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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 2.4.1 | ||
| 2.4.2 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "syscall/js" | ||
|
|
||
| "github.com/abs-lang/abs/evaluator" | ||
| "github.com/abs-lang/abs/lexer" | ||
| "github.com/abs-lang/abs/object" | ||
| "github.com/abs-lang/abs/parser" | ||
| ) | ||
|
|
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| // Version of the ABS interpreter | ||
| var Version = "dev" | ||
|
|
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| // This function takes ABS code | ||
| // and evaluates it, using a buffer | ||
| // to store it's output. | ||
| // Once the code is evaluated, both | ||
| // the output and the return value of | ||
| // the script are returned to js in the | ||
| // form of {out, result}. | ||
| func runCode(this js.Value, i []js.Value) interface{} { | ||
| m := make(map[string]interface{}) | ||
| var buf bytes.Buffer | ||
| // the first argument to our function | ||
| code := i[0].String() | ||
| env := object.NewEnvironment(&buf, "", Version) | ||
| lex := lexer.New(code) | ||
| p := parser.New(lex) | ||
|
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| program := p.ParseProgram() | ||
|
|
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| if len(p.Errors()) != 0 { | ||
| printParserErrors(p.Errors(), buf) | ||
| m["out"] = buf.String() | ||
| return js.ValueOf(m) | ||
| } | ||
|
|
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| result := evaluator.BeginEval(program, env, lex) | ||
| m["out"] = buf.String() | ||
| m["result"] = result.Inspect() | ||
|
|
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| return js.ValueOf(m) | ||
| } | ||
|
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| func printParserErrors(errors []string, buf bytes.Buffer) { | ||
| fmt.Fprintf(&buf, "%s", " parser errors:\n") | ||
| for _, msg := range errors { | ||
| fmt.Fprintf(&buf, "%s", "\t"+msg+"\n") | ||
| } | ||
| } | ||
|
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| func main() { | ||
| c := make(chan struct{}, 0) | ||
| js.Global().Set("abs_run_code", js.FuncOf(runCode)) | ||
| <-c | ||
| } |