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[example {
# -*- text -*-
# Parsing Expression Grammar 'TEMPLATE'.
# Generated for unknown, from file 'TEST'
#
# Grammar Start Expression
#
<<MAIN>>:
call sym_Expression
halt
#
# value Symbol 'AddOp'
#
sym_AddOp:
# /
# '-'
# '+'
symbol_restore AddOp
found! jump found_7
loc_push
call choice_5
fail! value_clear
ok! value_leaf AddOp
symbol_save AddOp
error_nonterminal AddOp
loc_pop_discard
found_7:
ok! ast_value_push
return
choice_5:
# /
# '-'
# '+'
error_clear
loc_push
error_push
input_next "t -"
ok! test_char "-"
error_pop_merge
ok! jump oknoast_4
loc_pop_rewind
loc_push
error_push
input_next "t +"
ok! test_char "+"
error_pop_merge
ok! jump oknoast_4
loc_pop_rewind
status_fail
return
oknoast_4:
loc_pop_discard
return
#
# value Symbol 'Digit'
#
sym_Digit:
# /
# '0'
# '1'
# '2'
# '3'
# '4'
# '5'
# '6'
# '7'
# '8'
# '9'
symbol_restore Digit
found! jump found_22
loc_push
call choice_20
fail! value_clear
ok! value_leaf Digit
symbol_save Digit
error_nonterminal Digit
loc_pop_discard
found_22:
ok! ast_value_push
return
choice_20:
# /
# '0'
# '1'
# '2'
# '3'
# '4'
# '5'
# '6'
# '7'
# '8'
# '9'
error_clear
loc_push
error_push
input_next "t 0"
ok! test_char "0"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 1"
ok! test_char "1"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 2"
ok! test_char "2"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 3"
ok! test_char "3"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 4"
ok! test_char "4"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 5"
ok! test_char "5"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 6"
ok! test_char "6"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 7"
ok! test_char "7"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 8"
ok! test_char "8"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
loc_push
error_push
input_next "t 9"
ok! test_char "9"
error_pop_merge
ok! jump oknoast_19
loc_pop_rewind
status_fail
return
oknoast_19:
loc_pop_discard
return
#
# value Symbol 'Expression'
#
sym_Expression:
# /
# x
# '\('
# (Expression)
# '\)'
# x
# (Factor)
# *
# x
# (MulOp)
# (Factor)
symbol_restore Expression
found! jump found_46
loc_push
ast_push
call choice_44
fail! value_clear
ok! value_reduce Expression
symbol_save Expression
error_nonterminal Expression
ast_pop_rewind
loc_pop_discard
found_46:
ok! ast_value_push
return
choice_44:
# /
# x
# '\('
# (Expression)
# '\)'
# x
# (Factor)
# *
# x
# (MulOp)
# (Factor)
error_clear
ast_push
loc_push
error_push
call sequence_27
error_pop_merge
ok! jump ok_43
ast_pop_rewind
loc_pop_rewind
ast_push
loc_push
error_push
call sequence_40
error_pop_merge
ok! jump ok_43
ast_pop_rewind
loc_pop_rewind
status_fail
return
ok_43:
ast_pop_discard
loc_pop_discard
return
sequence_27:
# x
# '\('
# (Expression)
# '\)'
loc_push
error_clear
error_push
input_next "t ("
ok! test_char "("
error_pop_merge
fail! jump failednoast_29
ast_push
error_push
call sym_Expression
error_pop_merge
fail! jump failed_28
error_push
input_next "t )"
ok! test_char ")"
error_pop_merge
fail! jump failed_28
ast_pop_discard
loc_pop_discard
return
failed_28:
ast_pop_rewind
failednoast_29:
loc_pop_rewind
return
sequence_40:
# x
# (Factor)
# *
# x
# (MulOp)
# (Factor)
ast_push
loc_push
error_clear
error_push
call sym_Factor
error_pop_merge
fail! jump failed_41
error_push
call kleene_37
error_pop_merge
fail! jump failed_41
ast_pop_discard
loc_pop_discard
return
failed_41:
ast_pop_rewind
loc_pop_rewind
return
kleene_37:
# *
# x
# (MulOp)
# (Factor)
loc_push
error_push
call sequence_34
error_pop_merge
fail! jump failed_38
loc_pop_discard
jump kleene_37
failed_38:
loc_pop_rewind
status_ok
return
sequence_34:
# x
# (MulOp)
# (Factor)
ast_push
loc_push
error_clear
error_push
call sym_MulOp
error_pop_merge
fail! jump failed_35
error_push
call sym_Factor
error_pop_merge
fail! jump failed_35
ast_pop_discard
loc_pop_discard
return
failed_35:
ast_pop_rewind
loc_pop_rewind
return
#
# value Symbol 'Factor'
#
sym_Factor:
# x
# (Term)
# *
# x
# (AddOp)
# (Term)
symbol_restore Factor
found! jump found_60
loc_push
ast_push
call sequence_57
fail! value_clear
ok! value_reduce Factor
symbol_save Factor
error_nonterminal Factor
ast_pop_rewind
loc_pop_discard
found_60:
ok! ast_value_push
return
sequence_57:
# x
# (Term)
# *
# x
# (AddOp)
# (Term)
ast_push
loc_push
error_clear
error_push
call sym_Term
error_pop_merge
fail! jump failed_58
error_push
call kleene_54
error_pop_merge
fail! jump failed_58
ast_pop_discard
loc_pop_discard
return
failed_58:
ast_pop_rewind
loc_pop_rewind
return
kleene_54:
# *
# x
# (AddOp)
# (Term)
loc_push
error_push
call sequence_51
error_pop_merge
fail! jump failed_55
loc_pop_discard
jump kleene_54
failed_55:
loc_pop_rewind
status_ok
return
sequence_51:
# x
# (AddOp)
# (Term)
ast_push
loc_push
error_clear
error_push
call sym_AddOp
error_pop_merge
fail! jump failed_52
error_push
call sym_Term
error_pop_merge
fail! jump failed_52
ast_pop_discard
loc_pop_discard
return
failed_52:
ast_pop_rewind
loc_pop_rewind
return
#
# value Symbol 'MulOp'
#
sym_MulOp:
# /
# '*'
# '/'
symbol_restore MulOp
found! jump found_67
loc_push
call choice_65
fail! value_clear
ok! value_leaf MulOp
symbol_save MulOp
error_nonterminal MulOp
loc_pop_discard
found_67:
ok! ast_value_push
return
choice_65:
# /
# '*'
# '/'
error_clear
loc_push
error_push
input_next "t *"
ok! test_char "*"
error_pop_merge
ok! jump oknoast_64
loc_pop_rewind
loc_push
error_push
input_next "t /"
ok! test_char "/"
error_pop_merge
ok! jump oknoast_64
loc_pop_rewind
status_fail
return
oknoast_64:
loc_pop_discard
return
#
# value Symbol 'Number'
#
sym_Number:
# x
# ?
# (Sign)
# +
# (Digit)
symbol_restore Number
found! jump found_80
loc_push
ast_push
call sequence_77
fail! value_clear
ok! value_reduce Number
symbol_save Number
error_nonterminal Number
ast_pop_rewind
loc_pop_discard
found_80:
ok! ast_value_push
return
sequence_77:
# x
# ?
# (Sign)
# +
# (Digit)
ast_push
loc_push
error_clear
error_push
call optional_70
error_pop_merge
fail! jump failed_78
error_push
call poskleene_73
error_pop_merge
fail! jump failed_78
ast_pop_discard
loc_pop_discard
return
failed_78:
ast_pop_rewind
loc_pop_rewind
return
optional_70:
# ?
# (Sign)
loc_push
error_push
call sym_Sign
error_pop_merge
fail! loc_pop_rewind
ok! loc_pop_discard
status_ok
return
poskleene_73:
# +
# (Digit)
loc_push
call sym_Digit
fail! jump failed_74
loop_75:
loc_pop_discard
loc_push
error_push
call sym_Digit
error_pop_merge
ok! jump loop_75
status_ok
failed_74:
loc_pop_rewind
return
#
# value Symbol 'Sign'
#
sym_Sign:
# /
# '-'
# '+'
symbol_restore Sign
found! jump found_86
loc_push
call choice_5
fail! value_clear
ok! value_leaf Sign
symbol_save Sign
error_nonterminal Sign
loc_pop_discard
found_86:
ok! ast_value_push
return
#
# value Symbol 'Term'
#
sym_Term:
# (Number)
symbol_restore Term
found! jump found_89
loc_push
ast_push
call sym_Number
fail! value_clear
ok! value_reduce Term
symbol_save Term
error_nonterminal Term
ast_pop_rewind
loc_pop_discard
found_89:
ok! ast_value_push
return
#
#
}]
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