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Added varargs code.

This commit is contained in:
Guido van Rossum 1992-01-14 18:30:26 +00:00
parent 92df0c67d0
commit 49d6dc4123
1 changed files with 28 additions and 9 deletions
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37
Python/compile.c
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@ -1955,6 +1955,30 @@ com_fplist(c, n)
} }
} }
static void
com_arglist(c, n)
struct compiling *c;
node *n;
{
int i, nargs, op;
REQ(n, varargslist);
/* varargslist: (fpdef ',')* '+' NAME | fpdef (',' fpdef)* [','] */
op = UNPACK_ARG;
nargs = (NCH(n) + 1) / 2;
for (i = 0; i < NCH(n); i += 2) {
if (TYPE(CHILD(n, i)) == PLUS) {
op = UNPACK_VARARG;
nargs = i/2;
break;
}
}
com_addoparg(c, op, nargs);
for (i = 0; i < 2*nargs; i += 2)
com_fpdef(c, CHILD(n, i));
if (op == UNPACK_VARARG)
com_addopname(c, STORE_NAME, CHILD(n, 2*nargs+1));
}
static void static void
com_file_input(c, n) com_file_input(c, n)
struct compiling *c; struct compiling *c;
@ -1978,17 +2002,12 @@ compile_funcdef(c, n)
{ {
node *ch; node *ch;
REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */ REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */
ch = CHILD(n, 2); /* parameters: '(' [fplist] ')' */ ch = CHILD(n, 2); /* parameters: '(' [varargslist] ')' */
ch = CHILD(ch, 1); /* ')' | fplist */ ch = CHILD(ch, 1); /* ')' | varargslist */
if (TYPE(ch) == RPAR) if (TYPE(ch) == RPAR)
com_addoparg(c, UNPACK_ARG, 0); com_addoparg(c, UNPACK_ARG, 0);
else { else
int i; com_arglist(c, ch);
REQ(ch, fplist); /* fplist: fpdef (',' fpdef)* */
com_addoparg(c, UNPACK_ARG, (NCH(ch)+1)/2);
for (i = 0; i < NCH(ch); i += 2)
com_fpdef(c, CHILD(ch, i));
}
c->c_infunction = 1; c->c_infunction = 1;
com_node(c, CHILD(n, 4)); com_node(c, CHILD(n, 4));
c->c_infunction = 0; c->c_infunction = 0;