christoph/lecture-compilers
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slight grammar change

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2020-12-07 23:33:46 +01:00
parent ea4cf84c41
commit 081ef492d6
2 changed files with 4 additions and 3 deletions
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5
src/main/antlr/StupsLexer.g4
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@ -43,8 +43,6 @@ WHILE : 'while' ;
PRINTLN : 'System.out.println' ; PRINTLN : 'System.out.println' ;
// Operators // Operators
ASSIGN : '=' ;
ADD : '+' ; ADD : '+' ;
SUB : '-' ; SUB : '-' ;
MUL : '*' ; MUL : '*' ;
@ -62,6 +60,8 @@ LESS_EQUAL : '<=' ;
GREATER : '>' ; GREATER : '>' ;
GREATER_EQUAL : '>=' ; GREATER_EQUAL : '>=' ;
ASSIGN : '=' ;
// Structural // Structural
L_PAREN : '(' ; L_PAREN : '(' ;
R_PAREN : ')' ; R_PAREN : ')' ;
@ -79,4 +79,5 @@ STRING_LIT : '"' ANY_NOBREAK* '"' ;
BOOLEAN_LIT : 'true' | 'false' ; BOOLEAN_LIT : 'true' | 'false' ;
// Identifier // Identifier
IDENTIFIER_MAIN : 'main' ;
IDENTIFIER : LETTER LETTER_DIGIT* ; IDENTIFIER : LETTER LETTER_DIGIT* ;

2
src/test/java/lexer/LexerTest.java
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@ -66,7 +66,7 @@ class LexerTest {
"PUBLIC", "PUBLIC",
"STATIC", "STATIC",
"VOID_TYPE", "VOID_TYPE",
"IDENTIFIER", "IDENTIFIER_MAIN",
"L_PAREN", "L_PAREN",
"STRING_TYPE", "STRING_TYPE",
"L_BRACKET", "L_BRACKET",