CSE2410 Fall 2014 Bounce

#define DEFINE_implication(whenflag, thenflag)

#endif

#ifdef FLAG_MODE_DECLARE

// Structure used to hold a collection of arguments to the JavaScript code.

struct JSArguments {

public:

  inline const char*& operator[] (int idx) const {

  }

  static JSArguments Create(int argc, const char** argv) {

    JSArguments args;

    return args;

  }

  }

};

#endif

#endif

#define DEFINE_bool(nam, def, cmt)   FLAG(BOOL, bool, nam, def, cmt)

#define DEFINE_int(nam, def, cmt)    FLAG(INT, int, nam, def, cmt)

#define DEFINE_float(nam, def, cmt)  FLAG(FLOAT, double, nam, def, cmt)

#define DEFINE_string(nam, def, cmt) FLAG(STRING, const char*, nam, def, cmt)

#define DEFINE_ALIAS_bool(alias, nam)  FLAG_ALIAS(BOOL, bool, alias, nam)

#define DEFINE_ALIAS_int(alias, nam)   FLAG_ALIAS(INT, int, alias, nam)

            "enable harmony collections (sets, maps, and weak maps)")

DEFINE_bool(harmony_observation, false,

            "enable harmony object observation (implies harmony collections")

DEFINE_bool(harmony_generators, false, "enable harmony generators")

DEFINE_bool(harmony_iteration, false, "enable harmony iteration (for-of)")

DEFINE_bool(harmony_numeric_literals, false,

            "enable harmony numeric literals (0o77, 0b11)")

DEFINE_bool(harmony_strings, false, "enable harmony string")

DEFINE_bool(harmony_arrays, false, "enable harmony arrays")

DEFINE_bool(harmony, false, "enable all harmony features (except typeof)")

DEFINE_implication(harmony, harmony_scoping)

DEFINE_implication(harmony, harmony_modules)

DEFINE_implication(harmony, harmony_numeric_literals)

DEFINE_implication(harmony, harmony_strings)

DEFINE_implication(harmony, harmony_arrays)

DEFINE_implication(harmony_modules, harmony_scoping)

DEFINE_implication(harmony_observation, harmony_collections)

// Flags for experimental implementation features.

DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes")

DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values")

            "Optimize object size, Array shift, DOM strings and string +")

DEFINE_bool(pretenuring, true, "allocate objects in old space")

// TODO(hpayer): We will remove this flag as soon as we have pretenuring

// support for specific allocation sites.

DEFINE_bool(pretenuring_call_new, false, "pretenure call new")

DEFINE_bool(track_fields, true, "track fields with only smi values")

DEFINE_bool(track_double_fields, true, "track fields with double values")

DEFINE_bool(track_heap_object_fields, true, "track fields with heap values")

DEFINE_implication(track_computed_fields, track_fields)

DEFINE_bool(smi_binop, true, "support smi representation in binary operations")

// Flags for data representation optimizations

DEFINE_bool(unbox_double_arrays, true, "automatically unbox arrays of doubles")

DEFINE_bool(string_slices, true, "use string slices")

DEFINE_bool(use_gvn, true, "use hydrogen global value numbering")

DEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing")

DEFINE_bool(use_inlining, true, "use function inlining")

DEFINE_bool(use_allocation_folding, true, "use allocation folding")

DEFINE_int(max_inlining_levels, 5, "maximum number of inlining levels")

DEFINE_int(max_inlined_source_size, 600,

           "maximum cumulative number of AST nodes considered for inlining")

DEFINE_bool(loop_invariant_code_motion, true, "loop invariant code motion")

DEFINE_bool(fast_math, true, "faster (but maybe less accurate) math functions")

            "crankshaft harvests type feedback from stub cache")

DEFINE_bool(hydrogen_stats, false, "print statistics for hydrogen")

DEFINE_bool(trace_hydrogen, false, "trace generated hydrogen to file")

DEFINE_string(trace_hydrogen_filter, "*", "hydrogen tracing filter")

DEFINE_bool(trace_hydrogen_stubs, false, "trace generated hydrogen for stubs")

DEFINE_string(trace_hydrogen_file, NULL, "trace hydrogen to given file name")

DEFINE_string(trace_phase, "HLZ", "trace generated IR for specified phases")

DEFINE_bool(trace_inlining, false, "trace inlining decisions")

DEFINE_bool(trace_alloc, false, "trace register allocator")

DEFINE_bool(trace_all_uses, false, "trace all use positions")

DEFINE_bool(trace_range, false, "trace range analysis")

DEFINE_bool(trace_generalization, false, "trace map generalization")

DEFINE_bool(stress_pointer_maps, false, "pointer map for every instruction")

DEFINE_bool(stress_environments, false, "environment for every instruction")

           "deoptimize every n times a deopt point is passed")

           "deoptimize every n garbage collections")

DEFINE_bool(print_deopt_stress, false, "print number of possible deopt points")

DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")

            "perform array index dehoisting")

DEFINE_bool(analyze_environment_liveness, true,

            "analyze liveness of environment slots and zap dead values")

DEFINE_bool(dead_code_elimination, true, "use dead code elimination")

DEFINE_bool(fold_constants, true, "use constant folding")

DEFINE_bool(trace_dead_code_elimination, false, "trace dead code elimination")

DEFINE_bool(track_allocation_sites, true,

            "Use allocation site info to reduce transitions")

DEFINE_bool(trace_osr, false, "trace on-stack replacement")

DEFINE_bool(inline_arguments, true, "inline functions with arguments object")

DEFINE_bool(inline_accessors, true, "inline JavaScript accessors")

DEFINE_int(loop_weight, 1, "loop weight for representation inference")

DEFINE_bool(optimize_for_in, true,

            "optimize functions containing for-in loops")

           "the length of the concurrent compilation queue")

DEFINE_int(concurrent_recompilation_delay, 0,

           "artificial compilation delay in ms")

DEFINE_bool(concurrent_osr, false,

            "concurrent on-stack replacement")

DEFINE_bool(omit_map_checks_for_leaf_maps, true,

            "do not emit check maps for constant values that have a leaf map, "

DEFINE_string(expose_natives_as, NULL, "expose natives in global object")

DEFINE_string(expose_debug_as, NULL, "expose debug in global object")

DEFINE_bool(expose_gc, false, "expose gc extension")

              "expose gc extension under the specified name")

DEFINE_implication(expose_gc_as, expose_gc)

DEFINE_bool(expose_externalize_string, false,

DEFINE_bool(trace_codegen, false,

            "print name of functions for which code is generated")

DEFINE_bool(trace, false, "trace function calls")

            "use random jit cookie to mask large constants")

// codegen.cc

            "garbage collect maps from which no objects can be reached")

DEFINE_bool(weak_embedded_maps_in_optimized_code, true,

            "make maps embedded in optimized code weak")

DEFINE_bool(flush_code, true,

            "flush code that we expect not to use again (during full gc)")

DEFINE_bool(flush_code_incrementally, true,

DEFINE_bool(concurrent_sweeping, false, "enable concurrent sweeping")

DEFINE_int(sweeper_threads, 0,

           "number of parallel and concurrent sweeping threads")

#ifdef VERIFY_HEAP

DEFINE_bool(verify_heap, false, "verify heap pointers before and after GC")

#endif

// v8.cc

DEFINE_bool(use_idle_notification, true,

            "Use idle notification to reduce memory footprint.")

// ic.cc

DEFINE_bool(use_ic, true, "use inline caching")

// macro-assembler-ia32.cc

DEFINE_bool(native_code_counters, false,

            "print stack trace when throwing exceptions")

DEFINE_bool(preallocate_message_memory, false,

            "preallocate some memory to build stack traces.")

            "randomize hashes to avoid predictable hash collisions "

            "(with snapshots this option cannot override the baked-in seed)")

           "Fixed seed to use to hash property keys (0 means random)"

           "(with snapshots this option cannot override the baked-in seed)")

// v8.cc

DEFINE_bool(preemption, false,

            "activate a 100ms timer that switches between V8 threads")

// Testing flags test/cctest/test-{flags,api,serialization}.cc

DEFINE_bool(testing_bool_flag, true, "testing_bool_flag")

DEFINE_int(testing_int_flag, 13, "testing_int_flag")

DEFINE_float(testing_float_flag, 2.5, "float-flag")

DEFINE_string(testing_string_flag, "Hello, world!", "string-flag")

DEFINE_string(extra_code, NULL, "A filename with extra code to be included in"

                  " the snapshot (mksnapshot only)")

//

// Dev shell flags

//

#endif  // ENABLE_DEBUGGER_SUPPORT

DEFINE_string(map_counters, "", "Map counters to a file")

            "Pass all remaining arguments to the script. Alias for \"--\".")

#if defined(WEBOS__)

#endif

// checks.cc

DEFINE_bool(enable_slow_asserts, false,

            "enable asserts that are slow to execute")

// codegen-ia32.cc / codegen-arm.cc / macro-assembler-*.cc

DEFINE_bool(print_source, false, "pretty print source code")

DEFINE_int(print_interface_depth, 5, "depth for printing interfaces")

// objects.cc

            "prints when objects are turned into dictionaries.")

// runtime.cc

DEFINE_bool(trace_isolates, false, "trace isolate state changes")

// Regexp

            "enable possessive quantifier syntax for testing")

DEFINE_bool(trace_regexp_bytecodes, false, "trace regexp bytecode execution")

            "trace regexp macro assembler calls.")

//

            "Used with --prof, turns on browser-compatible mode for profiling.")

DEFINE_bool(log_regexp, false, "Log regular expression execution.")

DEFINE_string(logfile, "v8.log", "Specify the name of the log file.")

DEFINE_bool(ll_prof, false, "Enable low-level linux profiler.")

DEFINE_string(gc_fake_mmap, "/tmp/__v8_gc__",

              "Specify the name of the file for fake gc mmap used in ll_prof")

// elements.cc

DEFINE_bool(trace_elements_transitions, false, "trace elements transitions")

// code-stubs.cc

DEFINE_bool(print_code_stubs, false, "print code stubs")

            "test secondary stub cache by disabling the primary one")

            "test primary stub cache by disabling the secondary one")

// codegen-ia32.cc / codegen-arm.cc

DEFINE_bool(print_code, false, "print generated code")

DEFINE_bool(print_opt_code, false, "print optimized code")

            "printing optimized code based on it")

DEFINE_bool(print_code_verbose, false, "print more information for code")

DEFINE_bool(print_builtin_code, false, "print generated code for builtins")

#ifdef ENABLE_DISASSEMBLER

DEFINE_bool(print_all_code, false, "enable all flags related to printing code")

DEFINE_implication(print_all_code, print_code)

DEFINE_implication(print_all_code, print_opt_code)

#endif

#endif

// Cleanup...

#undef FLAG_FULL

#undef FLAG_READONLY

#undef FLAG_ALIAS

#undef DEFINE_bool

#undef DEFINE_int

#undef DEFINE_string

#undef DEFINE_float

#undef FLAG_MODE_DEFINE_DEFAULTS

#undef FLAG_MODE_META

#undef FLAG_MODE_DEFINE_IMPLICATIONS