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parser.yxx
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <[email protected]>
*
* Copyright:
* Guido Tack, 2007
*
* Last modified:
* $Date: 2006-12-11 03:27:31 +1100 (Mon, 11 Dec 2006) $ by $Author: schulte $
* $Revision: 4024 $
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
%pure-parser
%parse-param {void *parm}
%{
#define YYPARSE_PARAM parm
#define YYLEX_PARAM static_cast<ParserState*>(parm)->yyscanner
#include "flatzinc.hh"
#include "parser.hh"
#include <iostream>
#include <fstream>
#include <sstream>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
using namespace std;
int yyparse(void*);
int yylex(YYSTYPE*, void* scanner);
int yylex_init (void** scanner);
int yylex_destroy (void* scanner);
int yyget_lineno (void* scanner);
void yyset_extra (void* user_defined ,void* yyscanner );
extern int yydebug;
using namespace FlatZinc;
void yyerror(void* parm, const char *str) {
ParserState* pp = static_cast<ParserState*>(parm);
pp->err << "Error: " << str
<< " in line no. " << yyget_lineno(pp->yyscanner)
<< std::endl;
pp->hadError = true;
}
void yyassert(ParserState* pp, bool cond, const char* str)
{
if (!cond) {
pp->err << "Error: " << str
<< " in line no. " << yyget_lineno(pp->yyscanner)
<< std::endl;
pp->hadError = true;
}
}
/*
* The symbol tables
*
*/
AST::Node* getArrayElement(ParserState* pp, string id, unsigned int offset) {
if (offset > 0) {
vector<int> tmp;
if (pp->intvararrays.get(id, tmp) && offset<=tmp.size())
return new AST::IntVar(tmp[offset-1]);
if (pp->boolvararrays.get(id, tmp) && offset<=tmp.size())
return new AST::BoolVar(tmp[offset-1]);
if (pp->setvararrays.get(id, tmp) && offset<=tmp.size())
return new AST::SetVar(tmp[offset-1]);
if (pp->intvalarrays.get(id, tmp) && offset<=tmp.size())
return new AST::IntLit(tmp[offset-1]);
if (pp->boolvalarrays.get(id, tmp) && offset<=tmp.size())
return new AST::BoolLit(tmp[offset-1]);
vector<AST::SetLit> tmpS;
if (pp->setvalarrays.get(id, tmpS) && offset<=tmpS.size())
return new AST::SetLit(tmpS[offset-1]);
}
pp->err << "Error: array access to " << id << " invalid"
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
return new AST::IntVar(0); // keep things consistent
}
AST::Node* getVarRefArg(ParserState* pp, string id, bool annotation = false) {
int tmp;
if (pp->intvarTable.get(id, tmp))
return new AST::IntVar(tmp);
if (pp->boolvarTable.get(id, tmp))
return new AST::BoolVar(tmp);
if (pp->setvarTable.get(id, tmp))
return new AST::SetVar(tmp);
if (annotation)
return new AST::Atom(id);
pp->err << "Error: undefined variable " << id
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
return new AST::IntVar(0); // keep things consistent
}
void addDomainConstraint(ParserState* pp, std::string id, AST::Node* var,
Option<AST::SetLit* >& dom) {
if (!dom())
return;
AST::Array* args = new AST::Array(2);
args->a[0] = var;
args->a[1] = dom.some();
pp->domainConstraints.push_back(new ConExpr(id, args));
}
/*
* Initialize the root gecode space
*
*/
void initfg(ParserState* pp) {
if (!pp->hadError)
pp->fg->init(pp->intvars.size(),
pp->boolvars.size(),
pp->setvars.size());
for (unsigned int i=0; i<pp->intvars.size(); i++) {
if (!pp->hadError) {
try {
pp->fg->newIntVar(static_cast<IntVarSpec*>(pp->intvars[i].second));
} catch (FlatZinc::Error& e) {
yyerror(pp, e.toString().c_str());
}
}
if (pp->intvars[i].first[0] != '[') {
delete pp->intvars[i].second;
pp->intvars[i].second = NULL;
}
}
for (unsigned int i=0; i<pp->boolvars.size(); i++) {
if (!pp->hadError) {
try {
pp->fg->newBoolVar(
static_cast<BoolVarSpec*>(pp->boolvars[i].second));
} catch (FlatZinc::Error& e) {
yyerror(pp, e.toString().c_str());
}
}
if (pp->boolvars[i].first[0] != '[') {
delete pp->boolvars[i].second;
pp->boolvars[i].second = NULL;
}
}
for (unsigned int i=0; i<pp->setvars.size(); i++) {
if (!pp->hadError) {
try {
pp->fg->newSetVar(static_cast<SetVarSpec*>(pp->setvars[i].second));
} catch (FlatZinc::Error& e) {
yyerror(pp, e.toString().c_str());
}
}
if (pp->setvars[i].first[0] != '[') {
delete pp->setvars[i].second;
pp->setvars[i].second = NULL;
}
}
for (unsigned int i=pp->domainConstraints.size(); i--;) {
if (!pp->hadError) {
try {
assert(pp->domainConstraints[i]->args->a.size() == 2);
pp->fg->postConstraint(*pp->domainConstraints[i], NULL);
delete pp->domainConstraints[i];
} catch (FlatZinc::Error& e) {
yyerror(pp, e.toString().c_str());
}
}
}
}
void fillPrinter(ParserState& pp, FlatZinc::Printer& p) {
p.init(pp.getOutput());
}
AST::Node* arrayOutput(AST::Call* ann) {
AST::Array* a = NULL;
if (ann->args->isArray()) {
a = ann->args->getArray();
} else {
a = new AST::Array(ann->args);
}
std::ostringstream oss;
oss << "array" << a->a.size() << "d(";
for (unsigned int i=0; i<a->a.size(); i++) {
AST::SetLit* s = a->a[i]->getSet();
if (s->empty())
oss << "{}, ";
else if (s->interval)
oss << s->min << ".." << s->max << ", ";
else {
oss << "{";
for (unsigned int j=0; j<s->s.size(); j++) {
oss << s->s[j];
if (j<s->s.size()-1)
oss << ",";
}
oss << "}, ";
}
}
if (!ann->args->isArray()) {
a->a[0] = NULL;
delete a;
}
return new AST::String(oss.str());
}
/*
* The main program
*
*/
namespace FlatZinc {
FlatZincModel* parse(const std::string& filename, Printer& p, std::ostream& err,
FlatZincModel* fzs) {
#ifdef HAVE_MMAP
int fd;
char* data;
struct stat sbuf;
fd = open(filename.c_str(), O_RDONLY);
if (fd == -1) {
err << "Cannot open file " << filename << endl;
return NULL;
}
if (stat(filename.c_str(), &sbuf) == -1) {
err << "Cannot stat file " << filename << endl;
return NULL;
}
data = (char*)mmap((caddr_t)0, sbuf.st_size, PROT_READ, MAP_SHARED, fd,0);
if (data == (caddr_t)(-1)) {
err << "Cannot mmap file " << filename << endl;
return NULL;
}
if (fzs == NULL) {
fzs = new FlatZincModel();
}
ParserState pp(data, sbuf.st_size, err, fzs);
#else
std::ifstream file;
file.open(filename.c_str());
if (!file.is_open()) {
err << "Cannot open file " << filename << endl;
return NULL;
}
std::string s = string(istreambuf_iterator<char>(file),
istreambuf_iterator<char>());
if (fzs == NULL) {
fzs = new FlatZincModel();
}
ParserState pp(s, err, fzs);
#endif
yylex_init(&pp.yyscanner);
yyset_extra(&pp, pp.yyscanner);
// yydebug = 1;
yyparse(&pp);
fillPrinter(pp, p);
if (pp.yyscanner)
yylex_destroy(pp.yyscanner);
return pp.hadError ? NULL : pp.fg;
}
FlatZincModel* parse(std::istream& is, Printer& p, std::ostream& err,
FlatZincModel* fzs) {
std::string s = string(istreambuf_iterator<char>(is),
istreambuf_iterator<char>());
if (fzs == NULL) {
fzs = new FlatZincModel();
}
ParserState pp(s, err, fzs);
yylex_init(&pp.yyscanner);
yyset_extra(&pp, pp.yyscanner);
// yydebug = 1;
yyparse(&pp);
fillPrinter(pp, p);
if (pp.yyscanner)
yylex_destroy(pp.yyscanner);
return pp.hadError ? NULL : pp.fg;
}
}
%}
%union { int iValue; char* sValue; bool bValue; double dValue;
std::vector<int>* setValue;
FlatZinc::AST::SetLit* setLit;
std::vector<double>* floatSetValue;
std::vector<FlatZinc::AST::SetLit>* setValueList;
FlatZinc::Option<FlatZinc::AST::SetLit* > oSet;
FlatZinc::VarSpec* varSpec;
FlatZinc::Option<FlatZinc::AST::Node*> oArg;
std::vector<FlatZinc::VarSpec*>* varSpecVec;
FlatZinc::Option<std::vector<FlatZinc::VarSpec*>* > oVarSpecVec;
FlatZinc::AST::Node* arg;
FlatZinc::AST::Array* argVec;
}
%error-verbose
%token <iValue> FZ_INT_LIT FZ_BOOL_LIT
%token <dValue> FZ_FLOAT_LIT
%token <sValue> FZ_ID FZ_U_ID FZ_STRING_LIT
%token <bValue> FZ_VAR FZ_PAR
%token FZ_ANNOTATION
%token FZ_ANY
%token FZ_ARRAY
%token FZ_BOOL
%token FZ_CASE
%token FZ_COLONCOLON
%token FZ_CONSTRAINT
%token FZ_DEFAULT
%token FZ_DOTDOT
%token FZ_ELSE
%token FZ_ELSEIF
%token FZ_ENDIF
%token FZ_ENUM
%token FZ_FLOAT
%token FZ_FUNCTION
%token FZ_IF
%token FZ_INCLUDE
%token FZ_INT
%token FZ_LET
%token <bValue> FZ_MAXIMIZE
%token <bValue> FZ_MINIMIZE
%token FZ_OF
%token FZ_SATISFY
%token FZ_OUTPUT
%token FZ_PREDICATE
%token FZ_RECORD
%token FZ_SET
%token FZ_SHOW
%token FZ_SHOWCOND
%token FZ_SOLVE
%token FZ_STRING
%token FZ_TEST
%token FZ_THEN
%token FZ_TUPLE
%token FZ_TYPE
%token FZ_VARIANT_RECORD
%token FZ_WHERE
%type <sValue> var_par_id
%type <setLit> set_literal
%type <varSpec> int_init bool_init set_init float_init
%type <oSet> int_ti_expr_tail bool_ti_expr_tail
%type <oVarSpecVec> vardecl_int_var_array_init
%type <oVarSpecVec> vardecl_bool_var_array_init
%type <oVarSpecVec> vardecl_float_var_array_init
%type <oVarSpecVec> vardecl_set_var_array_init
%type <varSpecVec> int_var_array_literal
%type <varSpecVec> bool_var_array_literal
%type <varSpecVec> float_var_array_literal
%type <varSpecVec> set_var_array_literal
%type <varSpecVec> int_init_list int_init_list_head
%type <varSpecVec> bool_init_list bool_init_list_head
%type <varSpecVec> float_init_list float_init_list_head
%type <varSpecVec> set_init_list set_init_list_head
%type <setValue> int_list int_list_head
%type <setValue> bool_list bool_list_head
%type <setValueList> set_literal_list set_literal_list_head
%type <floatSetValue> float_list float_list_head
%type <arg> flat_expr non_array_expr annotation_expr ann_non_array_expr
%type <oArg> non_array_expr_opt
%type <argVec> flat_expr_list non_array_expr_list non_array_expr_list_head
%type <iValue> solve_expr
%type <bValue> minmax
%type <argVec> annotations annotations_head
%type <arg> annotation annotation_list
%%
/********************************/
/* main goal and item lists */
/********************************/
model : preddecl_items vardecl_items constraint_items solve_item ';'
preddecl_items:
/* empty */
| preddecl_items_head
preddecl_items_head:
preddecl_item ';'
| preddecl_items_head preddecl_item ';'
vardecl_items:
/* emtpy */
{ initfg(static_cast<ParserState*>(parm)); }
| vardecl_items_head
{ initfg(static_cast<ParserState*>(parm)); }
vardecl_items_head:
vardecl_item ';'
| vardecl_items_head vardecl_item ';'
constraint_items:
/* emtpy */
| constraint_items_head
constraint_items_head:
constraint_item ';'
| constraint_items_head constraint_item ';'
/********************************/
/* predicate declarations */
/********************************/
preddecl_item:
FZ_PREDICATE FZ_ID '(' pred_arg_list ')'
pred_arg_list:
/* empty */
| pred_arg_list_head list_tail
pred_arg_list_head:
pred_arg
| pred_arg_list_head ',' pred_arg
pred_arg:
pred_arg_type ':' FZ_ID
pred_arg_type:
FZ_ARRAY '[' pred_array_init ']' FZ_OF pred_arg_simple_type
| FZ_ARRAY '[' pred_array_init ']' FZ_OF FZ_VAR pred_arg_simple_type
| FZ_VAR pred_arg_simple_type
| pred_arg_simple_type
pred_arg_simple_type:
int_ti_expr_tail
| FZ_SET FZ_OF int_ti_expr_tail
| FZ_BOOL
| FZ_FLOAT
pred_array_init:
pred_array_init_arg
| pred_array_init ',' pred_array_init_arg
pred_array_init_arg:
FZ_INT
| FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT
/********************************/
/* variable declarations */
/********************************/
var_par_id : FZ_ID | FZ_U_ID
vardecl_item:
FZ_VAR int_ti_expr_tail ':' var_par_id annotations non_array_expr_opt
{
ParserState* pp = static_cast<ParserState*>(parm);
bool print = $5->hasAtom("output_var");
bool introduced = $5->hasAtom("var_is_introduced");
pp->intvarTable.put($4, pp->intvars.size());
if (print) {
pp->output(std::string($4), new AST::IntVar(pp->intvars.size()));
}
if ($6()) {
AST::Node* arg = $6.some();
if (arg->isInt()) {
pp->intvars.push_back(varspec($4,
new IntVarSpec(arg->getInt(),introduced)));
} else if (arg->isIntVar()) {
pp->intvars.push_back(varspec($4,
new IntVarSpec(Alias(arg->getIntVar()),introduced)));
} else {
yyassert(pp, false, "Invalid var int initializer.");
}
if (!pp->hadError)
addDomainConstraint(pp, "int_in",
new AST::IntVar(pp->intvars.size()-1), $2);
delete arg;
} else {
pp->intvars.push_back(varspec($4, new IntVarSpec($2,introduced)));
}
delete $5; free($4);
}
| FZ_VAR bool_ti_expr_tail ':' var_par_id annotations non_array_expr_opt
{
ParserState* pp = static_cast<ParserState*>(parm);
bool print = $5->hasAtom("output_var");
bool introduced = $5->hasAtom("var_is_introduced");
pp->boolvarTable.put($4, pp->boolvars.size());
if (print) {
pp->output(std::string($4), new AST::BoolVar(pp->boolvars.size()));
}
if ($6()) {
AST::Node* arg = $6.some();
if (arg->isBool()) {
pp->boolvars.push_back(varspec($4,
new BoolVarSpec(arg->getBool(),introduced)));
} else if (arg->isBoolVar()) {
pp->boolvars.push_back(varspec($4,
new BoolVarSpec(Alias(arg->getBoolVar()),introduced)));
} else {
yyassert(pp, false, "Invalid var bool initializer.");
}
if (!pp->hadError)
addDomainConstraint(pp, "int_in",
new AST::BoolVar(pp->boolvars.size()-1), $2);
delete arg;
} else {
pp->boolvars.push_back(varspec($4, new BoolVarSpec($2,introduced)));
}
delete $5; free($4);
}
| FZ_VAR float_ti_expr_tail ':' var_par_id annotations non_array_expr_opt
{ ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, false, "Floats not supported.");
delete $5; free($4);
}
| FZ_VAR FZ_SET FZ_OF int_ti_expr_tail ':' var_par_id annotations non_array_expr_opt
{
ParserState* pp = static_cast<ParserState*>(parm);
bool print = $7->hasAtom("output_var");
bool introduced = $7->hasAtom("var_is_introduced");
pp->setvarTable.put($6, pp->setvars.size());
if (print) {
pp->output(std::string($6), new AST::SetVar(pp->setvars.size()));
}
if ($8()) {
AST::Node* arg = $8.some();
if (arg->isSet()) {
pp->setvars.push_back(varspec($6,
new SetVarSpec(arg->getSet(),introduced)));
} else if (arg->isSetVar()) {
pp->setvars.push_back(varspec($6,
new SetVarSpec(Alias(arg->getSetVar()),introduced)));
delete arg;
} else {
yyassert(pp, false, "Invalid var set initializer.");
delete arg;
}
if (!pp->hadError)
addDomainConstraint(pp, "set_subset",
new AST::SetVar(pp->setvars.size()-1), $4);
} else {
pp->setvars.push_back(varspec($6, new SetVarSpec($4,introduced)));
}
delete $7; free($6);
}
| FZ_INT ':' var_par_id annotations '=' non_array_expr
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $6->isInt(), "Invalid int initializer.");
pp->intvals.put($3, $6->getInt());
delete $4; free($3);
}
| FZ_BOOL ':' var_par_id annotations '=' non_array_expr
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $6->isBool(), "Invalid bool initializer.");
pp->boolvals.put($3, $6->getBool());
delete $4; free($3);
}
| FZ_SET FZ_OF FZ_INT ':' var_par_id annotations '=' non_array_expr
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $8->isSet(), "Invalid set initializer.");
AST::SetLit* set = $8->getSet();
pp->setvals.put($5, *set);
delete set;
delete $6; free($5);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_VAR int_ti_expr_tail ':'
var_par_id annotations vardecl_int_var_array_init
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $3==1, "Arrays must start at 1");
if (!pp->hadError) {
bool print = $12->hasCall("output_array");
vector<int> vars($5);
if (!pp->hadError) {
if ($13()) {
vector<VarSpec*>* vsv = $13.some();
yyassert(pp, vsv->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError) {
for (int i=0; i<$5; i++) {
IntVarSpec* ivsv = static_cast<IntVarSpec*>((*vsv)[i]);
if (ivsv->alias) {
vars[i] = ivsv->i;
} else {
vars[i] = pp->intvars.size();
pp->intvars.push_back(varspec($11, ivsv));
}
if (!pp->hadError && $9()) {
Option<AST::SetLit*> opt =
Option<AST::SetLit*>::some(new AST::SetLit(*$9.some()));
addDomainConstraint(pp, "int_in",
new AST::IntVar(vars[i]),
opt);
}
}
}
delete vsv;
} else {
if ($5>0) {
IntVarSpec* ispec = new IntVarSpec($9,!print);
string arrayname = "["; arrayname += $11;
for (int i=0; i<$5-1; i++) {
vars[i] = pp->intvars.size();
pp->intvars.push_back(varspec(arrayname, ispec));
}
vars[$5-1] = pp->intvars.size();
pp->intvars.push_back(varspec($11, ispec));
}
}
}
if (print) {
AST::Array* a = new AST::Array();
a->a.push_back(arrayOutput($12->getCall("output_array")));
AST::Array* output = new AST::Array();
for (int i=0; i<$5; i++)
output->a.push_back(new AST::IntVar(vars[i]));
a->a.push_back(output);
a->a.push_back(new AST::String(")"));
pp->output(std::string($11), a);
}
pp->intvararrays.put($11, vars);
}
delete $12; free($11);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_VAR bool_ti_expr_tail ':'
var_par_id annotations vardecl_bool_var_array_init
{
ParserState* pp = static_cast<ParserState*>(parm);
bool print = $12->hasCall("output_array");
yyassert(pp, $3==1, "Arrays must start at 1");
if (!pp->hadError) {
vector<int> vars($5);
if ($13()) {
vector<VarSpec*>* vsv = $13.some();
yyassert(pp, vsv->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError) {
for (int i=0; i<$5; i++) {
BoolVarSpec* bvsv = static_cast<BoolVarSpec*>((*vsv)[i]);
if (bvsv->alias)
vars[i] = bvsv->i;
else {
vars[i] = pp->boolvars.size();
pp->boolvars.push_back(varspec($11, (*vsv)[i]));
}
if (!pp->hadError && $9()) {
Option<AST::SetLit*> opt =
Option<AST::SetLit*>::some(new AST::SetLit(*$9.some()));
addDomainConstraint(pp, "int_in",
new AST::BoolVar(vars[i]),
opt);
}
}
}
delete vsv;
} else {
for (int i=0; i<$5; i++) {
vars[i] = pp->boolvars.size();
pp->boolvars.push_back(varspec($11,
new BoolVarSpec($9,!print)));
}
}
if (print) {
AST::Array* a = new AST::Array();
a->a.push_back(arrayOutput($12->getCall("output_array")));
AST::Array* output = new AST::Array();
for (int i=0; i<$5; i++)
output->a.push_back(new AST::BoolVar(vars[i]));
a->a.push_back(output);
a->a.push_back(new AST::String(")"));
pp->output(std::string($11), a);
}
pp->boolvararrays.put($11, vars);
}
delete $12; free($11);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_VAR float_ti_expr_tail ':'
var_par_id annotations vardecl_float_var_array_init
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, false, "Floats not supported.");
delete $12; free($11);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_VAR FZ_SET FZ_OF int_ti_expr_tail ':'
var_par_id annotations vardecl_set_var_array_init
{
ParserState* pp = static_cast<ParserState*>(parm);
bool print = $14->hasCall("output_array");
yyassert(pp, $3==1, "Arrays must start at 1");
if (!pp->hadError) {
vector<int> vars($5);
if ($15()) {
vector<VarSpec*>* vsv = $15.some();
yyassert(pp, vsv->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError) {
for (int i=0; i<$5; i++) {
SetVarSpec* svsv = static_cast<SetVarSpec*>((*vsv)[i]);
if (svsv->alias)
vars[i] = svsv->i;
else {
vars[i] = pp->setvars.size();
pp->setvars.push_back(varspec($13, (*vsv)[i]));
}
if (!pp->hadError && $11()) {
Option<AST::SetLit*> opt =
Option<AST::SetLit*>::some(new AST::SetLit(*$11.some()));
addDomainConstraint(pp, "set_subset",
new AST::SetVar(vars[i]),
opt);
}
}
}
delete vsv;
} else {
if ($5>0) {
SetVarSpec* ispec = new SetVarSpec($11,!print);
string arrayname = "["; arrayname += $13;
for (int i=0; i<$5-1; i++) {
vars[i] = pp->setvars.size();
pp->setvars.push_back(varspec(arrayname, ispec));
}
vars[$5-1] = pp->setvars.size();
pp->setvars.push_back(varspec($13, ispec));
}
}
if (print) {
AST::Array* a = new AST::Array();
a->a.push_back(arrayOutput($14->getCall("output_array")));
AST::Array* output = new AST::Array();
for (int i=0; i<$5; i++)
output->a.push_back(new AST::SetVar(vars[i]));
a->a.push_back(output);
a->a.push_back(new AST::String(")"));
pp->output(std::string($13), a);
}
pp->setvararrays.put($13, vars);
}
delete $14; free($13);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_INT ':'
var_par_id annotations '=' '[' int_list ']'
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $3==1, "Arrays must start at 1");
yyassert(pp, $14->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError)
pp->intvalarrays.put($10, *$14);
delete $14;
free($10);
delete $11;
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_BOOL ':'
var_par_id annotations '=' '[' bool_list ']'
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $3==1, "Arrays must start at 1");
yyassert(pp, $14->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError)
pp->boolvalarrays.put($10, *$14);
delete $14;
free($10);
delete $11;
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_FLOAT ':'
var_par_id annotations '=' '[' float_list ']'
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, false, "Floats not supported.");
delete $11; free($10);
}
| FZ_ARRAY '[' FZ_INT_LIT FZ_DOTDOT FZ_INT_LIT ']' FZ_OF FZ_SET FZ_OF FZ_INT ':'
var_par_id annotations '=' '[' set_literal_list ']'
{
ParserState* pp = static_cast<ParserState*>(parm);
yyassert(pp, $3==1, "Arrays must start at 1");
yyassert(pp, $16->size() == static_cast<unsigned int>($5),
"Initializer size does not match array dimension");
if (!pp->hadError)
pp->setvalarrays.put($12, *$16);
delete $16;
delete $13; free($12);
}
int_init :
FZ_INT_LIT
{
$$ = new IntVarSpec($1,false);
}
| var_par_id
{
int v = 0;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->intvarTable.get($1, v))
$$ = new IntVarSpec(Alias(v),false);
else {
pp->err << "Error: undefined identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new IntVarSpec(0,false); // keep things consistent
}
free($1);
}
| var_par_id '[' FZ_INT_LIT ']'
{
vector<int> v;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->intvararrays.get($1, v)) {
yyassert(pp,static_cast<unsigned int>($3) > 0 &&
static_cast<unsigned int>($3) <= v.size(),
"array access out of bounds");
if (!pp->hadError)
$$ = new IntVarSpec(Alias(v[$3-1]),false);
else
$$ = new IntVarSpec(0,false); // keep things consistent
} else {
pp->err << "Error: undefined array identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new IntVarSpec(0,false); // keep things consistent
}
free($1);
}
int_init_list :
/* empty */
{ $$ = new vector<VarSpec*>(0); }
| int_init_list_head list_tail
{ $$ = $1; }
int_init_list_head :
int_init
{ $$ = new vector<VarSpec*>(1); (*$$)[0] = $1; }
| int_init_list_head ',' int_init
{ $$ = $1; $$->push_back($3); }
list_tail : | ','
int_var_array_literal : '[' int_init_list ']'
{ $$ = $2; }
float_init :
FZ_FLOAT_LIT
{ $$ = new FloatVarSpec($1,false); }
| var_par_id
{
int v = 0;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->floatvarTable.get($1, v))
$$ = new FloatVarSpec(Alias(v),false);
else {
pp->err << "Error: undefined identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new FloatVarSpec(0.0,false);
}
free($1);
}
| var_par_id '[' FZ_INT_LIT ']'
{
vector<int> v;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->floatvararrays.get($1, v)) {
yyassert(pp,static_cast<unsigned int>($3) > 0 &&
static_cast<unsigned int>($3) <= v.size(),
"array access out of bounds");
if (!pp->hadError)
$$ = new FloatVarSpec(Alias(v[$3-1]),false);
else
$$ = new FloatVarSpec(0.0,false);
} else {
pp->err << "Error: undefined array identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new FloatVarSpec(0.0,false);
}
free($1);
}
float_init_list :
/* empty */
{ $$ = new vector<VarSpec*>(0); }
| float_init_list_head list_tail
{ $$ = $1; }
float_init_list_head :
float_init
{ $$ = new vector<VarSpec*>(1); (*$$)[0] = $1; }
| float_init_list_head ',' float_init
{ $$ = $1; $$->push_back($3); }
float_var_array_literal :
'[' float_init_list ']'
{ $$ = $2; }
bool_init :
FZ_BOOL_LIT
{ $$ = new BoolVarSpec($1,false); }
| var_par_id
{
int v = 0;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->boolvarTable.get($1, v))
$$ = new BoolVarSpec(Alias(v),false);
else {
pp->err << "Error: undefined identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new BoolVarSpec(false,false);
}
free($1);
}
| var_par_id '[' FZ_INT_LIT ']'
{
vector<int> v;
ParserState* pp = static_cast<ParserState*>(parm);
if (pp->boolvararrays.get($1, v)) {
yyassert(pp,static_cast<unsigned int>($3) > 0 &&
static_cast<unsigned int>($3) <= v.size(),
"array access out of bounds");
if (!pp->hadError)
$$ = new BoolVarSpec(Alias(v[$3-1]),false);
else
$$ = new BoolVarSpec(false,false);
} else {
pp->err << "Error: undefined array identifier " << $1
<< " in line no. "
<< yyget_lineno(pp->yyscanner) << std::endl;
pp->hadError = true;
$$ = new BoolVarSpec(false,false);
}
free($1);
}
bool_init_list :
/* empty */
{ $$ = new vector<VarSpec*>(0); }
| bool_init_list_head list_tail
{ $$ = $1; }