From efb3bbe21bacf9cbde6d4528b5c661a6a80fd057 Mon Sep 17 00:00:00 2001
From: Sasha Koshka <supergriffin64@gmail.com>
Date: Tue, 16 Aug 2022 20:10:47 -0400
Subject: [PATCH] Added base for parsing initialization values

---
 parser/data.go             | 31 ++++++++++++++++++++++++++++++-
 tests/parser/data/main.arf |  4 ++--
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/parser/data.go b/parser/data.go
index 9f81fc4..983fcda 100644
--- a/parser/data.go
+++ b/parser/data.go
@@ -30,7 +30,11 @@ func (parser *ParsingOperation) parseDataSection () (
 	if err != nil { return }
 
 	if parser.token.Is(lexer.TokenKindNewline) {
-		// TODO: parse arguments
+		err = parser.nextToken()
+		if err != nil { return }
+
+		section.value, err = parser.parseInitializationValues(0)
+		if err != nil { return }
 	} else {
 		var argument Argument
 		argument, err = parser.parseArgument()
@@ -44,6 +48,29 @@ func (parser *ParsingOperation) parseDataSection () (
 	return
 }
 
+// parseInitializationValues starts on the line after a data section, or a set
+// phrase. It checks for an indent greater than the indent of the aforementioned
+// data section or set phrase (passed through baseIndent), and if there is,
+// it parses initialization values.
+func (parser *ParsingOperation) parseInitializationValues (
+	baseIndent int,
+) (
+	values []Argument,
+	err    error,
+) {
+	// check if line is indented one more than baseIndent
+	if !parser.token.Is(lexer.TokenKindIndent) { return }
+	if parser.token.Value().(int) != baseIndent + 1 { return }
+
+	if parser.token.Is(lexer.TokenKindDot) {
+		// TODO: parse as object initialization
+	} else {
+		// TODO: parse as array initialization
+	}
+	
+	return
+}
+
 // parseType parses a type notation of the form Name, {Name}, etc.
 func (parser *ParsingOperation) parseType () (what Type, err error) {
 	err = parser.expect(lexer.TokenKindName, lexer.TokenKindLBrace)
@@ -114,6 +141,8 @@ func (parser *ParsingOperation) parseIdentifier () (
 	identifier.location = parser.token.Location()
 
 	for {
+		// TODO: eat up newlines and tabs after the dot, but not before
+		// it.
 		if !parser.token.Is(lexer.TokenKindName) { break }
 
 		identifier.trail = append (
diff --git a/tests/parser/data/main.arf b/tests/parser/data/main.arf
index 7fea405..670fb17 100644
--- a/tests/parser/data/main.arf
+++ b/tests/parser/data/main.arf
@@ -22,8 +22,8 @@ data wr integerPointerInit:{Int} [& integer]
 data wr mutIntegerPointerInit:{Int}:mut [& integer]
 
 data wr object:Obj
-	, this 324
-	, that 2139
+	.this 324
+	.that 2139
 
 data wr nestedObject:Obj
 	.this