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LibJS: Make the AST reference-counted

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This allows function objects to outlive the original parsed program
without their ScopeNode disappearing.
This commit is contained in:
Andreas Kling 2020-03-18 11:23:53 +01:00
commit ddd69e3660
Notes: sideshowbarker 2024-07-19 08:15:48 +09:00
8 changed files with 138 additions and 130 deletions
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28
Libraries/LibJS/Parser.h
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@ -28,7 +28,7 @@
#include "AST.h"
#include "Lexer.h"
#include <AK/NonnullOwnPtr.h>
#include <AK/NonnullRefPtr.h>
namespace JS {
@ -41,21 +41,21 @@ class Parser {
public:
explicit Parser(Lexer lexer);
NonnullOwnPtr<Program> parse_program();
NonnullRefPtr<Program> parse_program();
NonnullOwnPtr<Statement> parse_statement();
NonnullOwnPtr<BlockStatement> parse_block_statement();
NonnullOwnPtr<ReturnStatement> parse_return_statement();
NonnullOwnPtr<FunctionDeclaration> parse_function_declaration();
NonnullOwnPtr<VariableDeclaration> parse_variable_declaration();
NonnullOwnPtr<ForStatement> parse_for_statement();
NonnullRefPtr<Statement> parse_statement();
NonnullRefPtr<BlockStatement> parse_block_statement();
NonnullRefPtr<ReturnStatement> parse_return_statement();
NonnullRefPtr<FunctionDeclaration> parse_function_declaration();
NonnullRefPtr<VariableDeclaration> parse_variable_declaration();
NonnullRefPtr<ForStatement> parse_for_statement();
NonnullOwnPtr<Expression> parse_expression(int min_precedence, Associativity associate = Associativity::Right);
NonnullOwnPtr<Expression> parse_primary_expression();
NonnullOwnPtr<Expression> parse_unary_prefixed_expression();
NonnullOwnPtr<ObjectExpression> parse_object_expression();
NonnullOwnPtr<Expression> parse_secondary_expression(NonnullOwnPtr<Expression>, int min_precedence, Associativity associate = Associativity::Right);
NonnullOwnPtr<CallExpression> parse_call_expression(NonnullOwnPtr<Expression>);
NonnullRefPtr<Expression> parse_expression(int min_precedence, Associativity associate = Associativity::Right);
NonnullRefPtr<Expression> parse_primary_expression();
NonnullRefPtr<Expression> parse_unary_prefixed_expression();
NonnullRefPtr<ObjectExpression> parse_object_expression();
NonnullRefPtr<Expression> parse_secondary_expression(NonnullRefPtr<Expression>, int min_precedence, Associativity associate = Associativity::Right);
NonnullRefPtr<CallExpression> parse_call_expression(NonnullRefPtr<Expression>);
bool has_errors() const { return m_has_errors; }