.pop(); retFollow(x); } else { System.out.println("Error24: expected return but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error25: out of tokens"); System.exit(0); } }
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public void expression(ArrayDeque<imAtoken> x) { //expression-> ( expression ) expFollow | NUM expFollow | ID idFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); expFollow(x); } else { System.out.println("Error26: expected ) but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error27: out of tokens"); System.exit(0); } } else if(token.type.equals("Int") || token.type.equals("Float")) { NUM(x); expFollow(x); } else if(token.type.equals("ID")) { x.pop(); idFollow(x); } else { System.out.println("Error: expected stuff but found " + token.name + " on line " + token.line); System.exit(0); } } }
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public void selectFollow(ArrayDeque<imAtoken> x) { //selectFollow-> else statement | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("else")) { x.pop(); statement(x); } } }
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public void retFollow(ArrayDeque<imAtoken> x) { //retFollow-> ; | expression ; if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(";")) { x.pop(); } else { System.out.println("Error28: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } } } }
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public void expFollow(ArrayDeque<imAtoken> x) { //expFollow-> termloop addExpLoop C termLoop(x); addExpLoop(x); C(x); }
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public void termLoop(ArrayDeque<imAtoken> x) { //termLoop-> mulop factor termLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("*") || token.name.equals("/")) { mulop(x); factor(x); termLoop(x); } } }
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public void C(ArrayDeque<imAtoken> x) { //C-> relop addExp | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("<=") || token.name.equals("<") || token.name.equals(">") || token.name.equals(">=") || token.name.equals("==") || token.name.equals("!=")) { relop(x); addExp(x); } } }
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public void relop(ArrayDeque<imAtoken> x) { //relop-> <= | < | > | >= | == | != if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("<=") || token.name.equals("<") || token.name.equals(">") || token.name.equals(">=") || token.name.equals("==") || token.name.equals("!=")) { x.pop(); } else { System.out.println("Error29: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } }
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public void addExp(ArrayDeque<imAtoken> x) { //addExp-> term addExpLoop term(x); addExpLoop(x); }
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public void term(ArrayDeque<imAtoken> x) { factor(x); termLoop(x); }
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public void addExpLoop(ArrayDeque<imAtoken> x) { //addExpLoop-> addop term addExpLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("+") || token.name.equals("-")) { x.pop(); term(x); addExpLoop(x); } } }
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public void mulop(ArrayDeque<imAtoken> x) { if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("*") || token.name.equals("/")) { x.pop(); } else { System.out.println("Error: looking for * or / and found " + token + " on line " + token.line); System.exit(0); } } }
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public void factor(ArrayDeque<imAtoken> x) { //factor-> (expression) | NUM | ID factorFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); } else { System.out.println("Error30: expected ; but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error31: out of tokens"); System.exit(0); } } else if(token.type.equals("Int") || token.type.equals("Float")) { NUM(x); } else if(token.type.equals("ID")) { x.pop(); factorFollow(x); } else { System.out.println("Error32: expected ( or an int or a float or an ID but found " + token.name + " on line " + token.line); System.exit(0); } } }
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public void factorFollow(ArrayDeque<imAtoken> x) { //factorFollow-> B | ( args) if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); args(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); } } } else { B(x); } } }
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public void idFollow(ArrayDeque<imAtoken> x) { //idFollow-> BM | ( args ) expFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("(")) { x.pop(); args(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals(")")) { x.pop(); expFollow(x); } else { System.out.println("Error33: expected ) but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error34: out of tokens"); System.exit(0); } } else { B(x); M(x); } } }
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public void args(ArrayDeque<imAtoken> x) { //args-> argList | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if (token.name.equals("(") || token.type.equals("Int") || token.type.equals("Float") || token.type.equals("ID")) { argList(x); } } }
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public void argList(ArrayDeque<imAtoken> x) { //argList-> expression argListLoop expression(x); argsListLoop(x); }
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public void argsListLoop(ArrayDeque<imAtoken> x) { //argListLoop-> , expression argListLoop | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals(",")) { x.pop(); expression(x); argsListLoop(x); } } }
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public void B(ArrayDeque<imAtoken> x) { //B-> [ expression ] | empty if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("[")) { x.pop(); expression(x); if(!x.isEmpty()) { token = x.peek(); if(token.name.equals("]")) { x.pop(); } else { System.out.println("Error35: expected ] but found " + token.name + " on line " + token.line); System.exit(0); } } else { System.out.println("Error36: out of tokens"); System.exit(0); } } } }
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public void M(ArrayDeque<imAtoken> x) { //M-> = expression | expFollow if(!x.isEmpty()) { imAtoken token = x.peek(); if(token.name.equals("=")) { x.pop(); expression(x); } else { expFollow(x); } } }
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public Functions(String x, String y, ArrayList<String> pt, ArrayList<String> pn, boolean isAr) { name = x; type = y; rType = y; if(pt.size() == 1) { pType.add(pt.get(0)); } else { for (int i = 0; i < pt.size() - 1; i++) { pType.add(pt.get(i)); } } if(pn.size() == 1) { pName.add(pt.get(0)); } else { for (int i = 0; i < pn.size() - 1; i++) { pName.add(pn.get(i)); } } isArray.add(isAr); }
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public Declaration(String x, String y, int a, boolean ray) { ID = x; type = y; arraySize = a; Array = ray; }
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public SymTable () { //blank slate }
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public Declaration lookUp(int x) { Declaration dec = stacker.get(x); return dec; }
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public void insert(Declaration x) { stacker.add(x); }
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public void delete() { }
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public ArrayDeque<imAtoken> run(String[] args) { File file = new File("C:\\Users\\Drivenwanderer\\Documents\\GitHub\\LexAn\\src\\t1"); try { //File file = new File(args[0]); Scanner scanner = new Scanner(file); //File Scanner while (scanner.hasNextLine()) //until we reach the end of the file... { lineNum++; //Increment Line Number String Test = scanner.nextLine(); //Scan selected Line in for(int i = 0; i < Test.length(); i++) { notDim = false; //reset Delimiter flag if((i+1) < Test.length()) { primtest = Test.charAt(i); SecTest = Test.charAt(i+1); } else { primtest = Test.charAt(i); SecTest = ' '; } if(primtest == '/' && SecTest == '/' && Test.charAt(i+2) != '*') { break; } if(primtest == '/' && SecTest == '*') { multi++; comCheck = true; SecTest = ' '; i++; continue; } if(primtest == '*' && SecTest == '/' && comCheck && multi != 0) { multi--; if(multi == 0) { comCheck = false; } SecTest = ' '; i++; continue; } if(!comCheck) { notDim = true; for (String aDLim : dLim) { current = String.valueOf(primtest); if (current.equals("+") || current.equals("-")) { notDim = String.valueOf(Test.charAt(i - 1)).equals("E"); if (String.valueOf(SecTest).equals(current)) { notDim = false; current = current + SecTest; } } else { if (current.equals(aDLim) || current.equals(" ")) { notDim = false; if (current.equals("{")) { depth++; } if (current.equals("}")) { depth--; } } } } if(notDim && i < Test.length()) { analyzeMe += primtest; } else { analyzeMe = keyHunt(analyzeMe, sym); analyzeMe = intHunt(analyzeMe, dLim); if(!analyzeMe.equals("")) { analyzeMe = ""; } if((!current.equals("")) && (!current.equals(" ") )) { if(current.equals("=")) { if(String.valueOf(SecTest).equals(current)) { current += SecTest; i++; } } if(current.equals("!") && String.valueOf(SecTest).equals("=")) { current += SecTest; i++; } if((current.equals(">") || current.equals("<")) && String.valueOf(SecTest).equals("=")) { current += SecTest; i++; } if(!(current.equals("\t") || current.equals("\r") || current.equals("\n"))) { imAtoken token = new imAtoken("Symbol", current, depth,lineNum); stacker.add(token); } } } } } } } catch (FileNotFoundException e) // if the file can not be scanned in.... { e.printStackTrace(); //show me where it fails } if(!analyzeMe.equals("")) { analyzeMe = keyHunt(analyzeMe, sym); analyzeMe = intHunt(analyzeMe, dLim); } return stacker; }
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String keyHunt(String analyzeMe, String[] sym) { boolean keyCheck = false; for (String aSym : sym) { if (analyzeMe.equals(aSym)) { imAtoken token = new imAtoken("Keyword", analyzeMe, depth,lineNum); stacker.add(token); analyzeMe = ""; keyCheck = true; } } if(!keyCheck && !analyzeMe.equals("")) { analyzeMe = idHunt(analyzeMe); } return analyzeMe; }
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String idHunt(String analyzeMe) { boolean idCheck = true; for(int r = 0; r < analyzeMe.length(); r++) { if(!Character.isLetter(analyzeMe.charAt(r))) { idCheck = false; } } if(idCheck) { imAtoken token = new imAtoken("ID", analyzeMe, depth,lineNum); stacker.add(token); analyzeMe = ""; } return analyzeMe; }
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String intHunt(String analyzeMe, String[] dLim) { boolean intCheck = true; boolean errorCheck = false; for(int r = 0; r < analyzeMe.length(); r++) { for (String aDLim : dLim) { String wall = String.valueOf(analyzeMe.charAt(r)); char egg = analyzeMe.charAt(r); if (!wall.equals(aDLim) && !Character.isLetterOrDigit(egg)) { errorCheck = true; } if (!Character.isDigit(analyzeMe.charAt(r))) { intCheck = false; } } } if(errorCheck) { analyzeMe = checkFloat(analyzeMe); } if(intCheck && !analyzeMe.equals("")) { imAtoken token = new imAtoken("int", analyzeMe, depth, lineNum); stacker.add(token); analyzeMe = ""; } return analyzeMe; }
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String checkFloat(String analyzeMe) { int counter = 0; //Evaluate if the word is a float. String regex = "\\d*\\.?\\d+([E][+-]?\\d+)?"; Pattern floatPat = Pattern.compile(regex); //create a pattern to match Matcher match = floatPat.matcher(analyzeMe); //look for a match boolean isFloat = match.matches(); //Did it match? if(isFloat) { //Success, output it. imAtoken token = new imAtoken("float", analyzeMe, depth,lineNum); stacker.add(token); analyzeMe = ""; } else { //Check to see if there were too many decimals. for(int i = 0; i < analyzeMe.length(); i++) { if(analyzeMe.charAt(i) == '.') { counter++; } } //If there is more than 1 decimal, output an error. if(counter > 1) { System.out.println("ERROR: invalid token \"" + analyzeMe + "\" found on line " + lineNum); analyzeMe = ""; } } return analyzeMe; }
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public static void main(String[] args) { ArrayDeque<imAtoken> parseMe = new ArrayDeque<imAtoken>();// collection of analyzed pieces to be parsed ArrayList<Functions> functionList = new ArrayList<Functions>(); String conti = ""; //Can it be parsed? int[] x = new int[10]; Lex lex = new Lex(); //Lexical Analyzer creation parseMe = lex.run(args); //Create the string from the lexical analyzer //Call the Parser------------------------------------------------ Parser parser = new Parser(); //Parser creation conti = parser.run(parseMe, functionList, conti); //run through parser //Print Successful Result----------------------------------------- System.out.println(conti); }
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public imAtoken(String t, String am, int d, int l) { type = t; name = am; depth = d; line = l; }
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public String toString() { return name; }
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public Item(String description, double weight, boolean canBeTaken) { this.id = "" + idSiguiente; this.idSiguiente++; this.description = description; this.weight = weight; this.canBeTaken = canBeTaken; }
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public String getLongDescription() { return "ID " + id + ": " + description + " (" + weight + " kg.)"; }
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public String getId() { return id; }
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public double getWeight() { return weight; }
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public boolean canBeTaken() { return canBeTaken; }
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public Parser() { commands = new CommandWords(); reader = new Scanner(System.in); }
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public Command getCommand() { String inputLine; // will hold the full input line String word1 = null; String word2 = null; System.out.print("> "); // print prompt inputLine = reader.nextLine(); // Find up to two words on the line. Scanner tokenizer = new Scanner(inputLine); if(tokenizer.hasNext()) { word1 = tokenizer.next(); // get first word if(tokenizer.hasNext()) { word2 = tokenizer.next(); // get second word // note: we just ignore the rest of the input line. } } // Now check whether this word is known. If so, create a command // with it. If not, create a "null" command (for unknown command). if(commands.isCommand(word1)) { return new Command(word1, word2); } else { return new Command(null, word2); } }
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public void showCommands(){ commands.showAll(); }
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public Player() { currentRoom = null; visitedRooms = new Stack<>(); mochila = new ArrayList<Item>(); cargaMaxima = CARGA_MAXIMA_POR_DEFECTO; }
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public void goRoom(Command command) { if(!command.hasSecondWord()) { // if there is no second word, we don't know where to go... System.out.println("Go where?"); return; } String direction = command.getSecondWord(); // Try to leave current room. Room nextRoom = currentRoom.getExit(direction); if (nextRoom == null) { System.out.println("There is no door!"); } else { visitedRooms.push(currentRoom); currentRoom = nextRoom; printLocationInfo(); } }
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public void look() { printLocationInfo(); }
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public void eat() { System.out.println("You have eaten now and you are not hungry any more"); }
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public void back() { if (!visitedRooms.empty()) { currentRoom = visitedRooms.pop(); printLocationInfo(); } else { System.out.println("You are at the beggining of the game"); System.out.println(); } }
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public void printLocationInfo() { System.out.println(currentRoom.getLongDescription()); }
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public void setCurrentRoom(Room nuevaRoom) { currentRoom = nuevaRoom; }
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public void items() { System.out.println("En la mochila hay " + mochila.size() + " objetos:"); for(Item item : mochila) { System.out.println(item.getLongDescription()); } }