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| author | Thalia Archibald <thalia@archibald.dev> | 2024-08-05 16:31:29 -0700 |
|---|---|---|
| committer | Dibyendu Majumdar <dibyendumajumdar@users.noreply.github.com> | 2024-08-06 00:50:58 +0100 |
| commit | 49af186140611daa9c840189139b59c854f1889c (patch) | |
| tree | e979746419d3646f5fde7d525c14966eb752fd22 /chapter13 | |
| parent | 702b696cc74a20cf84172ee2ce59ace4c980ee75 (diff) | |
| download | Simple-49af186140611daa9c840189139b59c854f1889c.tar.gz Simple-49af186140611daa9c840189139b59c854f1889c.zip | |
Fix chapter12 grammar
Diffstat (limited to 'chapter13')
| -rw-r--r-- | chapter13/docs/12-grammar.md | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/chapter13/docs/12-grammar.md b/chapter13/docs/12-grammar.md deleted file mode 100644 index 9370024e..00000000 --- a/chapter13/docs/12-grammar.md +++ /dev/null @@ -1,129 +0,0 @@ -# Grammar for Chapter 11 - -```antlrv4 -grammar SimpleLanguage; - -program - : statement+ EOF - ; - -statement - : returnStatement - | structDeclaration - | declStatement - | blockStatment - | expressionStatement - | ifStatement - | whileStatement - | breakStatement - | continueStatment - | metaStatement - ; - -field - : 'int' IDENTIFIER ';' - ; - -fields - : field+ - ; - -structDeclaration - : 'struct' IDENTIFIER '{' fields '}' - ; - -whileStatement - : 'while' '(' expression ')' statement - ; - -breakStatement - : 'break' ';' - ; - -continueStatement - : 'continue' ';' - ; - -ifStatement - : 'if' '(' expression ')' statement ('else' statement)? - ; - -metaStatement - : '#showGraph' ';' - ; - -expressionStatement - : IDENTIFIER '=' expression ';' - | fieldExpression '=' expression ';' - ; - -blockStatement - : '{' statement+ '}' - ; - -structName - : IDENTIFIER - ; - -declStatement - : 'int' IDENTIFIER '=' expression ';' - | structName IDENTIFIER ('?')? '=' expression ';' - ; - -returnStatement - : 'return' expression ';' - ; - -expression - : comparisonExpression - ; - -comparisonExpression - : additiveExpression (('==' | '!='| '>'| '<'| '>='| '<=') additiveExpression)* - ; - -additiveExpression - : multiplicativeExpression (('+' | '-') multiplicativeExpression)* - ; - -multiplicativeExpression - : unaryExpression (('*' | '/') unaryExpression)* - ; - -unaryExpression - : ('-') unaryExpression - | '!' unaryExpression - | primaryExpression - ; - -newExpression - : 'new' IDENTIFIER - ; - -fieldExpression - : primaryExpresson '.' IDENTIFIER - ; - -primaryExpression - : IDENTIFIER - | INTEGER_LITERAL - | 'true' - | 'false' - | 'null' - | newExpression - | '(' expression ')' - | fieldExpression - ; - -INTEGER_LITERAL - : [1-9][0-9]* - | [0] - ; - -IDENTIFIER - : NON_DIGIT (NON_DIGIT | DIGIT)* - ; - -NON_DIGIT: [a-zA-Z_]; -DEC_DIGIT: [0-9]; -``` |