Parse some more operations

README.md

@@ -17,20 +17,20 @@ bash build.c
         - [x] bool
     - [x] Lex keywords 
     - [x] Ignore comments (//, /**/, #)
-    - [ ] Lex delimiters
+    - [x] Lex delimiters
         - [x] ()
         - [x] {}
         - [x] .
         - [x] :
         - [x] ,
-        - [ ] ==, =
+        - [x] ==, =
-        - [ ] >, >=
+        - [x] >, >=
-        - [ ] <, <=
+        - [x] <, <=
-        - [ ] !, !=
+        - [x] !, !=
-        - [ ] +, +=, ++
+        - [x] +, +=, ++
-        - [ ] -, -=, --
+        - [x] -, -=, --
-        - [ ] *, *=
+        - [x] *, *=
-        - [ ] /, /=
+        - [x] /, /=
     - [ ] Lex types
         - [x] Basic types (int, double, string, bool, char)
         - [ ] Advanced types (fun(...), template(...), object(...))

src/lexer/lexer.c

@@ -503,6 +503,44 @@ ResultType(voidptr, charptr) lex(SolsLexer* lexer) {
                 break;                
             }
 
+            // These characters may be followed by an equals sign, or nothing else.
+            case '=':
+            case '!':
+            case '>':
+            case '<':
+            case '*':
+            case '/': {
+                if (strcmp(buf.str, "") != 0) {
+                    ResultType(SolsToken, charptr) result = identifyToken(buf.str);
+                    if (result.error) {
+                        return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
+                    }
+                    addTokenToSolsTokens(&lexer->output, result.as.success);
+                    DESTROY_ESTR(buf);
+                    buf = CREATE_ESTR("");
+                }
+                ResultType(char, Nothing) next = lexerPeek(lexer, 1);
+                if (next.error || next.as.success != '=') {
+                    char tmp[] = {chr.as.success, '\0'};
+                    ResultType(SolsToken, charptr) result = identifyToken(tmp);
+                    if (result.error) {
+                        return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
+                    }
+                    addTokenToSolsTokens(&lexer->output, result.as.success);
+                }
+                if (next.as.success == '=') {
+                    char tmp[] = {chr.as.success, '=', '\0'};
+                    ResultType(SolsToken, charptr) result = identifyToken(tmp);
+                    if (result.error) {
+                        return Error(voidptr, charptr, createParsingError(lineNum, currentLine.str, result.as.error));
+                    }
+                    addTokenToSolsTokens(&lexer->output, result.as.success);
+                    lexerConsume(lexer);
+                }
+                break;
+            }
+
+
             // '.' requires checking whether it's a number or an identifier after
             case '.': {
                 ResultType(char, Nothing) peek = lexerPeek(lexer, 1);