transpiler

transpiler.go

@@ -0,0 +1,94 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+type wmap [2]string
+
+var wyst_map []wmap
+
+func TranspileToken(node ASTNode) string {
+	res := ""
+	switch node.Rule {
+
+	case "NUMBER":
+		res += node.Text
+	case "IDENTIFIER":
+		for _, i := range wyst_map {
+			if node.Text == i[0] {
+				return i[1]
+			}
+		}
+		res += "_0x"
+		for _, c := range node.Text {
+			if c == ':' || c == '.' {
+				res += string(c)
+			} else {
+				res += fmt.Sprintf("%x", c)
+			}
+		}
+	case "HEX":
+		res += node.Text
+	case "MATH":
+		res += node.Text
+	case "STRING":
+		res += node.Text
+	case "';'":
+		res += "\n  "
+	default:
+		fmt.Printf("\x1b[33mDEV NOTICE:\x1b[0m Missing token case for '%s'\n", node.Rule)
+
+	}
+
+	return res
+}
+
+func TranspileNode(node ASTNode) string {
+	res := ""
+	if node.Rule == strings.ToUpper(node.Rule) {
+		return TranspileToken(node)
+	}
+	switch node.Rule {
+
+	case "func_def":
+		res += fmt.Sprintf("func %s%s %s %s", TranspileNode(node.Inner[1]), TranspileNode(node.Inner[2]), TranspileNode(node.Inner[0]), TranspileNode(node.Inner[3]))
+	case "expr":
+		res += TranspileNodes(node.Inner)
+	case "code_block":
+		res += "{\n  "
+		res += strings.TrimSuffix(TranspileNodes(node.Inner), " ")
+		res += "}\n"
+	case "var_def":
+		res += fmt.Sprintf("var %s %s", TranspileNode(node.Inner[1]), TranspileNode(node.Inner[0]))
+	case "round_def":
+		res += "("
+		res += strings.TrimSuffix(strings.ReplaceAll(TranspileNodes(node.Inner), "var ", ""), " ")
+		res += ")"
+	case "asm":
+		if node.Inner[0].Text == "map" && len(node.Inner) == 4 {
+			wyst_map = append(wyst_map, wmap{node.Inner[1].Text, node.Inner[2].Text})
+		}
+
+	default:
+		fmt.Printf("\x1b[33mDEV NOTICE:\x1b[0m Missing case for '%s'\n", node.Rule)
+
+	}
+	return res
+}
+
+func TranspileNodes(nodes []ASTNode) string {
+	res := ""
+	for i := 0; i < len(nodes); i++ {
+		res += TranspileNode(nodes[i])
+	}
+	return res
+}
+
+func Transpile(code string) string {
+	ast := Parse(code)
+	res := TranspileNodes(ast.Inner)
+	// fmt.Printf("%v", ast)
+	return res
+}