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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
This commit is contained in:
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 == Class Block and User Code Block
There are two blocks on toplevel. One is 'class' block, another is 'user code' There are two blocks on the toplevel. One is the 'class' block, the other is the 'user code'
block. 'user code' block MUST be placed after 'class' block. block. The 'user code' block MUST be placed after the 'class' block.
== Comments == 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 == Class Block
@ -25,11 +25,11 @@ The class block is formed like this:
rule rule
GRAMMARS 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. class.
If CLASS_NAME includes '::', Racc outputs module clause. For example, writing If CLASS_NAME includes '::', Racc outputs the module clause. For example, writing
"class M::C" causes creating the code below: "class M::C" causes the code below to be created:
module M module M
class C class C
@ -40,7 +40,7 @@ If CLASS_NAME includes '::', Racc outputs module clause. For example, writing
== Grammar Block == 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: Syntax is:
(token): (token) (token) (token).... (action) (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. Actions can be omitted. When it is omitted, '' (empty string) is used.
A return value of action is a value of left side value ($$). It is value of A return value of action is a value of the left side value ($$). It is the value of the
result, or returned value by `return` statement. 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 rule
goal: definition rules source { result = val } goal: definition rules source { result = val }
@ -81,11 +81,11 @@ You can use the following special local variables in action:
* result ($$) * result ($$)
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...) * 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,$0) * _values (...$-2,$-1,$0)