Class: AdLint::Cc1::WhileStatement

Inherits:
IterationStatement show all
Defined in:
lib/adlint/cc1/syntax.rb

Instance Attribute Summary collapse

Attributes inherited from Statement

#executed

Attributes inherited from SyntaxNode

#head_token, #subsequent_sequence_point, #tail_token

Instance Method Summary collapse

Methods inherited from IterationStatement

#varying_expressions, #varying_variable_names

Methods included from SyntaxNodeCollector

collect_additive_expressions, collect_array_declarators, collect_compound_assignment_expressions, collect_constant_specifiers, collect_equality_expressions, collect_function_declarators, collect_generic_labeled_statements, collect_goto_statements, collect_identifier_declarators, collect_if_else_statements, collect_if_statements, collect_logical_and_expressions, collect_logical_or_expressions, collect_object_specifiers, collect_postfix_decrement_expressions, collect_postfix_increment_expressions, collect_prefix_decrement_expressions, collect_prefix_increment_expressions, collect_relational_expressions, collect_simple_assignment_expressions, collect_typedef_type_specifiers

Methods inherited from Statement

#executed?

Methods inherited from SyntaxNode

#head_location, #short_class_name, #tail_location

Methods included from LocationHolder

#analysis_target?

Methods included from Visitable

#accept

Constructor Details

#initialize(expr, stmt, header_term) ⇒ WhileStatement

Returns a new instance of WhileStatement.



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# File 'lib/adlint/cc1/syntax.rb', line 3755

def initialize(expr, stmt, header_term)
  super()
  @expression = expr
  @statement = stmt
  @header_terminator = header_term
end

Instance Attribute Details

#expression ⇒ Object (readonly)

Returns the value of attribute expression.



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# File 'lib/adlint/cc1/syntax.rb', line 3762

def expression
  @expression
end

#header_terminator ⇒ Object (readonly)

Returns the value of attribute header_terminator.



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# File 'lib/adlint/cc1/syntax.rb', line 3764

def header_terminator
  @header_terminator
end

#statement ⇒ Object (readonly)

Returns the value of attribute statement.



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# File 'lib/adlint/cc1/syntax.rb', line 3763

def statement
  @statement
end

Instance Method Details

#deduct_controlling_expression ⇒ Object 



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# File 'lib/adlint/cc1/syntax.rb', line 3770

def deduct_controlling_expression
  sels = collect_loop_breaking_selection_statements(@statement)
  expr = @expression
  rough_cands = [[expr, expr.to_normalized_logical]] + sels.map { |stmt|
    [stmt.expression,
      stmt.expression.to_normalized_logical.to_complemental_logical]
  }

  # FIXME: When many loop breaking selection-statements are found, how can
  #        I select one selection-statement?
  # FIXME: When the loop breaking selection-statement is a
  #        if-else-statement and the loop breaking is in the else branch,
  #        the controlling expression should be inverted.
  deduct_controlling_expression_candidates(rough_cands).first
end

#inspect(indent = 0) ⇒ Object 



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# File 'lib/adlint/cc1/syntax.rb', line 3786

def inspect(indent = 0)
  " " * indent + "#{short_class_name}\n" +
    @expression.inspect(indent + 1) + "\n" + @statement.inspect(indent + 1)
end

#location ⇒ Object 



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# File 'lib/adlint/cc1/syntax.rb', line 3766

def location
  head_location
end