From b124548bcee1ab6d034d4499fe695073566ae37d Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Wed, 2 Oct 2019 01:00:59 +0200
Subject: Add !=,<,<=,>,>=; both signed and not

---
 src/tokenizer.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/tokenizer.c')

diff --git a/src/tokenizer.c b/src/tokenizer.c
index da6ad53..2c27809 100644
--- a/src/tokenizer.c
+++ b/src/tokenizer.c
@@ -339,6 +339,14 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) {
         } else {
             *token = TOK_EQUALS;
         }
+    } else if(c == '!') {
+        ++self->index;
+        if(self->index < (int)self->code.size && tokenizer_get_char(self) == '=') {
+            ++self->index;
+            SET_BINOP(BINOP_NOT_EQUAL);
+        } else {
+            *token = TOK_NOT;
+        }
     } else if(c == '&') {
         ++self->index;
         if(self->index < (int)self->code.size && tokenizer_get_char(self) == '&') {
@@ -347,6 +355,22 @@ static CHECK_RESULT int __tokenizer_next(Tokenizer *self, Token *token) {
         } else {
             *token = TOK_AMPERSAND;
         }
+    } else if(c == '<') {
+        ++self->index;
+        if(self->index < (int)self->code.size && tokenizer_get_char(self) == '=') {
+            ++self->index;
+            SET_BINOP(BINOP_LESS_EQUAL);
+        } else {
+            SET_BINOP(BINOP_LESS);
+        }
+    } else if(c == '>') {
+        ++self->index;
+        if(self->index < (int)self->code.size && tokenizer_get_char(self) == '=') {
+            ++self->index;
+            SET_BINOP(BINOP_GREATER_EQUAL);
+        } else {
+            SET_BINOP(BINOP_GREATER);
+        }
     } else if(c == '(') {
         ++self->index;
         *token = TOK_OPEN_PAREN;
@@ -470,6 +494,9 @@ static BufferView tokenizer_expected_token_as_string(Token token) {
         case TOK_EQUALS:
             str = "=";
             break;
+        case TOK_NOT:
+            str = "!";
+            break;
         case TOK_OPEN_PAREN:
             str = "(";
             break;
-- 
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