Class CastInstr

java.lang.Object

org.ek9lang.compiler.ir.instructions.IRInstr

org.ek9lang.compiler.ir.instructions.CastInstr

All Implemented Interfaces:

INode

public final class CastInstr
extends IRInstr

IR instruction for explicit type casting.

Used when the value on the stack needs to be cast to a different type, particularly in Scenario 2 wrapper delegation where the delegate method returns Any but the wrapper method returns a more specific type.

Format: CAST result = source, targetType

Backend translation:

• JVM: CHECKCAST target_type
• LLVM: bitcast or no-op (depending on representation)

Method Summary

Modifier and Type	Method	Description
static CastInstr	cast(String result, String source, String targetType)	Create instruction to cast source to target type and store in result (no debug info).
static CastInstr	cast(String result, String source, String targetType, DebugInfo debugInfo)	Create instruction to cast source to target type and store in result.
String	getSource()	Get the source variable name being casted.
String	getTargetType()	Get the fully qualified target type to cast to.

Methods inherited from class IRInstr

accept, addOperand, addOperands, equals, getDebugInfo, getEscapeMetaData, getOpcode, getOperands, getResult, hasEscapeMetaData, hashCode, hasResult, isControlFlow, isLabel, isMemoryManagement, isMethodCall, setEscapeMetaData, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

cast

public static CastInstr cast(String result,
 String source,
 String targetType,
 DebugInfo debugInfo)

Create instruction to cast source to target type and store in result.

Pattern: CAST result = source, targetType

Parameters:

result - The variable to store the casted result

source - The variable containing the value to cast

targetType - The fully qualified type to cast to

debugInfo - Debug information for source mapping (can be null)

Returns:

CAST instruction

cast

public static CastInstr cast(String result,
 String source,
 String targetType)

Create instruction to cast source to target type and store in result (no debug info).

Parameters:

result - The variable to store the casted result

source - The variable containing the value to cast

targetType - The fully qualified type to cast to

Returns:

CAST instruction

getSource

public String getSource()

Get the source variable name being casted.

getTargetType

public String getTargetType()

Get the fully qualified target type to cast to.