Robert Shearman : widl: Do constant folding for the sizeof operator on simple types.

Module: wine Branch: refs/heads/master Commit: 513996fde4a410df154e042166950a391d87c514 URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=513996fde4a410df154e042… Author: Robert Shearman <rob(a)codeweavers.com> Date: Tue Jan 31 18:06:25 2006 +0100 widl: Do constant folding for the sizeof operator on simple types. --- tools/widl/parser.y | 29 +++++++++++++++++++++++++++++ 1 files changed, 29 insertions(+), 0 deletions(-) diff --git a/tools/widl/parser.y b/tools/widl/parser.y index 49532a0..15f1367 100644 --- a/tools/widl/parser.y +++ b/tools/widl/parser.y @@ -877,6 +877,35 @@ static expr_t *make_exprt(enum expr_type e->is_const = FALSE; INIT_LINK(e); /* check for cast of constant expression */ + if (type == EXPR_SIZEOF) { + switch (tref->ref->type) { + case RPC_FC_BYTE: + case RPC_FC_CHAR: + case RPC_FC_SMALL: + case RPC_FC_USMALL: + e->is_const = TRUE; + e->cval = 1; + break; + case RPC_FC_WCHAR: + case RPC_FC_USHORT: + case RPC_FC_SHORT: + e->is_const = TRUE; + e->cval = 2; + break; + case RPC_FC_LONG: + case RPC_FC_ULONG: + case RPC_FC_FLOAT: + case RPC_FC_ERROR_STATUS_T: + e->is_const = TRUE; + e->cval = 4; + break; + case RPC_FC_HYPER: + case RPC_FC_DOUBLE: + e->is_const = TRUE; + e->cval = 8; + break; + } + } if (type == EXPR_CAST && expr->is_const) { e->is_const = TRUE; e->cval = expr->cval;