Page Contents Reference GWT 2.7.0 GWT 2.8.0

Compiler

This covers Compiler program arguments reference.

Reference

GWT 2.7.0

Program arguments for running Compiler in GWT 2.7.0.

  • Compiler entrypoint:

    Compiler [-logLevel level] [-workDir dir] [-[no]compileReport] [-X[no]checkCasts] [-X[no]classMetadata] [-[no]draftCompile] [-[no]checkAssertions] [-X[no]closureCompiler] [-XfragmentCount numFragments] [-XfragmentMerge numFragments] [-gen dir] [-[no]incrementalCompileWarnings] [-XjsInteropMode [NONE, JS, CLOSURE]] [-missingDepsFile file] [-Xnamespace PACKAGE, NONE] [-optimize level] [-[no]overlappingSourceWarnings] [-[no]saveSource] [-style style] [-[no]failOnError] [-X[no]enforceStrictResources] [-[no]validateOnly] [-sourceLevel [auto, 1.6, 1.7]] [-localWorkers count] [-[no]incremental] [-war dir] [-deploy dir] [-extra dir] [-saveSourceOutput dir] [-XmethodNameDisplayMode NONE | ONLY_METHOD_NAME | ABBREVIATED | FULL] module[s] 

where 
  -logLevel                        The level of logging detail: ERROR, WARN, INFO, TRACE, DEBUG, SPAM, or ALL
  -workDir                         The compiler's working directory for internal use (must be writeable; defaults to a system temp dir)
  -[no]compileReport               Compile a report that tells the "Story of Your Compile". (defaults to OFF)
  -X[no]checkCasts                 EXPERIMENTAL: Insert run-time checking of cast operations. (defaults to ON)
  -X[no]classMetadata              EXPERIMENTAL: Include metadata for some java.lang.Class methods (e.g. getName()). (defaults to ON)
  -[no]draftCompile                Compile quickly with minimal optimizations. (defaults to OFF)
  -[no]checkAssertions             Include assert statements in compiled output. (defaults to OFF)
  -X[no]closureCompiler            EXPERIMENTAL: Compile output Javascript with the Closure compiler for even further optimizations. (defaults to OFF)
  -XfragmentCount                  EXPERIMENTAL: Limits of number of fragments using a code splitter that merges split points.
  -XfragmentMerge                  DEPRECATED (use -XfragmentCount instead): Enables Fragment merging code splitter.
  -gen                             Debugging: causes normally-transient generated types to be saved in the specified directory
  -[no]incrementalCompileWarnings  Whether to show warnings during monolithic compiles for issues that will break in incremental compiles (strict compile errors, strict source directory inclusion, missing dependencies). (defaults to OFF)
  -XjsInteropMode                  Specifies JsInterop mode, either NONE, JS, or CLOSURE (defaults to NONE)
  -missingDepsFile                 Specifies a file into which detailed missing dependency information will be written.
  -Xnamespace                      Puts most JavaScript globals into namespaces. Default: PACKAGE for -draftCompile, otherwise NONE
  -optimize                        Sets the optimization level used by the compiler.  0=none 9=maximum.
  -[no]overlappingSourceWarnings   Whether to show warnings during monolithic compiles for overlapping source inclusion. (defaults to OFF)
  -[no]saveSource                  Enables saving source code needed by debuggers. Also see -debugDir. (defaults to OFF)
  -style                           Script output style: OBF[USCATED], PRETTY, or DETAILED (defaults to OBF)
  -[no]failOnError                 Fail compilation if any input file contains an error. (defaults to OFF)
  -X[no]enforceStrictResources     EXPERIMENTAL: Avoid adding implicit dependencies on "client" and "public" for modules that don't define any dependencies. (defaults to OFF)
  -[no]validateOnly                Validate all source code, but do not compile. (defaults to OFF)
  -sourceLevel                     Specifies Java source level (defaults to auto:1.7)
  -localWorkers                    The number of local workers to use when compiling permutations
  -[no]incremental                 Compiles faster by reusing data from the previous compile. (defaults to OFF)
  -war                             The directory into which deployable output files will be written (defaults to 'war')
  -deploy                          The directory into which deployable but not servable output files will be written (defaults to 'WEB-INF/deploy' under the -war directory/jar, and may be the same as the -extra directory/jar)
  -extra                           The directory into which extra files, not intended for deployment, will be written
  -saveSourceOutput                Overrides where source files useful to debuggers will be written. Default: saved with extras.
  -XmethodNameDisplayMode          Emit extra information allow chrome dev tools to display Java identifiers in many places instead of JavaScript functions.
and 
  module[s]                        Specifies the name(s) of the module(s) to compile

    GWT 2.8.0

    Program arguments for running Compiler in GWT 2.8.0.

  • Compiler entrypoint:

    Compiler [-logLevel (ERROR|WARN|INFO|TRACE|DEBUG|SPAM|ALL)] [-workDir dir] [-X[no]closureFormattedOutput] [-[no]compileReport] [-X[no]checkCasts] [-X[no]classMetadata] [-[no]draftCompile] [-[no]checkAssertions] [-XfragmentCount numFragments] [-XfragmentMerge numFragments] [-gen dir] [-[no]generateJsInteropExports] [-XmethodNameDisplayMode (NONE|ONLY_METHOD_NAME|ABBREVIATED|FULL)] [-Xnamespace (NONE|PACKAGE)] [-optimize level] [-[no]saveSource] [-setProperty name=value,value...] [-style (DETAILED|OBFUSCATED|PRETTY)] [-[no]failOnError] [-[no]validateOnly] [-sourceLevel [auto, 1.8]] [-localWorkers count] [-[no]incremental] [-war dir] [-deploy dir] [-extra dir] [-saveSourceOutput dir] module[s] 

where 
  -logLevel                      The level of logging detail: ERROR, WARN, INFO, TRACE, DEBUG, SPAM or ALL (defaults to INFO)
  -workDir                       The compiler's working directory for internal use (must be writeable; defaults to a system temp dir)
  -X[no]closureFormattedOutput   EXPERIMENTAL: Enables Javascript output suitable for post-compilation by Closure Compiler (defaults to OFF)
  -[no]compileReport             Compile a report that tells the "Story of Your Compile". (defaults to OFF)
  -X[no]checkCasts               EXPERIMENTAL: DEPRECATED: use jre.checks.checkLevel instead. (defaults to OFF)
  -X[no]classMetadata            EXPERIMENTAL: Include metadata for some java.lang.Class methods (e.g. getName()). (defaults to ON)
  -[no]draftCompile              Compile quickly with minimal optimizations. (defaults to OFF)
  -[no]checkAssertions           Include assert statements in compiled output. (defaults to OFF)
  -XfragmentCount                EXPERIMENTAL: Limits of number of fragments using a code splitter that merges split points.
  -XfragmentMerge                DEPRECATED (use -XfragmentCount instead): Enables Fragment merging code splitter.
  -gen                           Debugging: causes normally-transient generated types to be saved in the specified directory
  -[no]generateJsInteropExports  Generate exports for JsInterop purposes (defaults to OFF)
  -XmethodNameDisplayMode        EXPERIMENTAL: Specifies method display name mode for chrome devtools: NONE, ONLY_METHOD_NAME, ABBREVIATED or FULL (defaults to NONE)
  -Xnamespace                    Puts most JavaScript globals into namespaces. Default: PACKAGE for -draftCompile, otherwise NONE
  -optimize                      Sets the optimization level used by the compiler.  0=none 9=maximum.
  -[no]saveSource                Enables saving source code needed by debuggers. Also see -debugDir. (defaults to OFF)
  -setProperty                   Set the values of a property in the form of propertyName=value1[,value2...].
  -style                         Script output style: DETAILED, OBFUSCATED or PRETTY (defaults to OBFUSCATED)
  -[no]failOnError               Fail compilation if any input file contains an error. (defaults to OFF)
  -[no]validateOnly              Validate all source code, but do not compile. (defaults to OFF)
  -sourceLevel                   Specifies Java source level (defaults to 1.8)
  -localWorkers                  The number of local workers to use when compiling permutations
  -[no]incremental               Compiles faster by reusing data from the previous compile. (defaults to OFF)
  -war                           The directory into which deployable output files will be written (defaults to 'war')
  -deploy                        The directory into which deployable but not servable output files will be written (defaults to 'WEB-INF/deploy' under the -war directory/jar, and may be the same as the -extra directory/jar)
  -extra                         The directory into which extra files, not intended for deployment, will be written
  -saveSourceOutput              Overrides where source files useful to debuggers will be written. Default: saved with extras.
and 
  module[s]                      Specifies the name(s) of the module(s) to compile
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