master > master: codego initialisiert

codego/main.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"logik/aussagenlogik/rekursion"
+	"logik/aussagenlogik/schema"
+	"logik/aussagenlogik/syntaxbaum"
+	env "logik/core/environment"
+	"strings"
+
+	"github.com/lithammer/dedent"
+)
+
+var DATA_ENV string = "data.env"
+
+type dataType struct {
+	expr           string
+	interpretation []string
+}
+
+type resultsType struct {
+	eval         int
+	atoms        []string
+	depth        int
+	length       int
+	nParentheses int
+}
+
+var data dataType
+
+func main() {
+	// Extrahiere Daten
+	err := getData()
+	if err != nil {
+		return
+	}
+	// Ausdruck -> Syntaxbaum
+	tree, err := schema.ParseExpr(data.expr)
+	if err != nil {
+		return
+	}
+	// Methoden ausführen:
+	results := resultsType{
+		eval:         rekursion.RekursivEval(tree, data.interpretation),
+		atoms:        rekursion.RekursivAtoms(tree),
+		depth:        rekursion.RekursivDepth(tree),
+		length:       rekursion.RekursivLength(tree),
+		nParentheses: rekursion.RekursivParentheses(tree),
+	}
+	// Resultate anzeigen:
+	displayResults(tree, results)
+}
+
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// SONSTIGE METHODEN
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+func getData() error {
+	env.ENV_FILE_NAME = DATA_ENV
+	data.expr = env.ReadEnvKey("expr")
+	s := env.ReadEnvKey("interpretation")
+	err := json.Unmarshal([]byte(s), &data.interpretation)
+	return err
+}
+
+func displayResults(tree syntaxbaum.SyntaxBaum, results resultsType) {
+	fmt.Println(fmt.Sprintf(
+		dedent.Dedent(`
+		Syntaxbaum von
+		F := %[1]s:
+
+		%[2]s
+
+		Für I = {%[3]s} und F wie oben gilt
+		eval(F, I)      = %[4]d;
+		atoms(F)        = {%[5]s};  <- *
+		depth(F)        = %[6]d;  <- *
+		length(F)       = %[7]d;  <- *
+		#parentheses(F) = %[8]d;  <- *
+
+		* noch nicht implementiert!
+		Challenge: schreibe diese Methoden! (siehe README.md)
+		`),
+		tree.Expr,
+		tree.Pretty("    "),
+		strings.Join(data.interpretation, ", "),
+		results.eval,
+		// string(results.atoms),
+		strings.Join(results.atoms, ", "),
+		results.depth,
+		results.length,
+		results.nParentheses,
+	))
+}