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mon-entreprise/source/engine/grammar.ne
Mael ced2a37490 ⚙️ Grammaire d'expressions plus complexe
Elle permet des opérations chainées.
On peut maintenant faire formule: 3 + 5 + 6
Ou 3 * (ma variable + 4)
2019-06-04 16:38:09 +02:00

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# Pour éditer ou comprendre ce fichier, utilisez l'éditeur web Nearley : https://omrelli.ug/nearley-playground/
main ->
AS {% id %}
| Comparison {% id %}
| NonNumericTerminal {% id %}
NumericTerminal ->
Variable {% id %}
| TemporalVariable {% id %}
| FilteredVariable {% id %}
| percentage {% id %}
| number {% id %}
# Parentheses
P -> "(" _ AS _ ")" {% function(d) {return {category:'parentheses', explanation: d[2]}} %}
| NumericTerminal {% id %}
Comparison -> Comparable _ ComparisonOperator _ Comparable {% d => ({
category: 'comparison',
type: 'boolean',
operator: d[2][0],
explanation: [d[0], d[4]]
}) %}
Comparable -> ( AS | NonNumericTerminal) {% d => d[0][0] %}
NonNumericTerminal ->
Boolean {% id %}
| String {% id %}
| NegatedVariable {% id %}
ComparisonOperator -> ">" | "<" | ">=" | "<=" | "=" | "!="
NegatedVariable -> "≠" _ Variable {% d => ({category: 'negatedVariable', variable: d[2] }) %}
FilteredVariable -> Variable _ Filter {% d => ({category: 'variable', filter: d[2], variable: d[0] }) %}
Filter -> "(" VariableFragment ")" {% d =>d[1] %}
TemporalVariable -> Variable _ TemporalTransform {% d => ({...d[0], temporalTransform: d[2] }) %}
TemporalTransform -> "[" Temporalities "]" {% d =>d[1] %}
Temporalities -> "annuel" | "mensuel" {% id %}
#-----
# Addition and subtraction
AS -> AS _ ASOperator _ MD {% d => ({
category: 'calcExpression',
operator: d[2],
explanation: [d[0], d[4]],
type: 'numeric'
}) %}
| MD {% id %}
ASOperator -> "+" {% id %}
| "-" {% id %}
MDOperator -> "*" {% id %}
| "/" {% id %}
# Multiplication and division
MD -> MD _ MDOperator _ P {% d => ({
category: 'calcExpression',
operator: d[2],
explanation: [d[0], d[4]],
type: 'numeric'
}) %}
| P {% id %}
Term -> Variable {% id %}
| FilteredVariable {% id %}
| number {% id %}
| percentage {% id %}
Variable -> VariableFragment (_ Dot _ VariableFragment {% d => d[3] %}):* {% d => ({
category: 'variable',
fragments: [d[0], ...d[1]],
type: 'numeric | boolean'
}) %}
String -> "'" [ .'a-zA-Z\-\u00C0-\u017F ]:+ "'" {% d => ({
category: 'value',
type: 'string',
nodeValue: d[1].join('')
}) %}
VariableFragment -> VariableWord (_ VariableWord {% d=> ' ' + d[1] %}):* {% d => d[0] + d[1].join('') %}
VariableWord -> [a-zA-Z\u00C0-\u017F] [\-'a-zA-Z\u00C0-\u017F]:* {% d => d[0] + d[1].join('') %}
Dot -> [\.] {% d => null %}
_ -> [\s] {% d => null %}
number -> [0-9]:+ ([\.] [0-9]:+):? {% d => ({category: 'value', nodeValue: parseFloat(d[0].join("")+(d[1]?(d[1][0]+d[1][1].join("")):""))}) %}
percentage -> [0-9]:+ ([\.] [0-9]:+):? [\%] {% d => ({category: 'percentage', nodeValue: parseFloat(d[0].join("")+(d[1]?(d[1][0]+d[1][1].join("")):""))/100}) %}
Boolean -> "oui" {% d=> ({category: 'boolean', nodeValue: true}) %}
| "non" {% d=> ({category: 'boolean', nodeValue: false}) %}