96 lines
2.0 KiB
Go
96 lines
2.0 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"logik/aussagenlogik/rekursion"
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"logik/aussagenlogik/schema"
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"logik/aussagenlogik/syntaxbaum"
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env "logik/core/environment"
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"strings"
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"github.com/lithammer/dedent"
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)
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var DATA_ENV string = "data.env"
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type dataType struct {
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expr string
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interpretation []string
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}
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type resultsType struct {
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eval int
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atoms []string
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depth int
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length int
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nParentheses int
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}
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var data dataType
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func main() {
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// Extrahiere Daten
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err := getData()
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if err != nil {
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return
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}
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// Ausdruck -> Syntaxbaum
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tree, err := schema.ParseExpr(data.expr)
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if err != nil {
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return
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}
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// Methoden ausführen:
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results := resultsType{
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eval: rekursion.RekursivEval(tree, data.interpretation),
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atoms: rekursion.RekursivAtoms(tree),
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depth: rekursion.RekursivDepth(tree),
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length: rekursion.RekursivLength(tree),
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nParentheses: rekursion.RekursivParentheses(tree),
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}
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// Resultate anzeigen:
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displayResults(tree, results)
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// SONSTIGE METHODEN
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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func getData() error {
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env.ENV_FILE_NAME = DATA_ENV
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data.expr = env.ReadEnvKey("expr")
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s := env.ReadEnvKey("interpretation")
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err := json.Unmarshal([]byte(s), &data.interpretation)
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return err
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}
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func displayResults(tree syntaxbaum.SyntaxBaum, results resultsType) {
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fmt.Println(fmt.Sprintf(
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dedent.Dedent(`
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Syntaxbaum von
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F := %[1]s:
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%[2]s
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Für I = {%[3]s} und F wie oben gilt
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eval(F, I) = %[4]d;
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atoms(F) = {%[5]s}; <- *
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depth(F) = %[6]d; <- *
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length(F) = %[7]d; <- *
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#parentheses(F) = %[8]d; <- *
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* noch nicht implementiert!
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Challenge: schreibe diese Methoden! (siehe README.md)
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`),
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tree.Expr,
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tree.Pretty(" "),
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strings.Join(data.interpretation, ", "),
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results.eval,
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// string(results.atoms),
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strings.Join(results.atoms, ", "),
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results.depth,
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results.length,
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results.nParentheses,
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))
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}
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