1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/* 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [The "BSD license"] 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver Copyright (c) 2005-2006 Terence Parr 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver All rights reserved. 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver Redistribution and use in source and binary forms, with or without 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver modification, are permitted provided that the following conditions 8324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver are met: 9324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 1. Redistributions of source code must retain the above copyright 10324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver notice, this list of conditions and the following disclaimer. 11324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 2. Redistributions in binary form must reproduce the above copyright 12324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver notice, this list of conditions and the following disclaimer in the 13324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver documentation and/or other materials provided with the distribution. 14324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 3. The name of the author may not be used to endorse or promote products 15324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver derived from this software without specific prior written permission. 16324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 17324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver*/ 28324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Template subgroup to add template rewrite output 29324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * If debugging, then you'll also get STDbg.stg loaded. 30324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 31324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 32324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@outputFile.imports() ::= << 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<@super.imports()> 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverimport stringtemplate3 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Add this to each rule's return value struct */ 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@returnScope.ruleReturnInit() ::= << 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.st = None 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@returnScope.ruleReturnMembers() ::= << 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverdef getTemplate(self): 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return self.st 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverdef toString(self): 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if self.st is not None: 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return self.st.toString() 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return None 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver__str__ = toString 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@genericParser.init() ::= << 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<@super.init()> 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.templateLib = stringtemplate3.StringTemplateGroup( 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver '<name>Templates', lexer='angle-bracket' 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ) 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver@genericParser.members() ::= << 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<@super.members()> 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverdef setTemplateLib(self, templateLib): 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver self.templateLib = templateLib 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 67324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverdef getTemplateLib(self): 68324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return self.templateLib 69324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 70324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 71324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 72324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** x+=rule when output=template */ 73324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverruleRefAndListLabel(rule,label,elementIndex,args,scope) ::= << 74324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<ruleRef(...)> 75324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<listLabel(label, {<label>.st})> 76324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 77324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 78324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteTemplate(alts) ::= << 79324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver# TEMPLATE REWRITE 80324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<if(backtracking)> 81324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverif <actions.(actionScope).synpredgate>: 82324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver <first(alts):rewriteTemplateAltFirst()> 83324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver <rest(alts):{it | el<rewriteTemplateAlt(it)>}> 84324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver <if(rewriteMode)><replaceTextInLine()><endif> 85324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 86324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<else> 87324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<first(alts):rewriteTemplateAltFirst()> 88324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<rest(alts):{it | el<rewriteTemplateAlt(it)>}> 89324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<if(rewriteMode)><replaceTextInLine()><endif> 90324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<endif> 91324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 92324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 93324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverreplaceTextInLine() ::= << 94324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<if(TREE_PARSER)> 95324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.input.getTokenStream().replace( 96324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver self.input.getTreeAdaptor().getTokenStartIndex(retval.start), 97324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver self.input.getTreeAdaptor().getTokenStopIndex(retval.start), 98324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.st 99324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ) 100324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<else> 101324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.input.replace( 102324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.start.getTokenIndex(), 103324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver self.input.LT(-1).getTokenIndex(), 104324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.st 105324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver ) 106324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<endif> 107324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 108324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 109324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteTemplateAltFirst(alt) ::= << 110324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<if(alt.pred)> 111324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverif <alt.pred>: 112324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver # <alt.description> 113324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.st = <alt.alt> 114324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<\n> 115324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<else> 116324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver# <alt.description> 117324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverretval.st = <alt.alt> 118324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<\n> 119324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<endif> 120324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 121324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 122324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteTemplateAlt(alt) ::= << 123324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<if(alt.pred)>if <alt.pred>: 124324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver # <alt.description> 125324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.st = <alt.alt> 126324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<\n> 127324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<else>se: 128324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver # <alt.description> 129324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver retval.st = <alt.alt> 130324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<\n> 131324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<endif> 132324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 133324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 134324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteEmptyTemplate(alts) ::= << 135324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverNone 136324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 137324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 138324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Invoke a template with a set of attribute name/value pairs. 139324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Set the value of the rule's template *after* having set 140324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * the attributes because the rule's template might be used as 141324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * an attribute to build a bigger template; you get a self-embedded 142324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * template. 143324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 144324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteExternalTemplate(name,args) ::= <% 145324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.templateLib.getInstanceOf("<name>"<if(args)>, attributes={<args:{a | "<a.name>": <a.value>}; separator=", ">}<endif>) 146324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver%> 147324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 148324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** expr is a string expression that says what template to load */ 149324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteIndirectTemplate(expr,args) ::= <% 150324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverself.templateLib.getInstanceOf(<expr><if(args)>, attributes={<args:{a | "<a.name>": <a.value>}; separator=", ">}<endif>) 151324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver%> 152324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 153324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Invoke an inline template with a set of attribute name/value pairs */ 154324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteInlineTemplate(args, template) ::= <% 155324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverstringtemplate3.StringTemplate("<template>", group=self.templateLib<if(args)>, attributes={<args:{a | "<a.name>": <a.value>}; separator=", ">}<endif>) 156324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver%> 157324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 158324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** plain -> {foo} action */ 159324c4644fee44b9898524c09511bd33c3f12e2dfBen GruverrewriteAction(action) ::= << 160324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver<action> 161324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 162324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 163324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** An action has %st.attrName=expr; or %{st}.attrName=expr; */ 164324c4644fee44b9898524c09511bd33c3f12e2dfBen GruveractionSetAttribute(st,attrName,expr) ::= << 165324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver(<st>)["<attrName>"] = <expr> 166324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 167324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 168324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/** Translate %{stringExpr} */ 169324c4644fee44b9898524c09511bd33c3f12e2dfBen GruveractionStringConstructor(stringExpr) ::= << 170324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverstringtemplate3.StringTemplate(<stringExpr>, group=self.templateLib) 171324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver>> 172