## Package com.google.javascript.jscomp

Provides the core compiler and its public API.

See:
Description

Interface Summary
AstValidator.ViolationHandler |
CodingConvention | CodingConvention defines a set of hooks to customize the behavior of the Compiler for a specific team/company.
CompilerOptions.AliasTransformation | A Role Specific Interface for the JsCompiler to report aliases used to change the code during a compile.
CompilerOptions.AliasTransformationHandler | A Role Specific Interface for JsCompiler that represents a data holder object which is used to store goog.scope alias code changes to code made during a compile.
CompilerPass | Interface for classes that can compile JS.
CssRenamingMap | Interface used by `ReplaceCssNames` to substitute CSS class names.
ErrorHandler | The error handler is any generic sink for warnings and errors, after they've passed through any filtering `WarningsGuard`s.
ErrorManager | The error manager is in charge of storing, organizing and displaying errors and warnings generated by the compiler.
FunctionInformationMap.EntryOrBuilder |
FunctionInformationMap.ModuleOrBuilder |
FunctionInformationMapOrBuilder |
HotSwapCompilerPass | Interface for compiler passes that can be used in a hot-swap fashion.
InstrumentationOrBuilder |
JsMessage.IdGenerator |
MessageBundle | An interface for providing alterative values for user-visible messages in javascript code.
MessageFormatter | Format warnings and errors.
NodeTraversal.Callback | Callback
NodeTraversal.ScopedCallback | Callback that also knows about scope changes
Region | Source code region.
SourceAst | An interface for accessing the AST root of an input.
SourceExcerptProvider | A source excerpt provider is responsible for building source code excerpt of specific locations, such as a specific line or a region around a given line number.
SourceExcerptProvider.ExcerptFormatter | A excerpt formatter is responsible of formatting source excerpts.
SourceFile.Generator | A JavaScript source code provider.

Class Summary
AbstractCompiler | An abstract compiler, to help remove the circular dependency of passes on JSCompiler.
AbstractMessageFormatter | Abstract message formatter providing default behavior for implementations of `MessageFormatter` needing a `SourceExcerptProvider`.
AstValidator | This class walks the AST and validates that the structure is correct.
BasicErrorManager | A basic error manager that sorts all errors and warnings reported to it to generate a sorted report when the `BasicErrorManager.generateReport()` method is called.
CallGraph | A pass the uses a `DefinitionProvider` to compute a call graph for an AST.
ClosureCodingConvention | This describes the Closure-specific JavaScript coding conventions.
CodingConvention.AssertionFunctionSpec | A function that will throw an exception when either: -One or more of its parameters evaluate to false.
CodingConvention.Bind |
CodingConvention.DelegateRelationship | Delegates provides a mechanism and structure for identifying where classes can call out to optional code to augment their functionality.
CodingConvention.ObjectLiteralCast | An object literal cast provides a mechanism to cast object literals to other types without a warning.
CodingConvention.SubclassRelationship |
CodingConventions | Helper classes for dealing with coding conventions.
CodingConventions.Proxy | A convention that wraps another.
CommandLineRunner | CommandLineRunner translates flags into Java API calls on the Compiler.
Compiler | Compiler (and the other classes in this package) does the following: parses JS code checks for undefined variables performs optimizations such as constant folding and constants inlining renames variables (to short names) outputs compact javascript code External variables are declared in 'externs' files.
Compiler.CodeBuilder | Stores a buffer of text to which more can be appended.
Compiler.IntermediateState | Stores the internal compiler state just before optimization is performed.
CompilerInput | A class for the internal representation of an input to the compiler.
CompilerOptions | Compiler options
ComposeWarningsGuard | WarningsGuard that represents just a chain of other guards.
CssRenamingMap.ByPart |
CssRenamingMap.ByWhole |
DefaultPassConfig | Pass factories and meta-data for native JSCompiler passes.
DependencyOptions | Options for how to manage dependencies between input files.
DiagnosticGroup | Group a set of related diagnostic types together, so that they can be toggled on and off as one unit.
DiagnosticGroups | Named groups of DiagnosticTypes exposed by Compiler.
DiagnosticGroupWarningsGuard | Sets the level for a particular DiagnosticGroup.
DiagnosticType | The type of a compile or analysis error.
DotFormatter | DotFormatter prints out a dot file of the Abstract Syntax Tree.
EmptyMessageBundle | An implementation of MessageBundle that has no translations.
FieldCleanupPass | A CleanupPass implementation that will remove all field declarations on JSTypes contributed by the original file.
FindExportableNodes | Records all of the symbols and properties that should be exported.
FindExportableNodes.GenerateNodeContext | Context holding the node references required for generating the export calls.
FunctionInfo |
FunctionInformationMap |
FunctionInformationMap.Builder |
FunctionInformationMap.Entry |
FunctionInformationMap.Entry.Builder |
FunctionInformationMap.Module |
FunctionInformationMap.Module.Builder |
GoogleCodingConvention | This describes the Google-specific JavaScript coding conventions.
GoogleJsMessageIdGenerator | An `JsMessage.IdGenerator` designed to play nicely with Google's Translation systems.
Instrumentation |
Instrumentation.Builder |
InstrumentationTemplate |
JqueryCodingConvention | This describes the jQuery specific JavaScript coding conventions.
JsAst | Generates an AST for a JavaScript source file.
JSError | Compile error description
JsMessage | A representation of a translatable message in JavaScript source code.
JsMessage.Builder | Contains functionality for creating js messages.
JsMessage.PlaceholderReference | A reference to a placeholder in a translatable message.
JsMessageExtractor | Extracts messages and message comments from JS code.
JSModule | A JavaScript module has a unique name, consists of a list of compiler inputs, and can depend on other modules.
JSModuleGraph | A `JSModule` dependency graph that assigns a depth to each module and can answer depth-related queries about them.
JSSourceFile | An abstract representation of a JavaScript source file, as input to JSCompiler.
LightweightMessageFormatter | Lightweight message formatter.
LoggerErrorManager | An error manager that logs errors and warnings using a logger in addition to collecting them in memory.
NodeTraversal | Nodetraversal allows an iteration through the nodes in the parse tree, and facilitates the optimizations on the parse tree.
NodeTraversal.AbstractNodeTypePruningCallback | Abstract callback to visit a pruned set of nodes.
NodeTraversal.AbstractPostOrderCallback | Abstract callback to visit all nodes in post order.
NodeTraversal.AbstractScopedCallback | Abstract scoped callback to visit all nodes in post order.
NodeTraversal.AbstractShallowCallback | Abstract callback to visit all nodes but not traverse into function bodies.
NodeTraversal.AbstractShallowStatementCallback | Abstract callback to visit all structure and statement nodes but doesn't traverse into functions or expressions.
NodeUtil | NodeUtil contains utilities that get properties from the Node object.
ObjectPropertyStringPreprocess | Rewrites `new goog.testing.ObjectPropertyString(foo, 'bar')` to `new JSCompiler_ObjectPropertyString(window, foo.bar)`.
PassConfig | Pass factories and meta-data for native Compiler passes.
PassFactory | A factory for creating JSCompiler passes based on the Options injected.
PeepholeCollectPropertyAssignments | A pass that looks for assignments to properties of an object or array immediately following its creation using the abbreviated syntax.
PerformanceTracker |
PerformanceTracker.Stats |
PrintStreamErrorManager | An error manager that prints errors and warnings to the print stream provided in addition to the functionality of the `BasicErrorManager`.
ProcessCommonJSModules | Rewrites a Common JS module http://wiki.commonjs.org/wiki/Modules/1.1.1 into a form that can be safely concatenated.
Result | Compilation results
Scope | Scope contains information about a variable scope in javascript.
Scope.Arguments | A special subclass of Var used to distinguish "arguments" in the current scope.
Scope.Var | Stores info about a variable
ShowByPathWarningsGuard | Control whether warnings should be restricted or suppressed for specified paths.
SimpleRegion | Simple region.
SourceFile | An abstract representation of a source file that provides access to language-neutral features.
SourceFile.Builder | A builder interface for source files.
SourceMap | Collects information mapping the generated (compiled) source back to its original source for debugging purposes.
SourceMap.LocationMapping |
StatementFusion | Tries to fuse all the statements in a block into a one statement by using COMMAs.
StrictWarningsGuard | All warnings should be reported as errors.
SymbolTable | A symbol table for people that want to use Closure Compiler as an indexer.
SymbolTable.Reference |
SymbolTable.Symbol |
SymbolTable.SymbolScope |
SyntheticAst | An AST generated totally by the compiler.
TypeCheck | Checks the types of JS expressions against any declared type information.
VariableMap | Stores the mapping from original variable name to new variable names.
WarningsGuard | Class that allows to flexibly manage what to do with a reported warning/error.
WhitelistWarningsGuard | An extension of `WarningsGuard` that provides functionality to maintain a list of warnings (white-list).
WhitelistWarningsGuard.WhitelistBuilder |
XtbMessageBundle | A MessageBundle that parses messages from an XML Translation Bundle (XTB) file.

Enum Summary
AnonymousFunctionNamingPolicy | Strategies for how to do naming of anonymous functions that occur as r-values in assignments and variable declarations.
CheckLevel | Controls checking levels of certain options.
CheckLevelLegacy | Enum used in flags to control the behavior of JS compiler checks.
CodingConvention.SubclassType |
CompilationLevel | A CompilationLevel represents the level of optimization that should be applied when compiling JavaScript code.
CompilerOptions.LanguageMode | When to do the extra sanity checks
CompilerOptions.Reach |
CompilerOptions.TracerMode |
CompilerOptions.TweakProcessing |
CssRenamingMap.Style |
CustomPassExecutionTime | Custom pass type.
ErrorFormat | Error formats available.
JsMessage.Style | Message style that could be used for JS code parsing.
PropertyRenamingPolicy | Policies to determine how properties should be renamed.
ShowByPathWarningsGuard.ShowType | Controls whether warnings should be restricted to a specified path or suppressed within the specified path.
SourceExcerptProvider.SourceExcerpt | Source excerpt variety.
SourceMap.DetailLevel | Source maps can be very large different levels of detail can be specified.
SourceMap.Format |
VariableRenamingPolicy | Policies to determine which variables should be renamed.
WarningLevel | Convert the warnings level to an Options object.
WarningsGuard.Priority |

Exception Summary
JSModuleGraph.ModuleDependenceException |

## Package com.google.javascript.jscomp Description

Provides the core compiler and its public API.