diff options
Diffstat (limited to 'code/simpleSableCCCalulator/sableCCCalculator')
3 files changed, 187 insertions, 0 deletions
diff --git a/code/simpleSableCCCalulator/sableCCCalculator/Compiler.java b/code/simpleSableCCCalulator/sableCCCalculator/Compiler.java new file mode 100644 index 0000000..7430cfe --- /dev/null +++ b/code/simpleSableCCCalulator/sableCCCalculator/Compiler.java @@ -0,0 +1,27 @@ +package sableCCCalculator; +import sableCCCalculator.parser.*; +import sableCCCalculator.lexer.*; +import sableCCCalculator.node.*; +import java.io.*; + +public class Compiler +{ + public static void main(String[] args) + { + try + { + System.out.println("Using source file: " + args[0]); + // Create a Parser instance. + Parser p = new Parser(new Lexer(new PushbackReader(new InputStreamReader(new FileInputStream(args[0])), 1024))); + // Parse the input. + Start tree = p.parse(); + // Apply the translation. + tree.apply(new Translation()); + System.out.println(""); + } + catch(Exception e) + { + System.out.println(e.getMessage()); + } + } +}
\ No newline at end of file diff --git a/code/simpleSableCCCalulator/sableCCCalculator/ProgramStack.java b/code/simpleSableCCCalulator/sableCCCalculator/ProgramStack.java new file mode 100644 index 0000000..1875e57 --- /dev/null +++ b/code/simpleSableCCCalulator/sableCCCalculator/ProgramStack.java @@ -0,0 +1,28 @@ +package sableCCCalculator; +import sableCCCalculator.node.*; +import java.util.Stack; + +public class ProgramStack<T extends Token> extends Stack<T> { + + public String toString() { + String out = "Stack is now: ["; + for (int i = 0; i < this.size(); i++) { + String theStr = this.elementAt(i).toString(); + out += String.format("%s, ", theStr.substring(0, theStr.length() - 1)); + } + return out.substring(0, out.length() - 2) + "]"; + } + + public static void main(String[] args) { + ProgramStack<Token> myStack = new ProgramStack<>(); + myStack.add(new TNumber("2")); + myStack.add(new TNumber("4")); + myStack.add(new TNumber("6")); + myStack.add(new TNumber("0")); + myStack.add(new TNumber("1")); + myStack.add(new TDouble("24601.10642")); + + System.out.println(myStack.pop().getText()); + System.out.println(myStack); + } +} diff --git a/code/simpleSableCCCalulator/sableCCCalculator/Translation.java b/code/simpleSableCCCalulator/sableCCCalculator/Translation.java new file mode 100644 index 0000000..d8fd74d --- /dev/null +++ b/code/simpleSableCCCalulator/sableCCCalculator/Translation.java @@ -0,0 +1,132 @@ +package sableCCCalculator; +import sableCCCalculator.analysis.*; +import sableCCCalculator.node.*; + +class Translation extends DepthFirstAdapter +{ + private ProgramStack<Token> programStack = new ProgramStack<>(); + + public void caseTNumber(TNumber node) + { + System.out.println("Pushing " + Integer.parseInt(node.getText()) + " to stack"); + programStack.push(node); + System.out.println(programStack); + } + + public void caseTDouble(TDouble node) + { + System.out.println("Pushing a double: " + Double.parseDouble(node.getText())); + programStack.push(node); + System.out.println(programStack); + } + + public void outASineTerm(ASineTerm node) + { + Double num = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num); + Double out = Math.sin(Math.toRadians(num)); + programStack.push(new TDouble(String.format("%f", out))); + System.out.println("Pushed sin(" + num + ") = " + out + " to stack"); + System.out.println(programStack); + } + + public void outAPlusExpr(APlusExpr node) + { + Double num2 = Double.parseDouble(programStack.pop().getText()); + Double num1 = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num1 + " and " + num2 + " from stack"); + Double out = num1 + num2; + if ((out % 1) == 0) + { + // the output is an integer, change types to save memory + programStack.push(new TNumber(String.format("%d", out.intValue()))); + } + else + { + programStack.push(new TDouble(String.format("%f", out))); + } + + System.out.println("Pushed " + num1 + "+" + num2 + "=" + out + " to stack"); + System.out.println(programStack); + } + + public void outAMinusExpr(AMinusExpr node) + { + Double num2 = Double.parseDouble(programStack.pop().getText()); + Double num1 = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num1 + " and " + num2 + " from stack"); + Double out = num1 - num2; + if ((out % 1) == 0) + { + // the output is an integer, change types to save memory + programStack.push(new TNumber(String.format("%d", out.intValue()))); + } + else + { + programStack.push(new TDouble(String.format("%f", out))); + } + + System.out.println("Pushed " + num1 + "-" + num2 + "=" + out + " to stack"); + System.out.println(programStack); + } + + public void outAMultFactor(AMultFactor node) + { + Double num2 = Double.parseDouble(programStack.pop().getText()); + Double num1 = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num1 + " and " + num2 + " from stack"); + Double out = num1 * num2; + if ((out % 1) == 0) + { + // the output is an integer, change types to save memory + programStack.push(new TNumber(String.format("%d", out.intValue()))); + } + else + { + programStack.push(new TDouble(String.format("%f", out))); + } + + System.out.println("Pushed " + num1 + "*" + num2 + "=" + out + " to stack"); + System.out.println(programStack); + } + + public void outADivFactor(ADivFactor node) + { + Double num2 = Double.parseDouble(programStack.pop().getText()); + Double num1 = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num1 + " and " + num2 + " from stack"); + Double out = num1 / num2; + if ((out % 1) == 0) + { + // the output is an integer, change types to save memory + programStack.push(new TNumber(String.format("%d", out.intValue()))); + } + else + { + programStack.push(new TDouble(String.format("%f", out))); + } + + System.out.println("Pushed " + num1 + "/" + num2 + "=" + out + " to stack"); + System.out.println(programStack); + } + + public void outAModFactor(AModFactor node) + { + Double num2 = Double.parseDouble(programStack.pop().getText()); + Double num1 = Double.parseDouble(programStack.pop().getText()); + System.out.println("Popped " + num1 + " and " + num2 + " from stack"); + Double out = num1 % num2; + if ((out % 1) == 0) + { + // the output is an integer, change types to save memory + programStack.push(new TNumber(String.format("%d", out.intValue()))); + } + else + { + programStack.push(new TDouble(String.format("%f", out))); + } + + System.out.println("Pushed " + num1 + "%" + num2 + "=" + out + " to stack"); + System.out.println(programStack); + } +} |