Improved variable lifetime tracking

src/build/Function.go

@@ -1,6 +1,8 @@
 package build
 
 import (
+	"fmt"
+
 	"git.akyoto.dev/cli/q/src/build/config"
 	"git.akyoto.dev/cli/q/src/build/expression"
 	"git.akyoto.dev/cli/q/src/build/fs"
@@ -44,6 +46,10 @@ func (f *Function) CompileTokens(body token.List) error {
 			instruction := body[start:i]
 
 			if config.Verbose {
+				f.Logf("compiling: %s", instruction)
+			}
+
+			if config.Assembler {
 				f.debug = append(f.debug, debug{
 					position: len(f.assembler.Instructions),
 					source:   instruction,
@@ -108,6 +114,11 @@ func (f *Function) CompileInstruction(line token.List) error {
 	}
 }
 
+// Logf formats a message for verbose output.
+func (f *Function) Logf(format string, data ...any) {
+	fmt.Printf("[%s @ %d] %s\n", f, len(f.assembler.Instructions), fmt.Sprintf(format, data...))
+}
+
 // String returns the function name.
 func (f *Function) String() string {
 	return f.Name