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d92229d8c7
From an engine perspective, named parameters mainly add three concepts: * The SEND_* opcodes now accept a CONST op2, which is the argument name. For now, it is looked up by linear scan and runtime cached. * This may leave UNDEF arguments on the stack. To avoid having to deal with them in other places, a CHECK_UNDEF_ARGS opcode is used to either replace them with defaults, or error. * For variadic functions, EX(extra_named_params) are collected and need to be freed based on ZEND_CALL_HAS_EXTRA_NAMED_PARAMS. RFC: https://wiki.php.net/rfc/named_params Closes GH-5357.
69 lines
3 KiB
C
69 lines
3 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine, Call Graph |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP 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@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Dmitry Stogov <dmitry@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_CALL_GRAPH_H
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#define ZEND_CALL_GRAPH_H
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#include "zend_ssa.h"
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#include "zend_func_info.h"
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#include "zend_optimizer.h"
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typedef struct _zend_send_arg_info {
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zend_op *opline;
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} zend_send_arg_info;
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struct _zend_call_info {
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zend_op_array *caller_op_array;
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zend_op *caller_init_opline;
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zend_op *caller_call_opline;
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zend_function *callee_func;
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zend_call_info *next_caller;
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zend_call_info *next_callee;
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zend_bool recursive;
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zend_bool send_unpack; /* Parameters passed by SEND_UNPACK or SEND_ARRAY */
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zend_bool named_args; /* Function has named arguments */
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int num_args;
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zend_send_arg_info arg_info[1];
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};
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struct _zend_func_info {
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int num;
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uint32_t flags;
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zend_ssa ssa; /* Static Single Assignmnt Form */
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zend_call_info *caller_info; /* where this function is called from */
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zend_call_info *callee_info; /* which functions are called from this one */
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zend_call_info **call_map; /* Call info associated with init/call/send opnum */
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zend_ssa_var_info return_info;
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};
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typedef struct _zend_call_graph {
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int op_arrays_count;
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zend_op_array **op_arrays;
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zend_func_info *func_infos;
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} zend_call_graph;
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BEGIN_EXTERN_C()
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int zend_build_call_graph(zend_arena **arena, zend_script *script, zend_call_graph *call_graph);
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void zend_analyze_call_graph(zend_arena **arena, zend_script *script, zend_call_graph *call_graph);
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zend_call_info **zend_build_call_map(zend_arena **arena, zend_func_info *info, const zend_op_array *op_array);
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int zend_analyze_calls(zend_arena **arena, zend_script *script, uint32_t build_flags, zend_op_array *op_array, zend_func_info *func_info);
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END_EXTERN_C()
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#endif /* ZEND_CALL_GRAPH_H */
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