translator: add primitive types and basic for operators.

translator/src/main/kotlin/org/kotlinnative/translator/FunctionCodegen.kt

@@ -14,6 +14,7 @@ import org.kotlinnative.translator.llvm.LLVMBuilder
 import org.kotlinnative.translator.llvm.LLVMDescriptorGenerate
 import org.kotlinnative.translator.llvm.LLVMMapStandardType
 import org.kotlinnative.translator.llvm.LLVMVariable
+import org.kotlinnative.translator.llvm.types.LLVMIntType
 import org.kotlinnative.translator.utils.FunctionArgument
 
 
@@ -84,7 +85,7 @@ class FunctionCodegen(val state: TranslationState, val function: KtNamedFunction
 
     private fun evaluateConstantExpression(expr: KtConstantExpression): LLVMVariable {
         val node = expr.node
-        return LLVMVariable(node.firstChildNode.text)
+        return LLVMVariable(node.firstChildNode.text, ::LLVMIntType.invoke())
     }
 
     private fun evaluatePsiElement(element: PsiElement): LLVMVariable? {
@@ -99,7 +100,7 @@ class FunctionCodegen(val state: TranslationState, val function: KtNamedFunction
     private fun evaluateLeafPsiElement(element: LeafPsiElement): LLVMVariable? {
         return when (element.elementType) {
             KtTokens.RETURN_KEYWORD -> evaluateReturnInstruction(element)
-            else -> LLVMVariable("")
+            else -> null
         }
     }
 

translator/src/main/kotlin/org/kotlinnative/translator/llvm/LLVMBuilder.kt

@@ -2,14 +2,17 @@ package org.kotlinnative.translator.llvm
 
 import com.intellij.psi.tree.IElementType
 import org.jetbrains.kotlin.lexer.KtTokens
+import org.kotlinnative.translator.llvm.types.LLVMIntType
+import org.kotlinnative.translator.llvm.types.LLVMType
+import kotlin.reflect.KFunction0
 
 class LLVMBuilder {
     private var llvmCode: StringBuilder = StringBuilder()
     private var variableCount = 0
 
-    private fun getNewVariable(): LLVMVariable {
+    fun getNewVariable(type: KFunction0<LLVMType>?): LLVMVariable {
         variableCount++
-        return LLVMVariable("%var$variableCount")
+        return LLVMVariable("%var$variableCount", type?.invoke())
     }
 
     fun addLLVMCode(code: String) {
@@ -25,7 +28,7 @@ class LLVMBuilder {
     }
 
     fun addPrimitiveBinaryOperation(operation: IElementType, firstOp: LLVMVariable, secondOp: LLVMVariable): LLVMVariable {
-        val newVar = getNewVariable()
+        val newVar = getNewVariable(::LLVMIntType)
         val llvmOperator = when (operation) {
             KtTokens.PLUS -> "add nsw i32"
             KtTokens.MINUS -> "sub nsw i32"

translator/src/main/kotlin/org/kotlinnative/translator/llvm/LLVMExpression.kt

@@ -0,0 +1,12 @@
+package org.kotlinnative.translator.llvm
+
+import org.kotlinnative.translator.llvm.types.LLVMType
+import kotlin.reflect.KFunction0
+
+class LLVMExpression(val variableType: KFunction0<LLVMType>, val llvmCode: String) : LLVMNode() {
+    fun generateExpression(builder: LLVMBuilder): LLVMVariable {
+        val newVar = builder.getNewVariable(variableType);
+        builder.addLLVMCode("%$newVar = $llvmCode");
+        return newVar
+    }
+}

translator/src/main/kotlin/org/kotlinnative/translator/llvm/LLVMNode.kt

@@ -0,0 +1,3 @@
+package org.kotlinnative.translator.llvm
+
+abstract class LLVMNode

translator/src/main/kotlin/org/kotlinnative/translator/llvm/LLVMVariable.kt

@@ -1,6 +1,9 @@
 package org.kotlinnative.translator.llvm
 
-data class LLVMVariable(val label: String){
+import org.kotlinnative.translator.llvm.types.LLVMType
+
+class LLVMVariable(val label: String, val type: LLVMType?) : LLVMNode() {
+
     override fun toString(): String {
         return label
     }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMIntType.kt

@@ -0,0 +1,13 @@
+package org.kotlinnative.translator.llvm.types
+
+import org.kotlinnative.translator.llvm.LLVMExpression
+import org.kotlinnative.translator.llvm.LLVMVariable
+
+
+class LLVMIntType() : LLVMType() {
+    override fun operatorPlus(result: LLVMVariable, firstOp: LLVMVariable, secondOp: LLVMVariable): LLVMExpression {
+        //TODO switch by types: int + double = int
+        return LLVMExpression(::LLVMIntType, "add nsw i32 $firstOp, $secondOp")
+    }
+
+}

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMType.kt

@@ -0,0 +1,8 @@
+package org.kotlinnative.translator.llvm.types;
+
+import org.kotlinnative.translator.llvm.LLVMExpression
+import org.kotlinnative.translator.llvm.LLVMVariable
+
+abstract class LLVMType() {
+    abstract fun operatorPlus(result: LLVMVariable, firstOp: LLVMVariable, secondOp: LLVMVariable): LLVMExpression;
+}

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMTypes.kt

@@ -0,0 +1,9 @@
+package org.kotlinnative.translator.llvm.types
+
+//TODO skeleton for typeList
+
+enum class LLVMTypes {
+    int, double, float, char
+}
+
+val typesMap = mapOf(Pair(LLVMTypes.int, ::LLVMIntType));