private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
private Stmnt parseFor(SymbolTable tbl) throws CompileError { Stmnt expr1, expr3; ASTree expr2; int t = lex.get(); // FOR SymbolTable tbl2 = new SymbolTable(tbl); if (lex.get() != '(') throw new SyntaxError(lex); if (lex.lookAhead() == ';') { lex.get(); expr1 = null; } else expr1 = parseDeclarationOrExpression(tbl2, true); if (lex.lookAhead() == ';') expr2 = null; else expr2 = parseExpression(tbl2); if (lex.get() != ';') throw new CompileError("; is missing", lex); if (lex.lookAhead() == ')') expr3 = null; else expr3 = parseExprList(tbl2); if (lex.get() != ')') throw new CompileError(") is missing", lex); Stmnt body = parseStatement(tbl2); return new Stmnt(t, expr1, new ASTList(expr2, new ASTList(expr3, body))); }
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);
return parseContinue(tbl); else return parseDeclarationOrExpression(tbl, false);