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|
/* This file is part of mhmake.
*
* Copyright (C) 2001-2010 marha@sourceforge.net
*
* Mhmake is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mhmake is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Mhmake. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Rev$ */
/* -------------- declaration section -------------- */
%name mhmakeparser
%define LLOC m_yyloc
%define LTYPE int // This is the type of LLOC (defined in mhmakefileparser)
%define LVAL m_theTokenValue
%define STYPE TOKENVALUE // This is the type of LVAL (defined in mhmakefileparser)
%define INHERIT : public mhmakefileparser
%define CONSTRUCTOR_PARAM const map<string,string> &CommandLineVariables
%define CONSTRUCTOR_INIT : mhmakefileparser(CommandLineVariables)
%header{
#include "mhmakefileparser.h"
#include "rule.h"
#include "util.h"
%}
%token <theString> COMMAND
%token <theString> COMMA OPENBRACE CLOSEBRACE
%token <theString> STRING DOLLAREXPR EQUAL COLON DOUBLECOLON VARDEF VARVAL
%token IMEQUAL PEQUAL OPTEQUAL PHONY AUTODEPS EXPORT NEWLINE INCLUDEMAK SPACE VPATH
%type <theString> expression nonspaceexpression simpleexpression
%type <theString> maybeemptyexpression
%type <theString> expression_nocolorequal simpleexpression_nocolorequal nonspaceexpression_nocolorequal
%type <ival> rulecolon
%start file
/* -------------- rules section -------------- */
/* Sample parser. Does count Chars in a line, and lines in file */
%%
file : statements
{
if (m_pCurrentItems)
{
PRINTF(("Adding rule : %s\n",(*m_pCurrentItems)[0]->GetQuotedFullFileName().c_str()));
AddRule();
}
}
;
statements :
| statements statement
;
statement: NEWLINE |
SPACE |
includemak |
ruledef |
phonyrule |
autodepsrule |
varassignment |
imvarassignment |
pvarassignment |
optvarassignment |
exportrule |
vpathrule |
COMMAND
{
if (!m_pCurrentRule)
{
m_pCurrentRule=refptr<rule>(new rule(this));
}
m_pCurrentRule->AddCommand($1);
PRINTF(("Adding command : %s\n",$1.c_str()));
}
;
includemak:
{
if (m_pCurrentItems)
{
PRINTF(("Adding rule : %s\n",(*m_pCurrentItems)[0]->GetQuotedFullFileName().c_str()));
AddRule();
}
} INCLUDEMAK
;
ruledef: expression_nocolorequal rulecolon maybeemptyexpression
{
if (m_pCurrentItems)
{
PRINTF(("Adding rule : %s\n",(*m_pCurrentItems)[0]->GetQuotedFullFileName().c_str()));
AddRule();
}
m_pCurrentItems=new fileinfoarray;
m_pCurrentDeps=new fileinfoarray;
#ifdef _DEBUG
if (!ExpandExpression($1).size())
{
throw string("Empty left hand side in rule: ") + $1 + " : " + $3;
}
#endif
SplitToItems(ExpandExpression($1),*m_pCurrentItems);
SplitToItems(ExpandExpression($3),*m_pCurrentDeps);
m_DoubleColonRule= ($2==1) ;
PRINTF(("Defining rule %s : %s\n",$1.c_str(),$3.c_str()));
PRINTF((" Expanded to %s : %s\n",ExpandExpression($1).c_str(),ExpandExpression($3).c_str()));
}
;
rulecolon: COLON {$$=0;} |
DOUBLECOLON {$$=1;}
;
phonyrule: PHONY COLON expression
{
vector<fileinfo*> Items;
SplitToItems(ExpandExpression($3),Items);
vector<fileinfo*>::iterator pIt=Items.begin();
while (pIt!=Items.end())
{
(*pIt)->SetPhony();
pIt++;
}
PRINTF(("Defining phony rule : %s\n",$3.c_str()));
PRINTF((" Expanded to : %s\n",ExpandExpression($3).c_str()));
}
NEWLINE
;
autodepsrule: AUTODEPS COLON expression
{
vector<fileinfo*> Items;
SplitToItems(ExpandExpression($3),Items);
vector<fileinfo*>::iterator pIt=Items.begin();
while (pIt!=Items.end())
{
(*pIt)->SetAutoDepsScan(this);
pIt++;
}
PRINTF(("Defining autodeps rule : %s\n",$3.c_str()));
PRINTF((" Expanded to : %s\n",ExpandExpression($3).c_str()));
}
NEWLINE
;
exportrule: EXPORT SPACE exportstrings NEWLINE
;
exportstrings : exportstring |
exportstring SPACE exportstrings
;
exportstring : STRING
{
SetExport($1,ExpandExpression(ExpandVar($1)));
PRINTF(("Exporting %s : %s\n",$1.c_str(),ExpandExpression(ExpandVar($1)).c_str()));
}
;
vpathrule: VPATH SPACE nonspaceexpression SPACE expression NEWLINE
{
SetvPath(ExpandExpression($3),ExpandExpression($5));
PRINTF(("Setting vpath %s to %s\n",$3.c_str(),ExpandExpression($5).c_str()));
}
;
varassignment: VARDEF VARVAL
{
m_Variables[f_strip($1)]=$2;
PRINTF(("Defining variable %s to %s\n",f_strip($1).c_str(), $2.c_str()));
}
| STRING EQUAL maybeemptyexpression
{
m_Variables[$1]=$3;
PRINTF(("Setting variable %s to %s\n",$1.c_str(), $3.c_str()));
}
;
imvarassignment: STRING IMEQUAL maybeemptyexpression
{
m_Variables[$1]=ExpandExpression($3);
PRINTF(("Setting variable %s to %s\n",$1.c_str(), m_Variables[$1].c_str()));
}
;
pvarassignment: STRING PEQUAL maybeemptyexpression
{
m_Variables[$1]=m_Variables[$1]+g_SpaceString+$3;
PRINTF(("Adding to variable %s: %s\n",$1.c_str(), $3.c_str()));
}
;
optvarassignment: STRING OPTEQUAL maybeemptyexpression
{
if (!IsDefined($1))
{
m_Variables[$1]=$3;
PRINTF(("Setting variable %s to %s\n",$1.c_str(), $3.c_str()));
}
}
;
maybeemptyexpression: NEWLINE {$$=g_EmptyString;} |
expression NEWLINE |
expression SPACE NEWLINE
;
expression: nonspaceexpression |
expression SPACE nonspaceexpression {$$=$1+g_SpaceString+$3;}
;
expression_nocolorequal: nonspaceexpression_nocolorequal |
expression_nocolorequal SPACE nonspaceexpression_nocolorequal {$$=$1+g_SpaceString+$3;}
;
nonspaceexpression: simpleexpression |
nonspaceexpression simpleexpression {$$=$1+$2;}
;
nonspaceexpression_nocolorequal: simpleexpression_nocolorequal |
nonspaceexpression_nocolorequal simpleexpression_nocolorequal {$$=$1+$2;}
;
simpleexpression: simpleexpression_nocolorequal |
EQUAL |
COLON |
DOUBLECOLON |
COMMA
;
simpleexpression_nocolorequal: STRING {$$=$1;} |
DOLLAREXPR {$$=$1;}
;
%%
/* -------------- body section -------------- */
|
