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Commit abd7cad4 authored by Yukihiro "Matz" Matsumoto's avatar Yukihiro "Matz" Matsumoto
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adjust node lineno of muiti line statements

parent 4b546e2c
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Showing with 79 additions and 45 deletions
src/parse.y
View file @ abd7cad4
......@@ -62,6 +62,7 @@ typedef unsigned int stack_type;
#define CMDARG_P() BITSTACK_SET_P(p->cmdarg_stack)
#define SET_LINENO(c,n) ((c)->lineno = (n))
#define NODE_LINENO(c,n) do {if (n) ((c)->lineno = (n)->lineno);} while (0)
#define sym(x) ((mrb_sym)(intptr_t)(x))
#define nsym(x) ((node*)(intptr_t)(x))
......@@ -275,8 +276,9 @@ new_scope(parser_state *p, node *body)
static node*
new_begin(parser_state *p, node *body)
{
if (body)
if (body) {
return list2((node*)NODE_BEGIN, body);
}
return cons((node*)NODE_BEGIN, 0);
}
......@@ -391,14 +393,20 @@ new_self(parser_state *p)
static node*
new_call(parser_state *p, node *a, mrb_sym b, node *c)
{
return list4((node*)NODE_CALL, a, nsym(b), c);
node *n = list4((node*)NODE_CALL, a, nsym(b), c);
NODE_LINENO(n, a);
return n;
}
/* (:fcall self mid args) */
static node*
new_fcall(parser_state *p, mrb_sym b, node *c)
{
return list4((node*)NODE_FCALL, new_self(p), nsym(b), c);
node *n = new_self(p);
NODE_LINENO(n, c);
n = list4((node*)NODE_FCALL, n, nsym(b), c);
NODE_LINENO(n, c);
return n;
}
/* (:super . c) */
......@@ -997,25 +1005,27 @@ heredoc_end(parser_state *p)
const struct vtable *vars;
}
%token
%token <num>
keyword_class
keyword_module
keyword_def
keyword_undef
keyword_begin
keyword_if
keyword_unless
keyword_while
keyword_until
keyword_for
%token
keyword_undef
keyword_rescue
keyword_ensure
keyword_end
keyword_if
keyword_unless
keyword_then
keyword_elsif
keyword_else
keyword_case
keyword_when
keyword_while
keyword_until
keyword_for
keyword_break
keyword_next
keyword_redo
......@@ -1155,6 +1165,7 @@ program : {
top_compstmt
{
p->tree = new_scope(p, $2);
NODE_LINENO(p->tree, $2);
}
;
......@@ -1171,6 +1182,7 @@ top_stmts : none
| top_stmt
{
$$ = new_begin(p, $1);
NODE_LINENO($$, $1);
}
| top_stmts terms top_stmt
{
......@@ -1202,6 +1214,7 @@ bodystmt : compstmt
{
if ($2) {
$$ = new_rescue(p, $1, $2, $3);
NODE_LINENO($$, $1);
}
else if ($3) {
yywarn(p, "else without rescue is useless");
......@@ -1234,10 +1247,11 @@ stmts : none
| stmt
{
$$ = new_begin(p, $1);
NODE_LINENO($$, $1);
}
| stmts terms stmt
{
$$ = push($1, newline_node($3));
$$ = push($1, newline_node($3));
}
| error stmt
{
......@@ -1255,7 +1269,7 @@ stmt : keyword_alias fsym {p->lstate = EXPR_FNAME;} fsym
}
| stmt modifier_if expr_value
{
$$ = new_if(p, cond($3), $1, 0);
$$ = new_if(p, cond($3), $1, 0);
}
| stmt modifier_unless expr_value
{
......@@ -1887,6 +1901,7 @@ aref_args : none
| args trailer
{
$$ = $1;
NODE_LINENO($$, $1);
}
| args ',' assocs trailer
{
......@@ -1895,6 +1910,7 @@ aref_args : none
| assocs trailer
{
$$ = cons(new_hash(p, $1), 0);
NODE_LINENO($$, $1);
}
;
......@@ -1913,36 +1929,44 @@ opt_call_args : none
| args ','
{
$$ = cons($1,0);
NODE_LINENO($$, $1);
}
| args ',' assocs ','
{
$$ = cons(push($1, new_hash(p, $3)), 0);
NODE_LINENO($$, $1);
}
| assocs ','
{
$$ = cons(list1(new_hash(p, $1)), 0);
NODE_LINENO($$, $1);
}
;
call_args : command
{
$$ = cons(list1($1), 0);
NODE_LINENO($$, $1);
}
| args opt_block_arg
{
$$ = cons($1, $2);
NODE_LINENO($$, $1);
}
| assocs opt_block_arg
{
$$ = cons(list1(new_hash(p, $1)), $2);
NODE_LINENO($$, $1);
}
| args ',' assocs opt_block_arg
{
$$ = cons(push($1, new_hash(p, $3)), $4);
NODE_LINENO($$, $1);
}
| block_arg
{
$$ = cons(0, $1);
NODE_LINENO($$, $1);
}
;
......@@ -1976,10 +2000,12 @@ opt_block_arg : ',' block_arg
args : arg_value
{
$$ = cons($1, 0);
NODE_LINENO($$, $1);
}
| tSTAR arg_value
{
$$ = cons(new_splat(p, $2), 0);
NODE_LINENO($$, $2);
}
| args ',' arg_value
{
......@@ -2026,23 +2052,23 @@ primary : literal
}
| keyword_begin
{
$<stack>1 = p->cmdarg_stack;
$<stack>$ = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
bodystmt
keyword_end
{
p->cmdarg_stack = $<stack>1;
p->cmdarg_stack = $<stack>2;
$$ = $3;
}
| tLPAREN_ARG
{
$<stack>1 = p->cmdarg_stack;
$<stack>$ = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
expr {p->lstate = EXPR_ENDARG;} rparen
{
p->cmdarg_stack = $<stack>1;
p->cmdarg_stack = $<stack>2;
$$ = $3;
}
| tLPAREN_ARG {p->lstate = EXPR_ENDARG;} rparen
......@@ -2064,10 +2090,12 @@ primary : literal
| tLBRACK aref_args ']'
{
$$ = new_array(p, $2);
NODE_LINENO($$, $2);
}
| tLBRACE assoc_list '}'
{
$$ = new_hash(p, $2);
NODE_LINENO($$, $2);
}
| keyword_return
{
......@@ -2122,6 +2150,7 @@ primary : literal
keyword_end
{
$$ = new_if(p, cond($2), $4, $5);
SET_LINENO($$, $1);
}
| keyword_unless expr_value then
compstmt
......@@ -2129,18 +2158,21 @@ primary : literal
keyword_end
{
$$ = new_unless(p, cond($2), $4, $5);
SET_LINENO($$, $1);
}
| keyword_while {COND_PUSH(1);} expr_value do {COND_POP();}
compstmt
keyword_end
{
$$ = new_while(p, cond($3), $6);
SET_LINENO($$, $1);
}
| keyword_until {COND_PUSH(1);} expr_value do {COND_POP();}
compstmt
keyword_end
{
$$ = new_until(p, cond($3), $6);
SET_LINENO($$, $1);
}
| keyword_case expr_value opt_terms
case_body
......@@ -2160,11 +2192,9 @@ primary : literal
keyword_end
{
$$ = new_for(p, $2, $5, $8);
SET_LINENO($$, $1);
}
| keyword_class
{
$<num>$ = p->lineno;
}
cpath superclass
{
if (p->in_def || p->in_single)
......@@ -2174,14 +2204,11 @@ primary : literal
bodystmt
keyword_end
{
$$ = new_class(p, $3, $4, $6);
SET_LINENO($$, $<num>2);
local_resume(p, $<nd>5);
$$ = new_class(p, $2, $3, $5);
SET_LINENO($$, $1);
local_resume(p, $<nd>4);
}
| keyword_class
{
$<num>$ = p->lineno;
}
tLSHFT expr
{
$<num>$ = p->in_def;
......@@ -2195,16 +2222,13 @@ primary : literal
bodystmt
keyword_end
{
$$ = new_sclass(p, $4, $8);
SET_LINENO($$, $<num>2);
local_resume(p, $<nd>7->car);
p->in_def = $<num>5;
p->in_single = (int)(intptr_t)$<nd>7->cdr;
$$ = new_sclass(p, $3, $7);
SET_LINENO($$, $1);
local_resume(p, $<nd>6->car);
p->in_def = $<num>4;
p->in_single = (int)(intptr_t)$<nd>6->cdr;
}
| keyword_module
{
$<num>$ = p->lineno;
}
cpath
{
if (p->in_def || p->in_single)
......@@ -2214,42 +2238,50 @@ primary : literal
bodystmt
keyword_end
{
$$ = new_module(p, $3, $5);
SET_LINENO($$, $<num>2);
local_resume(p, $<nd>4);
$$ = new_module(p, $2, $4);
SET_LINENO($$, $1);
local_resume(p, $<nd>3);
}
| keyword_def fname
{
$<stack>$ = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
{
p->in_def++;
$<nd>$ = local_switch(p);
$<stack>1 = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
f_arglist
bodystmt
keyword_end
{
$$ = new_def(p, $2, $4, $5);
local_resume(p, $<nd>3);
$$ = new_def(p, $2, $5, $6);
SET_LINENO($$, $1);
local_resume(p, $<nd>4);
p->in_def--;
p->cmdarg_stack = $<stack>1;
p->cmdarg_stack = $<stack>3;
}
| keyword_def singleton dot_or_colon {p->lstate = EXPR_FNAME;} fname
| keyword_def singleton dot_or_colon
{
p->lstate = EXPR_FNAME;
$<stack>$ = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
fname
{
p->in_single++;
p->lstate = EXPR_ENDFN; /* force for args */
$<nd>$ = local_switch(p);
$<stack>1 = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
f_arglist
bodystmt
keyword_end
{
$$ = new_sdef(p, $2, $5, $7, $8);
SET_LINENO($$, $1);
local_resume(p, $<nd>6);
p->in_single--;
p->cmdarg_stack = $<stack>1;
p->cmdarg_stack = $<stack>4;
}
| keyword_break
{
......@@ -3163,6 +3195,7 @@ assoc_list : none
assocs : assoc
{
$$ = list1($1);
NODE_LINENO($$, $1);
}
| assocs ',' assoc
{
......@@ -5210,6 +5243,7 @@ parser_yylex(parser_state *p)
kw = mrb_reserved_word(tok(p), toklen(p));
if (kw) {
enum mrb_lex_state_enum state = p->lstate;
yylval.num = p->lineno;
p->lstate = kw->state;
if (state == EXPR_FNAME) {
yylval.id = intern_cstr(kw->name);
......
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