def buildMatrix(fname, rows, cols): # Construct an empty matrix with specified rows and cols matrix = [] for i in range(0, rows): matrixCols = [] for i in range(0, cols): matrixCols.append(0) matrix.append(matrixCols) # Open the file using Scanner or File Pointer # scanner example from http://troll.cs.ua.edu/cs150/projects/practice1.html if (fname): s = Scanner(fname) # Read the data from each row into an array scannedArray = [] token = s.readtoken() while token != '': scannedArray.append(token) token = s.readtoken() # Append the array onto the matrix for rowNumber in range(0, len(matrix)): for columnNumber in range(0, len(matrix[rowNumber])): if (len(scannedArray) > 0): matrix[rowNumber][columnNumber] = scannedArray.pop(0) # Close the file s.close() return matrix
def readTable(filename): s = Scanner(filename) table = [] record = readRecord(s) while record != "": table.append(record) record = readRecord(s) s.close() return table
values = QueueSLL() try: scan = Scanner(filename) except IOError: print("file not found") input() continue while True: nextInt = scan.readint() if nextInt == "": break if type(heap) == HeapBT: values.enqueue(BinaryNode(nextInt)) else: values.enqueue(nextInt) scan.close() heap.readData(values) elif option == "v": if heap.peek() == None: print("Error: the tree is empty") input() else: if type(heap) == HeapBT: gw = TreeGraphWriter("graph", heap) else: gw = ArrayGraphWriter("graph", heap) gw.createGraph() gw.display() elif option == "s":
from scanner import Scanner def readEmployeeRecord(s): name = s.readtoken() id = s.readtoken() title = s.readtoken() return name, id, title s = Scanner(0) print("about to scan") t = s.readtoken() ch = s.readrawchar() q = s.readtoken() print("<", t, "><", ch, "><", q, ">", sep="") s.close()
# Ali Shafiee 97110122 # Shayan Cheshm Jahan 97110047 from scanner import Scanner from parser import Parser if __name__ == '__main__': scanner = Scanner('input.txt') scanner.init_states() parser = Parser(scanner) parser.start() parser.write_tree('pars_tree.txt') parser.write_syntax_errors('syntax_errors.txt') scanner.write_tokens('tokens.txt') scanner.write_lexical_errors('lexical_errors.txt') scanner.write_symbol_table('symbol_table.txt') parser.semantic_checker.write_output('semantic_errors.txt') parser.subroutines.write_output('output.txt') scanner.close()