Jacek Caban : vbscript: Added 'and' expression parser/ compiler implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 69de07981a14cd74d44f98bc08034e5a4534a849
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=69de07981a14cd74d44f98bc08...

Author: Jacek Caban 
Date:   Wed Sep 14 12:59:02 2011 +0200

vbscript: Added 'and' expression parser/compiler implementation.

---

dlls/vbscript/compile.c  |    2 ++
 dlls/vbscript/interp.c   |    6 ++++++
 dlls/vbscript/parse.h    |    1 +
 dlls/vbscript/parser.y   |    8 ++++++--
 dlls/vbscript/vbscript.h |    1 +
 5 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/dlls/vbscript/compile.c b/dlls/vbscript/compile.c
index 21b50bd..9b74bb7 100644
--- a/dlls/vbscript/compile.c
+++ b/dlls/vbscript/compile.c
@@ -356,6 +356,8 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
     switch(expr->type) {
     case EXPR_ADD:
         return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_add);
+    case EXPR_AND:
+        return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_and);
     case EXPR_BOOL:
         return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
     case EXPR_CONCAT:
diff --git a/dlls/vbscript/interp.c b/dlls/vbscript/interp.c
index 5c75a14..5b57306 100644
--- a/dlls/vbscript/interp.c
+++ b/dlls/vbscript/interp.c
@@ -564,6 +564,12 @@ static HRESULT interp_not(exec_ctx_t *ctx)
     return stack_push(ctx, &v);
 }

+static HRESULT interp_and(exec_ctx_t *ctx)
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
 static HRESULT cmp_oper(exec_ctx_t *ctx)
 {
     variant_val_t l, r;
diff --git a/dlls/vbscript/parse.h b/dlls/vbscript/parse.h
index 6406fc2..d61a5f0 100644
--- a/dlls/vbscript/parse.h
+++ b/dlls/vbscript/parse.h
@@ -18,6 +18,7 @@

typedef enum {
     EXPR_ADD,
+    EXPR_AND,
     EXPR_BOOL,
     EXPR_CONCAT,
     EXPR_DIV,
diff --git a/dlls/vbscript/parser.y b/dlls/vbscript/parser.y
index 870a665..5c04681 100644
--- a/dlls/vbscript/parser.y
+++ b/dlls/vbscript/parser.y
@@ -98,7 +98,7 @@ static arg_decl_t *new_argument_decl(parser_ctx_t*,const WCHAR*,BOOL);
 %type <statement> Statement StatementNl StatementsNl StatementsNl_opt IfStatement Else_opt
 %type <expression> Expression LiteralExpression PrimaryExpression EqualityExpression CallExpression
 %type <expression> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
-%type <expression> NotExpression UnaryExpression
+%type <expression> NotExpression UnaryExpression AndExpression
 %type <member> MemberExpression
 %type <expression> Arguments_opt ArgumentList_opt ArgumentList
 %type <bool> OptionExplicit_opt
@@ -188,7 +188,11 @@ EmptyBrackets_opt
     | tEMPTYBRACKETS

Expression
-    : NotExpression                 { $$ = $1; }
+    : AndExpression                             { $$ = $1; }
+
+AndExpression
+    : NotExpression                             { $$ = $1; }
+    | AndExpression tAND NotExpression          { $$ = new_binary_expression(ctx, EXPR_AND, $1, $3); CHECK_ERROR; }

NotExpression
     : EqualityExpression            { $$ = $1; }
diff --git a/dlls/vbscript/vbscript.h b/dlls/vbscript/vbscript.h
index 3fb57e4..1d2f95d 100644
--- a/dlls/vbscript/vbscript.h
+++ b/dlls/vbscript/vbscript.h
@@ -117,6 +117,7 @@ typedef enum {

#define OP_LIST                                   \
     X(add,            1, 0,           0)          \
+    X(and,            1, 0,           0)          \
     X(assign_ident,   1, ARG_BSTR,    0)          \
     X(assign_member,  1, ARG_BSTR,    0)          \
     X(bool,           1, ARG_INT,     0)          \