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Diffstat (limited to 'codegen/interpreter.go')
-rw-r--r--codegen/interpreter.go53
1 files changed, 0 insertions, 53 deletions
diff --git a/codegen/interpreter.go b/codegen/interpreter.go
deleted file mode 100644
index 18cc5f8..0000000
--- a/codegen/interpreter.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package codegen
-
-import (
- "os"
-
- "github.com/gnolang/parscan/parser"
- "github.com/gnolang/parscan/vm1"
-)
-
-const debug = true
-
-type Interpreter struct {
- *parser.Parser
- *Compiler
- *vm1.Machine
-}
-
-func NewInterpreter(p *parser.Parser) *Interpreter {
- return &Interpreter{p, NewCompiler(), &vm1.Machine{}}
-}
-
-func (i *Interpreter) Eval(src string) (res any, err error) {
- n := &parser.Node{}
- if n.Child, err = i.Parse(src, n); err != nil {
- return res, err
- }
- if debug {
- n.Dot(os.Getenv("DOT"), "")
- }
- codeOffset := len(i.Code)
- dataOffset := 0
- if codeOffset > 0 {
- // All data must be copied to the VM the first time only (re-entrance).
- dataOffset = len(i.Data)
- }
- i.PopExit() // Remove last exit from previous run (re-entrance).
- if err = i.CodeGen(n); err != nil {
- return res, err
- }
- i.Push(i.Data[dataOffset:]...)
- i.PushCode(i.Code[codeOffset:]...)
- i.PushCode([]int64{0, vm1.Exit})
- i.SetIP(max(codeOffset, i.Entry))
- err = i.Run()
- return i.Top(), err
-}
-
-func max(a, b int) int {
- if a > b {
- return a
- }
- return b
-}