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* parse.y (stmt): check if rhs has value before assignment instead

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inside node_assign_gen().  [ruby-dev:31293]

* parse.y (call_bin_op_gen, call_uni_op_gen): split call_op_gen.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2007-08-09 07:04:56 +00:00
parent fb20d67ff5
commit ae709e831f
2 changed files with 68 additions and 50 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Thu Aug 9 16:04:55 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (stmt): check if rhs has value before assignment instead
inside node_assign_gen(). [ruby-dev:31293]
* parse.y (call_bin_op_gen, call_uni_op_gen): split call_op_gen.
Thu Aug 9 14:01:36 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> Thu Aug 9 14:01:36 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (f_marg_list): renamed from f_marg_head. * parse.y (f_marg_list): renamed from f_marg_head.

107
parse.y
View file

@ -354,8 +354,10 @@ static NODE *new_evstr_gen(struct parser_params*,NODE*);
static NODE *evstr2dstr_gen(struct parser_params*,NODE*); static NODE *evstr2dstr_gen(struct parser_params*,NODE*);
#define evstr2dstr(n) evstr2dstr_gen(parser,n) #define evstr2dstr(n) evstr2dstr_gen(parser,n)
static NODE *call_op_gen(struct parser_params*,NODE*,ID,int,NODE*); static NODE *call_bin_op_gen(struct parser_params*,NODE*,ID,NODE*);
#define call_op(recv,id,narg,arg1) call_op_gen(parser, recv,id,narg,arg1) #define call_bin_op(recv,id,arg1) call_bin_op_gen(parser, recv,id,arg1)
static NODE *call_uni_op_gen(struct parser_params*,NODE*,ID);
#define call_uni_op(recv,id) call_uni_op_gen(parser, recv,id)
static NODE *new_args_gen(struct parser_params*,NODE*,NODE*,ID,NODE*,ID); static NODE *new_args_gen(struct parser_params*,NODE*,NODE*,ID,NODE*,ID);
#define new_args(f,o,r,p,b) new_args_gen(parser, f,o,r,p,b) #define new_args(f,o,r,p,b) new_args_gen(parser, f,o,r,p,b)
@ -368,6 +370,8 @@ static NODE *ret_args_gen(struct parser_params*,NODE*);
static NODE *arg_blk_pass(NODE*,NODE*); static NODE *arg_blk_pass(NODE*,NODE*);
static NODE *new_yield_gen(struct parser_params*,NODE*); static NODE *new_yield_gen(struct parser_params*,NODE*);
#define new_yield(node) new_yield_gen(parser, node) #define new_yield(node) new_yield_gen(parser, node)
static NODE *new_not_gen(struct parser_params*,NODE*);
#define new_not(node) new_not_gen(parser, node)
static NODE *gettable_gen(struct parser_params*,ID); static NODE *gettable_gen(struct parser_params*,ID);
#define gettable(id) gettable_gen(parser,id) #define gettable(id) gettable_gen(parser,id)
@ -964,6 +968,7 @@ stmt : keyword_alias fitem {lex_state = EXPR_FNAME;} fitem
| lhs '=' command_call | lhs '=' command_call
{ {
/*%%%*/ /*%%%*/
value_expr($3);
$$ = node_assign($1, $3); $$ = node_assign($1, $3);
/*% /*%
$$ = dispatch2(assign, $1, $3); $$ = dispatch2(assign, $1, $3);
@ -998,7 +1003,7 @@ stmt : keyword_alias fitem {lex_state = EXPR_FNAME;} fitem
} }
else { else {
$$ = $1; $$ = $1;
$$->nd_value = call_op(gettable(vid),$2,1,$3); $$->nd_value = NEW_CALL(gettable(vid), $2, NEW_LIST($3));
} }
} }
else { else {
@ -1093,6 +1098,7 @@ stmt : keyword_alias fitem {lex_state = EXPR_FNAME;} fitem
| lhs '=' mrhs | lhs '=' mrhs
{ {
/*%%%*/ /*%%%*/
value_expr($3);
$$ = node_assign($1, $3); $$ = node_assign($1, $3);
/*% /*%
$$ = dispatch2(assign, $1, $3); $$ = dispatch2(assign, $1, $3);
@ -1139,7 +1145,7 @@ expr : command_call
| keyword_not expr | keyword_not expr
{ {
/*%%%*/ /*%%%*/
$$ = NEW_NOT(cond($2)); $$ = new_not($2);
/*% /*%
$$ = dispatch2(unary, ripper_intern("not"), $2); $$ = dispatch2(unary, ripper_intern("not"), $2);
%*/ %*/
@ -1147,7 +1153,7 @@ expr : command_call
| '!' command_call | '!' command_call
{ {
/*%%%*/ /*%%%*/
$$ = NEW_NOT(cond($2)); $$ = new_not($2);
/*% /*%
$$ = dispatch2(unary, ID2SYM('!'), $2); $$ = dispatch2(unary, ID2SYM('!'), $2);
%*/ %*/
@ -1759,6 +1765,7 @@ reswords : keyword__LINE__ | keyword__FILE__ | keyword_BEGIN | keyword_END
arg : lhs '=' arg arg : lhs '=' arg
{ {
/*%%%*/ /*%%%*/
value_expr($3);
$$ = node_assign($1, $3); $$ = node_assign($1, $3);
/*% /*%
$$ = dispatch2(assign, $1, $3); $$ = dispatch2(assign, $1, $3);
@ -1775,6 +1782,7 @@ arg : lhs '=' arg
| var_lhs tOP_ASGN arg | var_lhs tOP_ASGN arg
{ {
/*%%%*/ /*%%%*/
value_expr($3);
if ($1) { if ($1) {
ID vid = $1->nd_vid; ID vid = $1->nd_vid;
if ($2 == tOROP) { if ($2 == tOROP) {
@ -1790,7 +1798,7 @@ arg : lhs '=' arg
} }
else { else {
$$ = $1; $$ = $1;
$$->nd_value = call_op(gettable(vid),$2,1,$3); $$->nd_value = NEW_CALL(gettable(vid), $2, NEW_LIST($3));
} }
} }
else { else {
@ -1942,7 +1950,7 @@ arg : lhs '=' arg
| arg '+' arg | arg '+' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '+', 1, $3); $$ = call_bin_op($1, '+', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('+'), $3); $$ = dispatch3(binary, $1, ID2SYM('+'), $3);
%*/ %*/
@ -1950,7 +1958,7 @@ arg : lhs '=' arg
| arg '-' arg | arg '-' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '-', 1, $3); $$ = call_bin_op($1, '-', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('-'), $3); $$ = dispatch3(binary, $1, ID2SYM('-'), $3);
%*/ %*/
@ -1958,7 +1966,7 @@ arg : lhs '=' arg
| arg '*' arg | arg '*' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '*', 1, $3); $$ = call_bin_op($1, '*', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('*'), $3); $$ = dispatch3(binary, $1, ID2SYM('*'), $3);
%*/ %*/
@ -1966,7 +1974,7 @@ arg : lhs '=' arg
| arg '/' arg | arg '/' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '/', 1, $3); $$ = call_bin_op($1, '/', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('/'), $3); $$ = dispatch3(binary, $1, ID2SYM('/'), $3);
%*/ %*/
@ -1974,7 +1982,7 @@ arg : lhs '=' arg
| arg '%' arg | arg '%' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '%', 1, $3); $$ = call_bin_op($1, '%', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('%'), $3); $$ = dispatch3(binary, $1, ID2SYM('%'), $3);
%*/ %*/
@ -1982,7 +1990,7 @@ arg : lhs '=' arg
| arg tPOW arg | arg tPOW arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tPOW, 1, $3); $$ = call_bin_op($1, tPOW, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("**"), $3); $$ = dispatch3(binary, $1, ripper_intern("**"), $3);
%*/ %*/
@ -1990,7 +1998,7 @@ arg : lhs '=' arg
| tUMINUS_NUM tINTEGER tPOW arg | tUMINUS_NUM tINTEGER tPOW arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op(call_op($2, tPOW, 1, $4), tUMINUS, 0, 0); $$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
/*% /*%
$$ = dispatch3(binary, $2, ripper_intern("**"), $4); $$ = dispatch3(binary, $2, ripper_intern("**"), $4);
$$ = dispatch2(unary, ripper_intern("-@"), $$); $$ = dispatch2(unary, ripper_intern("-@"), $$);
@ -1999,7 +2007,7 @@ arg : lhs '=' arg
| tUMINUS_NUM tFLOAT tPOW arg | tUMINUS_NUM tFLOAT tPOW arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op(call_op($2, tPOW, 1, $4), tUMINUS, 0, 0); $$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
/*% /*%
$$ = dispatch3(binary, $2, ripper_intern("**"), $4); $$ = dispatch3(binary, $2, ripper_intern("**"), $4);
$$ = dispatch2(unary, ripper_intern("-@"), $$); $$ = dispatch2(unary, ripper_intern("-@"), $$);
@ -2012,7 +2020,7 @@ arg : lhs '=' arg
$$ = $2; $$ = $2;
} }
else { else {
$$ = call_op($2, tUPLUS, 0, 0); $$ = call_uni_op($2, tUPLUS);
} }
/*% /*%
$$ = dispatch2(unary, ripper_intern("+@"), $2); $$ = dispatch2(unary, ripper_intern("+@"), $2);
@ -2021,7 +2029,7 @@ arg : lhs '=' arg
| tUMINUS arg | tUMINUS arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($2, tUMINUS, 0, 0); $$ = call_uni_op($2, tUMINUS);
/*% /*%
$$ = dispatch2(unary, ripper_intern("-@"), $2); $$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/ %*/
@ -2029,7 +2037,7 @@ arg : lhs '=' arg
| arg '|' arg | arg '|' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '|', 1, $3); $$ = call_bin_op($1, '|', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('!'), $3); $$ = dispatch3(binary, $1, ID2SYM('!'), $3);
%*/ %*/
@ -2037,7 +2045,7 @@ arg : lhs '=' arg
| arg '^' arg | arg '^' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '^', 1, $3); $$ = call_bin_op($1, '^', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('^'), $3); $$ = dispatch3(binary, $1, ID2SYM('^'), $3);
%*/ %*/
@ -2045,7 +2053,7 @@ arg : lhs '=' arg
| arg '&' arg | arg '&' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '&', 1, $3); $$ = call_bin_op($1, '&', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('&'), $3); $$ = dispatch3(binary, $1, ID2SYM('&'), $3);
%*/ %*/
@ -2053,7 +2061,7 @@ arg : lhs '=' arg
| arg tCMP arg | arg tCMP arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tCMP, 1, $3); $$ = call_bin_op($1, tCMP, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("<=>"), $3); $$ = dispatch3(binary, $1, ripper_intern("<=>"), $3);
%*/ %*/
@ -2061,7 +2069,7 @@ arg : lhs '=' arg
| arg '>' arg | arg '>' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '>', 1, $3); $$ = call_bin_op($1, '>', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('>'), $3); $$ = dispatch3(binary, $1, ID2SYM('>'), $3);
%*/ %*/
@ -2069,7 +2077,7 @@ arg : lhs '=' arg
| arg tGEQ arg | arg tGEQ arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tGEQ, 1, $3); $$ = call_bin_op($1, tGEQ, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern(">="), $3); $$ = dispatch3(binary, $1, ripper_intern(">="), $3);
%*/ %*/
@ -2077,7 +2085,7 @@ arg : lhs '=' arg
| arg '<' arg | arg '<' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, '<', 1, $3); $$ = call_bin_op($1, '<', $3);
/*% /*%
$$ = dispatch3(binary, $1, ID2SYM('<'), $3); $$ = dispatch3(binary, $1, ID2SYM('<'), $3);
%*/ %*/
@ -2085,7 +2093,7 @@ arg : lhs '=' arg
| arg tLEQ arg | arg tLEQ arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tLEQ, 1, $3); $$ = call_bin_op($1, tLEQ, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("<="), $3); $$ = dispatch3(binary, $1, ripper_intern("<="), $3);
%*/ %*/
@ -2093,7 +2101,7 @@ arg : lhs '=' arg
| arg tEQ arg | arg tEQ arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tEQ, 1, $3); $$ = call_bin_op($1, tEQ, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("=="), $3); $$ = dispatch3(binary, $1, ripper_intern("=="), $3);
%*/ %*/
@ -2101,7 +2109,7 @@ arg : lhs '=' arg
| arg tEQQ arg | arg tEQQ arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tEQQ, 1, $3); $$ = call_bin_op($1, tEQQ, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("==="), $3); $$ = dispatch3(binary, $1, ripper_intern("==="), $3);
%*/ %*/
@ -2109,7 +2117,7 @@ arg : lhs '=' arg
| arg tNEQ arg | arg tNEQ arg
{ {
/*%%%*/ /*%%%*/
$$ = NEW_NOT(call_op($1, tEQ, 1, $3)); $$ = NEW_NOT(call_bin_op($1, tEQ, $3));
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("!="), $3); $$ = dispatch3(binary, $1, ripper_intern("!="), $3);
%*/ %*/
@ -2133,7 +2141,7 @@ arg : lhs '=' arg
| '!' arg | '!' arg
{ {
/*%%%*/ /*%%%*/
$$ = NEW_NOT(cond($2)); $$ = new_not($2);
/*% /*%
$$ = dispatch2(unary, ID2SYM('!'), $2); $$ = dispatch2(unary, ID2SYM('!'), $2);
%*/ %*/
@ -2141,7 +2149,7 @@ arg : lhs '=' arg
| '~' arg | '~' arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($2, '~', 0, 0); $$ = call_uni_op($2, '~');
/*% /*%
$$ = dispatch2(unary, ID2SYM('~'), $2); $$ = dispatch2(unary, ID2SYM('~'), $2);
%*/ %*/
@ -2149,7 +2157,7 @@ arg : lhs '=' arg
| arg tLSHFT arg | arg tLSHFT arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tLSHFT, 1, $3); $$ = call_bin_op($1, tLSHFT, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern("<<"), $3); $$ = dispatch3(binary, $1, ripper_intern("<<"), $3);
%*/ %*/
@ -2157,7 +2165,7 @@ arg : lhs '=' arg
| arg tRSHFT arg | arg tRSHFT arg
{ {
/*%%%*/ /*%%%*/
$$ = call_op($1, tRSHFT, 1, $3); $$ = call_bin_op($1, tRSHFT, $3);
/*% /*%
$$ = dispatch3(binary, $1, ripper_intern(">>"), $3); $$ = dispatch3(binary, $1, ripper_intern(">>"), $3);
%*/ %*/
@ -2191,6 +2199,7 @@ arg : lhs '=' arg
| arg '?' arg opt_nl ':' arg | arg '?' arg opt_nl ':' arg
{ {
/*%%%*/ /*%%%*/
value_expr($1);
$$ = NEW_IF(cond($1), $3, $6); $$ = NEW_IF(cond($1), $3, $6);
fixpos($$, $1); fixpos($$, $1);
/*% /*%
@ -2738,13 +2747,13 @@ primary : literal
NODE *one = NEW_LIST(NEW_LIT(INT2FIX(1))); NODE *one = NEW_LIST(NEW_LIT(INT2FIX(1)));
NODE *zero = NEW_LIST(NEW_LIT(INT2FIX(0))); NODE *zero = NEW_LIST(NEW_LIT(INT2FIX(0)));
m->nd_next = block_append( m->nd_next = block_append(
NEW_IF(cond( NEW_IF(
NEW_NODE(NODE_AND, NEW_NODE(NODE_AND,
NEW_CALL(NEW_CALL(NEW_DVAR(id), rb_intern("length"), 0), NEW_CALL(NEW_CALL(NEW_DVAR(id), rb_intern("length"), 0),
rb_intern("=="), one), rb_intern("=="), one),
NEW_CALL(NEW_CALL(NEW_DVAR(id), rb_intern("[]"), zero), NEW_CALL(NEW_CALL(NEW_DVAR(id), rb_intern("[]"), zero),
rb_intern("kind_of?"), NEW_LIST(NEW_LIT(rb_cArray))), rb_intern("kind_of?"), NEW_LIST(NEW_LIT(rb_cArray))),
0)), 0),
NEW_DASGN_CURR(id, NEW_DASGN_CURR(id,
NEW_CALL(NEW_DVAR(id), rb_intern("[]"), zero)), NEW_CALL(NEW_DVAR(id), rb_intern("[]"), zero)),
0), 0),
@ -7138,17 +7147,18 @@ new_evstr_gen(struct parser_params *parser, NODE *node)
} }
static NODE * static NODE *
call_op_gen(struct parser_params *parser, NODE *recv, ID id, int narg, NODE *arg1) call_bin_op_gen(struct parser_params *parser, NODE *recv, ID id, NODE *arg1)
{ {
value_expr(recv);
value_expr(arg1); value_expr(arg1);
if (narg == 1) { return NEW_CALL(recv, id, NEW_LIST(arg1));
value_expr(arg1);
arg1 = NEW_LIST(arg1);
} }
else {
arg1 = 0; static NODE *
} call_uni_op_gen(struct parser_params *parser, NODE *recv, ID id)
return NEW_CALL(recv, id, arg1); {
value_expr(recv);
return NEW_CALL(recv, id, 0);
} }
static NODE* static NODE*
@ -7326,8 +7336,6 @@ aryset_gen(struct parser_params *parser, NODE *recv, NODE *idx)
{ {
if (recv && nd_type(recv) == NODE_SELF) if (recv && nd_type(recv) == NODE_SELF)
recv = (NODE *)1; recv = (NODE *)1;
else
value_expr(recv);
return NEW_ATTRASGN(recv, tASET, idx); return NEW_ATTRASGN(recv, tASET, idx);
} }
@ -7352,8 +7360,6 @@ attrset_gen(struct parser_params *parser, NODE *recv, ID id)
{ {
if (recv && nd_type(recv) == NODE_SELF) if (recv && nd_type(recv) == NODE_SELF)
recv = (NODE *)1; recv = (NODE *)1;
else
value_expr(recv);
return NEW_ATTRASGN(recv, rb_id_attrset(id), 0); return NEW_ATTRASGN(recv, rb_id_attrset(id), 0);
} }
@ -7417,7 +7423,6 @@ node_assign_gen(struct parser_params *parser, NODE *lhs, NODE *rhs)
{ {
if (!lhs) return 0; if (!lhs) return 0;
value_expr(rhs);
switch (nd_type(lhs)) { switch (nd_type(lhs)) {
case NODE_GASGN: case NODE_GASGN:
case NODE_IASGN: case NODE_IASGN:
@ -7735,7 +7740,7 @@ range_op(struct parser_params *parser, NODE *node)
type = nd_type(node); type = nd_type(node);
if (type == NODE_LIT && FIXNUM_P(node->nd_lit)) { if (type == NODE_LIT && FIXNUM_P(node->nd_lit)) {
warn_unless_e_option(node, "integer literal in conditional range"); warn_unless_e_option(node, "integer literal in conditional range");
return call_op(node,tEQ,1,NEW_GVAR(rb_intern("$."))); return NEW_CALL(node, tEQ, NEW_LIST(NEW_GVAR(rb_intern("$."))));
} }
return node; return node;
} }
@ -7822,7 +7827,6 @@ static NODE*
cond_gen(struct parser_params *parser, NODE *node) cond_gen(struct parser_params *parser, NODE *node)
{ {
if (node == 0) return 0; if (node == 0) return 0;
value_expr(node);
return cond0(parser, node); return cond0(parser, node);
} }
@ -7897,6 +7901,13 @@ new_yield_gen(struct parser_params *parser, NODE *node)
return NEW_YIELD(node, state); return NEW_YIELD(node, state);
} }
static NODE *
new_not_gen(struct parser_params *parser, NODE *node)
{
value_expr(node);
return NEW_NOT(cond(node));
}
static NODE* static NODE*
negate_lit(NODE *node) negate_lit(NODE *node)
{ {