Laborratte5/compiler-design-excercises
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refactor: Use strategy for CodeGenerator backend

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This makes it easier to switch between the code generator backends
which may help debugging.
This commit is contained in:
Laborratte 5 2025-05-10 01:46:13 +02:00
parent 70528858cc
commit 56536cc64b
Signed by: Laborratte5
GPG key ID: 3A30072E35202C02
3 changed files with 17 additions and 3 deletions
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6
src/main/java/edu/kit/kastel/vads/compiler/Main.java
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@ -1,6 +1,7 @@
package edu.kit.kastel.vads.compiler; package edu.kit.kastel.vads.compiler;
import edu.kit.kastel.vads.compiler.backend.aasm.CodeGenerator; import edu.kit.kastel.vads.compiler.backend.CodeGenerator;
import edu.kit.kastel.vads.compiler.backend.aasm.AasmCodeGenerator;
import edu.kit.kastel.vads.compiler.ir.IrGraph; import edu.kit.kastel.vads.compiler.ir.IrGraph;
import edu.kit.kastel.vads.compiler.ir.SsaTranslation; import edu.kit.kastel.vads.compiler.ir.SsaTranslation;
import edu.kit.kastel.vads.compiler.ir.optimize.LocalValueNumbering; import edu.kit.kastel.vads.compiler.ir.optimize.LocalValueNumbering;
@ -50,7 +51,8 @@ public class Main {
} }
// TODO: generate assembly and invoke gcc instead of generating abstract assembly // TODO: generate assembly and invoke gcc instead of generating abstract assembly
String s = new CodeGenerator().generateCode(graphs); CodeGenerator generator = new AasmCodeGenerator();
String s = generator.generateCode(graphs);
Files.writeString(output, s); Files.writeString(output, s);
} }

11
src/main/java/edu/kit/kastel/vads/compiler/backend/CodeGenerator.java Normal file
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@ -0,0 +1,11 @@
package edu.kit.kastel.vads.compiler.backend;
import java.util.List;
import edu.kit.kastel.vads.compiler.ir.IrGraph;
public interface CodeGenerator {
public String generateCode(List<IrGraph> program);
}

3
src/main/java/edu/kit/kastel/vads/compiler/backend/aasm/CodeGenerator.java → src/main/java/edu/kit/kastel/vads/compiler/backend/aasm/AasmCodeGenerator.java
View file

@ -1,5 +1,6 @@
package edu.kit.kastel.vads.compiler.backend.aasm; package edu.kit.kastel.vads.compiler.backend.aasm;
import edu.kit.kastel.vads.compiler.backend.CodeGenerator;
import edu.kit.kastel.vads.compiler.backend.regalloc.Register; import edu.kit.kastel.vads.compiler.backend.regalloc.Register;
import edu.kit.kastel.vads.compiler.ir.IrGraph; import edu.kit.kastel.vads.compiler.ir.IrGraph;
import edu.kit.kastel.vads.compiler.ir.node.AddNode; import edu.kit.kastel.vads.compiler.ir.node.AddNode;
@ -23,7 +24,7 @@ import java.util.Set;
import static edu.kit.kastel.vads.compiler.ir.util.NodeSupport.predecessorSkipProj; import static edu.kit.kastel.vads.compiler.ir.util.NodeSupport.predecessorSkipProj;
public class CodeGenerator { public class AasmCodeGenerator implements CodeGenerator {
public String generateCode(List<IrGraph> program) { public String generateCode(List<IrGraph> program) {
StringBuilder builder = new StringBuilder(); StringBuilder builder = new StringBuilder();