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-rw-r--r--src/texec/eval.go201
-rw-r--r--src/texec/world.go6
-rw-r--r--src/texec/worldbuilder.go2
3 files changed, 172 insertions, 37 deletions
diff --git a/src/texec/eval.go b/src/texec/eval.go
index 548a30a..7f18f49 100644
--- a/src/texec/eval.go
+++ b/src/texec/eval.go
@@ -36,23 +36,33 @@ import (
This subset should theoretically be enough to write a compiler.
*/
+var (
+ // Program to run
+ prog *TModule
+ // Current artifact
+ cart TArtifact
+
+ //Default null value
+ null = TVariable{tNull, nil}
+)
+
//################
//# Helper Funcs #
//################
// Error helper
-func errOut(msg string, place tparse.Token) {
+func errOut(msg string) {
fmt.Println("Error in eval:")
fmt.Println(msg)
- fmt.Println(place)
+ fmt.Println(cart)
panic("EVAL ERROR")
}
-func errOutCTX(msg string, place tparse.Token, ctx TContext) {
+func errOutCTX(msg string, ctx VarMap) {
fmt.Println("Error in eval:")
fmt.Println(msg)
- fmt.Println(place)
+ fmt.Println(cart)
fmt.Println(ctx)
panic("EVAL ERROR")
}
@@ -83,6 +93,12 @@ func getBlockName(block tparse.Node) []string {
out = append(out, block.Sub[0].Sub[i].Data.Data)
} else if block.Sub[0].Sub[i].Data.Data == "method" {
out = append(out, block.Sub[0].Sub[i].Sub[0].Data.Data)
+ } else if block.Sub[0].Sub[i].Data.Type == tparse.KEYWORD {
+ switch block.Sub[0].Sub[i].Data.Data {
+ case "if", "elif", "else", "loop", "match", "case", "default":
+ out = append(out, block.Sub[0].Sub[i].Data.Data)
+ default:
+ }
}
}
fmt.Println(out)
@@ -113,9 +129,8 @@ func getNames(root tparse.Node) []string {
return []string{}
}
-// Find an artifact from a path and the root node
-func getArtifact(a TArtifact, root *TModule) *tparse.Node {
- mod := root
+func getModule(a TArtifact) *TModule {
+ mod := prog
for i := 0; i < len(a.Path); i++ {
for j := 0; j < len(mod.Sub); j++ {
@@ -123,9 +138,59 @@ func getArtifact(a TArtifact, root *TModule) *tparse.Node {
mod = &(mod.Sub[j])
break
}
+ if j + 1 == len(mod.Sub) {
+ errOut(fmt.Sprintf("Failed to find module %v", a))
+ }
+ }
+ }
+
+ return mod
+}
+
+func getModuleRelative(mod *TModule, a TArtifact) *TModule {
+ for i := 0; i < len(a.Path); i++ {
+ for j := 0; j < len(mod.Sub); j++ {
+ if mod.Sub[j].Name == a.Path[i] {
+ mod = &(mod.Sub[j])
+ break
+ }
+ if j + 1 == len(mod.Sub) {
+ return nil
+ }
}
}
+ return mod
+}
+
+func getModuleInPath(m int) *TModule {
+ mod := prog
+
+ if m > len(cart.Path) {
+ m = len(cart.Path)
+ } else if m <= 0 {
+ return mod
+ }
+
+ for i := 0; i < m; i++ {
+ for j := 0; j < len(mod.Sub); j++ {
+ if mod.Sub[j].Name == cart.Path[i] {
+ mod = &(mod.Sub[j])
+ break
+ }
+ if j + 1 == len(mod.Sub) {
+ errOut(fmt.Sprintf("Failed to find module %d in path %v", m, cart))
+ }
+ }
+ }
+
+ return mod
+}
+
+// Find an artifact from a path and the root node
+func getNode(a TArtifact) *tparse.Node {
+ mod := getModule(a)
+
for i := 0; i < len(mod.Artifacts); i++ {
n := getNames(mod.Artifacts[i])
for j := 0; j < len(n); j++ {
@@ -135,9 +200,74 @@ func getArtifact(a TArtifact, root *TModule) *tparse.Node {
}
}
+ errOut(fmt.Sprintf("Failed to find node %v", a))
+ return nil
+}
+
+func getNodeRelative(s TArtifact) *tparse.Node {
+
+ for i := len(cart.Path); i >= 0; i-- {
+ tmpmod := getModuleRelative(getModuleInPath(i), s)
+ if tmpmod == nil {
+ continue
+ }
+
+ for i := 0; i < len(tmpmod.Artifacts); i++ {
+ n := getNames(tmpmod.Artifacts[i])
+ for j := 0; j < len(n); j++ {
+ if n[j] == s.Name {
+ return &(tmpmod.Artifacts[i])
+ }
+ }
+ }
+ }
+
+ errOut(fmt.Sprintf("Failed to find node %v", s))
return nil
}
+func getModDefRelative(s TArtifact) TVariable {
+
+ for i := len(cart.Path); i >= 0; i-- {
+ tmpmod := getModuleRelative(getModuleInPath(i), s)
+ if tmpmod == nil {
+ continue
+ }
+
+ def, prs := tmpmod.Defs[s.Name]
+
+ if prs {
+ return def
+ }
+ }
+
+ errOut(fmt.Sprintf("Failed to resolve mod def artifact %v", s))
+ return null
+}
+
+// Returns a mod definition, requires a resolved artifact
+func getModDef(a TArtifact) TVariable {
+ mod := prog
+
+ for i := 0; i < len(a.Path); i++ {
+ for j := 0; j < len(mod.Sub); j++ {
+ if mod.Sub[j].Name == a.Path[i] {
+ mod = &(mod.Sub[j])
+ break
+ }
+ }
+ }
+
+ def, prs := mod.Defs[a.Name]
+
+ if prs {
+ return def
+ }
+
+ errOut(fmt.Sprintf("Failed to resolve mod def artifact %v", a))
+ return null
+}
+
// Type related stuff
// Checking type equality
@@ -234,7 +364,7 @@ func getStringLiteral(v tparse.Node) []byte {
str, err := strconv.Unquote(v.Data.Data)
if err != nil {
- errOut("Failed to parse string literal.", v.Data)
+ errOut(fmt.Sprintf("Failed to parse string literal %v", v.Data))
}
return []byte(str)
@@ -244,7 +374,7 @@ func getCharLiteral(v tparse.Node) byte {
val, mb, _, err := strconv.UnquoteChar(v.Data.Data, byte('\''))
if err != nil || mb == true{
- errOut("Failed to parse character as single byte.", v.Data)
+ errOut(fmt.Sprintf("Failed to parse character as single byte. %v", v.Data))
}
return byte(val)
@@ -254,7 +384,7 @@ func getIntLiteral(v tparse.Node) int {
i, err := strconv.ParseInt(v.Data.Data, 0, 64)
if err != nil {
- errOut("Failed to parse integer literal.", v.Data)
+ errOut(fmt.Sprintf("Failed to parse integer literal. %v", v.Data))
}
return int(i)
@@ -264,8 +394,18 @@ func getLiteralComposite(v tparse.Node) []interface{} {
out := []interface{}{}
for i := 0; i < len(v.Sub); i++ {
- getLiteral(v.Sub)
+ if v.Sub[i].Data.Data[0] == '"' {
+ out = append(out, getStringLiteral(v.Sub[i]))
+ } else if v.Sub[i].Data.Data[0] == '\'' {
+ out = append(out, getStringLiteral(v.Sub[i]))
+ } else if v.Sub[i].Data.Data == "comp" {
+ out = append(out, getLiteralComposite(v.Sub[i]))
+ } else {
+ out = append(out, getIntLiteral(v.Sub[i]))
+ }
}
+
+ return out
}
func getLiteral(v tparse.Node, t TType) interface{} {
@@ -278,11 +418,11 @@ func getLiteral(v tparse.Node, t TType) interface{} {
return getStringLiteral(v)
}
- return getLiteralComposite()
+ return getLiteralComposite(v)
}
func compositeToStruct(str TVariable, cmp []interface{}) VarMap {
- vars = str.Data.([]TVariable)
+ vars := str.Data.([]TVariable)
if len(vars) != len(cmp) {
return nil
}
@@ -290,7 +430,7 @@ func compositeToStruct(str TVariable, cmp []interface{}) VarMap {
out := make(VarMap)
for i:=0;i<len(vars);i++ {
- out[vars[i].Data.string] = TVariable{vars[i].Type, cmp[i]}
+ out[vars[i].Data.(string)] = TVariable{vars[i].Type, cmp[i]}
}
return out
@@ -305,10 +445,10 @@ func resolveModArtifact(a TArtifact) *TVariable {
}
func resolveArtifactCall(a TArtifact, params []TVariable) TVariable {
- return TVariable{tNull, nil}
+ return null
}
-func resolveArtifact(a TArtifact, ctx *TContext, root *TModule) *TVariable {
+func resolveArtifact(a TArtifact, ctx *VarMap) *TVariable {
return nil
}
@@ -319,31 +459,31 @@ func resolveArtifact(a TArtifact, ctx *TContext, root *TModule) *TVariable {
// Value statement parsing
// Parse a value node
-func evalValue(v tparse.Node, ctx *TContext) TVariable {
+func evalValue(v tparse.Node, ctx *VarMap) TVariable {
if v.Data.Data == "=" {
}
- return TVariable{tNull, nil}
+ return null
}
// Generate a value for a definition
-func evalDefVal(v tparse.Node, , ctx *TContext) {
+func evalDefVal(v tparse.Node, ctx *VarMap) {
}
// Eval a definition
-func evalDef(v tparse.Node, ctx *TContext) {
+func evalDef(v tparse.Node, ctx *VarMap) {
}
// Eval a control flow
-func evalCF(v tparse.Node, ctx *TContext) (bool, TVariable) {
+func evalCF(v tparse.Node, ctx *VarMap) (bool, TVariable) {
//scopeVars := []string{}
- return false, TVariable{tNull, nil}
+ return false, null
}
-func evalBlock(b tparse.Node, m TArtifact, params []TVariable) TVariable {
- ctx := TContext { m, make(VarMap) }
+func evalBlock(b tparse.Node, params []TVariable) TVariable {
+ ctx := make(VarMap)
for i := 0; i < len(b.Sub); i++ {
switch b.Sub[i].Data.Data {
@@ -361,10 +501,13 @@ func evalBlock(b tparse.Node, m TArtifact, params []TVariable) TVariable {
}
}
- return TVariable{tNull, nil}
+ return null
}
func EvalTNSL(root *TModule, args string) TVariable {
+ prog = root
+ cart = TArtifact { []string{}, "main" }
+
sarg := strings.Split(args, " ")
targ := TVariable {
@@ -374,11 +517,9 @@ func EvalTNSL(root *TModule, args string) TVariable {
"" },
sarg }
- mainArt := TArtifact { []string{}, "main" }
-
- mainNod := getArtifact(mainArt, root)
+ mainNod := getNode(cart)
fmt.Println(mainNod)
- return evalBlock(*mainNod, mainArt, []TVariable{targ})
-} \ No newline at end of file
+ return evalBlock(*mainNod, []TVariable{targ})
+}
diff --git a/src/texec/world.go b/src/texec/world.go
index d0435a0..7921a13 100644
--- a/src/texec/world.go
+++ b/src/texec/world.go
@@ -39,12 +39,6 @@ type TVariable struct {
type VarMap map[string]TVariable
-// TContext represents a single call context.
-type TContext struct {
- CallEnv TArtifact
- Vars VarMap
-}
-
// TModule represents a collection of files and sub-modules in a program
type TModule struct {
Name string
diff --git a/src/texec/worldbuilder.go b/src/texec/worldbuilder.go
index 20976ac..2f71e79 100644
--- a/src/texec/worldbuilder.go
+++ b/src/texec/worldbuilder.go
@@ -69,7 +69,7 @@ func modDefVars(n tparse.Node, t TType) ([]string, []TVariable) {
s = append(s, n.Sub[i].Sub[0].Data.Data)
v = append(v, TVariable{t, getLiteral(n.Sub[i].Sub[1], t)})
} else {
- errOut("Unexpected thing in definition. Expected '=' or DEFWORD.", n.Sub[i].Data)
+ errOut(fmt.Sprintf("Unexpected thing in definition. Expected '=' or DEFWORD. %v", n.Sub[i].Data))
}
}
return s, v
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:42:15 +0000