Class: Crokus::Compiler
- Inherits:
-
Object
- Object
- Crokus::Compiler
- Defined in:
- lib/crokus/compiler.rb
Instance Attribute Summary collapse
-
#ast ⇒ Object
Returns the value of attribute ast.
-
#base_name ⇒ Object
Returns the value of attribute base_name.
-
#options ⇒ Object
Returns the value of attribute options.
-
#parser ⇒ Object
Returns the value of attribute parser.
Instance Method Summary collapse
- #build_cfg ⇒ Object
- #build_tac ⇒ Object
- #compile(filename) ⇒ Object
- #draw_ast(tree = nil, filename = nil) ⇒ Object
- #emit_ir ⇒ Object
- #execute(params) ⇒ Object
-
#initialize ⇒ Compiler
constructor
A new instance of Compiler.
- #insert_trojan ⇒ Object
- #parse(filename) ⇒ Object
- #pretty_print ⇒ Object
- #transform ⇒ Object
- #visit ⇒ Object
Constructor Details
Instance Attribute Details
#ast ⇒ Object
Returns the value of attribute ast.
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# File 'lib/crokus/compiler.rb', line 18 def ast @ast end |
#base_name ⇒ Object
Returns the value of attribute base_name.
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# File 'lib/crokus/compiler.rb', line 19 def base_name @base_name end |
#options ⇒ Object
Returns the value of attribute options.
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# File 'lib/crokus/compiler.rb', line 16 def @options end |
#parser ⇒ Object
Returns the value of attribute parser.
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# File 'lib/crokus/compiler.rb', line 17 def parser @parser end |
Instance Method Details
#build_cfg ⇒ Object
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# File 'lib/crokus/compiler.rb', line 87 def build_cfg puts "[+] building CFGs" unless [:mute] builder=CFGBuilder.new builder.build(ast) end |
#build_tac ⇒ Object
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# File 'lib/crokus/compiler.rb', line 93 def build_tac puts "[+] building TAC" unless [:mute] builder=TACBuilder.new builder.visit(ast) end |
#compile(filename) ⇒ Object
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# File 'lib/crokus/compiler.rb', line 27 def compile filename parse(filename) return true if [:parse_only] draw_ast(@ast) if [:ast] build_cfg return true if [:cfg] pretty_print if [:trojan] return_code=insert_trojan() return return_code end build_tac return true if [:tac] emit_ir return true end |
#draw_ast(tree = nil, filename = nil) ⇒ Object
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# File 'lib/crokus/compiler.rb', line 59 def draw_ast tree=nil,filename=nil dotname=filename || "#{base_name}_ast.dot" puts " |--[+] drawing AST '#{dotname}'" unless [:mute] ast_ = tree || @ast dot=AstPrinter.new.print(ast_) dot.save_as dotname end |
#emit_ir ⇒ Object
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# File 'lib/crokus/compiler.rb', line 99 def emit_ir puts "[+] emit textual IR " unless [:mute] IRDumper.new.visit(ast) end |
#execute(params) ⇒ Object
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# File 'lib/crokus/compiler.rb', line 104 def execute params RandomGen.new.run(params) end |
#insert_trojan ⇒ Object
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# File 'lib/crokus/compiler.rb', line 108 def insert_trojan puts "[+] inserting trojan" unless [:mute] infected_ast=TrojanInserter.new(@options).insert(ast) if infected_ast code=PrettyPrinter.new.visit(infected_ast) pp_c=@base_name+"_troj.c" File.open(pp_c,'w'){|f| f.puts code} puts " "*5+"|--> saved as #{pp_c}" unless [:mute] return true else return false end end |
#parse(filename) ⇒ Object
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# File 'lib/crokus/compiler.rb', line 50 def parse filename @base_name=File.basename(filename, ".c") code=IO.read(filename) puts "[+] parsing #{filename}" unless [:mute] @ast=Parser.new.parse(code) draw_ast if [:draw_ast] pretty_print if [:pp] end |
#pretty_print ⇒ Object
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# File 'lib/crokus/compiler.rb', line 79 def pretty_print puts "[+] pretty_print" unless [:mute] code=PrettyPrinter.new.visit(ast) pp_c=@base_name+"_pp.c" File.open(pp_c,'w'){|f| f.puts code} puts " "*1+"|--[+] saved as #{pp_c}" unless [:mute] end |
#transform ⇒ Object
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# File 'lib/crokus/compiler.rb', line 67 def transform puts "[+] dummy transform" unless [:mute] ast_t= Transformer.new.transform(ast) dotname="#{base_name}_trans.dot" draw_ast ast_t,dotname end |