chapter 2.6

1 files changed, 62 insertions, 0 deletions

diff --git a/token/token.odin b/token/token.odin
index 20efd6f..f6d0701 100644
--- a/token/token.odin
+++ b/token/token.odin
@@ -1,5 +1,7 @@
 package token
 
+import "core:fmt"
+
 Token :: union {
 	Asterisk,
 	Bang,
@@ -82,3 +84,63 @@ lookup_identifier :: proc(ident: string) -> Token {
 		return Identifier{ident}
 	}
 }
+
+literal :: proc(token: Token) -> (literal: string) {
+	switch t in token {
+	case Asterisk:
+		literal = "*"
+	case Bang:
+		literal = "!"
+	case Comma:
+		literal = ","
+	case EOF:
+		literal = "EOF"
+	case Else:
+		literal = "else"
+	case Equal_Sign:
+		literal = "="
+	case Equals:
+		literal = "=="
+	case False:
+		literal = "false"
+	case Forward_Slash:
+		literal = "/"
+	case Function:
+		literal = "fn"
+	case Greater_Than:
+		literal = ">"
+	case Identifier:
+		literal = t.literal
+	case If:
+		literal = "if"
+	case Illegal:
+		literal = "ILLEGAL"
+	case Integer:
+		literal = fmt.tprint(t.literal)
+	case Left_Brace:
+		literal = "{"
+	case Left_Parenthesis:
+		literal = "("
+	case Less_Than:
+		literal = "<"
+	case Let:
+		literal = "let"
+	case Minus:
+		literal = "-"
+	case Not_Equals:
+		literal = "!="
+	case Plus:
+		literal = "+"
+	case Return:
+		literal = "return"
+	case Right_Brace:
+		literal = "}"
+	case Right_Parenthesis:
+		literal = ")"
+	case Semicolon:
+		literal = ";"
+	case True:
+		literal = "true"
+	}
+	return literal
+}