Jacek Caban : jscript: Use bytecode for int literal implementation.
Alexandre Julliard
julliard at winehq.org
Wed Nov 23 13:40:05 CST 2011
Module: wine
Branch: master
Commit: b3feafab41893ea997cf94526c2e60cd76174045
URL: http://source.winehq.org/git/wine.git/?a=commit;h=b3feafab41893ea997cf94526c2e60cd76174045
Author: Jacek Caban <jacek at codeweavers.com>
Date: Wed Nov 23 12:13:46 2011 +0100
jscript: Use bytecode for int literal implementation.
---
dlls/jscript/compile.c | 26 ++++++++++++++++++++++++++
dlls/jscript/engine.c | 13 +++++++++++++
dlls/jscript/engine.h | 5 ++++-
3 files changed, 43 insertions(+), 1 deletions(-)
diff --git a/dlls/jscript/compile.c b/dlls/jscript/compile.c
index e36dcbe..780e6b5 100644
--- a/dlls/jscript/compile.c
+++ b/dlls/jscript/compile.c
@@ -66,6 +66,18 @@ static inline instr_t *instr_ptr(compiler_ctx_t *ctx, unsigned off)
return ctx->code->instrs + off;
}
+static HRESULT push_instr_int(compiler_ctx_t *ctx, jsop_t op, LONG arg)
+{
+ unsigned instr;
+
+ instr = push_instr(ctx, op);
+ if(instr == -1)
+ return E_OUTOFMEMORY;
+
+ instr_ptr(ctx, instr)->arg1.lng = arg;
+ return S_OK;
+}
+
static HRESULT compile_binary_expression(compiler_ctx_t *ctx, binary_expression_t *expr, jsop_t op)
{
HRESULT hres;
@@ -104,6 +116,18 @@ static HRESULT compile_interp_fallback(compiler_ctx_t *ctx, expression_t *expr)
return S_OK;
}
+static HRESULT compile_literal(compiler_ctx_t *ctx, literal_expression_t *expr)
+{
+ literal_t *literal = expr->literal;
+
+ switch(literal->type) {
+ case LT_INT:
+ return push_instr_int(ctx, OP_int, literal->u.lval);
+ default:
+ return compile_interp_fallback(ctx, &expr->expr);
+ }
+}
+
static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
{
switch(expr->type) {
@@ -115,6 +139,8 @@ static HRESULT compile_expression(compiler_ctx_t *ctx, expression_t *expr)
return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_eq2);
case EXPR_IN:
return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_in);
+ case EXPR_LITERAL:
+ return compile_literal(ctx, (literal_expression_t*)expr);
case EXPR_LOGNEG:
return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_neg);
case EXPR_NOTEQEQ:
diff --git a/dlls/jscript/engine.c b/dlls/jscript/engine.c
index c6b9eef..792ba13 100644
--- a/dlls/jscript/engine.c
+++ b/dlls/jscript/engine.c
@@ -1724,6 +1724,19 @@ HRESULT identifier_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD
return hres;
}
+/* ECMA-262 3rd Edition 7.8.3 */
+HRESULT interp_int(exec_ctx_t *ctx)
+{
+ const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
+ VARIANT v;
+
+ TRACE("%d\n", arg);
+
+ V_VT(&v) = VT_I4;
+ V_I4(&v) = arg;
+ return stack_push(ctx, &v);
+}
+
/* ECMA-262 3rd Edition 7.8 */
HRESULT literal_expression_eval(script_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
{
diff --git a/dlls/jscript/engine.h b/dlls/jscript/engine.h
index e5e316f..c210bb7 100644
--- a/dlls/jscript/engine.h
+++ b/dlls/jscript/engine.h
@@ -46,6 +46,7 @@ typedef struct _func_stack {
X(bneg, 1, 0) \
X(eq2, 1, 0) \
X(in, 1, 0) \
+ X(int, 1, ARG_INT) \
X(neg, 1, 0) \
X(neq2, 1, 0) \
X(tonum, 1, 0) \
@@ -61,11 +62,13 @@ OP_LIST
typedef union {
expression_t *expr;
+ LONG lng;
} instr_arg_t;
typedef enum {
ARG_NONE = 0,
- ARG_EXPR
+ ARG_EXPR,
+ ARG_INT
} instr_arg_type_t;
typedef struct {
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