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EvolverData.y
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EvolverData.y
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/**
* @file EvolverData.y
* @author Dan R. Lipsa
* @brief Grammar for parsing a .dmp file produced by Surface Evolver.
* @ingroup parser
*
* @defgroup parser Parser
*
* Parses Surface Evolver .dmp files and invoques the Data module to
* build a memory representation of the simulation data.
*
* @section sec_space Significant space
* For matrices of expressions and for vertex components
* x, y, z.
*
* @section sec_new_line Significant new line
* For arrays (2d versus 3d)
*
*/
%skeleton "lalr1.cc" /* -*- C++ -*- */
%require "2.1a"
%defines
%token-table
%error-verbose
%expect 3 // state 84, 89, 297
%locations
%code requires {
class Foam;
class ParsingDriver;
}
%parse-param { Foam* foam }
%parse-param { void* scanner }
%lex-param { void* scanner }
%initial-action
{
// Initialize the initial location.
@$.begin.filename = @$.end.filename = &foam->GetParsingData ().GetFile ();
}
/** @cond */
%code requires {
#include "ParsingEnums.h"
class ExpressionTree;
class NameSemanticValue;
class AttributeCreator;
class Attribute;
}
/** @endcond */
/*
* Defines the datatypes for semantic values for terminals and non-terminals
* in the gramar
*/
%union
{
short m_short;
/*
* Value for an iteger
*/
int m_int;
size_t m_sizet;
/*
* Value for a doubleing point
*/
double m_real;
/*
* Value for a list of integers
*/
std::vector<int>* m_intList;
std::vector<size_t>* m_sizetList;
/*
* Value for a list of real numbers
*/
std::vector<double>* m_realList;
/*
* An identifier
*/
const char* m_id;
/*
* An expression tree
*/
ExpressionTree* m_node;
/*
* Knows how to create an attribute
*/
AttributeCreator* m_attributeCreator;
Attribute* m_attribute;
DefineAttribute::Enum m_attributeType;
std::vector<NameSemanticValue*>* m_nameSemanticValueList;
NameSemanticValue* m_nameSemanticValue;
G3D::Vector3int16* m_vector3int16;
Color::Enum m_color;
}
// KEYWORDS -- should come before other tokens --
// - add the keyword in the table in ParsingDriver.cpp
// - add the keyword in the list of tokens in EvolverData.y
// - add the correct rule in EvolverData.y
// - IF NEEDED add the attribute in AddDefault...Attribute in Foam.cpp
%token PARAMETER "PARAMETER"
%token PERIODS "PERIODS"
%token DISPLAY_PERIODS "DISPLAY_PERIODS"
%token DISPLAY_ORIGIN "DISPLAY_ORIGIN"
%token VIEW_MATRIX "VIEW_MATRIX"
%token VERTICES "VERTICES"
%token EDGES "EDGES"
%token FACES "FACES"
%token BODIES "BODIES"
%token READ "READ"
// extra attributes
%token DEFINE "DEFINE"
%token ATTRIBUTE "ATTRIBUTE"
%token VERTEX "VERTEX"
%token EDGE "EDGE"
%token FACET "FACET"
%token BODY "BODY"
%token INTEGER_TYPE "INTEGER"
%token REAL_TYPE "REAL"
// colors
%token <m_id> COLOR "COLOR"
%token BLACK "BLACK"
%token BLUE "BLUE"
%token GREEN "GREEN"
%token CYAN "CYAN"
%token RED "RED"
%token MAGENTA "MAGENTA"
%token BROWN "BROWN"
%token LIGHTGRAY "LIGHTGRAY"
%token DARKGRAY "DARKGRAY"
%token LIGHTBLUE "LIGHTBLUE"
%token LIGHTGREEN "LIGHTGREEN"
%token LIGHTCYAN "LIGHTCYAN"
%token LIGHTRED "LIGHTRED"
%token LIGHTMAGENTA "LIGHTMAGENTA"
%token YELLOW "YELLOW"
%token WHITE "WHITE"
%token CLEAR "CLEAR"
// additional parameters
%token STRING "STRING"
%token SOAPFILM "SOAPFILM"
%token LINEAR "LINEAR"
%token QUADRATIC "QUADRATIC"
%token KEEP_ORIGINALS "KEEP_ORIGINALS"
%token SIMPLEX_REPRESENTATION "SIMPLEX_REPRESENTATION"
%token TOTAL_TIME "TOTAL_TIME"
%token TEMPERATURE "TEMPERATURE"
%token CONSTRAINT_TOLERANCE "CONSTRAINT_TOLERANCE"
%token SYMMETRIC_CONTENT "SYMMETRIC_CONTENT"
%token SCALE "SCALE"
%token SCALE_LIMIT "SCALE_LIMIT"
%token NOWALL "NOWALL"
%token GLOBAL "GLOBAL"
%token CONTENT "CONTENT"
%token C1 "C1"
%token C2 "C2"
%token C3 "C3"
%token CONVEX "CONVEX"
%token ENERGY "ENERGY"
%token INFO_ONLY "INFO_ONLY"
%token CONSERVED "CONSERVED"
%token E1 "E1"
%token E2 "E2"
%token E3 "E3"
%token FUNCTION "FUNCTION"
%token PROCEDURE "PROCEDURE"
%token NONNEGATIVE "NONNEGATIVE"
%token NONPOSITIVE "NONPOSITIVE"
%token FORMULA "FORMULA"
%token <m_id> CONSTRAINT "CONSTRAINT"
%token EQUATION "EQUATION"
%token TORUS_FILLED "TORUS_FILLED"
%token TORUS "TORUS"
%token SPACE_DIMENSION "SPACE_DIMENSION"
%token LENGTH_METHOD_NAME "LENGTH_METHOD_NAME"
%token AREA_METHOD_NAME "AREA_METHOD_NAME"
%token QUANTITY "QUANTITY"
%token METHOD_INSTANCE "METHOD_INSTANCE"
%token METHOD "METHOD"
%token FIXED "FIXED"
%token NO_REFINE "NO_REFINE"
%token SCALAR_INTEGRAND "SCALAR_INTEGRAND"
%token VIEW_TRANSFORM_GENERATORS "VIEW_TRANSFORM_GENERATORS"
%token SWAP_COLORS "SWAP_COLORS"
%token INTEGRAL_ORDER_1D "INTEGRAL_ORDER_1D"
%token <m_id> ORIGINAL "ORIGINAL"
%token <m_id> VOLUME "VOLUME"
%token <m_id> ACTUAL "ACTUAL"
%token <m_id> AREA "AREA"
%token <m_id> VOLCONST "VOLCONST"
%token <m_id> ACTUAL_VOLUME "ACTUAL_VOLUME"
%token <m_id> LAGRANGE_MULTIPLIER "LAGRANGE_MULTIPLIER"
%token <m_id> CENTEROFMASS "CENTEROFMASS"
%token <m_id> PRESSURE "PRESSURE"
%token <m_id> CONSTRAINTS "CONSTRAINTS"
%token <m_id> DENSITY "DENSITY"
%token <m_id> TENSION "TENSION"
%token CLIP_COEFF "CLIP_COEFF"
%token SLICE_COEFF "SLICE_COEFF"
%token AREA_NORMALIZATION "AREA_NORMALIZATION"
%token MODULUS "MODULUS"
%token SUPPRESS_WARNING "SUPPRESS_WARNING"
%token VALUE "VALUE"
// terminal symbols
%token SPACE /* Only transmited if ParsingData::IsSpaceSignificant */
%token <m_int> INTEGER_VALUE
%token <m_real> REAL_VALUE
%token <m_id> IDENTIFIER
%token <m_id> ATTRIBUTE_ID
%token <m_id> METHOD_OR_QUANTITY_ID
%token <m_id> END_COMMENT "*/"
%token <m_id> '='
%token <m_id> '?'
/* arithmetic */
%token <m_id> '+'
%token <m_id> '-'
%token <m_id> '*'
%token <m_id> '/'
%token <m_id> '^'
/*comparison */
%token <m_id> GE ">="
%token <m_id> '>'
%token <m_id> '<'
%token <m_id> LE "<="
/* logical */
%token <m_id> '!'
%token <m_id> AND "&&"
%token <m_id> OR "||"
/* method instance value */
%token <m_id> '.'
// operator precedence
%right '='
%right '?' ':'
%left OR
%left AND
%left '>' '<' LE GE
%left '-' '+'
%left '*' '/'
%right '^' /* exponentiation */
%right '!' UMINUS /* negation--unary minus */
%type <m_real> const_expr
%type <m_real> vertex_list_rest
%type <m_attributeType> element_type
%type <m_attributeCreator> attribute_value_type
%type <m_node> expr
%type <m_node> non_const_expr
%type <m_node> method_expr
%type <m_real> method_value
%type <m_real> number
%type <m_nameSemanticValueList> vertex_attribute_list
%type <m_nameSemanticValueList> edge_attribute_list
%type <m_nameSemanticValueList> face_attribute_list
%type <m_nameSemanticValueList> body_attribute_list
%type <m_nameSemanticValue> predefined_vertex_attribute
%type <m_nameSemanticValue> predefined_edge_attribute
%type <m_nameSemanticValue> predefined_face_attribute
%type <m_nameSemanticValue> predefined_body_attribute
%type <m_nameSemanticValue> user_attribute
%type <m_nameSemanticValue> method_or_quantity
%type <m_intList> comma_integer_list
%type <m_intList> integer_list
%type <m_realList> comma_real_list
%type <m_color> color_name
%type <m_vector3int16> signs_torus_model
%type <m_short> sign_torus_model
%type <m_short> opt_sign_torus_model
%type <m_int> quantity_rest
%type <m_int> method_instance_rest
%type <m_int> edge_midpoint
%type <m_id> constraints
%type <m_id> tension_or_density
%type <m_id> pressure_or_lagrange_multiplier
%type <m_attribute> array_rest
%type <m_attribute> array_initializer
%type <m_attribute> array_initializer_list
%type <m_sizetList> array_dimensions_or_indexes;
%type <m_sizet> array_dimension_or_index;
/** @cond */
%{
#include "Attribute.h"
#include "Foam.h"
#include "Debug.h"
#include "Edge.h"
#include "ParsingData.h"
#include "ExpressionTree.h"
#include "AttributeCreator.h"
#include "SystemDifferences.h"
#include "NameSemanticValue.h"
int yylex(void);
void yyerror (char const *);
/*
* Converts an int to an unsigned int and print a message if the int is negative
* @param i the integer to be converted
* @param message the message to printed if the integer is negative
* @return the unsigned integer.
*/
size_t intToUnsigned (int i, const char* message);
ExpressionTree* uminusTree (ParsingData& parsingData, ExpressionTree* expr);
%}
/** @endcond */
/** @cond */
%%
datafile
: nlstar header
vertices
{
//foam.GetParsingData ().PrintTimeCheckpoint ("After vertices:");
}
edges
{
//foam->GetParsingData ().PrintTimeCheckpoint ("After edges:");
}
faces
{
//foam->GetParsingData ().PrintTimeCheckpoint ("After faces:");
}
bodies
{
foam->Preprocess ();
//foam->GetParsingData ().PrintTimeCheckpoint ("After bodies:");
}
header
: /* empty */
| header dimensionality nlplus
| header space_dimension nlplus
| header parameter_declaration nlplus
| header attribute nlplus
| header representation nlplus
| header scale_factor nlplus
| header scale_limit nlplus
| header total_time nlplus
| header temperature nlplus
| header constraint_tolerance nlplus
| header SYMMETRIC_CONTENT nlplus
| header KEEP_ORIGINALS nlplus
| header view_matrix nlplus
| header clip_coefficients nlplus
| header slice_coefficient nlplus
| header constraint
| header torus_domain nlplus
| header torus_display_periods nlplus
| header torus_display_origin nlstar
| header length_method_name nlplus
| header area_method_name nlplus
| header quantity nlstar
| header method_instance
| header function_declaration nlplus
| header procedure_declaration nlplus
| header view_transform_generators
| header integral_order_1d nlplus
| header toggle nlplus
| header suppress_warning nlplus
| header array_declaration nlplus
;
nl: '\n'
;
nlstar
: /* empty */
| nlstar nl
;
nlplus
: nlplus nl
| nl
;
space_star
: /* empty */
| SPACE
;
suppress_warning
: SUPPRESS_WARNING INTEGER_VALUE
;
array_declaration
: DEFINE IDENTIFIER number_type array_dimensions_or_indexes array_rest
{
AttributeArrayAttribute* array = static_cast<AttributeArrayAttribute*> ($5);
if (array == 0)
{
array = AttributeArrayAttribute::NewArray ($4);
}
else
array->CheckDimensions ($4);
foam->GetParsingData ().SetArray($2, array);
}
;
array_dimensions_or_indexes
: array_dimension_or_index
{
$$ = new vector<size_t> (1, $1);
}
| array_dimensions_or_indexes array_dimension_or_index
{
vector<size_t>* v = $1;
v->push_back ($2);
$$ = v;
}
;
array_dimension_or_index
: '[' INTEGER_VALUE ']'
{
$$ = $2;
}
;
array_rest
: /* empty */
{
$$ = 0;
}
| '=' nlstar array_initializer
{
$$ = $3;
}
;
array_initializer
: number
{
$$ = new RealAttribute ($1);
}
| '{' array_initializer_list '}'
{
$$ = $2;
}
;
array_initializer_list
: /* empty */
{
$$ = new AttributeArrayAttribute ();
}
| array_initializer
{
$$ = new AttributeArrayAttribute ($1);
}
| array_initializer_list ',' nlstar array_initializer
{
static_cast<AttributeArrayAttribute*>($1)->AddElement ($4);
$$ = $1;
}
;
toggle
: AREA_NORMALIZATION
integral_order_1d
: INTEGRAL_ORDER_1D colon_assignment INTEGER_VALUE
;
view_transform_generators
: VIEW_TRANSFORM_GENERATORS INTEGER_VALUE nlplus
swap_colors
view_transform_generators_matrices
;
swap_colors
: /* empty */
| SWAP_COLORS nlplus
;
view_transform_generators_matrices
: view_transform_generators_matrices
{foam->GetParsingData ().SetSpaceSignificant (true);}
view_transform_generators_matrix
{foam->GetParsingData ().SetSpaceSignificant (false);}
nlplus
| {foam->GetParsingData ().SetSpaceSignificant (true);}
view_transform_generators_matrix
{foam->GetParsingData ().SetSpaceSignificant (false);}
nlplus
;
/* 2D or 3D */
view_transform_generators_matrix
: const_expr SPACE const_expr SPACE const_expr space_star nlplus
const_expr SPACE const_expr SPACE const_expr space_star nlplus
const_expr SPACE const_expr SPACE const_expr space_star
| const_expr SPACE const_expr SPACE const_expr SPACE const_expr space_star nlplus
const_expr SPACE const_expr SPACE const_expr SPACE const_expr space_star nlplus
const_expr SPACE const_expr SPACE const_expr SPACE const_expr space_star nlplus
const_expr SPACE const_expr SPACE const_expr SPACE const_expr space_star
;
length_method_name
: LENGTH_METHOD_NAME '"' IDENTIFIER '"'
;
area_method_name
: AREA_METHOD_NAME '"' IDENTIFIER '"'
;
quantity
: QUANTITY IDENTIFIER quantity_rest
{
if ($3 != 0)
foam->GetParsingData ().AddMethodOrQuantity ($2);
}
quantity_rest
: ';'
{
$$ = 0;
}
| quantity_type quantity_lagrange_multiplier quantity_modulus
quantity_method_list_or_function
{
$$ = 1;
}
quantity_type
: ENERGY
| FIXED '=' REAL_VALUE
| INFO_ONLY
| CONSERVED
;
quantity_lagrange_multiplier
: /*empty*/
| LAGRANGE_MULTIPLIER number
;
quantity_modulus
: /* empty */
| MODULUS const_expr
quantity_method_list_or_function
: quantity_method_list
| quantity_function
;
quantity_method_list
: quantity_method_list method
| method
;
quantity_function
: FUNCTION method_expr
;
method_instance:
METHOD_INSTANCE IDENTIFIER method_instance_rest
{
if ($3 != 0)
foam->GetParsingData ().AddMethodOrQuantity ($2);
}
method_instance_rest
: ';' nlplus
{
$$ = 0;
}
| nlstar method nlstar
{
$$ = 1;
}
method
: METHOD METHOD_OR_QUANTITY_ID method_global nlstar method_parameters
;
method_global
: /* empty */
| GLOBAL
;
method_parameters
: /* empty */
| SCALAR_INTEGRAND colon_assignment
{foam->GetParsingData ().SetKeywordsIgnored (true);}
non_const_expr
{foam->GetParsingData ().SetKeywordsIgnored (false);}
;
function_declaration
: FUNCTION function_return_type IDENTIFIER '('
function_parameters ')' ';'
;
procedure_declaration
: PROCEDURE IDENTIFIER '(' function_parameters ')' ';'
;
function_return_type
: INTEGER_TYPE
| REAL_TYPE
;
function_parameters
: function_parameters ',' function_parameter
| function_parameter
;
function_parameter
: function_parameter_type IDENTIFIER
;
function_parameter_type
: INTEGER_TYPE
| REAL_TYPE
;
parameter_declaration: PARAMETER IDENTIFIER '=' const_expr
{
double v = $4;
foam->GetParsingData ().SetVariable($2, v);
}
attribute
: DEFINE element_type ATTRIBUTE IDENTIFIER attribute_value_type
{
boost::shared_ptr<AttributeCreator> ac ($5);
foam->AddAttributeInfo ($2, $4, ac);
}
element_type: VERTEX
{
$$ = DefineAttribute::VERTEX;
}
| EDGE
{
$$ = DefineAttribute::EDGE;
}
| FACET
{
$$ = DefineAttribute::FACE;
}
| BODY
{
$$ = DefineAttribute::BODY;
}
attribute_value_type
: INTEGER_TYPE
{
$$ = new IntegerAttributeCreator ();
}
| REAL_TYPE
{
$$ = new RealAttributeCreator ();
}
| INTEGER_TYPE '[' INTEGER_VALUE ']'
{
$$ = new IntegerArrayAttributeCreator ($3);
}
| REAL_TYPE '[' INTEGER_VALUE ']'
{
$$ = new RealArrayAttributeCreator ($3);
}
dimensionality
: STRING
| SOAPFILM
;
representation
: LINEAR
| QUADRATIC
{
foam->SetQuadratic (true);
}
| SIMPLEX_REPRESENTATION
;
colon_assignment
: /* empty */
| ':'
;
scale_factor
: SCALE colon_assignment const_expr scale_factor_rest
;
scale_factor_rest
: /* empty */
| FIXED
;
scale_limit
: SCALE_LIMIT colon_assignment const_expr
;
total_time
: TOTAL_TIME colon_assignment const_expr
;
temperature
: TEMPERATURE colon_assignment const_expr
;
constraint_tolerance
: CONSTRAINT_TOLERANCE colon_assignment REAL_VALUE
;
space_dimension
: SPACE_DIMENSION const_expr
{
foam->SetDimension ($2);
}
/* 2D or 3D */
view_matrix
: VIEW_MATRIX nlplus
const_expr const_expr const_expr const_expr nlplus
const_expr const_expr const_expr const_expr nlplus
const_expr const_expr const_expr const_expr nlplus
const_expr const_expr const_expr const_expr
{
foam->SetViewMatrix ( $3, $4, $5, $6,
$8, $9, $10, $11,
$13, $14, $15, $16,
$18, $19, $20, $21);
}
| VIEW_MATRIX nlplus
const_expr const_expr const_expr nlplus
const_expr const_expr const_expr nlplus
const_expr const_expr const_expr
{
foam->SetViewMatrix ( $3, $4, $5, 0,
$7, $8, $9, 0,
$11, $12, $13, 0,
0, 0, 0, 0);
}
clip_coefficients
: CLIP_COEFF '=' '{' clip_coefficient clip_coefficient_list '}'
clip_coefficient
: '{' number ',' number ',' number clip_coefficient_rest
slice_coefficient
: SLICE_COEFF '=' '{' number ',' number ',' number slice_coefficient_rest
clip_coefficient_rest
: ',' number '}'
| '}'
slice_coefficient_rest
: ',' number '}'
| '}'
clip_coefficient_list
: /* empty */
| clip_coefficient_list ',' clip_coefficient
constraint
: CONSTRAINT INTEGER_VALUE constraint_params nlplus
constraint_type ':' non_const_expr nlplus
constraint_energy
constraint_content
{
foam->GetParsingData ().SetConstraint ($2 - 1, $7);
}
;
constraint_params
: /* empty */
| constraint_params GLOBAL
| constraint_params CONVEX
| constraint_params NONNEGATIVE
| constraint_params NONPOSITIVE
| constraint_params NOWALL
;
constraint_type
: EQUATION
| FORMULA
| FUNCTION
;
/* 2D or 3D */
constraint_energy
: /* empty */
| ENERGY nl
E1 ':' non_const_expr nlplus constraint_energy_rest
{
delete $5;
}
;
constraint_energy_rest
: /* empty */
| E2 ':' non_const_expr nlplus
E3 ':' non_const_expr nlplus
{
delete $3;
delete $7;
}
;
/* 2D or 3D */
constraint_content
: /* empty */
| CONTENT nl
C1 ':' non_const_expr nlplus constraint_content_c2c3
{
delete $5;
}
;
constraint_content_c2c3
: /* empty */
| C2 ':' non_const_expr nlplus constraint_content_c3
{
delete $3;
}
;
constraint_content_c3
: /* empty */
| C3 ':' non_const_expr nlplus
{
delete $3;
}
;
const_expr
: expr
{
double v = $1->Value ();
$$ = v;
delete $1;
}
method_value
: METHOD_OR_QUANTITY_ID method_value_rest
{
$$ = 0;
}
method_value_rest
: /* empty */
| '.' VALUE
;
/* expressions */
/* ====================================================================== */
/* differs from expr in respect to the ATTRIBUTE_ID rule */
non_const_expr
: number
{
$$ = new ExpressionTreeNumber (foam->GetParsingData (), $1);
}
| IDENTIFIER
{
$$ = new ExpressionTreeVariable (foam->GetParsingData (), $1);
}
/* Array values */
| IDENTIFIER array_dimensions_or_indexes
{
$$ = new ExpressionTreeArrayElement (foam->GetParsingData (), $1, *$2);
}
| ATTRIBUTE_ID
{
$$ = new ExpressionTreeVariable (foam->GetParsingData (), $1);
}
/* Function calls */
| IDENTIFIER '(' non_const_expr ')'
{
$$ = new ExpressionTreeUnaryFunction (foam->GetParsingData (), $1, $3);
}
| IDENTIFIER '(' non_const_expr ',' non_const_expr ')'
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $1, $3, $5);
}
/* Arithmetic operations */
| '-' non_const_expr %prec UMINUS
{
$$ = new ExpressionTreeUnaryFunction (foam->GetParsingData (), $1, $2);
}
| non_const_expr '+' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '-' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '*' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '/' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '^' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
/* Comparisions */
| non_const_expr '>' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr GE non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '<' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr LE non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
/* Logical operations */
| '!' non_const_expr
{
$$ = new ExpressionTreeUnaryFunction (foam->GetParsingData (), $1, $2);
}
| non_const_expr AND non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr OR non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
/* Other expressions */
| '(' non_const_expr ')'
{
$$ = $2;
}
| non_const_expr '=' non_const_expr
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $2, $1, $3);
}
| non_const_expr '?' non_const_expr ':' non_const_expr
{
$$ = new ExpressionTreeConditional (foam->GetParsingData (), $1, $3, $5);
}
/* differs from expr in respect to the method_value rule */
method_expr
: number
{
$$ = new ExpressionTreeNumber (foam->GetParsingData (), $1);
}
| IDENTIFIER
{
$$ = new ExpressionTreeVariable (foam->GetParsingData (), $1);
}
/* Array values */
| IDENTIFIER array_dimensions_or_indexes
{
$$ = new ExpressionTreeArrayElement (foam->GetParsingData (), $1, *$2);
}
| method_value
{
$$ = new ExpressionTreeNumber (foam->GetParsingData (), $1);
}
/* Function calls */
| IDENTIFIER '(' method_expr ')'
{
$$ = new ExpressionTreeUnaryFunction (foam->GetParsingData (), $1, $3);
}
| IDENTIFIER '(' method_expr ',' method_expr ')'
{
$$ = new ExpressionTreeBinaryFunction (foam->GetParsingData (), $1, $3, $5);
}
/* Arithmetic operations */
| '-' method_expr %prec UMINUS
{
$$ = new ExpressionTreeUnaryFunction (foam->GetParsingData (), $1, $2);
}