inline-method

directives.c
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			#include <string.h>
			#include "silver/ast.h"

			bool sv_ast_is_directive(
			ant_t js, const sv_ast_t node,
			const char *directive, size_t directive_len
			) {
			if (!node \|\| node->type != N_STRING) return false;

			if (node->str && node->len == directive_len + 2
			&& ((node->str[0] == '\'' && node->str[node->len - 1] == '\'')
			\|\| (node->str[0] == '"' && node->str[node->len - 1] == '"'))
			&& memcmp(node->str + 1, directive, directive_len) == 0
			) return true;

			return (
			node->str && node->len == directive_len
			&& memcmp(node->str, directive, directive_len) == 0
			);
			}

			bool sv_ast_is_use_strict(ant_t js, const sv_ast_t node) {
			return sv_ast_is_directive(js, node, "use strict", 10);
			}