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-rw-r--r--src/tparse/tree-list.go124
-rw-r--r--src/tparse/tree-statement.go17
-rw-r--r--src/tparse/tree-value.go100
-rw-r--r--src/tparse/tree.go205
4 files changed, 253 insertions, 193 deletions
diff --git a/src/tparse/tree-list.go b/src/tparse/tree-list.go
new file mode 100644
index 0000000..70f5fff
--- /dev/null
+++ b/src/tparse/tree-list.go
@@ -0,0 +1,124 @@
+/*
+ Copyright 2020 Kyle Gunger
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package tparse
+
+// Parse a list of values
+func parseValueList(tokens *[]Token, tok, max int) (Node, int) {
+ out := Node{}
+ out.Data = Token{Type: 10, Data: "list"}
+ var tmp Node
+
+ tok++
+
+ for ; tok < max; tok++ {
+ t := (*tokens)[tok]
+
+ switch t.Data {
+ case ")", "]", "}":
+ return out, tok
+ case ",":
+ tok++
+ default:
+ errOut("Error: unexpected token when parsing a list of values", t)
+ }
+
+ tmp, tok = parseValue(tokens, tok, max)
+ out.Sub = append(out.Sub, tmp)
+ }
+
+ return out, tok
+}
+
+// Parses a list of things
+func parseDefList(tokens *[]Token, tok, max int) (Node, int) {
+ out := Node{}
+ out.Data = Token{Type: 9, Data: "list"}
+
+ currentType := Node{}
+ currentType.Data = Token{Data: "undefined"}
+
+ for ; tok < max; tok++ {
+ t0 := (*tokens)[tok]
+ t1 := (*tokens)[tok+1]
+
+ switch t1.Data {
+ case ")", "]", "}", ",":
+ default:
+ currentType, tok = parseType(tokens, tok, max, true)
+ t0 = (*tokens)[tok]
+ t1 = (*tokens)[tok+1]
+ }
+
+ switch t0.Type {
+
+ case DEFWORD:
+ var tmp Node
+ if currentType.Data.Data == "undefined" {
+ errOut("Error: expected type before first parameter", t0)
+ } else if currentType.Data.Data == "type" {
+ tmp, tok = parseType(tokens, tok, max, true)
+ } else {
+ tmp = Node{Data: t0}
+ }
+
+ typ := currentType
+ makeParent(&typ, tmp)
+ makeParent(&out, typ)
+
+ default:
+ errOut("Error: unexpected token when parsing list, expected user-defined variable or ", t0)
+ }
+
+ switch t1.Data {
+ case ")", "]", "}":
+ return out, tok
+ case ",":
+ default:
+ errOut("Error: unexpected token when parsing list, expected ',' or end of list", t1)
+ }
+
+ tok++
+ }
+
+ return out, tok
+}
+
+func parseTypeList(tokens *[]Token, tok, max int) (Node, int) {
+ out := Node{}
+ out.Data = Token{Type: 9, Data: "list"}
+ var tmp Node
+
+ tok++
+
+ for ; tok < max; tok++ {
+ t := (*tokens)[tok]
+
+ switch t.Data {
+ case ")", "]", "}":
+ return out, tok
+ case ",":
+ tok++
+ default:
+ errOut("Error: unexpected token when parsing a list of types", t)
+ }
+
+ tmp, tok = parseType(tokens, tok, max, true)
+ out.Sub = append(out.Sub, tmp)
+ }
+
+ return out, tok
+}
diff --git a/src/tparse/tree-statement.go b/src/tparse/tree-statement.go
new file mode 100644
index 0000000..9d0b0d6
--- /dev/null
+++ b/src/tparse/tree-statement.go
@@ -0,0 +1,17 @@
+/*
+ Copyright 2020 Kyle Gunger
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package tparse
diff --git a/src/tparse/tree-value.go b/src/tparse/tree-value.go
new file mode 100644
index 0000000..1a057d4
--- /dev/null
+++ b/src/tparse/tree-value.go
@@ -0,0 +1,100 @@
+/*
+ Copyright 2020 Kyle Gunger
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package tparse
+
+func parseValue(tokens *[]Token, tok, max int) (Node, int) {
+ out := Node{}
+
+ for ; tok < max; tok++ {
+ t := (*tokens)[tok]
+ switch t.Type {
+ case LITERAL:
+ case DEFWORD:
+ case DELIMIT:
+ }
+ }
+
+ return out, tok
+}
+
+func parseVoidType(tokens *[]Token, tok, max int) (Node, int) {
+ out := Node{}
+
+ for ; tok < max; tok++ {
+ //t := (*tokens)[tok]
+ }
+
+ return out, tok
+}
+
+func parseType(tokens *[]Token, tok, max int, param bool) (Node, int) {
+ out := Node{}
+ working := &out
+
+ for ; tok < max; tok++ {
+ t := (*tokens)[tok]
+ switch t.Type {
+ case AUGMENT:
+ if t.Data != "~" {
+ errOut("Error: unexpected augment token when parsing type", t)
+ }
+ working.Data = t
+
+ case KEYTYPE:
+ if t.Data == "void" {
+ *working, tok = parseVoidType(tokens, tok, max)
+ } else {
+ working.Data = t
+ }
+
+ return out, tok
+
+ case DEFWORD:
+ if (*tokens)[tok+1].Data == "(" {
+
+ }
+
+ case KEYWORD:
+ if param && t.Data == "static" {
+ errOut("Error: parameter types cannot be static", t)
+ } else if t.Data != "const" && t.Data != "volatile" && t.Data != "static" {
+ errOut("Error: unexpected keyword when parsing type", t)
+ }
+ working.Data = t
+
+ case DELIMIT:
+ if t.Data == "{" {
+ if (*tokens)[tok+1].Data == "}" {
+ working.Data = Token{9, "array", t.Line, t.Char}
+ tok++
+ } else {
+ errOut("Error: start of list when parsing type (did you mean {} ?)", t)
+ }
+ } else {
+ errOut("Error: start of list when parsing type", t)
+ }
+
+ default:
+ errOut("Error: unexpected token when parsing type", t)
+ }
+
+ makeParent(working, Node{})
+ working = &(working.Sub[0])
+ }
+
+ return out, tok
+}
diff --git a/src/tparse/tree.go b/src/tparse/tree.go
index ed19e6d..0b7baf4 100644
--- a/src/tparse/tree.go
+++ b/src/tparse/tree.go
@@ -26,210 +26,29 @@ func errOut(message string, token Token) {
panic("AST Error")
}
-// Parse a list of values
-func parseValueList(tokens *[]Token, tok, max int) (Node, int) {
- out := Node{}
- out.Data = Token{Type: 10, Data: "list"}
- var tmp Node
-
- tok++
-
- for ; tok < max; tok++ {
- t := (*tokens)[tok]
-
- switch t.Data {
- case ")", "]", "}":
- return out, tok
- case ",":
- tok++
- default:
- errOut("Error: unexpected token when parsing a list of values", t)
- }
-
- tmp, tok = parseValue(tokens, tok, max)
- out.Sub = append(out.Sub, tmp)
- }
-
- return out, tok
-}
-
-// Parses a list of things
-func parseDefList(tokens *[]Token, tok, max int) (Node, int) {
+// MakeTree creates an AST out of a set of tokens
+func MakeTree(tokens *[]Token, file string) Node {
out := Node{}
- out.Data = Token{Type: 9, Data: "list"}
-
- currentType := Node{}
- currentType.Data = Token{Data: "undefined"}
-
- for ; tok < max; tok++ {
- t0 := (*tokens)[tok]
- t1 := (*tokens)[tok+1]
-
- switch t1.Data {
- case ")", "]", "}", ",":
- default:
- currentType, tok = parseType(tokens, tok, max, true)
- t0 = (*tokens)[tok]
- t1 = (*tokens)[tok+1]
- }
-
- switch t0.Type {
-
- case DEFWORD:
- var tmp Node
- if currentType.Data.Data == "undefined" {
- errOut("Error: expected type before first parameter", t0)
- } else if currentType.Data.Data == "type" {
- tmp, tok = parseType(tokens, tok, max, true)
- } else {
- tmp = Node{Data: t0}
- }
-
- typ := currentType
- makeParent(&typ, tmp)
- makeParent(&out, typ)
-
- default:
- errOut("Error: unexpected token when parsing list, expected user-defined variable or ", t0)
- }
-
- switch t1.Data {
- case ")", "]", "}":
- return out, tok
- case ",":
- default:
- errOut("Error: unexpected token when parsing list, expected ',' or end of list", t1)
- }
-
- tok++
- }
-
- return out, tok
-}
+ out.Data = Token{9, file, 0, 0}
-func parseTypeList(tokens *[]Token, tok, max int) (Node, int) {
- out := Node{}
- out.Data = Token{Type: 9, Data: "list"}
- var tmp Node
+ tmp := Node{}
+ working := &tmp
- tok++
+ max := len(*tokens)
- for ; tok < max; tok++ {
+ for tok := 0; tok < max; tok++ {
t := (*tokens)[tok]
-
switch t.Data {
- case ")", "]", "}":
- return out, tok
- case ",":
- tok++
- default:
- errOut("Error: unexpected token when parsing a list of types", t)
- }
-
- tmp, tok = parseType(tokens, tok, max, true)
- out.Sub = append(out.Sub, tmp)
- }
-
- return out, tok
-}
+ case "/;":
-func parseVoidType(tokens *[]Token, tok, max int) (Node, int) {
- out := Node{}
+ case ";":
- for ; tok < max; tok++ {
- //t := (*tokens)[tok]
- }
+ case "/:":
- return out, tok
-}
-
-func parseType(tokens *[]Token, tok, max int, param bool) (Node, int) {
- out := Node{}
- working := &out
-
- for ; tok < max; tok++ {
- t := (*tokens)[tok]
- switch t.Type {
- case AUGMENT:
- if t.Data != "~" && t.Data != "`" {
- errOut("Error: unexpected augment token when parsing type", t)
- }
- working.Data = t
-
- case KEYTYPE:
- if t.Data == "void" {
- *working, tok = parseVoidType(tokens, tok, max)
- } else {
- working.Data = t
- }
-
- return out, tok
-
- case DEFWORD:
- if (*tokens)[tok+1].Data == "(" {
-
- }
-
- case KEYWORD:
- if param && t.Data == "static" {
- errOut("Error: parameter types cannot be static", t)
- } else if t.Data != "const" && t.Data != "volatile" && t.Data != "static" {
- errOut("Error: unexpected keyword when parsing type", t)
- }
- working.Data = t
-
- case DELIMIT:
- if t.Data == "{" {
- if (*tokens)[tok+1].Data == "}" {
- working.Data = Token{9, "array", t.Line, t.Char}
- tok++
- } else {
- errOut("Error: start of list when parsing type (did you mean {} ?)", t)
- }
- } else {
- errOut("Error: start of list when parsing type", t)
- }
+ case ":":
default:
- errOut("Error: unexpected token when parsing type", t)
- }
-
- makeParent(working, Node{})
- working = &(working.Sub[0])
- }
-
- return out, tok
-}
-
-func parseValue(tokens *[]Token, tok, max int) (Node, int) {
- out := Node{}
-
- for ; tok < max; tok++ {
- t := (*tokens)[tok]
- switch t.Type {
- case LITERAL:
- case DEFWORD:
- case DELIMIT:
- }
- }
-
- return out, tok
-}
-
-// MakeTree creates an AST out of a set of tokens
-func MakeTree(tokens *[]Token, file string) Node {
- out := Node{}
- out.Data = Token{9, file, 0, 0}
-
- tmp := Node{}
- working := &tmp
-
- for _, t := range *tokens {
- switch t.Type {
- case LINESEP:
-
- case DELIMIT:
-
+ errOut("Unexpected token in file root", t)
}
tmp = Node{Data: t}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:48:23 +0000