claw.tatsu.primitive

Class Function

java.lang.Object

claw.tatsu.primitive.Function

public final class Function
extends java.lang.Object

Primitive transformation, test and utility for Function related action. This includes: - Find arguments in function call. - Find id in function definition or in ancestor.

Author:

clementval

Method Summary

Modifier and Type	Method and Description
static Xnode	findArg(Xnode fctCall, java.lang.String argName) Find specific argument in a function call.
static Xnode	findDecl(FfunctionDefinition fctDef, java.lang.String name) Find the declaration element in the current function definition or in parent if nested.
static Xid	findId(FfunctionDefinition fctDef, java.lang.String name) Find the id element in the current function definition or in parent function definition if nested.
static java.util.List<AssignStatement>	gatherAssignStatements(FfunctionDefinition fctDef) Gather all assignment statements in the function definition.
static PromotionInfo	readPromotionInfo(FfunctionType fctType, InsertionPosition insertionPosition) Read the promotion information stored in function type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

findArg

public static Xnode findArg(Xnode fctCall,
                            java.lang.String argName)

Find specific argument in a function call.

Parameters:

fctCall - Function call node to search in.

argName - Name of the argument to be found.

Returns:

The argument if found. Null otherwise.

findId

public static Xid findId(FfunctionDefinition fctDef,
                         java.lang.String name)

Find the id element in the current function definition or in parent function definition if nested.

Parameters:

fctDef - Function definition.

name - Id name to be searched for.

Returns:

The id if found. Null otherwise.

findDecl

public static Xnode findDecl(FfunctionDefinition fctDef,
                             java.lang.String name)

Find the declaration element in the current function definition or in parent if nested.

Parameters:

fctDef - Current function definition.

name - Declaration name to be searched for.

Returns:

The element if found. Null otherwise.

readPromotionInfo

public static PromotionInfo readPromotionInfo(FfunctionType fctType,
                                              InsertionPosition insertionPosition)

Read the promotion information stored in function type.

Parameters:

fctType - Function type to read from.

insertionPosition - Insertion position to be applied. Null to keep original insertion position.

Returns:

Promotion information object with read information.

gatherAssignStatements

public static java.util.List<AssignStatement> gatherAssignStatements(FfunctionDefinition fctDef)

Gather all assignment statements in the function definition.

Parameters:

fctDef - Function definition in which statements are gathered.

Returns:

List of assignment statement in AST order. Empty list if function definition is null or no statement found.