diff options
Diffstat (limited to 'src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java')
| -rw-r--r-- | src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java b/src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java index 02db3b2..1da18f9 100644 --- a/src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java +++ b/src/main/java/org/zwobble/couscous/backends/python/PrimitiveMethods.java @@ -6,11 +6,14 @@ import java.util.Optional; import org.zwobble.couscous.ast.TypeName; import org.zwobble.couscous.backends.python.ast.PythonExpressionNode; +import org.zwobble.couscous.values.IntegerValue; import org.zwobble.couscous.values.StringValue; import com.google.common.collect.ImmutableMap; +import com.google.common.collect.ImmutableMap.Builder; import static java.util.Arrays.asList; +import static org.zwobble.couscous.backends.python.ast.PythonAttributeAccessNode.pythonAttributeAccess; import static org.zwobble.couscous.backends.python.ast.PythonCallNode.pythonCall; import static org.zwobble.couscous.backends.python.ast.PythonGetSliceNode.pythonGetSlice; import static org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode.pythonVariableReference; @@ -29,15 +32,45 @@ public class PrimitiveMethods { .build(); + private static final Map<String, PrimitiveMethodGenerator> INT_METHODS; + + static { + ImmutableMap.Builder<String, PrimitiveMethodGenerator> methods = ImmutableMap.builder(); + + addMethod(methods, "add", "__add__"); + addMethod(methods, "subtract", "__sub__"); + addMethod(methods, "multiply", "__mul__"); + addMethod(methods, "divide", "__floordiv__"); + addMethod(methods, "mod", "__mod__"); + + addMethod(methods, "greaterThan", "__gt__"); + addMethod(methods, "greaterThanOrEqual", "__ge__"); + addMethod(methods, "lessThan", "__lt__"); + addMethod(methods, "lessThanOrEqual", "__le__"); + + INT_METHODS = methods.build(); + } + + private static void addMethod( + Builder<String, PrimitiveMethodGenerator> methods, + String methodName, + String pythonMethodName) { + methods.put(methodName, (receiver, arguments) -> + pythonCall( + pythonAttributeAccess(receiver, pythonMethodName), + arguments)); + } + private static final Map<TypeName, Map<String, PrimitiveMethodGenerator>> METHODS = ImmutableMap.<TypeName, Map<String, PrimitiveMethodGenerator>>builder() .put(StringValue.REF, STRING_METHODS) + .put(IntegerValue.REF, INT_METHODS) .build(); public static boolean isPrimitive(TypeName type) { return METHODS.containsKey(type); } - + public static Optional<PrimitiveMethodGenerator> getPrimitiveMethod(TypeName type, String methodName) { return Optional.ofNullable(METHODS.get(type)) .flatMap(methodsForType -> Optional.ofNullable(methodsForType.get(methodName))); |
