import java.lang.System; import java_cup.runtime.*; import java.awt.Point; class Utility { private static final String mensaje[] = { "No se cerro correctamente un comentario.", "No se cerro correctamente un string.", "Caracter Ilegal.", "Error con el hint definido" }; public static final int E_COMENT = 0; public static final int E_STR = 1; public static final int E_CARACTERI = 2; public static final int E_HINT = 3; public static void error(int code, String valor, Point p) { System.out.println("Error en (" + (p.x+1) + "," + p.y + "): " + mensaje[code] + valor); System.out.println("El migrador no puede ser generado"); System.exit(1); } } class Yylex implements java_cup.runtime.Scanner { private final int YY_BUFFER_SIZE = 592; private final int YY_F = -1; private final int YY_NO_STATE = -1; private final int YY_NOT_ACCEPT = 0; private final int YY_START = 1; private final int YY_END = 2; private final int YY_NO_ANCHOR = 4; private final int YY_BOL = 65536; private final int YY_EOF = 65537; private boolean comentarioAbierto = false; private boolean hintAbierto = false; private int lineaComentario; private int colComentario; private int lineaHint; private int colHint; public int obtYyline(){ return yyline; } public int obtYychar(){ return yychar; } public String obtYytext(){ String linea = new java.lang.String(yy_buffer,yy_buffer_start,yy_buffer.length-yy_buffer_index); StringBuffer sblinea = new java.lang.StringBuffer().append(yy_buffer); //String linea = new java.lang.String(sblinea); int indice = linea.indexOf('\n'); String[] lineas = new String(yy_buffer).split("\n"); for(int i =0;i< lineas.length;i++){ if((lineas[i].trim()).equals((linea.substring(0,linea.indexOf('\n')+1)).trim())){ if(i<1){ yyline++; return lineas[i]; } else{ if(lineas[i-1].trim().length() == 0){ int j=1; while((i-j)>0){ if(lineas[i-j].trim().length() == 0) j++; else{ yyline=(yyline+1)-j; return lineas[i-j]; } } } else{ return lineas[i-1]; } } } } if(indice != -1){ return (linea.substring(0,linea.indexOf('\n')+1)); } else{ linea = new java.lang.String(yy_buffer,(yy_buffer_start-yychar+1),yy_buffer.length-yy_buffer_index); } return linea; } public Symbol obtnext_token(){ try{return next_token();} catch(Exception e){return new Symbol(0,new Integer(0));}} private java.io.BufferedReader yy_reader; private int yy_buffer_index; private int yy_buffer_read; private int yy_buffer_start; private int yy_buffer_end; private char yy_buffer[]; private int yychar; private int yyline; private boolean yy_at_bol; private int yy_lexical_state; Yylex (java.io.Reader reader) { this (); if (null == reader) { throw (new Error("Error: Bad input stream initializer.")); } yy_reader = new java.io.BufferedReader(reader); } Yylex (java.io.InputStream instream) { this (); if (null == instream) { throw (new Error("Error: Bad input stream initializer.")); } yy_reader = new java.io.BufferedReader(new java.io.InputStreamReader(instream)); } private Yylex () { yy_buffer = new char[YY_BUFFER_SIZE]; yy_buffer_read = 0; yy_buffer_index = 0; yy_buffer_start = 0; yy_buffer_end = 0; yychar = 0; yyline = 0; yy_at_bol = true; yy_lexical_state = YYINITIAL; yychar=1; } private boolean yy_eof_done = false; private void yy_do_eof () { if (false == yy_eof_done) { if(comentarioAbierto) Utility.error(Utility.E_COMENT,"",new Point(lineaComentario,colComentario)); } yy_eof_done = true; } private final int YYINITIAL = 0; private final int HINTS = 1; private final int COMENTARIO2 = 3; private final int COMENTARIO1 = 2; private final int yy_state_dtrans[] = { 0, 22, 26, 30 }; private void yybegin (int state) { yy_lexical_state = state; } private int yy_advance () throws java.io.IOException { int next_read; int i; int j; if (yy_buffer_index < yy_buffer_read) { return yy_buffer[yy_buffer_index++]; } if (0 != yy_buffer_start) { i = yy_buffer_start; j = 0; while (i < yy_buffer_read) { yy_buffer[j] = yy_buffer[i]; ++i; ++j; } yy_buffer_end = yy_buffer_end - yy_buffer_start; yy_buffer_start = 0; yy_buffer_read = j; yy_buffer_index = j; next_read = yy_reader.read(yy_buffer, yy_buffer_read, yy_buffer.length - yy_buffer_read); if (-1 == next_read) { return YY_EOF; } yy_buffer_read = yy_buffer_read + next_read; } while (yy_buffer_index >= yy_buffer_read) { if (yy_buffer_index >= yy_buffer.length) { yy_buffer = yy_double(yy_buffer); } next_read = yy_reader.read(yy_buffer, yy_buffer_read, yy_buffer.length - yy_buffer_read); if (-1 == next_read) { return YY_EOF; } yy_buffer_read = yy_buffer_read + next_read; } return yy_buffer[yy_buffer_index++]; } private void yy_move_end () { if (yy_buffer_end > yy_buffer_start && '\n' == yy_buffer[yy_buffer_end-1]) yy_buffer_end--; if (yy_buffer_end > yy_buffer_start && '\r' == yy_buffer[yy_buffer_end-1]) yy_buffer_end--; } private boolean yy_last_was_cr=false; private void yy_mark_start () { int i; for (i = yy_buffer_start; i < yy_buffer_index; ++i) { if ('\n' == yy_buffer[i] && !yy_last_was_cr) { ++yyline; } if ('\r' == yy_buffer[i]) { ++yyline; yy_last_was_cr=true; } else yy_last_was_cr=false; } yychar = yychar + yy_buffer_index - yy_buffer_start; yy_buffer_start = yy_buffer_index; } private void yy_mark_end () { yy_buffer_end = yy_buffer_index; } private void yy_to_mark () { yy_buffer_index = yy_buffer_end; yy_at_bol = (yy_buffer_end > yy_buffer_start) && ('\r' == yy_buffer[yy_buffer_end-1] || '\n' == yy_buffer[yy_buffer_end-1] || 2028/*LS*/ == yy_buffer[yy_buffer_end-1] || 2029/*PS*/ == yy_buffer[yy_buffer_end-1]); } private java.lang.String yytext () { return (new java.lang.String(yy_buffer, yy_buffer_start, yy_buffer_end - yy_buffer_start)); } private int yylength () { return yy_buffer_end - yy_buffer_start; } private char[] yy_double (char buf[]) { int i; char newbuf[]; newbuf = new char[2*buf.length]; for (i = 0; i < buf.length; ++i) { newbuf[i] = buf[i]; } return newbuf; } private final int YY_E_INTERNAL = 0; private final int YY_E_MATCH = 1; private java.lang.String yy_error_string[] = { "Error: Internal error.\n", "Error: Unmatched input.\n" }; private void yy_error (int code,boolean fatal) { java.lang.System.out.print(yy_error_string[code]); java.lang.System.out.flush(); if (fatal) { throw new Error("Fatal Error.\n"); } } private int[][] unpackFromString(int size1, int size2, String st) { int colonIndex = -1; String lengthString; int sequenceLength = 0; int sequenceInteger = 0; int commaIndex; String workString; int res[][] = new int[size1][size2]; for (int i= 0; i < size1; i++) { for (int j= 0; j < size2; j++) { if (sequenceLength != 0) { res[i][j] = sequenceInteger; sequenceLength--; continue; } commaIndex = st.indexOf(','); workString = (commaIndex==-1) ? st : st.substring(0, commaIndex); st = st.substring(commaIndex+1); colonIndex = workString.indexOf(':'); if (colonIndex == -1) { res[i][j]=Integer.parseInt(workString); continue; } lengthString = workString.substring(colonIndex+1); sequenceLength=Integer.parseInt(lengthString); workString=workString.substring(0,colonIndex); sequenceInteger=Integer.parseInt(workString); res[i][j] = sequenceInteger; sequenceLength--; } } return res; } private int yy_acpt[] = { /* 0 */ YY_NOT_ACCEPT, /* 1 */ YY_NO_ANCHOR, /* 2 */ YY_NO_ANCHOR, /* 3 */ YY_NO_ANCHOR, /* 4 */ YY_NO_ANCHOR, /* 5 */ YY_NO_ANCHOR, /* 6 */ YY_NO_ANCHOR, /* 7 */ YY_NO_ANCHOR, /* 8 */ YY_NO_ANCHOR, /* 9 */ YY_NO_ANCHOR, /* 10 */ YY_NO_ANCHOR, /* 11 */ YY_NO_ANCHOR, /* 12 */ YY_NO_ANCHOR, /* 13 */ YY_NO_ANCHOR, /* 14 */ YY_NO_ANCHOR, /* 15 */ YY_NO_ANCHOR, /* 16 */ YY_NO_ANCHOR, /* 17 */ YY_NO_ANCHOR, /* 18 */ YY_NO_ANCHOR, /* 19 */ YY_NO_ANCHOR, /* 20 */ YY_NO_ANCHOR, /* 21 */ YY_NO_ANCHOR, /* 22 */ YY_NOT_ACCEPT, /* 23 */ YY_NO_ANCHOR, /* 24 */ YY_NO_ANCHOR, /* 25 */ YY_NO_ANCHOR, /* 26 */ YY_NOT_ACCEPT, /* 27 */ YY_NO_ANCHOR, /* 28 */ YY_NO_ANCHOR, /* 29 */ YY_NOT_ACCEPT, /* 30 */ YY_NOT_ACCEPT, /* 31 */ YY_NOT_ACCEPT }; private int yy_cmap[] = unpackFromString(1,65538, "16:8,14,13,12,16:2,15,16:18,14,16:7,4,5,7,8,3,2,16,6,11:10,1,16:6,9:26,16:6" + ",10:26,16:65413,0:2")[0]; private int yy_rmap[] = unpackFromString(1,32, "0,1,2,1:3,3,4,5,1:3,6,1:9,7,1,8,9,10,11,12,13,14,15")[0]; private int yy_nxt[][] = unpackFromString(16,17, "1,2,23,3,4,5,27,23:2,6,7,8,9:3,24,23,-1:19,10,-1:23,6:3,-1:15,7:2,-1:16,8,-" + "1:13,13,-1:8,1,-1:28,9:2,-1:10,19,-1:9,1,14:11,15,14:2,29,14,-1:6,11,12,-1:" + "15,20,-1:22,16,-1:4,1,17:5,25,28,17:4,18,17:2,31,17,-1:12,21,-1:4"); public Symbol next_token () throws java.io.IOException { int yy_lookahead; int yy_anchor = YY_NO_ANCHOR; int yy_state = yy_state_dtrans[yy_lexical_state]; int yy_next_state = YY_NO_STATE; int yy_last_accept_state = YY_NO_STATE; boolean yy_initial = true; int yy_this_accept; yy_mark_start(); yy_this_accept = yy_acpt[yy_state]; if (YY_NOT_ACCEPT != yy_this_accept) { yy_last_accept_state = yy_state; yy_mark_end(); } while (true) { if (yy_initial && yy_at_bol) yy_lookahead = YY_BOL; else yy_lookahead = yy_advance(); yy_next_state = YY_F; yy_next_state = yy_nxt[yy_rmap[yy_state]][yy_cmap[yy_lookahead]]; if (YY_EOF == yy_lookahead && true == yy_initial) { yy_do_eof(); return new Symbol(sym.EOF); } if (YY_F != yy_next_state) { yy_state = yy_next_state; yy_initial = false; yy_this_accept = yy_acpt[yy_state]; if (YY_NOT_ACCEPT != yy_this_accept) { yy_last_accept_state = yy_state; yy_mark_end(); } } else { if (YY_NO_STATE == yy_last_accept_state) { throw (new Error("Lexical Error: Unmatched Input.")); } else { yy_anchor = yy_acpt[yy_last_accept_state]; if (0 != (YY_END & yy_anchor)) { yy_move_end(); } yy_to_mark(); switch (yy_last_accept_state) { case 1: case -2: break; case 2: { System.out.println("\nNo se reconoce el caracter <" + yytext() + "> en la linea " + (yyline + 1) +"\n"); } case -3: break; case 3: { return new Symbol(sym.coma,yytext()); } case -4: break; case 4: { return new Symbol(sym.oparen,yytext()); } case -5: break; case 5: { return new Symbol(sym.cparen,yytext()); } case -6: break; case 6: { return new Symbol(sym.var,yytext()); } case -7: break; case 7: { return new Symbol(sym.nomb,yytext()); } case -8: break; case 8: { return new Symbol(sym.ctte,yytext()); } case -9: break; case 9: { } case -10: break; case 10: { return new Symbol(sym.imp,yytext()); } case -11: break; case 11: { yybegin(COMENTARIO1); } case -12: break; case 12: { comentarioAbierto = true; lineaComentario = yyline; colComentario = yychar; yybegin(COMENTARIO2); } case -13: break; case 13: { hintAbierto = true; lineaHint = yyline; colHint = yychar; yybegin(HINTS); } case -14: break; case 14: {} case -15: break; case 15: { yybegin(YYINITIAL);} case -16: break; case 16: { yybegin(YYINITIAL);} case -17: break; case 17: {} case -18: break; case 18: { yychar=0;} case -19: break; case 19: { Utility.error(Utility.E_COMENT,"",new Point(lineaComentario,colComentario)); } case -20: break; case 20: { //fin del comentario comentarioAbierto = false; yybegin(YYINITIAL); } case -21: break; case 21: { yychar=0;} case -22: break; case 23: { System.out.println("\nNo se reconoce el caracter <" + yytext() + "> en la linea " + (yyline + 1) +"\n"); } case -23: break; case 24: { } case -24: break; case 25: {} case -25: break; case 27: { System.out.println("\nNo se reconoce el caracter <" + yytext() + "> en la linea " + (yyline + 1) +"\n"); } case -26: break; case 28: {} case -27: break; default: yy_error(YY_E_INTERNAL,false); case -1: } yy_initial = true; yy_state = yy_state_dtrans[yy_lexical_state]; yy_next_state = YY_NO_STATE; yy_last_accept_state = YY_NO_STATE; yy_mark_start(); yy_this_accept = yy_acpt[yy_state]; if (YY_NOT_ACCEPT != yy_this_accept) { yy_last_accept_state = yy_state; yy_mark_end(); } } } } } }