1221 lines
49 KiB
C
1221 lines
49 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_COMPILE_H
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#define ZEND_COMPILE_H
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#include "zend.h"
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#include "zend_ast.h"
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#include <stdarg.h>
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#include <stdint.h>
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#include "zend_llist.h"
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#define SET_UNUSED(op) do { \
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op ## _type = IS_UNUSED; \
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op.num = (uint32_t) -1; \
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} while (0)
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#define MAKE_NOP(opline) do { \
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(opline)->opcode = ZEND_NOP; \
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SET_UNUSED((opline)->op1); \
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SET_UNUSED((opline)->op2); \
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SET_UNUSED((opline)->result); \
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} while (0)
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#define RESET_DOC_COMMENT() do { \
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if (CG(doc_comment)) { \
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zend_string_release_ex(CG(doc_comment), 0); \
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CG(doc_comment) = NULL; \
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} \
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} while (0)
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typedef struct _zend_op_array zend_op_array;
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typedef struct _zend_op zend_op;
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/* On 64-bit systems less optimal, but more compact VM code leads to better
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* performance. So on 32-bit systems we use absolute addresses for jump
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* targets and constants, but on 64-bit systems relative 32-bit offsets */
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#if SIZEOF_SIZE_T == 4
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# define ZEND_USE_ABS_JMP_ADDR 1
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# define ZEND_USE_ABS_CONST_ADDR 1
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#else
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# define ZEND_USE_ABS_JMP_ADDR 0
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# define ZEND_USE_ABS_CONST_ADDR 0
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#endif
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typedef union _znode_op {
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uint32_t constant;
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uint32_t var;
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uint32_t num;
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uint32_t opline_num; /* Needs to be signed */
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#if ZEND_USE_ABS_JMP_ADDR
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zend_op *jmp_addr;
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#else
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uint32_t jmp_offset;
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#endif
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#if ZEND_USE_ABS_CONST_ADDR
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zval *zv;
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#endif
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} znode_op;
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typedef struct _znode { /* used only during compilation */
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uint8_t op_type;
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uint8_t flag;
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union {
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znode_op op;
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zval constant; /* replaced by literal/zv */
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} u;
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} znode;
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/* Temporarily defined here, to avoid header ordering issues */
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typedef struct _zend_ast_znode {
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zend_ast_kind kind;
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zend_ast_attr attr;
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uint32_t lineno;
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znode node;
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} zend_ast_znode;
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ZEND_API zend_ast * ZEND_FASTCALL zend_ast_create_znode(znode *node);
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static zend_always_inline znode *zend_ast_get_znode(zend_ast *ast) {
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return &((zend_ast_znode *) ast)->node;
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}
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typedef struct _zend_declarables {
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zend_long ticks;
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} zend_declarables;
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/* Compilation context that is different for each file, but shared between op arrays. */
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typedef struct _zend_file_context {
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zend_declarables declarables;
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zend_string *current_namespace;
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bool in_namespace;
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bool has_bracketed_namespaces;
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HashTable *imports;
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HashTable *imports_function;
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HashTable *imports_const;
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HashTable seen_symbols;
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} zend_file_context;
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typedef union _zend_parser_stack_elem {
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zend_ast *ast;
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zend_string *str;
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zend_ulong num;
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unsigned char *ptr;
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unsigned char *ident;
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} zend_parser_stack_elem;
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void zend_compile_top_stmt(zend_ast *ast);
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void zend_const_expr_to_zval(zval *result, zend_ast **ast_ptr, bool allow_dynamic);
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typedef int (*user_opcode_handler_t) (zend_execute_data *execute_data);
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struct _zend_op {
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const void *handler;
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znode_op op1;
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znode_op op2;
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znode_op result;
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uint32_t extended_value;
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uint32_t lineno;
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uint8_t opcode; /* Opcodes defined in Zend/zend_vm_opcodes.h */
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uint8_t op1_type; /* IS_UNUSED, IS_CONST, IS_TMP_VAR, IS_VAR, IS_CV */
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uint8_t op2_type; /* IS_UNUSED, IS_CONST, IS_TMP_VAR, IS_VAR, IS_CV */
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uint8_t result_type; /* IS_UNUSED, IS_CONST, IS_TMP_VAR, IS_VAR, IS_CV */
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};
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typedef struct _zend_brk_cont_element {
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int start;
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int cont;
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int brk;
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int parent;
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bool is_switch;
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} zend_brk_cont_element;
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typedef struct _zend_label {
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int brk_cont;
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uint32_t opline_num;
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} zend_label;
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typedef struct _zend_try_catch_element {
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uint32_t try_op;
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uint32_t catch_op; /* ketchup! */
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uint32_t finally_op;
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uint32_t finally_end;
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} zend_try_catch_element;
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#define ZEND_LIVE_TMPVAR 0
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#define ZEND_LIVE_LOOP 1
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#define ZEND_LIVE_SILENCE 2
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#define ZEND_LIVE_ROPE 3
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#define ZEND_LIVE_NEW 4
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#define ZEND_LIVE_MASK 7
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typedef struct _zend_live_range {
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uint32_t var; /* low bits are used for variable type (ZEND_LIVE_* macros) */
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uint32_t start;
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uint32_t end;
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} zend_live_range;
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/* Compilation context that is different for each op array. */
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typedef struct _zend_oparray_context {
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uint32_t opcodes_size;
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int vars_size;
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int literals_size;
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uint32_t fast_call_var;
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uint32_t try_catch_offset;
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int current_brk_cont;
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int last_brk_cont;
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zend_brk_cont_element *brk_cont_array;
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HashTable *labels;
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} zend_oparray_context;
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/* Class, property and method flags class|meth.|prop.|const*/
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/* | | | */
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/* Common flags | | | */
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/* ============ | | | */
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/* | | | */
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/* Visibility flags (public < protected < private) | | | */
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#define ZEND_ACC_PUBLIC (1 << 0) /* | X | X | X */
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#define ZEND_ACC_PROTECTED (1 << 1) /* | X | X | X */
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#define ZEND_ACC_PRIVATE (1 << 2) /* | X | X | X */
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/* | | | */
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/* Property or method overrides private one | | | */
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#define ZEND_ACC_CHANGED (1 << 3) /* | X | X | */
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/* | | | */
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/* Static method or property | | | */
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#define ZEND_ACC_STATIC (1 << 4) /* | X | X | */
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/* | | | */
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/* Promoted property / parameter | | | */
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#define ZEND_ACC_PROMOTED (1 << 5) /* | | X | X */
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/* | | | */
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/* Final class or method | | | */
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#define ZEND_ACC_FINAL (1 << 5) /* X | X | | */
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/* | | | */
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/* Abstract method | | | */
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#define ZEND_ACC_ABSTRACT (1 << 6) /* X | X | | */
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#define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS (1 << 6) /* X | | | */
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/* | | | */
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/* Readonly property | | | */
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#define ZEND_ACC_READONLY (1 << 7) /* | | X | */
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/* | | | */
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/* Immutable op_array and class_entries | | | */
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/* (implemented only for lazy loading of op_arrays) | | | */
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#define ZEND_ACC_IMMUTABLE (1 << 7) /* X | X | | */
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/* | | | */
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/* Function has typed arguments / class has typed props | | | */
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#define ZEND_ACC_HAS_TYPE_HINTS (1 << 8) /* X | X | | */
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/* | | | */
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/* Top-level class or function declaration | | | */
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#define ZEND_ACC_TOP_LEVEL (1 << 9) /* X | X | | */
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/* | | | */
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/* op_array or class is preloaded | | | */
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#define ZEND_ACC_PRELOADED (1 << 10) /* X | X | | */
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/* | | | */
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/* Flag to differentiate cases from constants. | | | */
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/* Must not conflict with ZEND_ACC_ visibility flags | | | */
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/* or IS_CONSTANT_VISITED_MARK | | | */
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#define ZEND_CLASS_CONST_IS_CASE (1 << 6) /* | | | X */
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/* | | | */
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/* Class Flags (unused: 30,31) | | | */
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/* =========== | | | */
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/* | | | */
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/* Special class types | | | */
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#define ZEND_ACC_INTERFACE (1 << 0) /* X | | | */
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#define ZEND_ACC_TRAIT (1 << 1) /* X | | | */
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#define ZEND_ACC_ANON_CLASS (1 << 2) /* X | | | */
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#define ZEND_ACC_ENUM (1 << 28) /* X | | | */
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/* | | | */
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/* Class linked with parent, interfaces and traits | | | */
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#define ZEND_ACC_LINKED (1 << 3) /* X | | | */
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/* | | | */
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/* Class is abstract, since it is set by any | | | */
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/* abstract method | | | */
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#define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS (1 << 4) /* X | | | */
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/* | | | */
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/* Class has magic methods __get/__set/__unset/ | | | */
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/* __isset that use guards | | | */
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#define ZEND_ACC_USE_GUARDS (1 << 11) /* X | | | */
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/* | | | */
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/* Class constants updated | | | */
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#define ZEND_ACC_CONSTANTS_UPDATED (1 << 12) /* X | | | */
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/* | | | */
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/* Objects of this class may not have dynamic properties | | | */
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#define ZEND_ACC_NO_DYNAMIC_PROPERTIES (1 << 13) /* X | | | */
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/* | | | */
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/* User class has methods with static variables | | | */
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#define ZEND_HAS_STATIC_IN_METHODS (1 << 14) /* X | | | */
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/* | | | */
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/* Objects of this class may have dynamic properties | | | */
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/* without triggering a deprecation warning | | | */
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#define ZEND_ACC_ALLOW_DYNAMIC_PROPERTIES (1 << 15) /* X | | | */
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/* | | | */
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/* Readonly class | | | */
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#define ZEND_ACC_READONLY_CLASS (1 << 16) /* X | | | */
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/* | | | */
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/* Parent class is resolved (CE). | | | */
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#define ZEND_ACC_RESOLVED_PARENT (1 << 17) /* X | | | */
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/* | | | */
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/* Interfaces are resolved (CEs). | | | */
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#define ZEND_ACC_RESOLVED_INTERFACES (1 << 18) /* X | | | */
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/* | | | */
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/* Class has unresolved variance obligations. | | | */
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#define ZEND_ACC_UNRESOLVED_VARIANCE (1 << 19) /* X | | | */
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/* | | | */
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/* Class is linked apart from variance obligations. | | | */
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#define ZEND_ACC_NEARLY_LINKED (1 << 20) /* X | | | */
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/* Class has readonly props | | | */
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#define ZEND_ACC_HAS_READONLY_PROPS (1 << 21) /* X | | | */
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/* | | | */
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/* stored in opcache (may be partially) | | | */
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#define ZEND_ACC_CACHED (1 << 22) /* X | | | */
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/* | | | */
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/* temporary flag used during delayed variance checks | | | */
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#define ZEND_ACC_CACHEABLE (1 << 23) /* X | | | */
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/* | | | */
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#define ZEND_ACC_HAS_AST_CONSTANTS (1 << 24) /* X | | | */
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#define ZEND_ACC_HAS_AST_PROPERTIES (1 << 25) /* X | | | */
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#define ZEND_ACC_HAS_AST_STATICS (1 << 26) /* X | | | */
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/* | | | */
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/* loaded from file cache to process memory | | | */
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#define ZEND_ACC_FILE_CACHED (1 << 27) /* X | | | */
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/* | | | */
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/* Class cannot be serialized or unserialized | | | */
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#define ZEND_ACC_NOT_SERIALIZABLE (1 << 29) /* X | | | */
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/* | | | */
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/* Function Flags (unused: 29-30) | | | */
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/* ============== | | | */
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/* | | | */
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/* deprecation flag | | | */
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#define ZEND_ACC_DEPRECATED (1 << 11) /* | X | | */
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/* | | | */
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/* Function returning by reference | | | */
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#define ZEND_ACC_RETURN_REFERENCE (1 << 12) /* | X | | */
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/* | | | */
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/* Function has a return type | | | */
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#define ZEND_ACC_HAS_RETURN_TYPE (1 << 13) /* | X | | */
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/* | | | */
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/* Function with variable number of arguments | | | */
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#define ZEND_ACC_VARIADIC (1 << 14) /* | X | | */
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/* | | | */
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/* op_array has finally blocks (user only) | | | */
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#define ZEND_ACC_HAS_FINALLY_BLOCK (1 << 15) /* | X | | */
|
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/* | | | */
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/* "main" op_array with | | | */
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/* ZEND_DECLARE_CLASS_DELAYED opcodes | | | */
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#define ZEND_ACC_EARLY_BINDING (1 << 16) /* | X | | */
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/* | | | */
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/* closure uses $this | | | */
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#define ZEND_ACC_USES_THIS (1 << 17) /* | X | | */
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/* | | | */
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/* call through user function trampoline. e.g. | | | */
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/* __call, __callstatic | | | */
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#define ZEND_ACC_CALL_VIA_TRAMPOLINE (1 << 18) /* | X | | */
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/* | | | */
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/* disable inline caching | | | */
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#define ZEND_ACC_NEVER_CACHE (1 << 19) /* | X | | */
|
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/* | | | */
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/* op_array is a clone of trait method | | | */
|
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#define ZEND_ACC_TRAIT_CLONE (1 << 20) /* | X | | */
|
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/* | | | */
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/* functions is a constructor | | | */
|
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#define ZEND_ACC_CTOR (1 << 21) /* | X | | */
|
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/* | | | */
|
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/* Closure related | | | */
|
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#define ZEND_ACC_CLOSURE (1 << 22) /* | X | | */
|
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#define ZEND_ACC_FAKE_CLOSURE (1 << 23) /* | X | | */ /* Same as ZEND_CALL_FAKE_CLOSURE */
|
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/* | | | */
|
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#define ZEND_ACC_GENERATOR (1 << 24) /* | X | | */
|
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/* | | | */
|
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/* function was processed by pass two (user only) | | | */
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#define ZEND_ACC_DONE_PASS_TWO (1 << 25) /* | X | | */
|
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/* | | | */
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/* internal function is allocated at arena (int only) | | | */
|
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#define ZEND_ACC_ARENA_ALLOCATED (1 << 25) /* | X | | */
|
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/* | | | */
|
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/* run_time_cache allocated on heap (user only) | | | */
|
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#define ZEND_ACC_HEAP_RT_CACHE (1 << 26) /* | X | | */
|
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/* | | | */
|
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/* method flag used by Closure::__invoke() (int only) | | | */
|
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#define ZEND_ACC_USER_ARG_INFO (1 << 26) /* | X | | */
|
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/* | | | */
|
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/* supports opcache compile-time evaluation (funcs) | | | */
|
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#define ZEND_ACC_COMPILE_TIME_EVAL (1 << 27) /* | X | | */
|
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/* | | | */
|
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/* has #[\Override] attribute | | | */
|
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#define ZEND_ACC_OVERRIDE (1 << 28) /* | X | | */
|
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/* | | | */
|
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/* op_array uses strict mode types | | | */
|
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#define ZEND_ACC_STRICT_TYPES (1U << 31) /* | X | | */
|
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|
|
|
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#define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)
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|
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/* call through internal function handler. e.g. Closure::invoke() */
|
|
#define ZEND_ACC_CALL_VIA_HANDLER ZEND_ACC_CALL_VIA_TRAMPOLINE
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|
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#define ZEND_SHORT_CIRCUITING_CHAIN_MASK 0x3
|
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#define ZEND_SHORT_CIRCUITING_CHAIN_EXPR 0
|
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#define ZEND_SHORT_CIRCUITING_CHAIN_ISSET 1
|
|
#define ZEND_SHORT_CIRCUITING_CHAIN_EMPTY 2
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|
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// Must not clash with ZEND_SHORT_CIRCUITING_CHAIN_MASK
|
|
#define ZEND_JMP_NULL_BP_VAR_IS 4
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|
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char *zend_visibility_string(uint32_t fn_flags);
|
|
|
|
typedef struct _zend_property_info {
|
|
uint32_t offset; /* property offset for object properties or
|
|
property index for static properties */
|
|
uint32_t flags;
|
|
zend_string *name;
|
|
zend_string *doc_comment;
|
|
HashTable *attributes;
|
|
zend_class_entry *ce;
|
|
zend_type type;
|
|
} zend_property_info;
|
|
|
|
#define OBJ_PROP(obj, offset) \
|
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((zval*)((char*)(obj) + offset))
|
|
#define OBJ_PROP_NUM(obj, num) \
|
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(&(obj)->properties_table[(num)])
|
|
#define OBJ_PROP_TO_OFFSET(num) \
|
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((uint32_t)(XtOffsetOf(zend_object, properties_table) + sizeof(zval) * (num)))
|
|
#define OBJ_PROP_TO_NUM(offset) \
|
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((offset - OBJ_PROP_TO_OFFSET(0)) / sizeof(zval))
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|
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typedef struct _zend_class_constant {
|
|
zval value; /* flags are stored in u2 */
|
|
zend_string *doc_comment;
|
|
HashTable *attributes;
|
|
zend_class_entry *ce;
|
|
zend_type type;
|
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} zend_class_constant;
|
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|
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#define ZEND_CLASS_CONST_FLAGS(c) Z_CONSTANT_FLAGS((c)->value)
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|
|
/* arg_info for internal functions */
|
|
typedef struct _zend_internal_arg_info {
|
|
const char *name;
|
|
zend_type type;
|
|
const char *default_value;
|
|
} zend_internal_arg_info;
|
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|
|
/* arg_info for user functions */
|
|
typedef struct _zend_arg_info {
|
|
zend_string *name;
|
|
zend_type type;
|
|
zend_string *default_value;
|
|
} zend_arg_info;
|
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|
|
/* the following structure repeats the layout of zend_internal_arg_info,
|
|
* but its fields have different meaning. It's used as the first element of
|
|
* arg_info array to define properties of internal functions.
|
|
* It's also used for the return type.
|
|
*/
|
|
typedef struct _zend_internal_function_info {
|
|
uintptr_t required_num_args;
|
|
zend_type type;
|
|
const char *default_value;
|
|
} zend_internal_function_info;
|
|
|
|
struct _zend_op_array {
|
|
/* Common elements */
|
|
uint8_t type;
|
|
uint8_t arg_flags[3]; /* bitset of arg_info.pass_by_reference */
|
|
uint32_t fn_flags;
|
|
zend_string *function_name;
|
|
zend_class_entry *scope;
|
|
zend_function *prototype;
|
|
uint32_t num_args;
|
|
uint32_t required_num_args;
|
|
zend_arg_info *arg_info;
|
|
HashTable *attributes;
|
|
ZEND_MAP_PTR_DEF(void **, run_time_cache);
|
|
uint32_t T; /* number of temporary variables */
|
|
/* END of common elements */
|
|
|
|
int cache_size; /* number of run_time_cache_slots * sizeof(void*) */
|
|
int last_var; /* number of CV variables */
|
|
uint32_t last; /* number of opcodes */
|
|
|
|
zend_op *opcodes;
|
|
ZEND_MAP_PTR_DEF(HashTable *, static_variables_ptr);
|
|
HashTable *static_variables;
|
|
zend_string **vars; /* names of CV variables */
|
|
|
|
uint32_t *refcount;
|
|
|
|
int last_live_range;
|
|
int last_try_catch;
|
|
zend_live_range *live_range;
|
|
zend_try_catch_element *try_catch_array;
|
|
|
|
zend_string *filename;
|
|
uint32_t line_start;
|
|
uint32_t line_end;
|
|
zend_string *doc_comment;
|
|
|
|
int last_literal;
|
|
uint32_t num_dynamic_func_defs;
|
|
zval *literals;
|
|
|
|
/* Functions that are declared dynamically are stored here and
|
|
* referenced by index from opcodes. */
|
|
zend_op_array **dynamic_func_defs;
|
|
|
|
void *reserved[ZEND_MAX_RESERVED_RESOURCES];
|
|
};
|
|
|
|
|
|
#define ZEND_RETURN_VALUE 0
|
|
#define ZEND_RETURN_REFERENCE 1
|
|
|
|
/* zend_internal_function_handler */
|
|
typedef void (ZEND_FASTCALL *zif_handler)(INTERNAL_FUNCTION_PARAMETERS);
|
|
|
|
typedef struct _zend_internal_function {
|
|
/* Common elements */
|
|
uint8_t type;
|
|
uint8_t arg_flags[3]; /* bitset of arg_info.pass_by_reference */
|
|
uint32_t fn_flags;
|
|
zend_string* function_name;
|
|
zend_class_entry *scope;
|
|
zend_function *prototype;
|
|
uint32_t num_args;
|
|
uint32_t required_num_args;
|
|
zend_internal_arg_info *arg_info;
|
|
HashTable *attributes;
|
|
ZEND_MAP_PTR_DEF(void **, run_time_cache);
|
|
uint32_t T; /* number of temporary variables */
|
|
/* END of common elements */
|
|
|
|
zif_handler handler;
|
|
struct _zend_module_entry *module;
|
|
void *reserved[ZEND_MAX_RESERVED_RESOURCES];
|
|
} zend_internal_function;
|
|
|
|
#define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? ZSTR_VAL((function)->common.scope->name) : "")
|
|
|
|
union _zend_function {
|
|
uint8_t type; /* MUST be the first element of this struct! */
|
|
uint32_t quick_arg_flags;
|
|
|
|
struct {
|
|
uint8_t type; /* never used */
|
|
uint8_t arg_flags[3]; /* bitset of arg_info.pass_by_reference */
|
|
uint32_t fn_flags;
|
|
zend_string *function_name;
|
|
zend_class_entry *scope;
|
|
zend_function *prototype;
|
|
uint32_t num_args;
|
|
uint32_t required_num_args;
|
|
zend_arg_info *arg_info; /* index -1 represents the return value info, if any */
|
|
HashTable *attributes;
|
|
ZEND_MAP_PTR_DEF(void **, run_time_cache);
|
|
uint32_t T; /* number of temporary variables */
|
|
} common;
|
|
|
|
zend_op_array op_array;
|
|
zend_internal_function internal_function;
|
|
};
|
|
|
|
struct _zend_execute_data {
|
|
const zend_op *opline; /* executed opline */
|
|
zend_execute_data *call; /* current call */
|
|
zval *return_value;
|
|
zend_function *func; /* executed function */
|
|
zval This; /* this + call_info + num_args */
|
|
zend_execute_data *prev_execute_data;
|
|
zend_array *symbol_table;
|
|
void **run_time_cache; /* cache op_array->run_time_cache */
|
|
zend_array *extra_named_params;
|
|
};
|
|
|
|
#define ZEND_CALL_HAS_THIS IS_OBJECT_EX
|
|
|
|
/* Top 16 bits of Z_TYPE_INFO(EX(This)) are used as call_info flags */
|
|
#define ZEND_CALL_FUNCTION (0 << 16)
|
|
#define ZEND_CALL_CODE (1 << 16)
|
|
#define ZEND_CALL_NESTED (0 << 17)
|
|
#define ZEND_CALL_TOP (1 << 17)
|
|
#define ZEND_CALL_ALLOCATED (1 << 18)
|
|
#define ZEND_CALL_FREE_EXTRA_ARGS (1 << 19)
|
|
#define ZEND_CALL_HAS_SYMBOL_TABLE (1 << 20)
|
|
#define ZEND_CALL_RELEASE_THIS (1 << 21)
|
|
#define ZEND_CALL_CLOSURE (1 << 22)
|
|
#define ZEND_CALL_FAKE_CLOSURE (1 << 23) /* Same as ZEND_ACC_FAKE_CLOSURE */
|
|
#define ZEND_CALL_GENERATOR (1 << 24)
|
|
#define ZEND_CALL_DYNAMIC (1 << 25)
|
|
#define ZEND_CALL_MAY_HAVE_UNDEF (1 << 26)
|
|
#define ZEND_CALL_HAS_EXTRA_NAMED_PARAMS (1 << 27)
|
|
#define ZEND_CALL_OBSERVED (1 << 28) /* "fcall_begin" observer handler may set this flag */
|
|
/* to prevent optimization in RETURN handler and */
|
|
/* keep all local variables for "fcall_end" handler */
|
|
#define ZEND_CALL_JIT_RESERVED (1 << 29) /* reserved for tracing JIT */
|
|
#define ZEND_CALL_NEEDS_REATTACH (1 << 30)
|
|
#define ZEND_CALL_SEND_ARG_BY_REF (1u << 31)
|
|
|
|
#define ZEND_CALL_NESTED_FUNCTION (ZEND_CALL_FUNCTION | ZEND_CALL_NESTED)
|
|
#define ZEND_CALL_NESTED_CODE (ZEND_CALL_CODE | ZEND_CALL_NESTED)
|
|
#define ZEND_CALL_TOP_FUNCTION (ZEND_CALL_TOP | ZEND_CALL_FUNCTION)
|
|
#define ZEND_CALL_TOP_CODE (ZEND_CALL_CODE | ZEND_CALL_TOP)
|
|
|
|
#define ZEND_CALL_INFO(call) \
|
|
Z_TYPE_INFO((call)->This)
|
|
|
|
#define ZEND_CALL_KIND_EX(call_info) \
|
|
(call_info & (ZEND_CALL_CODE | ZEND_CALL_TOP))
|
|
|
|
#define ZEND_CALL_KIND(call) \
|
|
ZEND_CALL_KIND_EX(ZEND_CALL_INFO(call))
|
|
|
|
#define ZEND_ADD_CALL_FLAG_EX(call_info, flag) do { \
|
|
call_info |= (flag); \
|
|
} while (0)
|
|
|
|
#define ZEND_DEL_CALL_FLAG_EX(call_info, flag) do { \
|
|
call_info &= ~(flag); \
|
|
} while (0)
|
|
|
|
#define ZEND_ADD_CALL_FLAG(call, flag) do { \
|
|
ZEND_ADD_CALL_FLAG_EX(Z_TYPE_INFO((call)->This), flag); \
|
|
} while (0)
|
|
|
|
#define ZEND_DEL_CALL_FLAG(call, flag) do { \
|
|
ZEND_DEL_CALL_FLAG_EX(Z_TYPE_INFO((call)->This), flag); \
|
|
} while (0)
|
|
|
|
#define ZEND_CALL_NUM_ARGS(call) \
|
|
(call)->This.u2.num_args
|
|
|
|
/* Ensure the correct alignment before slots calculation */
|
|
ZEND_STATIC_ASSERT(ZEND_MM_ALIGNED_SIZE(sizeof(zval)) == sizeof(zval),
|
|
"zval must be aligned by ZEND_MM_ALIGNMENT");
|
|
/* A number of call frame slots (zvals) reserved for zend_execute_data. */
|
|
#define ZEND_CALL_FRAME_SLOT \
|
|
((int)((sizeof(zend_execute_data) + sizeof(zval) - 1) / sizeof(zval)))
|
|
|
|
#define ZEND_CALL_VAR(call, n) \
|
|
((zval*)(((char*)(call)) + ((int)(n))))
|
|
|
|
#define ZEND_CALL_VAR_NUM(call, n) \
|
|
(((zval*)(call)) + (ZEND_CALL_FRAME_SLOT + ((int)(n))))
|
|
|
|
#define ZEND_CALL_ARG(call, n) \
|
|
ZEND_CALL_VAR_NUM(call, ((int)(n)) - 1)
|
|
|
|
#define EX(element) ((execute_data)->element)
|
|
|
|
#define EX_CALL_INFO() ZEND_CALL_INFO(execute_data)
|
|
#define EX_CALL_KIND() ZEND_CALL_KIND(execute_data)
|
|
#define EX_NUM_ARGS() ZEND_CALL_NUM_ARGS(execute_data)
|
|
|
|
#define ZEND_CALL_USES_STRICT_TYPES(call) \
|
|
(((call)->func->common.fn_flags & ZEND_ACC_STRICT_TYPES) != 0)
|
|
|
|
#define EX_USES_STRICT_TYPES() \
|
|
ZEND_CALL_USES_STRICT_TYPES(execute_data)
|
|
|
|
#define ZEND_ARG_USES_STRICT_TYPES() \
|
|
(EG(current_execute_data)->prev_execute_data && \
|
|
EG(current_execute_data)->prev_execute_data->func && \
|
|
ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data)->prev_execute_data))
|
|
|
|
#define ZEND_RET_USES_STRICT_TYPES() \
|
|
ZEND_CALL_USES_STRICT_TYPES(EG(current_execute_data))
|
|
|
|
#define EX_VAR(n) ZEND_CALL_VAR(execute_data, n)
|
|
#define EX_VAR_NUM(n) ZEND_CALL_VAR_NUM(execute_data, n)
|
|
|
|
#define EX_VAR_TO_NUM(n) ((uint32_t)((n) / sizeof(zval) - ZEND_CALL_FRAME_SLOT))
|
|
#define EX_NUM_TO_VAR(n) ((uint32_t)(((n) + ZEND_CALL_FRAME_SLOT) * sizeof(zval)))
|
|
|
|
#define ZEND_OPLINE_TO_OFFSET(opline, target) \
|
|
((char*)(target) - (char*)(opline))
|
|
|
|
#define ZEND_OPLINE_NUM_TO_OFFSET(op_array, opline, opline_num) \
|
|
((char*)&(op_array)->opcodes[opline_num] - (char*)(opline))
|
|
|
|
#define ZEND_OFFSET_TO_OPLINE(base, offset) \
|
|
((zend_op*)(((char*)(base)) + (int)offset))
|
|
|
|
#define ZEND_OFFSET_TO_OPLINE_NUM(op_array, base, offset) \
|
|
(ZEND_OFFSET_TO_OPLINE(base, offset) - op_array->opcodes)
|
|
|
|
#if ZEND_USE_ABS_JMP_ADDR
|
|
|
|
/* run-time jump target */
|
|
# define OP_JMP_ADDR(opline, node) \
|
|
(node).jmp_addr
|
|
|
|
# define ZEND_SET_OP_JMP_ADDR(opline, node, val) do { \
|
|
(node).jmp_addr = (val); \
|
|
} while (0)
|
|
|
|
/* convert jump target from compile-time to run-time */
|
|
# define ZEND_PASS_TWO_UPDATE_JMP_TARGET(op_array, opline, node) do { \
|
|
(node).jmp_addr = (op_array)->opcodes + (node).opline_num; \
|
|
} while (0)
|
|
|
|
/* convert jump target back from run-time to compile-time */
|
|
# define ZEND_PASS_TWO_UNDO_JMP_TARGET(op_array, opline, node) do { \
|
|
(node).opline_num = (node).jmp_addr - (op_array)->opcodes; \
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
/* run-time jump target */
|
|
# define OP_JMP_ADDR(opline, node) \
|
|
ZEND_OFFSET_TO_OPLINE(opline, (node).jmp_offset)
|
|
|
|
# define ZEND_SET_OP_JMP_ADDR(opline, node, val) do { \
|
|
(node).jmp_offset = ZEND_OPLINE_TO_OFFSET(opline, val); \
|
|
} while (0)
|
|
|
|
/* convert jump target from compile-time to run-time */
|
|
# define ZEND_PASS_TWO_UPDATE_JMP_TARGET(op_array, opline, node) do { \
|
|
(node).jmp_offset = ZEND_OPLINE_NUM_TO_OFFSET(op_array, opline, (node).opline_num); \
|
|
} while (0)
|
|
|
|
/* convert jump target back from run-time to compile-time */
|
|
# define ZEND_PASS_TWO_UNDO_JMP_TARGET(op_array, opline, node) do { \
|
|
(node).opline_num = ZEND_OFFSET_TO_OPLINE_NUM(op_array, opline, (node).jmp_offset); \
|
|
} while (0)
|
|
|
|
#endif
|
|
|
|
/* constant-time constant */
|
|
# define CT_CONSTANT_EX(op_array, num) \
|
|
((op_array)->literals + (num))
|
|
|
|
# define CT_CONSTANT(node) \
|
|
CT_CONSTANT_EX(CG(active_op_array), (node).constant)
|
|
|
|
#if ZEND_USE_ABS_CONST_ADDR
|
|
|
|
/* run-time constant */
|
|
# define RT_CONSTANT(opline, node) \
|
|
(node).zv
|
|
|
|
/* convert constant from compile-time to run-time */
|
|
# define ZEND_PASS_TWO_UPDATE_CONSTANT(op_array, opline, node) do { \
|
|
(node).zv = CT_CONSTANT_EX(op_array, (node).constant); \
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
/* At run-time, constants are allocated together with op_array->opcodes
|
|
* and addressed relatively to current opline.
|
|
*/
|
|
|
|
/* run-time constant */
|
|
# define RT_CONSTANT(opline, node) \
|
|
((zval*)(((char*)(opline)) + (int32_t)(node).constant))
|
|
|
|
/* convert constant from compile-time to run-time */
|
|
# define ZEND_PASS_TWO_UPDATE_CONSTANT(op_array, opline, node) do { \
|
|
(node).constant = \
|
|
(((char*)CT_CONSTANT_EX(op_array, (node).constant)) - \
|
|
((char*)opline)); \
|
|
} while (0)
|
|
|
|
#endif
|
|
|
|
/* convert constant back from run-time to compile-time */
|
|
#define ZEND_PASS_TWO_UNDO_CONSTANT(op_array, opline, node) do { \
|
|
(node).constant = RT_CONSTANT(opline, node) - (op_array)->literals; \
|
|
} while (0)
|
|
|
|
#define RUN_TIME_CACHE(op_array) \
|
|
ZEND_MAP_PTR_GET((op_array)->run_time_cache)
|
|
|
|
#define ZEND_OP_ARRAY_EXTENSION(op_array, handle) \
|
|
((void**)RUN_TIME_CACHE(op_array))[handle]
|
|
|
|
#define IS_UNUSED 0 /* Unused operand */
|
|
#define IS_CONST (1<<0)
|
|
#define IS_TMP_VAR (1<<1)
|
|
#define IS_VAR (1<<2)
|
|
#define IS_CV (1<<3) /* Compiled variable */
|
|
|
|
/* Used for result.type of smart branch instructions */
|
|
#define IS_SMART_BRANCH_JMPZ (1<<4)
|
|
#define IS_SMART_BRANCH_JMPNZ (1<<5)
|
|
|
|
#define ZEND_EXTRA_VALUE 1
|
|
|
|
#include "zend_globals.h"
|
|
|
|
typedef enum _zend_compile_position {
|
|
ZEND_COMPILE_POSITION_AT_SHEBANG = 0,
|
|
ZEND_COMPILE_POSITION_AT_OPEN_TAG,
|
|
ZEND_COMPILE_POSITION_AFTER_OPEN_TAG
|
|
} zend_compile_position;
|
|
|
|
BEGIN_EXTERN_C()
|
|
|
|
void init_compiler(void);
|
|
void shutdown_compiler(void);
|
|
void zend_init_compiler_data_structures(void);
|
|
|
|
void zend_oparray_context_begin(zend_oparray_context *prev_context);
|
|
void zend_oparray_context_end(zend_oparray_context *prev_context);
|
|
void zend_file_context_begin(zend_file_context *prev_context);
|
|
void zend_file_context_end(zend_file_context *prev_context);
|
|
|
|
extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type);
|
|
extern ZEND_API zend_op_array *(*zend_compile_string)(zend_string *source_string, const char *filename, zend_compile_position position);
|
|
|
|
ZEND_API int ZEND_FASTCALL lex_scan(zval *zendlval, zend_parser_stack_elem *elem);
|
|
void startup_scanner(void);
|
|
void shutdown_scanner(void);
|
|
|
|
ZEND_API zend_string *zend_set_compiled_filename(zend_string *new_compiled_filename);
|
|
ZEND_API void zend_restore_compiled_filename(zend_string *original_compiled_filename);
|
|
ZEND_API zend_string *zend_get_compiled_filename(void);
|
|
ZEND_API int zend_get_compiled_lineno(void);
|
|
ZEND_API size_t zend_get_scanned_file_offset(void);
|
|
|
|
ZEND_API zend_string *zend_get_compiled_variable_name(const zend_op_array *op_array, uint32_t var);
|
|
|
|
#ifdef ZTS
|
|
const char *zend_get_zendtext(void);
|
|
int zend_get_zendleng(void);
|
|
#endif
|
|
|
|
typedef zend_result (ZEND_FASTCALL *unary_op_type)(zval *, zval *);
|
|
typedef zend_result (ZEND_FASTCALL *binary_op_type)(zval *, zval *, zval *);
|
|
|
|
ZEND_API unary_op_type get_unary_op(int opcode);
|
|
ZEND_API binary_op_type get_binary_op(int opcode);
|
|
|
|
void zend_stop_lexing(void);
|
|
void zend_emit_final_return(bool return_one);
|
|
|
|
typedef enum {
|
|
ZEND_MODIFIER_TARGET_PROPERTY = 0,
|
|
ZEND_MODIFIER_TARGET_METHOD,
|
|
ZEND_MODIFIER_TARGET_CONSTANT,
|
|
ZEND_MODIFIER_TARGET_CPP,
|
|
} zend_modifier_target;
|
|
|
|
/* Used during AST construction */
|
|
zend_ast *zend_ast_append_str(zend_ast *left, zend_ast *right);
|
|
zend_ast *zend_negate_num_string(zend_ast *ast);
|
|
uint32_t zend_add_class_modifier(uint32_t flags, uint32_t new_flag);
|
|
uint32_t zend_add_anonymous_class_modifier(uint32_t flags, uint32_t new_flag);
|
|
uint32_t zend_add_member_modifier(uint32_t flags, uint32_t new_flag, zend_modifier_target target);
|
|
|
|
uint32_t zend_modifier_token_to_flag(zend_modifier_target target, uint32_t flags);
|
|
uint32_t zend_modifier_list_to_flags(zend_modifier_target target, zend_ast *modifiers);
|
|
|
|
bool zend_handle_encoding_declaration(zend_ast *ast);
|
|
|
|
ZEND_API zend_class_entry *zend_bind_class_in_slot(
|
|
zval *class_table_slot, zval *lcname, zend_string *lc_parent_name);
|
|
ZEND_API zend_result do_bind_function(zend_function *func, zval *lcname);
|
|
ZEND_API zend_result do_bind_class(zval *lcname, zend_string *lc_parent_name);
|
|
|
|
void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline);
|
|
|
|
ZEND_API void function_add_ref(zend_function *function);
|
|
zend_string *zval_make_interned_string(zval *zv);
|
|
|
|
#define INITIAL_OP_ARRAY_SIZE 64
|
|
|
|
|
|
/* helper functions in zend_language_scanner.l */
|
|
struct _zend_arena;
|
|
|
|
ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type);
|
|
ZEND_API zend_op_array *compile_string(zend_string *source_string, const char *filename, zend_compile_position position);
|
|
ZEND_API zend_op_array *compile_filename(int type, zend_string *filename);
|
|
ZEND_API zend_ast *zend_compile_string_to_ast(
|
|
zend_string *code, struct _zend_arena **ast_arena, zend_string *filename);
|
|
ZEND_API zend_result zend_execute_scripts(int type, zval *retval, int file_count, ...);
|
|
ZEND_API zend_result open_file_for_scanning(zend_file_handle *file_handle);
|
|
ZEND_API void init_op_array(zend_op_array *op_array, uint8_t type, int initial_ops_size);
|
|
ZEND_API void destroy_op_array(zend_op_array *op_array);
|
|
ZEND_API void zend_destroy_static_vars(zend_op_array *op_array);
|
|
ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle);
|
|
ZEND_API void zend_cleanup_mutable_class_data(zend_class_entry *ce);
|
|
ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce);
|
|
ZEND_API void zend_type_release(zend_type type, bool persistent);
|
|
ZEND_API zend_string *zend_create_member_string(zend_string *class_name, zend_string *member_name);
|
|
|
|
|
|
ZEND_API ZEND_COLD void zend_user_exception_handler(void);
|
|
|
|
#define zend_try_exception_handler() do { \
|
|
if (UNEXPECTED(EG(exception))) { \
|
|
if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) { \
|
|
zend_user_exception_handler(); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
void zend_free_internal_arg_info(zend_internal_function *function);
|
|
ZEND_API void destroy_zend_function(zend_function *function);
|
|
ZEND_API void zend_function_dtor(zval *zv);
|
|
ZEND_API void destroy_zend_class(zval *zv);
|
|
void zend_class_add_ref(zval *zv);
|
|
|
|
ZEND_API zend_string *zend_mangle_property_name(const char *src1, size_t src1_length, const char *src2, size_t src2_length, bool internal);
|
|
#define zend_unmangle_property_name(mangled_property, class_name, prop_name) \
|
|
zend_unmangle_property_name_ex(mangled_property, class_name, prop_name, NULL)
|
|
ZEND_API zend_result zend_unmangle_property_name_ex(const zend_string *name, const char **class_name, const char **prop_name, size_t *prop_len);
|
|
|
|
static zend_always_inline const char *zend_get_unmangled_property_name(const zend_string *mangled_prop) {
|
|
const char *class_name, *prop_name;
|
|
zend_unmangle_property_name(mangled_prop, &class_name, &prop_name);
|
|
return prop_name;
|
|
}
|
|
|
|
#define ZEND_FUNCTION_DTOR zend_function_dtor
|
|
#define ZEND_CLASS_DTOR destroy_zend_class
|
|
|
|
typedef bool (*zend_needs_live_range_cb)(zend_op_array *op_array, zend_op *opline);
|
|
ZEND_API void zend_recalc_live_ranges(
|
|
zend_op_array *op_array, zend_needs_live_range_cb needs_live_range);
|
|
|
|
ZEND_API void pass_two(zend_op_array *op_array);
|
|
ZEND_API bool zend_is_compiling(void);
|
|
ZEND_API char *zend_make_compiled_string_description(const char *name);
|
|
ZEND_API void zend_initialize_class_data(zend_class_entry *ce, bool nullify_handlers);
|
|
uint32_t zend_get_class_fetch_type(const zend_string *name);
|
|
ZEND_API uint8_t zend_get_call_op(const zend_op *init_op, zend_function *fbc);
|
|
ZEND_API bool zend_is_smart_branch(const zend_op *opline);
|
|
|
|
typedef bool (*zend_auto_global_callback)(zend_string *name);
|
|
typedef struct _zend_auto_global {
|
|
zend_string *name;
|
|
zend_auto_global_callback auto_global_callback;
|
|
bool jit;
|
|
bool armed;
|
|
} zend_auto_global;
|
|
|
|
ZEND_API zend_result zend_register_auto_global(zend_string *name, bool jit, zend_auto_global_callback auto_global_callback);
|
|
ZEND_API void zend_activate_auto_globals(void);
|
|
ZEND_API bool zend_is_auto_global(zend_string *name);
|
|
ZEND_API bool zend_is_auto_global_str(const char *name, size_t len);
|
|
ZEND_API size_t zend_dirname(char *path, size_t len);
|
|
ZEND_API void zend_set_function_arg_flags(zend_function *func);
|
|
|
|
int ZEND_FASTCALL zendlex(zend_parser_stack_elem *elem);
|
|
|
|
void zend_assert_valid_class_name(const zend_string *const_name);
|
|
|
|
zend_string *zend_type_to_string_resolved(zend_type type, zend_class_entry *scope);
|
|
ZEND_API zend_string *zend_type_to_string(zend_type type);
|
|
|
|
/* BEGIN: OPCODES */
|
|
|
|
#include "zend_vm_opcodes.h"
|
|
|
|
/* END: OPCODES */
|
|
|
|
/* class fetches */
|
|
#define ZEND_FETCH_CLASS_DEFAULT 0
|
|
#define ZEND_FETCH_CLASS_SELF 1
|
|
#define ZEND_FETCH_CLASS_PARENT 2
|
|
#define ZEND_FETCH_CLASS_STATIC 3
|
|
#define ZEND_FETCH_CLASS_AUTO 4
|
|
#define ZEND_FETCH_CLASS_INTERFACE 5
|
|
#define ZEND_FETCH_CLASS_TRAIT 6
|
|
#define ZEND_FETCH_CLASS_MASK 0x0f
|
|
#define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80
|
|
#define ZEND_FETCH_CLASS_SILENT 0x0100
|
|
#define ZEND_FETCH_CLASS_EXCEPTION 0x0200
|
|
#define ZEND_FETCH_CLASS_ALLOW_UNLINKED 0x0400
|
|
#define ZEND_FETCH_CLASS_ALLOW_NEARLY_LINKED 0x0800
|
|
|
|
/* These should not clash with ZEND_ACC_(PUBLIC|PROTECTED|PRIVATE) */
|
|
#define ZEND_PARAM_REF (1<<3)
|
|
#define ZEND_PARAM_VARIADIC (1<<4)
|
|
|
|
#define ZEND_NAME_FQ 0
|
|
#define ZEND_NAME_NOT_FQ 1
|
|
#define ZEND_NAME_RELATIVE 2
|
|
|
|
/* ZEND_FETCH_ flags in class name AST of new const expression must not clash with ZEND_NAME_ flags */
|
|
#define ZEND_CONST_EXPR_NEW_FETCH_TYPE_SHIFT 2
|
|
|
|
#define ZEND_TYPE_NULLABLE (1<<8)
|
|
|
|
#define ZEND_ARRAY_SYNTAX_LIST 1 /* list() */
|
|
#define ZEND_ARRAY_SYNTAX_LONG 2 /* array() */
|
|
#define ZEND_ARRAY_SYNTAX_SHORT 3 /* [] */
|
|
|
|
/* var status for backpatching */
|
|
#define BP_VAR_R 0
|
|
#define BP_VAR_W 1
|
|
#define BP_VAR_RW 2
|
|
#define BP_VAR_IS 3
|
|
#define BP_VAR_FUNC_ARG 4
|
|
#define BP_VAR_UNSET 5
|
|
|
|
#define ZEND_INTERNAL_FUNCTION 1
|
|
#define ZEND_USER_FUNCTION 2
|
|
#define ZEND_EVAL_CODE 4
|
|
|
|
#define ZEND_USER_CODE(type) ((type) != ZEND_INTERNAL_FUNCTION)
|
|
|
|
#define ZEND_INTERNAL_CLASS 1
|
|
#define ZEND_USER_CLASS 2
|
|
|
|
#define ZEND_EVAL (1<<0)
|
|
#define ZEND_INCLUDE (1<<1)
|
|
#define ZEND_INCLUDE_ONCE (1<<2)
|
|
#define ZEND_REQUIRE (1<<3)
|
|
#define ZEND_REQUIRE_ONCE (1<<4)
|
|
|
|
/* global/local fetches */
|
|
#define ZEND_FETCH_GLOBAL (1<<1)
|
|
#define ZEND_FETCH_LOCAL (1<<2)
|
|
#define ZEND_FETCH_GLOBAL_LOCK (1<<3)
|
|
|
|
#define ZEND_FETCH_TYPE_MASK 0xe
|
|
|
|
/* Only one of these can ever be in use */
|
|
#define ZEND_FETCH_REF 1
|
|
#define ZEND_FETCH_DIM_WRITE 2
|
|
#define ZEND_FETCH_OBJ_FLAGS 3
|
|
|
|
/* Used to mark what kind of operation a writing FETCH_DIM is used in,
|
|
* to produce a more precise error on incorrect string offset use. */
|
|
#define ZEND_FETCH_DIM_REF 1
|
|
#define ZEND_FETCH_DIM_DIM 2
|
|
#define ZEND_FETCH_DIM_OBJ 3
|
|
#define ZEND_FETCH_DIM_INCDEC 4
|
|
|
|
#define ZEND_ISEMPTY (1<<0)
|
|
|
|
#define ZEND_LAST_CATCH (1<<0)
|
|
|
|
#define ZEND_FREE_ON_RETURN (1<<0)
|
|
#define ZEND_FREE_SWITCH (1<<1)
|
|
|
|
#define ZEND_SEND_BY_VAL 0u
|
|
#define ZEND_SEND_BY_REF 1u
|
|
#define ZEND_SEND_PREFER_REF 2u
|
|
|
|
#define ZEND_THROW_IS_EXPR 1u
|
|
|
|
#define ZEND_FCALL_MAY_HAVE_EXTRA_NAMED_PARAMS 1
|
|
|
|
/* The send mode, the is_variadic, the is_promoted, and the is_tentative flags are stored as part of zend_type */
|
|
#define _ZEND_SEND_MODE_SHIFT _ZEND_TYPE_EXTRA_FLAGS_SHIFT
|
|
#define _ZEND_IS_VARIADIC_BIT (1 << (_ZEND_TYPE_EXTRA_FLAGS_SHIFT + 2))
|
|
#define _ZEND_IS_PROMOTED_BIT (1 << (_ZEND_TYPE_EXTRA_FLAGS_SHIFT + 3))
|
|
#define _ZEND_IS_TENTATIVE_BIT (1 << (_ZEND_TYPE_EXTRA_FLAGS_SHIFT + 4))
|
|
#define ZEND_ARG_SEND_MODE(arg_info) \
|
|
((ZEND_TYPE_FULL_MASK((arg_info)->type) >> _ZEND_SEND_MODE_SHIFT) & 3)
|
|
#define ZEND_ARG_IS_VARIADIC(arg_info) \
|
|
((ZEND_TYPE_FULL_MASK((arg_info)->type) & _ZEND_IS_VARIADIC_BIT) != 0)
|
|
#define ZEND_ARG_IS_PROMOTED(arg_info) \
|
|
((ZEND_TYPE_FULL_MASK((arg_info)->type) & _ZEND_IS_PROMOTED_BIT) != 0)
|
|
#define ZEND_ARG_TYPE_IS_TENTATIVE(arg_info) \
|
|
((ZEND_TYPE_FULL_MASK((arg_info)->type) & _ZEND_IS_TENTATIVE_BIT) != 0)
|
|
|
|
#define ZEND_DIM_IS (1 << 0) /* isset fetch needed for null coalesce. Set in zend_compile.c for ZEND_AST_DIM nested within ZEND_AST_COALESCE. */
|
|
#define ZEND_DIM_ALTERNATIVE_SYNTAX (1 << 1) /* deprecated curly brace usage */
|
|
|
|
/* Attributes for ${} encaps var in strings (ZEND_AST_DIM or ZEND_AST_VAR node) */
|
|
/* ZEND_AST_VAR nodes can have any of the ZEND_ENCAPS_VAR_* flags */
|
|
/* ZEND_AST_DIM flags can have ZEND_DIM_ALTERNATIVE_SYNTAX or ZEND_ENCAPS_VAR_DOLLAR_CURLY during the parse phase (ZEND_DIM_ALTERNATIVE_SYNTAX is a thrown fatal error). */
|
|
#define ZEND_ENCAPS_VAR_DOLLAR_CURLY (1 << 0)
|
|
#define ZEND_ENCAPS_VAR_DOLLAR_CURLY_VAR_VAR (1 << 1)
|
|
|
|
/* Make sure these don't clash with ZEND_FETCH_CLASS_* flags. */
|
|
#define IS_CONSTANT_CLASS 0x400 /* __CLASS__ in trait */
|
|
#define IS_CONSTANT_UNQUALIFIED_IN_NAMESPACE 0x800
|
|
|
|
static zend_always_inline bool zend_check_arg_send_type(const zend_function *zf, uint32_t arg_num, uint32_t mask)
|
|
{
|
|
arg_num--;
|
|
if (UNEXPECTED(arg_num >= zf->common.num_args)) {
|
|
if (EXPECTED((zf->common.fn_flags & ZEND_ACC_VARIADIC) == 0)) {
|
|
return 0;
|
|
}
|
|
arg_num = zf->common.num_args;
|
|
}
|
|
return UNEXPECTED((ZEND_ARG_SEND_MODE(&zf->common.arg_info[arg_num]) & mask) != 0);
|
|
}
|
|
|
|
#define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
|
|
zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF)
|
|
|
|
#define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
|
|
zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)
|
|
|
|
#define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
|
|
zend_check_arg_send_type(zf, arg_num, ZEND_SEND_PREFER_REF)
|
|
|
|
/* Quick API to check first 12 arguments */
|
|
#define MAX_ARG_FLAG_NUM 12
|
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
# define ZEND_SET_ARG_FLAG(zf, arg_num, mask) do { \
|
|
(zf)->quick_arg_flags |= ((mask) << ((arg_num) - 1) * 2); \
|
|
} while (0)
|
|
# define ZEND_CHECK_ARG_FLAG(zf, arg_num, mask) \
|
|
(((zf)->quick_arg_flags >> (((arg_num) - 1) * 2)) & (mask))
|
|
#else
|
|
# define ZEND_SET_ARG_FLAG(zf, arg_num, mask) do { \
|
|
(zf)->quick_arg_flags |= (((mask) << 6) << (arg_num) * 2); \
|
|
} while (0)
|
|
# define ZEND_CHECK_ARG_FLAG(zf, arg_num, mask) \
|
|
(((zf)->quick_arg_flags >> (((arg_num) + 3) * 2)) & (mask))
|
|
#endif
|
|
|
|
#define QUICK_ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
|
|
ZEND_CHECK_ARG_FLAG(zf, arg_num, ZEND_SEND_BY_REF)
|
|
|
|
#define QUICK_ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
|
|
ZEND_CHECK_ARG_FLAG(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)
|
|
|
|
#define QUICK_ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
|
|
ZEND_CHECK_ARG_FLAG(zf, arg_num, ZEND_SEND_PREFER_REF)
|
|
|
|
#define ZEND_RETURN_VAL 0
|
|
#define ZEND_RETURN_REF 1
|
|
|
|
#define ZEND_BIND_VAL 0
|
|
#define ZEND_BIND_REF 1
|
|
#define ZEND_BIND_IMPLICIT 2
|
|
#define ZEND_BIND_EXPLICIT 4
|
|
|
|
#define ZEND_RETURNS_FUNCTION (1<<0)
|
|
#define ZEND_RETURNS_VALUE (1<<1)
|
|
|
|
#define ZEND_ARRAY_ELEMENT_REF (1<<0)
|
|
#define ZEND_ARRAY_NOT_PACKED (1<<1)
|
|
#define ZEND_ARRAY_SIZE_SHIFT 2
|
|
|
|
/* Attribute for ternary inside parentheses */
|
|
#define ZEND_PARENTHESIZED_CONDITIONAL 1
|
|
|
|
/* For "use" AST nodes and the seen symbol table */
|
|
#define ZEND_SYMBOL_CLASS (1<<0)
|
|
#define ZEND_SYMBOL_FUNCTION (1<<1)
|
|
#define ZEND_SYMBOL_CONST (1<<2)
|
|
|
|
/* All increment opcodes are even (decrement are odd) */
|
|
#define ZEND_IS_INCREMENT(opcode) (((opcode) & 1) == 0)
|
|
|
|
#define ZEND_IS_BINARY_ASSIGN_OP_OPCODE(opcode) \
|
|
(((opcode) >= ZEND_ADD) && ((opcode) <= ZEND_POW))
|
|
|
|
/* Pseudo-opcodes that are used only temporarily during compilation */
|
|
#define ZEND_GOTO 253
|
|
#define ZEND_BRK 254
|
|
#define ZEND_CONT 255
|
|
|
|
|
|
END_EXTERN_C()
|
|
|
|
#define ZEND_CLONE_FUNC_NAME "__clone"
|
|
#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct"
|
|
#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct"
|
|
#define ZEND_GET_FUNC_NAME "__get"
|
|
#define ZEND_SET_FUNC_NAME "__set"
|
|
#define ZEND_UNSET_FUNC_NAME "__unset"
|
|
#define ZEND_ISSET_FUNC_NAME "__isset"
|
|
#define ZEND_CALL_FUNC_NAME "__call"
|
|
#define ZEND_CALLSTATIC_FUNC_NAME "__callstatic"
|
|
#define ZEND_TOSTRING_FUNC_NAME "__tostring"
|
|
#define ZEND_INVOKE_FUNC_NAME "__invoke"
|
|
#define ZEND_DEBUGINFO_FUNC_NAME "__debuginfo"
|
|
|
|
/* The following constants may be combined in CG(compiler_options)
|
|
* to change the default compiler behavior */
|
|
|
|
/* generate extended debug information */
|
|
#define ZEND_COMPILE_EXTENDED_STMT (1<<0)
|
|
#define ZEND_COMPILE_EXTENDED_FCALL (1<<1)
|
|
#define ZEND_COMPILE_EXTENDED_INFO (ZEND_COMPILE_EXTENDED_STMT|ZEND_COMPILE_EXTENDED_FCALL)
|
|
|
|
/* call op_array handler of extensions */
|
|
#define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<2)
|
|
|
|
/* generate ZEND_INIT_FCALL_BY_NAME for internal functions instead of ZEND_INIT_FCALL */
|
|
#define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<3)
|
|
|
|
/* don't perform early binding for classes inherited form internal ones;
|
|
* in namespaces assume that internal class that doesn't exist at compile-time
|
|
* may appear in run-time */
|
|
#define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<4)
|
|
|
|
/* generate ZEND_DECLARE_CLASS_DELAYED opcode to delay early binding */
|
|
#define ZEND_COMPILE_DELAYED_BINDING (1<<5)
|
|
|
|
/* disable constant substitution at compile-time */
|
|
#define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<6)
|
|
|
|
/* disable substitution of persistent constants at compile-time */
|
|
#define ZEND_COMPILE_NO_PERSISTENT_CONSTANT_SUBSTITUTION (1<<8)
|
|
|
|
/* generate ZEND_INIT_FCALL_BY_NAME for userland functions instead of ZEND_INIT_FCALL */
|
|
#define ZEND_COMPILE_IGNORE_USER_FUNCTIONS (1<<9)
|
|
|
|
/* force ZEND_ACC_USE_GUARDS for all classes */
|
|
#define ZEND_COMPILE_GUARDS (1<<10)
|
|
|
|
/* disable builtin special case function calls */
|
|
#define ZEND_COMPILE_NO_BUILTINS (1<<11)
|
|
|
|
/* result of compilation may be stored in file cache */
|
|
#define ZEND_COMPILE_WITH_FILE_CACHE (1<<12)
|
|
|
|
/* ignore functions and classes declared in other files */
|
|
#define ZEND_COMPILE_IGNORE_OTHER_FILES (1<<13)
|
|
|
|
/* this flag is set when compiler invoked by opcache_compile_file() */
|
|
#define ZEND_COMPILE_WITHOUT_EXECUTION (1<<14)
|
|
|
|
/* this flag is set when compiler invoked during preloading */
|
|
#define ZEND_COMPILE_PRELOAD (1<<15)
|
|
|
|
/* disable jumptable optimization for switch statements */
|
|
#define ZEND_COMPILE_NO_JUMPTABLES (1<<16)
|
|
|
|
/* this flag is set when compiler invoked during preloading in separate process */
|
|
#define ZEND_COMPILE_PRELOAD_IN_CHILD (1<<17)
|
|
|
|
/* ignore observer notifications, e.g. to manually notify afterwards in a post-processing step after compilation */
|
|
#define ZEND_COMPILE_IGNORE_OBSERVER (1<<18)
|
|
|
|
/* The default value for CG(compiler_options) */
|
|
#define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY
|
|
|
|
/* The default value for CG(compiler_options) during eval() */
|
|
#define ZEND_COMPILE_DEFAULT_FOR_EVAL 0
|
|
|
|
ZEND_API bool zend_is_op_long_compatible(const zval *op);
|
|
ZEND_API bool zend_binary_op_produces_error(uint32_t opcode, const zval *op1, const zval *op2);
|
|
ZEND_API bool zend_unary_op_produces_error(uint32_t opcode, const zval *op);
|
|
|
|
#endif /* ZEND_COMPILE_H */
|