com.facebook.buck.rules.macros

Class EnvironmentVariableMacroExpander

java.lang.Object

com.facebook.buck.rules.macros.AbstractMacroExpanderWithoutPrecomputedWork<EnvMacro>

com.facebook.buck.rules.macros.EnvironmentVariableMacroExpander

All Implemented Interfaces:

MacroExpander<EnvMacro,Object>

public class EnvironmentVariableMacroExpander
extends AbstractMacroExpanderWithoutPrecomputedWork<EnvMacro>

Expands $(env XYZ) to use the appropriate shell expansion for the current platform. It does not expand the value of the environment variable in place. Rather, the intention is for the variable to be interpreted when a shell command is invoked.

Constructor Summary

Constructors

Constructor and Description
EnvironmentVariableMacroExpander(Platform platform)

Method Summary

Modifier and Type	Method and Description
StringArg	expandFrom(BuildTarget target, ActionGraphBuilder graphBuilder, EnvMacro envMacro)
Class<EnvMacro>	getInputClass()

Methods inherited from class com.facebook.buck.rules.macros.AbstractMacroExpanderWithoutPrecomputedWork

expandFrom, precomputeWorkFrom

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentVariableMacroExpander

public EnvironmentVariableMacroExpander(Platform platform)

Method Detail

getInputClass

public Class<EnvMacro> getInputClass()

Returns:

the class for the parsed macro input type.

expandFrom

public StringArg expandFrom(BuildTarget target,
                            ActionGraphBuilder graphBuilder,
                            EnvMacro envMacro)

Specified by:

expandFrom in class AbstractMacroExpanderWithoutPrecomputedWork<EnvMacro>