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|
# Main region.
lex
token DEF / 'def' /
token LEX / 'lex' /
token END / 'end' /
token TOKEN / 'token' /
token RL / 'rl' /
token IGNORE / 'ignore' /
token PRINT / 'print' /
token PRINTS / 'prints' /
token PRINT_XML / 'print_xml' /
token PRINT_XML_AC / 'print_xml_ac' /
token PARSE / 'parse' /
token PARSE_TREE / 'parse_tree' /
token PARSE_STOP / 'parse_stop' /
token CONS / 'construct' | 'cons' /
token MATCH / 'match' /
token REQUIRE / 'require' /
token SEND / 'send' /
token SEND_TREE / 'send_tree' /
token NAMESPACE / 'namespace' /
token FOR / 'for' /
token IF / 'if' /
token YIELD / 'yield' /
token WHILE / 'while' /
token ELSIF / 'elsif' /
token ELSE / 'else' /
token IN / 'in' /
token PARSER / 'parser' | 'accum' /
token LIST / 'list' /
token LIST_EL / 'list_el' /
token MAP / 'map' /
token MAP_EL / 'map_el' /
token PTR / 'ptr' /
token ITER / 'iter' /
token REF / 'ref' /
token EXPORT / 'export' /
token RETURN / 'return' /
token BREAK / 'break' /
token REJECT / 'reject' /
token REDUCEFIRST / 'reducefirst' /
token ALIAS / 'alias' /
token COMMIT / 'commit' /
token NEW / 'new' /
token PREEOF / 'preeof' /
token GLOBAL / 'global' /
token EOS / 'eos' /
token CAST / 'cast' /
token SWITCH / 'switch' /
token CASE / 'case' /
token DEFAULT / 'default' /
token INT / 'int' /
token BOOL / 'bool' /
token MAKE_TOKEN / 'make_token' /
token MAKE_TREE / 'make_tree' /
token TYPEID / 'typeid' /
token LITERAL / 'literal' /
token CONTEXT / 'context' /
token STRUCT / 'struct' /
token NI /'ni'/
token NIL / 'nil' /
token TRUE / 'true' /
token FALSE / 'false' /
token LEFT /'left'/
token RIGHT /'right'/
token NONASSOC /'nonassoc'/
token INCLUDE /'include'/
token id /
( 'a' .. 'z' | 'A' .. 'Z' | '_' ) .
( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' ) *
/
token number
/ ( '0' .. '9' ) + /
token backtick_lit
/ '`' . ^( ' ' | '\n' | '\t' | ']' )+ | '`]' /
token DQ / '\"' / ni
token SQ / '\'' / ni
token TILDE / '~' / ni
token SQOPEN /'['/
token SQCLOSE /']'/
token BAR /'|'/
token FSLASH /'/'/
token COLON /':'/
token DOUBLE_COLON /'::'/
token DOT /'.'/
token ARROW /'->'/
token POPEN /'('/
token PCLOSE /')'/
token COPEN /'{'/
token CCLOSE /'}'/
token STAR /'*'/
token QUESTION /'?'/
token EQUALS /'='/
token EQEQ /'=='/
token NEQ /'!='/
token COMMA /','/
token LT /'<'/
token GT /'>'/
token LTEQ /'<='/
token GTEQ /'>='/
token BANG /'!'/
token DOLLAR /'$'/
token CARET /'^'/
token PERCENT /'%'/
token PLUS /'+'/
token MINUS /'-'/
token AMPAMP /'&&'/
token BARBAR /'||'/
ignore / ( '\n' | '\t' | ' ' )+ /
ignore / '#' . ( ^'\n' )* . '\n' /
end
lex
token CONS_DQ / '\"' /
token CONS_DQ_NL / '\n' /
token CONS_SQOPEN / '[' /
token CONS_SQCLOSE / ']' /
token dq_cons_data
/ ( ^( '\n' | '\"' | '[' | ']' | '\\' ) | '\\' . any )+ /
end
lex
token CONS_SQ / '\'' /
token CONS_SQ_NL / '\n' /
token sq_cons_data
/ ( ^( '\n' | '\'' | '\\' ) | '\\' . any )+ /
end
lex
token TILDE_NL / '\n' /
token tilde_data
/ ( ^'\n' )+ /
end
lex
token lex_id /
( 'a' .. 'z' | 'A' .. 'Z' | '_' ) .
( 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' ) *
/
token lex_uint
/ ( '0' .. '9' )+ /
token lex_hex
/ '0x' . ( '0' .. '9' | 'a' .. 'f' | 'A' .. 'F' )+ /
token lex_lit /
'\'' . ( ^( '\'' | '\\' ) | '\\' . any )* . ( '\'' | '\'i' ) |
'\"' . ( ^( '\"' | '\\' ) | '\\' . any )* . ( '\"' | '\"i' )
/
token LEX_DOT /'.'/
token LEX_BAR /'|'/
token LEX_AMP /'&'/
token LEX_DASH /'-'/
token LEX_POPEN /'('/
token LEX_PCLOSE /')'/
token LEX_STAR /'*'/
token LEX_STARSTAR /'**'/
token LEX_QUESTION /'?'/
token LEX_PLUS /'+'/
token LEX_CARET /'^'/
token LEX_DOTDOT /'..'/
token LEX_SQOPEN_POS /'['/ ni
token LEX_SQOPEN_NEG /'[^'/ ni
token LEX_FSLASH /'/'/
token LEX_DASHDASH /'--'/
token LEX_COLON_GT /':>'/
token LEX_COLON_GTGT /':>>'/
token LEX_LT_COLON /'<:'/
ignore /
( '\n' | '\t' | ' ' ) .
( '\n' | '\t' | ' ' )*
/
ignore / '#' . ( ^'\n' )* . '\n' /
end
lex
token RE_DASH / '-' /
token RE_CHAR / ^( '\\' | '-' | ']' ) | '\\' . any /
token RE_SQCLOSE / ']' /
end
def start
[RootItemList: root_item*]
def root_item
[rl_def] :Rl commit
| [literal_def] :Literal commit
| [token_def] :Token commit
| [ic_def] :IgnoreCollector commit
| [ignore_def] :Ignore commit
| [cfl_def] :Cfl commit
| [region_def] :Region commit
| [struct_def] :Struct commit
| [namespace_def] :Namespace commit
| [function_def] :Function commit
| [in_host_def] :InHost commit
| [iter_def] :Iter commit
| [statement] :Statement commit
| [global_def] :Global commit
| [export_def] :Export commit
| [pre_eof_def] :PreEof commit
| [precedence_def] :Precedence commit
| [alias_def] :Alias commit
| [include] :Include commit
def include
[INCLUDE SQ SqConsDataList: sq_cons_data* sq_lit_term]
def precedence_def
[pred_type pred_token_list]
def pred_type
[LEFT] :Left
| [RIGHT] :Right
| [NONASSOC] :NonAssoc
def pred_token_list
[pred_token_list COMMA pred_token] :List
| [pred_token] :Base
def pred_token
[region_qual id] :Id
| [region_qual backtick_lit] :Lit
def pre_eof_def
[PREEOF COPEN lang_stmt_list CCLOSE]
def alias_def
[ALIAS id type_ref]
def struct_item
[struct_var_def] :StructVar commit
| [literal_def] :Literal commit
| [rl_def] :Rl commit
| [token_def] :Token commit
| [ic_def] :IgnoreCollector commit
| [ignore_def] :Ignore commit
| [cfl_def] :Cfl commit
| [region_def] :Region commit
| [struct_def] :Struct commit
| [function_def] :Function commit
| [in_host_def] :InHost commit
| [iter_def] :Iter commit
| [export_def] :Export commit
| [pre_eof_def] :PreEof commit
| [precedence_def] :Precedence commit
| [alias_def] :Alias commit
def export_def
[EXPORT var_def opt_def_init]
def global_def
[GLOBAL var_def opt_def_init]
def iter_def
[ITER id POPEN ParamVarDefList: param_var_def_list PCLOSE
COPEN lang_stmt_list CCLOSE]
def reference_type_ref
[REF LT type_ref GT]
def param_var_def_seq
[param_var_def COMMA param_var_def_seq]
| [param_var_def]
def param_var_def_list
[param_var_def_seq]
| []
def param_var_def
[id COLON type_ref] :Type
| [id COLON reference_type_ref] :Ref
def opt_export
[EXPORT] :Export
| []
def function_def
[opt_export type_ref id
POPEN ParamVarDefList: param_var_def_list PCLOSE
COPEN lang_stmt_list CCLOSE]
def in_host_def
[opt_export type_ref id
POPEN ParamVarDefList: param_var_def_list PCLOSE
EQUALS HostFunc: id]
def struct_var_def
[var_def]
def struct_key
[STRUCT] | [CONTEXT]
def struct_def
[struct_key id ItemList: struct_item* END]
def literal_def
[LITERAL literal_list]
def literal_list
[literal_list literal_item] :Item
| [literal_item] :Base
def literal_item
[no_ignore_left backtick_lit no_ignore_right]
def no_ignore_left
[NI MINUS] :Ni
| []
def no_ignore_right
[MINUS NI] :Ni
| []
def namespace_def
[NAMESPACE id ItemList: namespace_item* END]
def namespace_item
[rl_def] :Rl commit
| [literal_def] :Literal commit
| [token_def] :Token commit
| [ic_def] :IgnoreCollector commit
| [ignore_def] :Ignore commit
| [cfl_def] :Cfl commit
| [region_def] :Region commit
| [struct_def] :Struct commit
| [namespace_def] :Namespace commit
| [function_def] :Function commit
| [in_host_def] :InHost commit
| [iter_def] :Iter commit
| [pre_eof_def] :PreEof commit
| [precedence_def] :Precedence commit
| [alias_def] :Alias commit
| [include] :Include commit
def obj_var_list
[]
def opt_reduce_first
[REDUCEFIRST]
| []
def cfl_def
[DEF id
VarDefList: var_def*
opt_reduce_first
prod_list]
def region_def
[LEX RootItemList: root_item* END]
def rl_def
[RL id LEX_FSLASH lex_expr LEX_FSLASH]
def opt_lex_expr
[lex_expr]
| []
def token_def
[TOKEN id VarDefList: var_def*
no_ignore_left
LEX_FSLASH opt_lex_expr LEX_FSLASH
no_ignore_right
opt_translate]
def ic_def
[TOKEN id MINUS]
def opt_translate
[COPEN lang_stmt_list CCLOSE] :Translate
| []
def opt_id
[id] :Id
| []
def ignore_def
[IGNORE opt_id LEX_FSLASH opt_lex_expr LEX_FSLASH]
def prod_el
[opt_prod_el_name region_qual id opt_repeat] :Id
| [opt_prod_el_name region_qual backtick_lit opt_repeat] :Lit
def opt_prod_el_name
[id COLON] :Name
| []
def prod_el_list
[prod_el_list prod_el] :List
| []
def opt_commit
[COMMIT] :Commit
| []
def opt_prod_name
[COLON id] :Name
| []
def prod
[SQOPEN prod_el_list SQCLOSE
opt_prod_name
opt_commit
opt_reduce]
def opt_reduce
[COPEN lang_stmt_list CCLOSE] :Reduce
| []
def prod_list
[prod_list BAR prod] :List
| [prod] :Base
def case_clause
[CASE pattern block_or_single]
def default_clause
[DEFAULT block_or_single]
def case_clause_list
[case_clause case_clause_list] :Recursive
| [case_clause] :BaseCase
| [default_clause] :BaseDefault
def statement
[print_stmt] :Print
| [expr_stmt] :Expr
| [var_def opt_def_init] :VarDef
| [FOR id COLON type_ref IN iter_call block_or_single] :For
| [IF code_expr block_or_single elsif_list] :If
| [SWITCH var_ref case_clause_list] :Switch
| [WHILE code_expr block_or_single] :While
| [var_ref EQUALS code_expr] :LhsVarRef
| [YIELD var_ref] :Yield
| [RETURN code_expr] :Return
| [BREAK] :Break
| [REJECT] :Reject
def elsif_list
[elsif_clause elsif_list] :Clause
| [optional_else] :OptElse
def elsif_clause
[ELSIF code_expr block_or_single]
def optional_else
[ELSE block_or_single] :Else
| []
def call_arg_seq
[code_expr COMMA call_arg_seq]
| [code_expr]
def call_arg_list
[call_arg_seq]
| []
def iter_call
[E1 var_ref POPEN call_arg_list PCLOSE] :Call
| [E2 id] :Id
| [E3 code_expr] :Expr
def block_or_single
[COPEN lang_stmt_list CCLOSE] :Block
| [statement] :Single
def require_pattern
[REQUIRE var_ref pattern]
def opt_require_stmt
[require_pattern lang_stmt_list] :Require
| [] :Base
def lang_stmt_list
[StmtList: statement* opt_require_stmt]
def opt_def_init
[EQUALS code_expr] :Init
| [] :Base
def var_def
[id COLON type_ref]
def print_stmt
[PRINT POPEN call_arg_list PCLOSE] :Tree
| [PRINTS POPEN call_arg_list PCLOSE] :PrintStream
| [PRINT_XML POPEN call_arg_list PCLOSE] :Xml
| [PRINT_XML_AC POPEN call_arg_list PCLOSE] :XmlAc
| [PRINT accumulate] :Accum
def expr_stmt
[code_expr]
def code_expr
[code_expr AMPAMP code_relational] :AmpAmp
| [code_expr BARBAR code_relational] :BarBar
| [code_relational] :Base
def code_relational
[code_relational EQEQ code_additive] :EqEq
| [code_relational NEQ code_additive] :Neq
| [code_relational LT code_additive] :Lt
| [code_relational GT code_additive] :Gt
| [code_relational LTEQ code_additive] :LtEq
| [code_relational GTEQ code_additive] :GtEq
| [code_additive] :Base
def code_additive
[code_additive PLUS code_multiplicitive] :Plus
| [code_additive MINUS code_multiplicitive] :Minus
| [code_multiplicitive] :Base
def code_multiplicitive
[code_multiplicitive STAR code_unary] :Star
| [code_multiplicitive FSLASH code_unary] :Fslash
| [code_unary] :Base
def code_unary
[BANG code_factor] :Bang
| [DOLLAR code_factor] :Dollar
| [CARET code_factor] :Caret
| [PERCENT code_factor] :Percent
| [code_factor] :Base
def opt_eos
[DOT] :Dot
| [EOS] :Eos
| []
def code_factor
[number] :Number
| [var_ref POPEN call_arg_list PCLOSE] :Call
| [var_ref] :VarRef
| [NIL] :Nil
| [TRUE] :True
| [FALSE] :False
| [POPEN code_expr PCLOSE] :Paren
| [SEND var_ref accumulate opt_eos] :Send
| [SEND_TREE var_ref accumulate opt_eos] :SendTree
| [PARSE opt_capture type_ref opt_field_init accumulate] :Parse
| [PARSE_TREE opt_capture type_ref opt_field_init accumulate] :ParseTree
| [PARSE_STOP opt_capture type_ref opt_field_init accumulate] :ParseStop
| [CONS opt_capture type_ref opt_field_init constructor] :Cons
| [MATCH var_ref pattern] :Match
| [string] :String
| [type_ref IN var_ref] :In
| [MAKE_TREE POPEN call_arg_list PCLOSE] :MakeTree
| [MAKE_TOKEN POPEN call_arg_list PCLOSE] :MakeToken
| [TYPEID LT type_ref GT] :TypeId
| [NEW opt_capture type_ref POPEN FieldInitList: field_init* PCLOSE] :New
| [CAST LT type_ref GT code_factor] :Cast
def type_ref
[region_qual id opt_repeat] :Id
| [INT] :Int
| [BOOL] :Bool
| [PARSER LT type_ref GT] :Parser
| [LIST LT type_ref GT] :List
| [MAP LT KeyType: type_ref COMMA ValType: type_ref GT] :Map
| [LIST_EL LT type_ref GT] :ListEl
| [MAP_EL LT KeyType: type_ref COMMA ValType: type_ref GT] :MapEl
def region_qual
[region_qual id DOUBLE_COLON] :Qual
| [] :Base
def opt_repeat
[STAR] :Star
| [PLUS] :Plus
| [QUESTION] :Question
| []
def opt_capture
[id COLON] :Id
| []
def opt_field_init
[POPEN FieldInitList: field_init* PCLOSE] :Init
| [] :Base
def field_init
[code_expr]
#
# Pattern
#
def opt_label
[id COLON] :Id
| []
def dq_lit_term
[CONS_DQ] | [CONS_DQ_NL]
def sq_lit_term
[CONS_SQ] | [CONS_SQ_NL]
def opt_tilde_data
[tilde_data]
| []
def pattern_el_lel
[region_qual id opt_repeat] :Id
| [region_qual backtick_lit opt_repeat] :Lit
def pattern_el
[opt_label pattern_el_lel] :PatternEl
| [DQ LitpatElList: litpat_el* dq_lit_term] :Dq
| [SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [TILDE opt_tilde_data TILDE_NL] :Tilde
def litpat_el
[dq_cons_data] :ConsData
| [CONS_SQOPEN PatternElList: pattern_el* CONS_SQCLOSE] :SubList
def pattern_top_el
[DQ LitpatElList: litpat_el* dq_lit_term] :Dq
| [SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [TILDE opt_tilde_data TILDE_NL] :Tilde
| [SQOPEN PatternElList: pattern_el* SQCLOSE] :SubList
def pattern_list
[pattern_list pattern_top_el] :List
| [pattern_top_el] :Base
def pattern
[pattern_list]
#
# Constructor List
#
def E1 []
def E2 []
def E3 []
def E4 []
def cons_el
[E1 region_qual backtick_lit] :Lit
| [E1 DQ LitConsElList: lit_cons_el* dq_lit_term] :Dq
| [E1 SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [E1 TILDE opt_tilde_data TILDE_NL] :Tilde
| [E2 code_expr] :CodeExpr
def lit_cons_el
[dq_cons_data] :ConsData
| [CONS_SQOPEN ConsElList: cons_el* CONS_SQCLOSE] :SubList
def cons_top_el
[DQ LitConsElList: lit_cons_el* dq_lit_term] :Dq
| [SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [TILDE opt_tilde_data TILDE_NL] :Tilde
| [SQOPEN ConsElList: cons_el* SQCLOSE] :SubList
def cons_list
[cons_top_el cons_list] :List
| [cons_top_el] :Base
def constructor
[cons_list]
#
# Accumulate
#
def accum_el
[E1 DQ LitAccumElList: lit_accum_el* dq_lit_term] :Dq
| [E1 SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [E1 TILDE opt_tilde_data TILDE_NL] :Tilde
| [E2 code_expr] :CodeExpr
def lit_accum_el
[dq_cons_data] :ConsData
| [CONS_SQOPEN AccumElList: accum_el* CONS_SQCLOSE] :SubList
def accum_top_el
[DQ LitAccumElList: lit_accum_el* dq_lit_term] :Dq
| [SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [TILDE opt_tilde_data TILDE_NL] :Tilde
| [SQOPEN AccumElList: accum_el* SQCLOSE] :SubList
def accum_list
[accum_top_el accum_list] :List
| [accum_top_el] :Base
def accumulate
[accum_list]
#
# String List
#
def string_el
[E1 DQ LitStringElList: lit_string_el* dq_lit_term] :Dq
| [E1 SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [E1 TILDE opt_tilde_data TILDE_NL] :Tilde
| [E2 code_expr] :CodeExpr
def lit_string_el
[dq_cons_data] :ConsData
| [CONS_SQOPEN StringElList: string_el* CONS_SQCLOSE] :SubList
def string_top_el
[DQ LitStringElList: lit_string_el* dq_lit_term] :Dq
| [SQ SqConsDataList: sq_cons_data* sq_lit_term] :Sq
| [TILDE opt_tilde_data TILDE_NL] :Tilde
| [SQOPEN StringElList: string_el* SQCLOSE] :SubList
def string_list
[string_top_el string_list] :List
| [string_top_el] :Base
def string
[string_list]
#
# Variable References
#
def var_ref
[qual id]
def qual
[qual id DOT] :Dot
| [qual id ARROW] :Arrow
| [] :Base
#
# Lexical analysis.
#
def lex_expr
[lex_expr LEX_BAR lex_term] :Bar
| [lex_expr LEX_AMP lex_term] :Amp
| [lex_expr LEX_DASH lex_term] :Dash
| [lex_expr LEX_DASHDASH lex_term] :DashDash
| [lex_term] :Base
def opt_lex_dot
[LEX_DOT]
| []
def lex_term
[lex_term opt_lex_dot lex_factor_rep] :Dot
| [lex_term LEX_COLON_GT lex_factor_rep] :ColonGt
| [lex_term LEX_COLON_GTGT lex_factor_rep] :ColonGtGt
| [lex_term LEX_LT_COLON lex_factor_rep] :LtColon
| [lex_factor_rep] :Base
def lex_factor_rep
[lex_factor_rep LEX_STAR] :Star
| [lex_factor_rep LEX_STARSTAR] :StarStar
| [lex_factor_rep LEX_PLUS] :Plus
| [lex_factor_rep LEX_QUESTION] :Question
| [lex_factor_rep COPEN lex_uint CCLOSE ] :Exact
| [lex_factor_rep COPEN COMMA lex_uint CCLOSE ] :Max
| [lex_factor_rep COPEN lex_uint COMMA CCLOSE ] :Min
| [lex_factor_rep COPEN Low: lex_uint COMMA High: lex_uint CCLOSE ] :Range
| [lex_factor_neg] :Base
def lex_factor_neg
[LEX_CARET lex_factor_neg] :Caret
| [lex_factor] :Base
def lex_range_lit
[lex_lit] :Lit
| [lex_num] :Number
def lex_num
[lex_uint]
| [lex_hex]
#| [LEX_DASH num]
def lex_factor
[lex_lit] :Literal
| [lex_id] :Id
| [lex_uint] :Number
| [lex_hex] :Hex
| [Low: lex_range_lit LEX_DOTDOT High: lex_range_lit] :Range
| [LEX_SQOPEN_POS reg_or_data RE_SQCLOSE] :PosOrBlock
| [LEX_SQOPEN_NEG reg_or_data RE_SQCLOSE] :NegOrBlock
| [LEX_POPEN lex_expr LEX_PCLOSE] :Paren
def reg_or_data
[reg_or_data reg_or_char] :Data
| [] :Base
def reg_or_char
[RE_CHAR] :Char
| [Low: RE_CHAR RE_DASH High: RE_CHAR] :Range
|
