mirrors/php-src
0
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-01-22 11:44:09 +08:00
Code Issues Packages Projects Releases Wiki Activity

__halt_compiler() without haling compiler

Browse Source
This commit is contained in:
Nikita Popov 2014-07-22 14:22:59 +02:00
parent de2f132f33
commit 3becdb3376
3 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Zend/zend_ast.h
View File

@ -123,6 +123,7 @@ enum _zend_ast_kind {
ZEND_AST_USE,
ZEND_AST_USE_ELEM,
ZEND_AST_NAMESPACE,
ZEND_AST_HALT_COMPILER,
};
typedef unsigned short zend_ast_kind;

24
Zend/zend_compile.c
View File

@ -6348,8 +6348,6 @@ void zend_compile_namespace(zend_ast *ast TSRMLS_DC) {
zend_string *name;
zend_bool with_bracket = stmt_ast != NULL;
// TODO.AST errors!
/* handle mixed syntax declaration or nested namespaces */
if (!CG(has_bracketed_namespaces)) {
if (Z_TYPE(CG(current_namespace)) != IS_UNDEF) {
@ -6420,6 +6418,25 @@ void zend_compile_namespace(zend_ast *ast TSRMLS_DC) {
}
}
void zend_compile_halt_compiler(zend_ast *ast TSRMLS_DC) {
zend_ast *offset_ast = ast->child[0];
long offset = Z_LVAL_P(zend_ast_get_zval(offset_ast));
zend_string *filename, *name;
const char const_name[] = "__COMPILER_HALT_OFFSET__";
if (CG(has_bracketed_namespaces) && CG(in_namespace)) {
zend_error_noreturn(E_COMPILE_ERROR, "__HALT_COMPILER() can only be used from the outermost scope");
}
filename = zend_get_compiled_filename(TSRMLS_C);
name = zend_mangle_property_name(const_name, sizeof(const_name) - 1,
filename->val, filename->len, 0);
zend_register_long_constant(name->val, name->len, offset, CONST_CS, 0 TSRMLS_CC);
STR_RELEASE(name);
}
void zend_compile_binary_op(znode *result, zend_ast *ast TSRMLS_DC) {
zend_ast *left_ast = ast->child[0];
zend_ast *right_ast = ast->child[1];
@ -7368,6 +7385,9 @@ void zend_compile_stmt(zend_ast *ast TSRMLS_DC) {
case ZEND_AST_NAMESPACE:
zend_compile_namespace(ast TSRMLS_CC);
break;
case ZEND_AST_HALT_COMPILER:
zend_compile_halt_compiler(ast TSRMLS_CC);
break;
default:
{
znode result;

6
Zend/zend_language_parser.y
View File

@ -247,7 +247,11 @@ top_statement:
statement { $$.u.ast = $1.u.ast; }
| function_declaration_statement { $$.u.ast = $1.u.ast; }
| class_declaration_statement { $$.u.ast = $1.u.ast; }
| T_HALT_COMPILER '(' ')' ';' { AN($$); zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; }
| T_HALT_COMPILER '(' ')' ';'
{ zval offset_zv; ZVAL_LONG(&offset_zv, zend_get_scanned_file_offset(TSRMLS_C));
$$.u.ast = zend_ast_create_unary(ZEND_AST_HALT_COMPILER,
zend_ast_create_zval(&offset_zv));
/*YYACCEPT;*/ }
| T_NAMESPACE namespace_name ';'
{ $$.u.ast = zend_ast_create_binary(ZEND_AST_NAMESPACE, AST_ZVAL(&$2), NULL);
zend_discard_doc_comment(TSRMLS_C); }