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Fix grammar errors

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Patch by: Chris Tweedie <cltweedie@gmail.com> (@cltweedie)
Signed-off-by: Akira Matsuda <ronnie@dio.jp>

closes #1074

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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a_matsuda 2016-11-08 19:55:59 +00:00
parent f12003d372
commit d0a6339903
1 changed files with 12 additions and 12 deletions
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24
lib/racc/rdoc/grammar.en.rdoc
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@ -4,12 +4,12 @@
== Class Block and User Code Block
There are two blocks on toplevel. One is 'class' block, another is 'user code'
block. 'user code' block MUST be placed after 'class' block.
There are two blocks on the toplevel. One is the 'class' block, the other is the 'user code'
block. The 'user code' block MUST be placed after the 'class' block.
== Comments
You can insert comments about all places. Two style comments can be used, Ruby style '#.....' and C style '/\*......*\/'.
You can insert comments about all places. Two styles of comments can be used, Ruby style '#.....' and C style '/\*......*\/'.
== Class Block
@ -25,11 +25,11 @@ The class block is formed like this:
rule
GRAMMARS
CLASS_NAME is a name of parser class. This is the name of generating parser
CLASS_NAME is a name of the parser class. This is the name of the generating parser
class.
If CLASS_NAME includes '::', Racc outputs module clause. For example, writing
"class M::C" causes creating the code below:
If CLASS_NAME includes '::', Racc outputs the module clause. For example, writing
"class M::C" causes the code below to be created:
module M
class C
@ -40,7 +40,7 @@ If CLASS_NAME includes '::', Racc outputs module clause. For example, writing
== Grammar Block
The grammar block describes grammar which is able to be understood by parser.
The grammar block describes grammar which is able to be understood by the parser.
Syntax is:
(token): (token) (token) (token).... (action)
@ -59,10 +59,10 @@ Note that you cannot use '%' string, here document, '%r' regexp in action.
Actions can be omitted. When it is omitted, '' (empty string) is used.
A return value of action is a value of left side value ($$). It is value of
result, or returned value by `return` statement.
A return value of action is a value of the left side value ($$). It is the value of the
result, or the returned value by `return` statement.
Here is an example of whole grammar block.
Here is an example of the whole grammar block.
rule
goal: definition rules source { result = val }
@ -81,11 +81,11 @@ You can use the following special local variables in action:
* result ($$)
The value of left-hand side (lhs). A default value is val[0].
The value of the left-hand side (lhs). A default value is val[0].
* val ($1,$2,$3...)
An array of value of right-hand side (rhs).
An array of value of the right-hand side (rhs).
* _values (...$-2,$-1,$0)