public declAST parseClassDecl() { declsAST temp = null; declsAST result = null; declAST varD; accept(sym.CLASS, "CLASS"); Symbol temptoken = currentToken; accept(sym.ID); accept(sym.COR_A, "{"); if (currentToken.sym == sym.COR_C) { accept(sym.COR_C, "}"); return(new classSinVarDeclAST(temptoken)); } else { Boolean ind = false; while (currentToken.sym == sym.ID) { if (ind == false) { varD = parseVarDecl(); result = new undeclAST(varD); } else { varD = parseVarDecl(); temp = new undeclAST(varD); result = new varsdeclAST(temp, result); } //revisar } accept(sym.COR_C, "}"); } return(new classConVarDeclAST(result, temptoken)); }
public methodVoidSinFormParsAST(declsAST dec, Symbol sym) { this.decl = dec; this.ident = sym; }
public programSinDeclAST(Symbol s, declsAST m) { ident = s; methods = m; }
public methodTipoConFormDeclsAST(Symbol sym, declsAST dec, formParsAST form) { this.ident = sym; this.decl = dec; this.formpars = form; }
public varsdeclAST(declsAST d1, declsAST d2) { h1 = d1; h2 = d2; }
public methodVoidConFormDeclsAST(declsAST dec, formParsAST form, Symbol sym) { this.decl = dec; this.formpars = form; this.ident = sym; }
public methodTipoSinFormParsAST(Symbol sym, declsAST dec) { this.ident = sym; this.decl = dec; }
public programSinMetAST(Symbol s, declsAST d) { ident = s; declaration = d; }
public programConTodoAST(Symbol s, declsAST d) { ident = s; declarations = d; }
public programSinDeclAST(Symbol s,declsAST m) { ident = s; methods = m; }
public methodTipoConFormDeclsAST(Symbol sym, declsAST dec, formParsAST form) { this.ident = sym; this.decl = dec; this.formpars = form; }
public classConVarDeclAST(declsAST d, Symbol s) { this.decl = d; this.ident = s; }
//METODOS PRIVADOS DE PARSING PARA CADA NO TERMINAL: public programAST parseProgram() { declAST conD, conD2; declAST varD, varD2; declAST claD, claD2; declAST metD, metD2; declsAST result = null; declsAST temp = null; Boolean ind = false; Boolean var = false; Boolean var2 = false; Symbol symtemp; if (currentToken.sym == sym.CLASS) { accept(sym.CLASS, "class"); symtemp = currentToken; accept(sym.ID, "ident"); while (currentToken.sym == sym.CONST || currentToken.sym == sym.ID || currentToken.sym == sym.CLASS) { var = true; switch (currentToken.sym) { case sym.CONST: { if (ind == false) { conD = parseConstDecl(); result = new undeclAST(conD); ind = true; } else { conD2 = parseConstDecl(); temp = new undeclAST(conD2); result = new varsdeclAST(result, temp); } break; } case sym.ID: { if (ind == false) { varD = parseVarDecl(); result = new undeclAST(varD); ind = true; } else { varD2 = parseVarDecl(); temp = new undeclAST(varD2); result = new varsdeclAST(result, temp); } break; } case sym.CLASS: { if (ind == false) { claD = parseClassDecl(); result = new undeclAST(claD); ind = true; } else { claD2 = parseClassDecl(); temp = new undeclAST(claD2); result = new varsdeclAST(result, temp); } break; } // return result; } } accept(sym.COR_A, "{"); while (currentToken.sym == sym.ID || currentToken.sym == sym.VOID) { var2 = true; if (ind == false) { metD = parseMethodDecl(); result = new undeclAST(metD); ind = true; } else { metD2 = parseMethodDecl(); temp = new undeclAST(metD2); result = new varsdeclAST(result, temp); } } accept(sym.COR_C, "}"); if (var == false && var2 == false) { return(new programSinNadaAST(symtemp)); } if (var == true && var2 == false) { return(new programSinMetAST(symtemp, result)); } if (var = false && var2 == true) { return(new programSinDeclAST(symtemp, result)); } if (var == true && var2 == true) { return(new programConTodoAST(symtemp, result)); } } else { error(currentToken, "CLASS"); } return(null); }
public declAST parseMethodDecl() { declAST varD = null; declsAST varD2 = null; declsAST varD3 = null; Symbol temp = currentToken; typeAST type = null; if (currentToken.sym == sym.ID || currentToken.sym == sym.VOID) { if (currentToken.sym == sym.ID) { type = parseType(); } if (currentToken.sym == sym.VOID) { accept(sym.VOID, "void"); } temp = currentToken; accept(sym.ID, "ident"); accept(sym.P_ABI, "("); formParsAST formP = null; if (currentToken.sym == sym.ID) { formP = parseFormPars(); } else { accept(sym.P_CER, ")"); } Boolean ind = false; while (currentToken.sym == sym.ID) { if (ind == false) { varD = parseVarDecl(); varD2 = new undeclAST(varD); varD3 = varD2; ind = true; } else { varD = parseVarDecl(); varD2 = new undeclAST(varD); varD3 = varD2; varD2 = new varsdeclAST(varD2, varD3); } } blockAST parseB = parseBlock(); if (type == null && formP == null) { if (ind == true) { return(new methodVoidSinFormDeclsAST(temp)); } else { return(new methodTipoSinFormParsAST(temp, varD2)); // return voidSinFormParsAST(temp, varD, parseB); } } if (type == null && varD == null) { return(new methodTipoSinVarDeclAST(temp, formP)); // return voidSinVarDeclAST(temp,formP,parseB); } if (type == null && varD != null && formP != null) { if (ind == true) { return(new methodVoidConFormDeclsAST(varD2, formP, temp)); } // return voidConForm_DeclsAST(temp, varD2, formP, parseB); else //return voidConForm_DeclsAST(temp, varD, formP, parseB); { return(new methodVoidSinVarDeclAST(formP, temp)); } } if (type == null && varD == null && formP == null) { return(new methodVoidSinFormDeclsAST(temp)); } } return(null); }
public methodTipoSinFormParsAST(Symbol sym, declsAST dec) { this.ident = sym; this.decl = dec; }