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.TH NODE.JS "1" "2010" "" ""
.SH "NAME"
node \- Server-side JavaScript
.SH SYNOPSIS
.B node
[
.B \-v
]
[
.B \-\-debug
|
.B \-\-debug-brk
]
[
.B \-\-v8-options
]
.br
[
.B \-e
.I command
|
.I script.js
]
[
.I arguments
]
Execute without arguments to start the REPL.
.SH DESCRIPTION
Node is a set of libraries for javascript which allows
it to be used outside of the browser. It is primarily
focused on creating simple, easy to build network clients
and servers.
.SH ENVIRONMENT VARIABLES
.IP NODE_PATH
\':\'\-separated list of directories prefixed to the module search path.
.IP NODE_MODULE_CONTEXTS
If set to 1 then modules will load in their own global contexts.
.IP NODE_DISABLE_COLORS
If set to 1 then colors will not be used in the REPL.
.SH V8 OPTIONS
--harmony_typeof (enable harmony semantics for typeof)
type: bool default: false
--harmony_proxies (enable harmony proxies)
type: bool default: false
--harmony_weakmaps (enable harmony weak maps)
type: bool default: false
--harmony_block_scoping (enable harmony block scoping)
type: bool default: false
--unbox_double_arrays (automatically unbox arrays of doubles)
type: bool default: true
--string_slices (use string slices)
type: bool default: false
--crankshaft (use crankshaft)
type: bool default: true
--hydrogen_filter (hydrogen use/trace filter)
type: string default:
--use_hydrogen (use generated hydrogen for compilation)
type: bool default: true
--build_lithium (use lithium chunk builder)
type: bool default: true
--alloc_lithium (use lithium register allocator)
type: bool default: true
--use_lithium (use lithium code generator)
type: bool default: true
--use_range (use hydrogen range analysis)
type: bool default: true
--eliminate_dead_phis (eliminate dead phis)
type: bool default: true
--use_gvn (use hydrogen global value numbering)
type: bool default: true
--use_canonicalizing (use hydrogen instruction canonicalizing)
type: bool default: true
--use_inlining (use function inlining)
type: bool default: true
--limit_inlining (limit code size growth from inlining)
type: bool default: true
--eliminate_empty_blocks (eliminate empty blocks)
type: bool default: true
--loop_invariant_code_motion (loop invariant code motion)
type: bool default: true
--hydrogen_stats (print statistics for hydrogen)
type: bool default: false
--trace_hydrogen (trace generated hydrogen to file)
type: bool default: false
--trace_inlining (trace inlining decisions)
type: bool default: false
--trace_alloc (trace register allocator)
type: bool default: false
--trace_all_uses (trace all use positions)
type: bool default: false
--trace_range (trace range analysis)
type: bool default: false
--trace_gvn (trace global value numbering)
type: bool default: false
--trace_representation (trace representation types)
type: bool default: false
--stress_pointer_maps (pointer map for every instruction)
type: bool default: false
--stress_environments (environment for every instruction)
type: bool default: false
--deopt_every_n_times (deoptimize every n times a deopt point is passed)
type: int default: 0
--trap_on_deopt (put a break point before deoptimizing)
type: bool default: false
--deoptimize_uncommon_cases (deoptimize uncommon cases)
type: bool default: true
--polymorphic_inlining (polymorphic inlining)
type: bool default: true
--use_osr (use on-stack replacement)
type: bool default: true
--trace_osr (trace on-stack replacement)
type: bool default: false
--stress_runs (number of stress runs)
type: int default: 0
--optimize_closures (optimize closures)
type: bool default: true
--debug_code (generate extra code (assertions) for debugging)
type: bool default: false
--code_comments (emit comments in code disassembly)
type: bool default: false
--peephole_optimization (perform peephole optimizations in assembly code)
type: bool default: true
--enable_sse2 (enable use of SSE2 instructions if available)
type: bool default: true
--enable_sse3 (enable use of SSE3 instructions if available)
type: bool default: true
--enable_sse4_1 (enable use of SSE4.1 instructions if available)
type: bool default: true
--enable_cmov (enable use of CMOV instruction if available)
type: bool default: true
--enable_rdtsc (enable use of RDTSC instruction if available)
type: bool default: true
--enable_sahf (enable use of SAHF instruction if available (X64 only))
type: bool default: true
--enable_vfp3 (enable use of VFP3 instructions if available - this implies enabling ARMv7 instructions (ARM only))
type: bool default: true
--enable_armv7 (enable use of ARMv7 instructions if available (ARM only))
type: bool default: true
--enable_fpu (enable use of MIPS FPU instructions if available (MIPS only))
type: bool default: true
--expose_natives_as (expose natives in global object)
type: string default: NULL
--expose_debug_as (expose debug in global object)
type: string default: NULL
--expose_gc (expose gc extension)
type: bool default: false
--expose_externalize_string (expose externalize string extension)
type: bool default: false
--stack_trace_limit (number of stack frames to capture)
type: int default: 10
--disable_native_files (disable builtin natives files)
type: bool default: false
--inline_new (use fast inline allocation)
type: bool default: true
--stack_trace_on_abort (print a stack trace if an assertion failure occurs)
type: bool default: true
--trace (trace function calls)
type: bool default: false
--mask_constants_with_cookie (use random jit cookie to mask large constants)
type: bool default: true
--lazy (use lazy compilation)
type: bool default: true
--trace_opt (trace lazy optimization)
type: bool default: false
--trace_opt_stats (trace lazy optimization statistics)
type: bool default: false
--opt (use adaptive optimizations)
type: bool default: true
--opt_eagerly (be more eager when adaptively optimizing)
type: bool default: false
--always_opt (always try to optimize functions)
type: bool default: false
--prepare_always_opt (prepare for turning on always opt)
type: bool default: false
--deopt (support deoptimization)
type: bool default: true
--trace_deopt (trace deoptimization)
type: bool default: false
--min_preparse_length (minimum length for automatic enable preparsing)
type: int default: 1024
--always_full_compiler (try to use the dedicated run-once backend for all code)
type: bool default: false
--trace_bailout (print reasons for falling back to using the classic V8 backend)
type: bool default: false
--compilation_cache (enable compilation cache)
type: bool default: true
--cache_prototype_transitions (cache prototype transitions)
type: bool default: true
--trace_debug_json (trace debugging JSON request/response)
type: bool default: false
--debugger_auto_break (automatically set the debug break flag when debugger commands are in the queue)
type: bool default: true
--enable_liveedit (enable liveedit experimental feature)
type: bool default: true
--stack_size (default size of stack region v8 is allowed to use (in KkBytes))
type: int default: 1024
--max_stack_trace_source_length (maximum length of function source code printed in a stack trace.)
type: int default: 300
--always_inline_smi_code (always inline smi code in non-opt code)
type: bool default: false
--max_new_space_size (max size of the new generation (in kBytes))
type: int default: 0
--max_old_space_size (max size of the old generation (in Mbytes))
type: int default: 0
--max_executable_size (max size of executable memory (in Mbytes))
type: int default: 0
--gc_global (always perform global GCs)
type: bool default: false
--gc_interval (garbage collect after <n> allocations)
type: int default: -1
--trace_gc (print one trace line following each garbage collection)
type: bool default: false
--trace_gc_nvp (print one detailed trace line in name=value format after each garbage collection)
type: bool default: false
--print_cumulative_gc_stat (print cumulative GC statistics in name=value format on exit)
type: bool default: false
--trace_gc_verbose (print more details following each garbage collection)
type: bool default: false
--collect_maps (garbage collect maps from which no objects can be reached)
type: bool default: true
--flush_code (flush code that we expect not to use again before full gc)
type: bool default: true
--use_idle_notification (Use idle notification to reduce memory footprint.)
type: bool default: true
--use_ic (use inline caching)
type: bool default: true
--native_code_counters (generate extra code for manipulating stats counters)
type: bool default: false
--always_compact (Perform compaction on every full GC)
type: bool default: false
--never_compact (Never perform compaction on full GC - testing only)
type: bool default: false
--cleanup_code_caches_at_gc (Flush inline caches prior to mark compact collection and flush code caches in maps during mark compact cycle.)
type: bool default: true
--random_seed (Default seed for initializing random generator (0, the default, means to use system random).)
type: int default: 0
--canonicalize_object_literal_maps (Canonicalize maps for object literals.)
type: bool default: true
--use_big_map_space (Use big map space, but don't compact if it grew too big.)
type: bool default: true
--max_map_space_pages (Maximum number of pages in map space which still allows to encode forwarding pointers. That's actually a constant, but it's useful to control it with a flag for better testing.)
type: int default: 65535
--h (print this message)
type: bool default: false
--new_snapshot (use new snapshot implementation)
type: bool default: true
--use_verbose_printer (allows verbose printing)
type: bool default: true
--allow_natives_syntax (allow natives syntax)
type: bool default: false
--strict_mode (allow strict mode directives)
type: bool default: true
--trace_sim (Trace simulator execution)
type: bool default: false
--check_icache (Check icache flushes in ARM simulator)
type: bool default: false
--stop_sim_at (Simulator stop after x number of instructions)
type: int default: 0
--sim_stack_alignment (Stack alingment in bytes in simulator (4 or 8, 8 is default))
type: int default: 8
--trace_exception (print stack trace when throwing exceptions)
type: bool default: false
--preallocate_message_memory (preallocate some memory to build stack traces.)
type: bool default: false
--randomize_hashes (randomize hashes to avoid predictable hash collisions (with snapshots this option cannot override the baked-in seed))
type: bool default: true
--hash_seed (Fixed seed to use to hash property keys (0 means random)(with snapshots this option cannot override the baked-in seed))
type: int default: 0
--preemption (activate a 100ms timer that switches between V8 threads)
type: bool default: false
--regexp_optimization (generate optimized regexp code)
type: bool default: true
--regexp_entry_native (use native code to enter regexp)
type: bool default: true
--testing_bool_flag (testing_bool_flag)
type: bool default: true
--testing_int_flag (testing_int_flag)
type: int default: 13
--testing_float_flag (float-flag)
type: float default: 2.500000
--testing_string_flag (string-flag)
type: string default: Hello, world!
--testing_prng_seed (Seed used for threading test randomness)
type: int default: 42
--testing_serialization_file (file in which to serialize heap)
type: string default: /tmp/serdes
--help (Print usage message, including flags, on console)
type: bool default: true
--dump_counters (Dump counters on exit)
type: bool default: false
--debugger (Enable JavaScript debugger)
type: bool default: false
--remote_debugger (Connect JavaScript debugger to the debugger agent in another process)
type: bool default: false
--debugger_agent (Enable debugger agent)
type: bool default: false
--debugger_port (Port to use for remote debugging)
type: int default: 5858
--map_counters (Map counters to a file)
type: string default:
--js_arguments (Pass all remaining arguments to the script. Alias for "--".)
type: arguments default:
--debug_compile_events (Enable debugger compile events)
type: bool default: true
--debug_script_collected_events (Enable debugger script collected events)
type: bool default: true
--gdbjit (enable GDBJIT interface (disables compacting GC))
type: bool default: false
--gdbjit_full (enable GDBJIT interface for all code objects)
type: bool default: false
--gdbjit_dump (dump elf objects with debug info to disk)
type: bool default: false
--gdbjit_dump_filter (dump only objects containing this substring)
type: string default:
--enable_slow_asserts (enable asserts that are slow to execute)
type: bool default: false
--trace_codegen (print name of functions for which code is generated)
type: bool default: false
--print_source (pretty print source code)
type: bool default: false
--print_builtin_source (pretty print source code for builtins)
type: bool default: false
--print_ast (print source AST)
type: bool default: false
--print_builtin_ast (print source AST for builtins)
type: bool default: false
--print_json_ast (print source AST as JSON)
type: bool default: false
--print_builtin_json_ast (print source AST for builtins as JSON)
type: bool default: false
--stop_at (function name where to insert a breakpoint)
type: string default:
--verify_stack_height (verify stack height tracing on ia32)
type: bool default: false
--print_builtin_scopes (print scopes for builtins)
type: bool default: false
--print_scopes (print scopes)
type: bool default: false
--trace_contexts (trace contexts operations)
type: bool default: false
--gc_greedy (perform GC prior to some allocations)
type: bool default: false
--gc_verbose (print stuff during garbage collection)
type: bool default: false
--heap_stats (report heap statistics before and after GC)
type: bool default: false
--code_stats (report code statistics after GC)
type: bool default: false
--verify_heap (verify heap pointers before and after GC)
type: bool default: false
--print_handles (report handles after GC)
type: bool default: false
--print_global_handles (report global handles after GC)
type: bool default: false
--trace_ic (trace inline cache state transitions)
type: bool default: false
--trace_normalization (prints when objects are turned into dictionaries.)
type: bool default: false
--trace_lazy (trace lazy compilation)
type: bool default: false
--debug_serialization (write debug information into the snapshot.)
type: bool default: false
--collect_heap_spill_statistics (report heap spill statistics along with heap_stats (requires heap_stats))
type: bool default: false
--trace_isolates (trace isolate state changes)
type: bool default: false
--log_state_changes (Log state changes.)
type: bool default: false
--regexp_possessive_quantifier (enable possessive quantifier syntax for testing)
type: bool default: false
--trace_regexp_bytecodes (trace regexp bytecode execution)
type: bool default: false
--trace_regexp_assembler (trace regexp macro assembler calls.)
type: bool default: false
--log (Minimal logging (no API, code, GC, suspect, or handles samples).)
type: bool default: false
--log_all (Log all events to the log file.)
type: bool default: false
--log_runtime (Activate runtime system %Log call.)
type: bool default: false
--log_api (Log API events to the log file.)
type: bool default: false
--log_code (Log code events to the log file without profiling.)
type: bool default: false
--log_gc (Log heap samples on garbage collection for the hp2ps tool.)
type: bool default: false
--log_handles (Log global handle events.)
type: bool default: false
--log_snapshot_positions (log positions of (de)serialized objects in the snapshot.)
type: bool default: false
--log_suspect (Log suspect operations.)
type: bool default: false
--prof (Log statistical profiling information (implies --log-code).)
type: bool default: false
--prof_auto (Used with --prof, starts profiling automatically)
type: bool default: true
--prof_lazy (Used with --prof, only does sampling and logging when profiler is active (implies --noprof_auto).)
type: bool default: false
--prof_browser_mode (Used with --prof, turns on browser-compatible mode for profiling.)
type: bool default: true
--log_regexp (Log regular expression execution.)
type: bool default: false
--sliding_state_window (Update sliding state window counters.)
type: bool default: false
--logfile (Specify the name of the log file.)
type: string default: v8.log
--ll_prof (Enable low-level linux profiler.)
type: bool default: false
--print_code_stubs (print code stubs)
type: bool default: false
--print_code (print generated code)
type: bool default: false
--print_opt_code (print optimized code)
type: bool default: false
--print_unopt_code (print unoptimized code before printing optimized code based on it)
type: bool default: false
--print_code_verbose (print more information for code)
type: bool default: false
--print_builtin_code (print generated code for builtins)
type: bool default: false
.SH RESOURCES AND DOCUMENTATION
See the website for documentation http://nodejs.org/
Mailing list: http://groups.google.com/group/nodejs
IRC: irc.freenode.net #node.js
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