git bindings v1.0

src/api/go/log.go

@@ -0,0 +1,67 @@
+// Copyright (c) Microsoft Corporation 2025
+// Z3 Go API: Logging functionality
+
+package z3
+
+/*
+#include "z3.h"
+#include <stdlib.h>
+*/
+import "C"
+import (
+	"sync"
+	"unsafe"
+)
+
+var (
+	logMutex  sync.Mutex
+	isLogOpen bool
+)
+
+// OpenLog opens an interaction log file
+// Returns true if successful, false otherwise
+func OpenLog(filename string) bool {
+	logMutex.Lock()
+	defer logMutex.Unlock()
+	
+	cFilename := C.CString(filename)
+	defer C.free(unsafe.Pointer(cFilename))
+	
+	result := C.Z3_open_log(cFilename)
+	if result != 0 {
+		isLogOpen = true
+		return true
+	}
+	return false
+}
+
+// CloseLog closes the interaction log
+func CloseLog() {
+	logMutex.Lock()
+	defer logMutex.Unlock()
+	
+	C.Z3_close_log()
+	isLogOpen = false
+}
+
+// AppendLog appends a user-provided string to the interaction log
+// Panics if the log is not open
+func AppendLog(s string) {
+	logMutex.Lock()
+	defer logMutex.Unlock()
+	
+	if !isLogOpen {
+		panic("Log is not open")
+	}
+	
+	cStr := C.CString(s)
+	defer C.free(unsafe.Pointer(cStr))
+	C.Z3_append_log(cStr)
+}
+
+// IsLogOpen returns true if the interaction log is open
+func IsLogOpen() bool {
+	logMutex.Lock()
+	defer logMutex.Unlock()
+	return isLogOpen
+}