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# File 'lib/oracle-sql-parser/grammar/expression/compound.rb', line 67
def _nt_compound_expression
start_index = index
if node_cache[:compound_expression].has_key?(index)
cached = node_cache[:compound_expression][index]
if cached
node_cache[:compound_expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
@index = cached.interval.end
end
return cached
end
i0, s0 = index, []
i1 = index
i2, s2 = index, []
if (match_len = has_terminal?('(', false, index))
r3 = true
@index += match_len
else
terminal_parse_failure('\'(\'')
r3 = nil
end
s2 << r3
if r3
r5 = _nt_space
if r5
r4 = r5
else
r4 = instantiate_node(SyntaxNode,input, index...index)
end
s2 << r4
if r4
r6 = _nt_expr
s2 << r6
if r6
r8 = _nt_space
if r8
r7 = r8
else
r7 = instantiate_node(SyntaxNode,input, index...index)
end
s2 << r7
if r7
if (match_len = has_terminal?(')', false, index))
r9 = true
@index += match_len
else
terminal_parse_failure('\')\'')
r9 = nil
end
s2 << r9
end
end
end
end
if s2.last
r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
r2.extend(CompoundExpression0)
else
@index = i2
r2 = nil
end
if r2
r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
r1 = r2
else
i10, s10 = index, []
r11 = _nt_not_loop_sql_expression
s10 << r11
if r11
r13 = _nt_space
if r13
r12 = r13
else
r12 = instantiate_node(SyntaxNode,input, index...index)
end
s10 << r12
if r12
i14 = index
if (match_len = has_terminal?('*', false, index))
r15 = true
@index += match_len
else
terminal_parse_failure('\'*\'')
r15 = nil
end
if r15
r15 = SyntaxNode.new(input, (index-1)...index) if r15 == true
r14 = r15
else
if (match_len = has_terminal?('/', false, index))
r16 = true
@index += match_len
else
terminal_parse_failure('\'/\'')
r16 = nil
end
if r16
r16 = SyntaxNode.new(input, (index-1)...index) if r16 == true
r14 = r16
else
if (match_len = has_terminal?('+', false, index))
r17 = true
@index += match_len
else
terminal_parse_failure('\'+\'')
r17 = nil
end
if r17
r17 = SyntaxNode.new(input, (index-1)...index) if r17 == true
r14 = r17
else
if (match_len = has_terminal?('-', false, index))
r18 = true
@index += match_len
else
terminal_parse_failure('\'-\'')
r18 = nil
end
if r18
r18 = SyntaxNode.new(input, (index-1)...index) if r18 == true
r14 = r18
else
if (match_len = has_terminal?('||', false, index))
r19 = instantiate_node(SyntaxNode,input, index...(index + match_len))
@index += match_len
else
terminal_parse_failure('\'||\'')
r19 = nil
end
if r19
r19 = SyntaxNode.new(input, (index-1)...index) if r19 == true
r14 = r19
else
@index = i14
r14 = nil
end
end
end
end
end
s10 << r14
if r14
r21 = _nt_space
if r21
r20 = r21
else
r20 = instantiate_node(SyntaxNode,input, index...index)
end
s10 << r20
if r20
r22 = _nt_expr
s10 << r22
end
end
end
end
if s10.last
r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
r10.extend(CompoundExpression1)
else
@index = i10
r10 = nil
end
if r10
r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
r1 = r10
else
i23, s23 = index, []
i24 = index
r25 = _nt_number_literal
if r25
@index = i24
r24 = nil
else
@index = i24
r24 = instantiate_node(SyntaxNode,input, index...index)
end
s23 << r24
if r24
i26 = index
r27 = _nt_prior_keyword
if r27
r27 = SyntaxNode.new(input, (index-1)...index) if r27 == true
r26 = r27
else
if (match_len = has_terminal?('-', false, index))
r28 = true
@index += match_len
else
terminal_parse_failure('\'-\'')
r28 = nil
end
if r28
r28 = SyntaxNode.new(input, (index-1)...index) if r28 == true
r26 = r28
else
if (match_len = has_terminal?('+', false, index))
r29 = true
@index += match_len
else
terminal_parse_failure('\'+\'')
r29 = nil
end
if r29
r29 = SyntaxNode.new(input, (index-1)...index) if r29 == true
r26 = r29
else
@index = i26
r26 = nil
end
end
end
s23 << r26
if r26
r31 = _nt_space
if r31
r30 = r31
else
r30 = instantiate_node(SyntaxNode,input, index...index)
end
s23 << r30
if r30
r32 = _nt_expr
s23 << r32
end
end
end
if s23.last
r23 = instantiate_node(SyntaxNode,input, i23...index, s23)
r23.extend(CompoundExpression2)
else
@index = i23
r23 = nil
end
if r23
r23 = SyntaxNode.new(input, (index-1)...index) if r23 == true
r1 = r23
else
@index = i1
r1 = nil
end
end
end
s0 << r1
if s0.last
r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
r0.extend(CompoundExpression3)
r0.extend(CompoundExpression4)
else
@index = i0
r0 = nil
end
node_cache[:compound_expression][start_index] = r0
r0
end
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