Class EBNFParser
Represents EBNF Parser Generator Object
Defined in: generator03.js.
| Constructor Attributes | Constructor Name and Description |
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EBNFParser(syntax, gapFree, name, ver, ignoreCase)
EBNF Parser Generator Object
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| Field Attributes | Field Name and Description |
|---|---|
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syntax buffer
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array of gap free id
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true if ignore case
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name of the parser
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syntax buffer pointer
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version of the parser
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| Method Attributes | Method Name and Description |
|---|---|
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alternative = sequence, {'|', sequence}.
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character = symbol | letter | digit.
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group()
group = '(', alternative, ')'.
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id()
id = letter, {letter | digit}.
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idl()
idl = letter, {letter | digit}.
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letter()
letter = lower | upper.
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option()
option = '[', alternative, ']'.
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primary()
primary = terminal | id | repeat | option | group.
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repeat()
repeat = '{', alternative, '}'.
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rule()
rule = idl, '=', alternative, '.
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run(n, match, parser)
Parser Runner (Generator) for EBNF Syntax
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sequence()
sequence = term, {',', term}.
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symbol()
symbol = '=' | ',' | '.
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syntax()
syntax = rule, {rule}.
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term()
term = primary.
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terminal()
terminal = sq, character, {character}, sq.
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Class Detail
EBNFParser(syntax, gapFree, name, ver, ignoreCase)
EBNF Parser Generator Object
- Parameters:
- {String} syntax
- syntax object for generate parser
- {Object} gapFree
- array of gap free id
- {String} name
- name of the parser
- {String} ver
- version of the parser
- {Boolean} ignoreCase
- true if ignore case (optional)
- Since:
- 0.2
Field Detail
{String}
buf
syntax buffer
{Object}
gapFree
array of gap free id
{Boolean}
ignoreCase
true if ignore case
{String}
name
name of the parser
{Integer}
ptr
syntax buffer pointer
{String}
ver
version of the parser
Method Detail
{String}
alternative()
alternative = sequence, {'|', sequence}.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
character()
character = symbol | letter | digit.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
group()
group = '(', alternative, ')'.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
id()
id = letter, {letter | digit}.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
idl()
idl = letter, {letter | digit}.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
letter()
letter = lower | upper.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
option()
option = '[', alternative, ']'.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
primary()
primary = terminal | id | repeat | option | group.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
repeat()
repeat = '{', alternative, '}'.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
rule()
rule = idl, '=', alternative, '.'.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
run(n, match, parser)
Parser Runner (Generator) for EBNF Syntax
- Parameters:
- {String} n
- number of match
- {Object} match
- array of parsed result
- {String} parser
- caller method name
- Since:
- 0.2
- Returns:
- {String} generated code
{String}
sequence()
sequence = term, {',', term}.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
symbol()
symbol = '=' | ',' | '.' | '|' | '+' | '-' | '*' | '/' |
'[' | ']' | '{' | '}' | '(' | ')'.
- Since:
- 0.3
- Returns:
- {String} code generated if matched, null if not matched
{String}
syntax()
syntax = rule, {rule}.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
term()
term = primary.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched
{String}
terminal()
terminal = sq, character, {character}, sq.
- Since:
- 0.2
- Returns:
- {String} code generated if matched, null if not matched