Class: RKelly::Visitors::ECMAVisitor
- Inherits:
-
Visitor
- Object
- Visitor
- RKelly::Visitors::ECMAVisitor
show all
- Defined in:
- lib/rkelly/visitors/ecma_visitor.rb
Constant Summary
Constants inherited
from Visitor
Visitor::ALL_NODES, Visitor::ARRAY_VALUE_NODES, Visitor::BINARY_NODES, Visitor::CONDITIONAL_NODES, Visitor::FUNC_CALL_NODES, Visitor::FUNC_DECL_NODES, Visitor::NAME_VALUE_NODES, Visitor::PREFIX_POSTFIX_NODES, Visitor::SINGLE_VALUE_NODES, Visitor::TERMINAL_NODES
Instance Method Summary
collapse
Methods inherited from Visitor
#accept
Constructor Details
Returns a new instance of ECMAVisitor.
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 4
def initialize
@indent = 0
end
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Instance Method Details
#visit_ArgumentsNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 77
def visit_ArgumentsNode(o)
o.value.map { |x| x.accept(self) }.join(', ')
end
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#visit_ArrayNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 144
def visit_ArrayNode(o)
"[#{o.value.map { |x| x ? x.accept(self) : '' }.join(', ')}]"
end
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#visit_AssignExprNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 28
def visit_AssignExprNode(o)
" = #{o.value.accept(self)}"
end
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#visit_BitwiseNotNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 136
def visit_BitwiseNotNode(o)
"~#{o.value.accept(self)}"
end
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#visit_BlockNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 60
def visit_BlockNode(o)
@indent += 1
"{\n#{o.value.accept(self)}\n#{@indent -=1; indent}}"
end
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#visit_BracketAccessorNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 310
def visit_BracketAccessorNode(o)
"#{o.value.accept(self)}[#{o.accessor.accept(self)}]"
end
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#visit_BreakNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 104
def visit_BreakNode(o)
"break" + (o.value ? " #{o.value}" : '') + ';'
end
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#visit_CaseBlockNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 228
def visit_CaseBlockNode(o)
@indent += 1
"{\n" + (o.value ? o.value.map { |x| x.accept(self) }.join('') : '') +
"#{@indent -=1; indent}}"
end
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#visit_CaseClauseNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 234
def visit_CaseClauseNode(o)
if o.left
case_code = "#{indent}case #{o.left.accept(self)}:\n"
else
case_code = "#{indent}default:\n"
end
@indent += 1
case_code += "#{o.value.accept(self)}\n"
@indent -= 1
case_code
end
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#visit_CommaNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 284
def visit_CommaNode(o)
"#{o.left.accept(self)}, #{o.value.accept(self)}"
end
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#visit_ConditionalNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 293
def visit_ConditionalNode(o)
"#{o.conditions.accept(self)} ? #{o.value.accept(self)} : " +
"#{o.else.accept(self)}"
end
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#visit_ConstStatementNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 20
def visit_ConstStatementNode(o)
"const #{o.value.map { |x| x.accept(self) }.join(', ')};"
end
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#visit_ContinueNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 108
def visit_ContinueNode(o)
"continue" + (o.value ? " #{o.value}" : '') + ';'
end
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#visit_DeleteNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 140
def visit_DeleteNode(o)
"delete #{o.value.accept(self)}"
end
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#visit_DotAccessorNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 128
def visit_DotAccessorNode(o)
"#{o.value.accept(self)}.#{o.accessor}"
end
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#visit_DoWhileNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 246
def visit_DoWhileNode(o)
"do #{o.left.accept(self)} while(#{o.value.accept(self)});"
end
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#visit_ElementNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 148
def visit_ElementNode(o)
o.value.accept(self)
end
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#visit_EmptyStatementNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 120
def visit_EmptyStatementNode(o)
';'
end
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#visit_ExpressionStatementNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 65
def visit_ExpressionStatementNode(o)
"#{o.value.accept(self)};"
end
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#visit_FalseNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 116
def visit_FalseNode(o)
"false"
end
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#visit_ForInNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 298
def visit_ForInNode(o)
var = o.left.is_a?(RKelly::Nodes::VarDeclNode) ? 'var ' : ''
"for(#{var}#{o.left.accept(self)} in #{o.right.accept(self)}) " +
"#{o.value.accept(self)}"
end
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#visit_ForNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 36
def visit_ForNode(o)
init = o.init ? o.init.accept(self) : ';'
init << ';' unless init.end_with? ';' test = o.test ? o.test.accept(self) : ''
counter = o.counter ? o.counter.accept(self) : ''
"for(#{init} #{test}; #{counter}) #{o.value.accept(self)}"
end
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#visit_FunctionBodyNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 99
def visit_FunctionBodyNode(o)
@indent += 1
"{\n#{o.value.accept(self)}\n#{@indent -=1; indent}}"
end
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#visit_FunctionCallNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 73
def visit_FunctionCallNode(o)
"#{o.value.accept(self)}(#{o.arguments.accept(self)})"
end
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#visit_FunctionDeclNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 89
def visit_FunctionDeclNode(o)
"#{indent}function #{o.value}(" +
"#{o.arguments.map { |x| x.accept(self) }.join(', ')})" +
"#{o.function_body.accept(self)}"
end
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#visit_FunctionExprNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 279
def visit_FunctionExprNode(o)
"#{o.value}(#{o.arguments.map { |x| x.accept(self) }.join(', ')}) " +
"#{o.function_body.accept(self)}"
end
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#visit_GetterPropertyNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 271
def visit_GetterPropertyNode(o)
"get #{o.name}#{o.value.accept(self)}"
end
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#visit_IfNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 288
def visit_IfNode(o)
"if(#{o.conditions.accept(self)}) #{o.value.accept(self)}" +
(o.else ? " else #{o.else.accept(self)}" : '')
end
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#visit_LabelNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 254
def visit_LabelNode(o)
"#{o.name}: #{o.value.accept(self)}"
end
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#visit_LessNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 44
def visit_LessNode(o)
"#{o.left.accept(self)} < #{o.value.accept(self)}"
end
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#visit_LogicalNotNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 152
def visit_LogicalNotNode(o)
"!#{o.value.accept(self)}"
end
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#visit_NewExprNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 314
def visit_NewExprNode(o)
"new #{o.value.accept(self)}(#{o.arguments.accept(self)})"
end
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#visit_NullNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 85
def visit_NullNode(o)
"null"
end
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#visit_NumberNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 32
def visit_NumberNode(o)
o.value.to_s
end
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#visit_ObjectLiteralNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 258
def visit_ObjectLiteralNode(o)
@indent += 1
lit = "{" + (o.value.length > 0 ? "\n" : ' ') +
o.value.map { |x| "#{indent}#{x.accept(self)}" }.join(",\n") +
(o.value.length > 0 ? "\n" : '') + '}'
@indent -= 1
lit
end
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#visit_OpEqualNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 69
def visit_OpEqualNode(o)
"#{o.left.accept(self)} = #{o.value.accept(self)}"
end
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#visit_ParameterNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 95
def visit_ParameterNode(o)
o.value
end
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#visit_ParentheticalNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 8
def visit_ParentheticalNode(o)
"(#{o.value.accept(self)})"
end
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#visit_PostfixNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 52
def visit_PostfixNode(o)
"#{o.operand.accept(self)}#{o.value}"
end
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#visit_PrefixNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 56
def visit_PrefixNode(o)
"#{o.value}#{o.operand.accept(self)}"
end
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#visit_PropertyNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 267
def visit_PropertyNode(o)
"#{o.name}: #{o.value.accept(self)}"
end
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#visit_RegexpNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 124
def visit_RegexpNode(o)
o.value
end
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#visit_ResolveNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 48
def visit_ResolveNode(o)
o.value
end
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#visit_ReturnNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 164
def visit_ReturnNode(o)
"return" + (o.value ? " #{o.value.accept(self)}" : '') + ';'
end
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#visit_SetterPropertyNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 275
def visit_SetterPropertyNode(o)
"set #{o.name}#{o.value.accept(self)}"
end
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#visit_SourceElementsNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 12
def visit_SourceElementsNode(o)
o.value.map { |x| "#{indent}#{x.accept(self)}" }.join("\n")
end
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#visit_StringNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 81
def visit_StringNode(o)
o.value
end
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#visit_SwitchNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 224
def visit_SwitchNode(o)
"switch(#{o.left.accept(self)}) #{o.value.accept(self)}"
end
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#visit_ThisNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 132
def visit_ThisNode(o)
"this"
end
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#visit_ThrowNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 168
def visit_ThrowNode(o)
"throw #{o.value.accept(self)};"
end
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#visit_TrueNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 112
def visit_TrueNode(o)
"true"
end
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#visit_TryNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 304
def visit_TryNode(o)
"try #{o.value.accept(self)}" +
(o.catch_block ? " catch(#{o.catch_var}) #{o.catch_block.accept(self)}" : '') +
(o.finally_block ? " finally #{o.finally_block.accept(self)}" : '')
end
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#visit_TypeOfNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 172
def visit_TypeOfNode(o)
"typeof #{o.value.accept(self)}"
end
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#visit_UnaryMinusNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 156
def visit_UnaryMinusNode(o)
"-#{o.value.accept(self)}"
end
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#visit_UnaryPlusNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 160
def visit_UnaryPlusNode(o)
"+#{o.value.accept(self)}"
end
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#visit_VarDeclNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 24
def visit_VarDeclNode(o)
"#{o.name}#{o.value ? o.value.accept(self) : nil}"
end
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#visit_VarStatementNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 16
def visit_VarStatementNode(o)
"var #{o.value.map { |x| x.accept(self) }.join(', ')};"
end
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#visit_VoidNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 176
def visit_VoidNode(o)
"void(#{o.value.accept(self)})"
end
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#visit_WhileNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 220
def visit_WhileNode(o)
"while(#{o.left.accept(self)}) #{o.value.accept(self)}"
end
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#visit_WithNode(o) ⇒ Object
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# File 'lib/rkelly/visitors/ecma_visitor.rb', line 250
def visit_WithNode(o)
"with(#{o.left.accept(self)}) #{o.value.accept(self)}"
end
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