Interpreter.java is missing these methods in the code so make sure to add them: -print, printf: Exist, marked as variadic, call Java functions -getline and next: Exist and call SplitAndAssign -gsub, match, sub, index, length, split, substr, tolower, toupper: Exist, call Java functions, correct return Below is interpreter.java import java.util.ArrayList; import java.util.HashMap; import java.util.List; public class Interpreter { private HashMap globalVariables; private HashMap functions; private class LineManager { private List lines; private int currentLineIndex; public LineManager(List inputLines) { this.lines = inputLines; this.currentLineIndex = 0; } public boolean splitAndAssign() { if (currentLineIndex < lines.size()) { String currentLine = lines.get(currentLineIndex); currentLineIndex++; // Move to the next line return true; } return false; } } public Interpreter(ProgramNode node, String path) { globalVariables = new HashMap<>(); functions = new HashMap<>(); if (path != null) { List inputLines = readAndParseFile(path); LineManager lineManager = new LineManager(inputLines); } } private List readAndParseFile(String path) { return new ArrayList<>(); } }
Interpreter.java is missing these methods in the code so make sure to add them: -print, printf: Exist, marked as variadic, call Java functions -getline and next: Exist and call SplitAndAssign -gsub, match, sub, index, length, split, substr, tolower, toupper: Exist, call Java functions, correct return Below is interpreter.java import java.util.ArrayList; import java.util.HashMap; import java.util.List; public class Interpreter { private HashMap globalVariables; private HashMap functions; private class LineManager { private List lines; private int currentLineIndex; public LineManager(List inputLines) { this.lines = inputLines; this.currentLineIndex = 0; } public boolean splitAndAssign() { if (currentLineIndex < lines.size()) { String currentLine = lines.get(currentLineIndex); currentLineIndex++; // Move to the next line return true; } return false; } } public Interpreter(ProgramNode node, String path) { globalVariables = new HashMap<>(); functions = new HashMap<>(); if (path != null) { List inputLines = readAndParseFile(path); LineManager lineManager = new LineManager(inputLines); } } private List readAndParseFile(String path) { return new ArrayList<>(); } }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Interpreter.java is missing these methods in the code so make sure to add them:
-print, printf: Exist, marked as variadic, call Java functions
-getline and next: Exist and call SplitAndAssign
-gsub, match, sub, index, length, split, substr, tolower, toupper: Exist, call Java functions, correct return
Below is interpreter.java
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class Interpreter {
private HashMap<String, InterpreterDataType> globalVariables;
private HashMap<String, FunctionDefinitionNode> functions;
private class LineManager {
private List<String> lines;
private int currentLineIndex;
public LineManager(List<String> inputLines) {
this.lines = inputLines;
this.currentLineIndex = 0;
}
public boolean splitAndAssign() {
if (currentLineIndex < lines.size()) {
String currentLine = lines.get(currentLineIndex);
currentLineIndex++; // Move to the next line
return true;
}
return false;
}
}
public Interpreter(ProgramNode node, String path) {
globalVariables = new HashMap<>();
functions = new HashMap<>();
if (path != null) {
List<String> inputLines = readAndParseFile(path);
LineManager lineManager = new LineManager(inputLines);
}
}
private List<String> readAndParseFile(String path) {
return new ArrayList<>();
}
}
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