c/clang: castdump

c/clang/_demo/castdump/astdump.go

@@ -1,6 +1,9 @@
 package main
 
 import (
+	"fmt"
+	"os"
+
 	"github.com/goplus/llgo/c"
 	"github.com/goplus/llgo/c/clang"
 )
@@ -13,13 +16,21 @@ func visit(cursor, parent clang.Cursor, clientData c.Pointer) clang.ChildVisitRe
 
 func printAST(cursor clang.Cursor, depth c.Uint) {
 	cursorKind := cursor.Kind.String()
-	cursorSpelling := cursor.String()
+	println("cursor.Kind.String done")
+	c.Printf(c.Str("cursorKind = %s\n"), cursorKind.CStr())
+
+	cursorSpelling := clang.GetCursorSpelling(cursor) // cursor.String()
+	println("clang.GetCursorSpelling done")
 
 	for i := c.Uint(0); i < depth; i++ {
+		println("c.Fputs start")
 		c.Fputs(c.Str("  "), c.Stdout)
+		println("c.Fputs end")
 	}
 
+	println("c.Printf start")
 	c.Printf(c.Str("%s: %s\n"), cursorKind.CStr(), cursorSpelling.CStr())
+	println("c.Printf end")
 
 	cursorKind.Dispose()
 	cursorSpelling.Dispose()
@@ -28,13 +39,22 @@ func printAST(cursor clang.Cursor, depth c.Uint) {
 }
 
 func main() {
+	if c.Argc != 2 {
+		fmt.Fprintln(os.Stderr, "Usage: castdump <headerFile>")
+		return
+	}
+	sourceFile := *c.Advance(c.Argv, 1)
+
 	index := clang.CreateIndex(0, 0)
+	println("clang.CreateIndex done")
+
 	unit := index.ParseTranslationUnit(
-		c.Str("todo"),
+		sourceFile,
 		nil, 0,
 		nil, 0,
 		clang.TranslationUnit_None,
 	)
+	println("index.ParseTranslationUnit done")
 
 	if unit == nil {
 		println("Unable to parse translation unit. Quitting.")
@@ -42,6 +62,8 @@ func main() {
 	}
 
 	cursor := unit.Cursor()
+	println("unit.Cursor done")
+
 	printAST(cursor, 0)
 
 	unit.Dispose()