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pseudo_python.py
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# Copyright (c) 2024-2025 Vector 35 Inc
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
from binaryninja import (Architecture, BraceRequirement, DisassemblySettings, DisassemblyTextLine, Function,
InstructionTextToken, InstructionTextTokenType, LanguageRepresentationFunction,
LanguageRepresentationFunctionType, HighLevelILInstruction, HighLevelILFunction,
HighLevelILTokenEmitter, HighLevelILOperation, OperatorPrecedence, ScopeType,
SymbolDisplayType, SymbolDisplayResult, SymbolType, BoolType, VoidType, PointerType,
NamedTypeReferenceType, StructureType, InstructionTextTokenContext, StructureMember,
BinaryView, BuiltinType)
from typing import Optional
import struct
class PseudoPythonFunction(LanguageRepresentationFunction):
comment_start_string = "# "
def perform_init_token_emitter(self, emitter):
# Python never allows braces, even if the user has set the option to show them
emitter.brace_requirement = BraceRequirement.BracesNotAllowed
def perform_begin_lines(self, instr: HighLevelILInstruction, tokens: HighLevelILTokenEmitter):
# Ensure that the function body is indented relative to the function declaration
tokens.increase_indent()
def perform_get_expr_text(
self, instr: HighLevelILInstruction, tokens: HighLevelILTokenEmitter, settings: Optional[DisassemblySettings],
precedence: OperatorPrecedence = OperatorPrecedence.TopLevelOperatorPrecedence,
statement: bool = False
):
with tokens.expr(instr):
if instr.operation == HighLevelILOperation.HLIL_BLOCK:
need_separator = False
body = instr.body
# Emit the lines for each statement in the body
for (idx, i) in enumerate(body):
# Don't display trailing return statements that don't have values
if (instr.as_ast and idx + 1 == len(body) and i.operation == HighLevelILOperation.HLIL_RET and
len(i.src) == 0 and instr.expr_index == self.hlil.root.expr_index):
continue
# If the statement is one that contains additional blocks of code, insert a scope separator
# to visually separate the logic.
has_blocks = i.operation in [HighLevelILOperation.HLIL_IF, HighLevelILOperation.HLIL_WHILE,
HighLevelILOperation.HLIL_DO_WHILE, HighLevelILOperation.HLIL_FOR,
HighLevelILOperation.HLIL_SWITCH]
if need_separator or (idx != 0 and has_blocks):
tokens.scope_separator()
need_separator = has_blocks
# Emit the lines for the statement itself
self.perform_get_expr_text(i, tokens, settings, OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.new_line()
elif instr.operation == HighLevelILOperation.HLIL_IF:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "if "))
self.perform_get_expr_text(instr.condition, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, ":\n"))
if instr.as_ast:
# Only display the if body when printing the full AST. When printing basic blocks in graph view,
# the body of the if and the else part are rendered as other nodes in the graph.
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(instr.true, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
# Else statements need to be handled as chains, since "else if" in Python should be rendered
# as "elif" statements.
if_chain = instr.false
while if_chain is not None and if_chain.operation not in [HighLevelILOperation.HLIL_NOP,
HighLevelILOperation.HLIL_UNREACHABLE]:
if if_chain.operation == HighLevelILOperation.HLIL_IF:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "elif "))
self.perform_get_expr_text(if_chain.condition, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ":"))
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(if_chain.true, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
if_chain = if_chain.false
else:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "else"))
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ":"))
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(if_chain, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
break
elif instr.operation == HighLevelILOperation.HLIL_FOR:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "for "))
# If the for loop can be represented as a Python range function, show it that way
dest_var = None
if instr.init.operation == HighLevelILOperation.HLIL_VAR_INIT:
dest_var = instr.init.dest
elif instr.init.operation == HighLevelILOperation.HLIL_ASSIGN and instr.init.dest.operation == HighLevelILOperation.HLIL_VAR:
dest_var = instr.init.dest.var
if (dest_var is not None and
(instr.condition.operation in [HighLevelILOperation.HLIL_CMP_SLT,
HighLevelILOperation.HLIL_CMP_ULT]) and
instr.condition.left.operation == HighLevelILOperation.HLIL_VAR and
instr.condition.left.var == dest_var and
instr.update.operation == HighLevelILOperation.HLIL_ASSIGN and
instr.update.dest.operation == HighLevelILOperation.HLIL_VAR and
instr.update.dest.var == instr.condition.left.var and
instr.update.src.operation == HighLevelILOperation.HLIL_ADD and
instr.update.src.left.operation == HighLevelILOperation.HLIL_VAR and
instr.update.src.left.var == instr.condition.left.var):
step_by = (instr.update.src.right.operation != HighLevelILOperation.HLIL_CONST or
instr.update.src.right.constant != 1)
start_required = (instr.init.src.operation != HighLevelILOperation.HLIL_CONST or
instr.init.src.constant != 0 or step_by)
tokens.append(InstructionTextToken(InstructionTextTokenType.LocalVariableToken, dest_var.name,
context=InstructionTextTokenContext.LocalVariableTokenContext,
address=instr.expr_index, value=dest_var.identifier,
size=instr.size))
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, " in "))
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "range"))
tokens.append_open_paren()
if start_required:
self.perform_get_expr_text(instr.init.src, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.condition.right, tokens, settings)
if step_by:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.update.src.right, tokens, settings)
tokens.append_close_paren()
else:
# Not representable directly as a Python loop, emit it with a more HLIL-like syntax
if instr.init.operation != HighLevelILOperation.HLIL_NOP:
self.perform_get_expr_text(instr.init, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, "; "))
if instr.condition.operation != HighLevelILOperation.HLIL_NOP:
self.perform_get_expr_text(instr.condition, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, "; "))
if instr.update.operation != HighLevelILOperation.HLIL_NOP:
self.perform_get_expr_text(instr.update, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, ":"))
if instr.as_ast:
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(instr.body, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
elif instr.operation == HighLevelILOperation.HLIL_WHILE:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "while "))
self.perform_get_expr_text(instr.condition, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, ":"))
if instr.as_ast:
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(instr.body, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
elif instr.operation == HighLevelILOperation.HLIL_DO_WHILE:
if instr.as_ast:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "do"))
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, ":"))
tokens.begin_scope(ScopeType.BlockScopeType)
self.perform_get_expr_text(instr.body, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.BlockScopeType)
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "while "))
self.perform_get_expr_text(instr.condition, tokens, settings)
else:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "do "))
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "while "))
self.perform_get_expr_text(instr.condition, tokens, settings)
elif instr.operation == HighLevelILOperation.HLIL_SWITCH:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "match "))
self.perform_get_expr_text(instr.condition, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, ":"))
tokens.begin_scope(ScopeType.SwitchScopeType)
if instr.as_ast:
# Output each case
for case in instr.cases:
self.perform_get_expr_text(case, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.new_line()
# Check for default case
if instr.default is not None and instr.default.operation not in [HighLevelILOperation.HLIL_NOP,
HighLevelILOperation.HLIL_UNREACHABLE]:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "default"))
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ":"))
tokens.begin_scope(ScopeType.CaseScopeType)
self.perform_get_expr_text(instr.default, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.CaseScopeType)
tokens.end_scope(ScopeType.SwitchScopeType)
elif instr.operation == HighLevelILOperation.HLIL_CASE:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "case "))
for (i, value) in enumerate(instr.values):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " | "))
self.perform_get_expr_text(value, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ":"))
tokens.begin_scope(ScopeType.CaseScopeType)
self.perform_get_expr_text(instr.body, tokens, settings,
OperatorPrecedence.TopLevelOperatorPrecedence, True)
tokens.end_scope(ScopeType.CaseScopeType)
elif instr.operation == HighLevelILOperation.HLIL_BREAK:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "break"))
elif instr.operation == HighLevelILOperation.HLIL_CONTINUE:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "continue"))
elif instr.operation == HighLevelILOperation.HLIL_CALL:
self.perform_get_expr_text(instr.dest, tokens, settings,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
tokens.append_open_paren()
for (i, param) in enumerate(instr.params):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(param, tokens, settings)
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_TAILCALL:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "return "))
self.perform_get_expr_text(instr.dest, tokens, settings,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
tokens.append_open_paren()
for (i, param) in enumerate(instr.params):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(param, tokens, settings)
tokens.append_close_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, " # tailcall"))
elif instr.operation == HighLevelILOperation.HLIL_INTRINSIC:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, instr.intrinsic.name))
tokens.append_open_paren()
for (i, param) in enumerate(instr.params):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(param, tokens, settings)
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_SYSCALL:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "syscall"))
tokens.append_open_paren()
for (i, param) in enumerate(instr.params):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
if i == 0 and param.operation == HighLevelILOperation.HLIL_CONST:
platform = self.function.platform
if platform is not None:
syscall_name = platform.get_system_call_name(param.constant)
if len(syscall_name) > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, syscall_name))
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, " "))
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "{"))
self.perform_get_expr_text(param, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "}"))
continue
self.perform_get_expr_text(param, tokens, settings)
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ZX:
self.perform_get_expr_text(instr.src, tokens, settings)
elif instr.operation == HighLevelILOperation.HLIL_SX:
self.perform_get_expr_text(instr.src, tokens, settings)
elif instr.operation == HighLevelILOperation.HLIL_IMPORT:
# Check for import address symbol at target address, and display that if there is one
sym = instr.function.source_function.view.get_symbol_at(instr.constant)
if sym is not None:
if sym.type == SymbolType.ImportedDataSymbol or sym.type == SymbolType.ImportAddressSymbol:
sym = sym.imported_function_from_import_address_symbol(instr.constant)
if sym is not None:
tokens.append(
InstructionTextToken(InstructionTextTokenType.IndirectImportToken, sym.short_name,
value=instr.constant, address=instr.address,
size=instr.size, operand=instr.source_operand))
return
# Otherwise use a generic pointer token
tokens.append_pointer_text_token(instr, instr.constant, settings,
SymbolDisplayType.DereferenceNonDataSymbols, precedence)
elif instr.operation == HighLevelILOperation.HLIL_ARRAY_INDEX:
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
tokens.append_open_bracket()
self.perform_get_expr_text(instr.index, tokens, settings)
tokens.append_close_bracket()
elif instr.operation == HighLevelILOperation.HLIL_VAR_INIT:
# Check to see if the variable appears live
appears_dead = False
ssa = instr.ssa_form
if ssa is not None and ssa.operation == HighLevelILOperation.HLIL_VAR_INIT_SSA:
appears_dead = not self.hlil.is_ssa_var_live(ssa.dest)
# If the variable does not appear live, show the assignment as zero confidence (grayed out)
with tokens.force_zero_confidence(appears_dead):
tokens.append_var_text_token(instr.dest, instr, instr.size)
if instr.dest.type is not None:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ": "))
tokens.append(instr.dest.type.get_tokens())
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " = "))
# For the right side of the assignment, only use zero confidence if the instruction does
# not have any side effects
with tokens.force_zero_confidence(appears_dead and not instr.src.has_side_effects):
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.AssignmentOperatorPrecedence)
elif instr.operation == HighLevelILOperation.HLIL_VAR_DECLARE:
tokens.append_var_text_token(instr.var, instr, instr.size)
if instr.var.type is not None:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ": "))
tokens.append(instr.var.type.get_tokens())
elif instr.operation == HighLevelILOperation.HLIL_FLOAT_CONST:
tokens.append(InstructionTextToken(InstructionTextTokenType.FloatingPointToken, f"{instr.constant:g}"))
elif instr.operation == HighLevelILOperation.HLIL_CONST:
# Check for bool type. Display these as True or False. The default handling will use C style
# booleans instead of Python style.
if instr.size == 0 or isinstance(instr.expr_type, BoolType):
if instr.constant != 0:
tokens.append(
InstructionTextToken(InstructionTextTokenType.IntegerToken, "True", address=instr.address,
value=instr.constant))
else:
tokens.append(
InstructionTextToken(InstructionTextTokenType.IntegerToken, "False", address=instr.address,
value=instr.constant))
else:
tokens.append_constant_text_token(instr, instr.constant, instr.size, settings, precedence)
elif instr.operation == HighLevelILOperation.HLIL_CONST_PTR:
tokens.append_pointer_text_token(instr, instr.constant, settings,
SymbolDisplayType.AddressOfDataSymbols, precedence)
elif instr.operation == HighLevelILOperation.HLIL_CONST_DATA:
# Constant data should be rendered according to the type of builtin function being used.
data, builtin = instr.constant_data.data_and_builtin
if builtin in [BuiltinType.BuiltinStrcpy, BuiltinType.BuiltinStrncpy]:
data = data.escape(null_terminates=True)
tokens.append(InstructionTextToken(InstructionTextTokenType.StringToken, f'"{data}"',
address=instr.address, value=instr.constant_data.value,
context=InstructionTextTokenContext.ConstStringDataTokenContext))
elif builtin == BuiltinType.BuiltinMemset:
tokens.append_open_brace()
tokens.append(InstructionTextToken(InstructionTextTokenType.StringToken,
f"{instr.constant_data.value:#x}",
address=instr.address, value=instr.constant_data.value,
context=InstructionTextTokenContext.ConstDataTokenContext))
tokens.append_close_brace()
else:
string, string_type = self.function.view.stringify_unicode_data(self.function.arch, data)
if string is not None:
wide_string_prefix = ""
token_context = InstructionTextTokenContext.ConstDataTokenContext
if builtin == BuiltinType.BuiltinWcscpy:
wide_string_prefix = "L"
token_context = InstructionTextTokenContext.ConstStringDataTokenContext
tokens.append(InstructionTextToken(InstructionTextTokenType.StringToken,
f'{wide_string_prefix}"{string}"',
address=instr.address, value=instr.constant_data.value,
context=token_context))
else:
data = data.escape(null_terminates=False, escape_printable=True)
tokens.append(InstructionTextToken(InstructionTextTokenType.StringToken, f'"{data}"',
address=instr.address, value=instr.constant_data.value,
context=InstructionTextTokenContext.ConstDataTokenContext))
elif instr.operation == HighLevelILOperation.HLIL_EXTERN_PTR:
# Extern pointer instructions have an offset associated with them. If this is nonzero, show this
# as an addition or subtraction of the offset.
parens = instr.offset != 0 and precedence >= OperatorPrecedence.AddOperatorPrecedence
if parens:
tokens.append_open_paren()
if instr.offset != 0:
precedence = OperatorPrecedence.SubOperatorPrecedence
tokens.append_pointer_text_token(instr, instr.constant, settings,
SymbolDisplayType.AddressOfDataSymbols, precedence)
if instr.offset < 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " - "))
tokens.append_integer_text_token(instr, -instr.offset, instr.size)
elif instr.offset > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " + "))
tokens.append_integer_text_token(instr, instr.offset, instr.size)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_VAR:
tokens.append(InstructionTextToken(InstructionTextTokenType.LocalVariableToken, instr.var.name,
address=instr.expr_index, size=instr.size,
value=instr.var.identifier,
context=InstructionTextTokenContext.LocalVariableTokenContext))
elif instr.operation == HighLevelILOperation.HLIL_ASSIGN:
# Check to see if the variable appears live
appears_dead = False
if instr.dest.operation == HighLevelILOperation.HLIL_VAR:
ssa = instr.ssa_form
if ssa is not None and ssa.operation == HighLevelILOperation.HLIL_VAR_INIT_SSA:
appears_dead = not self.hlil.is_ssa_var_live(ssa.dest)
# If the variable does not appear live, show the assignment as zero confidence (grayed out)
with tokens.force_zero_confidence(appears_dead):
self.perform_get_expr_text(instr.dest, tokens, settings,
OperatorPrecedence.AssignmentOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " = "))
# For the right side of the assignment, only use zero confidence if the instruction does
# not have any side effects
with tokens.force_zero_confidence(appears_dead and not instr.src.has_side_effects):
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.AssignmentOperatorPrecedence)
elif instr.operation == HighLevelILOperation.HLIL_ASSIGN_UNPACK:
tokens.append_open_paren()
for (i, dest) in enumerate(instr.dest):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(dest, tokens, settings)
tokens.append_close_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " = "))
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.AssignmentOperatorPrecedence)
elif instr.operation == HighLevelILOperation.HLIL_STRUCT_FIELD:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
self.append_field_text_tokens(instr.src, instr.offset, instr.member_index, instr.size, tokens)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_DEREF_FIELD:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
if instr.src.operation == HighLevelILOperation.HLIL_CONST_PTR:
tokens.append_pointer_text_token(instr.src, instr.src.constant, settings,
SymbolDisplayType.DisplaySymbolOnly,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
else:
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.MemberAndFunctionOperatorPrecedence)
self.append_field_text_tokens(instr.src, instr.offset, instr.member_index, instr.size, tokens)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_DEREF:
if instr.src.operation == HighLevelILOperation.HLIL_CONST_PTR:
if tokens.append_pointer_text_token(instr.src, instr.src.constant, settings,
SymbolDisplayType.DereferenceNonDataSymbols,
precedence) == SymbolDisplayResult.DataSymbolResult:
expr_type = instr.src.expr_type
if isinstance(expr_type, PointerType) and expr_type.target.width != instr.size:
# If dereference size doesn't match the data variable size, append a size suffix
suffix = {0: "", 1: ".b", 2: ".w", 4: ".d", 8: ".q", 10: ".t", 16: ".q"}
if instr.size in suffix:
suffix_str = suffix[instr.size]
else:
suffix_str = f".{instr.size}"
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, suffix_str))
else:
parens = precedence > OperatorPrecedence.UnaryOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "*"))
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.UnaryOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ADDRESS_OF:
parens = precedence > OperatorPrecedence.UnaryOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "&"))
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.UnaryOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_E, HighLevelILOperation.HLIL_FCMP_E]:
parens = precedence > OperatorPrecedence.EqualityOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.EqualityOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " == "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.EqualityOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_NE, HighLevelILOperation.HLIL_FCMP_NE]:
parens = precedence > OperatorPrecedence.EqualityOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.EqualityOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " != "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.EqualityOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_SLT, HighLevelILOperation.HLIL_CMP_ULT,
HighLevelILOperation.HLIL_FCMP_LT]:
parens = precedence > OperatorPrecedence.CompareOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " < "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_SLE, HighLevelILOperation.HLIL_CMP_ULE,
HighLevelILOperation.HLIL_FCMP_LE]:
parens = precedence > OperatorPrecedence.CompareOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " <= "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_SGE, HighLevelILOperation.HLIL_CMP_UGE,
HighLevelILOperation.HLIL_FCMP_GE]:
parens = precedence > OperatorPrecedence.CompareOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " >= "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_CMP_SGT, HighLevelILOperation.HLIL_CMP_UGT,
HighLevelILOperation.HLIL_FCMP_GT]:
parens = precedence > OperatorPrecedence.CompareOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, " > "))
self.perform_get_expr_text(instr.right, tokens, settings,
OperatorPrecedence.CompareOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_AND:
if instr.size == 0:
# Size of zero is a boolean operation, show the boolean operator name
parens = (precedence >= OperatorPrecedence.BitwiseOrOperatorPrecedence or
precedence == OperatorPrecedence.LogicalOrOperatorPrecedence)
operation = "and"
precedence = OperatorPrecedence.LogicalAndOperatorPrecedence
else:
parens = (precedence >= OperatorPrecedence.EqualityOperatorPrecedence or
precedence in [OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
operation = "&"
precedence = OperatorPrecedence.BitwiseAndOperatorPrecedence
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens(operation, instr, tokens, settings, precedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_OR:
if instr.size == 0:
# Size of zero is a boolean operation, show the boolean operator name
parens = (precedence >= OperatorPrecedence.BitwiseOrOperatorPrecedence or
precedence == OperatorPrecedence.LogicalAndOperatorPrecedence)
operation = "or"
precedence = OperatorPrecedence.LogicalOrOperatorPrecedence
else:
parens = (precedence >= OperatorPrecedence.EqualityOperatorPrecedence or
precedence in [OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
operation = "|"
precedence = OperatorPrecedence.BitwiseOrOperatorPrecedence
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens(operation, instr, tokens, settings, precedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_XOR:
parens = (precedence >= OperatorPrecedence.EqualityOperatorPrecedence or
precedence in [OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("^", instr, tokens, settings,
OperatorPrecedence.BitwiseXorOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ADC:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "adc"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.carry, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_SBB:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "sbb"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.carry, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ADD_OVERFLOW:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "add_overflow"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_ADD, HighLevelILOperation.HLIL_FADD]:
parens = (precedence > OperatorPrecedence.AddOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("+", instr, tokens, settings,
OperatorPrecedence.AddOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_SUB, HighLevelILOperation.HLIL_FSUB]:
parens = (precedence > OperatorPrecedence.AddOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("-", instr, tokens, settings,
OperatorPrecedence.SubOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_MUL, HighLevelILOperation.HLIL_MULS_DP,
HighLevelILOperation.HLIL_MULU_DP, HighLevelILOperation.HLIL_FMUL]:
parens = (precedence > OperatorPrecedence.MultiplyOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("*", instr, tokens, settings,
OperatorPrecedence.MultiplyOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_DIVS, HighLevelILOperation.HLIL_DIVU,
HighLevelILOperation.HLIL_DIVS_DP, HighLevelILOperation.HLIL_DIVU_DP]:
parens = (precedence > OperatorPrecedence.DivideOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("//", instr, tokens, settings,
OperatorPrecedence.DivideOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_MODS, HighLevelILOperation.HLIL_MODU,
HighLevelILOperation.HLIL_MODS_DP, HighLevelILOperation.HLIL_MODU_DP]:
parens = (precedence > OperatorPrecedence.DivideOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("%", instr, tokens, settings,
OperatorPrecedence.DivideOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FDIV:
parens = (precedence > OperatorPrecedence.DivideOperatorPrecedence or
precedence in [OperatorPrecedence.ShiftOperatorPrecedence,
OperatorPrecedence.BitwiseAndOperatorPrecedence,
OperatorPrecedence.BitwiseOrOperatorPrecedence,
OperatorPrecedence.BitwiseXorOperatorPrecedence])
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("/", instr, tokens, settings,
OperatorPrecedence.DivideOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_LSL:
parens = precedence > OperatorPrecedence.ShiftOperatorPrecedence
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens("<<", instr, tokens, settings,
OperatorPrecedence.ShiftOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_LSR, HighLevelILOperation.HLIL_ASR]:
parens = precedence > OperatorPrecedence.ShiftOperatorPrecedence
if parens:
tokens.append_open_paren()
self.append_two_operand_tokens(">>", instr, tokens, settings,
OperatorPrecedence.ShiftOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ROL:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "rol"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ROR:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "ror"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_RLC:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "rlc"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.carry, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_RRC:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "rrc"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.carry, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_TEST_BIT:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "test_bit"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FLOOR:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "floor"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_CEIL:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "ceil"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FTRUNC:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "trunc"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FABS:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "fabs"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FSQRT:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "sqrt"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_ROUND_TO_INT:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "round"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FCMP_O:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "fcmp_o"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_FCMP_UO:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "fcmp_uo"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.left, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.right, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_NOT:
parens = precedence > OperatorPrecedence.UnaryOperatorPrecedence
if parens:
tokens.append_open_paren()
if instr.size == 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "not "))
else:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "~"))
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.UnaryOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_NEG, HighLevelILOperation.HLIL_FNEG]:
parens = precedence > OperatorPrecedence.UnaryOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "-"))
self.perform_get_expr_text(instr.src, tokens, settings,
OperatorPrecedence.UnaryOperatorPrecedence)
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_FLOAT_CONV, HighLevelILOperation.HLIL_INT_TO_FLOAT]:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "float"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_FLOAT_TO_INT, HighLevelILOperation.HLIL_BOOL_TO_INT]:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "int"))
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
tokens.append_close_paren()
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_RET:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "return"))
operands = instr.src
if len(operands) > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, " "))
if len(operands) > 1:
tokens.append_open_paren()
for (i, operand) in enumerate(operands):
if i > 0:
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(operand, tokens, settings)
if len(operands) > 1:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_NORET:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# no return"))
elif instr.operation == HighLevelILOperation.HLIL_UNREACHABLE:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# unreachable"))
elif instr.operation == HighLevelILOperation.HLIL_UNDEF:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# undefined"))
elif instr.operation == HighLevelILOperation.HLIL_NOP:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# nop"))
elif instr.operation == HighLevelILOperation.HLIL_BP:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "breakpoint"))
tokens.append_open_paren()
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_JUMP:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# jump -> "))
self.perform_get_expr_text(instr.dest, tokens, settings)
elif instr.operation == HighLevelILOperation.HLIL_TRAP:
tokens.append(InstructionTextToken(InstructionTextTokenType.OperationToken, "trap"))
tokens.append_open_paren()
tokens.append_integer_text_token(instr, instr.vector, 8)
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_GOTO:
tokens.append(InstructionTextToken(InstructionTextTokenType.KeywordToken, "goto "))
tokens.append(InstructionTextToken(InstructionTextTokenType.GotoLabelToken, instr.target.name,
instr.target.label_id))
elif instr.operation == HighLevelILOperation.HLIL_LABEL:
tokens.decrease_indent()
tokens.append(InstructionTextToken(InstructionTextTokenType.GotoLabelToken, instr.target.name,
instr.target.label_id))
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ":"))
tokens.increase_indent()
elif instr.operation == HighLevelILOperation.HLIL_LOW_PART:
parens = precedence > OperatorPrecedence.MemberAndFunctionOperatorPrecedence
if parens:
tokens.append_open_paren()
self.perform_get_expr_text(instr.src, tokens, settings)
suffix = {0: "", 1: ".b", 2: ".w", 4: ".d", 8: ".q", 10: ".t", 16: ".q"}
if instr.size in suffix:
suffix_str = suffix[instr.size]
else:
suffix_str = f".{instr.size}"
tokens.append(InstructionTextToken(InstructionTextTokenType.StructOffsetToken, suffix_str, value=0,
size=instr.size))
if parens:
tokens.append_close_paren()
elif instr.operation == HighLevelILOperation.HLIL_SPLIT:
tokens.append_open_paren()
self.perform_get_expr_text(instr.high, tokens, settings)
tokens.append(InstructionTextToken(InstructionTextTokenType.TextToken, ", "))
self.perform_get_expr_text(instr.low, tokens, settings)
tokens.append_close_paren()
elif instr.operation in [HighLevelILOperation.HLIL_UNIMPL, HighLevelILOperation.HLIL_UNIMPL_MEM]:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken, "# "))
for token in instr.tokens:
token.token_type = InstructionTextTokenType.AnnotationToken
tokens.append(token)
else:
tokens.append(InstructionTextToken(InstructionTextTokenType.AnnotationToken,
f"# unimplemented {instr.operation.name}"))
def append_two_operand_tokens(self, operation: str, instr: HighLevelILInstruction, tokens: HighLevelILTokenEmitter,
settings: Optional[DisassemblySettings], precedence: OperatorPrecedence):
if precedence == OperatorPrecedence.SubOperatorPrecedence:
# Treat left side of subtraction as same level as addition. This lets
# (a - b) - c be represented as a - b - c, but a - (b - c) does not
# simplify at rendering
left_precedence = OperatorPrecedence.AddOperatorPrecedence
elif precedence == OperatorPrecedence.DivideOperatorPrecedence:
# Treat left side of divison as same level as multiplication. This lets
# (a / b) / c be represented as a / b / c, but a / (b / c) does not
# simplify at rendering
left_precedence = OperatorPrecedence.MultiplyOperatorPrecedence
else:
left_precedence = precedence
self.perform_get_expr_text(instr.left, tokens, settings, left_precedence)