Class: Gitlab::Ci::Pipeline::Expression::Statement
- Inherits:
-
Object
- Object
- Gitlab::Ci::Pipeline::Expression::Statement
- Defined in:
- lib/gitlab/ci/pipeline/expression/statement.rb
Constant Summary collapse
- StatementError =
Class.new(Expression::ExpressionError)
Instance Method Summary collapse
- #evaluate ⇒ Object
-
#initialize(statement, variables = nil) ⇒ Statement
constructor
A new instance of Statement.
- #parse_tree ⇒ Object
- #truthful? ⇒ Boolean
- #valid? ⇒ Boolean
Constructor Details
#initialize(statement, variables = nil) ⇒ Statement
Returns a new instance of Statement.
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# File 'lib/gitlab/ci/pipeline/expression/statement.rb', line 10 def initialize(statement, variables = nil) @lexer = Expression::Lexer.new(statement) @variables = variables || {} end |
Instance Method Details
#evaluate ⇒ Object
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# File 'lib/gitlab/ci/pipeline/expression/statement.rb', line 21 def evaluate parse_tree.evaluate(@variables) end |
#parse_tree ⇒ Object
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# File 'lib/gitlab/ci/pipeline/expression/statement.rb', line 15 def parse_tree raise StatementError if @lexer.lexemes.empty? Expression::Parser.new(@lexer.tokens).tree end |
#truthful? ⇒ Boolean
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# File 'lib/gitlab/ci/pipeline/expression/statement.rb', line 25 def truthful? evaluate.present? rescue Expression::ExpressionError false end |
#valid? ⇒ Boolean
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# File 'lib/gitlab/ci/pipeline/expression/statement.rb', line 31 def valid? evaluate parse_tree.is_a?(Lexeme::Base) rescue Expression::ExpressionError false end |