copied stash over

This commit is contained in:
Torsten Ruger 2017-04-01 21:28:57 +03:00
parent 34fdf7b2cd
commit b341c722fd
12 changed files with 243 additions and 1 deletions

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@ -1,3 +1,18 @@
require_relative "vool/compiler"
module Vool
class Statement
end
end
require_relative "vool/class_statement"
require_relative "vool/method_statement"
require_relative "vool/while_statement"
require_relative "vool/if_statement"
require_relative "vool/return_statement"
require_relative "vool/statements"
require_relative "vool/operator_expression"
require_relative "vool/call_site_statement"
require_relative "vool/basic_values"
require_relative "vool/assignment_statement"
require_relative "vool/compiler"

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module Vool
class Assignment < Statement
attr_accessor :name , :value
def initialize(n = nil , v = nil )
@name , @value = n , v
end
end
class FieldDef < Statement
attr_accessor :name , :type , :value
end
end

33
lib/vool/basic_values.rb Normal file
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module Vool
class IntegerStatement < Statement
attr_accessor :value
def initialize(value)
@value = value
end
end
class FloatStatement < Statement
attr_accessor :value
def initialize(value)
@value = value
end
end
class TrueStatement < Statement
end
class FalseStatement < Statement
end
class NilStatement < Statement
end
class StringStatement < Statement
attr_accessor :value
def initialize(value)
@value = value
end
end
class NameStatement < Statement
attr_accessor :value
alias :name :value
def initialize(value)
@value = value
end
end
end

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module Vool
class CallSite < Statement
attr_accessor :name , :receiver , :arguments
end
end

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@ -21,6 +21,147 @@ module Vool
arg.first
end
def on_function statement
return_type , name , parameters, statements , receiver = *statement
w = FunctionStatement.new()
w.return_type = return_type
w.name = name.children.first
w.parameters = parameters.to_a.collect do |p|
raise "error, argument must be a identifier, not #{p}" unless p.type == :parameter
p.children
end
w.statements = process(statements)
w.receiver = receiver
w
end
def on_field_def statement
type , name , value = *statement
w = FieldDef.new()
w.type = type
w.name = process(name)
w.value = process(value) if value
w
end
def on_class_field statement
type , name = *statement
w = ClassField.new()
w.type = type
w.name = name
w
end
def on_while_statement statement
branch_type , condition , statements = *statement
w = WhileStatement.new()
w.branch_type = branch_type
w.condition = process(condition)
w.statements = process(statements)
w
end
def on_if_statement statement
branch_type , condition , if_true , if_false = *statement
w = IfStatement.new()
w.branch_type = branch_type
w.condition = process(condition)
w.if_true = process(if_true)
w.if_false = process(if_false)
w
end
def process_first code
raise "Too many children #{code.inspect}" if code.children.length != 1
process code.children.first
end
alias :on_conditional :process_first
alias :on_condition :process_first
alias :on_field :process_first
def on_statements statement
w = Statements.new()
return w unless statement.children
return w unless statement.children.first
w.statements = process_all(statement.children)
w
end
alias :on_true_statements :on_statements
alias :on_false_statements :on_statements
def on_return statement
w = ReturnStatement.new()
w.return_value = process(statement.children.first)
w
end
def on_operator_value statement
operator , left_e , right_e = *statement
w = OperatorExpression.new()
w.operator = operator
w.left_expression = process(left_e)
w.right_expression = process(right_e)
w
end
def on_field_access statement
receiver_ast , field_ast = *statement
w = FieldAccess.new()
w.receiver = process(receiver_ast)
w.field = process(field_ast)
w
end
def on_receiver expression
process expression.children.first
end
def on_call statement
name_s , arguments , receiver = *statement
w = CallSite.new()
w.name = name_s.children.first
w.arguments = process_all(arguments)
w.receiver = process(receiver)
w
end
def on_int expression
IntegerExpression.new(expression.children.first)
end
def on_true expression
TrueExpression.new
end
def on_false expression
FalseExpression.new
end
def on_nil expression
NilExpression.new
end
def on_name statement
NameExpression.new(statement.children.first)
end
def on_string expression
StringExpression.new(expression.children.first)
end
def on_class_name expression
ClassExpression.new(expression.children.first)
end
def on_assignment statement
name , value = *statement
w = Assignment.new()
w.name = process name
w.value = process(value)
w
end
private
def get_name( statement )
return nil unless statement
raise "Not const #{statement}" unless statement.type == :const

5
lib/vool/field_access.rb Normal file
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module Vool
class FieldAccess < Expression
attr_accessor :receiver , :field
end
end

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module Vool
class FunctionStatement < Statement
attr_accessor :return_type , :name , :parameters, :statements , :receiver
end
end

5
lib/vool/if_statement.rb Normal file
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module Vool
class IfStatement < Statement
attr_accessor :branch_type , :condition , :if_true , :if_false
end
end

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module Vool
class OperatorExpression < Statement
attr_accessor :operator , :left_expression , :right_expression
end
end

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module Vool
class ReturnStatement < Statement
attr_accessor :return_value
end
end

5
lib/vool/statements.rb Normal file
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module Vool
class Statements < Statement
attr_accessor :statements
end
end

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@ -0,0 +1,5 @@
module Vool
class WhileStatement < Statement
attr_accessor :branch_type , :condition , :statements
end
end