CompilerOptions (Closure Compiler v20160517 API)

java.lang.Object
- com.google.javascript.jscomp.CompilerOptions

```
public class CompilerOptions
extends Object
```
Compiler options

Author:

[email protected] (Nick Santos)

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`CompilerOptions.AliasTransformation` A Role Specific Interface for the JS Compiler to report aliases used to change the code during a compile.
`static interface`	`CompilerOptions.AliasTransformationHandler` A Role Specific Interface for JS Compiler that represents a data holder object which is used to store goog.scope alias code changes to code made during a compile.
`static class`	`CompilerOptions.DisposalCheckingPolicy` Policies to determine the disposal checking level.
`static class`	`CompilerOptions.Environment` An environment specifies the built-in externs that are loaded for a given compilation.
`static class`	`CompilerOptions.ExtractPrototypeMemberDeclarationsMode`
`static class`	`CompilerOptions.LanguageMode` A language mode applies to the whole compilation job.
`static class`	`CompilerOptions.Reach` A common enum for compiler passes that can run either globally or locally.
`static class`	`CompilerOptions.TracerMode` How much tracing we want to do
`static class`	`CompilerOptions.TweakProcessing` Option for the ProcessTweaks pass

Field Summary

Fields
Modifier and Type	Field and Description
`Set<String>`	`aliasableStrings` If set to a non-empty set, those strings literals will be aliased to a single global instance per string, to avoid creating more objects than necessary.
`boolean`	`aliasAllStrings` Aliases all string literals to global instances, to avoid creating more objects than necessary (if true, overrides any set of strings passed in to aliasableStrings)
`String`	`aliasStringsBlacklist` A blacklist in the form of a regular expression to block strings that contains certain words from being aliased.
`boolean`	`ambiguateProperties` Rename unrelated properties to the same name to reduce code size.
`AnonymousFunctionNamingPolicy`	`anonymousFunctionNaming` Give anonymous functions names for easier debugging
`CheckLevel`	`brokenClosureRequiresLevel` Deprecated.
`CheckLevel`	`checkGlobalNamesLevel`
`CheckLevel`	`checkGlobalThisLevel`
`String`	`checkMissingGetCssNameBlacklist` Regex of string literals that may only appear in goog.getCssName arguments.
`CheckLevel`	`checkMissingGetCssNameLevel`
`boolean`	`checksOnly`
`boolean`	`checkSuspiciousCode` Checks for suspicious statements that have no effect
`boolean`	`checkSymbols` Checks that all symbols are defined
`boolean`	`checkTypes` Checks types on expressions
`boolean`	`closurePass` Processes goog.provide() and goog.require() calls
`boolean`	`coalesceVariableNames` Merge two variables together as one.
`boolean`	`collapseAnonymousFunctions` Collapses anonymous function declarations into named function declarations
`boolean`	`collapseProperties` Flattens multi-level property names (e.g.
`boolean`	`collapseVariableDeclarations` Collapses multiple variable declarations into one
`boolean`	`computeFunctionSideEffects` Use @nosideeffects annotations, function bodies and name graph to determine if calls have side effects.
`boolean`	`convertToDottedProperties` Converts quoted property accesses to dot syntax (a['b'] → a.b)
`boolean`	`crossModuleCodeMotion` Move code to a deeper module
`boolean`	`crossModuleMethodMotion` Move methods to a deeper module
`CssRenamingMap`	`cssRenamingMap` Map used in the renaming of CSS class names.
`protected com.google.common.collect.Multimap<CustomPassExecutionTime,CompilerPass>`	`customPasses` Custom passes
`boolean`	`deadAssignmentElimination` Remove assignments to values that can not be referenced
`boolean`	`devirtualizePrototypeMethods` Devirtualize prototype method by rewriting them to be static calls that take the this pointer as their first argument
`boolean`	`disambiguateProperties` Rename properties to disambiguate between unrelated fields based on type information.
`ErrorFormat`	`errorFormat`
`boolean`	`exportTestFunctions` Whether to export test functions.
`boolean`	`flowSensitiveInlineVariables`
`boolean`	`foldConstants` Folds constants (e.g.
`boolean`	`gatherCssNames` Gather CSS names (requires closurePass)
`boolean`	`generateExports`
`boolean`	`generatePseudoNames` Generate pseudo names for variables and properties for debugging purposes.
`boolean`	`ideMode` Configures the compiler for use as an IDE backend.
`boolean`	`inlineConstantVars` Inlines constants (symbols that are all CAPS)
`boolean`	`inlineFunctions` Inlines global functions
`boolean`	`inlineLocalFunctions` Inlines functions defined in local scopes
`boolean`	`inlineVariables` Inlines variables
`String`	`inputDelimiter` The string to use as the separator for printInputDelimiter
`Instrumentation`	`instrumentationTemplate` Instrumentation template to use with #recordFunctionInformation
`boolean`	`instrumentForCoverage` Instrument code for the purpose of collecting coverage data.
`boolean`	`jqueryPass` Processes jQuery aliases
`boolean`	`labelRenaming` Controls label renaming.
`boolean`	`lineBreak` Line break the output a bit more aggressively
`String`	`locale` Compiling locale
`boolean`	`markAsCompiled` Sets the special "COMPILED" value to true
`boolean`	`markNoSideEffectCalls` Mark no side effect calls
`MessageBundle`	`messageBundle` Returns localized replacement for MSG_* variables
`boolean`	`moveFunctionDeclarations` Move top-level function declarations to the top
`boolean`	`optimizeArgumentsArray` Provide formal names for elements of arguments array.
`boolean`	`optimizeCalls` Remove unused parameters from call sites.
`boolean`	`optimizeParameters` Remove unused and constant parameters.
`boolean`	`optimizeReturns` Remove unused return values.
`boolean`	`preferLineBreakAtEndOfFile` Prefer line breaks at end of file
`boolean`	`preserveGoogRequires` Do not strip goog.require() calls from the code.
`boolean`	`preserveTypeAnnotations` Do not strip closure-style type annotations from code.
`boolean`	`prettyPrint` Output in pretty indented format
`boolean`	`printInputDelimiter` Prints a separator comment before each JS script
`boolean`	`recordFunctionInformation` Record function information
`boolean`	`removeDeadCode` Removes code that will never execute
`boolean`	`removeUnusedClassProperties` Removes unused member properties
`boolean`	`removeUnusedLocalVars` Removes unused variables in local scope.
`boolean`	`removeUnusedPrototypeProperties` Removes unused member prototypes
`boolean`	`removeUnusedPrototypePropertiesInExterns` Tells AnalyzePrototypeProperties it can remove externed props.
`boolean`	`removeUnusedVars` Removes unused variables
`String`	`renamePrefix` Specifies a prefix for all globals
`String`	`renamePrefixNamespace` Specifies the name of an object that will be used to store all non-extern globals.
`CheckLevel`	`reportMissingOverride`
`boolean`	`reserveRawExports` Reserve property names on the global this object.
`boolean`	`rewriteFunctionExpressions` Reduces the size of common function expressions.
`boolean`	`smartNameRemoval` Removes code associated with unused global names
`SourceMap.DetailLevel`	`sourceMapDetailLevel` The detail level for the generated source map.
`SourceMap.Format`	`sourceMapFormat` The source map file format
`List<SourceMap.LocationMapping>`	`sourceMapLocationMappings`
`String`	`sourceMapOutputPath` The output path for the source map.
`Set<String>`	`stripNamePrefixes` Name prefixes that determine which variables and properties to strip
`Set<String>`	`stripNameSuffixes` Name suffixes that determine which variables and properties to strip
`Set<String>`	`stripTypePrefixes` Qualified type name prefixes that determine which types to strip
`Set<String>`	`stripTypes` Names of types to strip
`String`	`syntheticBlockEndMarker`
`String`	`syntheticBlockStartMarker`
`VariableRenamingPolicy`	`variableRenaming` Controls which variables get renamed.

Constructor Summary

Constructors
Constructor and Description

CompilerOptions()
Initializes compiler options.

Constructors
Constructor and Description
`CompilerOptions()` Initializes compiler options.

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`void`	`addCustomPass(CustomPassExecutionTime time, CompilerPass customPass)`
`void`	`addWarningsGuard(WarningsGuard guard)` Add a guard to the set of warnings guards.
`boolean`	`assumeClosuresOnlyCaptureReferences()`
`boolean`	`assumeStrictThis()`
`void`	`disableRuntimeTypeCheck()`
`void`	`enableExternExports(boolean enabled)` Deprecated. replaced by `setExternExports(boolean)`
`void`	`enableRuntimeTypeCheck(String logFunction)` Enable run-time type checking, which adds JS type assertions for debugging.
`CompilerOptions.AliasTransformationHandler`	`getAliasTransformationHandler()`
`boolean`	`getCheckDeterminism()`
`CompilerOptions.DisposalCheckingPolicy`	`getCheckEventfulObjectDisposalPolicy()`
`CodingConvention`	`getCodingConvention()`
`List<ConformanceConfig>`	`getConformanceConfigs()`
`Map<String,Node>`	`getDefineReplacements()` Returns the map of define replacements.
`DependencyOptions`	`getDependencyOptions()`
`CompilerOptions.Environment`	`getEnvironment()`
`ErrorFormat`	`getErrorFormat()`
`boolean`	`getInferTypes()` Gets the inferTypes flag.
`CompilerOptions.LanguageMode`	`getLanguageIn()`
`CompilerOptions.LanguageMode`	`getLanguageOut()`
`boolean`	`getLegacyCodeCompile()`
`int`	`getLineLengthThreshold()`
`boolean`	`getNewTypeInference()`
`boolean`	`getPreferLineBreakAtEndOfFile()`
`String`	`getRenamePrefixNamespace()`
`CompilerOptions.TracerMode`	`getTracerMode()`
`CompilerOptions.TweakProcessing`	`getTweakProcessing()`
`Map<String,Node>`	`getTweakReplacements()` Returns the map of tweak replacements.
`boolean`	`isDisambiguatePrivateProperties()`
`boolean`	`isExternExportsEnabled()`
`boolean`	`isParseJsDocDocumentation()` Checks JSDoc documentation will be parsed.
`boolean`	`isPreserveJsDocWhitespace()`
`boolean`	`isRemoveUnusedClassProperties()`
`boolean`	`isRemoveUnusedConstructorProperties()`
`void`	`resetWarningsGuard()` Reset the warnings guard.
`void`	`setAliasableStrings(Set<String> aliasableStrings)`
`void`	`setAliasAllStrings(boolean aliasAllStrings)`
`void`	`setAliasStringsBlacklist(String aliasStringsBlacklist)`
`void`	`setAliasTransformationHandler(CompilerOptions.AliasTransformationHandler changes)`
`void`	`setAmbiguateProperties(boolean ambiguateProperties)`
`void`	`setAngularPass(boolean angularPass)`
`void`	`setAnonymousFunctionNaming(AnonymousFunctionNamingPolicy anonymousFunctionNaming)`
`void`	`setAppNameStr(String appNameStr)` App identifier string for use by the instrumentation template's app_name_setter.
`void`	`setAssumeClosuresOnlyCaptureReferences(boolean enable)` Whether to assume closures capture only what they reference.
`void`	`setAssumeStrictThis(boolean enable)` If true, enables enables additional optimizations.
`void`	`setBrokenClosureRequiresLevel(CheckLevel level)` Deprecated.
`void`	`setChainCalls(boolean value)` If true, chain calls to functions that return this.
`void`	`setCheckDeterminism(boolean checkDeterminism)`
`void`	`setCheckEventfulObjectDisposalPolicy(CompilerOptions.DisposalCheckingPolicy policy)`
`void`	`setCheckGlobalNamesLevel(CheckLevel level)` Checks the integrity of references to qualified global names.
`void`	`setCheckGlobalThisLevel(CheckLevel level)` Checks for certain uses of the `this` keyword that are considered unsafe because they are likely to reference the global `this` object unintentionally.
`void`	`setCheckMissingGetCssNameBlacklist(String blackList)`
`void`	`setCheckMissingGetCssNameLevel(CheckLevel level)` Checks that certain string literals only appear in strings used as goog.getCssName arguments.
`void`	`setChecksOnly(boolean checksOnly)`
`void`	`setCheckSuspiciousCode(boolean checkSuspiciousCode)`
`void`	`setCheckSymbols(boolean checkSymbols)`
`void`	`setCheckTypes(boolean checkTypes)`
`void`	`setClosurePass(boolean closurePass)`
`void`	`setCoalesceVariableNames(boolean coalesceVariableNames)`
`void`	`setCodingConvention(CodingConvention codingConvention)`
`void`	`setCollapseAnonymousFunctions(boolean enabled)`
`void`	`setCollapseObjectLiterals(boolean enabled)`
`void`	`setCollapseProperties(boolean collapseProperties)`
`void`	`setCollapseVariableDeclarations(boolean enabled)`
`void`	`setColorizeErrorOutput(boolean colorizeErrorOutput)`
`void`	`setCommonJSModulePathPrefix(String commonJSModulePathPrefix)` Sets a path prefix for CommonJS modules (maps to `setModuleRoots(List)`).
`void`	`setComputeFunctionSideEffects(boolean computeFunctionSideEffects)`
`void`	`setConformanceConfig(ConformanceConfig conformanceConfig)` Both enable and configure conformance checks, if non-null.
`void`	`setConformanceConfigs(List<ConformanceConfig> configs)` Both enable and configure conformance checks, if non-null.
`void`	`setConvertToDottedProperties(boolean convertToDottedProperties)`
`void`	`setCrossModuleCodeMotion(boolean crossModuleCodeMotion)`
`void`	`setCrossModuleCodeMotionNoStubMethods(boolean crossModuleCodeMotionNoStubMethods)`
`void`	`setCrossModuleMethodMotion(boolean crossModuleMethodMotion)`
`void`	`setCssRenamingMap(CssRenamingMap cssRenamingMap)`
`void`	`setCssRenamingWhitelist(Set<String> whitelist)`
`void`	`setDartPass(boolean dartPass)`
`void`	`setDeadAssignmentElimination(boolean deadAssignmentElimination)`
`void`	`setDebugFunctionSideEffectsPath(String debugFunctionSideEffectsPath)`
`void`	`setDefineReplacements(Map<String,Object> defineReplacements)`
`void`	`setDefineToBooleanLiteral(String defineName, boolean value)` Sets the value of the `@define` variable in JS to a boolean literal.
`void`	`setDefineToDoubleLiteral(String defineName, double value)` Sets the value of the `@define` variable in JS to a number literal.
`void`	`setDefineToNumberLiteral(String defineName, int value)` Sets the value of the `@define` variable in JS to a number literal.
`void`	`setDefineToStringLiteral(String defineName, String value)` Sets the value of the `@define` variable in JS to a String literal.
`void`	`setDependencyOptions(DependencyOptions options)` Sets dependency options.
`void`	`setDevirtualizePrototypeMethods(boolean devirtualizePrototypeMethods)`
`void`	`setDevMode(com.google.javascript.jscomp.CompilerOptions.DevMode devMode)`
`void`	`setDisambiguatePrivateProperties(boolean value)`
`void`	`setDisambiguateProperties(boolean disambiguateProperties)`
`void`	`setEnvironment(CompilerOptions.Environment environment)` Set which set of builtin externs to use.
`void`	`setErrorFormat(ErrorFormat errorFormat)`
`void`	`setErrorHandler(ErrorHandler handler)` Set a custom handler for warnings and errors.
`void`	`setExportLocalPropertyDefinitions(boolean export)`
`void`	`setExportTestFunctions(boolean exportTestFunctions)`
`void`	`setExternExports(boolean externExports)`
`void`	`setExternExportsPath(String externExportsPath)`
`void`	`setExtraAnnotationNames(Iterable<String> extraAnnotationNames)`
`void`	`setExtractPrototypeMemberDeclarations(boolean enabled)`
`void`	`setExtractPrototypeMemberDeclarations(CompilerOptions.ExtractPrototypeMemberDeclarationsMode mode)`
`void`	`setExtraSmartNameRemoval(boolean smartNameRemoval)`
`void`	`setFlowSensitiveInlineVariables(boolean enabled)`
`void`	`setFoldConstants(boolean foldConstants)`
`void`	`setForceLibraryInjection(Iterable<String> libraries)` Sets list of libraries to always inject, even if not needed.
`void`	`setGatherCssNames(boolean gatherCssNames)`
`void`	`setGenerateExports(boolean generateExports)`
`void`	`setGeneratePseudoNames(boolean generatePseudoNames)`
`void`	`setIdeMode(boolean ideMode)`
`void`	`setIdGenerators(Map<String,RenamingMap> idGenerators)` Sets the id generators to replace.
`void`	`setIdGenerators(Set<String> idGenerators)` Sets the id generators to replace.
`void`	`setIdGeneratorsMap(String previousMappings)` A previous map of ids (serialized to a string by a previous compile).
`void`	`setInferConst(boolean value)`
`void`	`setInferTypes(boolean enable)` If true, enables type inference.
`void`	`setInlineConstantVars(boolean inlineConstantVars)`
`void`	`setInlineFunctions(boolean inlineFunctions)`
`void`	`setInlineFunctions(CompilerOptions.Reach reach)` Set the function inlining policy for the compiler.
`void`	`setInlineLocalFunctions(boolean inlineLocalFunctions)`
`void`	`setInlineLocalVariables(boolean inlineLocalVariables)`
`void`	`setInlineProperties(boolean enable)` Set the function inlining policy for the compiler.
`void`	`setInlineVariables(boolean inlineVariables)`
`void`	`setInlineVariables(CompilerOptions.Reach reach)` Set the variable inlining policy for the compiler.
`void`	`setInputAnonymousFunctionNamingMap(VariableMap inputMap)`
`void`	`setInputDelimiter(String inputDelimiter)`
`void`	`setInputPropertyMap(VariableMap inputPropertyMap)`
`void`	`setInputVariableMap(VariableMap inputVariableMap)`
`void`	`setInstrumentationTemplate(Instrumentation instrumentationTemplate)`
`void`	`setInstrumentationTemplateFile(String filename)`
`void`	`setInstrumentForCoverage(boolean instrumentForCoverage)` Set whether or not code should be modified to provide coverage information.
`void`	`setJ2clPass(boolean j2clPass)`
`void`	`setLabelRenaming(boolean labelRenaming)`
`void`	`setLanguage(CompilerOptions.LanguageMode language)` Sets ECMAScript version to use.
`void`	`setLanguageIn(CompilerOptions.LanguageMode languageIn)` Sets ECMAScript version to use for the input.
`void`	`setLanguageOut(CompilerOptions.LanguageMode languageOut)` Sets ECMAScript version to use for the output.
`void`	`setLegacyCodeCompile(boolean legacy)`
`void`	`setLineBreak(boolean lineBreak)`
`void`	`setLineLengthThreshold(int lineLengthThreshold)`
`void`	`setLocale(String locale)`
`void`	`setManageClosureDependencies(boolean newVal)` Sort inputs by their goog.provide/goog.require calls, and prune inputs whose symbols are not required.
`void`	`setManageClosureDependencies(List<String> entryPoints)` Sort inputs by their goog.provide/goog.require calls.
`void`	`setMarkAsCompiled(boolean markAsCompiled)`
`void`	`setMarkNoSideEffectCalls(boolean markNoSideEffectCalls)`
`void`	`setMaxFunctionSizeAfterInlining(int funAstSize)`
`void`	`setMessageBundle(MessageBundle messageBundle)`
`void`	`setModuleRoots(List<String> moduleRoots)` Sets the module roots.
`void`	`setMoveFunctionDeclarations(boolean moveFunctionDeclarations)`
`void`	`setNameReferenceGraphPath(String filePath)` Where to save the name reference graph
`void`	`setNameReferenceReportPath(String filePath)` Where to save a cross-reference report from the name reference graph
`void`	`setNewTypeInference(boolean enable)`
`void`	`setOptimizeArgumentsArray(boolean optimizeArgumentsArray)`
`void`	`setOptimizeCalls(boolean optimizeCalls)`
`void`	`setOptimizeParameters(boolean optimizeParameters)`
`void`	`setOptimizeReturns(boolean optimizeReturns)`
`void`	`setOutputCharset(Charset charsetName)` Sets the output charset.
`void`	`setOutputJsStringUsage(boolean outputJsStringUsage)`
`void`	`setParentModuleCanSeeSymbolsDeclaredInChildren(boolean parentModuleCanSeeSymbolsDeclaredInChildren)`
`void`	`setParseJsDocDocumentation(boolean parseJsDocDocumentation)` Enables or disables the parsing of JSDoc documentation.
`void`	`setPolymerPass(boolean polymerPass)`
`void`	`setPreferLineBreakAtEndOfFile(boolean lineBreakAtEnd)`
`void`	`setPreferSingleQuotes(boolean enabled)` Normally, when there are an equal number of single and double quotes in a string, the compiler will use double quotes.
`void`	`setPreferStableNames(boolean preferStableNames)`
`void`	`setPreserveGoogRequires(boolean preserveGoogRequires)`
`void`	`setPreserveJsDocWhitespace(boolean preserveJsDocWhitespace)` Enables or disables the preservation of all whitespace and formatting within a JSDoc comment.
`void`	`setPreserveTypeAnnotations(boolean preserveTypeAnnotations)`
`void`	`setPrettyPrint(boolean prettyPrint)`
`void`	`setPreventLibraryInjection(boolean preventLibraryInjection)` Sets the set of libraries to never inject, even if required.
`void`	`setPrintInputDelimiter(boolean printInputDelimiter)`
`void`	`setPrintSourceAfterEachPass(boolean printSource)`
`void`	`setProcessCommonJSModules(boolean processCommonJSModules)` Rewrites CommonJS modules so that modules can be concatenated together, by renaming all globals to avoid conflicting with other modules.
`void`	`setProcessObjectPropertyString(boolean process)` If true, process goog.testing.ObjectPropertyString instances.
`void`	`setPropertyInvalidationErrors(Map<String,CheckLevel> propertyInvalidationErrors)` Sets the list of properties that we report property invalidation errors for.
`void`	`setPropertyRenaming(PropertyRenamingPolicy propertyRenaming)`
`void`	`setProtectHiddenSideEffects(boolean enable)` When enabled, assume that apparently side-effect free code is meaningful.
`void`	`setQuoteKeywordProperties(boolean quoteKeywordProperties)`
`void`	`setRecordFunctionInformation(boolean recordFunctionInformation)`
`void`	`setRemoveAbstractMethods(boolean remove)`
`void`	`setRemoveClosureAsserts(boolean remove)`
`void`	`setRemoveDeadCode(boolean removeDeadCode)`
`void`	`setRemoveUnusedClassProperties(boolean removeUnusedClassProperties)`
`void`	`setRemoveUnusedConstructorProperties(boolean removeUnused)`
`void`	`setRemoveUnusedLocalVars(boolean removeUnusedLocalVars)`
`void`	`setRemoveUnusedPrototypeProperties(boolean enabled)`
`void`	`setRemoveUnusedPrototypePropertiesInExterns(boolean enabled)`
`void`	`setRemoveUnusedVariables(CompilerOptions.Reach reach)` Set the variable removal policy for the compiler.
`void`	`setRemoveUnusedVars(boolean removeUnusedVars)`
`void`	`setRenamePrefix(String renamePrefix)`
`void`	`setRenamePrefixNamespace(String renamePrefixNamespace)`
`void`	`setRenamingPolicy(VariableRenamingPolicy newVariablePolicy, PropertyRenamingPolicy newPropertyPolicy)` Sets the variable and property renaming policies for the compiler, in a way that clears warnings about the renaming policy being uninitialized from flags.
`void`	`setReplaceIdGenerators(boolean replaceIdGenerators)`
`void`	`setReplaceMessagesWithChromeI18n(boolean replaceMessagesWithChromeI18n, String tcProjectId)`
`void`	`setReplaceStringsConfiguration(String placeholderToken, List<String> functionDescriptors)` Sets the functions whose debug strings to replace.
`void`	`setReplaceStringsFunctionDescriptions(List<String> replaceStringsFunctionDescriptions)`
`void`	`setReplaceStringsInputMap(VariableMap serializedMap)`
`void`	`setReplaceStringsPlaceholderToken(String replaceStringsPlaceholderToken)`
`void`	`setReplaceStringsReservedStrings(Set<String> replaceStringsReservedStrings)`
`void`	`setReportMissingOverride(CheckLevel level)` Flags a warning if a property is missing the @override annotation, but it overrides a base class property.
`void`	`setReportOTIErrorsUnderNTI(boolean enable)`
`void`	`setReportPath(String reportPath)` Where to save a report of global name usage
`void`	`setReserveRawExports(boolean reserveRawExports)`
`void`	`setRewriteFunctionExpressions(boolean rewriteFunctionExpressions)`
`void`	`setRewritePolyfills(boolean rewritePolyfills)` Sets whether to rewrite polyfills.
`void`	`setRuntimeTypeCheck(boolean runtimeTypeCheck)`
`void`	`setRuntimeTypeCheckLogFunction(String runtimeTypeCheckLogFunction)`
`void`	`setShadowVariables(boolean shadow)` Should shadow outer scope variable name during renaming.
`void`	`setSkipNonTranspilationPasses(boolean skipNonTranspilationPasses)` Skip all passes (other than transpilation, if requested).
`void`	`setSkipTranspilationAndCrash(boolean value)` Allow disabling ES6 to ES3 transpilation.
`void`	`setSmartNameRemoval(boolean smartNameRemoval)`
`void`	`setSourceMapDetailLevel(SourceMap.DetailLevel sourceMapDetailLevel)`
`void`	`setSourceMapFormat(SourceMap.Format sourceMapFormat)`
`void`	`setSourceMapLocationMappings(List<SourceMap.LocationMapping> sourceMapLocationMappings)`
`void`	`setSourceMapOutputPath(String sourceMapOutputPath)`
`void`	`setStripNamePrefixes(Set<String> stripNamePrefixes)`
`void`	`setStripNameSuffixes(Set<String> stripNameSuffixes)`
`void`	`setStripTypePrefixes(Set<String> stripTypePrefixes)`
`void`	`setStripTypes(Set<String> stripTypes)`
`void`	`setSummaryDetailLevel(int summaryDetailLevel)` Controls how detailed the compilation summary is.
`void`	`setSyntheticBlockEndMarker(String syntheticBlockEndMarker)`
`void`	`setSyntheticBlockStartMarker(String syntheticBlockStartMarker)`
`void`	`setTracerMode(CompilerOptions.TracerMode mode)`
`void`	`setTransformAMDToCJSModules(boolean transformAMDToCJSModules)` Activates transformation of AMD to CommonJS modules.
`void`	`setTrustedStrings(boolean yes)` Some people want to put arbitrary user input into strings, which are then run through the compiler.
`void`	`setTweakProcessing(CompilerOptions.TweakProcessing tweakProcessing)` Sets how goog.tweak calls are processed.
`void`	`setTweakReplacements(Map<String,Object> tweakReplacements)`
`void`	`setTweakToBooleanLiteral(String tweakId, boolean value)` Sets the value of the tweak in JS to a boolean literal.
`void`	`setTweakToDoubleLiteral(String tweakId, double value)` Sets the value of the tweak in JS to a number literal.
`void`	`setTweakToNumberLiteral(String tweakId, int value)` Sets the value of the tweak in JS to a number literal.
`void`	`setTweakToStringLiteral(String tweakId, String value)` Sets the value of the tweak in JS to a String literal.
`void`	`setVariableRenaming(VariableRenamingPolicy variableRenaming)`
`void`	`setWarningLevel(DiagnosticGroup type, CheckLevel level)` Configure the given type of warning to the given level.
`void`	`setWarningsGuard(ComposeWarningsGuard warningsGuard)`
`void`	`setWrapGoogModulesForWhitespaceOnly(boolean enable)`
`boolean`	`shouldColorizeErrorOutput()`
`void`	`skipAllCompilerPasses()` Skip all possible passes, to make the compiler as fast as possible.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- ideMode
```
public boolean ideMode
```
  Configures the compiler for use as an IDE backend. In this mode:
  - No optimization passes will run.
  - The last time custom passes are invoked is CustomPassExecutionTime.BEFORE_OPTIMIZATIONS
  - The compiler will always try to process all inputs fully, even if it encounters errors.
  - The compiler may record more information than is strictly needed for codegen.
- messageBundle
```
public MessageBundle messageBundle
```
  Returns localized replacement for MSG_* variables
- checkSymbols
```
public boolean checkSymbols
```
  Checks that all symbols are defined
- checkSuspiciousCode
```
public boolean checkSuspiciousCode
```
  Checks for suspicious statements that have no effect
- checkTypes
```
public boolean checkTypes
```
  Checks types on expressions
- reportMissingOverride
```
public CheckLevel reportMissingOverride
```
- checkGlobalNamesLevel
```
public CheckLevel checkGlobalNamesLevel
```
- brokenClosureRequiresLevel
```
@Deprecated
public CheckLevel brokenClosureRequiresLevel
```
  Deprecated.
- checkGlobalThisLevel
```
public CheckLevel checkGlobalThisLevel
```
- checkMissingGetCssNameLevel
```
public CheckLevel checkMissingGetCssNameLevel
```
- checkMissingGetCssNameBlacklist
```
public String checkMissingGetCssNameBlacklist
```
  Regex of string literals that may only appear in goog.getCssName arguments.
- foldConstants
```
public boolean foldConstants
```
  Folds constants (e.g. (2 + 3) to 5)
- deadAssignmentElimination
```
public boolean deadAssignmentElimination
```
  Remove assignments to values that can not be referenced
- inlineConstantVars
```
public boolean inlineConstantVars
```
  Inlines constants (symbols that are all CAPS)
- inlineFunctions
```
public boolean inlineFunctions
```
  Inlines global functions
- inlineLocalFunctions
```
public boolean inlineLocalFunctions
```
  Inlines functions defined in local scopes
- crossModuleCodeMotion
```
public boolean crossModuleCodeMotion
```
  Move code to a deeper module
- coalesceVariableNames
```
public boolean coalesceVariableNames
```
  Merge two variables together as one.
- crossModuleMethodMotion
```
public boolean crossModuleMethodMotion
```
  Move methods to a deeper module
- inlineVariables
```
public boolean inlineVariables
```
  Inlines variables
- flowSensitiveInlineVariables
```
public boolean flowSensitiveInlineVariables
```
- smartNameRemoval
```
public boolean smartNameRemoval
```
  Removes code associated with unused global names
- removeDeadCode
```
public boolean removeDeadCode
```
  Removes code that will never execute
- removeUnusedPrototypeProperties
```
public boolean removeUnusedPrototypeProperties
```
  Removes unused member prototypes
- removeUnusedPrototypePropertiesInExterns
```
public boolean removeUnusedPrototypePropertiesInExterns
```
  Tells AnalyzePrototypeProperties it can remove externed props.
- removeUnusedClassProperties
```
public boolean removeUnusedClassProperties
```
  Removes unused member properties
- removeUnusedVars
```
public boolean removeUnusedVars
```
  Removes unused variables
- removeUnusedLocalVars
```
public boolean removeUnusedLocalVars
```
  Removes unused variables in local scope.
- collapseVariableDeclarations
```
public boolean collapseVariableDeclarations
```
  Collapses multiple variable declarations into one
- collapseAnonymousFunctions
```
public boolean collapseAnonymousFunctions
```
  Collapses anonymous function declarations into named function declarations
- aliasableStrings
```
public Set<String> aliasableStrings
```
  If set to a non-empty set, those strings literals will be aliased to a single global instance per string, to avoid creating more objects than necessary.
- aliasStringsBlacklist
```
public String aliasStringsBlacklist
```
  A blacklist in the form of a regular expression to block strings that contains certain words from being aliased. If the value is the empty string, no words are blacklisted.
- aliasAllStrings
```
public boolean aliasAllStrings
```
  Aliases all string literals to global instances, to avoid creating more objects than necessary (if true, overrides any set of strings passed in to aliasableStrings)
- convertToDottedProperties
```
public boolean convertToDottedProperties
```
  Converts quoted property accesses to dot syntax (a['b'] → a.b)
- rewriteFunctionExpressions
```
public boolean rewriteFunctionExpressions
```
  Reduces the size of common function expressions.
- optimizeParameters
```
public boolean optimizeParameters
```
  Remove unused and constant parameters.
- optimizeReturns
```
public boolean optimizeReturns
```
  Remove unused return values.
- optimizeCalls
```
public boolean optimizeCalls
```
  Remove unused parameters from call sites.
- optimizeArgumentsArray
```
public boolean optimizeArgumentsArray
```
  Provide formal names for elements of arguments array.
- variableRenaming
```
public VariableRenamingPolicy variableRenaming
```
  Controls which variables get renamed.
- labelRenaming
```
public boolean labelRenaming
```
  Controls label renaming.
- reserveRawExports
```
public boolean reserveRawExports
```
  Reserve property names on the global this object.
- generatePseudoNames
```
public boolean generatePseudoNames
```
  Generate pseudo names for variables and properties for debugging purposes.
- renamePrefix
```
public String renamePrefix
```
  Specifies a prefix for all globals
- renamePrefixNamespace
```
public String renamePrefixNamespace
```
  Specifies the name of an object that will be used to store all non-extern globals.
- collapseProperties
```
public boolean collapseProperties
```
  Flattens multi-level property names (e.g. a$b = x)
- devirtualizePrototypeMethods
```
public boolean devirtualizePrototypeMethods
```
  Devirtualize prototype method by rewriting them to be static calls that take the this pointer as their first argument
- computeFunctionSideEffects
```
public boolean computeFunctionSideEffects
```
  Use @nosideeffects annotations, function bodies and name graph to determine if calls have side effects. Requires --check_types.
- disambiguateProperties
```
public boolean disambiguateProperties
```
  Rename properties to disambiguate between unrelated fields based on type information.
- ambiguateProperties
```
public boolean ambiguateProperties
```
  Rename unrelated properties to the same name to reduce code size.
- anonymousFunctionNaming
```
public AnonymousFunctionNamingPolicy anonymousFunctionNaming
```
  Give anonymous functions names for easier debugging
- exportTestFunctions
```
public boolean exportTestFunctions
```
  Whether to export test functions.
- syntheticBlockStartMarker
```
public String syntheticBlockStartMarker
```
- syntheticBlockEndMarker
```
public String syntheticBlockEndMarker
```
- locale
```
public String locale
```
  Compiling locale
- markAsCompiled
```
public boolean markAsCompiled
```
  Sets the special "COMPILED" value to true
- closurePass
```
public boolean closurePass
```
  Processes goog.provide() and goog.require() calls
- preserveGoogRequires
```
public boolean preserveGoogRequires
```
  Do not strip goog.require() calls from the code.
- jqueryPass
```
public boolean jqueryPass
```
  Processes jQuery aliases
- gatherCssNames
```
public boolean gatherCssNames
```
  Gather CSS names (requires closurePass)
- stripTypes
```
public Set<String> stripTypes
```
  Names of types to strip
- stripNameSuffixes
```
public Set<String> stripNameSuffixes
```
  Name suffixes that determine which variables and properties to strip
- stripNamePrefixes
```
public Set<String> stripNamePrefixes
```
  Name prefixes that determine which variables and properties to strip
- stripTypePrefixes
```
public Set<String> stripTypePrefixes
```
  Qualified type name prefixes that determine which types to strip
- customPasses
```
protected transient com.google.common.collect.Multimap<CustomPassExecutionTime,CompilerPass> customPasses
```
  Custom passes
- markNoSideEffectCalls
```
public boolean markNoSideEffectCalls
```
  Mark no side effect calls
- moveFunctionDeclarations
```
public boolean moveFunctionDeclarations
```
  Move top-level function declarations to the top
- instrumentationTemplate
```
public Instrumentation instrumentationTemplate
```
  Instrumentation template to use with #recordFunctionInformation
- recordFunctionInformation
```
public boolean recordFunctionInformation
```
  Record function information
- checksOnly
```
public boolean checksOnly
```
- generateExports
```
public boolean generateExports
```
- cssRenamingMap
```
public CssRenamingMap cssRenamingMap
```
  Map used in the renaming of CSS class names.
- preserveTypeAnnotations
```
public boolean preserveTypeAnnotations
```
  Do not strip closure-style type annotations from code.
- prettyPrint
```
public boolean prettyPrint
```
  Output in pretty indented format
- lineBreak
```
public boolean lineBreak
```
  Line break the output a bit more aggressively
- preferLineBreakAtEndOfFile
```
public boolean preferLineBreakAtEndOfFile
```
  Prefer line breaks at end of file
- printInputDelimiter
```
public boolean printInputDelimiter
```
  Prints a separator comment before each JS script
- inputDelimiter
```
public String inputDelimiter
```
  The string to use as the separator for printInputDelimiter
- errorFormat
```
public ErrorFormat errorFormat
```
- sourceMapOutputPath
```
public String sourceMapOutputPath
```
  The output path for the source map.
- sourceMapDetailLevel
```
public SourceMap.DetailLevel sourceMapDetailLevel
```
  The detail level for the generated source map.
- sourceMapFormat
```
public SourceMap.Format sourceMapFormat
```
  The source map file format
- sourceMapLocationMappings
```
public List<SourceMap.LocationMapping> sourceMapLocationMappings
```
- instrumentForCoverage
```
public boolean instrumentForCoverage
```
  Instrument code for the purpose of collecting coverage data.

Constructor Detail
- CompilerOptions
```
public CompilerOptions()
```
  Initializes compiler options. All options are disabled by default. Command-line frontends to the compiler should set these properties like a builder.

Method Detail

setSkipTranspilationAndCrash
```
public void setSkipTranspilationAndCrash(boolean value)
```
Allow disabling ES6 to ES3 transpilation.

setInferConst

public void setInferConst(boolean value)

setReportMissingOverride
```
public void setReportMissingOverride(CheckLevel level)
```
Flags a warning if a property is missing the @override annotation, but it overrides a base class property.

setCheckGlobalNamesLevel
```
public void setCheckGlobalNamesLevel(CheckLevel level)
```
Checks the integrity of references to qualified global names. (e.g. "a.b")

setBrokenClosureRequiresLevel
```
@Deprecated
public void setBrokenClosureRequiresLevel(CheckLevel level)
```
Deprecated.

Sets the check level for bad Closure require calls. Do not use; this should always be an error.

setCheckGlobalThisLevel
```
public void setCheckGlobalThisLevel(CheckLevel level)
```
Checks for certain uses of the this keyword that are considered unsafe because they are likely to reference the global this object unintentionally. If this is off, but collapseProperties is on, then the compiler will usually ignore you and run this check anyways.

setCheckMissingGetCssNameLevel
```
public void setCheckMissingGetCssNameLevel(CheckLevel level)
```
Checks that certain string literals only appear in strings used as goog.getCssName arguments.

setCheckEventfulObjectDisposalPolicy

public void setCheckEventfulObjectDisposalPolicy(CompilerOptions.DisposalCheckingPolicy policy)

getCheckEventfulObjectDisposalPolicy

public CompilerOptions.DisposalCheckingPolicy getCheckEventfulObjectDisposalPolicy()

getLegacyCodeCompile
```
public boolean getLegacyCodeCompile()
```

setLegacyCodeCompile

public void setLegacyCodeCompile(boolean legacy)

setCollapseObjectLiterals

public void setCollapseObjectLiterals(boolean enabled)

setReplaceMessagesWithChromeI18n

public void setReplaceMessagesWithChromeI18n(boolean replaceMessagesWithChromeI18n,
                                             String tcProjectId)

setAppNameStr
```
public void setAppNameStr(String appNameStr)
```
App identifier string for use by the instrumentation template's app_name_setter. @see #instrumentationTemplate

setPreferSingleQuotes
```
public void setPreferSingleQuotes(boolean enabled)
```
Normally, when there are an equal number of single and double quotes in a string, the compiler will use double quotes. Set this to true to prefer single quotes.

setTrustedStrings
```
public void setTrustedStrings(boolean yes)
```
Some people want to put arbitrary user input into strings, which are then run through the compiler. These scripts are then put into HTML. By default, we assume strings are untrusted. If the compiler is run from the command-line, we assume that strings are trusted.

setPrintSourceAfterEachPass

public void setPrintSourceAfterEachPass(boolean printSource)

setReportPath
```
public void setReportPath(String reportPath)
```
Where to save a report of global name usage

getTracerMode

public CompilerOptions.TracerMode getTracerMode()

setTracerMode

public void setTracerMode(CompilerOptions.TracerMode mode)

setNameReferenceReportPath
```
public void setNameReferenceReportPath(String filePath)
```
Where to save a cross-reference report from the name reference graph

setNameReferenceGraphPath
```
public void setNameReferenceGraphPath(String filePath)
```
Where to save the name reference graph

setProtectHiddenSideEffects
```
public void setProtectHiddenSideEffects(boolean enable)
```
When enabled, assume that apparently side-effect free code is meaningful.

setWrapGoogModulesForWhitespaceOnly

public void setWrapGoogModulesForWhitespaceOnly(boolean enable)

isRemoveUnusedClassProperties
```
public boolean isRemoveUnusedClassProperties()
```
Returns:

Whether to attempt to remove unused class properties

setRemoveUnusedClassProperties
```
public void setRemoveUnusedClassProperties(boolean removeUnusedClassProperties)
```
Parameters:

removeUnusedClassProperties - Whether to attempt to remove unused class properties

isRemoveUnusedConstructorProperties
```
public boolean isRemoveUnusedConstructorProperties()
```
Returns:

Whether to attempt to remove unused constructor properties

setRemoveUnusedConstructorProperties
```
public void setRemoveUnusedConstructorProperties(boolean removeUnused)
```
Parameters:

removeUnused - Whether to attempt to remove unused constructor properties

getDefineReplacements
```
public Map<String,Node> getDefineReplacements()
```
Returns the map of define replacements.

getTweakReplacements
```
public Map<String,Node> getTweakReplacements()
```
Returns the map of tweak replacements.

setDefineToBooleanLiteral

public void setDefineToBooleanLiteral(String defineName,
                                      boolean value)

Sets the value of the @define variable in JS to a boolean literal.

setDefineToStringLiteral

public void setDefineToStringLiteral(String defineName,
                                     String value)

Sets the value of the @define variable in JS to a String literal.

setDefineToNumberLiteral

public void setDefineToNumberLiteral(String defineName,
                                     int value)

Sets the value of the @define variable in JS to a number literal.

setDefineToDoubleLiteral

public void setDefineToDoubleLiteral(String defineName,
                                     double value)

Sets the value of the @define variable in JS to a number literal.

setTweakToBooleanLiteral

public void setTweakToBooleanLiteral(String tweakId,
                                     boolean value)

Sets the value of the tweak in JS to a boolean literal.

setTweakToStringLiteral

public void setTweakToStringLiteral(String tweakId,
                                    String value)

Sets the value of the tweak in JS to a String literal.

setTweakToNumberLiteral

public void setTweakToNumberLiteral(String tweakId,
                                    int value)

Sets the value of the tweak in JS to a number literal.

setTweakToDoubleLiteral

public void setTweakToDoubleLiteral(String tweakId,
                                    double value)

Sets the value of the tweak in JS to a number literal.

skipAllCompilerPasses
```
public void skipAllCompilerPasses()
```
Skip all possible passes, to make the compiler as fast as possible.

setWarningLevel

public void setWarningLevel(DiagnosticGroup type,
                            CheckLevel level)

Configure the given type of warning to the given level.

resetWarningsGuard
```
public void resetWarningsGuard()
```
Reset the warnings guard.

addWarningsGuard
```
public void addWarningsGuard(WarningsGuard guard)
```
Add a guard to the set of warnings guards.

setRenamingPolicy

public void setRenamingPolicy(VariableRenamingPolicy newVariablePolicy,
                              PropertyRenamingPolicy newPropertyPolicy)

Sets the variable and property renaming policies for the compiler, in a way that clears warnings about the renaming policy being uninitialized from flags.

setShadowVariables
```
public void setShadowVariables(boolean shadow)
```
Should shadow outer scope variable name during renaming.

setProcessObjectPropertyString
```
public void setProcessObjectPropertyString(boolean process)
```
If true, process goog.testing.ObjectPropertyString instances.

setReplaceIdGenerators
```
public void setReplaceIdGenerators(boolean replaceIdGenerators)
```
Parameters:

replaceIdGenerators - the replaceIdGenerators to set

setIdGenerators

public void setIdGenerators(Set<String> idGenerators)

Sets the id generators to replace.

setIdGenerators

public void setIdGenerators(Map<String,RenamingMap> idGenerators)

Sets the id generators to replace.

setIdGeneratorsMap
```
public void setIdGeneratorsMap(String previousMappings)
```
A previous map of ids (serialized to a string by a previous compile). This will be used as a hint during the ReplaceIdGenerators pass, which will attempt to reuse the same ids.

setInlineFunctions
```
public void setInlineFunctions(CompilerOptions.Reach reach)
```
Set the function inlining policy for the compiler.

setMaxFunctionSizeAfterInlining

public void setMaxFunctionSizeAfterInlining(int funAstSize)

setInlineVariables
```
public void setInlineVariables(CompilerOptions.Reach reach)
```
Set the variable inlining policy for the compiler.

setInlineProperties
```
public void setInlineProperties(boolean enable)
```
Set the function inlining policy for the compiler.

setRemoveUnusedVariables
```
public void setRemoveUnusedVariables(CompilerOptions.Reach reach)
```
Set the variable removal policy for the compiler.

setReplaceStringsConfiguration

public void setReplaceStringsConfiguration(String placeholderToken,
                                           List<String> functionDescriptors)

Sets the functions whose debug strings to replace.

setRemoveAbstractMethods

public void setRemoveAbstractMethods(boolean remove)

setRemoveClosureAsserts

public void setRemoveClosureAsserts(boolean remove)

setColorizeErrorOutput

public void setColorizeErrorOutput(boolean colorizeErrorOutput)

shouldColorizeErrorOutput

public boolean shouldColorizeErrorOutput()

setChainCalls
```
public void setChainCalls(boolean value)
```
If true, chain calls to functions that return this.

enableRuntimeTypeCheck
```
public void enableRuntimeTypeCheck(String logFunction)
```
Enable run-time type checking, which adds JS type assertions for debugging.

Parameters:

logFunction - A JS function to be used for logging run-time type assertion failures.

disableRuntimeTypeCheck
```
public void disableRuntimeTypeCheck()
```

setChecksOnly

public void setChecksOnly(boolean checksOnly)

setGenerateExports

public void setGenerateExports(boolean generateExports)

setExportLocalPropertyDefinitions

public void setExportLocalPropertyDefinitions(boolean export)

setAngularPass

public void setAngularPass(boolean angularPass)

setPolymerPass

public void setPolymerPass(boolean polymerPass)

setDartPass

public void setDartPass(boolean dartPass)

setJ2clPass

public void setJ2clPass(boolean j2clPass)

setCodingConvention

public void setCodingConvention(CodingConvention codingConvention)

getCodingConvention

public CodingConvention getCodingConvention()

setDependencyOptions
```
public void setDependencyOptions(DependencyOptions options)
```
Sets dependency options. See the DependencyOptions class for more info. This supersedes manageClosureDependencies.

getDependencyOptions

public DependencyOptions getDependencyOptions()

setManageClosureDependencies
```
public void setManageClosureDependencies(boolean newVal)
```
Sort inputs by their goog.provide/goog.require calls, and prune inputs whose symbols are not required.

setManageClosureDependencies
```
public void setManageClosureDependencies(List<String> entryPoints)
```
Sort inputs by their goog.provide/goog.require calls.

Parameters:

entryPoints - Entry points to the program. Must be goog.provide'd symbols. Any goog.provide'd symbols that are not a transitive dependency of the entry points will be deleted. Files without goog.provides, and their dependencies, will always be left in.

setSummaryDetailLevel
```
public void setSummaryDetailLevel(int summaryDetailLevel)
```
Controls how detailed the compilation summary is. Values: 0 (never print summary), 1 (print summary only if there are errors or warnings), 2 (print summary if type checking is on, see --check_types), 3 (always print summary). The default level is 1

enableExternExports
```
@Deprecated
public void enableExternExports(boolean enabled)
```
Deprecated. replaced by setExternExports(boolean)

setExtraAnnotationNames

public void setExtraAnnotationNames(Iterable<String> extraAnnotationNames)

isExternExportsEnabled

public boolean isExternExportsEnabled()

setOutputCharset

public void setOutputCharset(Charset charsetName)

Sets the output charset.

setTweakProcessing

public void setTweakProcessing(CompilerOptions.TweakProcessing tweakProcessing)

Sets how goog.tweak calls are processed.

getTweakProcessing

public CompilerOptions.TweakProcessing getTweakProcessing()

setLanguage

public void setLanguage(CompilerOptions.LanguageMode language)

Sets ECMAScript version to use.

setLanguageIn
```
public void setLanguageIn(CompilerOptions.LanguageMode languageIn)
```
Sets ECMAScript version to use for the input. If you are not transpiling from one version to another, use #setLanguage instead.

getLanguageIn

public CompilerOptions.LanguageMode getLanguageIn()

setLanguageOut
```
public void setLanguageOut(CompilerOptions.LanguageMode languageOut)
```
Sets ECMAScript version to use for the output. If you are not transpiling from one version to another, use #setLanguage instead.

getLanguageOut

public CompilerOptions.LanguageMode getLanguageOut()

setEnvironment

public void setEnvironment(CompilerOptions.Environment environment)

Set which set of builtin externs to use.

getEnvironment

public CompilerOptions.Environment getEnvironment()

setAliasTransformationHandler

public void setAliasTransformationHandler(CompilerOptions.AliasTransformationHandler changes)

getAliasTransformationHandler

public CompilerOptions.AliasTransformationHandler getAliasTransformationHandler()

setErrorHandler
```
public void setErrorHandler(ErrorHandler handler)
```
Set a custom handler for warnings and errors. This is mostly used for piping the warnings and errors to a file behind the scenes. If you want to filter warnings and errors, you should use a WarningsGuard. If you want to change how warnings and errors are reported to the user, you should set a ErrorManager on the Compiler. An ErrorManager is intended to summarize the errors for a single compile job.

setInferTypes
```
public void setInferTypes(boolean enable)
```
If true, enables type inference. If checkTypes is enabled, this flag has no effect.

getInferTypes
```
public boolean getInferTypes()
```
Gets the inferTypes flag. Note that if checkTypes is enabled, this flag is ignored when configuring the compiler.

getNewTypeInference
```
public boolean getNewTypeInference()
```

setNewTypeInference

public void setNewTypeInference(boolean enable)

setReportOTIErrorsUnderNTI

public void setReportOTIErrorsUnderNTI(boolean enable)

assumeStrictThis
```
public boolean assumeStrictThis()
```
Returns:

Whether assumeStrictThis is set.

setAssumeStrictThis
```
public void setAssumeStrictThis(boolean enable)
```
If true, enables enables additional optimizations.

assumeClosuresOnlyCaptureReferences
```
public boolean assumeClosuresOnlyCaptureReferences()
```
Returns:

Whether assumeClosuresOnlyCaptureReferences is set.

setAssumeClosuresOnlyCaptureReferences
```
public void setAssumeClosuresOnlyCaptureReferences(boolean enable)
```
Whether to assume closures capture only what they reference. This allows more aggressive function inlining.

setPropertyInvalidationErrors
```
public void setPropertyInvalidationErrors(Map<String,CheckLevel> propertyInvalidationErrors)
```
Sets the list of properties that we report property invalidation errors for.

setIdeMode

public void setIdeMode(boolean ideMode)

setParseJsDocDocumentation
```
public void setParseJsDocDocumentation(boolean parseJsDocDocumentation)
```
Enables or disables the parsing of JSDoc documentation. When IDE mode is enabled then documentation is always parsed.

Parameters:

parseJsDocDocumentation - True to enable JSDoc documentation parsing, false to disable it.

isParseJsDocDocumentation
```
public boolean isParseJsDocDocumentation()
```
Checks JSDoc documentation will be parsed.

Returns:

True when JSDoc documentation will be parsed, false if not.

setPreserveJsDocWhitespace
```
public void setPreserveJsDocWhitespace(boolean preserveJsDocWhitespace)
```
Enables or disables the preservation of all whitespace and formatting within a JSDoc comment. By default, whitespace is collapsed for all comments except @license and @preserve blocks,
Setting this option has no effect if isParseJsDocDocumentation() returns false.

Parameters:

preserveJsDocWhitespace - True to preserve whitespace in text extracted from JSDoc comments.

isPreserveJsDocWhitespace
```
public boolean isPreserveJsDocWhitespace()
```
Returns:

Whether to preserve whitespace in all text extracted from JSDoc comments.

setSkipNonTranspilationPasses
```
public void setSkipNonTranspilationPasses(boolean skipNonTranspilationPasses)
```
Skip all passes (other than transpilation, if requested). Don't inject es6_runtime.js or do any checks/optimizations (this is useful for per-file transpilation).

setDevMode

public void setDevMode(com.google.javascript.jscomp.CompilerOptions.DevMode devMode)

setCheckDeterminism

public void setCheckDeterminism(boolean checkDeterminism)

getCheckDeterminism
```
public boolean getCheckDeterminism()
```

setMessageBundle

public void setMessageBundle(MessageBundle messageBundle)

setCheckSymbols

public void setCheckSymbols(boolean checkSymbols)

setCheckSuspiciousCode

public void setCheckSuspiciousCode(boolean checkSuspiciousCode)

setCheckTypes

public void setCheckTypes(boolean checkTypes)

setCheckMissingGetCssNameBlacklist

public void setCheckMissingGetCssNameBlacklist(String blackList)

setFoldConstants

public void setFoldConstants(boolean foldConstants)

setDeadAssignmentElimination

public void setDeadAssignmentElimination(boolean deadAssignmentElimination)

setInlineConstantVars

public void setInlineConstantVars(boolean inlineConstantVars)

setInlineFunctions

public void setInlineFunctions(boolean inlineFunctions)

setInlineLocalFunctions

public void setInlineLocalFunctions(boolean inlineLocalFunctions)

setCrossModuleCodeMotion

public void setCrossModuleCodeMotion(boolean crossModuleCodeMotion)

setCrossModuleCodeMotionNoStubMethods

public void setCrossModuleCodeMotionNoStubMethods(boolean crossModuleCodeMotionNoStubMethods)

setParentModuleCanSeeSymbolsDeclaredInChildren

public void setParentModuleCanSeeSymbolsDeclaredInChildren(boolean parentModuleCanSeeSymbolsDeclaredInChildren)

setCoalesceVariableNames

public void setCoalesceVariableNames(boolean coalesceVariableNames)

setCrossModuleMethodMotion

public void setCrossModuleMethodMotion(boolean crossModuleMethodMotion)

setInlineVariables

public void setInlineVariables(boolean inlineVariables)

setInlineLocalVariables

public void setInlineLocalVariables(boolean inlineLocalVariables)

setFlowSensitiveInlineVariables

public void setFlowSensitiveInlineVariables(boolean enabled)

setSmartNameRemoval

public void setSmartNameRemoval(boolean smartNameRemoval)

setExtraSmartNameRemoval

public void setExtraSmartNameRemoval(boolean smartNameRemoval)

setRemoveDeadCode

public void setRemoveDeadCode(boolean removeDeadCode)

setExtractPrototypeMemberDeclarations

public void setExtractPrototypeMemberDeclarations(boolean enabled)

setExtractPrototypeMemberDeclarations

public void setExtractPrototypeMemberDeclarations(CompilerOptions.ExtractPrototypeMemberDeclarationsMode mode)

setRemoveUnusedPrototypeProperties

public void setRemoveUnusedPrototypeProperties(boolean enabled)

setRemoveUnusedPrototypePropertiesInExterns

public void setRemoveUnusedPrototypePropertiesInExterns(boolean enabled)

setRemoveUnusedVars

public void setRemoveUnusedVars(boolean removeUnusedVars)

setRemoveUnusedLocalVars

public void setRemoveUnusedLocalVars(boolean removeUnusedLocalVars)

setCollapseVariableDeclarations

public void setCollapseVariableDeclarations(boolean enabled)

setCollapseAnonymousFunctions

public void setCollapseAnonymousFunctions(boolean enabled)

setAliasableStrings

public void setAliasableStrings(Set<String> aliasableStrings)

setAliasStringsBlacklist

public void setAliasStringsBlacklist(String aliasStringsBlacklist)

setAliasAllStrings

public void setAliasAllStrings(boolean aliasAllStrings)

setOutputJsStringUsage

public void setOutputJsStringUsage(boolean outputJsStringUsage)

setConvertToDottedProperties

public void setConvertToDottedProperties(boolean convertToDottedProperties)

setRewriteFunctionExpressions

public void setRewriteFunctionExpressions(boolean rewriteFunctionExpressions)

setOptimizeParameters

public void setOptimizeParameters(boolean optimizeParameters)

setOptimizeReturns

public void setOptimizeReturns(boolean optimizeReturns)

setOptimizeCalls

public void setOptimizeCalls(boolean optimizeCalls)

setOptimizeArgumentsArray

public void setOptimizeArgumentsArray(boolean optimizeArgumentsArray)

setVariableRenaming

public void setVariableRenaming(VariableRenamingPolicy variableRenaming)

setPropertyRenaming

public void setPropertyRenaming(PropertyRenamingPolicy propertyRenaming)

setLabelRenaming

public void setLabelRenaming(boolean labelRenaming)

setReserveRawExports

public void setReserveRawExports(boolean reserveRawExports)

setPreferStableNames

public void setPreferStableNames(boolean preferStableNames)

setGeneratePseudoNames

public void setGeneratePseudoNames(boolean generatePseudoNames)

setRenamePrefix

public void setRenamePrefix(String renamePrefix)

getRenamePrefixNamespace

public String getRenamePrefixNamespace()

setRenamePrefixNamespace

public void setRenamePrefixNamespace(String renamePrefixNamespace)

setCollapseProperties

public void setCollapseProperties(boolean collapseProperties)

setDevirtualizePrototypeMethods

public void setDevirtualizePrototypeMethods(boolean devirtualizePrototypeMethods)

setComputeFunctionSideEffects

public void setComputeFunctionSideEffects(boolean computeFunctionSideEffects)

setDebugFunctionSideEffectsPath

public void setDebugFunctionSideEffectsPath(String debugFunctionSideEffectsPath)

isDisambiguatePrivateProperties
```
public boolean isDisambiguatePrivateProperties()
```
Returns:

Whether disambiguate private properties is enabled.

setDisambiguatePrivateProperties
```
public void setDisambiguatePrivateProperties(boolean value)
```
Parameters:

value - Whether to enable private property disambiguation based on the coding convention.

setDisambiguateProperties

public void setDisambiguateProperties(boolean disambiguateProperties)

setAmbiguateProperties

public void setAmbiguateProperties(boolean ambiguateProperties)

setAnonymousFunctionNaming

public void setAnonymousFunctionNaming(AnonymousFunctionNamingPolicy anonymousFunctionNaming)

setInputAnonymousFunctionNamingMap

public void setInputAnonymousFunctionNamingMap(VariableMap inputMap)

setInputVariableMap

public void setInputVariableMap(VariableMap inputVariableMap)

setInputPropertyMap

public void setInputPropertyMap(VariableMap inputPropertyMap)

setExportTestFunctions

public void setExportTestFunctions(boolean exportTestFunctions)

setRuntimeTypeCheck

public void setRuntimeTypeCheck(boolean runtimeTypeCheck)

setRuntimeTypeCheckLogFunction

public void setRuntimeTypeCheckLogFunction(String runtimeTypeCheckLogFunction)

setSyntheticBlockStartMarker

public void setSyntheticBlockStartMarker(String syntheticBlockStartMarker)

setSyntheticBlockEndMarker

public void setSyntheticBlockEndMarker(String syntheticBlockEndMarker)

setLocale
```
public void setLocale(String locale)
```

setMarkAsCompiled

public void setMarkAsCompiled(boolean markAsCompiled)

setClosurePass

public void setClosurePass(boolean closurePass)

setPreserveGoogRequires

public void setPreserveGoogRequires(boolean preserveGoogRequires)

setPreserveTypeAnnotations

public void setPreserveTypeAnnotations(boolean preserveTypeAnnotations)

setGatherCssNames

public void setGatherCssNames(boolean gatherCssNames)

setStripTypes

public void setStripTypes(Set<String> stripTypes)

setStripNameSuffixes

public void setStripNameSuffixes(Set<String> stripNameSuffixes)

setStripNamePrefixes

public void setStripNamePrefixes(Set<String> stripNamePrefixes)

setStripTypePrefixes

public void setStripTypePrefixes(Set<String> stripTypePrefixes)

addCustomPass

public void addCustomPass(CustomPassExecutionTime time,
                          CompilerPass customPass)

setMarkNoSideEffectCalls

public void setMarkNoSideEffectCalls(boolean markNoSideEffectCalls)

setDefineReplacements

public void setDefineReplacements(Map<String,Object> defineReplacements)

setTweakReplacements

public void setTweakReplacements(Map<String,Object> tweakReplacements)

setMoveFunctionDeclarations

public void setMoveFunctionDeclarations(boolean moveFunctionDeclarations)

setInstrumentationTemplate

public void setInstrumentationTemplate(Instrumentation instrumentationTemplate)

setInstrumentationTemplateFile

public void setInstrumentationTemplateFile(String filename)

setRecordFunctionInformation

public void setRecordFunctionInformation(boolean recordFunctionInformation)

setCssRenamingMap

public void setCssRenamingMap(CssRenamingMap cssRenamingMap)

setCssRenamingWhitelist

public void setCssRenamingWhitelist(Set<String> whitelist)

setReplaceStringsFunctionDescriptions

public void setReplaceStringsFunctionDescriptions(List<String> replaceStringsFunctionDescriptions)

setReplaceStringsPlaceholderToken

public void setReplaceStringsPlaceholderToken(String replaceStringsPlaceholderToken)

setReplaceStringsReservedStrings

public void setReplaceStringsReservedStrings(Set<String> replaceStringsReservedStrings)

setReplaceStringsInputMap

public void setReplaceStringsInputMap(VariableMap serializedMap)

setPrettyPrint

public void setPrettyPrint(boolean prettyPrint)

setLineBreak

public void setLineBreak(boolean lineBreak)

getPreferLineBreakAtEndOfFile

public boolean getPreferLineBreakAtEndOfFile()

setPreferLineBreakAtEndOfFile

public void setPreferLineBreakAtEndOfFile(boolean lineBreakAtEnd)

setPrintInputDelimiter

public void setPrintInputDelimiter(boolean printInputDelimiter)

setInputDelimiter

public void setInputDelimiter(String inputDelimiter)

setQuoteKeywordProperties

public void setQuoteKeywordProperties(boolean quoteKeywordProperties)

setErrorFormat

public void setErrorFormat(ErrorFormat errorFormat)

getErrorFormat
```
public ErrorFormat getErrorFormat()
```

setWarningsGuard

public void setWarningsGuard(ComposeWarningsGuard warningsGuard)

setLineLengthThreshold

public void setLineLengthThreshold(int lineLengthThreshold)

getLineLengthThreshold
```
public int getLineLengthThreshold()
```

setExternExports

public void setExternExports(boolean externExports)

setExternExportsPath

public void setExternExportsPath(String externExportsPath)

setSourceMapOutputPath

public void setSourceMapOutputPath(String sourceMapOutputPath)

setSourceMapDetailLevel

@GwtIncompatible(value="SourceMap")
public void setSourceMapDetailLevel(SourceMap.DetailLevel sourceMapDetailLevel)

setSourceMapFormat

@GwtIncompatible(value="SourceMap")
public void setSourceMapFormat(SourceMap.Format sourceMapFormat)

setSourceMapLocationMappings

@GwtIncompatible(value="SourceMap")
public void setSourceMapLocationMappings(List<SourceMap.LocationMapping> sourceMapLocationMappings)

setTransformAMDToCJSModules
```
public void setTransformAMDToCJSModules(boolean transformAMDToCJSModules)
```
Activates transformation of AMD to CommonJS modules.

setProcessCommonJSModules
```
public void setProcessCommonJSModules(boolean processCommonJSModules)
```
Rewrites CommonJS modules so that modules can be concatenated together, by renaming all globals to avoid conflicting with other modules.

setCommonJSModulePathPrefix
```
public void setCommonJSModulePathPrefix(String commonJSModulePathPrefix)
```
Sets a path prefix for CommonJS modules (maps to setModuleRoots(List)).

setModuleRoots

public void setModuleRoots(List<String> moduleRoots)

Sets the module roots.

setRewritePolyfills

public void setRewritePolyfills(boolean rewritePolyfills)

Sets whether to rewrite polyfills.

setForceLibraryInjection
```
public void setForceLibraryInjection(Iterable<String> libraries)
```
Sets list of libraries to always inject, even if not needed.

setPreventLibraryInjection
```
public void setPreventLibraryInjection(boolean preventLibraryInjection)
```
Sets the set of libraries to never inject, even if required.

setInstrumentForCoverage
```
public void setInstrumentForCoverage(boolean instrumentForCoverage)
```
Set whether or not code should be modified to provide coverage information.

getConformanceConfigs

public List<ConformanceConfig> getConformanceConfigs()

setConformanceConfig

@GwtIncompatible(value="Conformance")
public void setConformanceConfig(ConformanceConfig conformanceConfig)

Both enable and configure conformance checks, if non-null.

setConformanceConfigs

@GwtIncompatible(value="Conformance")
public void setConformanceConfigs(List<ConformanceConfig> configs)

Both enable and configure conformance checks, if non-null.

Class CompilerOptions

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ideMode

messageBundle

checkSymbols

checkSuspiciousCode

checkTypes

reportMissingOverride

checkGlobalNamesLevel

brokenClosureRequiresLevel

checkGlobalThisLevel

checkMissingGetCssNameLevel

checkMissingGetCssNameBlacklist

foldConstants

deadAssignmentElimination

inlineConstantVars

inlineFunctions

inlineLocalFunctions

crossModuleCodeMotion

coalesceVariableNames

crossModuleMethodMotion

inlineVariables

flowSensitiveInlineVariables

smartNameRemoval

removeDeadCode

removeUnusedPrototypeProperties

removeUnusedPrototypePropertiesInExterns

removeUnusedClassProperties

removeUnusedVars

removeUnusedLocalVars

collapseVariableDeclarations

collapseAnonymousFunctions

aliasableStrings

aliasStringsBlacklist

aliasAllStrings

convertToDottedProperties

rewriteFunctionExpressions

optimizeParameters

optimizeReturns

optimizeCalls

optimizeArgumentsArray

variableRenaming

labelRenaming

reserveRawExports

generatePseudoNames

renamePrefix

renamePrefixNamespace

collapseProperties

devirtualizePrototypeMethods

computeFunctionSideEffects

disambiguateProperties

ambiguateProperties

anonymousFunctionNaming

exportTestFunctions

syntheticBlockStartMarker

syntheticBlockEndMarker

locale

markAsCompiled

closurePass

preserveGoogRequires

jqueryPass

gatherCssNames

stripTypes

stripNameSuffixes

stripNamePrefixes

stripTypePrefixes

customPasses

markNoSideEffectCalls

moveFunctionDeclarations

instrumentationTemplate

recordFunctionInformation

checksOnly

generateExports

cssRenamingMap

preserveTypeAnnotations