diff options
Diffstat (limited to 'lib/compiler/src/beam_validator.erl')
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 7e1324cf61..9d5563d13b 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2013. All Rights Reserved. +%% Copyright Ericsson AB 2004-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -213,9 +213,12 @@ validate_error_1(Error, Module, Name, Ar) -> {{Module,Name,Ar}, {internal_error,'_',{Error,erlang:get_stacktrace()}}}. +-type index() :: non_neg_integer(). +-type reg_tab() :: gb_trees:tree(index(), 'none' | {'value', _}). + -record(st, %Emulation state - {x=init_regs(0, term) :: gb_tree(), %x register info. - y=init_regs(0, initialized) :: gb_tree(), %y register info. + {x=init_regs(0, term) :: reg_tab(),%x register info. + y=init_regs(0, initialized) :: reg_tab(),%y register info. f=init_fregs(), % numy=none, %Number of y registers. h=0, %Available heap size. @@ -227,11 +230,16 @@ validate_error_1(Error, Module, Name, Ar) -> setelem=false %Previous instruction was setelement/3. }). +-type label() :: integer(). +-type label_set() :: gb_sets:set(label()). +-type branched_tab() :: gb_trees:tree(label(), #st{}). +-type ft_tab() :: gb_trees:tree(). + -record(vst, %Validator state {current=none :: #st{} | 'none', %Current state - branched=gb_trees:empty() :: gb_tree(), %States at jumps - labels=gb_sets:empty() :: gb_set(), %All defined labels - ft=gb_trees:empty() :: gb_tree() %Some other functions + branched=gb_trees:empty() :: branched_tab(), %States at jumps + labels=gb_sets:empty() :: label_set(), %All defined labels + ft=gb_trees:empty() :: ft_tab() %Some other functions % in the module (those that start with bs_start_match2). }). |