Module: ElasticityGrammar

Includes:
Treetop::Runtime
Included in:
ElasticityGrammarParser
Defined in:
lib/opennebula/flow/grammar.rb

Overview

Copyright 2002-2021, OpenNebula Project, OpenNebula Systems #

#

Licensed under the Apache License, Version 2.0 (the “License”); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at #

#

www.apache.org/licenses/LICENSE-2.0 #

#

Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an “AS IS” BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # ————————————————————————— #

Defined Under Namespace

Modules: BooleanExp0, BooleanExp1, BooleanExp2, BooleanExp3, CompOp0, CompOp1, CompOp2, CompOp3, CompOp4, CompOp5, Expression0, Expression1, LogicCond0, LogicCond1, LogicCond2, LogicCond3, LogicCond4, LogicCond5, Number0, Number1, Number2, Number3, Operand0, Operand1, Variable0, Variable1, Variable2, Variable3

Instance Method Summary collapse

Instance Method Details

#_nt_boolean_exp ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 165

def _nt_boolean_exp
  start_index = index
  if node_cache[:boolean_exp].has_key?(index)
    cached = node_cache[:boolean_exp][index]
    if cached
      node_cache[:boolean_exp][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_logic_cond
  s1 << r2
  if r2
    r3 = _nt_space
    s1 << r3
    if r3
      i4 = index
      if (match_len = has_terminal?('&&', false, index))
        r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'&&\'')
        r5 = nil
      end
      if r5
        r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
        r4 = r5
      else
        if (match_len = has_terminal?('&', false, index))
          r6 = true
          @index += match_len
        else
          terminal_parse_failure('\'&\'')
          r6 = nil
        end
        if r6
          r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
          r4 = r6
        else
          @index = i4
          r4 = nil
        end
      end
      s1 << r4
      if r4
        r7 = _nt_space
        s1 << r7
        if r7
          r8 = _nt_expression
          s1 << r8
        end
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(BooleanExp0)
    r1.extend(BooleanExp1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i9, s9 = index, []
    r10 = _nt_logic_cond
    s9 << r10
    if r10
      r11 = _nt_space
      s9 << r11
      if r11
        i12 = index
        if (match_len = has_terminal?('||', false, index))
          r13 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\'||\'')
          r13 = nil
        end
        if r13
          r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
          r12 = r13
        else
          if (match_len = has_terminal?('|', false, index))
            r14 = true
            @index += match_len
          else
            terminal_parse_failure('\'|\'')
            r14 = nil
          end
          if r14
            r14 = SyntaxNode.new(input, (index-1)...index) if r14 == true
            r12 = r14
          else
            @index = i12
            r12 = nil
          end
        end
        s9 << r12
        if r12
          r15 = _nt_space
          s9 << r15
          if r15
            r16 = _nt_expression
            s9 << r16
          end
        end
      end
    end
    if s9.last
      r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
      r9.extend(BooleanExp2)
      r9.extend(BooleanExp3)
    else
      @index = i9
      r9 = nil
    end
    if r9
      r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
      r0 = r9
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:boolean_exp][start_index] = r0

  r0
end

#_nt_comp_op ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 551

def _nt_comp_op
  start_index = index
  if node_cache[:comp_op].has_key?(index)
    cached = node_cache[:comp_op][index]
    if cached
      node_cache[:comp_op][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1 = index
  if (match_len = has_terminal?('==', false, index))
    r2 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'==\'')
    r2 = nil
  end
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
    r1.extend(CompOp0)
  else
    if (match_len = has_terminal?('=', false, index))
      r3 = true
      @index += match_len
    else
      terminal_parse_failure('\'=\'')
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
      r1.extend(CompOp0)
    else
      @index = i1
      r1 = nil
    end
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i4 = index
    if (match_len = has_terminal?('!=', false, index))
      r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'!=\'')
      r5 = nil
    end
    if r5
      r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
      r4 = r5
      r4.extend(CompOp1)
    else
      if (match_len = has_terminal?('<>', false, index))
        r6 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'<>\'')
        r6 = nil
      end
      if r6
        r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
        r4 = r6
        r4.extend(CompOp1)
      else
        @index = i4
        r4 = nil
      end
    end
    if r4
      r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
      r0 = r4
    else
      if (match_len = has_terminal?('>=', false, index))
        r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        r7.extend(CompOp2)
        @index += match_len
      else
        terminal_parse_failure('\'>=\'')
        r7 = nil
      end
      if r7
        r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
        r0 = r7
      else
        if (match_len = has_terminal?('>', false, index))
          r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          r8.extend(CompOp3)
          @index += match_len
        else
          terminal_parse_failure('\'>\'')
          r8 = nil
        end
        if r8
          r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
          r0 = r8
        else
          if (match_len = has_terminal?('<=', false, index))
            r9 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            r9.extend(CompOp4)
            @index += match_len
          else
            terminal_parse_failure('\'<=\'')
            r9 = nil
          end
          if r9
            r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
            r0 = r9
          else
            if (match_len = has_terminal?('<', false, index))
              r10 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              r10.extend(CompOp5)
              @index += match_len
            else
              terminal_parse_failure('\'<\'')
              r10 = nil
            end
            if r10
              r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
              r0 = r10
            else
              @index = i0
              r0 = nil
            end
          end
        end
      end
    end
  end

  node_cache[:comp_op][start_index] = r0

  r0
end

#_nt_expression ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 47

def _nt_expression
  start_index = index
  if node_cache[:expression].has_key?(index)
    cached = node_cache[:expression][index]
    if cached
      node_cache[:expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_space
  s0 << r1
  if r1
    i2 = index
    r3 = _nt_boolean_exp
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      r4 = _nt_logic_cond
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r2 = r4
      else
        @index = i2
        r2 = nil
      end
    end
    s0 << r2
    if r2
      r5 = _nt_space
      s0 << r5
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Expression0)
    r0.extend(Expression1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:expression][start_index] = r0

  r0
end

#_nt_logic_cond ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 389

def _nt_logic_cond
  start_index = index
  if node_cache[:logic_cond].has_key?(index)
    cached = node_cache[:logic_cond][index]
    if cached
      node_cache[:logic_cond][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_operand
  s1 << r2
  if r2
    r3 = _nt_space
    s1 << r3
    if r3
      r4 = _nt_comp_op
      s1 << r4
      if r4
        r5 = _nt_space
        s1 << r5
        if r5
          r6 = _nt_operand
          s1 << r6
        end
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(LogicCond0)
    r1.extend(LogicCond1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i7, s7 = index, []
    if (match_len = has_terminal?('!', false, index))
      r8 = true
      @index += match_len
    else
      terminal_parse_failure('\'!\'')
      r8 = nil
    end
    s7 << r8
    if r8
      r9 = _nt_space
      s7 << r9
      if r9
        r10 = _nt_expression
        s7 << r10
      end
    end
    if s7.last
      r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
      r7.extend(LogicCond2)
      r7.extend(LogicCond3)
    else
      @index = i7
      r7 = nil
    end
    if r7
      r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
      r0 = r7
    else
      i11, s11 = index, []
      if (match_len = has_terminal?('(', false, index))
        r12 = true
        @index += match_len
      else
        terminal_parse_failure('\'(\'')
        r12 = nil
      end
      s11 << r12
      if r12
        r13 = _nt_space
        s11 << r13
        if r13
          r14 = _nt_expression
          s11 << r14
          if r14
            r15 = _nt_space
            s11 << r15
            if r15
              if (match_len = has_terminal?(')', false, index))
                r16 = true
                @index += match_len
              else
                terminal_parse_failure('\')\'')
                r16 = nil
              end
              s11 << r16
            end
          end
        end
      end
      if s11.last
        r11 = instantiate_node(SyntaxNode,input, i11...index, s11)
        r11.extend(LogicCond4)
        r11.extend(LogicCond5)
      else
        @index = i11
        r11 = nil
      end
      if r11
        r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
        r0 = r11
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:logic_cond][start_index] = r0

  r0
end

#_nt_number ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 759

def _nt_number
  start_index = index
  if node_cache[:number].has_key?(index)
    cached = node_cache[:number][index]
    if cached
      node_cache[:number][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  if (match_len = has_terminal?('-', false, index))
    r3 = true
    @index += match_len
  else
    terminal_parse_failure('\'-\'')
    r3 = nil
  end
  if r3
    r2 = r3
  else
    r2 = instantiate_node(SyntaxNode,input, index...index)
  end
  s1 << r2
  if r2
    s4, i4 = [], index
    loop do
      if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
        r5 = true
        @index += 1
      else
        terminal_parse_failure('[0-9]')
        r5 = nil
      end
      if r5
        s4 << r5
      else
        break
      end
    end
    if s4.empty?
      @index = i4
      r4 = nil
    else
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
    end
    s1 << r4
    if r4
      if (match_len = has_terminal?('.', false, index))
        r6 = true
        @index += match_len
      else
        terminal_parse_failure('\'.\'')
        r6 = nil
      end
      s1 << r6
      if r6
        s7, i7 = [], index
        loop do
          if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
            r8 = true
            @index += 1
          else
            terminal_parse_failure('[0-9]')
            r8 = nil
          end
          if r8
            s7 << r8
          else
            break
          end
        end
        if s7.empty?
          @index = i7
          r7 = nil
        else
          r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        end
        s1 << r7
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Number0)
    r1.extend(Number1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i9, s9 = index, []
    if (match_len = has_terminal?('-', false, index))
      r11 = true
      @index += match_len
    else
      terminal_parse_failure('\'-\'')
      r11 = nil
    end
    if r11
      r10 = r11
    else
      r10 = instantiate_node(SyntaxNode,input, index...index)
    end
    s9 << r10
    if r10
      s12, i12 = [], index
      loop do
        if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
          r13 = true
          @index += 1
        else
          terminal_parse_failure('[0-9]')
          r13 = nil
        end
        if r13
          s12 << r13
        else
          break
        end
      end
      if s12.empty?
        @index = i12
        r12 = nil
      else
        r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
      end
      s9 << r12
    end
    if s9.last
      r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
      r9.extend(Number2)
      r9.extend(Number3)
    else
      @index = i9
      r9 = nil
    end
    if r9
      r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
      r0 = r9
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:number][start_index] = r0

  r0
end

#_nt_operand ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 703

def _nt_operand
  start_index = index
  if node_cache[:operand].has_key?(index)
    cached = node_cache[:operand][index]
    if cached
      node_cache[:operand][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_number
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_variable
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:operand][start_index] = r0

  r0
end

#_nt_space ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 1158

def _nt_space
  start_index = index
  if node_cache[:space].has_key?(index)
    cached = node_cache[:space][index]
    if cached
      node_cache[:space][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  s0, i0 = [], index
  loop do
    if (match_len = has_terminal?(' ', false, index))
      r1 = true
      @index += match_len
    else
      terminal_parse_failure('\' \'')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = instantiate_node(SyntaxNode,input, i0...index, s0)

  node_cache[:space][start_index] = r0

  r0
end

#_nt_variable ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 975

def _nt_variable
  start_index = index
  if node_cache[:variable].has_key?(index)
    cached = node_cache[:variable][index]
    if cached
      node_cache[:variable][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  if (match_len = has_terminal?('"', false, index))
    r2 = true
    @index += match_len
  else
    terminal_parse_failure('\'"\'')
    r2 = nil
  end
  s1 << r2
  if r2
    if has_terminal?(@regexps[gr = '\A[a-zA-Z]'] ||= Regexp.new(gr), :regexp, index)
      r3 = true
      @index += 1
    else
      terminal_parse_failure('[a-zA-Z]')
      r3 = nil
    end
    s1 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?(@regexps[gr = '\A[0-9a-zA-Z_]'] ||= Regexp.new(gr), :regexp, index)
          r5 = true
          @index += 1
        else
          terminal_parse_failure('[0-9a-zA-Z_]')
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      s1 << r4
      if r4
        if (match_len = has_terminal?('"', false, index))
          r6 = true
          @index += match_len
        else
          terminal_parse_failure('\'"\'')
          r6 = nil
        end
        s1 << r6
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Variable0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
    r0.extend(Variable3)
  else
    i7, s7 = index, []
    if (match_len = has_terminal?('\'', false, index))
      r8 = true
      @index += match_len
    else
      terminal_parse_failure('\'\\\'\'')
      r8 = nil
    end
    s7 << r8
    if r8
      if has_terminal?(@regexps[gr = '\A[a-zA-Z]'] ||= Regexp.new(gr), :regexp, index)
        r9 = true
        @index += 1
      else
        terminal_parse_failure('[a-zA-Z]')
        r9 = nil
      end
      s7 << r9
      if r9
        s10, i10 = [], index
        loop do
          if has_terminal?(@regexps[gr = '\A[0-9a-zA-Z_]'] ||= Regexp.new(gr), :regexp, index)
            r11 = true
            @index += 1
          else
            terminal_parse_failure('[0-9a-zA-Z_]')
            r11 = nil
          end
          if r11
            s10 << r11
          else
            break
          end
        end
        r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
        s7 << r10
        if r10
          if (match_len = has_terminal?('\'', false, index))
            r12 = true
            @index += match_len
          else
            terminal_parse_failure('\'\\\'\'')
            r12 = nil
          end
          s7 << r12
        end
      end
    end
    if s7.last
      r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
      r7.extend(Variable1)
    else
      @index = i7
      r7 = nil
    end
    if r7
      r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
      r0 = r7
      r0.extend(Variable3)
    else
      i13, s13 = index, []
      if has_terminal?(@regexps[gr = '\A[a-zA-Z]'] ||= Regexp.new(gr), :regexp, index)
        r14 = true
        @index += 1
      else
        terminal_parse_failure('[a-zA-Z]')
        r14 = nil
      end
      s13 << r14
      if r14
        s15, i15 = [], index
        loop do
          if has_terminal?(@regexps[gr = '\A[0-9a-zA-Z_]'] ||= Regexp.new(gr), :regexp, index)
            r16 = true
            @index += 1
          else
            terminal_parse_failure('[0-9a-zA-Z_]')
            r16 = nil
          end
          if r16
            s15 << r16
          else
            break
          end
        end
        r15 = instantiate_node(SyntaxNode,input, i15...index, s15)
        s13 << r15
      end
      if s13.last
        r13 = instantiate_node(SyntaxNode,input, i13...index, s13)
        r13.extend(Variable2)
      else
        @index = i13
        r13 = nil
      end
      if r13
        r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
        r0 = r13
        r0.extend(Variable3)
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:variable][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/opennebula/flow/grammar.rb', line 23

def root
  @root ||= :expression
end