From 594488a5ac0edef9074ed8957c65137cee453e37 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 11 Jun 2023 23:01:47 +0100
Subject: Compile push-bool instruction to LLVM IR

---
 .../compiler/backends/llvm/LlvmCompiler.java       | 23 +++++++++++++-----
 .../backends/llvm/LlvmCompilerContext.java         | 28 +++++++++++++++++++++-
 2 files changed, 44 insertions(+), 7 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
index 8921ad8d..be5dbf8c 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompiler.java
@@ -1,37 +1,48 @@
 package org.shedlang.compiler.backends.llvm;
 
+import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperandInt;
 import org.shedlang.compiler.stackir.instructions.*;
 import org.shedlang.compiler.types.NamespaceName;
 
 import java.util.List;
 
 public class LlvmCompiler {
-    public void compileNamespace(NamespaceName namespaceName, List<Instruction> instructions) {
+    public static void compileNamespace(NamespaceName namespaceName, List<Instruction> instructions) {
 
     }
 
-    public void compileInstruction(Instruction instruction) {
-        switch (instruction) {
+    public static LlvmCompilerContext compileInstruction(Instruction instruction, LlvmCompilerContext context) {
+        return switch (instruction) {
             case CallInstruction callInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case DefineFunctionInstruction defineFunctionInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case DiscardInstruction discardInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case LocalLoadInstruction localLoadInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case LocalStoreInstruction localStoreInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case ModuleExportInstruction moduleExportInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
-            case PushBoolInstruction pushBoolInstruction -> {
-            }
+            case PushBoolInstruction pushBool ->
+                context.push(new LlvmOperandInt(pushBool.value() ? 1 : 0));
+
             case PushIntInstruction pushIntInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case PushStringInstruction pushStringInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
             case PushUnitInstruction pushUnitInstruction -> {
+                throw new UnsupportedOperationException("TODO");
             }
-        }
+        };
     }
 }
diff --git a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompilerContext.java b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompilerContext.java
index 924b9091..6d917e49 100644
--- a/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompilerContext.java
+++ b/src/main/java/org/shedlang/compiler/backends/llvm/LlvmCompilerContext.java
@@ -1,4 +1,30 @@
 package org.shedlang.compiler.backends.llvm;
 
-public class LlvmCompilerContext {
+import org.pcollections.Empty;
+import org.pcollections.PVector;
+import org.shedlang.compiler.backends.llvm.ir.ast.instructions.LlvmInstruction;
+import org.shedlang.compiler.backends.llvm.ir.ast.operands.LlvmOperand;
+
+public record LlvmCompilerContext(
+    PVector<LlvmOperand> stack,
+    PVector<LlvmInstruction> instructions
+) {
+    public static LlvmCompilerContext EMPTY = new LlvmCompilerContext(
+        Empty.vector(),
+        Empty.vector()
+    );
+
+    public LlvmCompilerContext addInstruction(LlvmInstruction instruction) {
+        return new LlvmCompilerContext(
+            stack,
+            instructions.plus(instruction)
+        );
+    }
+
+    public LlvmCompilerContext push(LlvmOperand operand) {
+        return new LlvmCompilerContext(
+            stack.plus(operand),
+            instructions
+        );
+    }
 }
-- 
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