mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
synced 2024-07-17 10:55:32 +02:00
130 lines
4.5 KiB
Plaintext
130 lines
4.5 KiB
Plaintext
/*
|
|
[The "BSD licence"]
|
|
Copyright (c) 2007 Kay Roepke
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. The name of the author may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
group ASTTreeParser;
|
|
|
|
/** match ^(root children) in tree parser; override here to
|
|
* add tree construction actions.
|
|
*/
|
|
tree(root, actionsAfterRoot, children, nullableChildList,
|
|
enclosingTreeLevel, treeLevel) ::= <<
|
|
{
|
|
<ASTLabelType> root_<treeLevel> = [treeAdapator newEmptyTree];
|
|
<root:element()>
|
|
<actionsAfterRoot:element()>
|
|
<if(nullableChildList)>
|
|
if ( [input LA:1] == ANTLRTokenTypeDOWN ) {
|
|
[self match:input tokenType:ANTLRTokenTypeDOWN follow:nil]; <checkRuleBacktrackFailure()>
|
|
<children:element()>
|
|
[self match:input tokenType:ANTLRTokenTypeUP follow:nil]; <checkRuleBacktrackFailure()>
|
|
}
|
|
<else>
|
|
[self match:input tokenType:ANTLRTokenTypeDOWN follow:nil]; <checkRuleBacktrackFailure()>
|
|
<children:element()>
|
|
[self match:input tokenType:ANTLRTokenTypeUP follow:nil]; <checkRuleBacktrackFailure()>
|
|
<endif>
|
|
[root_<treeLevel> release];
|
|
}<\n>
|
|
>>
|
|
|
|
/** What to emit when there is no rewrite. For auto build
|
|
* mode, does nothing.
|
|
*/
|
|
noRewrite(rewriteBlockLevel, treeLevel) ::= <<
|
|
<if(rewriteMode)>retval.tree = (<ASTLabelType>)retval.start;<endif>
|
|
>>
|
|
|
|
// TOKEN AST STUFF
|
|
|
|
/** ID auto construct */
|
|
tokenRef(token,label,elementIndex) ::= <<
|
|
<super.tokenRef(...)>
|
|
<if(backtracking)>if ( state.backtracking==0 ) {<endif>
|
|
<label>_tree = (<ASTLabelType>)adaptor.dupNode(<label>);
|
|
adaptor.addChild(root_<treeLevel>, <label>_tree);
|
|
<if(backtracking)>}<endif>
|
|
>>
|
|
|
|
/** label+=TOKEN auto construct */
|
|
tokenRefAndListLabel(token,label,elementIndex) ::= <<
|
|
<tokenRef(...)>
|
|
<listLabel(elem=label,...)>
|
|
>>
|
|
|
|
/** ^(ID ...) auto construct */
|
|
tokenRefRuleRoot(token,label,elementIndex) ::= <<
|
|
<super.tokenRef(...)>
|
|
<if(backtracking)>if ( state.backtracking==0 ) {<endif>
|
|
<label>_tree = (<ASTLabelType>)adaptor.dupNode(<label>);
|
|
root_<treeLevel> = (<ASTLabelType>)adaptor.becomeRoot(<label>_tree, root_<treeLevel>);
|
|
<if(backtracking)>}<endif>
|
|
>>
|
|
|
|
/** Match ^(label+=TOKEN ...) auto construct */
|
|
tokenRefRuleRootAndListLabel(token,label,elementIndex) ::= <<
|
|
<tokenRefRuleRoot(...)>
|
|
<listLabel(elem=label,...)>
|
|
>>
|
|
|
|
// RULE REF AST
|
|
|
|
/** rule auto construct */
|
|
ruleRef(rule,label,elementIndex,args,scope) ::= <<
|
|
<super.ruleRef(...)>
|
|
<if(backtracking)>if ( state.backtracking==0 ) <endif>adaptor.addChild(root_<treeLevel>, <label>.getTree());
|
|
>>
|
|
|
|
/** x+=rule auto construct */
|
|
ruleRefAndListLabel(rule,label,elementIndex,args,scope) ::= <<
|
|
<ruleRef(...)>
|
|
<listLabel(elem=label+".getTree()",...)>
|
|
>>
|
|
|
|
/** ^(rule ...) auto construct */
|
|
ruleRefRuleRoot(rule,label,elementIndex,args,scope) ::= <<
|
|
<super.ruleRef(...)>
|
|
<if(backtracking)>if ( state.backtracking==0 ) <endif>root_<treeLevel> = (<ASTLabelType>)adaptor.becomeRoot(<label>.getTree(), root_<treeLevel>);
|
|
>>
|
|
|
|
/** ^(x+=rule ...) auto construct */
|
|
ruleRefRuleRootAndListLabel(rule,label,elementIndex,args,scope) ::= <<
|
|
<ruleRefRuleRoot(...)>
|
|
<listLabel(elem=label+".getTree()",...)>
|
|
>>
|
|
|
|
/** Streams for token refs are tree nodes now; override to
|
|
* change nextToken to nextNode.
|
|
*/
|
|
createRewriteNodeFromElement(token,hetero,scope) ::= <<
|
|
#error Heterogeneous tree support not implemented.
|
|
<if(hetero)>
|
|
new <hetero>(stream_<token>.nextNode())
|
|
<else>
|
|
stream_<token>.nextNode()
|
|
<endif>
|
|
>>
|