Class: ActiveFacts::CQL::Compiler
- Inherits:
-
Parser
- Object
- CQLParser
- Parser
- ActiveFacts::CQL::Compiler
show all
- Defined in:
- lib/activefacts/cql/compiler.rb,
lib/activefacts/cql/compiler/fact.rb,
lib/activefacts/cql/compiler/query.rb,
lib/activefacts/cql/compiler/clause.rb,
lib/activefacts/cql/compiler/shared.rb,
lib/activefacts/cql/compiler/fact_type.rb,
lib/activefacts/cql/compiler/constraint.rb,
lib/activefacts/cql/compiler/expression.rb,
lib/activefacts/cql/compiler/value_type.rb,
lib/activefacts/cql/compiler/entity_type.rb
Defined Under Namespace
Classes: Binding, Clause, ClauseMatchSideEffect, ClauseMatchSideEffects, Comparison, CompilationContext, Constraint, ContextNote, Definition, Enforcement, EntityType, Fact, FactType, Import, Literal, Negate, ObjectType, Operation, PresenceConstraint, Product, Quantifier, Query, Reciprocal, Reference, ReferenceMode, RingConstraint, SetComparisonConstraint, SetConstraint, SetEqualityConstraint, SetExclusionConstraint, SubsetConstraint, Sum, Unit, ValueConstraint, ValueType, Vocabulary
Constant Summary
collapse
- LANGUAGES =
{
'en' => 'English',
'fr' => 'French',
'cn' => 'Mandarin'
}
Constants included
from ActiveFacts
VERSION
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods inherited from Parser
#context, #parse, #parse_all
Constructor Details
#initialize(*a) ⇒ Compiler
Returns a new instance of Compiler.
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# File 'lib/activefacts/cql/compiler.rb', line 27
def initialize *a
@filename = a.shift || "stdio"
super *a
@constellation = ActiveFacts::API::Constellation.new(ActiveFacts::Metamodel)
@language = nil
debug :file, "Parsing '#{@filename}'"
end
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Instance Attribute Details
#vocabulary ⇒ Object
Returns the value of attribute vocabulary.
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# File 'lib/activefacts/cql/compiler.rb', line 25
def vocabulary
@vocabulary
end
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Instance Method Details
#compile(input) ⇒ Object
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# File 'lib/activefacts/cql/compiler.rb', line 59
def compile input
include_language
@string = input
ok = parse_all(@string, :definition) do |node|
debug :parse, "Parsed '#{node.text_value.gsub(/\s+/,' ').strip}'" do
begin
ast = node.ast
next unless ast
debug :ast, ast.inspect
ast.tree = node
ast.constellation = @constellation
ast.vocabulary = @vocabulary
value = compile_definition ast
debug :definition, "Compiled to #{value.is_a?(Array) ? value.map{|v| v.verbalise}*', ' : value.verbalise}" if value
@vocabulary = value if ast.is_a?(Compiler::Vocabulary)
rescue => e
start_line = @string.line_of(node.interval.first)
end_line = @string.line_of(node.interval.last-1)
lines = start_line != end_line ? "s #{start_line}-#{end_line}" : " #{start_line.to_s}"
ne = StandardError.new("at line#{lines} #{e.message.strip}")
ne.set_backtrace(e.backtrace)
raise ne
end
end
end
raise failure_reason unless ok
vocabulary
end
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#compile_definition(ast) ⇒ Object
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# File 'lib/activefacts/cql/compiler.rb', line 119
def compile_definition ast
ast.compile
end
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#compile_file(filename) ⇒ Object
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# File 'lib/activefacts/cql/compiler.rb', line 35
def compile_file filename
old_filename = @filename
@filename = filename
File.open(filename) do |f|
compile(f.read)
end
@filename = old_filename
@vocabulary
end
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#compile_import(file, aliases) ⇒ Object
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# File 'lib/activefacts/cql/compiler.rb', line 93
def compile_import file, aliases
saved_index = @index
saved_block = @block
saved_string = @string
saved_input_length = @input_length
old_filename = @filename
@filename = File.dirname(old_filename)+'/'+file+'.cql'
File.open(@filename) do |f|
ok = parse_all(f.read, nil, &@block)
end
rescue => e
ne = StandardError.new("In #{@filename} #{e.message.strip}")
ne.set_backtrace(e.backtrace)
raise ne
ensure
@block = saved_block
@index = saved_index
@input_length = saved_input_length
@string = saved_string
@filename = old_filename
nil
end
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#detect_language ⇒ Object
Load the appropriate natural language module
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# File 'lib/activefacts/cql/compiler.rb', line 46
def detect_language
@filename =~ /.*\.(..)\.cql$/i
language_code = $1
@language = LANGUAGES[language_code] || 'English'
end
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#include_language ⇒ Object
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# File 'lib/activefacts/cql/compiler.rb', line 52
def include_language
detect_language unless @langage
require 'activefacts/cql/Language/'+@language
language_module = ActiveFacts::CQL.const_get(@language)
extend language_module
end
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#unit?(s) ⇒ Boolean
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# File 'lib/activefacts/cql/compiler.rb', line 123
def unit? s
name = @constellation.Name[s]
units = (!name ? [] : Array(name.unit) + Array(name.unit_as_plural_name)).uniq
debug :units, "Looking for unit #{s}, got #{units.map{|u|u.name}.inspect}"
units.size > 0
end
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