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Diffstat (limited to 'parser/symbol.go')
-rw-r--r--parser/symbol.go23
1 files changed, 13 insertions, 10 deletions
diff --git a/parser/symbol.go b/parser/symbol.go
index d32bb59..d7c05f1 100644
--- a/parser/symbol.go
+++ b/parser/symbol.go
@@ -17,6 +17,8 @@ const (
symFunc // a Go function, located in the VM code
)
+const unsetAddr = -65535
+
type symbol struct {
kind symKind
index int // address of symbol in frame
@@ -29,6 +31,7 @@ type symbol struct {
func (p *Parser) AddSym(i int, name string, v any) { p.addSym(i, name, v, symValue, nil, false) }
func (p *Parser) addSym(i int, name string, v any, k symKind, t reflect.Type, local bool) {
+ name = strings.TrimPrefix(name, "/")
p.symbols[name] = &symbol{kind: k, index: i, local: local, value: v, Type: t, used: true}
}
@@ -52,17 +55,17 @@ func (p *Parser) getSym(name, scope string) (sym *symbol, sc string, ok bool) {
func initUniverse() map[string]*symbol {
return map[string]*symbol{
- "any": {kind: symType, index: -1, Type: reflect.TypeOf((*any)(nil)).Elem()},
- "bool": {kind: symType, index: -1, Type: reflect.TypeOf((*bool)(nil)).Elem()},
- "error": {kind: symType, index: -1, Type: reflect.TypeOf((*error)(nil)).Elem()},
- "int": {kind: symType, index: -1, Type: reflect.TypeOf((*int)(nil)).Elem()},
- "string": {kind: symType, index: -1, Type: reflect.TypeOf((*string)(nil)).Elem()},
+ "any": {kind: symType, index: unsetAddr, Type: reflect.TypeOf((*any)(nil)).Elem()},
+ "bool": {kind: symType, index: unsetAddr, Type: reflect.TypeOf((*bool)(nil)).Elem()},
+ "error": {kind: symType, index: unsetAddr, Type: reflect.TypeOf((*error)(nil)).Elem()},
+ "int": {kind: symType, index: unsetAddr, Type: reflect.TypeOf((*int)(nil)).Elem()},
+ "string": {kind: symType, index: unsetAddr, Type: reflect.TypeOf((*string)(nil)).Elem()},
- "nil": {index: -1},
- "iota": {index: -1, value: 0},
- "true": {index: -1, value: true, Type: reflect.TypeOf(true)},
- "false": {index: -1, value: false, Type: reflect.TypeOf(false)},
+ "nil": {index: unsetAddr},
+ "iota": {index: unsetAddr, value: 0},
+ "true": {index: unsetAddr, value: true, Type: reflect.TypeOf(true)},
+ "false": {index: unsetAddr, value: false, Type: reflect.TypeOf(false)},
- "println": {index: -1, value: func(v ...any) { fmt.Println(v...) }},
+ "println": {index: unsetAddr, value: func(v ...any) { fmt.Println(v...) }},
}
}