Module: Ruby2CExtension::CommonNodeComp
- Includes:
- Tools::EnsureNodeTypeMixin
- Included in:
- Ruby2CExtension::CFunction::Base
- Defined in:
- lib/ruby2cext/common_node_comp.rb
Constant Summary collapse
- NON_ITER_PROC =
proc { |str, args, arg_types| str % args }
Instance Method Summary collapse
- #build_args(args, one_extra = false) ⇒ Object
- #build_c_arr(arr, var_name, extra = 0) ⇒ Object
- #c_else ⇒ Object
- #c_for(exprs) ⇒ Object
- #c_if(cond) ⇒ Object
- #c_scope ⇒ Object
- #c_scope_res ⇒ Object
- #c_static_once ⇒ Object
- #comp(node) ⇒ Object
- #comp_alias(hash) ⇒ Object
- #comp_and(hash) ⇒ Object
- #comp_argscat(hash) ⇒ Object
- #comp_argspush(hash) ⇒ Object
- #comp_array(arr) ⇒ Object
- #comp_attrasgn(hash) ⇒ Object
- #comp_back_ref(hash) ⇒ Object
- #comp_begin(hash) ⇒ Object
- #comp_block(exprs) ⇒ Object
- #comp_block_pass(hash) ⇒ Object
- #comp_break(hash) ⇒ Object
- #comp_call(hash, &iter_proc) ⇒ Object
- #comp_case(hash) ⇒ Object
- #comp_cdecl(hash) ⇒ Object
- #comp_class(hash) ⇒ Object
- #comp_colon2(hash) ⇒ Object
- #comp_colon3(hash) ⇒ Object
- #comp_const(hash) ⇒ Object
- #comp_cvar(hash) ⇒ Object
- #comp_cvasgn(hash, decl = false) ⇒ Object
- #comp_cvdecl(hash) ⇒ Object
- #comp_dasgn(hash) ⇒ Object
- #comp_dasgn_curr(hash) ⇒ Object
- #comp_defined(hash) ⇒ Object
- #comp_defn(hash) ⇒ Object
- #comp_defs(hash) ⇒ Object
- #comp_dot2(hash) ⇒ Object
- #comp_dot3(hash) ⇒ Object
- #comp_dregx(hash) ⇒ Object
- #comp_dregx_once(hash) ⇒ Object
- #comp_dstr(hash) ⇒ Object
- #comp_dsym(hash) ⇒ Object
- #comp_dvar(hash) ⇒ Object
- #comp_dxstr(hash) ⇒ Object
- #comp_ensure(hash) ⇒ Object
- #comp_evstr(hash) ⇒ Object
- #comp_false(hash) ⇒ Object
- #comp_fcall(hash, &iter_proc) ⇒ Object
- #comp_flip2(hash) ⇒ Object
- #comp_flip3(hash) ⇒ Object
- #comp_for(hash) ⇒ Object
- #comp_gasgn(hash) ⇒ Object
- #comp_gvar(hash) ⇒ Object
- #comp_hash(hash) ⇒ Object
- #comp_iasgn(hash) ⇒ Object
- #comp_if(hash) ⇒ Object
- #comp_iter(hash) ⇒ Object
- #comp_ivar(hash) ⇒ Object
- #comp_lasgn(hash) ⇒ Object
- #comp_lit(hash) ⇒ Object
- #comp_lvar(hash) ⇒ Object
- #comp_masgn(hash) ⇒ Object
- #comp_match(hash) ⇒ Object
- #comp_match2(hash) ⇒ Object
- #comp_match3(hash) ⇒ Object
- #comp_module(hash) ⇒ Object
- #comp_next(hash) ⇒ Object
- #comp_nil(hash) ⇒ Object
- #comp_not(hash) ⇒ Object
- #comp_nth_ref(hash) ⇒ Object
-
#comp_op_asgn1(hash) ⇒ Object
Ruby 1.8.4.
- #comp_op_asgn2(hash) ⇒ Object
- #comp_op_asgn_and(hash) ⇒ Object
- #comp_op_asgn_or(hash) ⇒ Object
- #comp_or(hash) ⇒ Object
- #comp_postexe(hash, &iter_proc) ⇒ Object
- #comp_redo(hash) ⇒ Object
- #comp_rescue(hash) ⇒ Object
- #comp_retry(hash) ⇒ Object
- #comp_return(hash) ⇒ Object
- #comp_sclass(hash) ⇒ Object
- #comp_self(hash) ⇒ Object
- #comp_splat(hash) ⇒ Object
- #comp_str(hash) ⇒ Object
- #comp_super(hash, &iter_proc) ⇒ Object
- #comp_svalue(hash) ⇒ Object
- #comp_to_ary(hash) ⇒ Object
- #comp_true(hash) ⇒ Object
- #comp_undef(hash) ⇒ Object
- #comp_until(hash) ⇒ Object
- #comp_valias(hash) ⇒ Object
- #comp_vcall(hash) ⇒ Object
- #comp_when(hash) ⇒ Object
- #comp_while(hash, is_until = false) ⇒ Object
- #comp_xstr(hash) ⇒ Object
- #comp_yield(hash) ⇒ Object
- #comp_zarray(hash) ⇒ Object
- #comp_zsuper(hash, &iter_proc) ⇒ Object
- #do_funcall(recv, mid, args, allow_private, iter_proc) ⇒ Object
- #get_global_entry(vid) ⇒ Object
- #handle_assign(asgn_node, val, undef_check = true) ⇒ Object
- #handle_dot(hash, dot3) ⇒ Object
- #handle_dyn_str(hash) ⇒ Object
- #handle_flip(hash, flip3) ⇒ Object
- #handle_iter(iter, bl_fun, closure) ⇒ Object
- #handle_method_args(arg, block_arg) ⇒ Object
- #handle_when(hash, test_proc) ⇒ Object
- #helper_class_module_check ⇒ Object
- #helper_super_allowed_check ⇒ Object
- #make_block(block) ⇒ Object
- #make_class_prefix(node) ⇒ Object
Methods included from Tools::EnsureNodeTypeMixin
Instance Method Details
#build_args(args, one_extra = false) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 201 def build_args(args, one_extra = false) if args.first == :array l "const int argc = #{args.last.size};" build_c_arr(args.last, "argv", one_extra ? 1 : 0) else l "int argc; VALUE *argv;" l "volatile VALUE argv_ary;" if in_while? assign_res(comp(args)) l "if (TYPE(res) != T_ARRAY) res = rb_ary_to_ary(res);" l "argc = RARRAY(res)->len;" if in_while? # don't use ALLOCA_N in a while loop to avoid a stack overflow l "argv_ary = rb_ary_dup(res);" l "rb_ary_push(argv_ary, Qnil);" if one_extra l "argv = RARRAY(argv_ary)->ptr;" else l "argv = ALLOCA_N(VALUE, argc#{one_extra ? " + 1" : ""});" l "MEMCPY(argv, RARRAY(res)->ptr, VALUE, argc);" end end end |
#build_c_arr(arr, var_name, extra = 0) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 195 def build_c_arr(arr, var_name, extra = 0) l "VALUE #{var_name}[#{arr.size + extra}];" arr.each_with_index { |n, i| l "#{var_name}[#{i}] = #{comp(n)};" } end |
#c_else ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 33 def c_else l "else {" yield l "}" end |
#c_for(exprs) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 38 def c_for(exprs) l "for (#{exprs}) {" yield l "}" end |
#c_if(cond) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 28 def c_if(cond) l "if (#{cond}) {" yield l "}" end |
#c_scope ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 16 def c_scope l "{" yield l "}" end |
#c_scope_res ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 21 def c_scope_res l "{" assign_res(yield) l "}" "res" end |
#c_static_once ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 44 def c_static_once c_scope_res { l "static VALUE static_once_value = Qundef;" c_if("static_once_value == Qundef") { assign_res(yield) # other thread might have been faster c_if("static_once_value == Qundef") { l "static_once_value = res;" l "rb_global_variable(&static_once_value);" } } "static_once_value" } end |
#comp(node) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 140 def comp(node) case node when false "Qnil" when String node else while (ntype = node.first) == :newline node = node.last[:next] end orig_node = node l "/* #{ntype} */" begin if (pps = compiler.preprocessors_for(ntype)) # apply each preprocessor until one returns a string or # a different node type pps.each { |pp_proc| node = pp_proc[self, node] break unless Array === node && node.first == ntype } end if Array === node && node.first == ntype __send__("comp_#{ntype}", node.last) else # retry with the result of preprocessing comp(node) end rescue Ruby2CExtError => e if Hash === orig_node.last && (n = orig_node.last[:node]) # add file and line to message raise "#{n.file}:#{n.line}: #{e}" else raise # reraise end end end end |
#comp_alias(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1251 def comp_alias(hash) if Array === hash[:new] # 1.8.5 c_scope { l "ID new_id;" l "new_id = rb_to_id(#{comp(hash[:new])});" l "rb_alias(#{get_class}, new_id, rb_to_id(#{comp(hash[:old])}));" } else l "rb_alias(#{get_class}, #{sym(hash[:new])}, #{sym(hash[:old])});" end "Qnil" end |
#comp_and(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 720 def comp_and(hash) assign_res(comp(hash[:first])) c_if("RTEST(res)") { assign_res(comp(hash[:second])) } "res" end |
#comp_argscat(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 336 def comp_argscat(hash) c_scope_res { l "VALUE head, body;" l "head = #{comp(hash[:head])};" l "body = #{comp(hash[:body])};" l "body = (NIL_P(body) ? rb_ary_new3(1, Qnil) : rb_Array(body));" "rb_ary_concat(head, body)" } end |
#comp_argspush(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 345 def comp_argspush(hash) # argspush is used in a[2,*a]=4 for example c_scope_res { l "VALUE head;" l "head = rb_ary_dup(#{comp(hash[:head])});" "rb_ary_push(head, #{comp(hash[:body])})" } end |
#comp_array(arr) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1129 def comp_array(arr) c_scope_res { l "VALUE ary = rb_ary_new2(#{arr.size});" arr.each_with_index { |n, i| l "RARRAY(ary)->ptr[#{i}] = #{comp(n)};" l "RARRAY(ary)->len = #{i+1};" } "ary" } end |
#comp_attrasgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 252 def comp_attrasgn(hash) fun = "rb_funcall#{hash[:recv] == 0 ? 2 : 3}" recv = (hash[:recv] == 0 ? get_self : comp(hash[:recv])) c_scope_res { l "VALUE recv = #{recv};" build_args(hash[:args]) l "#{fun}(recv, #{sym(hash[:mid])}, argc, argv);" "argv[argc - 1]" } end |
#comp_back_ref(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1114 def comp_back_ref(hash) case hash[:nth] when ?& "rb_reg_last_match(rb_backref_get())" when ?` "rb_reg_match_pre(rb_backref_get())" when ?' "rb_reg_match_post(rb_backref_get())" when ?+ "rb_reg_match_last(rb_backref_get())" else raise Ruby2CExtError, "unexpected back-ref type: '#{hash[:nth].chr}'" end end |
#comp_begin(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 354 def comp_begin(hash) comp(make_block(hash[:body])) end |
#comp_block(exprs) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 178 def comp_block(exprs) return "Qnil" if exprs.empty? last = exprs.last exprs[0..-2].each { |ex| l "#{comp(ex)};" } comp(last) end |
#comp_block_pass(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 517 def comp_block_pass(hash) # TODO: is just a workaround/hack, does not work with instance_eval etc. c_scope_res { l "VALUE proc;" l "proc = #{comp(hash[:body])};" iter = hash[:iter] c_if("NIL_P(proc)") { assign_res(__send__("comp_#{iter.first}", iter.last)) } c_else { # rb_obj_is_proc is static in eval.c, so we just convert and hope the best... add_helper <<-EOC #define PROC_TSHIFT (FL_USHIFT+1) #define PROC_TMASK (FL_USER1|FL_USER2|FL_USER3) static VALUE obj_to_proc(VALUE proc) { VALUE tmp; tmp = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc"); if (rb_class_real(CLASS_OF(tmp)) != rb_cProc) rb_raise(rb_eTypeError, "wrong argument type %s (expected Proc)", rb_obj_classname(proc)); proc = tmp; if (ruby_safe_level >= 1 && OBJ_TAINTED(proc) && ruby_safe_level > ((RBASIC(proc)->flags & PROC_TMASK) >> PROC_TSHIFT)) rb_raise(rb_eSecurityError, "Insecure: tainted block value"); return proc; } EOC l "proc = obj_to_proc(proc);" add_helper <<-EOC static VALUE block_pass_helper_block(VALUE bl_val, VALUE proc, VALUE self) { if (ruby_current_node->nd_state != 1) { if (bl_val == Qundef) bl_val = rb_ary_new2(0); else { VALUE tmp = rb_check_array_type(bl_val); bl_val = (NIL_P(tmp) ? rb_ary_new3(1, bl_val) : tmp); } } if (RARRAY(bl_val)->len == 0) return rb_funcall3(proc, #{sym(:call)}, 0, 0); else { int argc = RARRAY(bl_val)->len; VALUE *argv = ALLOCA_N(VALUE, argc); MEMCPY(argv, RARRAY(bl_val)->ptr, VALUE, argc); return rb_funcall3(proc, #{sym(:call)}, argc, argv); } } EOC assign_res(handle_iter(iter, "block_pass_helper_block", "proc")) } "res" } end |
#comp_break(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 580 def comp_break(hash) # must be implemented by the "user" of CommonNodeComp raise Ruby2CExtError::NotSupported, "break is not supported" end |
#comp_call(hash, &iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 248 def comp_call(hash, &iter_proc) do_funcall(comp(hash[:recv]), hash[:mid], hash[:args], false, iter_proc) end |
#comp_case(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 444 def comp_case(hash) ensure_node_type(hash[:body], :when) c_scope_res { l "VALUE case_val;" l "case_val = #{comp(hash[:head])};" handle_when(hash[:body].last, proc { |val| # Ruby 1.8.4 actually uses rb_funcall2, but a :call node # (which uses rb_funcall3) is more correct comp([:call, {:mid => :===, :recv => val, :args => [:array, ["case_val"]]}]) }) } end |
#comp_cdecl(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1038 def comp_cdecl(hash) c_scope_res { l "VALUE val;" l "val = #{comp(hash[:value])};" if Symbol === hash[:vid] l "rb_const_set(#{get_cbase}, #{sym(hash[:vid])}, val);" else out = make_class_prefix(hash[:else]) l "rb_const_set(#{out}, #{sym(hash[:else].last[:mid])}, val);" end "val" } end |
#comp_class(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1268 def comp_class(hash) add_helper <<-EOC static VALUE class_prep(VALUE prefix, VALUE super, ID cname) { VALUE klass; if (rb_const_defined_at(prefix, cname)) { klass = rb_const_get_at(prefix, cname); if (TYPE(klass) != T_CLASS) rb_raise(rb_eTypeError, "%s is not a class", rb_id2name(cname)); if (super) { VALUE tmp = rb_class_real(RCLASS(klass)->super); if (tmp != super) rb_raise(rb_eTypeError, "superclass mismatch for class %s", rb_id2name(cname)); } if (ruby_safe_level >= 4) rb_raise(rb_eSecurityError, "extending class prohibited"); } else { if (!super) super = rb_cObject; klass = rb_define_class_id(cname, super); rb_set_class_path(klass, prefix, rb_id2name(cname)); rb_const_set(prefix, cname, klass); rb_class_inherited(super, klass); } return klass; } EOC sup = hash[:super] c_scope_res { l "VALUE prefix, tmp_class;" l "VALUE super;" if sup puts out = make_class_prefix(hash[:cpath]) if out.nil? or out == '' or out == '(' puts 'bad', 'from', hash raise hash end l "prefix = #{out};" l "super = #{comp(sup)};" if sup l "tmp_class = class_prep(prefix, #{sup ? "super" : "0"}, #{sym(hash[:cpath].last[:mid])});" CFunction::ClassModuleScope.compile(self, hash[:body], "tmp_class", true) } end |
#comp_colon2(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1096 def comp_colon2(hash) mid = hash[:mid] if mid.to_s[0,1].downcase != mid.to_s[0,1] # then it is a constant helper_class_module_check assign_res(comp(hash[:head])) l "class_module_check(res);" "rb_const_get_from(res, #{sym(mid)})" else "rb_funcall(#{comp(hash[:head])}, #{sym(mid)}, 0, 0)" end end |
#comp_colon3(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1107 def comp_colon3(hash) "rb_const_get_from(rb_cObject, #{sym(hash[:mid])})" end |
#comp_const(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1072 def comp_const(hash) add_helper <<-EOC static VALUE const_get(ID id, NODE *cref) { NODE *cbase = cref; VALUE result; while (cbase && cbase->nd_next) { VALUE klass = cbase->nd_clss; while (RCLASS(klass)->iv_tbl && st_lookup(RCLASS(klass)->iv_tbl, id, &result)) { if (result == Qundef) { if (!RTEST(rb_autoload_load(klass, id))) break; continue; } return result; } cbase = cbase->nd_next; } return rb_const_get(cref->nd_clss, id); } EOC "const_get(#{sym(hash[:vid])}, #{get_cref})" end |
#comp_cvar(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1093 def comp_cvar(hash) "rb_cvar_get(#{get_cvar_cbase}, #{sym(hash[:vid])})" end |
#comp_cvasgn(hash, decl = false) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1051 def comp_cvasgn(hash, decl = false) assign_res(comp(hash[:value])) l "rb_cvar_set(#{get_cvar_cbase}, #{sym(hash[:vid])}, res, Q#{decl});" "res" end |
#comp_cvdecl(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1056 def comp_cvdecl(hash) comp_cvasgn(hash, true) end |
#comp_dasgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 990 def comp_dasgn(hash) "(#{scope.get_dvar(hash[:vid])} = #{comp(hash[:value])})" end |
#comp_dasgn_curr(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 993 def comp_dasgn_curr(hash) "(#{scope.get_dvar_curr(hash[:vid])} = #{comp(hash[:value])})" end |
#comp_defined(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1350 def comp_defined(hash) head = hash[:head] hhash = head.last res = case head.first when :match2, :match3 '"method"' when :yield '(rb_block_given_p() ? "yield" : 0)' when :self, :nil, :true, :false head.first.to_s.to_c_strlit when :op_asgn1, :op_asgn2, :masgn, :lasgn, :dasgn, :dasgn_curr, :gasgn, :iasgn, :cdecl, :cvdecl, :cvasgn # :attrset can never be parsed '"assignment"' when :lvar '"local-variable"' when :dvar '"local-variable(in-block)"' when :gvar "(rb_gvar_defined(#{get_global_entry(hhash[:vid])}) ? \"global-variable\" : 0)" when :ivar "(rb_ivar_defined(#{get_self}, #{sym(hhash[:vid])}) ? \"instance-variable\" : 0)" when :const add_helper <<-EOC static VALUE const_defined(ID id, NODE *cref) { NODE *cbase = cref; VALUE result; while (cbase && cbase->nd_next) { VALUE klass = cbase->nd_clss; if (RCLASS(klass)->iv_tbl && st_lookup(RCLASS(klass)->iv_tbl, id, &result)) { if (result == Qundef && NIL_P(rb_autoload_p(klass, id))) return Qfalse; return Qtrue; } cbase = cbase->nd_next; } return rb_const_defined(cref->nd_clss, id); } EOC "(const_defined(#{sym(hhash[:vid])}, #{get_cref}) ? \"constant\" : 0)" when :cvar "(rb_cvar_defined(#{get_cvar_cbase}, #{sym(hhash[:vid])}) ? \"class variable\" : 0)" when :colon3 "(rb_const_defined_from(rb_cObject, #{sym(hhash[:mid])}) ? \"constant\" : 0)" when :nth_ref "(RTEST(rb_reg_nth_defined(#{hhash[:nth]}, rb_backref_get())) ? \"$#{hhash[:nth]}\" : 0)" when :back_ref "(RTEST(rb_reg_nth_defined(0, rb_backref_get())) ? \"$#{hhash[:nth].chr}\" : 0)" else raise Ruby2CExtError::NotSupported, "defined? with node type #{head.first} is not supported" end if res[0,1] == '"' # just a string "rb_str_new2(#{res})" else c_scope_res { l "char * def_desc;" l "def_desc = #{res};" "(def_desc ? rb_str_new2(def_desc) : Qnil)" } end end |
#comp_defn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1208 def comp_defn(hash) add_helper <<-EOC static void class_nil_check(VALUE klass) { if (NIL_P(klass)) rb_raise(rb_eTypeError, "no class/module to add method"); } EOC l "class_nil_check(#{get_class});" # can happen in instance_eval for Fixnum/Symbol CFunction::Method.compile(self, hash[:defn], scope.vmode_def_fun, get_class, hash[:mid]) "Qnil" end |
#comp_defs(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1219 def comp_defs(hash) add_helper <<-EOC static void defs_allowed(VALUE recv, ID mid) { if (ruby_safe_level >= 4 && !OBJ_TAINTED(recv)) rb_raise(rb_eSecurityError, "Insecure: can't define singleton method"); if (OBJ_FROZEN(recv)) rb_error_frozen("object"); if (ruby_safe_level >= 4) { NODE *body = 0; VALUE klass = rb_singleton_class(recv); if (st_lookup(RCLASS(klass)->m_tbl, mid, (st_data_t *)&body)) rb_raise(rb_eSecurityError, "redefining method prohibited"); } } EOC c_scope_res { l "VALUE recv;" l "recv = #{comp(hash[:recv])};" l "defs_allowed(recv, #{sym(hash[:mid])});" CFunction::Method.compile(self, hash[:defn], "rb_define_singleton_method", "recv", hash[:mid]) "Qnil" } end |
#comp_dot2(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 745 def comp_dot2(hash) handle_dot(hash, false) end |
#comp_dot3(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 748 def comp_dot3(hash) handle_dot(hash, true) end |
#comp_dregx(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1195 def comp_dregx(hash) handle_dyn_str(hash) "rb_reg_new(RSTRING(res)->ptr, RSTRING(res)->len, #{hash[:cflag]})" end |
#comp_dregx_once(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1199 def comp_dregx_once(hash) c_static_once { comp_dregx(hash) } end |
#comp_dstr(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1184 def comp_dstr(hash) handle_dyn_str(hash) end |
#comp_dsym(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1191 def comp_dsym(hash) handle_dyn_str(hash) "rb_str_intern(res)" end |
#comp_dvar(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1063 def comp_dvar(hash) scope.get_dvar(hash[:vid]) end |
#comp_dxstr(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1187 def comp_dxstr(hash) handle_dyn_str(hash) "rb_funcall(#{get_self}, '`', 1, res)" end |
#comp_ensure(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 706 def comp_ensure(hash) cflow_hash = {} b = CFunction::Wrap.compile(self, "ensure_body", cflow_hash) { |cf| cf.comp(hash[:head]) } e = CFunction::Wrap.compile(self, "ensure_ensure") { |cf| cf.comp(hash[:ensr]) } # ensr without cflow ensr_code = "rb_ensure(#{b}, (VALUE)#{get_wrap_ptr}, #{e}, (VALUE)#{get_wrap_ptr})" if cflow_hash.empty? ensr_code else assign_res(ensr_code) CFunction::Wrap::handle_wrap_cflow(self, cflow_hash) "res" end end |
#comp_evstr(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1168 def comp_evstr(hash) "rb_obj_as_string(#{comp(hash[:body])})" end |
#comp_false(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 332 def comp_false(hash); "Qfalse"; end |
#comp_fcall(hash, &iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 244 def comp_fcall(hash, &iter_proc) do_funcall(get_self, hash[:mid], hash[:args], true, iter_proc) end |
#comp_flip2(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 775 def comp_flip2(hash) handle_flip(hash, false) end |
#comp_flip3(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 778 def comp_flip3(hash) handle_flip(hash, true) end |
#comp_for(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 568 def comp_for(hash) # transform to equivalent iter node hash = hash.dup hash[:iter] = [:call, {:args=>false, :mid=>:each, :recv=>hash[:iter]}] comp_iter(hash) end |
#comp_gasgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 996 def comp_gasgn(hash) assign_res(comp(hash[:value])) l "rb_gvar_set(#{get_global_entry(hash[:vid])}, res);" "res" end |
#comp_gvar(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1066 def comp_gvar(hash) "rb_gvar_get(#{get_global_entry(hash[:vid])})" end |
#comp_hash(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1143 def comp_hash(hash) if (arr = hash[:head]) ensure_node_type(arr, :array) arr = arr.last raise Ruby2CExtError, "odd number list for hash" unless arr.size % 2 == 0 c_scope_res { l "VALUE key, hash = rb_hash_new();" arr.each_with_index { |n, i| if i % 2 == 0 l "key = #{comp(n)};" else l "rb_hash_aset(hash, key, #{comp(n)});" end } "hash" } else "rb_hash_new()" end end |
#comp_iasgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1001 def comp_iasgn(hash) assign_res(comp(hash[:value])) l "rb_ivar_set(#{get_self}, #{sym(hash[:vid])}, res);" "res" end |
#comp_if(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 358 def comp_if(hash) cond = comp(hash[:cond]) if !hash[:body] && !hash[:else] l cond + ";" "Qnil" else c_if("RTEST(#{cond})") { assign_res(comp(hash[:body])) } c_else { assign_res(comp(hash[:else])) } "res" end end |
#comp_iter(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 575 def comp_iter(hash) bl_fun, need_clos = CFunction::Block.compile(self, make_block(hash[:body]), hash[:var]) handle_iter(hash[:iter], bl_fun, need_clos ? get_closure_ary_var : "Qnil") end |
#comp_ivar(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1069 def comp_ivar(hash) "rb_ivar_get(#{get_self}, #{sym(hash[:vid])})" end |
#comp_lasgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 987 def comp_lasgn(hash) "(#{scope.get_lvar(hash[:vid])} = #{comp(hash[:value])})" end |
#comp_lit(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 311 def comp_lit(hash) case (l = hash[:lit]) when Fixnum "LONG2FIX(#{l.inspect})" when Symbol "ID2SYM(#{sym(l)})" when Bignum global_const("rb_cstr_to_inum(#{l.to_s.to_c_strlit}, 10, Qfalse)") when Float global_const("rb_float_new(%.40e)" % l) when Range global_const("rb_range_new(#{comp_lit(:lit=>l.first)}, #{comp_lit(:lit=>l.last)}, Q#{l.exclude_end?})") when Regexp s = l.source global_const("rb_reg_new(#{s.to_c_strlit}, #{s.size}, #{l.})") else raise Ruby2CExtError::Bug, "unsupported literal type: #{l.inspect}" end end |
#comp_lvar(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1060 def comp_lvar(hash) "#{scope.get_lvar(hash[:vid])}" end |
#comp_masgn(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 917 def comp_masgn(hash) c_scope_res { l "VALUE ma_val;" l "long ma_len;" l "ma_val = #{comp(hash[:value])};" l "ma_len = RARRAY(ma_val)->len;" head_len = 0 if (head = hash[:head]) ensure_node_type(head, :array) head_len = head.last.size head.last.each_with_index { |asgn, i| handle_assign(asgn, "(#{i} < ma_len ? RARRAY(ma_val)->ptr[#{i}] : Qnil)", false) } end if ((args = hash[:args]) && (args != -1)) handle_assign(args, "(#{head_len} < ma_len ? rb_ary_new4(ma_len-#{head_len}, " + "RARRAY(ma_val)->ptr+#{head_len}) : rb_ary_new2(0))", false) end "ma_val" } end |
#comp_match(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 387 def comp_match(hash) "rb_reg_match2(#{comp_lit(hash)})" end |
#comp_match2(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 390 def comp_match2(hash) c_scope_res { l "VALUE recv;" l "recv = #{comp(hash[:recv])};" "rb_reg_match(recv, #{comp(hash[:value])})" } end |
#comp_match3(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 397 def comp_match3(hash) c_scope_res { l "VALUE recv, val;" l "recv = #{comp(hash[:recv])};" l "val = #{comp(hash[:value])};" "(TYPE(val) == T_STRING ? rb_reg_match(recv, val) : rb_funcall(val, #{sym(:=~)}, 1, recv))" } end |
#comp_module(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1308 def comp_module(hash) add_helper <<-EOC static VALUE module_prep(VALUE prefix, ID cname) { VALUE module; if (rb_const_defined_at(prefix, cname)) { module = rb_const_get_at(prefix, cname); if (TYPE(module) != T_MODULE) rb_raise(rb_eTypeError, "%s is not a module", rb_id2name(cname)); if (ruby_safe_level >= 4) rb_raise(rb_eSecurityError, "extending module prohibited"); } else { module = rb_define_module_id(cname); rb_set_class_path(module, prefix, rb_id2name(cname)); rb_const_set(prefix, cname, module); } return module; } EOC c_scope_res { l "VALUE prefix, tmp_module;" out = make_class_prefix(hash[:cpath]) l "prefix = #{out};" l "tmp_module = module_prep(prefix, #{sym(hash[:cpath].last[:mid])});" CFunction::ClassModuleScope.compile(self, hash[:body], "tmp_module", false) } end |
#comp_next(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 584 def comp_next(hash) # must be implemented by the "user" of CommonNodeComp raise Ruby2CExtError::NotSupported, "next is not supported" end |
#comp_nil(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 331 def comp_nil(hash); "Qnil"; end |
#comp_not(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 734 def comp_not(hash) "(RTEST(#{comp(hash[:body])}) ? Qfalse : Qtrue)" end |
#comp_nth_ref(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1111 def comp_nth_ref(hash) "rb_reg_nth_match(#{hash[:nth]}, rb_backref_get())" end |
#comp_op_asgn1(hash) ⇒ Object
Ruby 1.8.4
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# File 'lib/ruby2cext/common_node_comp.rb', line 784 def comp_op_asgn1(hash) ensure_node_type(hash[:args], :argscat) c_scope_res { l "VALUE oa1_recv, oa1_val;" l "oa1_recv = #{comp(hash[:recv])};" c_scope_res { build_args(hash[:args].last[:body], true) l "oa1_val = rb_funcall3(oa1_recv, #{sym(:[])}, argc, argv);" mid = hash[:mid] rval = hash[:args].last[:head] if Symbol === mid call = [:call, {:recv=>"oa1_val", :mid=>mid, :args=>[:array, [rval]]}] l "oa1_val = #{comp(call)};" l "{" else # mid == 0 is OR, mid == 1 is AND l "if (#{mid == 0 ? "!" : ""}RTEST(oa1_val)) {" l "oa1_val = #{comp(rval)};" end l "argv[argc] = oa1_val;" l "rb_funcall2(oa1_recv, #{sym(:[]=)}, argc + 1, argv);" l "}" "oa1_val" } } end |
#comp_op_asgn2(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 810 def comp_op_asgn2(hash) ensure_node_type(ids = hash[:next], :op_asgn2) ids = ids.last c_scope_res { l "VALUE oa2_recv, oa2_val;" l "oa2_recv = #{comp(hash[:recv])};" call = [:call, {:recv=>"oa2_recv", :mid=>ids[:vid], :args=>false}] l "oa2_val = #{comp(call)};" mid = ids[:mid] if Symbol === mid call = [:call, {:recv=>"oa2_val", :mid=>mid, :args=>[:array, [hash[:value]]]}] l "oa2_val = #{comp(call)};" l "{" else # mid == 0 is OR, mid == 1 is AND l "if (#{mid == 0 ? "!" : ""}RTEST(oa2_val)) {" l "oa2_val = #{comp(hash[:value])};" end l "rb_funcall2(oa2_recv, #{sym(ids[:aid])}, 1, &oa2_val);" l "}" "oa2_val" } end |
#comp_op_asgn_and(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 882 def comp_op_asgn_and(hash) assign_res(comp(hash[:head])) c_if("RTEST(res)") { assign_res(comp(hash[:value])) } "res" end |
#comp_op_asgn_or(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 889 def comp_op_asgn_or(hash) if Symbol === (aid = hash[:aid]) def_test = case aid.to_s when /\A@@/ "rb_cvar_defined(#{get_cvar_cbase}, #{sym(aid)})" when /\A@/ "rb_ivar_defined(#{get_self}, #{sym(aid)})" when /\A\$/ "rb_gvar_defined(#{get_global_entry(aid)})" else raise Ruby2CExtError::Bug, "unexpected aid for op_asgn_or: #{aid.inspect}" end c_if(def_test) { assign_res(comp(hash[:head])) } c_else { assign_res("Qnil") } else assign_res(comp(hash[:head])) end c_if("!RTEST(res)") { assign_res(comp(hash[:value])) } "res" end |
#comp_or(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 727 def comp_or(hash) assign_res(comp(hash[:first])) c_if("!RTEST(res)") { assign_res(comp(hash[:second])) } "res" end |
#comp_postexe(hash, &iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 374 def comp_postexe(hash, &iter_proc) raise Ruby2CExtError, "postexe only allowed with iter" unless iter_proc c_scope { l "static int done = 0;" c_if("!done") { l "done = 1;" # compile as at_exit (rb_f_END() is static) l do_funcall(get_self, :at_exit, false, true, iter_proc) } } "Qnil" end |
#comp_redo(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 588 def comp_redo(hash) # must be implemented by the "user" of CommonNodeComp raise Ruby2CExtError::NotSupported, "redo is not supported" end |
#comp_rescue(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 618 def comp_rescue(hash) ensure_node_type(resb = hash[:resq], :resbody) # compile the real body cflow_hash = {} body = CFunction::Wrap.compile(self, "rescue_body", cflow_hash) { |cf| cf.instance_eval { l "#{get_wrap_ptr}->state |= 1;" comp(hash[:head]) } } # now all the resbodies in one c function res_bodies = CFunction::Wrap.compile(self, "rescue_resbodies", cflow_hash) { |cf| cf.instance_eval { cnt = 0 while resb cnt += 1 args = resb.last[:args] unless args l "if (rb_obj_is_kind_of(ruby_errinfo, rb_eStandardError)) {" else add_helper <<-EOC static void rescue_mod_check(VALUE mod) { if (!rb_obj_is_kind_of(mod, rb_cModule)) { rb_raise(rb_eTypeError, "class or module required for rescue clause"); } } EOC if args.first == :array # TODO # ruby doesn't handle this case specially, but it might be faster this way # (on the other side: we might miss exceptions (for not evaluated entries of the array)) args.last.each { |ex| assign_res(comp(ex)) l "rescue_mod_check(res);" l "if (!RTEST(rb_funcall(res, #{sym(:===)}, 1, ruby_errinfo))) {" } # non did match assign_res("Qfalse") # close all ifs args.last.size.times { l "}" } else c_scope { l "int i = 0;" # TODO: ruby has BEGIN_CALLARGS protection here, is this really necessary??? build_args(args) assign_res("Qfalse") c_for("; i < argc; ++i") { l "rescue_mod_check(argv[i]);" c_if("RTEST(rb_funcall(argv[i], #{sym(:===)}, 1, ruby_errinfo))") { assign_res("Qtrue"); l "break;" } } } end l "if (res) {" end l "#{get_wrap_ptr}->state &= ~1;" # set first bit = 0 assign_res(comp(resb.last[:body])) l "}" l "else {" resb = resb.last[:head] end # we are in the last else, if the exception wasn't handled, then reraise l "rb_jump_tag(0x6 /* TAG_RAISE */);" # close all elses cnt.times { l "}" } } "res" } # now call rb_rescue2 with the two bodies (and handle else if necessary) c_scope_res { else_node = hash[:else] l "long save_state = #{get_wrap_ptr}->state;" l "long do_else;" if else_node wp = "(VALUE)#{get_wrap_ptr}" assign_res("rb_rescue2(#{body}, #{wp}, #{res_bodies}, #{wp}, rb_eException, (VALUE)0)") l "do_else = #{get_wrap_ptr}->state & 1;" if else_node l "#{get_wrap_ptr}->state = (#{get_wrap_ptr}->state & ~1) | (save_state & 1);" # restore the 1st bit of save_state CFunction::Wrap::handle_wrap_cflow(self, cflow_hash) if else_node c_if("do_else") { assign_res(comp(else_node)) } end "res" } end |
#comp_retry(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 596 def comp_retry(hash) # must be implemented by the "user" of CommonNodeComp raise Ruby2CExtError::NotSupported, "retry is not supported" end |
#comp_return(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 592 def comp_return(hash) # must be implemented by the "user" of CommonNodeComp raise Ruby2CExtError::NotSupported, "return is not supported" end |
#comp_sclass(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1334 def comp_sclass(hash) add_helper <<-EOC static void sclass_check(VALUE obj) { if (FIXNUM_P(obj) || SYMBOL_P(obj)) rb_raise(rb_eTypeError, "no virtual class for %s", rb_obj_classname(obj)); if (ruby_safe_level >= 4 && !OBJ_TAINTED(obj)) rb_raise(rb_eSecurityError, "Insecure: can't extend object"); } EOC c_scope_res { l "VALUE tmp_sclass;" l "tmp_sclass = #{comp(hash[:recv])};" l "sclass_check(tmp_sclass);" l "tmp_sclass = rb_singleton_class(tmp_sclass);" CFunction::ClassModuleScope.compile(self, hash[:body], "tmp_sclass", true) } end |
#comp_self(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 334 def comp_self(hash); get_self; end |
#comp_splat(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 601 def comp_splat(hash) assign_res(comp(hash[:head])) "(NIL_P(res) ? rb_ary_new3(1, Qnil) : rb_Array(res))" end |
#comp_str(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1164 def comp_str(hash) lit = global_const("rb_str_new(#{hash[:lit].to_c_strlit}, #{hash[:lit].size})") "rb_str_new3(#{lit})" end |
#comp_super(hash, &iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 296 def comp_super(hash, &iter_proc) iter_proc ||= NON_ITER_PROC helper_super_allowed_check l "super_allowed_check();" args = hash[:args] if args c_scope_res { build_args(args) iter_proc["rb_call_super(%s, %s)", %w[argc argv], %w[int VALUE*]] } else iter_proc["rb_call_super(0, 0)", [], []] end end |
#comp_svalue(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 608 def comp_svalue(hash) assign_res(comp(hash[:head])) "(RARRAY(res)->len == 1 ? RARRAY(res)->ptr[0] : (RARRAY(res)->len == 0 ? Qnil : res))" end |
#comp_to_ary(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 605 def comp_to_ary(hash) "rb_ary_to_ary(#{comp(hash[:head])})" end |
#comp_true(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 333 def comp_true(hash); "Qtrue"; end |
#comp_undef(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1242 def comp_undef(hash) if Array === (mid = hash[:mid]) # 1.8.5 l "rb_undef(#{get_class}, rb_to_id(#{comp(mid)}));" else l "rb_undef(#{get_class}, #{sym(mid)});" end "Qnil" end |
#comp_until(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 476 def comp_until(hash) comp_while(hash, true) end |
#comp_valias(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1263 def comp_valias(hash) l "rb_alias_variable(#{sym(hash[:new])}, #{sym(hash[:old])});" "Qnil" end |
#comp_vcall(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 187 def comp_vcall(hash) if scope.vmode_method?(hash[:mid]) "Qnil" else "rb_funcall2(#{get_self}, #{sym(hash[:mid])}, 0, 0)" end end |
#comp_when(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 441 def comp_when(hash) handle_when(hash, proc { |val| comp(val) }) end |
#comp_while(hash, is_until = false) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 457 def comp_while(hash, is_until = false) redo_lbl = un("while_redo") next_lbl = un("while_next") break_lbl = un("while_break") c_scope_res { l "VALUE while_res = Qnil;" c_for(";;") { l "if (#{is_until ? "" : "!"}RTEST(#{comp(hash[:cond])})) break;" if hash[:state] != 0 l "#{redo_lbl}:" push_while(redo_lbl, next_lbl, break_lbl) l "#{comp(hash[:body])};" pop_while l "#{next_lbl}: ;" l "if (#{is_until ? "" : "!"}RTEST(#{comp(hash[:cond])})) break;" if hash[:state] == 0 } l "#{break_lbl}:" "while_res" } end |
#comp_xstr(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1204 def comp_xstr(hash) "rb_funcall(#{get_self}, '`', 1, #{comp_str(hash)})" end |
#comp_yield(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 613 def comp_yield(hash) val = (hash[:head] ? comp(hash[:head]) : "Qundef") "rb_yield#{hash[:state] == 0 ? "" : "_splat"}(#{val})" end |
#comp_zarray(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1139 def comp_zarray(hash) "rb_ary_new()" end |
#comp_zsuper(hash, &iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 275 def comp_zsuper(hash, &iter_proc) if CFunction::Method === self # super zsuper only in a method in 1.8.5 iter_proc ||= NON_ITER_PROC helper_super_allowed_check l "super_allowed_check();" # this is not 100% equivalent to 1.8.5 behavior ... iter_proc["rb_call_super(%s, %s)", %w[meth_argc meth_argv], %w[int VALUE*]] else raise Ruby2CExtError::NotSupported, "super without explicit arguments is not supported here" end end |
#do_funcall(recv, mid, args, allow_private, iter_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 225 def do_funcall(recv, mid, args, allow_private, iter_proc) iter_proc ||= NON_ITER_PROC fun = "rb_funcall#{allow_private ? 2 : 3}" if args c_scope_res { l "VALUE recv = #{recv};" build_args(args) iter_proc["#{fun}(%s, #{sym(mid)}, %s, %s)", %w[recv argc argv], %w[VALUE int VALUE*]] } else if allow_private && iter_proc == NON_ITER_PROC if scope.vmode_method?(mid) return "Qnil" end end iter_proc["#{fun}(%s, #{sym(mid)}, 0, 0)", [recv], %w[VALUE]] end end |
#get_global_entry(vid) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 59 def get_global_entry(vid) g_entry = "(VALUE)rb_global_entry(#{sym(vid)})" "(struct global_entry*)(#{global_const(g_entry, false)})" end |
#handle_assign(asgn_node, val, undef_check = true) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 939 def handle_assign(asgn_node, val, undef_check = true) c_scope { if undef_check l "VALUE as_val;" l "as_val = #{comp(val)};" l "if (as_val == Qundef) as_val = Qnil;" val = "as_val" end dup_node = [asgn_node.first, asgn_node.last.dup] case asgn_node.first when :lasgn, :dasgn, :dasgn_curr, :iasgn, :gasgn, :cdecl, :cvdecl, :cvasgn if dup_node.last[:value] raise Ruby2CExtError, "unexpected value in #{asgn_node.first} node in handle_assign" end dup_node.last[:value] = val l "#{comp(dup_node)};" when :masgn c_scope { l "VALUE as_ma_val;" l "VALUE tmp;" if (ma_head = asgn_node.last[:head]) l "as_ma_val = #{comp(val)};" # adapted from svalue_to_mrhs() if ma_head l "tmp = rb_check_array_type(as_ma_val);" l "as_ma_val = (NIL_P(tmp) ? rb_ary_new3(1, as_ma_val) : tmp);" else l "as_ma_val = rb_ary_new3(1, as_ma_val);" end dup_node.last[:value] = "as_ma_val" l "#{comp(dup_node)};" } when :attrasgn # TODO: can :call also appear here ??? c_scope { l "VALUE as_aa_val;" l "as_aa_val = #{comp(val)};" if asgn_node.last[:args] dup_node.last[:args] = [:argspush, {:body => "as_aa_val", :head => asgn_node.last[:args]}] else dup_node.last[:args] = [:array, ["as_aa_val"]] end l "#{comp(dup_node)};" } else raise Ruby2CExtError::Bug, "unexpected assign node type: #{asgn_node.first}" end } end |
#handle_dot(hash, dot3) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 738 def handle_dot(hash, dot3) c_scope_res { l "VALUE beg;" l "beg = #{comp(hash[:beg])};" "rb_range_new(beg, #{comp(hash[:end])}, Q#{dot3})" } end |
#handle_dyn_str(hash) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1171 def handle_dyn_str(hash) ensure_node_type(hash[:next], :array) c_scope_res { l "VALUE str, str2;" l "str = #{comp_str(hash)};" hash[:next].last.each { |node| l "str2 = #{comp(node)};" l "rb_str_append(str, str2);" l "OBJ_INFECT(str, str2);" } "str" } end |
#handle_flip(hash, flip3) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 752 def handle_flip(hash, flip3) flip_var = scope.get_lvar_idx(hash[:cnt] - 2) c_if("RTEST(#{flip_var})") { l "if (RTEST(#{comp(hash[:end])})) #{flip_var} = Qfalse;" assign_res("Qtrue") } c_else { if flip3 assign_res("(RTEST(#{comp(hash[:beg])}) ? Qtrue : Qfalse)") l "#{flip_var} = res;" else assign_res(c_scope_res { l "VALUE beg_res;" l "beg_res = (RTEST(#{comp(hash[:beg])}) ? Qtrue : Qfalse);" c_if("beg_res") { l "#{flip_var} = (RTEST(#{comp(hash[:end])}) ? Qfalse : Qtrue);" } "beg_res" }) end } "res" end |
#handle_iter(iter, bl_fun, closure) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 480 def handle_iter(iter, bl_fun, closure) ensure_node_type(iter, [:call, :fcall, :super, :zsuper, :postexe]) # attrasgn ??? l "do {" block_calls = 0 assign_res(__send__("comp_#{iter.first}", iter.last) { |str, args, arg_types| block_calls += 1 c_scope_res { l "VALUE iter_data[#{args.size + 1}];" l "iter_data[0] = Qfalse;" args.each_with_index { |arg, i| l "iter_data[#{i + 1}] = (VALUE)(#{arg});" } iter_data_cast = [] arg_types.each_with_index { |arg_type, i| iter_data_cast << "(#{arg_type})(iter_data[#{i + 1}])" } it_fun = compiler.add_fun(<<-EOC.chomp % iter_data_cast, "iterate") static VALUE FUNNAME(VALUE data) { VALUE *iter_data = (VALUE*)data; ruby_top_self = org_ruby_top_self; if (iter_data[0]) return Qundef; iter_data[0] = Qtrue; return #{str}; } EOC # hack to make instance_eval etc. work (rb_iterate() uses ruby_top_self as block.self) # this _should_ be save, because rb_trap_immediate should always be 0 here ... l "ruby_top_self = Qundef;" "rb_iterate(#{it_fun}, (VALUE)iter_data, #{bl_fun}, #{closure})" } }) raise Ruby2CExtError::Bug, "internal error while compiling iter" unless block_calls == 1 l "}" l "while (res == Qundef);" "res" end |
#handle_method_args(arg, block_arg) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 72 def handle_method_args(arg, block_arg) ensure_node_type(arg, :args) # handle arg arg = arg.last cnt = arg[:cnt] opt = make_block(arg[:opt]).last rest = arg[:rest] || -1 if Array === rest # 1.8.5 change ensure_node_type(rest, :lasgn) if rest.last[:vid] == 0 # e.g. def foo(*); end rest = -2 else rest = rest.last[:cnt] end end rest = rest - 2 need_wrong_arg_num_helper = false if opt.empty? && rest == -3 # then it was rest == -1, which means no rest_arg l "if (meth_argc != #{cnt}) wrong_arg_num(meth_argc, #{cnt});" need_wrong_arg_num_helper = true else if cnt > 0 l "if (meth_argc < #{cnt}) wrong_arg_num(meth_argc, #{cnt});" need_wrong_arg_num_helper = true end if rest == -3 # then it was rest == -1, which means no rest_arg l "if (meth_argc > #{cnt + opt.size}) wrong_arg_num(meth_argc, #{cnt + opt.size});" need_wrong_arg_num_helper = true end end if need_wrong_arg_num_helper add_helper <<-EOC static void wrong_arg_num(int argc, int exp) { rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)", argc, exp); } EOC end (0...cnt).each { |i| l "#{scope.get_lvar_idx(i)} = meth_argv[#{i}];" } opt.each_with_index { |asgn, i| c_if("meth_argc > #{cnt + i}") { l "#{scope.get_lvar_idx(cnt + i)} = meth_argv[#{cnt + i}];" } c_else { l "#{comp(asgn)};" } } if rest >= 0 sum = cnt + opt.size c_if("meth_argc > #{sum}") { l "#{scope.get_lvar_idx(rest)} = rb_ary_new4(meth_argc-#{sum}, meth_argv+#{sum});" } c_else { l "#{scope.get_lvar_idx(rest)} = rb_ary_new2(0);" } end # handle block arg if available if block_arg ensure_node_type(block_arg, :block_arg) c_if("rb_block_given_p()") { l "#{scope.get_lvar(block_arg.last[:vid])} = rb_block_proc();" } # no else, lvars are initialized to nil end end |
#handle_when(hash, test_proc) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 406 def handle_when(hash, test_proc) ensure_node_type(head = hash[:head], :array) c_scope_res { l "int when_handle = 1;" head.last.each { |check| if check.first == :when l "VALUE arr; long i;" l "arr = #{comp(check.last[:head])};" l "if (TYPE(arr) != T_ARRAY) arr = rb_ary_to_ary(arr);" c_for("i = 0; i < RARRAY(arr)->len; ++i") { c_if("RTEST(#{test_proc["RARRAY(arr)->ptr[i]"]})") { l "arr = Qfalse;" l "break;" } } l "if (RTEST(arr)) {" else l "if (!RTEST(#{test_proc[check]})) {" end } l "when_handle = 0;" # here all checks failed head.last.size.times { l "}" } c_if("when_handle") { assign_res(comp(hash[:body])) } c_else { if Array === hash[:next] && hash[:next].first == :when assign_res(handle_when(hash[:next].last, test_proc)) else assign_res(comp(hash[:next])) end } "res" } end |
#helper_class_module_check ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1007 def helper_class_module_check add_helper <<-EOC static void class_module_check(VALUE klass) { switch (TYPE(klass)) { case T_CLASS: case T_MODULE: break; default: rb_raise(rb_eTypeError, "%s is not a class/module", RSTRING(rb_obj_as_string(klass))->ptr); } } EOC end |
#helper_super_allowed_check ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 263 def helper_super_allowed_check # last_func is set to 0 by rb_require_safe add_helper <<-EOC static void super_allowed_check() { if (!ruby_frame->last_func) { rb_raise(rb_eNoMethodError, "super called outside of method"); } } EOC end |
#make_block(block) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 64 def make_block(block) if block block.first == :block ? block : [:block, [block]] else [:block, []] end end |
#make_class_prefix(node) ⇒ Object
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# File 'lib/ruby2cext/common_node_comp.rb', line 1021 def make_class_prefix(node) ensure_node_type(node, [:colon2, :colon3]) if node.first == :colon2 hash = node.last if hash[:head] assign_res(comp(hash[:head])) helper_class_module_check l "class_module_check(res);" "res" else get_cbase end else "rb_cObject" end end |