diff options
Diffstat (limited to '')
-rw-r--r-- | src/lexer.cpp | 5 | ||||
-rw-r--r-- | src/parser.cpp | 14 | ||||
-rw-r--r-- | src/token.cpp | 1 | ||||
-rw-r--r-- | src/token.h | 1 |
4 files changed, 21 insertions, 0 deletions
diff --git a/src/lexer.cpp b/src/lexer.cpp index 46686c8..2521b40 100644 --- a/src/lexer.cpp +++ b/src/lexer.cpp | |||
@@ -70,6 +70,7 @@ Token Lexer::nextToken() | |||
70 | sBuf[iBufPos] != ' ' && sBuf[iBufPos] != '\t' && | 70 | sBuf[iBufPos] != ' ' && sBuf[iBufPos] != '\t' && |
71 | sBuf[iBufPos] != '+' && sBuf[iBufPos] != '-' && | 71 | sBuf[iBufPos] != '+' && sBuf[iBufPos] != '-' && |
72 | sBuf[iBufPos] != '*' && sBuf[iBufPos] != '/' && | 72 | sBuf[iBufPos] != '*' && sBuf[iBufPos] != '/' && |
73 | sBuf[iBufPos] != '%' && | ||
73 | sBuf[iBufPos] != '(' && sBuf[iBufPos] != ')'; | 74 | sBuf[iBufPos] != '(' && sBuf[iBufPos] != ')'; |
74 | iBufPos++ ) | 75 | iBufPos++ ) |
75 | { | 76 | { |
@@ -99,6 +100,10 @@ Token Lexer::nextToken() | |||
99 | iBufPos++; | 100 | iBufPos++; |
100 | return Token( Token::tDivide ); | 101 | return Token( Token::tDivide ); |
101 | 102 | ||
103 | case '%': | ||
104 | iBufPos++; | ||
105 | return Token( Token::tModulus ); | ||
106 | |||
102 | case '(': | 107 | case '(': |
103 | iBufPos++; | 108 | iBufPos++; |
104 | return Token( Token::tOpenParen ); | 109 | return Token( Token::tOpenParen ); |
diff --git a/src/parser.cpp b/src/parser.cpp index 5bb0aa6..df9e869 100644 --- a/src/parser.cpp +++ b/src/parser.cpp | |||
@@ -239,6 +239,18 @@ void Parser::unwind() | |||
239 | ); | 239 | ); |
240 | } | 240 | } |
241 | break; | 241 | break; |
242 | |||
243 | case Token::tModulus: | ||
244 | { | ||
245 | Token b = tsTerminal.peekPop(); | ||
246 | Token a = tsTerminal.peekPop(); | ||
247 | tsTerminal.push( | ||
248 | Token( Token::tNumber, | ||
249 | new Number( deref(a) % deref(b) ) | ||
250 | ) | ||
251 | ); | ||
252 | } | ||
253 | break; | ||
242 | 254 | ||
243 | case Token::tOpenParen: | 255 | case Token::tOpenParen: |
244 | tsNonTerminal.push( t ); | 256 | tsNonTerminal.push( t ); |
@@ -296,6 +308,7 @@ int Parser::reqTokens( Token::Type eType ) | |||
296 | case Token::tMinus: | 308 | case Token::tMinus: |
297 | case Token::tDivide: | 309 | case Token::tDivide: |
298 | case Token::tMultiply: | 310 | case Token::tMultiply: |
311 | case Token::tModulus: | ||
299 | case Token::tEquals: | 312 | case Token::tEquals: |
300 | return 2; | 313 | return 2; |
301 | 314 | ||
@@ -326,6 +339,7 @@ int Parser::getPriority( Token::Type eType ) | |||
326 | 339 | ||
327 | case Token::tDivide: | 340 | case Token::tDivide: |
328 | case Token::tMultiply: | 341 | case Token::tMultiply: |
342 | case Token::tModulus: | ||
329 | return 2; | 343 | return 2; |
330 | 344 | ||
331 | case Token::tOpenParen: | 345 | case Token::tOpenParen: |
diff --git a/src/token.cpp b/src/token.cpp index 019e54d..5b0e6fe 100644 --- a/src/token.cpp +++ b/src/token.cpp | |||
@@ -59,6 +59,7 @@ Bu::Formatter &operator<<( Bu::Formatter &f, Token::Type eType ) | |||
59 | case Token::tMinus: return f << "-"; | 59 | case Token::tMinus: return f << "-"; |
60 | case Token::tDivide: return f << "/"; | 60 | case Token::tDivide: return f << "/"; |
61 | case Token::tMultiply: return f << "*"; | 61 | case Token::tMultiply: return f << "*"; |
62 | case Token::tModulus: return f << "%"; | ||
62 | case Token::tOpenParen: return f << "("; | 63 | case Token::tOpenParen: return f << "("; |
63 | case Token::tCloseParen: return f << ")"; | 64 | case Token::tCloseParen: return f << ")"; |
64 | case Token::tEquals: return f << "="; | 65 | case Token::tEquals: return f << "="; |
diff --git a/src/token.h b/src/token.h index 05a610a..1cc6516 100644 --- a/src/token.h +++ b/src/token.h | |||
@@ -20,6 +20,7 @@ public: | |||
20 | tMinus, | 20 | tMinus, |
21 | tDivide, | 21 | tDivide, |
22 | tMultiply, | 22 | tMultiply, |
23 | tModulus, | ||
23 | tOpenParen, | 24 | tOpenParen, |
24 | tCloseParen, | 25 | tCloseParen, |
25 | tEquals, | 26 | tEquals, |