diff options
Diffstat (limited to 'src/NXP/Classes/Tokenizer.php')
| -rw-r--r-- | src/NXP/Classes/Tokenizer.php | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/NXP/Classes/Tokenizer.php b/src/NXP/Classes/Tokenizer.php index b72b869..caf395f 100644 --- a/src/NXP/Classes/Tokenizer.php +++ b/src/NXP/Classes/Tokenizer.php @@ -66,7 +66,7 @@ class Tokenizer $this->operators = $operators; } - public function tokenize() + public function tokenize() : self { foreach (str_split($this->input, 1) as $ch) { switch (true) { @@ -173,17 +173,17 @@ class Tokenizer return $this; } - private function isNumber($ch) + private function isNumber(string $ch) : bool { return $ch >= '0' && $ch <= '9'; } - private function isAlpha($ch) + private function isAlpha(string $ch) : bool { return $ch >= 'a' && $ch <= 'z' || $ch >= 'A' && $ch <= 'Z' || $ch == '_'; } - private function emptyNumberBufferAsLiteral() + private function emptyNumberBufferAsLiteral() : void { if ($this->numberBuffer != "") { $this->tokens[] = new Token(Token::Literal, $this->numberBuffer); @@ -191,22 +191,22 @@ class Tokenizer } } - private function isDot($ch) + private function isDot(string $ch) : bool { return $ch == '.'; } - private function isLP($ch) + private function isLP(string $ch) : bool { return $ch == '('; } - private function isRP($ch) + private function isRP(string $ch) : bool { return $ch == ')'; } - private function emptyStrBufferAsVariable() + private function emptyStrBufferAsVariable() : void { if ($this->stringBuffer != "") { $this->tokens[] = new Token(Token::Variable, $this->stringBuffer); @@ -214,7 +214,7 @@ class Tokenizer } } - private function isComma($ch) + private function isComma(string $ch) : bool { return $ch == ','; } @@ -224,7 +224,7 @@ class Tokenizer * @throws IncorrectBracketsException * @throws UnknownOperatorException */ - public function buildReversePolishNotation() + public function buildReversePolishNotation() : array { $tokens = []; /** @var SplStack<Token> $stack */ |