xref: /macosx-10.10.1/tcl-105/tcl_ext/tcllib/tcllib/modules/pt/tests/data/ok/peg_tclparam-tcloo/0_basic_arithmetic

## -*- tcl -*-
##
## OO-based Tcl/PARAM implementation of the parsing
## expression grammar
##
##	TEMPLATE
##
## Generated from file	TEST
##            for user  unknown
##
# # ## ### ##### ######## ############# #####################
## Requirements

package require Tcl 8.5
package require OO
package require pt::rde::oo ; # OO-based implementation of the
			      # PARAM virtual machine
			      # underlying the Tcl/PARAM code
			      # used below.

# # ## ### ##### ######## ############# #####################
##

oo::class create PARSER {
    # # ## ### ##### ######## #############
    ## Public API

    superclass pt::rde::oo ; # TODO - Define this class.
                             # Or can we inherit from a snit
                             # class too ?

    method parse {channel} {
	my reset $channel
	my MAIN ; # Entrypoint for the generated code.
	return [my complete]
    }

    method parset {text} {
	my reset
	my data $text
	my MAIN ; # Entrypoint for the generated code.
	return [my complete]
    }

    # # ## ### ###### ######## #############
    ## BEGIN of GENERATED CODE. DO NOT EDIT.

    #
    # Grammar Start Expression
    #
    
    method MAIN {} {
        my sym_Expression
        return
    }
    
    #
    # value Symbol 'AddOp'
    #
    
    method sym_AddOp {} {
        # [-+]
    
        my si:void_symbol_start AddOp
        my si:next_class -+
        my si:void_leaf_symbol_end AddOp
        return
    }
    
    #
    # value Symbol 'Digit'
    #
    
    method sym_Digit {} {
        # [0123456789]
    
        my si:void_symbol_start Digit
        my si:next_class 0123456789
        my si:void_leaf_symbol_end Digit
        return
    }
    
    #
    # value Symbol 'Expression'
    #
    
    method sym_Expression {} {
        # /
        #     x
        #         '\('
        #         (Expression)
        #         '\)'
        #     x
        #         (Factor)
        #         *
        #             x
        #                 (MulOp)
        #                 (Factor)
    
        my si:value_symbol_start Expression
        my choice_20
        my si:reduce_symbol_end Expression
        return
    }
    
    method choice_20 {} {
        # /
        #     x
        #         '\('
        #         (Expression)
        #         '\)'
        #     x
        #         (Factor)
        #         *
        #             x
        #                 (MulOp)
        #                 (Factor)
    
        my si:value_state_push
        my sequence_9
        my si:valuevalue_branch
        my sequence_18
        my si:value_state_merge
        return
    }
    
    method sequence_9 {} {
        # x
        #     '\('
        #     (Expression)
        #     '\)'
    
        my si:void_state_push
        my si:next_char \50
        my si:voidvalue_part
        my sym_Expression
        my si:valuevalue_part
        my si:next_char \51
        my si:value_state_merge
        return
    }
    
    method sequence_18 {} {
        # x
        #     (Factor)
        #     *
        #         x
        #             (MulOp)
        #             (Factor)
    
        my si:value_state_push
        my sym_Factor
        my si:valuevalue_part
        my kleene_16
        my si:value_state_merge
        return
    }
    
    method kleene_16 {} {
        # *
        #     x
        #         (MulOp)
        #         (Factor)
    
        while {1} {
            my si:void2_state_push
        my sequence_14
            my si:kleene_close
        }
        return
    }
    
    method sequence_14 {} {
        # x
        #     (MulOp)
        #     (Factor)
    
        my si:value_state_push
        my sym_MulOp
        my si:valuevalue_part
        my sym_Factor
        my si:value_state_merge
        return
    }
    
    #
    # value Symbol 'Factor'
    #
    
    method sym_Factor {} {
        # x
        #     (Term)
        #     *
        #         x
        #             (AddOp)
        #             (Term)
    
        my si:value_symbol_start Factor
        my sequence_30
        my si:reduce_symbol_end Factor
        return
    }
    
    method sequence_30 {} {
        # x
        #     (Term)
        #     *
        #         x
        #             (AddOp)
        #             (Term)
    
        my si:value_state_push
        my sym_Term
        my si:valuevalue_part
        my kleene_28
        my si:value_state_merge
        return
    }
    
    method kleene_28 {} {
        # *
        #     x
        #         (AddOp)
        #         (Term)
    
        while {1} {
            my si:void2_state_push
        my sequence_26
            my si:kleene_close
        }
        return
    }
    
    method sequence_26 {} {
        # x
        #     (AddOp)
        #     (Term)
    
        my si:value_state_push
        my sym_AddOp
        my si:valuevalue_part
        my sym_Term
        my si:value_state_merge
        return
    }
    
    #
    # value Symbol 'MulOp'
    #
    
    method sym_MulOp {} {
        # [*/]
    
        my si:void_symbol_start MulOp
        my si:next_class */
        my si:void_leaf_symbol_end MulOp
        return
    }
    
    #
    # value Symbol 'Number'
    #
    
    method sym_Number {} {
        # x
        #     ?
        #         (Sign)
        #     +
        #         (Digit)
    
        my si:value_symbol_start Number
        my sequence_41
        my si:reduce_symbol_end Number
        return
    }
    
    method sequence_41 {} {
        # x
        #     ?
        #         (Sign)
        #     +
        #         (Digit)
    
        my si:value_state_push
        my optional_36
        my si:valuevalue_part
        my poskleene_39
        my si:value_state_merge
        return
    }
    
    method optional_36 {} {
        # ?
        #     (Sign)
    
        my si:void2_state_push
        my sym_Sign
        my si:void_state_merge_ok
        return
    }
    
    method poskleene_39 {} {
        # +
        #     (Digit)
    
        my i_loc_push
        my sym_Digit
        my si:kleene_abort
        while {1} {
            my si:void2_state_push
        my sym_Digit
            my si:kleene_close
        }
        return
    }
    
    #
    # value Symbol 'Sign'
    #
    
    method sym_Sign {} {
        # [-+]
    
        my si:void_symbol_start Sign
        my si:next_class -+
        my si:void_leaf_symbol_end Sign
        return
    }
    
    #
    # value Symbol 'Term'
    #
    
    method sym_Term {} {
        # (Number)
    
        my si:value_symbol_start Term
        my sym_Number
        my si:reduce_symbol_end Term
        return
    }
    
    ## END of GENERATED CODE. DO NOT EDIT.
    # # ## ### ###### ######## #############
}

# # ## ### ##### ######## ############# #####################
## Ready

package provide OO_PACKAGE 1
return