grammar.AlgorithmParser.g4 Maven / Gradle / Ivy

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Autoconfig module for Mork, allows to automatically select best parameters configuration and test different algorithm components combinations without user input

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// Example: MULTISTART{iter=100, alg=SANNEAL{initialTemp=400, constructive=GRASP{alpha=0.5}}}
parser grammar AlgorithmParser;
options
{
   tokenVocab = AlgorithmLexer;
}

init: component;

component: IDENT LBRCE properties? RBRCE;

properties: property (COMMA property)*;

property: IDENT EQ propertyValue;

// Allow optional {} after literal values to simplify algorithm reconstruction
propertyValue: literal (LBRCE RBRCE)? | component;

literal: NullLiteral | BooleanLiteral | FloatingPointLiteral | IntegerLiteral | StringLiteral | CharacterLiteral | arrayLiteral;


// Only allow arrays as literals of the same type value
arrayLiteral:
LBRCK RBRCK |
LBRCK IntegerLiteral (COMMA IntegerLiteral)* RBRCK |
LBRCK FloatingPointLiteral (COMMA FloatingPointLiteral)* RBRCK |
LBRCK BooleanLiteral (COMMA BooleanLiteral)* RBRCK |
LBRCK CharacterLiteral (COMMA CharacterLiteral)* RBRCK |
LBRCK StringLiteral (COMMA StringLiteral)* RBRCK;