translator: add parsing basic types constants

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

@@ -3,15 +3,14 @@ package org.kotlinnative.translator
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiWhiteSpace
 import com.intellij.psi.impl.source.tree.LeafPsiElement
+import org.jetbrains.kotlin.KtNodeTypes
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.getNextSiblingIgnoringWhitespaceAndComments
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.calls.callUtil.getValueArgumentsInParentheses
 import org.kotlinnative.translator.llvm.*
-import org.kotlinnative.translator.llvm.types.LLVMIntType
+import org.kotlinnative.translator.llvm.types.*
-import org.kotlinnative.translator.llvm.types.LLVMType
-import org.kotlinnative.translator.llvm.types.LLVMVoidType
 import java.util.*
 
 
@@ -186,7 +185,15 @@ class FunctionCodegen(val state: TranslationState, val function: KtNamedFunction
 
     private fun evaluateConstantExpression(expr: KtConstantExpression): LLVMConstant {
         val node = expr.node
-        return LLVMConstant(node.firstChildNode.text, LLVMIntType(), pointer = false)
+
+        val type = when (node.elementType) {
+            KtNodeTypes.BOOLEAN_CONSTANT -> LLVMBooleanType()
+            KtNodeTypes.INTEGER_CONSTANT -> LLVMIntType()
+            KtNodeTypes.FLOAT_CONSTANT -> LLVMDoubleType()
+            KtNodeTypes.CHARACTER_CONSTANT -> LLVMCharType()
+            else -> throw IllegalArgumentException("Unknown type")
+        }
+        return LLVMConstant(node.firstChildNode.text, type, pointer = false)
     }
 
     private fun evaluatePsiElement(element: PsiElement, scopeDepth: Int): LLVMSingleValue? {

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

@@ -2,9 +2,14 @@ package org.kotlinnative.translator.llvm
 
 import org.kotlinnative.translator.llvm.types.LLVMType
 
-open class LLVMConstant(val value: String, override val type: LLVMType? = null, override var pointer: Boolean = false) : LLVMSingleValue(type, pointer) {
+open class LLVMConstant(value: String, override val type: LLVMType? = null, override var pointer: Boolean = false) : LLVMSingleValue(type, pointer) {
+    val value: String
+
+    init {
+        this.value = type?.parseArg(value) ?: value
+    }
 
     override fun getType(): String = type.toString() + if (pointer) "*" else "   "
 
     override fun toString(): String = value
-}
+}

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

@@ -36,6 +36,12 @@ class LLVMBooleanType() : LLVMType() {
     override fun operatorNeq(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression =
             LLVMExpression(LLVMBooleanType(), "icmp ne i1 $firstOp, $secondOp")
 
+    override fun parseArg(inputArg: String) = when(inputArg.toLowerCase()){
+        "true" -> "1"
+        "false" -> "0"
+        else -> throw IllegalArgumentException("Failed to parse boolean type")
+    }
+
     override val align = 4
     override val size: Byte = 1
 

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

@@ -15,6 +15,7 @@ abstract class LLVMType() : Cloneable {
     open fun operatorGeq(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression = throw UnimplementedException()
     open fun operatorEq(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression = throw UnimplementedException()
     open fun operatorNeq(firstOp: LLVMSingleValue, secondOp: LLVMSingleValue): LLVMExpression = throw UnimplementedException()
+    open fun parseArg(inputArg: String) = inputArg
 
     fun makeClone() = clone()
 
@@ -26,6 +27,8 @@ fun parseLLVMType(type: String): LLVMType = when (type) {
     "i32" -> LLVMIntType()
     "i16" -> LLVMShortType()
     "i8" -> LLVMCharType()
+    "i1" -> LLVMBooleanType()
+    "double" -> LLVMDoubleType()
     "Unit" -> LLVMVoidType()
     else -> LLVMReferenceType(type)
 }