Jacek Caban : vbscript: Use 0 as invalid instruction offset.
Module: wine Branch: master Commit: ff96e75996b298c3e91f4ade9f4bd8c735c550ec URL: http://source.winehq.org/git/wine.git/?a=commit;h=ff96e75996b298c3e91f4ade9f... Author: Jacek Caban <jacek(a)codeweavers.com> Date: Mon Jan 16 12:40:26 2012 +0100 vbscript: Use 0 as invalid instruction offset. --- dlls/vbscript/compile.c | 50 +++++++++++++++++++++++----------------------- 1 files changed, 25 insertions(+), 25 deletions(-) diff --git a/dlls/vbscript/compile.c b/dlls/vbscript/compile.c index 9f62a23..df6dd2f 100644 --- a/dlls/vbscript/compile.c +++ b/dlls/vbscript/compile.c @@ -148,7 +148,7 @@ static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op) new_instr = heap_realloc(ctx->code->instrs, ctx->instr_size*2*sizeof(instr_t)); if(!new_instr) - return -1; + return 0; ctx->code->instrs = new_instr; ctx->instr_size *= 2; @@ -163,7 +163,7 @@ static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg) unsigned ret; ret = push_instr(ctx, op); - if(ret == -1) + if(!ret) return E_OUTOFMEMORY; instr_ptr(ctx, ret)->arg1.lng = arg; @@ -175,7 +175,7 @@ static HRESULT push_instr_uint(compile_ctx_t *ctx, vbsop_t op, unsigned arg) unsigned ret; ret = push_instr(ctx, op); - if(ret == -1) + if(!ret) return E_OUTOFMEMORY; instr_ptr(ctx, ret)->arg1.uint = arg; @@ -187,7 +187,7 @@ static HRESULT push_instr_addr(compile_ctx_t *ctx, vbsop_t op, unsigned arg) unsigned ret; ret = push_instr(ctx, op); - if(ret == -1) + if(!ret) return E_OUTOFMEMORY; instr_ptr(ctx, ret)->arg1.uint = arg; @@ -204,7 +204,7 @@ static HRESULT push_instr_str(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg) return E_OUTOFMEMORY; instr = push_instr(ctx, op); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; instr_ptr(ctx, instr)->arg1.str = str; @@ -221,7 +221,7 @@ static HRESULT push_instr_double(compile_ctx_t *ctx, vbsop_t op, double arg) return E_OUTOFMEMORY; instr = push_instr(ctx, op); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; *d = arg; @@ -264,7 +264,7 @@ static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg) return E_OUTOFMEMORY; instr = push_instr(ctx, op); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; instr_ptr(ctx, instr)->arg1.bstr = bstr; @@ -281,7 +281,7 @@ static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR return E_OUTOFMEMORY; instr = push_instr(ctx, op); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; instr_ptr(ctx, instr)->arg1.bstr = bstr; @@ -394,7 +394,7 @@ static HRESULT compile_unary_expression(compile_ctx_t *ctx, unary_expression_t * if(FAILED(hres)) return hres; - return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK; + return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY; } static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t *expr, vbsop_t op) @@ -409,7 +409,7 @@ static HRESULT compile_binary_expression(compile_ctx_t *ctx, binary_expression_t if(FAILED(hres)) return hres; - return push_instr(ctx, op) == -1 ? E_OUTOFMEMORY : S_OK; + return push_instr(ctx, op) ? S_OK : E_OUTOFMEMORY; } static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr) @@ -428,7 +428,7 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr) case EXPR_DOUBLE: return push_instr_double(ctx, OP_double, ((double_expression_t*)expr)->value); case EXPR_EMPTY: - return push_instr(ctx, OP_empty) != -1 ? S_OK : E_OUTOFMEMORY; + return push_instr(ctx, OP_empty) ? S_OK : E_OUTOFMEMORY; case EXPR_EQUAL: return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_equal); case EXPR_EQV: @@ -450,7 +450,7 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr) case EXPR_LTEQ: return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_lteq); case EXPR_ME: - return push_instr(ctx, OP_me) != -1 ? S_OK : E_OUTOFMEMORY; + return push_instr(ctx, OP_me) ? S_OK : E_OUTOFMEMORY; case EXPR_MEMBER: return compile_member_expression(ctx, (member_expression_t*)expr, TRUE); case EXPR_MOD: @@ -466,9 +466,9 @@ static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr) case EXPR_NOT: return compile_unary_expression(ctx, (unary_expression_t*)expr, OP_not); case EXPR_NOTHING: - return push_instr(ctx, OP_nothing) != -1 ? S_OK : E_OUTOFMEMORY; + return push_instr(ctx, OP_nothing) ? S_OK : E_OUTOFMEMORY; case EXPR_NULL: - return push_instr(ctx, OP_null) != -1 ? S_OK : E_OUTOFMEMORY; + return push_instr(ctx, OP_null) ? S_OK : E_OUTOFMEMORY; case EXPR_OR: return compile_binary_expression(ctx, (binary_expression_t*)expr, OP_or); case EXPR_STRING: @@ -500,7 +500,7 @@ static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat) return hres; cnd_jmp = push_instr(ctx, OP_jmp_false); - if(cnd_jmp == -1) + if(!cnd_jmp) return E_OUTOFMEMORY; hres = compile_statement(ctx, stat->if_stat); @@ -525,7 +525,7 @@ static HRESULT compile_if_statement(compile_ctx_t *ctx, if_statement_t *stat) return hres; cnd_jmp = push_instr(ctx, OP_jmp_false); - if(cnd_jmp == -1) + if(!cnd_jmp) return E_OUTOFMEMORY; hres = compile_statement(ctx, elseif_decl->stat); @@ -563,7 +563,7 @@ static HRESULT compile_while_statement(compile_ctx_t *ctx, while_statement_t *st return hres; jmp_end = push_instr(ctx, stat->stat.type == STAT_UNTIL ? OP_jmp_true : OP_jmp_false); - if(jmp_end == -1) + if(!jmp_end) return E_OUTOFMEMORY; prev_label = ctx->while_end_label; @@ -637,7 +637,7 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st return hres; instr = push_instr(ctx, OP_assign_ident); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; instr_ptr(ctx, instr)->arg1.bstr = identifier; @@ -645,7 +645,7 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st if(FAILED(hres)) return hres; - if(push_instr(ctx, OP_val) == -1) + if(!push_instr(ctx, OP_val)) return E_OUTOFMEMORY; if(stat->step_expr) { @@ -653,7 +653,7 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st if(FAILED(hres)) return hres; - if(push_instr(ctx, OP_val) == -1) + if(!push_instr(ctx, OP_val)) return E_OUTOFMEMORY; }else { hres = push_instr_int(ctx, OP_short, 1); @@ -667,7 +667,7 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st return E_OUTOFMEMORY; step_instr = push_instr(ctx, OP_step); - if(step_instr == -1) + if(!step_instr) return E_OUTOFMEMORY; instr_ptr(ctx, step_instr)->arg2.bstr = identifier; instr_ptr(ctx, step_instr)->arg1.uint = ctx->for_end_label; @@ -677,7 +677,7 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st return hres; instr = push_instr(ctx, OP_incc); - if(instr == -1) + if(!instr) return E_OUTOFMEMORY; instr_ptr(ctx, instr)->arg1.bstr = identifier; @@ -920,7 +920,7 @@ static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat) hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE); break; case STAT_STOP: - hres = push_instr(ctx, OP_stop) == -1 ? E_OUTOFMEMORY : S_OK; + hres = push_instr(ctx, OP_stop) ? S_OK : E_OUTOFMEMORY; break; case STAT_UNTIL: case STAT_WHILE: @@ -1008,7 +1008,7 @@ static HRESULT compile_func(compile_ctx_t *ctx, statement_t *stat, function_t *f if(ctx->prop_end_label != -1) label_set_addr(ctx, ctx->prop_end_label); - if(push_instr(ctx, OP_ret) == -1) + if(!push_instr(ctx, OP_ret)) return E_OUTOFMEMORY; resolve_labels(ctx, func->code_off); @@ -1373,7 +1373,7 @@ static vbscode_t *alloc_vbscode(compile_ctx_t *ctx, const WCHAR *source) return NULL; } - ctx->instr_cnt = 0; + ctx->instr_cnt = 1; ctx->instr_size = 32; vbsheap_init(&ret->heap);
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Alexandre Julliard