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Contents
# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2019 Eric Crane. All rights reserved.
#
# Run a script.
# Shortcut for telling a script to run.
#
module Gloo
module Verbs
class Run < Gloo::Core::Verb
KEYWORD = 'run'.freeze
KEYWORD_SHORT = 'r'.freeze
EVALUATE_RUN = '~>'.freeze
#
# Run the verb.
#
def run
if @tokens.second == EVALUATE_RUN
run_expression
else
run_script
end
end
#
# Run a script specified by pathname
#
def run_script
Gloo::Exec::Runner.run @tokens.second
end
#
# Evaluate an expression and run that.
#
def run_expression
return unless @tokens.token_count > 2
expr = Gloo::Expr::Expression.new( @tokens.params[ 1..-1 ] )
$engine.parser.run expr.evaluate
end
#
# Get the Verb's keyword.
#
def self.keyword
return KEYWORD
end
#
# Get the Verb's keyword shortcut.
#
def self.keyword_shortcut
return KEYWORD_SHORT
end
# ---------------------------------------------------------------------
# Help
# ---------------------------------------------------------------------
#
# Get help for this verb.
#
def self.help
return <<~TEXT
RUN VERB
NAME: run
SHORTCUT: r
DESCRIPTION
Run a script or other object.
This is the same as sending a 'run' message to the object.
SYNTAX
run <path.to.object>
PARAMETERS
path.to.object - Reference to the object which will be run.
RESULT
The result depends on the object that is run.
ERRORS
The errors depend on the object that is run.
TEXT
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems