From 7f46f6eb685a9baef491b714aa940e199d446ee1 Mon Sep 17 00:00:00 2001
From: kdx <kdx@42l.fr>
Date: Sun, 22 Jan 2023 19:51:45 +0100
Subject: add lexer tokens

---
 README.md | 14 +++++++-------
 Token.c   |  9 ++++++++-
 Token.h   | 11 +++++++++--
 lexer.c   | 12 +++++++++++-
 4 files changed, 35 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 29a6b52..51695a7 100644
--- a/README.md
+++ b/README.md
@@ -79,9 +79,9 @@ I fucking wanted to make it.
 * `[x]` `var`
 * `[x]` `const`
 * `[x]` `fn`
-* `[ ]` `if`
-* `[ ]` `else`
-* `[ ]` `while`
+* `[x]` `if`
+* `[x]` `else`
+* `[x]` `while`
 * `[x]` `(`
 * `[x]` `)`
 * `[x]` `{`
@@ -114,8 +114,8 @@ I fucking wanted to make it.
 * `[x]` `!=`
 * `[x]` `<`
 * `[ ]` `>`
-* `[ ]` `<=`
-* `[ ]` `>=`
-* `[ ]` `||`
-* `[ ]` `&&`
+* `[x]` `<=`
+* `[x]` `>=`
+* `[x]` `||`
+* `[x]` `&&`
 * `[x]` `//`
diff --git a/Token.c b/Token.c
index a406332..ac549bb 100644
--- a/Token.c
+++ b/Token.c
@@ -39,12 +39,19 @@ const char *token_type_str(unsigned int type)
 	case TOK_COMMA: return "TOK_COMMA";
 	case TOK_COMP_LESS: return "TOK_COMP_LESS";
 	case TOK_MODULO: return "TOK_MODULO";
-	case TOK_STAR: return "TOK_STAR";
+	case TOK_MULT: return "TOK_MULT";
 	case TOK_COMP_EQ: return "TOK_COMP_EQ";
 	case TOK_COMP_NEQ: return "TOK_COMP_NEQ";
+	case TOK_COMP_LESSEQ: return "TOK_COMP_LESSEQ";
+	case TOK_COMP_MOREEQ: return "TOK_COMP_MOREEQ";
+	case TOK_COMP_OR: return "TOK_COMP_OR";
+	case TOK_COMP_AND: return "TOK_COMP_AND";
 	case TOK_KW_CONST: return "TOK_KW_CONST";
 	case TOK_KW_VAR: return "TOK_KW_VAR";
 	case TOK_KW_FN: return "TOK_KW_FN";
+	case TOK_KW_IF: return "TOK_KW_IF";
+	case TOK_KW_ELSE: return "TOK_KW_ELSE";
+	case TOK_KW_WHILE: return "TOK_KW_WHILE";
 	default: return "TOK_?";
 	}
 }
diff --git a/Token.h b/Token.h
index 1767829..0cd7b21 100644
--- a/Token.h
+++ b/Token.h
@@ -19,15 +19,22 @@ enum {
 	TOK_COMMA,
 	TOK_COMP_LESS,
 	TOK_MODULO,
-	TOK_STAR,
+	TOK_MULT,
 	/* double char toks */
+	TOK_COMMENT,
 	TOK_COMP_EQ,
 	TOK_COMP_NEQ,
-	TOK_COMMENT,
+	TOK_COMP_LESSEQ,
+	TOK_COMP_MOREEQ,
+	TOK_COMP_OR,
+	TOK_COMP_AND,
 	/* keywords */
 	TOK_KW_VAR,
 	TOK_KW_CONST,
 	TOK_KW_FN,
+	TOK_KW_IF,
+	TOK_KW_ELSE,
+	TOK_KW_WHILE,
 };
 
 union TokenValue {
diff --git a/lexer.c b/lexer.c
index e45f949..ff63bff 100644
--- a/lexer.c
+++ b/lexer.c
@@ -31,7 +31,7 @@ static unsigned int one_wide_tok(const char *s)
 	case ',': return TOK_COMMA;
 	case '<': return TOK_COMP_LESS;
 	case '%': return TOK_MODULO;
-	case '*': return TOK_STAR;
+	case '*': return TOK_MULT;
 	default:  return TOK_NONE;
 	}
 }
@@ -43,6 +43,10 @@ static unsigned int two_wide_tok(const char *s)
 	case PAIR('=', '='): return TOK_COMP_EQ;
 	case PAIR('!', '='): return TOK_COMP_NEQ;
 	case PAIR('/', '/'): return TOK_COMMENT;
+	case PAIR('<', '='): return TOK_COMP_LESSEQ;
+	case PAIR('>', '='): return TOK_COMP_MOREEQ;
+	case PAIR('|', '|'): return TOK_COMP_OR;
+	case PAIR('&', '&'): return TOK_COMP_AND;
 	default:             return TOK_NONE;
 	}
 }
@@ -109,6 +113,12 @@ Token *lexer(const char *s)
 				toks[tok_i].type = TOK_KW_VAR;
 			else if (strcmp("const", toks[tok_i].s) == 0)
 				toks[tok_i].type = TOK_KW_CONST;
+			else if (strcmp("if", toks[tok_i].s) == 0)
+				toks[tok_i].type = TOK_KW_IF;
+			else if (strcmp("else", toks[tok_i].s) == 0)
+				toks[tok_i].type = TOK_KW_ELSE;
+			else if (strcmp("while", toks[tok_i].s) == 0)
+				toks[tok_i].type = TOK_KW_WHILE;
 			else
 				toks[tok_i].type = TOK_WORD;
 			tok_i += 1;
-- 
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