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-rw-r--r--examples/basic.tnsl17
-rw-r--r--src/texec/eval.go171
-rw-r--r--src/tparse/tree-statement.go5
3 files changed, 158 insertions, 35 deletions
diff --git a/examples/basic.tnsl b/examples/basic.tnsl
index 71d784d..b19532f 100644
--- a/examples/basic.tnsl
+++ b/examples/basic.tnsl
@@ -1,3 +1,18 @@
/; main [int]
- ;return 0
+
+ ;int i = 0
+ ;float f = 0.25
+
+ /; loop (i < 2)
+
+ ;i = i + 1
+
+ /; if (f < 1)
+
+ ;i = i + 1
+ ;break
+ ;/
+ ;/
+
+ ;return i
;/
diff --git a/src/texec/eval.go b/src/texec/eval.go
index 50e1bf3..2da654a 100644
--- a/src/texec/eval.go
+++ b/src/texec/eval.go
@@ -435,7 +435,7 @@ func getLiteralType(v tparse.Node) TType {
return tStruct
} else if v.Data.Data == "true" || v.Data.Data == "false" {
return tBool
- } else if v.Data.Data[0] == '0' {
+ } else if len(v.Data.Data) > 2 && v.Data.Data[0] == '0' && v.Data.Data[1] != '.' {
return tInt
} else {
return tFloat
@@ -593,6 +593,8 @@ func resolveArtifactCall(a TArtifact, params []TVariable) TVariable {
}
}
+
+
return null
}
@@ -659,6 +661,11 @@ func evalIndex(n tparse.Node, v *TVariable) *interface{} {
return out
}
+// Evaluate Call and Index
+func evalCAI(v tparse.Node, art TArtifact, ctx *VarMap) *TVariable {
+ return &null
+}
+
func evalDotChain(v tparse.Node, ctx *VarMap, wk *TVariable) *TVariable {
var wrvm *VarMap
wrvm = ctx
@@ -708,6 +715,20 @@ func setVal(v tparse.Node, ctx *VarMap, val *TVariable) *TVariable {
}
var set *interface{} = &(wrk.Data)
+
+ for ;; {
+ if len(vwk.Sub) > 0 {
+
+ }
+
+ if v.Data.Data == "." {
+ vwk = v.Sub[0]
+
+ continue
+ }
+
+ break
+ }
(*set) = convertValPS((*wrk).Type, 0, val.Data)
@@ -735,19 +756,7 @@ func evalValue(v tparse.Node, ctx *VarMap) *TVariable {
return &TVariable{t, getLiteral(v, t)}
case tparse.DEFWORD:
if len(v.Sub) > 0 {
- if v.Sub[0].Data.Data == "index" {
- return evalIndex(v, resolveArtifact(TArtifact{[]string{}, v.Data.Data}, ctx))
- } else if v.Sub[0].Data.Data == "call" {
- params := []TVariable{}
-
- for i := 0; i < len(v.Sub[0].Sub); i++ {
- params = append(params, *evalValue(v.Sub[0].Sub[i], ctx))
- }
-
- out := evalBlock(*searchNode(TArtifact{[]string{}, v.Data.Data}), params)
-
- return &out
- }
+ return evalCAI(v, TArtifact{[]string{}, v.Data.Data}, ctx)
}
return resolveArtifact(TArtifact{[]string{}, v.Data.Data}, ctx)
@@ -835,17 +844,123 @@ func evalDef(v tparse.Node, ctx *VarMap) {
}
// Eval a control flow
-func evalCF(v tparse.Node, ctx *VarMap) (bool, TVariable) {
- //scopeVars := []string{}
- return false, null
+func evalCF(v tparse.Node, ctx *VarMap) (bool, TVariable, int) {
+
+ loop := true
+ cond := tparse.Node{tparse.Token{tparse.LITERAL, "true", -1, -1}, []tparse.Node{}}
+ var after *tparse.Node = nil
+
+ if v.Sub[0].Data.Data == "bdef" {
+ var before *tparse.Node
+
+ for i := 0; i < len(v.Sub[0].Sub); i++ {
+ switch v.Sub[0].Sub[i].Data.Data {
+ case "if":
+ loop = false
+ case "()":
+ before = &(v.Sub[0].Sub[i])
+ case "[]":
+ after = &(v.Sub[0].Sub[i])
+ }
+ }
+
+ for i := 0; i < len(before.Sub); i++ {
+ switch before.Sub[i].Data.Data {
+ case "define":
+ evalDef(before.Sub[i], ctx)
+ case "value":
+ val := *evalValue(before.Sub[i].Sub[0], ctx)
+ if i == len(before.Sub) - 1 && equateType(val.Type, tBool) {
+ cond = before.Sub[i].Sub[0]
+ }
+ }
+ }
+ }
+
+ for ; evalValue(cond, ctx).Data.(bool) ; {
+ fmt.Println("Looping!")
+ for i := 0; i < len(v.Sub); i++ {
+ switch v.Sub[i].Data.Data {
+ case "define":
+ evalDef(v.Sub[i], ctx)
+ case "value":
+ evalValue(v.Sub[i].Sub[0], ctx)
+ case "block":
+ ret, val, brk := evalCF(v.Sub[i], ctx)
+ if ret {
+ return ret, val, 0
+ } else if brk < 0 {
+ if brk < -1 {
+ return false, null, brk + 1
+ }
+ goto CONCF
+ } else if brk > 0 {
+ return false, null, brk - 1
+ }
+ case "return":
+ if len(v.Sub[i].Sub) > 0 {
+ return true, *evalValue(v.Sub[i].Sub[0], ctx), 0
+ }
+ return true, null, 0
+ case "break":
+ brk := 1
+ if len(v.Sub[i].Sub) > 0 {
+ brk = getIntLiteral(v.Sub[i].Sub[0])
+ }
+ if !loop {
+ return false, null, brk
+ }
+ return false, null, brk - 1
+ case "continue":
+ cont := 1
+ if len(v.Sub[i].Sub) > 0 {
+ cont = getIntLiteral(v.Sub[i].Sub[0])
+ }
+ if !loop {
+ return false, null, -cont
+ } else if cont == 1 {
+ goto CONCF
+ }
+ return false, null, 1 - cont
+ }
+ }
+
+ CONCF:
+
+ if after != nil {
+ for i := 0; i < len(after.Sub); i++ {
+ switch after.Sub[i].Data.Data {
+ case "define":
+ evalDef(after.Sub[i], ctx)
+ case "value":
+ val := *evalValue(after.Sub[i].Sub[0], ctx)
+ if i == len(after.Sub) - 1 && equateType(val.Type, tBool) {
+ cond = after.Sub[i].Sub[0]
+ }
+ }
+ }
+ }
+
+ if !loop {
+ break
+ }
+ }
+
+ return false, null, 0
}
-func evalParams(pd tparse.Node, params *[]TVariable, ctx *VarMap) {
+func evalParams(pd tparse.Node, params *[]TVariable, ctx *VarMap, method bool) {
if len(pd.Sub) == 0 {
return
}
cvt := getType(pd.Sub[0])
pi := 0
+
+ if method {
+ (*ctx)["self"] = &(*params)[0]
+ pi = 1
+ }
+
for i := 1; i < len(pd.Sub); i++ {
if pd.Sub[i].Data.Type == 10 && pd.Sub[i].Data.Data == "type" {
cvt = getType(pd.Sub[i])
@@ -856,7 +971,7 @@ func evalParams(pd tparse.Node, params *[]TVariable, ctx *VarMap) {
}
}
-func evalBlock(b tparse.Node, params []TVariable) TVariable {
+func evalBlock(b tparse.Node, params []TVariable, method bool) TVariable {
ctx := make(VarMap)
var rty TType = tNull
@@ -866,7 +981,7 @@ func evalBlock(b tparse.Node, params []TVariable) TVariable {
if b.Sub[0].Sub[i].Data.Data == "[]" {
rty = getType(b.Sub[0].Sub[i])
} else if b.Sub[0].Sub[i].Data.Data == "()" {
- evalParams(b.Sub[0].Sub[i], &params, &ctx)
+ evalParams(b.Sub[0].Sub[i], &params, &ctx, method)
}
}
}
@@ -876,22 +991,14 @@ func evalBlock(b tparse.Node, params []TVariable) TVariable {
case "define":
evalDef(b.Sub[i], &ctx)
case "value":
- fmt.Println("--- Eval Value ---")
- fmt.Println(b.Sub[i].Sub[0])
- fmt.Println(*evalValue(b.Sub[i].Sub[0], &ctx))
- fmt.Println("--- End Value ---")
+ evalValue(b.Sub[i].Sub[0], &ctx)
case "block":
- ret, val := evalCF(b.Sub[i].Sub[0], &ctx)
+ ret, val, _ := evalCF(b.Sub[i], &ctx)
if ret {
return *convertVal(&val, rty)
}
case "return":
- fmt.Println("--- Block return ---")
- fmt.Println(b.Sub[i].Sub[0].Sub[0])
- ret := *evalValue(b.Sub[i].Sub[0].Sub[0], &ctx)
- fmt.Println(ret)
- fmt.Println("--- Return end ---")
- return *convertVal(&ret, rty)
+ return *convertVal(evalValue(b.Sub[i].Sub[0], &ctx), rty)
}
}
@@ -927,5 +1034,5 @@ func EvalTNSL(root *TModule, args string) TVariable {
fmt.Println(mainNode)
- return evalBlock(*mainNode, []TVariable{targ})
+ return evalBlock(*mainNode, []TVariable{targ}, false)
}
diff --git a/src/tparse/tree-statement.go b/src/tparse/tree-statement.go
index b4f891b..c88b102 100644
--- a/src/tparse/tree-statement.go
+++ b/src/tparse/tree-statement.go
@@ -241,9 +241,10 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) {
tok++
// Check for a numerical value and dip
case "return":
- if (*tokens)[tok].Type != DELIMIT || (*tokens)[tok].Data == "{" || (*tokens)[tok].Data == "(" {
- tmp, tok = parseValueList(tokens, tok, max)
+ if (*tokens)[tok].Type == LINESEP || (*tokens)[tok].Data == ";/" {
+ return out, tok
}
+ tmp, tok = parseValue(tokens, tok, max)
case "alloc", "salloc", "realloc":
// Parse value list
tmp, tok = parseValueList(tokens, tok, max)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:43:46 +0000