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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /** | ||
| * Copyright (C) 2024 John Boehr & contributors | ||
| * | ||
| * This file is part of php-vyrtue. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #ifdef HAVE_CONFIG_H | ||
| #include "config.h" | ||
| #endif | ||
|
|
||
| #include <string.h> | ||
| #include <stdbool.h> | ||
|
|
||
| #include "Zend/zend_API.h" | ||
| #include "main/php.h" | ||
|
|
||
| #include "php_vyrtue.h" | ||
| #include "context.h" | ||
|
|
||
| VYRTUE_PUBLIC | ||
| VYRTUE_ATTR_NONNULL_ALL | ||
| zend_ast *vyrtue_context_node_stack_top(struct vyrtue_context *ctx) | ||
| { | ||
| return vyrtue_context_stack_top(&ctx->node_stack); | ||
| } | ||
|
|
||
| VYRTUE_PUBLIC | ||
| VYRTUE_ATTR_NONNULL_ALL | ||
| zend_ast *vyrtue_context_scope_stack_top(struct vyrtue_context *ctx) | ||
| { | ||
| return vyrtue_context_stack_top(&ctx->scope_stack); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /** | ||
| * Copyright (C) 2024 John Boehr & contributors | ||
| * | ||
| * This file is part of php-vyrtue. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #ifndef PHP_VYRTUE_CONTEXT_H | ||
| #define PHP_VYRTUE_CONTEXT_H | ||
|
|
||
| #include <Zend/zend_API.h> | ||
| #include <Zend/zend_hash.h> | ||
| #include <Zend/zend_errors.h> | ||
| #include "php_vyrtue.h" | ||
|
|
||
| #define VYRTUE_STACK_SIZE 256 | ||
|
|
||
| struct vyrtue_context_stack | ||
| { | ||
| size_t i; | ||
| zend_ast *data[VYRTUE_STACK_SIZE]; | ||
| }; | ||
|
|
||
| struct vyrtue_context | ||
| { | ||
| bool in_namespace; | ||
| bool in_group_use; | ||
| zend_string *current_namespace; | ||
| HashTable *imports; | ||
| HashTable *imports_function; | ||
| HashTable *imports_const; | ||
| struct vyrtue_context_stack scope_stack; | ||
| struct vyrtue_context_stack node_stack; | ||
| }; | ||
|
|
||
| VYRTUE_ATTR_NONNULL_ALL | ||
| static inline void vyrtue_context_stack_push(struct vyrtue_context_stack *stack, zend_ast *ast) | ||
| { | ||
| stack->data[stack->i] = ast; | ||
| stack->i++; | ||
| } | ||
|
|
||
| VYRTUE_ATTR_NONNULL_ALL | ||
| static inline void vyrtue_context_stack_pop(struct vyrtue_context_stack *stack, zend_ast *ast) | ||
| { | ||
| if (UNEXPECTED(stack->i <= 0)) { | ||
| zend_error(E_WARNING, "vyrtue: stack underflow"); | ||
| return; | ||
| } | ||
|
|
||
| stack->i--; | ||
|
|
||
| if (UNEXPECTED(ast != stack->data[stack->i])) { | ||
| zend_error(E_WARNING, "vyrtue: stack pop mismatch"); | ||
| } | ||
|
|
||
| stack->data[stack->i] = NULL; | ||
| } | ||
|
|
||
| VYRTUE_ATTR_NONNULL_ALL | ||
| static inline size_t vyrtue_context_stack_count(struct vyrtue_context_stack *stack) | ||
| { | ||
| return stack->i; | ||
| } | ||
|
|
||
| VYRTUE_ATTR_NONNULL_ALL | ||
| static inline zend_ast *vyrtue_context_stack_top(struct vyrtue_context_stack *stack) | ||
| { | ||
| if (UNEXPECTED(stack->i <= 0)) { | ||
| zend_error(E_WARNING, "vyrtue: stack underflow"); | ||
| return NULL; | ||
| } | ||
|
|
||
| return stack->data[stack->i - 1]; | ||
| } | ||
|
|
||
| #endif |
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