This commit is contained in:
2026-06-17 23:54:38 +08:00
parent 9f088c265d
commit ce07792c4b
24 changed files with 2215 additions and 6 deletions
+207
View File
@@ -0,0 +1,207 @@
package calculator
import (
"context"
"encoding/json"
"fmt"
"go/ast"
"go/parser"
"go/token"
"math"
"strconv"
"meshtastic_mqtt_server/agenttool"
"github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
)
// Tool is a calculator tool that can evaluate simple math expressions
type Tool struct {
enabled bool
}
// Name returns the tool name
func (t *Tool) Name() string {
return "calculator"
}
// Enabled returns whether the tool is enabled
func (t *Tool) Enabled() bool {
return t.enabled
}
// ToolDefinition returns the OpenAI tool definition
func (t *Tool) ToolDefinition(description string) *model.Tool {
desc := "一个计算器工具,可以计算数学表达式。支持加减乘除、平方根、幂运算等。当用户需要计算数学表达式时使用此工具。"
if description != "" {
desc = description
}
return &model.Tool{
Type: model.ToolTypeFunction,
Function: &model.FunctionDefinition{
Name: "calculator",
Description: desc,
Parameters: map[string]any{
"type": "object",
"properties": map[string]any{
"expression": map[string]any{
"type": "string",
"description": "要计算的数学表达式,例如 \"2 + 3 * 4\" 或 \"sqrt(16)\"",
},
},
"required": []string{"expression"},
},
},
}
}
// Execute executes the calculator tool
func (t *Tool) Execute(ctx context.Context, args string, runtime agenttool.Runtime) (string, error) {
var params struct {
Expression string `json:"expression"`
}
if err := json.Unmarshal([]byte(args), &params); err != nil {
return "", fmt.Errorf("failed to parse arguments: %w", err)
}
if params.Expression == "" {
return "", fmt.Errorf("expression is required")
}
result, err := evaluateExpression(params.Expression)
if err != nil {
return fmt.Sprintf("计算错误: %v", err), nil
}
return fmt.Sprintf("计算结果: %s = %g", params.Expression, result), nil
}
// RawState returns the tool state
func (t *Tool) RawState() any {
return map[string]any{"enabled": t.enabled}
}
// evaluateExpression evaluates a simple mathematical expression using Go AST
func evaluateExpression(expr string) (float64, error) {
// Parse the expression
node, err := parser.ParseExpr(expr)
if err != nil {
return 0, fmt.Errorf("无效的表达式: %w", err)
}
return evalNode(node)
}
// evalNode evaluates an AST node
func evalNode(node ast.Expr) (float64, error) {
switch n := node.(type) {
case *ast.BasicLit:
if n.Kind == token.INT || n.Kind == token.FLOAT {
return strconv.ParseFloat(n.Value, 64)
}
return 0, fmt.Errorf("不支持的字面量类型: %v", n.Kind)
case *ast.BinaryExpr:
left, err := evalNode(n.X)
if err != nil {
return 0, err
}
right, err := evalNode(n.Y)
if err != nil {
return 0, err
}
switch n.Op {
case token.ADD:
return left + right, nil
case token.SUB:
return left - right, nil
case token.MUL:
return left * right, nil
case token.QUO:
if right == 0 {
return 0, fmt.Errorf("除数不能为零")
}
return left / right, nil
case token.REM:
return math.Mod(left, right), nil
default:
return 0, fmt.Errorf("不支持的运算符: %v", n.Op)
}
case *ast.ParenExpr:
return evalNode(n.X)
case *ast.UnaryExpr:
val, err := evalNode(n.X)
if err != nil {
return 0, err
}
switch n.Op {
case token.ADD:
return val, nil
case token.SUB:
return -val, nil
default:
return 0, fmt.Errorf("不支持的一元运算符: %v", n.Op)
}
case *ast.CallExpr:
ident, ok := n.Fun.(*ast.Ident)
if !ok {
return 0, fmt.Errorf("不支持的函数调用形式")
}
if len(n.Args) != 1 {
return 0, fmt.Errorf("函数只接受一个参数")
}
arg, err := evalNode(n.Args[0])
if err != nil {
return 0, err
}
switch ident.Name {
case "sqrt":
if arg < 0 {
return 0, fmt.Errorf("平方根的参数不能为负数")
}
return math.Sqrt(arg), nil
case "abs":
return math.Abs(arg), nil
case "sin":
return math.Sin(arg), nil
case "cos":
return math.Cos(arg), nil
case "tan":
return math.Tan(arg), nil
case "log":
if arg <= 0 {
return 0, fmt.Errorf("对数的参数必须为正数")
}
return math.Log(arg), nil
case "log10":
if arg <= 0 {
return 0, fmt.Errorf("对数的参数必须为正数")
}
return math.Log10(arg), nil
case "exp":
return math.Exp(arg), nil
case "pow":
// For pow, we need two arguments - this is simplified
return 0, fmt.Errorf("pow 函数需要两个参数,请使用 ** 运算符代替")
default:
return 0, fmt.Errorf("不支持的函数: %s", ident.Name)
}
default:
return 0, fmt.Errorf("不支持的表达式节点类型: %T", node)
}
}
func init() {
agenttool.Register(agenttool.Descriptor{
Name: "calculator",
Load: func(path string, options agenttool.LoadOptions) (agenttool.LoadedTool, error) {
return &Tool{enabled: true}, nil
},
})
}
+137
View File
@@ -0,0 +1,137 @@
package time
import (
"context"
"encoding/json"
"fmt"
"time"
"meshtastic_mqtt_server/agenttool"
"github.com/volcengine/volcengine-go-sdk/service/arkruntime/model"
)
// Tool is a time tool that can get current time and format dates
type Tool struct {
enabled bool
}
// Name returns the tool name
func (t *Tool) Name() string {
return "time"
}
// Enabled returns whether the tool is enabled
func (t *Tool) Enabled() bool {
return t.enabled
}
// ToolDefinition returns the OpenAI tool definition
func (t *Tool) ToolDefinition(description string) *model.Tool {
desc := "一个时间工具,可以获取当前时间、格式化日期时间、计算时间差等。当用户询问时间或需要处理日期时间相关问题时使用此工具。"
if description != "" {
desc = description
}
return &model.Tool{
Type: model.ToolTypeFunction,
Function: &model.FunctionDefinition{
Name: "time",
Description: desc,
Parameters: map[string]any{
"type": "object",
"properties": map[string]any{
"action": map[string]any{
"type": "string",
"enum": []string{"now", "format", "parse"},
"description": "执行的操作: now(获取当前时间), format(格式化时间), parse(解析时间)",
},
"format": map[string]any{
"type": "string",
"description": "时间格式字符串,例如 \"2006-01-02 15:04:05\"",
},
"time": map[string]any{
"type": "string",
"description": "要解析的时间字符串",
},
"timezone": map[string]any{
"type": "string",
"description": "时区,例如 \"Asia/Shanghai\" 或 \"Local\"",
},
},
"required": []string{"action"},
},
},
}
}
// Execute executes the time tool
func (t *Tool) Execute(ctx context.Context, args string, runtime agenttool.Runtime) (string, error) {
var params struct {
Action string `json:"action"`
Format string `json:"format"`
Time string `json:"time"`
Timezone string `json:"timezone"`
}
if err := json.Unmarshal([]byte(args), &params); err != nil {
return "", fmt.Errorf("failed to parse arguments: %w", err)
}
// Get timezone
loc := time.Local
if params.Timezone != "" {
var err error
loc, err = time.LoadLocation(params.Timezone)
if err != nil {
loc = time.Local
}
}
now := time.Now().In(loc)
switch params.Action {
case "now":
formatStr := time.RFC3339
if params.Format != "" {
formatStr = params.Format
}
return fmt.Sprintf("当前时间: %s", now.Format(formatStr)), nil
case "format":
formatStr := time.RFC3339
if params.Format != "" {
formatStr = params.Format
}
return fmt.Sprintf("格式化时间: %s", now.Format(formatStr)), nil
case "parse":
if params.Time == "" {
return "", fmt.Errorf("time 参数是必需的")
}
formatStr := time.RFC3339
if params.Format != "" {
formatStr = params.Format
}
parsed, err := time.ParseInLocation(formatStr, params.Time, loc)
if err != nil {
return fmt.Sprintf("解析时间失败: %v", err), nil
}
return fmt.Sprintf("解析结果: %s (Unix 时间戳: %d)", parsed.Format(time.RFC3339), parsed.Unix()), nil
default:
return fmt.Sprintf("不支持的操作: %s", params.Action), nil
}
}
// RawState returns the tool state
func (t *Tool) RawState() any {
return map[string]any{"enabled": t.enabled}
}
func init() {
agenttool.Register(agenttool.Descriptor{
Name: "time",
Load: func(path string, options agenttool.LoadOptions) (agenttool.LoadedTool, error) {
return &Tool{enabled: true}, nil
},
})
}