64 lines
992 B
Go
64 lines
992 B
Go
package object
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import (
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"bytes"
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"monkey/internal/ast"
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"strings"
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)
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type Function struct {
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Parameters []*ast.Identifier
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Body *ast.BlockStatement
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Env *Environment
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}
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func (f Function) Bool() bool {
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return false
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}
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func (f Function) Type() Type {
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return FunctionType
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}
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func (f Function) Inspect() string {
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var out bytes.Buffer
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params := []string{}
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for _, p := range f.Parameters {
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params = append(params, p.String())
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}
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out.WriteString("fn")
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out.WriteString("(")
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out.WriteString(strings.Join(params, ", "))
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out.WriteString(") {\n")
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out.WriteString(f.Body.String())
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out.WriteString("\n}")
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return out.String()
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}
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func (f Function) String() string {
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return f.Inspect()
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}
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type ReturnValue struct {
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Value Object
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}
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func (rv ReturnValue) Bool() bool {
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return true
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}
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func (rv ReturnValue) Type() Type {
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return ReturnType
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}
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func (rv ReturnValue) Inspect() string {
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return rv.Value.Inspect()
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}
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func (rv ReturnValue) String() string {
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return rv.Inspect()
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}
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