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fix parser and semantic v2.2

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yenru0
2025-12-05 02:09:12 +09:00
parent d46fd36bcb
commit f524a9e165
5 changed files with 72 additions and 29 deletions
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21
src/cminus.y
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@@ -73,7 +73,10 @@ var_declaration : type_specifier name_specifier SEMI {
} | type_specifier name_specifier LBRACE number_specifier RBRACE SEMI {
$$ = newDeclNode(ArrVarK);
$$->lineno = savedLineNo;
$$->type = IntegerArray;
if ($1->type == Integer)
$$->type = IntegerArray;
else
$$->type = Void;
$$->attr.name = savedName;
free($1);
$$->child[0] = newExpNode(ConstK);
@@ -219,7 +222,7 @@ var : name_specifier {
simple_expression : additive_expression relop additive_expression {
$$ = $2;
$$->lineno = lineno;
$$->lineno = $2->lineno;
$$->child[0] = $1;
$$->child[1] = $3;
$$->type = Integer;
@@ -227,51 +230,61 @@ simple_expression : additive_expression relop additive_expression {
relop : LE {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = LE;
} | LT {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = LT;
} | GT {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = GT;
} | GE {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = GE;
} | EQ {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = EQ;
} | NE {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = NE;
};
additive_expression : additive_expression addop term {
$$ = $2;
$$->lineno = lineno;
$$->lineno = $2->lineno;
$$->child[0] = $1;
$$->child[1] = $3;
} | term { $$ = $1; };
addop : PLUS {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = PLUS;
} | MINUS {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = MINUS;
};
term : term mulop factor {
$$ = $2;
$$->lineno = lineno;
$$->lineno = $2->lineno;
$$->child[0] = $1;
$$->child[1] = $3;
} | factor { $$ = $1; };
mulop : TIMES {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = TIMES;
} | OVER {
$$ = newExpNode(OpK);
$$->lineno = lineno;
$$->attr.op = OVER;
};