From 623bda06bf50b495beffe249f316967ea5a60b48 Mon Sep 17 00:00:00 2001
From: Kyle Gunger <kgunger12@gmail.com>
Date: Fri, 29 Oct 2021 21:27:04 -0400
Subject: [AST] isTypeThenValue

It might work (?)
---
 src/tparse/tree-statement.go |  3 ++
 src/tparse/tree-value.go     | 75 ++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 76 insertions(+), 2 deletions(-)

(limited to 'src/tparse')

diff --git a/src/tparse/tree-statement.go b/src/tparse/tree-statement.go
index 1c648d2..ed10b42 100644
--- a/src/tparse/tree-statement.go
+++ b/src/tparse/tree-statement.go
@@ -16,6 +16,7 @@
 
 package tparse
 
+// TODO: re-validate this code.  I forgot if it works or not.
 func parseBlock(tokens *[]Token, tok, max int) (Node, int) {
 	out, tmp, def, name := Node{}, Node{}, Node{}, false
 	out.Data = Token{Type: 10, Data: "block"}
@@ -97,6 +98,7 @@ func parseBlock(tokens *[]Token, tok, max int) (Node, int) {
 	return out, tok
 }
 
+// This should work once isTypeThenValue properly functions
 func parseStatement(tokens *[]Token, tok, max int) (Node, int) {
 	out := Node{}
 	out.Data = Token{Type: 11, Data: ";"}
@@ -189,6 +191,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) {
 	return out, tok
 }
 
+// Should work, but none of this is tested.
 func parseDef(tokens *[]Token, tok, max int) (Node, int) {
 	out := Node{}
 	out.Data = Token{}
diff --git a/src/tparse/tree-value.go b/src/tparse/tree-value.go
index f8bd197..1eac252 100644
--- a/src/tparse/tree-value.go
+++ b/src/tparse/tree-value.go
@@ -390,9 +390,80 @@ func parseType(tokens *[]Token, tok, max int, param bool) (Node, int) {
 	return out, tok
 }
 
-
+// TODO: Check if this works. This implimentation is probably bad, but I don't care.
 func isTypeThenValue(tokens *[]Token, tok, max int) (bool) {
 	//TODO: check for a standard type and then a value
-	
+	var stage int = 0
+	var curl, brak, parn int = 0, 0, 0
+
+	for ; tok < max && stage < 2; tok++ {
+		t := (*tokens)[tok]
+		switch t.Type {
+		case KEYTYPE:
+			if curl > 0 || brak > 0 || parn > 0 {
+				continue
+			} else if stage > 0 {
+				errOut("Encountered a keytype where we weren't expecting one (iTTV).", t)
+			}
+			stage++
+		case DEFWORD:
+			if curl > 0 || brak > 0 || parn > 0 {
+				continue
+			}
+			stage++
+		case LINESEP:
+			if curl > 0 || brak > 0 || parn > 0 {
+				errOut("Encountered end of statement before all delimiter pairs were closed (iTTV).", t)
+			}
+			return false
+		case INLNSEP:
+			if curl > 0 || brak > 0 || parn > 0 {
+				continue
+			}
+			return false
+		case DELIMIT:
+			switch t.Data {
+			case "{":
+				curl++
+			case "[":
+				brak++
+			case "(":
+				parn++
+			
+			case "}":
+				curl--
+			case "]":
+				brak--
+			case ")":
+				parn--
+			default:
+				return false
+			}
+
+			if curl < 0 || brak < 0 || parn < 0 {
+				if curl > 0 || brak > 0 || parn > 0 {
+					errOut("Un-matched closing delimiter (iTTV).", t)
+				} else if curl + brak + parn == -1 {
+					return false
+				} else {
+					errOut("Strange bracket values detected when parsing value.  Possibly a parser bug. (iTTV)", t)
+				}
+			}
+		case AUGMENT:
+			switch t.Data {
+			case ".":
+				if (*tokens)[tok + 1].Type == DEFWORD {
+					tok++
+				} else {
+					errOut("Expected defword after 'get' operator (iTTV).", t)
+				}
+			case "~":
+			case "`":
+			default:
+				return false
+			}
+		}
+	}
+
 	return true
 }
\ No newline at end of file
-- 
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