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BC
public
belr
Commits
d6746cb5
Commit
d6746cb5
authored
Jan 08, 2015
by
Simon Morlat
Browse files
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work in progress
parent
869290ac
Changes
5
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5 changed files
with
179 additions
and
4 deletions
+179
-4
abnf.cc
src/abnf.cc
+20
-3
abnf.hh
src/abnf.hh
+3
-0
grammarbuilder.cc
src/grammarbuilder.cc
+112
-0
grammarbuilder.hh
src/grammarbuilder.hh
+40
-1
parser.hh
src/parser.hh
+4
-0
No files found.
src/abnf.cc
View file @
d6746cb5
...
...
@@ -136,6 +136,9 @@ ABNFGrammar::ABNFGrammar(): Grammar("ABNF"){
c_nl
();
c_wsp
();
rulename
();
repeat_count
();
repeat_max
();
repeat_min
();
repeat
();
defined_as
();
rulelist
();
...
...
@@ -193,21 +196,35 @@ void ABNFGrammar::rulename(){
);
}
void
ABNFGrammar
::
repeat_count
(){
addRule
(
"repeat-count"
,
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
),
1
));
}
void
ABNFGrammar
::
repeat_max
(){
addRule
(
"repeat-max"
,
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
)));
}
void
ABNFGrammar
::
repeat_min
(){
addRule
(
"repeat-min"
,
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
)));
}
/* 1*DIGIT / (*DIGIT "*" *DIGIT) */
void
ABNFGrammar
::
repeat
(){
addRule
(
"repeat"
,
Foundation
::
selector
()
->
addRecognizer
(
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
),
1
)
getRule
(
"repeat-count"
)
)
->
addRecognizer
(
Foundation
::
sequence
()
->
addRecognizer
(
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
)
)
getRule
(
"repeat-min"
)
)
->
addRecognizer
(
Foundation
::
charRecognizer
(
'*'
)
)
->
addRecognizer
(
Foundation
::
loop
()
->
setRecognizer
(
getRule
(
"digit"
)
)
getRule
(
"repeat-max"
)
)
)
);
...
...
src/abnf.hh
View file @
d6746cb5
...
...
@@ -40,6 +40,9 @@ private:
void
c_wsp
();
void
rulename
();
void
repeat
();
void
repeat_min
();
void
repeat_max
();
void
repeat_count
();
void
defined_as
();
void
rulelist
();
void
rule
();
...
...
src/grammarbuilder.cc
View file @
d6746cb5
...
...
@@ -16,14 +16,109 @@ namespace belr{
ABNFBuilder
::~
ABNFBuilder
(){
}
shared_ptr
<
ABNFGroup
>
ABNFGroup
::
create
(){
return
make_shared
<
ABNFGroup
>
();
}
shared_ptr
<
Recognizer
>
ABNFGroup
::
buildRecognizer
(
const
shared_ptr
<
Grammar
>&
grammar
){
return
mAlternation
->
buildRecognizer
(
grammar
);
}
void
ABNFGroup
::
setAlternation
(
const
shared_ptr
<
ABNFAlternation
>&
a
){
mAlternation
=
a
;
}
shared_ptr
<
Recognizer
>
ABNFElement
::
buildRecognizer
(
const
shared_ptr
<
Grammar
>&
grammar
){
if
(
mRulename
.
empty
())
return
mElement
->
buildRecognizer
(
grammar
);
else
return
grammar
->
getRule
(
mRulename
);
}
shared_ptr
<
ABNFElement
>
ABNFElement
::
create
(){
return
make_shared
<
ABNFElement
>
();
}
void
ABNFElement
::
setElement
(
const
shared_ptr
<
ABNFBuilder
>&
e
){
mElement
=
e
;
}
void
ABNFElement
::
setRulename
(
const
string
&
rulename
){
mRulename
=
rulename
;
}
shared_ptr
<
ABNFRepetition
>
ABNFRepetition
::
create
(){
return
make_shared
<
ABNFRepetition
>
();
}
void
ABNFRepetition
::
setCount
(
int
count
){
mCount
=
count
;
}
void
ABNFRepetition
::
setMin
(
int
min
){
mMin
=
min
;
}
void
ABNFRepetition
::
setMax
(
int
max
){
mMax
=
max
;
}
void
ABNFRepetition
::
setRepeat
(
const
string
&
r
){
mRepeat
=
r
;
}
shared_ptr
<
Recognizer
>
ABNFRepetition
::
buildRecognizer
(
const
shared_ptr
<
Grammar
>&
grammar
){
if
(
mRepeat
.
empty
())
return
mElement
->
buildRecognizer
(
grammar
);
cout
<<
"Building repetition recognizer with count="
<<
mCount
<<
" min="
<<
mMin
<<
" max="
<<
mMax
<<
endl
;
if
(
mCount
!=-
1
){
return
Foundation
::
loop
()
->
setRecognizer
(
mElement
->
buildRecognizer
(
grammar
),
mCount
,
mCount
);
}
else
{
return
Foundation
::
loop
()
->
setRecognizer
(
mElement
->
buildRecognizer
(
grammar
),
mMin
,
mMax
);
}
}
ABNFRepetition
::
ABNFRepetition
(){
mMin
=
0
;
mMax
=-
1
;
mCount
=-
1
;
}
void
ABNFRepetition
::
setElement
(
const
shared_ptr
<
ABNFElement
>&
e
){
mElement
=
e
;
}
shared_ptr
<
ABNFConcatenation
>
ABNFConcatenation
::
create
(){
return
make_shared
<
ABNFConcatenation
>
();
}
shared_ptr
<
Recognizer
>
ABNFConcatenation
::
buildRecognizer
(
const
shared_ptr
<
Grammar
>
&
grammar
){
if
(
mRepetitions
.
size
()
==
0
){
cerr
<<
"No repetitions set !"
<<
endl
;
abort
();
}
if
(
mRepetitions
.
size
()
==
1
){
return
mRepetitions
.
front
()
->
buildRecognizer
(
grammar
);
}
else
{
auto
seq
=
Foundation
::
sequence
();
for
(
auto
it
=
mRepetitions
.
begin
();
it
!=
mRepetitions
.
end
();
++
it
){
seq
->
addRecognizer
((
*
it
)
->
buildRecognizer
(
grammar
));
}
return
seq
;
}
return
NULL
;
}
void
ABNFConcatenation
::
addRepetition
(
const
shared_ptr
<
ABNFRepetition
>&
r
){
mRepetitions
.
push_back
(
r
);
}
shared_ptr
<
ABNFAlternation
>
ABNFAlternation
::
create
(){
return
make_shared
<
ABNFAlternation
>
();
}
...
...
@@ -109,6 +204,23 @@ ABNFGrammarBuilder::ABNFGrammarBuilder()
->
setCollector
(
"alternation"
,
make_sfn
(
&
ABNFRule
::
setAlternation
));
mParser
.
setHandler
(
"alternation"
,
make_fn
(
&
ABNFAlternation
::
create
))
->
setCollector
(
"concatenation"
,
make_sfn
(
&
ABNFAlternation
::
addConcatenation
));
mParser
.
setHandler
(
"concatenation"
,
make_fn
(
&
ABNFConcatenation
::
create
))
->
setCollector
(
"repetition"
,
make_sfn
(
&
ABNFConcatenation
::
addRepetition
));
mParser
.
setHandler
(
"repetition"
,
make_fn
(
&
ABNFRepetition
::
create
))
->
setCollector
(
"repeat"
,
make_sfn
(
&
ABNFRepetition
::
setRepeat
))
->
setCollector
(
"repeat-min"
,
make_sfn
(
&
ABNFRepetition
::
setMin
))
->
setCollector
(
"repeat-max"
,
make_sfn
(
&
ABNFRepetition
::
setMax
))
->
setCollector
(
"repeat-count"
,
make_sfn
(
&
ABNFRepetition
::
setCount
))
->
setCollector
(
"element"
,
make_sfn
(
&
ABNFRepetition
::
setElement
));
mParser
.
setHandler
(
"element"
,
make_fn
(
&
ABNFElement
::
create
))
->
setCollector
(
"rulename"
,
make_sfn
(
&
ABNFElement
::
setRulename
))
->
setCollector
(
"group"
,
make_sfn
(
&
ABNFElement
::
setElement
))
->
setCollector
(
"option"
,
make_sfn
(
&
ABNFElement
::
setElement
))
->
setCollector
(
"char-val"
,
make_sfn
(
&
ABNFElement
::
setElement
))
->
setCollector
(
"num-val"
,
make_sfn
(
&
ABNFElement
::
setElement
))
->
setCollector
(
"prose-val"
,
make_sfn
(
&
ABNFElement
::
setElement
));
mParser
.
setHandler
(
"group"
,
make_fn
(
&
ABNFGroup
::
create
))
->
setCollector
(
"alternation"
,
make_sfn
(
&
ABNFGroup
::
setAlternation
));
}
shared_ptr
<
Grammar
>
ABNFGrammarBuilder
::
createFromAbnf
(
const
string
&
path
){
...
...
src/grammarbuilder.hh
View file @
d6746cb5
...
...
@@ -40,10 +40,49 @@ private:
list
<
shared_ptr
<
ABNFRule
>>
mRules
;
};
class
ABNFElement
:
public
ABNFBuilder
{
public
:
static
shared_ptr
<
ABNFElement
>
create
();
shared_ptr
<
Recognizer
>
buildRecognizer
(
const
shared_ptr
<
Grammar
>
&
grammar
);
void
setElement
(
const
shared_ptr
<
ABNFBuilder
>
&
e
);
void
setRulename
(
const
string
&
rulename
);
private
:
shared_ptr
<
ABNFBuilder
>
mElement
;
string
mRulename
;
};
class
ABNFGroup
:
public
ABNFBuilder
{
public
:
static
shared_ptr
<
ABNFGroup
>
create
();
shared_ptr
<
Recognizer
>
buildRecognizer
(
const
shared_ptr
<
Grammar
>
&
grammar
);
void
setAlternation
(
const
shared_ptr
<
ABNFAlternation
>
&
a
);
private
:
shared_ptr
<
ABNFAlternation
>
mAlternation
;
};
class
ABNFRepetition
:
public
ABNFBuilder
{
public
:
ABNFRepetition
();
static
shared_ptr
<
ABNFRepetition
>
create
();
void
setRepeat
(
const
string
&
r
);
void
setMin
(
int
min
);
void
setMax
(
int
max
);
void
setCount
(
int
count
);
void
setElement
(
const
shared_ptr
<
ABNFElement
>
&
e
);
shared_ptr
<
Recognizer
>
buildRecognizer
(
const
shared_ptr
<
Grammar
>
&
grammar
);
private
:
int
mMin
,
mMax
,
mCount
;
string
mRepeat
;
shared_ptr
<
ABNFElement
>
mElement
;
};
class
ABNFConcatenation
:
public
ABNFBuilder
{
public
:
shared_ptr
<
ABNFConcatenation
>
create
();
s
tatic
s
hared_ptr
<
ABNFConcatenation
>
create
();
shared_ptr
<
Recognizer
>
buildRecognizer
(
const
shared_ptr
<
Grammar
>
&
grammar
);
void
addRepetition
(
const
shared_ptr
<
ABNFRepetition
>
&
r
);
private
:
list
<
shared_ptr
<
ABNFRepetition
>>
mRepetitions
;
};
class
ABNFAlternation
:
public
ABNFBuilder
{
...
...
src/parser.hh
View file @
d6746cb5
...
...
@@ -65,6 +65,10 @@ public:
this
->
mCollectors
[
child_rule_name
]
=
make_shared
<
ParserCollector
<
_derivedParserElementT
,
_parserElementT
,
const
string
&>>
(
fn
);
return
static_pointer_cast
<
ParserHandler
<
_derivedParserElementT
,
_parserElementT
>>
(
this
->
shared_from_this
());
}
shared_ptr
<
ParserHandler
<
_derivedParserElementT
,
_parserElementT
>>
setCollector
(
const
string
&
child_rule_name
,
function
<
void
(
_derivedParserElementT
,
int
)
>
fn
){
this
->
mCollectors
[
child_rule_name
]
=
make_shared
<
ParserCollector
<
_derivedParserElementT
,
_parserElementT
,
int
>>
(
fn
);
return
static_pointer_cast
<
ParserHandler
<
_derivedParserElementT
,
_parserElementT
>>
(
this
->
shared_from_this
());
}
template
<
typename
_valueT
>
shared_ptr
<
ParserHandler
<
_derivedParserElementT
,
_parserElementT
>>
setCollector
(
const
string
&
child_rule_name
,
function
<
void
(
_derivedParserElementT
,
_valueT
)
>
fn
){
this
->
mCollectors
[
child_rule_name
]
=
make_shared
<
ParserChildCollector
<
_derivedParserElementT
,
_parserElementT
,
_valueT
>>
(
fn
);
...
...
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