Compare commits
No commits in common. "3500ffd377f1b34d3dd3c0c3a77d8a41adf010e1" and "21da31dee304c26e3064e6adbcdaa473b0484be4" have entirely different histories.
3500ffd377
...
21da31dee3
2
.idea/misc.xml
generated
2
.idea/misc.xml
generated
@ -6,7 +6,7 @@
|
||||
<PerGrammarGenerationSettings>
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<option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/SimpleJava.g4" />
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<option name="autoGen" value="true" />
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||||
<option name="outputDir" value="C:\Users\ARB00075\Documents\DH\Compilerbau\NichtHaskell2.0\src\main\java" />
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<option name="outputDir" value="C:\Users\Johannes\Documents\Github\JavaCompiler\src\main\java" />
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<option name="libDir" value="" />
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<option name="encoding" value="" />
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<option name="pkg" value="parser.generated" />
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|
@ -1,6 +1,5 @@
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package ast;
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import bytecode.visitor.ProgramVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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import visitor.Visitable;
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@ -19,9 +18,4 @@ public class ProgramNode implements ASTNode, Visitable {
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public TypeCheckResult accept(SemanticVisitor visitor) {
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return visitor.analyze(this);
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}
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@Override
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||||
public void accept(ProgramVisitor programVisitor) {
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programVisitor.visit(this);
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}
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}
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|
@ -2,12 +2,10 @@ package ast.expressions.binaryexpressions;
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import ast.expressions.IExpressionNode;
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import ast.type.type.*;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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import visitor.Visitable;
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public class BinaryNode implements IExpressionNode, Visitable {
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public class BinaryNode implements IExpressionNode {
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private ITypeNode typeNode;
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@ -25,9 +23,4 @@ public class BinaryNode implements IExpressionNode, Visitable {
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public void setType(ITypeNode type) {
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this.typeNode = type;
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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}
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|
@ -1,7 +1,6 @@
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package ast.expressions.binaryexpressions;
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import ast.type.type.*;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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@ -34,10 +33,4 @@ public class CalculationNode extends BinaryNode {
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return visitor.analyze(this);
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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}
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|
@ -1,7 +1,6 @@
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package ast.expressions.binaryexpressions;
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import ast.type.type.*;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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@ -35,9 +34,4 @@ public class DotNode extends BinaryNode {
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return visitor.analyze(this);
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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}
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|
@ -4,7 +4,6 @@ import ast.expressions.unaryexpressions.MemberAccessNode;
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import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
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import ast.type.type.*;
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import ast.type.ValueNode;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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@ -37,9 +36,4 @@ public class DotSubstractionNode extends BinaryNode {
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return visitor.analyze(this);
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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}
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|
@ -3,7 +3,6 @@ package ast.expressions.binaryexpressions;
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import ast.expressions.IExpressionNode;
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import ast.expressions.unaryexpressions.UnaryNode;
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import ast.type.type.*;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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@ -43,9 +42,4 @@ public class NonCalculationNode extends BinaryNode {
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return visitor.analyze(this);
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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||||
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}
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|
@ -1,7 +1,6 @@
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package ast.expressions.unaryexpressions;
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import ast.ASTNode;
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import bytecode.visitor.MethodVisitor;
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import ast.type.type.ITypeNode;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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@ -24,10 +23,6 @@ public class MemberAccessNode implements ASTNode, Visitable {
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}
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@Override
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public void accept(MethodVisitor methodVisitor) {
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methodVisitor.visit(this);
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}
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||||
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public TypeCheckResult accept(SemanticVisitor visitor) {
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return visitor.analyze(this);
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}
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|
@ -2,26 +2,12 @@ package ast.expressions.unaryexpressions;
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import ast.ASTNode;
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import ast.expressions.IExpressionNode;
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import bytecode.visitor.MethodVisitor;
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import semantic.SemanticVisitor;
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import typechecker.TypeCheckResult;
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import visitor.Visitable;
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public class NotNode implements ASTNode, Visitable {
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public class NotNode implements ASTNode {
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public IExpressionNode expression;
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public NotNode(IExpressionNode expression) {
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this.expression = expression;
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}
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||||
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@Override
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||||
public void accept(MethodVisitor methodVisitor) {
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||||
methodVisitor.visit(this);
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||||
}
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||||
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||||
@Override
|
||||
public TypeCheckResult accept(SemanticVisitor visitor) {
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||||
return null;
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||||
}
|
||||
|
||||
}
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|
@ -4,7 +4,6 @@ import ast.expressions.IExpressionNode;
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import ast.statements.IStatementNode;
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import ast.type.type.*;
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||||
import ast.type.ValueNode;
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||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
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||||
import typechecker.TypeCheckResult;
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||||
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||||
@ -62,9 +61,4 @@ public class UnaryNode implements IExpressionNode {
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this.type = type;
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}
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||||
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||||
@Override
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||||
public void accept(MethodVisitor methodVisitor) {
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||||
methodVisitor.visit(this);
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||||
}
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||||
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||||
}
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||||
|
@ -1,11 +0,0 @@
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||||
package ast.literal;
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||||
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||||
public class BooleanLiteralNode {
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||||
private String value;
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||||
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||||
public BooleanLiteralNode(String value) {this.value = value;}
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||||
|
||||
public String getValue() {
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||||
return value;
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||||
}
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||||
}
|
@ -1,11 +0,0 @@
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||||
package ast.literal;
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||||
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||||
public class CharLiteralNode {
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||||
public String value;
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||||
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||||
public CharLiteralNode(String value) {this.value = value;}
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||||
|
||||
public String getValue() {
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||||
return value;
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||||
}
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||||
}
|
@ -1,31 +0,0 @@
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||||
package ast.literal;
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||||
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||||
import ast.expression.ExpressionNode;
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||||
import ast.type.TypeNode;
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||||
import semantic.SemanticVisitor;
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||||
import typechecker.TypeCheckResult;
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||||
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||||
public class LiteralNode implements ExpressionNode {
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||||
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||||
public String value;
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||||
private TypeNode type;
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||||
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||||
public LiteralNode(String value, TypeNode type) {
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this.value = value;
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this.type = type;
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||||
}
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||||
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||||
public TypeNode getType() {
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||||
return type;
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||||
}
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||||
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||||
public void setType(TypeNode type) {
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||||
this.type = type;
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||||
}
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||||
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||||
|
||||
@Override
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||||
public TypeCheckResult accept(SemanticVisitor visitor) {
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||||
return null;
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||||
}
|
||||
}
|
@ -3,14 +3,12 @@ package ast.members;
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||||
import ast.parameters.ParameterNode;
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import ast.statements.BlockNode;
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import ast.type.AccessModifierNode;
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||||
import bytecode.visitor.MethodVisitor;
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||||
import visitor.Visitable;
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||||
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||||
import java.util.ArrayList;
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import java.util.List;
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||||
import java.util.Objects;
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||||
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public class ConstructorNode extends MethodNode implements Visitable {
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||||
public class ConstructorNode extends MethodNode {
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||||
public AccessModifierNode accessType;
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||||
public String identifier;
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public List<ParameterNode> parameters = new ArrayList<>();
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@ -27,10 +25,6 @@ public class ConstructorNode extends MethodNode implements Visitable {
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}
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||||
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||||
@Override
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||||
public void accept(MethodVisitor methodVisitor) {
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||||
methodVisitor.visit(this);
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||||
}
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||||
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||||
public boolean isSame(MethodNode methodNode) {
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if (!(Objects.equals(this.identifier, methodNode.getIdentifier()))
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|| getParameters().size() != methodNode.getParameters().size()) {
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||||
|
@ -2,8 +2,6 @@ package ast.members;
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||||
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||||
import ast.type.AccessModifierNode;
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||||
import ast.type.type.ITypeNode;
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||||
import bytecode.visitor.ClassVisitor;
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||||
import bytecode.visitor.MethodVisitor;
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||||
import semantic.SemanticVisitor;
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||||
import typechecker.TypeCheckResult;
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||||
import visitor.Visitable;
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||||
@ -24,9 +22,4 @@ public class FieldNode implements MemberNode, Visitable {
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||||
return visitor.analyze(this);
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||||
}
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||||
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||||
@Override
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||||
public void accept(ClassVisitor classVisitor) {
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||||
classVisitor.visit(this);
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||||
}
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||||
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||||
}
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||||
|
@ -1,18 +1,10 @@
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||||
package ast.members;
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||||
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||||
import ast.statements.BlockNode;
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||||
import bytecode.visitor.MethodVisitor;
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||||
import visitor.Visitable;
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||||
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||||
public class MainMethodNode extends MethodNode implements Visitable {
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public BlockNode block;
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||||
public class MainMethodNode extends MethodNode {
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||||
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||||
public MainMethodNode(BlockNode block) {
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this.block = block;
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||||
}
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||||
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||||
@Override
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||||
public void accept(MethodVisitor methodVisitor) {
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||||
methodVisitor.visit(this);
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||||
}
|
||||
}
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||||
|
@ -21,8 +21,7 @@ public class MethodNode implements MemberNode, Visitable {
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||||
public List<ParameterNode> parameters = new ArrayList<>();
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public BlockNode block;
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||||
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||||
public MethodNode() {
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||||
}
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public MethodNode() {}
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||||
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||||
public MethodNode(String accessModifier, ITypeNode type, Boolean voidType, String identifier, BlockNode block){
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||||
this.accesModifier = new AccessModifierNode(accessModifier);
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|
@ -1,11 +0,0 @@
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||||
package ast.statement;
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||||
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||||
import ast.statements.IStatementNode;
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||||
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||||
import java.util.List;
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||||
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||||
public class BlockStatementNode {
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||||
List<IStatementNode> statements;
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||||
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||||
public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
|
||||
}
|
@ -1,7 +1,6 @@
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||||
package ast.statementexpressions;
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||||
|
||||
import ast.expressions.IExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -19,9 +18,4 @@ public class AssignNode implements IStatementExpressionNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -1,7 +1,6 @@
|
||||
package ast.statementexpressions;
|
||||
|
||||
import ast.expressions.IExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -25,9 +24,4 @@ public class NewDeclarationNode implements IStatementExpressionNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -2,10 +2,8 @@ package ast.statementexpressions.crementexpressions;
|
||||
|
||||
import ast.statementexpressions.AssignableNode;
|
||||
import ast.statementexpressions.IStatementExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
import visitor.Visitable;
|
||||
|
||||
public class DecrementNode implements IStatementExpressionNode {
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public CrementType crementType;
|
||||
@ -21,9 +19,4 @@ public class DecrementNode implements IStatementExpressionNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -2,7 +2,6 @@ package ast.statementexpressions.crementexpressions;
|
||||
|
||||
import ast.statementexpressions.AssignableNode;
|
||||
import ast.statementexpressions.IStatementExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -20,9 +19,4 @@ public class IncrementNode implements IStatementExpressionNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -2,15 +2,11 @@ package ast.statementexpressions.methodcallstatementnexpressions;
|
||||
|
||||
import ast.ASTNode;
|
||||
import ast.expressions.IExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
import visitor.Visitable;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
public class ChainedMethodNode implements ASTNode, Visitable {
|
||||
public class ChainedMethodNode implements ASTNode {
|
||||
public String identifier;
|
||||
public List<IExpressionNode> expressions = new ArrayList<>();
|
||||
|
||||
@ -21,14 +17,4 @@ public class ChainedMethodNode implements ASTNode, Visitable {
|
||||
public void addExpression(IExpressionNode expression) {
|
||||
expressions.add(expression);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public TypeCheckResult accept(SemanticVisitor visitor) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
@ -2,7 +2,6 @@ package ast.statementexpressions.methodcallstatementnexpressions;
|
||||
|
||||
import ast.expressions.IExpressionNode;
|
||||
import ast.statements.IStatementNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -33,9 +32,4 @@ public class MethodCallNode implements IStatementNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -3,7 +3,6 @@ package ast.statementexpressions.methodcallstatementnexpressions;
|
||||
import ast.ASTNode;
|
||||
import ast.expressions.unaryexpressions.MemberAccessNode;
|
||||
import ast.statementexpressions.NewDeclarationNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
import visitor.Visitable;
|
||||
@ -31,10 +30,6 @@ public class TargetNode implements ASTNode, Visitable {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
public TypeCheckResult accept(SemanticVisitor visitor) {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
@ -1,10 +0,0 @@
|
||||
package ast.statements;
|
||||
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class BlockStatementNode {
|
||||
List<IStatementNode> statements;
|
||||
|
||||
public BlockStatementNode(List<IStatementNode> statements) {this.statements = statements;}
|
||||
}
|
@ -1,5 +1,6 @@
|
||||
package ast.statements;
|
||||
|
||||
import ast.ASTNode;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
|
@ -1,5 +1,6 @@
|
||||
package ast.statements;
|
||||
|
||||
import ast.ASTNode;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
|
@ -1,5 +1,6 @@
|
||||
package ast.statements;
|
||||
|
||||
import ast.ASTNode;
|
||||
import ast.expressions.IExpressionNode;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
@ -2,7 +2,6 @@ package ast.statements;
|
||||
|
||||
import ast.expressions.IExpressionNode;
|
||||
import ast.type.type.*;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -24,9 +23,4 @@ public class LocalVariableDeclarationNode implements IStatementNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -1,7 +1,6 @@
|
||||
package ast.statements;
|
||||
|
||||
import ast.expressions.IExpressionNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
||||
@ -22,9 +21,4 @@ public class ReturnNode implements IStatementNode {
|
||||
return visitor.analyze(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -1,5 +1,6 @@
|
||||
package ast.statements;
|
||||
|
||||
import ast.ASTNode;
|
||||
import ast.expressions.IExpressionNode;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
|
@ -1,7 +1,6 @@
|
||||
package ast.type;
|
||||
|
||||
import ast.ASTNode;
|
||||
import bytecode.visitor.MethodVisitor;
|
||||
import semantic.SemanticVisitor;
|
||||
import typechecker.TypeCheckResult;
|
||||
import visitor.Visitable;
|
||||
@ -15,10 +14,6 @@ public class ValueNode implements ASTNode, Visitable {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void accept(MethodVisitor methodVisitor) {
|
||||
methodVisitor.visit(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public TypeCheckResult accept(SemanticVisitor visitor) {
|
||||
|
@ -2,78 +2,21 @@ package bytecode;
|
||||
|
||||
import ast.ProgramNode;
|
||||
import ast.ClassNode;
|
||||
import ast.members.MainMethodNode;
|
||||
import ast.members.MemberNode;
|
||||
import bytecode.visitor.ProgramVisitor;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.util.jar.JarOutputStream;
|
||||
import java.util.jar.Manifest;
|
||||
|
||||
public class ByteCodeGenerator implements ProgramVisitor {
|
||||
|
||||
private JarOutputStream jarOutputStream;
|
||||
private ByteArrayOutputStream byteArrayOutputStream;
|
||||
private String outputDirectory;
|
||||
private final String outputDirectoryPath;
|
||||
|
||||
public ByteCodeGenerator(String outputDirectory) {
|
||||
this.outputDirectory = outputDirectory;
|
||||
public ByteCodeGenerator(String outputDirectoryPath) {
|
||||
this.outputDirectoryPath = outputDirectoryPath;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(ProgramNode programNode) {
|
||||
byteArrayOutputStream = new ByteArrayOutputStream();
|
||||
try {
|
||||
Manifest manifest = new Manifest();
|
||||
manifest.getMainAttributes().putValue("Manifest-Version", "1.0");
|
||||
boolean foundMainClass = false;
|
||||
for (ClassNode classNode : programNode.classes) {
|
||||
if (foundMainClass) {
|
||||
break;
|
||||
}
|
||||
for (MemberNode memberNode : classNode.members) {
|
||||
if (memberNode instanceof MainMethodNode) {
|
||||
manifest.getMainAttributes().putValue("Main-Class", classNode.identifier);
|
||||
foundMainClass = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
jarOutputStream = new JarOutputStream(byteArrayOutputStream, manifest);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
for (ClassNode classDeclarationNode : programNode.classes) {
|
||||
ClassCodeGen classCodeGen = new ClassCodeGen(jarOutputStream, outputDirectory);
|
||||
classDeclarationNode.accept(classCodeGen);
|
||||
}
|
||||
|
||||
try {
|
||||
jarOutputStream.close();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
saveJarFile(byteArrayOutputStream.toByteArray(), "output.jar");
|
||||
}
|
||||
|
||||
private void saveJarFile(byte[] jarBytes, String jarFileName) {
|
||||
File directory = new File(outputDirectory);
|
||||
if (!directory.exists()) {
|
||||
directory.mkdirs();
|
||||
}
|
||||
|
||||
File jarFile = new File(directory, jarFileName);
|
||||
try (FileOutputStream fos = new FileOutputStream(jarFile)) {
|
||||
fos.write(jarBytes);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
// ClassCodeGen classCodeGen = new ClassCodeGen();
|
||||
// classDeclarationNode.accept(classCodeGen);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -10,31 +10,26 @@ import bytecode.visitor.ClassVisitor;
|
||||
import java.io.File;
|
||||
|
||||
import org.objectweb.asm.ClassWriter;
|
||||
import org.objectweb.asm.Opcodes;
|
||||
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.util.jar.JarEntry;
|
||||
import java.util.jar.JarOutputStream;
|
||||
|
||||
|
||||
public class ClassCodeGen implements ClassVisitor {
|
||||
private Mapper mapper;
|
||||
private ClassWriter classWriter;
|
||||
private JarOutputStream jarOutputStream;
|
||||
private String outputDirectory;
|
||||
private final String outputDirectoryPath;
|
||||
|
||||
public ClassCodeGen(JarOutputStream jarOutputStream, String outputDirectory) {
|
||||
public ClassCodeGen(String outputDirectoryPath) {
|
||||
this.outputDirectoryPath = outputDirectoryPath;
|
||||
mapper = new Mapper();
|
||||
this.jarOutputStream = jarOutputStream;
|
||||
this.outputDirectory = outputDirectory;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(ClassNode classNode) {
|
||||
classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
|
||||
classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
|
||||
"java/lang/Object", null);
|
||||
// classWriter.visit(Opcodes.V1_5, mapper.mapAccessTypeToOpcode(classNode.accessType), classNode.identifier, null,
|
||||
// "java/lang/Object", null);
|
||||
|
||||
for (MemberNode memberNode : classNode.members) {
|
||||
if (memberNode instanceof FieldNode) {
|
||||
@ -46,27 +41,28 @@ public class ClassCodeGen implements ClassVisitor {
|
||||
}
|
||||
|
||||
classWriter.visitEnd();
|
||||
writeToJar(classWriter.toByteArray(), classNode.identifier);
|
||||
printIntoClassFile(classWriter.toByteArray(), classNode.identifier, outputDirectory);
|
||||
printIntoClassFile(classWriter.toByteArray(), classNode.identifier);
|
||||
|
||||
classWriter.visitEnd();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(FieldNode fieldNode) {
|
||||
if (fieldNode.type instanceof BaseType) {
|
||||
classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar((BaseType) fieldNode.type), null, null);
|
||||
if(fieldNode.type instanceof BaseType baseTypeNode){
|
||||
// classWriter.visitField(mapper.mapAccessTypeToOpcode(fieldNode.accessTypeNode), fieldNode.identifier, mapper.getTypeChar(baseTypeNode.enumType), null, null );
|
||||
}
|
||||
classWriter.visitEnd();
|
||||
}
|
||||
|
||||
private void printIntoClassFile(byte[] byteCode, String name, String outputDirectory) {
|
||||
File directory = new File(outputDirectory);
|
||||
private void printIntoClassFile(byte[] byteCode, String name) {
|
||||
// String outputDirectoryPath = "src/main/resources/output";
|
||||
// System.out.println("Output directory path: " + outputDirectoryPath);
|
||||
File directory = new File(outputDirectoryPath);
|
||||
if (!directory.exists()) {
|
||||
directory.mkdirs();
|
||||
}
|
||||
|
||||
String filePath = outputDirectory + "/" + name + ".class";
|
||||
String filePath = outputDirectoryPath + "/" + name + ".class";
|
||||
try {
|
||||
FileOutputStream fileOutputStream = new FileOutputStream(filePath);
|
||||
fileOutputStream.write(byteCode);
|
||||
@ -75,15 +71,4 @@ public class ClassCodeGen implements ClassVisitor {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
private void writeToJar(byte[] byteCode, String className) {
|
||||
try {
|
||||
JarEntry jarEntry = new JarEntry(className + ".class");
|
||||
jarOutputStream.putNextEntry(jarEntry);
|
||||
jarOutputStream.write(byteCode);
|
||||
jarOutputStream.closeEntry();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -1,60 +1,41 @@
|
||||
package bytecode;
|
||||
|
||||
import ast.parameters.ParameterNode;
|
||||
import ast.type.*;
|
||||
import ast.type.type.BaseType;
|
||||
import ast.type.type.ReferenceType;
|
||||
import ast.type.type.TypeEnum;
|
||||
import org.objectweb.asm.Opcodes;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class Mapper {
|
||||
public int mapAccessTypeToOpcode(AccessModifierNode accessModifierNode) {
|
||||
switch (accessModifierNode.accessType) {
|
||||
case EnumAccessModifierNode.PUBLIC:
|
||||
return Opcodes.ACC_PUBLIC;
|
||||
case EnumAccessModifierNode.PRIVATE:
|
||||
return Opcodes.ACC_PRIVATE;
|
||||
case EnumAccessModifierNode.PUBLIC_STATIC:
|
||||
return Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC;
|
||||
case EnumAccessModifierNode.PRIVATE_STATIC:
|
||||
return Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
// public int mapAccessTypeToOpcode(AccessModifierNode type) {
|
||||
// switch (type.enumAccessTypeNode) {
|
||||
// case EnumAccessTypeNode.PUBLIC:
|
||||
// return Opcodes.ACC_PUBLIC;
|
||||
// case EnumAccessTypeNode.PRIVATE:
|
||||
// return Opcodes.ACC_PRIVATE;
|
||||
// }
|
||||
// return 0;
|
||||
// }
|
||||
|
||||
public String generateMethodDescriptor(BaseType type, List<ParameterNode> parameters) {
|
||||
String descriptor = "(";
|
||||
for (ParameterNode parameterNode : parameters) {
|
||||
descriptor += getTypeChar((BaseType) parameterNode.type);
|
||||
}
|
||||
descriptor += ")";
|
||||
descriptor += getTypeChar(type);
|
||||
return descriptor;
|
||||
}
|
||||
// public String generateMethodDescriptor(BaseTypeNode baseTypeNode, ParameterListNode parameterListNode) {
|
||||
// String descriptor = "(";
|
||||
// for(ParameterNode parameterNode : parameterListNode.parameters) {
|
||||
// descriptor += getTypeChar(EnumTypeNode.INT);
|
||||
// }
|
||||
// descriptor += ")";
|
||||
// descriptor += getTypeChar(baseTypeNode.enumType);
|
||||
// return descriptor;
|
||||
// }
|
||||
|
||||
public String generateMethodDescriptor(ReferenceType type, List<ParameterNode> parameters) {
|
||||
String descriptor = "()V";
|
||||
return descriptor;
|
||||
}
|
||||
|
||||
public String getTypeChar(BaseType type) {
|
||||
String typeChar = "";
|
||||
switch (type.getTypeEnum()) {
|
||||
case TypeEnum.INT:
|
||||
typeChar = "I";
|
||||
break;
|
||||
case TypeEnum.CHAR:
|
||||
typeChar = "C";
|
||||
break;
|
||||
case TypeEnum.BOOL:
|
||||
typeChar = "Z";
|
||||
break;
|
||||
case TypeEnum.VOID:
|
||||
typeChar = "V";
|
||||
break;
|
||||
}
|
||||
return typeChar;
|
||||
}
|
||||
// public String getTypeChar(TypeEnum enumTypeNode) {
|
||||
// String typeChar = "";
|
||||
// switch (enumTypeNode) {
|
||||
// case TypeEnum.INT:
|
||||
// typeChar = "I";
|
||||
// break;
|
||||
// case TypeEnum.CHAR:
|
||||
// typeChar = "C";
|
||||
// break;
|
||||
// case TypeEnum.BOOLEAN:
|
||||
// typeChar = "Z";
|
||||
// break;
|
||||
// }
|
||||
// return typeChar;
|
||||
// }
|
||||
}
|
||||
|
@ -1,28 +1,9 @@
|
||||
package bytecode;
|
||||
|
||||
import ast.expressions.binaryexpressions.*;
|
||||
import ast.expressions.unaryexpressions.MemberAccessNode;
|
||||
import ast.expressions.unaryexpressions.NotNode;
|
||||
import ast.expressions.unaryexpressions.UnaryNode;
|
||||
import ast.members.ConstructorNode;
|
||||
import ast.members.MainMethodNode;
|
||||
import ast.members.MethodNode;
|
||||
import ast.parameters.ParameterNode;
|
||||
import ast.statementexpressions.AssignNode;
|
||||
import ast.statementexpressions.NewDeclarationNode;
|
||||
import ast.statementexpressions.crementexpressions.DecrementNode;
|
||||
import ast.statementexpressions.crementexpressions.IncrementNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
|
||||
import ast.statements.*;
|
||||
import ast.type.ValueNode;
|
||||
import ast.type.type.BaseType;
|
||||
import ast.type.type.TypeEnum;
|
||||
import org.objectweb.asm.ClassWriter;
|
||||
import org.objectweb.asm.Label;
|
||||
import org.objectweb.asm.MethodVisitor;
|
||||
import org.objectweb.asm.Opcodes;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
@ -44,433 +25,70 @@ public class MethodCodeGen implements bytecode.visitor.MethodVisitor {
|
||||
localVaribales = new ArrayList<>();
|
||||
}
|
||||
|
||||
|
||||
// Method nodes
|
||||
|
||||
@Override
|
||||
public void visit(ConstructorNode constructorNode) {
|
||||
methodVisitor =
|
||||
classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.accessType),
|
||||
"<init>",
|
||||
mapper.generateMethodDescriptor(new BaseType(TypeEnum.VOID), constructorNode.parameters),
|
||||
null,
|
||||
null);
|
||||
|
||||
// methodVisitor =
|
||||
// classWriter.visitMethod(mapper.mapAccessTypeToOpcode(constructorNode.visibility),
|
||||
// "<init>",
|
||||
// "()V",
|
||||
// null,
|
||||
// null);
|
||||
methodVisitor.visitCode();
|
||||
localVaribales.add("this");
|
||||
// Add all method parameters to localVariables
|
||||
for (ParameterNode parameterNode : constructorNode.parameters) {
|
||||
localVaribales.add(parameterNode.identifier);
|
||||
}
|
||||
|
||||
methodVisitor.visitVarInsn(ALOAD, 0);
|
||||
methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
|
||||
|
||||
// Visit all statements
|
||||
for (IStatementNode statementNode : constructorNode.block.statements) {
|
||||
statementNode.accept(this);
|
||||
}
|
||||
|
||||
methodVisitor.visitMaxs(0, 0);
|
||||
methodVisitor.visitEnd();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(MainMethodNode mainMethodNode) {
|
||||
methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(mainMethodNode.accesModifier),
|
||||
mainMethodNode.getIdentifier(),
|
||||
"([Ljava/lang/String;)V",
|
||||
null,
|
||||
null);
|
||||
|
||||
methodVisitor.visitCode();
|
||||
localVaribales.add("this");
|
||||
localVaribales.add("args");
|
||||
|
||||
// Visit all statements
|
||||
for (IStatementNode statementNode : mainMethodNode.block.statements) {
|
||||
statementNode.accept(this);
|
||||
}
|
||||
|
||||
methodVisitor.visitMaxs(0, 0);
|
||||
methodVisitor.visitInsn(RETURN);
|
||||
methodVisitor.visitMaxs(1, 1);
|
||||
methodVisitor.visitEnd();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(MethodNode methodNode) {
|
||||
methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.accesModifier),
|
||||
methodNode.getIdentifier(),
|
||||
mapper.generateMethodDescriptor((BaseType) methodNode.getType(), methodNode.parameters),
|
||||
null,
|
||||
null);
|
||||
// if (methodNode.type instanceof BaseTypeNode baseTypeNode) {
|
||||
// methodVisitor = classWriter.visitMethod(mapper.mapAccessTypeToOpcode(methodNode.visibility),
|
||||
// methodNode.identifier,
|
||||
// mapper.generateMethodDescriptor(baseTypeNode, methodNode.parameters),
|
||||
// null,
|
||||
// null);
|
||||
|
||||
methodVisitor.visitCode();
|
||||
localVaribales.add("this");
|
||||
// Add all method parameters to localVariables
|
||||
for (ParameterNode parameterNode : methodNode.parameters) {
|
||||
localVaribales.add(parameterNode.identifier);
|
||||
}
|
||||
// for (ParameterNode parameterNode : methodNode.parameters.parameters) {
|
||||
// localVaribales.add(parameterNode.identifier);
|
||||
// }
|
||||
|
||||
// Visit all statements
|
||||
for (IStatementNode statementNode : methodNode.block.statements) {
|
||||
statementNode.accept(this);
|
||||
}
|
||||
|
||||
methodVisitor.visitMaxs(0, 0);
|
||||
//test();
|
||||
methodVisitor.visitMaxs(1, localVaribales.size());
|
||||
methodVisitor.visitEnd();
|
||||
// }
|
||||
}
|
||||
|
||||
|
||||
// Binary expressions
|
||||
|
||||
@Override
|
||||
public void visit(BinaryNode binaryNode) {
|
||||
binaryNode.accept(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(CalculationNode calculationNode) {
|
||||
calculationNode.dotExpression.accept(this);
|
||||
calculationNode.calculationExpression.accept(this);
|
||||
switch (calculationNode.operator) {
|
||||
case PLUS:
|
||||
methodVisitor.visitInsn(IADD);
|
||||
break;
|
||||
case MINUS:
|
||||
methodVisitor.visitInsn(ISUB);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(DotNode dotNode) {
|
||||
dotNode.dotExpression.accept(this);
|
||||
dotNode.dotSubstractionExpression.accept(this);
|
||||
switch (dotNode.operator) {
|
||||
case DIV:
|
||||
methodVisitor.visitInsn(IDIV);
|
||||
break;
|
||||
case MULT:
|
||||
methodVisitor.visitInsn(IMUL);
|
||||
break;
|
||||
case MOD:
|
||||
methodVisitor.visitInsn(IREM);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(DotSubstractionNode dotSubstractionNode) {
|
||||
if (dotSubstractionNode.value != null) {
|
||||
dotSubstractionNode.value.accept(this);
|
||||
} else if (dotSubstractionNode.identifier != null) {
|
||||
methodVisitor.visitVarInsn(ILOAD, localVaribales.indexOf(dotSubstractionNode.identifier));
|
||||
} else if (dotSubstractionNode.memberAccess != null) {
|
||||
dotSubstractionNode.memberAccess.accept(this);
|
||||
} else if (dotSubstractionNode.methodCall != null) {
|
||||
dotSubstractionNode.methodCall.accept(this);
|
||||
} else if (dotSubstractionNode.calculationExpression != null) {
|
||||
dotSubstractionNode.calculationExpression.accept(this);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(NonCalculationNode nonCalculationNode) {
|
||||
Label labelFalse = new Label();
|
||||
Label labelTrue = new Label();
|
||||
switch (nonCalculationNode.operator) {
|
||||
case AND:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IFEQ, labelFalse); // Value compared to 0 (false)
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IFEQ, labelFalse);
|
||||
break;
|
||||
case OR:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IFNE, labelTrue);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IFEQ, labelFalse);
|
||||
break;
|
||||
case GREATER:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IF_ICMPLE, labelFalse);
|
||||
break;
|
||||
case LESS:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IF_ICMPGE, labelFalse);
|
||||
break;
|
||||
case GREATER_EQUAL:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IF_ICMPLT, labelFalse);
|
||||
break;
|
||||
case LESS_EQUAL:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IF_ICMPGT, labelFalse);
|
||||
break;
|
||||
case EQUAL:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
|
||||
methodVisitor.visitJumpInsn(IF_ICMPNE, labelFalse);
|
||||
} else {
|
||||
methodVisitor.visitJumpInsn(IF_ACMPNE, labelFalse);
|
||||
}
|
||||
break;
|
||||
case NOT_EQUAL:
|
||||
nonCalculationNode.unaryExpression.accept(this);
|
||||
nonCalculationNode.expression.accept(this);
|
||||
if (nonCalculationNode.unaryExpression.getType() instanceof BaseType && nonCalculationNode.expression.getType() instanceof BaseType) {
|
||||
methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
|
||||
} else {
|
||||
methodVisitor.visitJumpInsn(IF_ACMPEQ, labelFalse);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
Label labelEndLogicalExpression = new Label();
|
||||
|
||||
methodVisitor.visitLabel(labelTrue);
|
||||
methodVisitor.visitInsn(ICONST_1); // true
|
||||
methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
|
||||
|
||||
methodVisitor.visitLabel(labelFalse);
|
||||
methodVisitor.visitInsn(ICONST_0); // false
|
||||
|
||||
methodVisitor.visitLabel(labelEndLogicalExpression);
|
||||
}
|
||||
|
||||
|
||||
// Unary expressions
|
||||
|
||||
@Override
|
||||
public void visit(MemberAccessNode memberAccessNode) {
|
||||
if (memberAccessNode.thisExpr) {
|
||||
//methodVisitor.visitFieldInsn(PUTFIELD);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(NotNode notNode) {
|
||||
Label labelFalse = new Label();
|
||||
Label labelTrue = new Label();
|
||||
|
||||
notNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(Opcodes.IFNE, labelFalse); // false if value is true (value != 0)
|
||||
|
||||
Label labelEndLogicalExpression = new Label();
|
||||
|
||||
methodVisitor.visitLabel(labelTrue);
|
||||
methodVisitor.visitInsn(ICONST_1); // true
|
||||
methodVisitor.visitJumpInsn(GOTO, labelEndLogicalExpression);
|
||||
|
||||
methodVisitor.visitLabel(labelFalse);
|
||||
methodVisitor.visitInsn(ICONST_0); // false
|
||||
|
||||
methodVisitor.visitLabel(labelEndLogicalExpression);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(UnaryNode unaryNode) {
|
||||
|
||||
}
|
||||
|
||||
|
||||
// Statements
|
||||
|
||||
@Override
|
||||
public void visit(IfElseNode ifElseNode) {
|
||||
Label elseLabel = new Label();
|
||||
|
||||
Label[] elseIfLabels = new Label[ifElseNode.elseIfStatements.size()];
|
||||
for(int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
|
||||
elseIfLabels[i] = new Label();
|
||||
}
|
||||
|
||||
ifElseNode.ifStatement.expression.accept(this);
|
||||
if (ifElseNode.elseIfStatements.isEmpty()) {
|
||||
// No else if
|
||||
methodVisitor.visitJumpInsn(IFEQ, elseLabel);
|
||||
} else {
|
||||
// else if statements
|
||||
methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[0]);
|
||||
}
|
||||
ifElseNode.ifStatement.block.accept(this); // accept if block
|
||||
|
||||
Label endLabel = new Label();
|
||||
methodVisitor.visitJumpInsn(GOTO, endLabel);
|
||||
|
||||
for(int i = 0; i < ifElseNode.elseIfStatements.size(); i++) {
|
||||
methodVisitor.visitLabel(elseIfLabels[i]);
|
||||
ifElseNode.elseIfStatements.get(i).expression.accept(this);
|
||||
if(i + 1 < elseIfLabels.length) {
|
||||
// at least one more else if
|
||||
methodVisitor.visitJumpInsn(IFEQ, elseIfLabels[i+1]);
|
||||
} else {
|
||||
methodVisitor.visitJumpInsn(IFEQ, elseLabel);
|
||||
}
|
||||
ifElseNode.elseIfStatements.get(i).block.accept(this);
|
||||
methodVisitor.visitJumpInsn(GOTO, endLabel);
|
||||
}
|
||||
|
||||
if(ifElseNode.elseStatement != null) {
|
||||
methodVisitor.visitLabel(elseLabel);
|
||||
ifElseNode.elseStatement.block.accept(this);
|
||||
}
|
||||
|
||||
methodVisitor.visitLabel(endLabel);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(LocalVariableDeclarationNode localVariableDeclarationNode) {
|
||||
// Process expression
|
||||
localVariableDeclarationNode.expression.accept(this);
|
||||
// Store result of expression in variable
|
||||
methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(localVariableDeclarationNode.identifier));
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(AssignNode assignNode) {
|
||||
// Process expression
|
||||
assignNode.expression.accept(this);
|
||||
// Store result of expression in variable
|
||||
if (assignNode.assignable.memberAccess.thisExpr) {
|
||||
// Global var
|
||||
// /methodVisitor.visitFieldInsn(PUTFIELD, identifierExpressionNode.name, identifierExpressionNode1.name, mapper.getTypeChar(((BaseTypeNode) type).enumType));
|
||||
} else {
|
||||
// Local var
|
||||
methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(assignNode.assignable.identifier));
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(NewDeclarationNode newDeclarationNode) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(ValueNode valueNode) {
|
||||
switch (valueNode.valueType) {
|
||||
case INT_VALUE:
|
||||
int intValue = Integer.parseInt(valueNode.value);
|
||||
if (intValue >= Byte.MIN_VALUE && intValue <= Byte.MAX_VALUE) { // load int as byte
|
||||
methodVisitor.visitIntInsn(BIPUSH, intValue);
|
||||
} else if (intValue >= Short.MIN_VALUE && intValue <= Short.MAX_VALUE) { // load int as short
|
||||
methodVisitor.visitIntInsn(SIPUSH, intValue);
|
||||
} else { // load int as const
|
||||
methodVisitor.visitLdcInsn(intValue);
|
||||
}
|
||||
break;
|
||||
case BOOLEAN_VALUE:
|
||||
if (valueNode.value.equals("true")) {
|
||||
methodVisitor.visitInsn(ICONST_1);
|
||||
} else {
|
||||
methodVisitor.visitInsn(ICONST_0);
|
||||
}
|
||||
break;
|
||||
case CHAR_VALUE:
|
||||
char charValue = valueNode.value.charAt(0);
|
||||
if (charValue <= Byte.MAX_VALUE) { // load char as byte
|
||||
methodVisitor.visitIntInsn(BIPUSH, charValue);
|
||||
} else if (charValue <= Short.MAX_VALUE) { // load char as short
|
||||
methodVisitor.visitIntInsn(SIPUSH, charValue);
|
||||
} else { // load char as const
|
||||
methodVisitor.visitLdcInsn(charValue);
|
||||
}
|
||||
break;
|
||||
case NULL_VALUE:
|
||||
methodVisitor.visitInsn(ACONST_NULL);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(ReturnNode returnNode) {
|
||||
if (returnNode.voidReturn) { // Return nothing
|
||||
methodVisitor.visitInsn(RETURN);
|
||||
} else { // Return something
|
||||
// Process expression
|
||||
returnNode.expression.accept(this);
|
||||
// Return result of expression
|
||||
methodVisitor.visitInsn(IRETURN);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void visit(WhileNode whileNode) {
|
||||
Label loopLabel = new Label();
|
||||
Label endOfLoopLabel = new Label();
|
||||
|
||||
methodVisitor.visitLabel(loopLabel);
|
||||
// while loop
|
||||
whileNode.expression.accept(this);
|
||||
methodVisitor.visitJumpInsn(IFEQ, endOfLoopLabel); // if condition is false, jump out of loop
|
||||
|
||||
whileNode.block.accept(this);
|
||||
methodVisitor.visitJumpInsn(GOTO, loopLabel);
|
||||
|
||||
methodVisitor.visitLabel(endOfLoopLabel);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(DecrementNode decrementNode) {
|
||||
switch (decrementNode.crementType) {
|
||||
case PREFIX: // --i
|
||||
if (decrementNode.assignableExpression.memberAccess == null) { // local Var
|
||||
methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), -1);
|
||||
} else { // Field or var from other object
|
||||
|
||||
}
|
||||
break;
|
||||
case SUFFIX: // i--
|
||||
if (decrementNode.assignableExpression.memberAccess == null) { // local Var
|
||||
methodVisitor.visitIincInsn(localVaribales.indexOf(decrementNode.assignableExpression.identifier), -1);
|
||||
} else { // Field or var from other object
|
||||
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(IncrementNode incrementNode) {
|
||||
switch (incrementNode.crementType) {
|
||||
case PREFIX: // ++i
|
||||
if (incrementNode.assignableExpression.memberAccess == null) { // local Var
|
||||
methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
|
||||
methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(incrementNode.assignableExpression.identifier));
|
||||
|
||||
} else { // Field or var from other object
|
||||
|
||||
}
|
||||
break;
|
||||
case SUFFIX: // i++
|
||||
if (incrementNode.assignableExpression.memberAccess == null) { // local Var
|
||||
methodVisitor.visitVarInsn(ISTORE, localVaribales.indexOf(incrementNode.assignableExpression.identifier));
|
||||
methodVisitor.visitIincInsn(localVaribales.indexOf(incrementNode.assignableExpression.identifier), 1);
|
||||
} else { // Field or var from other object
|
||||
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(ChainedMethodNode chainedMethodNode) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(MethodCallNode methodCallNode) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void visit(TargetNode targetNode) {
|
||||
|
||||
}
|
||||
// public void test() {
|
||||
// Label start = new Label();
|
||||
// Label loop = new Label();
|
||||
// Label end = new Label();
|
||||
// methodVisitor.visitLabel(start);
|
||||
// //methodVisitor.visitVarInsn(Opcodes.ICONST_M1, 99);
|
||||
// //methodVisitor.visitInsn(Opcodes.ICONST_5);
|
||||
// methodVisitor.visitLdcInsn(99);
|
||||
// // methodVisitor.visitInsn(Opcodes.ICONST_0);
|
||||
// //methodVisitor.visitVarInsn(Opcodes.ILOAD, 2);
|
||||
// methodVisitor.visitVarInsn(Opcodes.ISTORE, 1);
|
||||
// methodVisitor.visitLabel(loop);
|
||||
// methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
|
||||
// methodVisitor.visitInsn(Opcodes.ICONST_5);
|
||||
// methodVisitor.visitJumpInsn(Opcodes.IF_ICMPGE, end);
|
||||
// methodVisitor.visitFieldInsn(Opcodes.GETSTATIC,
|
||||
// "java/lang/System", "out",
|
||||
// "Ljava/io/PrintStream;");
|
||||
// methodVisitor.visitLdcInsn("Bytecode");
|
||||
// methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
|
||||
// "java/io/PrintStream", "println",
|
||||
// "(Ljava/lang/String;)V", false);
|
||||
// methodVisitor.visitIincInsn(1, 1);
|
||||
// methodVisitor.visitJumpInsn(Opcodes.GOTO, loop);
|
||||
// methodVisitor.visitLabel(end);
|
||||
// methodVisitor.visitVarInsn(Opcodes.ILOAD, 1);
|
||||
// methodVisitor.visitInsn(Opcodes.IRETURN);
|
||||
// methodVisitor.visitEnd();
|
||||
// }
|
||||
}
|
||||
|
@ -1,60 +1,9 @@
|
||||
package bytecode.visitor;
|
||||
|
||||
import ast.expressions.binaryexpressions.*;
|
||||
import ast.expressions.unaryexpressions.MemberAccessNode;
|
||||
import ast.expressions.unaryexpressions.NotNode;
|
||||
import ast.expressions.unaryexpressions.UnaryNode;
|
||||
import ast.members.ConstructorNode;
|
||||
import ast.members.MainMethodNode;
|
||||
import ast.members.MethodNode;
|
||||
import ast.statementexpressions.AssignNode;
|
||||
import ast.statementexpressions.AssignableNode;
|
||||
import ast.statementexpressions.NewDeclarationNode;
|
||||
import ast.statementexpressions.crementexpressions.DecrementNode;
|
||||
import ast.statementexpressions.crementexpressions.IncrementNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.ChainedMethodNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
|
||||
import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
|
||||
import ast.statements.*;
|
||||
import ast.type.ValueNode;
|
||||
|
||||
public interface MethodVisitor {
|
||||
// members
|
||||
void visit(ConstructorNode constructorNode);
|
||||
void visit(MethodNode methodNode);
|
||||
void visit(MainMethodNode mainMethodNode);
|
||||
|
||||
// Binary expressions
|
||||
void visit(BinaryNode binaryNode);
|
||||
void visit(CalculationNode calculationNode);
|
||||
void visit(DotNode dotNode);
|
||||
void visit(DotSubstractionNode dotSubstractionNode);
|
||||
void visit(NonCalculationNode nonCalculationNode);
|
||||
|
||||
// Unary expressions
|
||||
void visit(MemberAccessNode memberAccessNode);
|
||||
void visit(NotNode notExpressionNode);
|
||||
void visit(UnaryNode unaryExpressionNode);
|
||||
|
||||
// statements
|
||||
void visit(IfElseNode ifElseNode);
|
||||
|
||||
void visit(LocalVariableDeclarationNode localVariableDeclarationNode);
|
||||
void visit(ReturnNode returnNode);
|
||||
void visit(WhileNode whileNode);
|
||||
|
||||
// statement expression
|
||||
void visit(DecrementNode decrementNode);
|
||||
void visit(IncrementNode incrementNode);
|
||||
|
||||
void visit(ChainedMethodNode chainedMethodNode);
|
||||
void visit(MethodCallNode methodCallNode);
|
||||
void visit(TargetNode targetNode);
|
||||
|
||||
void visit(AssignNode assignNode);
|
||||
void visit(NewDeclarationNode newDeclarationNode);
|
||||
|
||||
// type
|
||||
void visit(ValueNode valueNode);
|
||||
|
||||
}
|
||||
|
@ -9,25 +9,42 @@ public class AllFeaturesClassExample {
|
||||
this.b = b;
|
||||
this.c = c;
|
||||
}
|
||||
private class InnerClass {
|
||||
void innerMethod() {
|
||||
System.out.println("Inner class method");
|
||||
}
|
||||
}
|
||||
|
||||
// Methode zur Demonstration von Kontrollstrukturen
|
||||
void controlStructures() {
|
||||
// if-else Anweisung
|
||||
if (a > 10) {
|
||||
// System.out.println("a ist größer als 10");
|
||||
System.out.println("a ist größer als 10");
|
||||
} else {
|
||||
// System.out.println("a ist nicht größer als 10");
|
||||
System.out.println("a ist nicht größer als 10");
|
||||
}
|
||||
|
||||
// while Schleife
|
||||
while (a > 0) {
|
||||
// System.out.println("a ist " + a);
|
||||
System.out.println("a ist " + a);
|
||||
a--;
|
||||
}
|
||||
|
||||
// for Schleife
|
||||
for (int i = 0; i < 5; i++) {
|
||||
// System.out.println("for Schleife Iteration: " + i);
|
||||
System.out.println("for Schleife Iteration: " + i);
|
||||
}
|
||||
|
||||
// switch Anweisung
|
||||
switch (c) {
|
||||
case 'a':
|
||||
System.out.println("c ist ein 'a'");
|
||||
break;
|
||||
case 'b':
|
||||
System.out.println("c ist ein 'b'");
|
||||
break;
|
||||
default:
|
||||
System.out.println("c ist nicht 'a' oder 'b'");
|
||||
}
|
||||
}
|
||||
|
||||
@ -35,28 +52,15 @@ public class AllFeaturesClassExample {
|
||||
void logicalOperations() {
|
||||
// Logische UND-Operation
|
||||
if (b && a > 5) {
|
||||
// System.out.println("a ist größer als 5 und b ist wahr");
|
||||
System.out.println("a ist größer als 5 und b ist wahr");
|
||||
}
|
||||
|
||||
// Logische ODER-Operation
|
||||
if (b || a < 5) {
|
||||
// System.out.println("b ist wahr oder a ist kleiner als 5");
|
||||
System.out.println("b ist wahr oder a ist kleiner als 5");
|
||||
}
|
||||
}
|
||||
|
||||
void mathOperations() {
|
||||
// Addition
|
||||
int sum = a + 5;
|
||||
// Subtraktion
|
||||
int difference = a - 5;
|
||||
// Multiplikation
|
||||
int product = a * 5;
|
||||
// Division
|
||||
int quotient = a / 5;
|
||||
// Modulo
|
||||
int remainder = a % 5;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
AllFeaturesClassExample obj = new AllFeaturesClassExample(12, true, 'a');
|
||||
obj.controlStructures();
|
||||
|
Loading…
Reference in New Issue
Block a user