add more log

src/calc.y

@@ -41,6 +41,8 @@ cJSON* jroot;
 	cJSON_AddStringToObject(node, "type", #type_name); \
 	cJSON_Add##json_type_name##ToObject(node, "value", value); \
 	res = node;
+
+#define MEET(msg) fprintf(stderr, "MEET: %s\n", #msg);
 %}
 
 %union {
@@ -245,19 +247,21 @@ op_where_expr: {$$=cJSON_CreateObject();}
 compare_expr: compare_expr bin_cmp_op compare_expr {
 	fprintf(stderr, "compare_expr %s\n", $2);
 	SIMPLE_OP_NODE($$, $2, $1, $3);}
-	| single_expr {$$=$1;}
+	| single_expr {MEET(single_expr from cmp) $$=$1;}
+	| where_expr {MEET(where_expr from cmp) $$=$1;}
 
 ;
 negative_expr: NOT negative_expr {
 		fprintf(stderr, "negative_expr\n");
 	SIMPLE_OP_NODE_ONLY_LEFT($$, "非", $2);}
-	| compare_expr {$$=$1;}
+	| compare_expr {MEET(compare_expr from neg) $$=$1;}
+	| where_expr {MEET(where_expr from neg) $$=$1;}
 ;
 logical_expr: logical_expr bin_logical_op negative_expr {
 	fprintf(stderr, "logical_expr %s\n", $2);
 	SIMPLE_OP_NODE($$, $2, $1, $3);}
-	| negative_expr {$$=$1;}
-	| single_expr {$$=$1;}
+	| negative_expr {MEET(negative_expr from log) $$=$1;}
+	| single_expr {MEET(single_expr from log) $$=$1;}
 ;
 
 // expr: compare_expr 
@@ -374,12 +378,12 @@ bin_cmp_op: '=' {$$ = "相等";}
 
 unary_compare_op: NOT {$$ = "非";};
 
-bin_logical_op: AND {$$ = "且";}
-	| OR {$$ = "或";}
-
+bin_logical_op: AND {MEET(and from bin_log) $$ = "且";}
+	| OR {MEET(or from bin_log) $$ = "或";}
+;
 bin_contains_op: IN {$$ = "包含于";}
 	| NOT IN {$$ = "不包含于";}
-
+;
 delete_stmt: DELETE FROM IDENTIFIER op_where_expr NEWLINE {
 		cJSON* node = cJSON_CreateObject();
 		cJSON_AddStringToObject(node, "type", "delete");