Class: Twostroke::Compiler::TSASM
- Inherits:
-
Object
- Object
- Twostroke::Compiler::TSASM
- Defined in:
- lib/twostroke/compiler/tsasm.rb
Instance Attribute Summary collapse
-
#ast ⇒ Object
Returns the value of attribute ast.
-
#bytecode ⇒ Object
Returns the value of attribute bytecode.
-
#prefix ⇒ Object
Returns the value of attribute prefix.
Instance Method Summary collapse
- #compile(node = nil, *opt_args) ⇒ Object
-
#initialize(ast, prefix = nil) ⇒ TSASM
constructor
A new instance of TSASM.
Constructor Details
#initialize(ast, prefix = nil) ⇒ TSASM
Returns a new instance of TSASM.
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# File 'lib/twostroke/compiler/tsasm.rb', line 4 def initialize(ast, prefix = nil) @ast = ast @prefix = prefix end |
Instance Attribute Details
#ast ⇒ Object
Returns the value of attribute ast.
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# File 'lib/twostroke/compiler/tsasm.rb', line 2 def ast @ast end |
#bytecode ⇒ Object
Returns the value of attribute bytecode.
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# File 'lib/twostroke/compiler/tsasm.rb', line 2 def bytecode @bytecode end |
#prefix ⇒ Object
Returns the value of attribute prefix.
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# File 'lib/twostroke/compiler/tsasm.rb', line 2 def prefix @prefix end |
Instance Method Details
#compile(node = nil, *opt_args) ⇒ Object
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# File 'lib/twostroke/compiler/tsasm.rb', line 9 def compile(node = nil, *opt_args) if node if node.respond_to? :each # hoist named functions to top node.select { |n| n.is_a?(Twostroke::AST::Function) && n.name }.each { |n| compile n } node.reject { |n| n.is_a?(Twostroke::AST::Function) && n.name }.each { |n| compile n } elsif node.is_a? Symbol send node else output :".line", @current_line = node.line if node.line and node.line > @current_line @node_stack.push node send type(node), node, *opt_args if node @node_stack.pop end else @indent = 0 @bytecode = Hash.new { |h,k| h[k] = [] } @current_section = :"#{prefix}main" @auto_inc = 0 @sections = [:"#{prefix}main"] @break_stack = [] @continue_stack = [] @node_stack = [] @labels = {} @current_line = 0 ast.each { |node| hoist node } ast.each { |node| compile node } output :undefined output :ret fix_labels end end |