diff options
Diffstat (limited to 'source/Plugins/ExpressionParser/Go')
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/CMakeLists.txt | 13 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoAST.h | 1977 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoLexer.cpp | 350 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoLexer.h | 181 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoParser.cpp | 886 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoParser.h | 145 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoUserExpression.cpp | 668 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/GoUserExpression.h | 94 | ||||
| -rw-r--r-- | source/Plugins/ExpressionParser/Go/gen_go_ast.py | 464 |
9 files changed, 0 insertions, 4778 deletions
diff --git a/source/Plugins/ExpressionParser/Go/CMakeLists.txt b/source/Plugins/ExpressionParser/Go/CMakeLists.txt deleted file mode 100644 index 3d552aafa0d7..000000000000 --- a/source/Plugins/ExpressionParser/Go/CMakeLists.txt +++ /dev/null @@ -1,13 +0,0 @@ -add_lldb_library(lldbPluginExpressionParserGo PLUGIN - GoLexer.cpp - GoParser.cpp - GoUserExpression.cpp - - LINK_LIBS - lldbCore - lldbExpression - lldbSymbol - lldbTarget - LINK_COMPONENTS - Support - ) diff --git a/source/Plugins/ExpressionParser/Go/GoAST.h b/source/Plugins/ExpressionParser/Go/GoAST.h deleted file mode 100644 index d24e6c548718..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoAST.h +++ /dev/null @@ -1,1977 +0,0 @@ -//===-- GoAST.h -------------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -// DO NOT EDIT. -// Generated by gen_go_ast.py - -#ifndef liblldb_GoAST_h -#define liblldb_GoAST_h - -#include "Plugins/ExpressionParser/Go/GoLexer.h" -#include "lldb/lldb-forward.h" -#include "lldb/lldb-private.h" -#include "llvm/Support/Casting.h" - -namespace lldb_private { - -class GoASTNode { -public: - typedef GoLexer::TokenType TokenType; - typedef GoLexer::Token Token; - enum ChanDir { - eChanBidir, - eChanSend, - eChanRecv, - }; - enum NodeKind { - eBadDecl, - eFuncDecl, - eGenDecl, - eArrayType, - eBadExpr, - eBasicLit, - eBinaryExpr, - eIdent, - eCallExpr, - eChanType, - eCompositeLit, - eEllipsis, - eFuncType, - eFuncLit, - eIndexExpr, - eInterfaceType, - eKeyValueExpr, - eMapType, - eParenExpr, - eSelectorExpr, - eSliceExpr, - eStarExpr, - eStructType, - eTypeAssertExpr, - eUnaryExpr, - eImportSpec, - eTypeSpec, - eValueSpec, - eAssignStmt, - eBadStmt, - eBlockStmt, - eBranchStmt, - eCaseClause, - eCommClause, - eDeclStmt, - eDeferStmt, - eEmptyStmt, - eExprStmt, - eForStmt, - eGoStmt, - eIfStmt, - eIncDecStmt, - eLabeledStmt, - eRangeStmt, - eReturnStmt, - eSelectStmt, - eSendStmt, - eSwitchStmt, - eTypeSwitchStmt, - eField, - eFieldList, - }; - - virtual ~GoASTNode() = default; - - NodeKind GetKind() const { return m_kind; } - - virtual const char *GetKindName() const = 0; - - template <typename V> void WalkChildren(V &v); - -protected: - explicit GoASTNode(NodeKind kind) : m_kind(kind) {} - -private: - const NodeKind m_kind; - - GoASTNode(const GoASTNode &) = delete; - const GoASTNode &operator=(const GoASTNode &) = delete; -}; - -class GoASTDecl : public GoASTNode { -public: - template <typename R, typename V> R Visit(V *v) const; - - static bool classof(const GoASTNode *n) { - return n->GetKind() >= eBadDecl && n->GetKind() <= eGenDecl; - } - -protected: - explicit GoASTDecl(NodeKind kind) : GoASTNode(kind) {} - -private: - GoASTDecl(const GoASTDecl &) = delete; - const GoASTDecl &operator=(const GoASTDecl &) = delete; -}; - -class GoASTExpr : public GoASTNode { -public: - template <typename R, typename V> R Visit(V *v) const; - - static bool classof(const GoASTNode *n) { - return n->GetKind() >= eArrayType && n->GetKind() <= eUnaryExpr; - } - -protected: - explicit GoASTExpr(NodeKind kind) : GoASTNode(kind) {} - -private: - GoASTExpr(const GoASTExpr &) = delete; - const GoASTExpr &operator=(const GoASTExpr &) = delete; -}; - -class GoASTSpec : public GoASTNode { -public: - template <typename R, typename V> R Visit(V *v) const; - - static bool classof(const GoASTNode *n) { - return n->GetKind() >= eImportSpec && n->GetKind() <= eValueSpec; - } - -protected: - explicit GoASTSpec(NodeKind kind) : GoASTNode(kind) {} - -private: - GoASTSpec(const GoASTSpec &) = delete; - const GoASTSpec &operator=(const GoASTSpec &) = delete; -}; - -class GoASTStmt : public GoASTNode { -public: - template <typename R, typename V> R Visit(V *v) const; - - static bool classof(const GoASTNode *n) { - return n->GetKind() >= eAssignStmt && n->GetKind() <= eTypeSwitchStmt; - } - -protected: - explicit GoASTStmt(NodeKind kind) : GoASTNode(kind) {} - -private: - GoASTStmt(const GoASTStmt &) = delete; - const GoASTStmt &operator=(const GoASTStmt &) = delete; -}; - -class GoASTArrayType : public GoASTExpr { -public: - GoASTArrayType(GoASTExpr *len, GoASTExpr *elt) - : GoASTExpr(eArrayType), m_len_up(len), m_elt_up(elt) {} - ~GoASTArrayType() override = default; - - const char *GetKindName() const override { return "ArrayType"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eArrayType; } - - const GoASTExpr *GetLen() const { return m_len_up.get(); } - void SetLen(GoASTExpr *len) { m_len_up.reset(len); } - - const GoASTExpr *GetElt() const { return m_elt_up.get(); } - void SetElt(GoASTExpr *elt) { m_elt_up.reset(elt); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_len_up; - std::unique_ptr<GoASTExpr> m_elt_up; - - GoASTArrayType(const GoASTArrayType &) = delete; - const GoASTArrayType &operator=(const GoASTArrayType &) = delete; -}; - -class GoASTAssignStmt : public GoASTStmt { -public: - explicit GoASTAssignStmt(bool define) - : GoASTStmt(eAssignStmt), m_define(define) {} - ~GoASTAssignStmt() override = default; - - const char *GetKindName() const override { return "AssignStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eAssignStmt; - } - - size_t NumLhs() const { return m_lhs.size(); } - const GoASTExpr *GetLhs(int i) const { return m_lhs[i].get(); } - void AddLhs(GoASTExpr *lhs) { - m_lhs.push_back(std::unique_ptr<GoASTExpr>(lhs)); - } - - size_t NumRhs() const { return m_rhs.size(); } - const GoASTExpr *GetRhs(int i) const { return m_rhs[i].get(); } - void AddRhs(GoASTExpr *rhs) { - m_rhs.push_back(std::unique_ptr<GoASTExpr>(rhs)); - } - - bool GetDefine() const { return m_define; } - void SetDefine(bool define) { m_define = define; } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTExpr>> m_lhs; - std::vector<std::unique_ptr<GoASTExpr>> m_rhs; - bool m_define; - - GoASTAssignStmt(const GoASTAssignStmt &) = delete; - const GoASTAssignStmt &operator=(const GoASTAssignStmt &) = delete; -}; - -class GoASTBadDecl : public GoASTDecl { -public: - GoASTBadDecl() : GoASTDecl(eBadDecl) {} - ~GoASTBadDecl() override = default; - - const char *GetKindName() const override { return "BadDecl"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eBadDecl; } - - GoASTBadDecl(const GoASTBadDecl &) = delete; - const GoASTBadDecl &operator=(const GoASTBadDecl &) = delete; -}; - -class GoASTBadExpr : public GoASTExpr { -public: - GoASTBadExpr() : GoASTExpr(eBadExpr) {} - ~GoASTBadExpr() override = default; - - const char *GetKindName() const override { return "BadExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eBadExpr; } - - GoASTBadExpr(const GoASTBadExpr &) = delete; - const GoASTBadExpr &operator=(const GoASTBadExpr &) = delete; -}; - -class GoASTBadStmt : public GoASTStmt { -public: - GoASTBadStmt() : GoASTStmt(eBadStmt) {} - ~GoASTBadStmt() override = default; - - const char *GetKindName() const override { return "BadStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eBadStmt; } - - GoASTBadStmt(const GoASTBadStmt &) = delete; - const GoASTBadStmt &operator=(const GoASTBadStmt &) = delete; -}; - -class GoASTBasicLit : public GoASTExpr { -public: - explicit GoASTBasicLit(Token value) : GoASTExpr(eBasicLit), m_value(value) {} - ~GoASTBasicLit() override = default; - - const char *GetKindName() const override { return "BasicLit"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eBasicLit; } - - Token GetValue() const { return m_value; } - void SetValue(Token value) { m_value = value; } - -private: - friend class GoASTNode; - Token m_value; - - GoASTBasicLit(const GoASTBasicLit &) = delete; - const GoASTBasicLit &operator=(const GoASTBasicLit &) = delete; -}; - -class GoASTBinaryExpr : public GoASTExpr { -public: - GoASTBinaryExpr(GoASTExpr *x, GoASTExpr *y, TokenType op) - : GoASTExpr(eBinaryExpr), m_x_up(x), m_y_up(y), m_op(op) {} - ~GoASTBinaryExpr() override = default; - - const char *GetKindName() const override { return "BinaryExpr"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eBinaryExpr; - } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTExpr *GetY() const { return m_y_up.get(); } - void SetY(GoASTExpr *y) { m_y_up.reset(y); } - - TokenType GetOp() const { return m_op; } - void SetOp(TokenType op) { m_op = op; } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTExpr> m_y_up; - TokenType m_op; - - GoASTBinaryExpr(const GoASTBinaryExpr &) = delete; - const GoASTBinaryExpr &operator=(const GoASTBinaryExpr &) = delete; -}; - -class GoASTBlockStmt : public GoASTStmt { -public: - GoASTBlockStmt() : GoASTStmt(eBlockStmt) {} - ~GoASTBlockStmt() override = default; - - const char *GetKindName() const override { return "BlockStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eBlockStmt; } - - size_t NumList() const { return m_list.size(); } - const GoASTStmt *GetList(int i) const { return m_list[i].get(); } - void AddList(GoASTStmt *list) { - m_list.push_back(std::unique_ptr<GoASTStmt>(list)); - } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTStmt>> m_list; - - GoASTBlockStmt(const GoASTBlockStmt &) = delete; - const GoASTBlockStmt &operator=(const GoASTBlockStmt &) = delete; -}; - -class GoASTIdent : public GoASTExpr { -public: - explicit GoASTIdent(Token name) : GoASTExpr(eIdent), m_name(name) {} - ~GoASTIdent() override = default; - - const char *GetKindName() const override { return "Ident"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eIdent; } - - Token GetName() const { return m_name; } - void SetName(Token name) { m_name = name; } - -private: - friend class GoASTNode; - Token m_name; - - GoASTIdent(const GoASTIdent &) = delete; - const GoASTIdent &operator=(const GoASTIdent &) = delete; -}; - -class GoASTBranchStmt : public GoASTStmt { -public: - GoASTBranchStmt(GoASTIdent *label, TokenType tok) - : GoASTStmt(eBranchStmt), m_label_up(label), m_tok(tok) {} - ~GoASTBranchStmt() override = default; - - const char *GetKindName() const override { return "BranchStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eBranchStmt; - } - - const GoASTIdent *GetLabel() const { return m_label_up.get(); } - void SetLabel(GoASTIdent *label) { m_label_up.reset(label); } - - TokenType GetTok() const { return m_tok; } - void SetTok(TokenType tok) { m_tok = tok; } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTIdent> m_label_up; - TokenType m_tok; - - GoASTBranchStmt(const GoASTBranchStmt &) = delete; - const GoASTBranchStmt &operator=(const GoASTBranchStmt &) = delete; -}; - -class GoASTCallExpr : public GoASTExpr { -public: - explicit GoASTCallExpr(bool ellipsis) - : GoASTExpr(eCallExpr), m_ellipsis(ellipsis) {} - ~GoASTCallExpr() override = default; - - const char *GetKindName() const override { return "CallExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eCallExpr; } - - const GoASTExpr *GetFun() const { return m_fun_up.get(); } - void SetFun(GoASTExpr *fun) { m_fun_up.reset(fun); } - - size_t NumArgs() const { return m_args.size(); } - const GoASTExpr *GetArgs(int i) const { return m_args[i].get(); } - void AddArgs(GoASTExpr *args) { - m_args.push_back(std::unique_ptr<GoASTExpr>(args)); - } - - bool GetEllipsis() const { return m_ellipsis; } - void SetEllipsis(bool ellipsis) { m_ellipsis = ellipsis; } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_fun_up; - std::vector<std::unique_ptr<GoASTExpr>> m_args; - bool m_ellipsis; - - GoASTCallExpr(const GoASTCallExpr &) = delete; - const GoASTCallExpr &operator=(const GoASTCallExpr &) = delete; -}; - -class GoASTCaseClause : public GoASTStmt { -public: - GoASTCaseClause() : GoASTStmt(eCaseClause) {} - ~GoASTCaseClause() override = default; - - const char *GetKindName() const override { return "CaseClause"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eCaseClause; - } - - size_t NumList() const { return m_list.size(); } - const GoASTExpr *GetList(int i) const { return m_list[i].get(); } - void AddList(GoASTExpr *list) { - m_list.push_back(std::unique_ptr<GoASTExpr>(list)); - } - - size_t NumBody() const { return m_body.size(); } - const GoASTStmt *GetBody(int i) const { return m_body[i].get(); } - void AddBody(GoASTStmt *body) { - m_body.push_back(std::unique_ptr<GoASTStmt>(body)); - } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTExpr>> m_list; - std::vector<std::unique_ptr<GoASTStmt>> m_body; - - GoASTCaseClause(const GoASTCaseClause &) = delete; - const GoASTCaseClause &operator=(const GoASTCaseClause &) = delete; -}; - -class GoASTChanType : public GoASTExpr { -public: - GoASTChanType(ChanDir dir, GoASTExpr *value) - : GoASTExpr(eChanType), m_dir(dir), m_value_up(value) {} - ~GoASTChanType() override = default; - - const char *GetKindName() const override { return "ChanType"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eChanType; } - - ChanDir GetDir() const { return m_dir; } - void SetDir(ChanDir dir) { m_dir = dir; } - - const GoASTExpr *GetValue() const { return m_value_up.get(); } - void SetValue(GoASTExpr *value) { m_value_up.reset(value); } - -private: - friend class GoASTNode; - ChanDir m_dir; - std::unique_ptr<GoASTExpr> m_value_up; - - GoASTChanType(const GoASTChanType &) = delete; - const GoASTChanType &operator=(const GoASTChanType &) = delete; -}; - -class GoASTCommClause : public GoASTStmt { -public: - GoASTCommClause() : GoASTStmt(eCommClause) {} - ~GoASTCommClause() override = default; - - const char *GetKindName() const override { return "CommClause"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eCommClause; - } - - const GoASTStmt *GetComm() const { return m_comm_up.get(); } - void SetComm(GoASTStmt *comm) { m_comm_up.reset(comm); } - - size_t NumBody() const { return m_body.size(); } - const GoASTStmt *GetBody(int i) const { return m_body[i].get(); } - void AddBody(GoASTStmt *body) { - m_body.push_back(std::unique_ptr<GoASTStmt>(body)); - } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTStmt> m_comm_up; - std::vector<std::unique_ptr<GoASTStmt>> m_body; - - GoASTCommClause(const GoASTCommClause &) = delete; - const GoASTCommClause &operator=(const GoASTCommClause &) = delete; -}; - -class GoASTCompositeLit : public GoASTExpr { -public: - GoASTCompositeLit() : GoASTExpr(eCompositeLit) {} - ~GoASTCompositeLit() override = default; - - const char *GetKindName() const override { return "CompositeLit"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eCompositeLit; - } - - const GoASTExpr *GetType() const { return m_type_up.get(); } - void SetType(GoASTExpr *type) { m_type_up.reset(type); } - - size_t NumElts() const { return m_elts.size(); } - const GoASTExpr *GetElts(int i) const { return m_elts[i].get(); } - void AddElts(GoASTExpr *elts) { - m_elts.push_back(std::unique_ptr<GoASTExpr>(elts)); - } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_type_up; - std::vector<std::unique_ptr<GoASTExpr>> m_elts; - - GoASTCompositeLit(const GoASTCompositeLit &) = delete; - const GoASTCompositeLit &operator=(const GoASTCompositeLit &) = delete; -}; - -class GoASTDeclStmt : public GoASTStmt { -public: - explicit GoASTDeclStmt(GoASTDecl *decl) - : GoASTStmt(eDeclStmt), m_decl_up(decl) {} - ~GoASTDeclStmt() override = default; - - const char *GetKindName() const override { return "DeclStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eDeclStmt; } - - const GoASTDecl *GetDecl() const { return m_decl_up.get(); } - void SetDecl(GoASTDecl *decl) { m_decl_up.reset(decl); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTDecl> m_decl_up; - - GoASTDeclStmt(const GoASTDeclStmt &) = delete; - const GoASTDeclStmt &operator=(const GoASTDeclStmt &) = delete; -}; - -class GoASTDeferStmt : public GoASTStmt { -public: - explicit GoASTDeferStmt(GoASTCallExpr *call) - : GoASTStmt(eDeferStmt), m_call_up(call) {} - ~GoASTDeferStmt() override = default; - - const char *GetKindName() const override { return "DeferStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eDeferStmt; } - - const GoASTCallExpr *GetCall() const { return m_call_up.get(); } - void SetCall(GoASTCallExpr *call) { m_call_up.reset(call); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTCallExpr> m_call_up; - - GoASTDeferStmt(const GoASTDeferStmt &) = delete; - const GoASTDeferStmt &operator=(const GoASTDeferStmt &) = delete; -}; - -class GoASTEllipsis : public GoASTExpr { -public: - explicit GoASTEllipsis(GoASTExpr *elt) - : GoASTExpr(eEllipsis), m_elt_up(elt) {} - ~GoASTEllipsis() override = default; - - const char *GetKindName() const override { return "Ellipsis"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eEllipsis; } - - const GoASTExpr *GetElt() const { return m_elt_up.get(); } - void SetElt(GoASTExpr *elt) { m_elt_up.reset(elt); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_elt_up; - - GoASTEllipsis(const GoASTEllipsis &) = delete; - const GoASTEllipsis &operator=(const GoASTEllipsis &) = delete; -}; - -class GoASTEmptyStmt : public GoASTStmt { -public: - GoASTEmptyStmt() : GoASTStmt(eEmptyStmt) {} - ~GoASTEmptyStmt() override = default; - - const char *GetKindName() const override { return "EmptyStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eEmptyStmt; } - - GoASTEmptyStmt(const GoASTEmptyStmt &) = delete; - const GoASTEmptyStmt &operator=(const GoASTEmptyStmt &) = delete; -}; - -class GoASTExprStmt : public GoASTStmt { -public: - explicit GoASTExprStmt(GoASTExpr *x) : GoASTStmt(eExprStmt), m_x_up(x) {} - ~GoASTExprStmt() override = default; - - const char *GetKindName() const override { return "ExprStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eExprStmt; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - - GoASTExprStmt(const GoASTExprStmt &) = delete; - const GoASTExprStmt &operator=(const GoASTExprStmt &) = delete; -}; - -class GoASTField : public GoASTNode { -public: - GoASTField() : GoASTNode(eField) {} - ~GoASTField() override = default; - - const char *GetKindName() const override { return "Field"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eField; } - - size_t NumNames() const { return m_names.size(); } - const GoASTIdent *GetNames(int i) const { return m_names[i].get(); } - void AddNames(GoASTIdent *names) { - m_names.push_back(std::unique_ptr<GoASTIdent>(names)); - } - - const GoASTExpr *GetType() const { return m_type_up.get(); } - void SetType(GoASTExpr *type) { m_type_up.reset(type); } - - const GoASTBasicLit *GetTag() const { return m_tag_up.get(); } - void SetTag(GoASTBasicLit *tag) { m_tag_up.reset(tag); } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTIdent>> m_names; - std::unique_ptr<GoASTExpr> m_type_up; - std::unique_ptr<GoASTBasicLit> m_tag_up; - - GoASTField(const GoASTField &) = delete; - const GoASTField &operator=(const GoASTField &) = delete; -}; - -class GoASTFieldList : public GoASTNode { -public: - GoASTFieldList() : GoASTNode(eFieldList) {} - ~GoASTFieldList() override = default; - - const char *GetKindName() const override { return "FieldList"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eFieldList; } - - size_t NumList() const { return m_list.size(); } - const GoASTField *GetList(int i) const { return m_list[i].get(); } - void AddList(GoASTField *list) { - m_list.push_back(std::unique_ptr<GoASTField>(list)); - } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTField>> m_list; - - GoASTFieldList(const GoASTFieldList &) = delete; - const GoASTFieldList &operator=(const GoASTFieldList &) = delete; -}; - -class GoASTForStmt : public GoASTStmt { -public: - GoASTForStmt(GoASTStmt *init, GoASTExpr *cond, GoASTStmt *post, - GoASTBlockStmt *body) - : GoASTStmt(eForStmt), m_init_up(init), m_cond_up(cond), m_post_up(post), - m_body_up(body) {} - ~GoASTForStmt() override = default; - - const char *GetKindName() const override { return "ForStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eForStmt; } - - const GoASTStmt *GetInit() const { return m_init_up.get(); } - void SetInit(GoASTStmt *init) { m_init_up.reset(init); } - - const GoASTExpr *GetCond() const { return m_cond_up.get(); } - void SetCond(GoASTExpr *cond) { m_cond_up.reset(cond); } - - const GoASTStmt *GetPost() const { return m_post_up.get(); } - void SetPost(GoASTStmt *post) { m_post_up.reset(post); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTStmt> m_init_up; - std::unique_ptr<GoASTExpr> m_cond_up; - std::unique_ptr<GoASTStmt> m_post_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTForStmt(const GoASTForStmt &) = delete; - const GoASTForStmt &operator=(const GoASTForStmt &) = delete; -}; - -class GoASTFuncType : public GoASTExpr { -public: - GoASTFuncType(GoASTFieldList *params, GoASTFieldList *results) - : GoASTExpr(eFuncType), m_params_up(params), m_results_up(results) {} - ~GoASTFuncType() override = default; - - const char *GetKindName() const override { return "FuncType"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eFuncType; } - - const GoASTFieldList *GetParams() const { return m_params_up.get(); } - void SetParams(GoASTFieldList *params) { m_params_up.reset(params); } - - const GoASTFieldList *GetResults() const { return m_results_up.get(); } - void SetResults(GoASTFieldList *results) { m_results_up.reset(results); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTFieldList> m_params_up; - std::unique_ptr<GoASTFieldList> m_results_up; - - GoASTFuncType(const GoASTFuncType &) = delete; - const GoASTFuncType &operator=(const GoASTFuncType &) = delete; -}; - -class GoASTFuncDecl : public GoASTDecl { -public: - GoASTFuncDecl(GoASTFieldList *recv, GoASTIdent *name, GoASTFuncType *type, - GoASTBlockStmt *body) - : GoASTDecl(eFuncDecl), m_recv_up(recv), m_name_up(name), m_type_up(type), - m_body_up(body) {} - ~GoASTFuncDecl() override = default; - - const char *GetKindName() const override { return "FuncDecl"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eFuncDecl; } - - const GoASTFieldList *GetRecv() const { return m_recv_up.get(); } - void SetRecv(GoASTFieldList *recv) { m_recv_up.reset(recv); } - - const GoASTIdent *GetName() const { return m_name_up.get(); } - void SetName(GoASTIdent *name) { m_name_up.reset(name); } - - const GoASTFuncType *GetType() const { return m_type_up.get(); } - void SetType(GoASTFuncType *type) { m_type_up.reset(type); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTFieldList> m_recv_up; - std::unique_ptr<GoASTIdent> m_name_up; - std::unique_ptr<GoASTFuncType> m_type_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTFuncDecl(const GoASTFuncDecl &) = delete; - const GoASTFuncDecl &operator=(const GoASTFuncDecl &) = delete; -}; - -class GoASTFuncLit : public GoASTExpr { -public: - GoASTFuncLit(GoASTFuncType *type, GoASTBlockStmt *body) - : GoASTExpr(eFuncLit), m_type_up(type), m_body_up(body) {} - ~GoASTFuncLit() override = default; - - const char *GetKindName() const override { return "FuncLit"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eFuncLit; } - - const GoASTFuncType *GetType() const { return m_type_up.get(); } - void SetType(GoASTFuncType *type) { m_type_up.reset(type); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTFuncType> m_type_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTFuncLit(const GoASTFuncLit &) = delete; - const GoASTFuncLit &operator=(const GoASTFuncLit &) = delete; -}; - -class GoASTGenDecl : public GoASTDecl { -public: - explicit GoASTGenDecl(TokenType tok) : GoASTDecl(eGenDecl), m_tok(tok) {} - ~GoASTGenDecl() override = default; - - const char *GetKindName() const override { return "GenDecl"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eGenDecl; } - - TokenType GetTok() const { return m_tok; } - void SetTok(TokenType tok) { m_tok = tok; } - - size_t NumSpecs() const { return m_specs.size(); } - const GoASTSpec *GetSpecs(int i) const { return m_specs[i].get(); } - void AddSpecs(GoASTSpec *specs) { - m_specs.push_back(std::unique_ptr<GoASTSpec>(specs)); - } - -private: - friend class GoASTNode; - TokenType m_tok; - std::vector<std::unique_ptr<GoASTSpec>> m_specs; - - GoASTGenDecl(const GoASTGenDecl &) = delete; - const GoASTGenDecl &operator=(const GoASTGenDecl &) = delete; -}; - -class GoASTGoStmt : public GoASTStmt { -public: - explicit GoASTGoStmt(GoASTCallExpr *call) - : GoASTStmt(eGoStmt), m_call_up(call) {} - ~GoASTGoStmt() override = default; - - const char *GetKindName() const override { return "GoStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eGoStmt; } - - const GoASTCallExpr *GetCall() const { return m_call_up.get(); } - void SetCall(GoASTCallExpr *call) { m_call_up.reset(call); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTCallExpr> m_call_up; - - GoASTGoStmt(const GoASTGoStmt &) = delete; - const GoASTGoStmt &operator=(const GoASTGoStmt &) = delete; -}; - -class GoASTIfStmt : public GoASTStmt { -public: - GoASTIfStmt(GoASTStmt *init, GoASTExpr *cond, GoASTBlockStmt *body, - GoASTStmt *els) - : GoASTStmt(eIfStmt), m_init_up(init), m_cond_up(cond), m_body_up(body), - m_els_up(els) {} - ~GoASTIfStmt() override = default; - - const char *GetKindName() const override { return "IfStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eIfStmt; } - - const GoASTStmt *GetInit() const { return m_init_up.get(); } - void SetInit(GoASTStmt *init) { m_init_up.reset(init); } - - const GoASTExpr *GetCond() const { return m_cond_up.get(); } - void SetCond(GoASTExpr *cond) { m_cond_up.reset(cond); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - - const GoASTStmt *GetEls() const { return m_els_up.get(); } - void SetEls(GoASTStmt *els) { m_els_up.reset(els); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTStmt> m_init_up; - std::unique_ptr<GoASTExpr> m_cond_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - std::unique_ptr<GoASTStmt> m_els_up; - - GoASTIfStmt(const GoASTIfStmt &) = delete; - const GoASTIfStmt &operator=(const GoASTIfStmt &) = delete; -}; - -class GoASTImportSpec : public GoASTSpec { -public: - GoASTImportSpec(GoASTIdent *name, GoASTBasicLit *path) - : GoASTSpec(eImportSpec), m_name_up(name), m_path_up(path) {} - ~GoASTImportSpec() override = default; - - const char *GetKindName() const override { return "ImportSpec"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eImportSpec; - } - - const GoASTIdent *GetName() const { return m_name_up.get(); } - void SetName(GoASTIdent *name) { m_name_up.reset(name); } - - const GoASTBasicLit *GetPath() const { return m_path_up.get(); } - void SetPath(GoASTBasicLit *path) { m_path_up.reset(path); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTIdent> m_name_up; - std::unique_ptr<GoASTBasicLit> m_path_up; - - GoASTImportSpec(const GoASTImportSpec &) = delete; - const GoASTImportSpec &operator=(const GoASTImportSpec &) = delete; -}; - -class GoASTIncDecStmt : public GoASTStmt { -public: - GoASTIncDecStmt(GoASTExpr *x, TokenType tok) - : GoASTStmt(eIncDecStmt), m_x_up(x), m_tok(tok) {} - ~GoASTIncDecStmt() override = default; - - const char *GetKindName() const override { return "IncDecStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eIncDecStmt; - } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - TokenType GetTok() const { return m_tok; } - void SetTok(TokenType tok) { m_tok = tok; } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - TokenType m_tok; - - GoASTIncDecStmt(const GoASTIncDecStmt &) = delete; - const GoASTIncDecStmt &operator=(const GoASTIncDecStmt &) = delete; -}; - -class GoASTIndexExpr : public GoASTExpr { -public: - GoASTIndexExpr(GoASTExpr *x, GoASTExpr *index) - : GoASTExpr(eIndexExpr), m_x_up(x), m_index_up(index) {} - ~GoASTIndexExpr() override = default; - - const char *GetKindName() const override { return "IndexExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eIndexExpr; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTExpr *GetIndex() const { return m_index_up.get(); } - void SetIndex(GoASTExpr *index) { m_index_up.reset(index); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTExpr> m_index_up; - - GoASTIndexExpr(const GoASTIndexExpr &) = delete; - const GoASTIndexExpr &operator=(const GoASTIndexExpr &) = delete; -}; - -class GoASTInterfaceType : public GoASTExpr { -public: - explicit GoASTInterfaceType(GoASTFieldList *methods) - : GoASTExpr(eInterfaceType), m_methods_up(methods) {} - ~GoASTInterfaceType() override = default; - - const char *GetKindName() const override { return "InterfaceType"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eInterfaceType; - } - - const GoASTFieldList *GetMethods() const { return m_methods_up.get(); } - void SetMethods(GoASTFieldList *methods) { m_methods_up.reset(methods); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTFieldList> m_methods_up; - - GoASTInterfaceType(const GoASTInterfaceType &) = delete; - const GoASTInterfaceType &operator=(const GoASTInterfaceType &) = delete; -}; - -class GoASTKeyValueExpr : public GoASTExpr { -public: - GoASTKeyValueExpr(GoASTExpr *key, GoASTExpr *value) - : GoASTExpr(eKeyValueExpr), m_key_up(key), m_value_up(value) {} - ~GoASTKeyValueExpr() override = default; - - const char *GetKindName() const override { return "KeyValueExpr"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eKeyValueExpr; - } - - const GoASTExpr *GetKey() const { return m_key_up.get(); } - void SetKey(GoASTExpr *key) { m_key_up.reset(key); } - - const GoASTExpr *GetValue() const { return m_value_up.get(); } - void SetValue(GoASTExpr *value) { m_value_up.reset(value); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_key_up; - std::unique_ptr<GoASTExpr> m_value_up; - - GoASTKeyValueExpr(const GoASTKeyValueExpr &) = delete; - const GoASTKeyValueExpr &operator=(const GoASTKeyValueExpr &) = delete; -}; - -class GoASTLabeledStmt : public GoASTStmt { -public: - GoASTLabeledStmt(GoASTIdent *label, GoASTStmt *stmt) - : GoASTStmt(eLabeledStmt), m_label_up(label), m_stmt_up(stmt) {} - ~GoASTLabeledStmt() override = default; - - const char *GetKindName() const override { return "LabeledStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eLabeledStmt; - } - - const GoASTIdent *GetLabel() const { return m_label_up.get(); } - void SetLabel(GoASTIdent *label) { m_label_up.reset(label); } - - const GoASTStmt *GetStmt() const { return m_stmt_up.get(); } - void SetStmt(GoASTStmt *stmt) { m_stmt_up.reset(stmt); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTIdent> m_label_up; - std::unique_ptr<GoASTStmt> m_stmt_up; - - GoASTLabeledStmt(const GoASTLabeledStmt &) = delete; - const GoASTLabeledStmt &operator=(const GoASTLabeledStmt &) = delete; -}; - -class GoASTMapType : public GoASTExpr { -public: - GoASTMapType(GoASTExpr *key, GoASTExpr *value) - : GoASTExpr(eMapType), m_key_up(key), m_value_up(value) {} - ~GoASTMapType() override = default; - - const char *GetKindName() const override { return "MapType"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eMapType; } - - const GoASTExpr *GetKey() const { return m_key_up.get(); } - void SetKey(GoASTExpr *key) { m_key_up.reset(key); } - - const GoASTExpr *GetValue() const { return m_value_up.get(); } - void SetValue(GoASTExpr *value) { m_value_up.reset(value); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_key_up; - std::unique_ptr<GoASTExpr> m_value_up; - - GoASTMapType(const GoASTMapType &) = delete; - const GoASTMapType &operator=(const GoASTMapType &) = delete; -}; - -class GoASTParenExpr : public GoASTExpr { -public: - explicit GoASTParenExpr(GoASTExpr *x) : GoASTExpr(eParenExpr), m_x_up(x) {} - ~GoASTParenExpr() override = default; - - const char *GetKindName() const override { return "ParenExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eParenExpr; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - - GoASTParenExpr(const GoASTParenExpr &) = delete; - const GoASTParenExpr &operator=(const GoASTParenExpr &) = delete; -}; - -class GoASTRangeStmt : public GoASTStmt { -public: - GoASTRangeStmt(GoASTExpr *key, GoASTExpr *value, bool define, GoASTExpr *x, - GoASTBlockStmt *body) - : GoASTStmt(eRangeStmt), m_key_up(key), m_value_up(value), - m_define(define), m_x_up(x), m_body_up(body) {} - ~GoASTRangeStmt() override = default; - - const char *GetKindName() const override { return "RangeStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eRangeStmt; } - - const GoASTExpr *GetKey() const { return m_key_up.get(); } - void SetKey(GoASTExpr *key) { m_key_up.reset(key); } - - const GoASTExpr *GetValue() const { return m_value_up.get(); } - void SetValue(GoASTExpr *value) { m_value_up.reset(value); } - - bool GetDefine() const { return m_define; } - void SetDefine(bool define) { m_define = define; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_key_up; - std::unique_ptr<GoASTExpr> m_value_up; - bool m_define; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTRangeStmt(const GoASTRangeStmt &) = delete; - const GoASTRangeStmt &operator=(const GoASTRangeStmt &) = delete; -}; - -class GoASTReturnStmt : public GoASTStmt { -public: - GoASTReturnStmt() : GoASTStmt(eReturnStmt) {} - ~GoASTReturnStmt() override = default; - - const char *GetKindName() const override { return "ReturnStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eReturnStmt; - } - - size_t NumResults() const { return m_results.size(); } - const GoASTExpr *GetResults(int i) const { return m_results[i].get(); } - void AddResults(GoASTExpr *results) { - m_results.push_back(std::unique_ptr<GoASTExpr>(results)); - } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTExpr>> m_results; - - GoASTReturnStmt(const GoASTReturnStmt &) = delete; - const GoASTReturnStmt &operator=(const GoASTReturnStmt &) = delete; -}; - -class GoASTSelectStmt : public GoASTStmt { -public: - explicit GoASTSelectStmt(GoASTBlockStmt *body) - : GoASTStmt(eSelectStmt), m_body_up(body) {} - ~GoASTSelectStmt() override = default; - - const char *GetKindName() const override { return "SelectStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eSelectStmt; - } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTSelectStmt(const GoASTSelectStmt &) = delete; - const GoASTSelectStmt &operator=(const GoASTSelectStmt &) = delete; -}; - -class GoASTSelectorExpr : public GoASTExpr { -public: - GoASTSelectorExpr(GoASTExpr *x, GoASTIdent *sel) - : GoASTExpr(eSelectorExpr), m_x_up(x), m_sel_up(sel) {} - ~GoASTSelectorExpr() override = default; - - const char *GetKindName() const override { return "SelectorExpr"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eSelectorExpr; - } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTIdent *GetSel() const { return m_sel_up.get(); } - void SetSel(GoASTIdent *sel) { m_sel_up.reset(sel); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTIdent> m_sel_up; - - GoASTSelectorExpr(const GoASTSelectorExpr &) = delete; - const GoASTSelectorExpr &operator=(const GoASTSelectorExpr &) = delete; -}; - -class GoASTSendStmt : public GoASTStmt { -public: - GoASTSendStmt(GoASTExpr *chan, GoASTExpr *value) - : GoASTStmt(eSendStmt), m_chan_up(chan), m_value_up(value) {} - ~GoASTSendStmt() override = default; - - const char *GetKindName() const override { return "SendStmt"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eSendStmt; } - - const GoASTExpr *GetChan() const { return m_chan_up.get(); } - void SetChan(GoASTExpr *chan) { m_chan_up.reset(chan); } - - const GoASTExpr *GetValue() const { return m_value_up.get(); } - void SetValue(GoASTExpr *value) { m_value_up.reset(value); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_chan_up; - std::unique_ptr<GoASTExpr> m_value_up; - - GoASTSendStmt(const GoASTSendStmt &) = delete; - const GoASTSendStmt &operator=(const GoASTSendStmt &) = delete; -}; - -class GoASTSliceExpr : public GoASTExpr { -public: - GoASTSliceExpr(GoASTExpr *x, GoASTExpr *low, GoASTExpr *high, GoASTExpr *max, - bool slice3) - : GoASTExpr(eSliceExpr), m_x_up(x), m_low_up(low), m_high_up(high), - m_max_up(max), m_slice3(slice3) {} - ~GoASTSliceExpr() override = default; - - const char *GetKindName() const override { return "SliceExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eSliceExpr; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTExpr *GetLow() const { return m_low_up.get(); } - void SetLow(GoASTExpr *low) { m_low_up.reset(low); } - - const GoASTExpr *GetHigh() const { return m_high_up.get(); } - void SetHigh(GoASTExpr *high) { m_high_up.reset(high); } - - const GoASTExpr *GetMax() const { return m_max_up.get(); } - void SetMax(GoASTExpr *max) { m_max_up.reset(max); } - - bool GetSlice3() const { return m_slice3; } - void SetSlice3(bool slice3) { m_slice3 = slice3; } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTExpr> m_low_up; - std::unique_ptr<GoASTExpr> m_high_up; - std::unique_ptr<GoASTExpr> m_max_up; - bool m_slice3; - - GoASTSliceExpr(const GoASTSliceExpr &) = delete; - const GoASTSliceExpr &operator=(const GoASTSliceExpr &) = delete; -}; - -class GoASTStarExpr : public GoASTExpr { -public: - explicit GoASTStarExpr(GoASTExpr *x) : GoASTExpr(eStarExpr), m_x_up(x) {} - ~GoASTStarExpr() override = default; - - const char *GetKindName() const override { return "StarExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eStarExpr; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - - GoASTStarExpr(const GoASTStarExpr &) = delete; - const GoASTStarExpr &operator=(const GoASTStarExpr &) = delete; -}; - -class GoASTStructType : public GoASTExpr { -public: - explicit GoASTStructType(GoASTFieldList *fields) - : GoASTExpr(eStructType), m_fields_up(fields) {} - ~GoASTStructType() override = default; - - const char *GetKindName() const override { return "StructType"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eStructType; - } - - const GoASTFieldList *GetFields() const { return m_fields_up.get(); } - void SetFields(GoASTFieldList *fields) { m_fields_up.reset(fields); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTFieldList> m_fields_up; - - GoASTStructType(const GoASTStructType &) = delete; - const GoASTStructType &operator=(const GoASTStructType &) = delete; -}; - -class GoASTSwitchStmt : public GoASTStmt { -public: - GoASTSwitchStmt(GoASTStmt *init, GoASTExpr *tag, GoASTBlockStmt *body) - : GoASTStmt(eSwitchStmt), m_init_up(init), m_tag_up(tag), - m_body_up(body) {} - ~GoASTSwitchStmt() override = default; - - const char *GetKindName() const override { return "SwitchStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eSwitchStmt; - } - - const GoASTStmt *GetInit() const { return m_init_up.get(); } - void SetInit(GoASTStmt *init) { m_init_up.reset(init); } - - const GoASTExpr *GetTag() const { return m_tag_up.get(); } - void SetTag(GoASTExpr *tag) { m_tag_up.reset(tag); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTStmt> m_init_up; - std::unique_ptr<GoASTExpr> m_tag_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTSwitchStmt(const GoASTSwitchStmt &) = delete; - const GoASTSwitchStmt &operator=(const GoASTSwitchStmt &) = delete; -}; - -class GoASTTypeAssertExpr : public GoASTExpr { -public: - GoASTTypeAssertExpr(GoASTExpr *x, GoASTExpr *type) - : GoASTExpr(eTypeAssertExpr), m_x_up(x), m_type_up(type) {} - ~GoASTTypeAssertExpr() override = default; - - const char *GetKindName() const override { return "TypeAssertExpr"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eTypeAssertExpr; - } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - - const GoASTExpr *GetType() const { return m_type_up.get(); } - void SetType(GoASTExpr *type) { m_type_up.reset(type); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTExpr> m_x_up; - std::unique_ptr<GoASTExpr> m_type_up; - - GoASTTypeAssertExpr(const GoASTTypeAssertExpr &) = delete; - const GoASTTypeAssertExpr &operator=(const GoASTTypeAssertExpr &) = delete; -}; - -class GoASTTypeSpec : public GoASTSpec { -public: - GoASTTypeSpec(GoASTIdent *name, GoASTExpr *type) - : GoASTSpec(eTypeSpec), m_name_up(name), m_type_up(type) {} - ~GoASTTypeSpec() override = default; - - const char *GetKindName() const override { return "TypeSpec"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eTypeSpec; } - - const GoASTIdent *GetName() const { return m_name_up.get(); } - void SetName(GoASTIdent *name) { m_name_up.reset(name); } - - const GoASTExpr *GetType() const { return m_type_up.get(); } - void SetType(GoASTExpr *type) { m_type_up.reset(type); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTIdent> m_name_up; - std::unique_ptr<GoASTExpr> m_type_up; - - GoASTTypeSpec(const GoASTTypeSpec &) = delete; - const GoASTTypeSpec &operator=(const GoASTTypeSpec &) = delete; -}; - -class GoASTTypeSwitchStmt : public GoASTStmt { -public: - GoASTTypeSwitchStmt(GoASTStmt *init, GoASTStmt *assign, GoASTBlockStmt *body) - : GoASTStmt(eTypeSwitchStmt), m_init_up(init), m_assign_up(assign), - m_body_up(body) {} - ~GoASTTypeSwitchStmt() override = default; - - const char *GetKindName() const override { return "TypeSwitchStmt"; } - - static bool classof(const GoASTNode *n) { - return n->GetKind() == eTypeSwitchStmt; - } - - const GoASTStmt *GetInit() const { return m_init_up.get(); } - void SetInit(GoASTStmt *init) { m_init_up.reset(init); } - - const GoASTStmt *GetAssign() const { return m_assign_up.get(); } - void SetAssign(GoASTStmt *assign) { m_assign_up.reset(assign); } - - const GoASTBlockStmt *GetBody() const { return m_body_up.get(); } - void SetBody(GoASTBlockStmt *body) { m_body_up.reset(body); } - -private: - friend class GoASTNode; - std::unique_ptr<GoASTStmt> m_init_up; - std::unique_ptr<GoASTStmt> m_assign_up; - std::unique_ptr<GoASTBlockStmt> m_body_up; - - GoASTTypeSwitchStmt(const GoASTTypeSwitchStmt &) = delete; - const GoASTTypeSwitchStmt &operator=(const GoASTTypeSwitchStmt &) = delete; -}; - -class GoASTUnaryExpr : public GoASTExpr { -public: - GoASTUnaryExpr(TokenType op, GoASTExpr *x) - : GoASTExpr(eUnaryExpr), m_op(op), m_x_up(x) {} - ~GoASTUnaryExpr() override = default; - - const char *GetKindName() const override { return "UnaryExpr"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eUnaryExpr; } - - TokenType GetOp() const { return m_op; } - void SetOp(TokenType op) { m_op = op; } - - const GoASTExpr *GetX() const { return m_x_up.get(); } - void SetX(GoASTExpr *x) { m_x_up.reset(x); } - -private: - friend class GoASTNode; - TokenType m_op; - std::unique_ptr<GoASTExpr> m_x_up; - - GoASTUnaryExpr(const GoASTUnaryExpr &) = delete; - const GoASTUnaryExpr &operator=(const GoASTUnaryExpr &) = delete; -}; - -class GoASTValueSpec : public GoASTSpec { -public: - GoASTValueSpec() : GoASTSpec(eValueSpec) {} - ~GoASTValueSpec() override = default; - - const char *GetKindName() const override { return "ValueSpec"; } - - static bool classof(const GoASTNode *n) { return n->GetKind() == eValueSpec; } - - size_t NumNames() const { return m_names.size(); } - const GoASTIdent *GetNames(int i) const { return m_names[i].get(); } - void AddNames(GoASTIdent *names) { - m_names.push_back(std::unique_ptr<GoASTIdent>(names)); - } - - const GoASTExpr *GetType() const { return m_type_up.get(); } - void SetType(GoASTExpr *type) { m_type_up.reset(type); } - - size_t NumValues() const { return m_values.size(); } - const GoASTExpr *GetValues(int i) const { return m_values[i].get(); } - void AddValues(GoASTExpr *values) { - m_values.push_back(std::unique_ptr<GoASTExpr>(values)); - } - -private: - friend class GoASTNode; - std::vector<std::unique_ptr<GoASTIdent>> m_names; - std::unique_ptr<GoASTExpr> m_type_up; - std::vector<std::unique_ptr<GoASTExpr>> m_values; - - GoASTValueSpec(const GoASTValueSpec &) = delete; - const GoASTValueSpec &operator=(const GoASTValueSpec &) = delete; -}; - -template <typename R, typename V> R GoASTDecl::Visit(V *v) const { - switch (GetKind()) { - case eBadDecl: - return v->VisitBadDecl(llvm::cast<const GoASTBadDecl>(this)); - case eFuncDecl: - return v->VisitFuncDecl(llvm::cast<const GoASTFuncDecl>(this)); - case eGenDecl: - return v->VisitGenDecl(llvm::cast<const GoASTGenDecl>(this)); - default: - assert(false && "Invalid kind"); - } -} - -template <typename R, typename V> R GoASTExpr::Visit(V *v) const { - switch (GetKind()) { - case eArrayType: - return v->VisitArrayType(llvm::cast<const GoASTArrayType>(this)); - case eBadExpr: - return v->VisitBadExpr(llvm::cast<const GoASTBadExpr>(this)); - case eBasicLit: - return v->VisitBasicLit(llvm::cast<const GoASTBasicLit>(this)); - case eBinaryExpr: - return v->VisitBinaryExpr(llvm::cast<const GoASTBinaryExpr>(this)); - case eIdent: - return v->VisitIdent(llvm::cast<const GoASTIdent>(this)); - case eCallExpr: - return v->VisitCallExpr(llvm::cast<const GoASTCallExpr>(this)); - case eChanType: - return v->VisitChanType(llvm::cast<const GoASTChanType>(this)); - case eCompositeLit: - return v->VisitCompositeLit(llvm::cast<const GoASTCompositeLit>(this)); - case eEllipsis: - return v->VisitEllipsis(llvm::cast<const GoASTEllipsis>(this)); - case eFuncType: - return v->VisitFuncType(llvm::cast<const GoASTFuncType>(this)); - case eFuncLit: - return v->VisitFuncLit(llvm::cast<const GoASTFuncLit>(this)); - case eIndexExpr: - return v->VisitIndexExpr(llvm::cast<const GoASTIndexExpr>(this)); - case eInterfaceType: - return v->VisitInterfaceType(llvm::cast<const GoASTInterfaceType>(this)); - case eKeyValueExpr: - return v->VisitKeyValueExpr(llvm::cast<const GoASTKeyValueExpr>(this)); - case eMapType: - return v->VisitMapType(llvm::cast<const GoASTMapType>(this)); - case eParenExpr: - return v->VisitParenExpr(llvm::cast<const GoASTParenExpr>(this)); - case eSelectorExpr: - return v->VisitSelectorExpr(llvm::cast<const GoASTSelectorExpr>(this)); - case eSliceExpr: - return v->VisitSliceExpr(llvm::cast<const GoASTSliceExpr>(this)); - case eStarExpr: - return v->VisitStarExpr(llvm::cast<const GoASTStarExpr>(this)); - case eStructType: - return v->VisitStructType(llvm::cast<const GoASTStructType>(this)); - case eTypeAssertExpr: - return v->VisitTypeAssertExpr(llvm::cast<const GoASTTypeAssertExpr>(this)); - case eUnaryExpr: - return v->VisitUnaryExpr(llvm::cast<const GoASTUnaryExpr>(this)); - default: - assert(false && "Invalid kind"); - return R(); - } -} - -template <typename R, typename V> R GoASTSpec::Visit(V *v) const { - switch (GetKind()) { - case eImportSpec: - return v->VisitImportSpec(llvm::cast<const GoASTImportSpec>(this)); - case eTypeSpec: - return v->VisitTypeSpec(llvm::cast<const GoASTTypeSpec>(this)); - case eValueSpec: - return v->VisitValueSpec(llvm::cast<const GoASTValueSpec>(this)); - default: - assert(false && "Invalid kind"); - } -} - -template <typename R, typename V> R GoASTStmt::Visit(V *v) const { - switch (GetKind()) { - case eAssignStmt: - return v->VisitAssignStmt(llvm::cast<const GoASTAssignStmt>(this)); - case eBadStmt: - return v->VisitBadStmt(llvm::cast<const GoASTBadStmt>(this)); - case eBlockStmt: - return v->VisitBlockStmt(llvm::cast<const GoASTBlockStmt>(this)); - case eBranchStmt: - return v->VisitBranchStmt(llvm::cast<const GoASTBranchStmt>(this)); - case eCaseClause: - return v->VisitCaseClause(llvm::cast<const GoASTCaseClause>(this)); - case eCommClause: - return v->VisitCommClause(llvm::cast<const GoASTCommClause>(this)); - case eDeclStmt: - return v->VisitDeclStmt(llvm::cast<const GoASTDeclStmt>(this)); - case eDeferStmt: - return v->VisitDeferStmt(llvm::cast<const GoASTDeferStmt>(this)); - case eEmptyStmt: - return v->VisitEmptyStmt(llvm::cast<const GoASTEmptyStmt>(this)); - case eExprStmt: - return v->VisitExprStmt(llvm::cast<const GoASTExprStmt>(this)); - case eForStmt: - return v->VisitForStmt(llvm::cast<const GoASTForStmt>(this)); - case eGoStmt: - return v->VisitGoStmt(llvm::cast<const GoASTGoStmt>(this)); - case eIfStmt: - return v->VisitIfStmt(llvm::cast<const GoASTIfStmt>(this)); - case eIncDecStmt: - return v->VisitIncDecStmt(llvm::cast<const GoASTIncDecStmt>(this)); - case eLabeledStmt: - return v->VisitLabeledStmt(llvm::cast<const GoASTLabeledStmt>(this)); - case eRangeStmt: - return v->VisitRangeStmt(llvm::cast<const GoASTRangeStmt>(this)); - case eReturnStmt: - return v->VisitReturnStmt(llvm::cast<const GoASTReturnStmt>(this)); - case eSelectStmt: - return v->VisitSelectStmt(llvm::cast<const GoASTSelectStmt>(this)); - case eSendStmt: - return v->VisitSendStmt(llvm::cast<const GoASTSendStmt>(this)); - case eSwitchStmt: - return v->VisitSwitchStmt(llvm::cast<const GoASTSwitchStmt>(this)); - case eTypeSwitchStmt: - return v->VisitTypeSwitchStmt(llvm::cast<const GoASTTypeSwitchStmt>(this)); - default: - assert(false && "Invalid kind"); - } -} - -template <typename V> void GoASTNode::WalkChildren(V &v) { - switch (m_kind) { - - case eArrayType: { - GoASTArrayType *n = llvm::cast<GoASTArrayType>(this); - (void)n; - v(n->m_len_up.get()); - v(n->m_elt_up.get()); - return; - } - case eAssignStmt: { - GoASTAssignStmt *n = llvm::cast<GoASTAssignStmt>(this); - (void)n; - for (auto &e : n->m_lhs) { - v(e.get()); - } - for (auto &e : n->m_rhs) { - v(e.get()); - } - return; - } - case eBasicLit: { - GoASTBasicLit *n = llvm::cast<GoASTBasicLit>(this); - (void)n; - return; - } - case eBinaryExpr: { - GoASTBinaryExpr *n = llvm::cast<GoASTBinaryExpr>(this); - (void)n; - v(n->m_x_up.get()); - v(n->m_y_up.get()); - return; - } - case eBlockStmt: { - GoASTBlockStmt *n = llvm::cast<GoASTBlockStmt>(this); - (void)n; - for (auto &e : n->m_list) { - v(e.get()); - } - return; - } - case eIdent: { - GoASTIdent *n = llvm::cast<GoASTIdent>(this); - (void)n; - return; - } - case eBranchStmt: { - GoASTBranchStmt *n = llvm::cast<GoASTBranchStmt>(this); - (void)n; - v(n->m_label_up.get()); - return; - } - case eCallExpr: { - GoASTCallExpr *n = llvm::cast<GoASTCallExpr>(this); - (void)n; - v(n->m_fun_up.get()); - for (auto &e : n->m_args) { - v(e.get()); - } - return; - } - case eCaseClause: { - GoASTCaseClause *n = llvm::cast<GoASTCaseClause>(this); - (void)n; - for (auto &e : n->m_list) { - v(e.get()); - } - for (auto &e : n->m_body) { - v(e.get()); - } - return; - } - case eChanType: { - GoASTChanType *n = llvm::cast<GoASTChanType>(this); - (void)n; - v(n->m_value_up.get()); - return; - } - case eCommClause: { - GoASTCommClause *n = llvm::cast<GoASTCommClause>(this); - (void)n; - v(n->m_comm_up.get()); - for (auto &e : n->m_body) { - v(e.get()); - } - return; - } - case eCompositeLit: { - GoASTCompositeLit *n = llvm::cast<GoASTCompositeLit>(this); - (void)n; - v(n->m_type_up.get()); - for (auto &e : n->m_elts) { - v(e.get()); - } - return; - } - case eDeclStmt: { - GoASTDeclStmt *n = llvm::cast<GoASTDeclStmt>(this); - (void)n; - v(n->m_decl_up.get()); - return; - } - case eDeferStmt: { - GoASTDeferStmt *n = llvm::cast<GoASTDeferStmt>(this); - (void)n; - v(n->m_call_up.get()); - return; - } - case eEllipsis: { - GoASTEllipsis *n = llvm::cast<GoASTEllipsis>(this); - (void)n; - v(n->m_elt_up.get()); - return; - } - case eExprStmt: { - GoASTExprStmt *n = llvm::cast<GoASTExprStmt>(this); - (void)n; - v(n->m_x_up.get()); - return; - } - case eField: { - GoASTField *n = llvm::cast<GoASTField>(this); - (void)n; - for (auto &e : n->m_names) { - v(e.get()); - } - v(n->m_type_up.get()); - v(n->m_tag_up.get()); - return; - } - case eFieldList: { - GoASTFieldList *n = llvm::cast<GoASTFieldList>(this); - (void)n; - for (auto &e : n->m_list) { - v(e.get()); - } - return; - } - case eForStmt: { - GoASTForStmt *n = llvm::cast<GoASTForStmt>(this); - (void)n; - v(n->m_init_up.get()); - v(n->m_cond_up.get()); - v(n->m_post_up.get()); - v(n->m_body_up.get()); - return; - } - case eFuncType: { - GoASTFuncType *n = llvm::cast<GoASTFuncType>(this); - (void)n; - v(n->m_params_up.get()); - v(n->m_results_up.get()); - return; - } - case eFuncDecl: { - GoASTFuncDecl *n = llvm::cast<GoASTFuncDecl>(this); - (void)n; - v(n->m_recv_up.get()); - v(n->m_name_up.get()); - v(n->m_type_up.get()); - v(n->m_body_up.get()); - return; - } - case eFuncLit: { - GoASTFuncLit *n = llvm::cast<GoASTFuncLit>(this); - (void)n; - v(n->m_type_up.get()); - v(n->m_body_up.get()); - return; - } - case eGenDecl: { - GoASTGenDecl *n = llvm::cast<GoASTGenDecl>(this); - (void)n; - for (auto &e : n->m_specs) { - v(e.get()); - } - return; - } - case eGoStmt: { - GoASTGoStmt *n = llvm::cast<GoASTGoStmt>(this); - (void)n; - v(n->m_call_up.get()); - return; - } - case eIfStmt: { - GoASTIfStmt *n = llvm::cast<GoASTIfStmt>(this); - (void)n; - v(n->m_init_up.get()); - v(n->m_cond_up.get()); - v(n->m_body_up.get()); - v(n->m_els_up.get()); - return; - } - case eImportSpec: { - GoASTImportSpec *n = llvm::cast<GoASTImportSpec>(this); - (void)n; - v(n->m_name_up.get()); - v(n->m_path_up.get()); - return; - } - case eIncDecStmt: { - GoASTIncDecStmt *n = llvm::cast<GoASTIncDecStmt>(this); - (void)n; - v(n->m_x_up.get()); - return; - } - case eIndexExpr: { - GoASTIndexExpr *n = llvm::cast<GoASTIndexExpr>(this); - (void)n; - v(n->m_x_up.get()); - v(n->m_index_up.get()); - return; - } - case eInterfaceType: { - GoASTInterfaceType *n = llvm::cast<GoASTInterfaceType>(this); - (void)n; - v(n->m_methods_up.get()); - return; - } - case eKeyValueExpr: { - GoASTKeyValueExpr *n = llvm::cast<GoASTKeyValueExpr>(this); - (void)n; - v(n->m_key_up.get()); - v(n->m_value_up.get()); - return; - } - case eLabeledStmt: { - GoASTLabeledStmt *n = llvm::cast<GoASTLabeledStmt>(this); - (void)n; - v(n->m_label_up.get()); - v(n->m_stmt_up.get()); - return; - } - case eMapType: { - GoASTMapType *n = llvm::cast<GoASTMapType>(this); - (void)n; - v(n->m_key_up.get()); - v(n->m_value_up.get()); - return; - } - case eParenExpr: { - GoASTParenExpr *n = llvm::cast<GoASTParenExpr>(this); - (void)n; - v(n->m_x_up.get()); - return; - } - case eRangeStmt: { - GoASTRangeStmt *n = llvm::cast<GoASTRangeStmt>(this); - (void)n; - v(n->m_key_up.get()); - v(n->m_value_up.get()); - v(n->m_x_up.get()); - v(n->m_body_up.get()); - return; - } - case eReturnStmt: { - GoASTReturnStmt *n = llvm::cast<GoASTReturnStmt>(this); - (void)n; - for (auto &e : n->m_results) { - v(e.get()); - } - return; - } - case eSelectStmt: { - GoASTSelectStmt *n = llvm::cast<GoASTSelectStmt>(this); - (void)n; - v(n->m_body_up.get()); - return; - } - case eSelectorExpr: { - GoASTSelectorExpr *n = llvm::cast<GoASTSelectorExpr>(this); - (void)n; - v(n->m_x_up.get()); - v(n->m_sel_up.get()); - return; - } - case eSendStmt: { - GoASTSendStmt *n = llvm::cast<GoASTSendStmt>(this); - (void)n; - v(n->m_chan_up.get()); - v(n->m_value_up.get()); - return; - } - case eSliceExpr: { - GoASTSliceExpr *n = llvm::cast<GoASTSliceExpr>(this); - (void)n; - v(n->m_x_up.get()); - v(n->m_low_up.get()); - v(n->m_high_up.get()); - v(n->m_max_up.get()); - return; - } - case eStarExpr: { - GoASTStarExpr *n = llvm::cast<GoASTStarExpr>(this); - (void)n; - v(n->m_x_up.get()); - return; - } - case eStructType: { - GoASTStructType *n = llvm::cast<GoASTStructType>(this); - (void)n; - v(n->m_fields_up.get()); - return; - } - case eSwitchStmt: { - GoASTSwitchStmt *n = llvm::cast<GoASTSwitchStmt>(this); - (void)n; - v(n->m_init_up.get()); - v(n->m_tag_up.get()); - v(n->m_body_up.get()); - return; - } - case eTypeAssertExpr: { - GoASTTypeAssertExpr *n = llvm::cast<GoASTTypeAssertExpr>(this); - (void)n; - v(n->m_x_up.get()); - v(n->m_type_up.get()); - return; - } - case eTypeSpec: { - GoASTTypeSpec *n = llvm::cast<GoASTTypeSpec>(this); - (void)n; - v(n->m_name_up.get()); - v(n->m_type_up.get()); - return; - } - case eTypeSwitchStmt: { - GoASTTypeSwitchStmt *n = llvm::cast<GoASTTypeSwitchStmt>(this); - (void)n; - v(n->m_init_up.get()); - v(n->m_assign_up.get()); - v(n->m_body_up.get()); - return; - } - case eUnaryExpr: { - GoASTUnaryExpr *n = llvm::cast<GoASTUnaryExpr>(this); - (void)n; - v(n->m_x_up.get()); - return; - } - case eValueSpec: { - GoASTValueSpec *n = llvm::cast<GoASTValueSpec>(this); - (void)n; - for (auto &e : n->m_names) { - v(e.get()); - } - v(n->m_type_up.get()); - for (auto &e : n->m_values) { - v(e.get()); - } - return; - } - - case eEmptyStmt: - case eBadDecl: - case eBadExpr: - case eBadStmt: - break; - } -} - -} // namespace lldb_private - -#endif diff --git a/source/Plugins/ExpressionParser/Go/GoLexer.cpp b/source/Plugins/ExpressionParser/Go/GoLexer.cpp deleted file mode 100644 index 63e267eaadc2..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoLexer.cpp +++ /dev/null @@ -1,350 +0,0 @@ -//===-- GoLexer.cpp ---------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <string.h> - -#include "GoLexer.h" - -using namespace lldb_private; - -llvm::StringMap<GoLexer::TokenType> *GoLexer::m_keywords; - -GoLexer::GoLexer(const char *src) - : m_src(src), m_end(src + strlen(src)), m_last_token(TOK_INVALID, "") {} - -bool GoLexer::SkipWhitespace() { - bool saw_newline = false; - for (; m_src < m_end; ++m_src) { - if (*m_src == '\n') - saw_newline = true; - if (*m_src == '/' && !SkipComment()) - return saw_newline; - else if (!IsWhitespace(*m_src)) - return saw_newline; - } - return saw_newline; -} - -bool GoLexer::SkipComment() { - if (m_src[0] == '/' && m_src[1] == '/') { - for (const char *c = m_src + 2; c < m_end; ++c) { - if (*c == '\n') { - m_src = c - 1; - return true; - } - } - return true; - } else if (m_src[0] == '/' && m_src[1] == '*') { - for (const char *c = m_src + 2; c < m_end; ++c) { - if (c[0] == '*' && c[1] == '/') { - m_src = c + 1; - return true; - } - } - } - return false; -} - -const GoLexer::Token &GoLexer::Lex() { - bool newline = SkipWhitespace(); - const char *start = m_src; - m_last_token.m_type = InternalLex(newline); - m_last_token.m_value = llvm::StringRef(start, m_src - start); - return m_last_token; -} - -GoLexer::TokenType GoLexer::InternalLex(bool newline) { - if (m_src >= m_end) { - return TOK_EOF; - } - if (newline) { - switch (m_last_token.m_type) { - case TOK_IDENTIFIER: - case LIT_FLOAT: - case LIT_IMAGINARY: - case LIT_INTEGER: - case LIT_RUNE: - case LIT_STRING: - case KEYWORD_BREAK: - case KEYWORD_CONTINUE: - case KEYWORD_FALLTHROUGH: - case KEYWORD_RETURN: - case OP_PLUS_PLUS: - case OP_MINUS_MINUS: - case OP_RPAREN: - case OP_RBRACK: - case OP_RBRACE: - return OP_SEMICOLON; - default: - break; - } - } - char c = *m_src; - switch (c) { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - return DoNumber(); - case '+': - case '-': - case '*': - case '/': - case '%': - case '&': - case '|': - case '^': - case '<': - case '>': - case '!': - case ':': - case ';': - case '(': - case ')': - case '[': - case ']': - case '{': - case '}': - case ',': - case '=': - return DoOperator(); - case '.': - if (IsDecimal(m_src[1])) - return DoNumber(); - return DoOperator(); - case '$': - // For lldb persistent vars. - return DoIdent(); - case '"': - case '`': - return DoString(); - case '\'': - return DoRune(); - default: - break; - } - if (IsLetterOrDigit(c)) - return DoIdent(); - ++m_src; - return TOK_INVALID; -} - -GoLexer::TokenType GoLexer::DoOperator() { - TokenType t = TOK_INVALID; - if (m_end - m_src > 2) { - t = LookupKeyword(llvm::StringRef(m_src, 3)); - if (t != TOK_INVALID) - m_src += 3; - } - if (t == TOK_INVALID && m_end - m_src > 1) { - t = LookupKeyword(llvm::StringRef(m_src, 2)); - if (t != TOK_INVALID) - m_src += 2; - } - if (t == TOK_INVALID) { - t = LookupKeyword(llvm::StringRef(m_src, 1)); - ++m_src; - } - return t; -} - -GoLexer::TokenType GoLexer::DoIdent() { - const char *start = m_src++; - while (m_src < m_end && IsLetterOrDigit(*m_src)) { - ++m_src; - } - TokenType kw = LookupKeyword(llvm::StringRef(start, m_src - start)); - if (kw != TOK_INVALID) - return kw; - return TOK_IDENTIFIER; -} - -GoLexer::TokenType GoLexer::DoNumber() { - if (m_src[0] == '0' && (m_src[1] == 'x' || m_src[1] == 'X')) { - m_src += 2; - while (IsHexChar(*m_src)) - ++m_src; - return LIT_INTEGER; - } - bool dot_ok = true; - bool e_ok = true; - while (true) { - while (IsDecimal(*m_src)) - ++m_src; - switch (*m_src) { - case 'i': - ++m_src; - return LIT_IMAGINARY; - case '.': - if (!dot_ok) - return LIT_FLOAT; - ++m_src; - dot_ok = false; - break; - case 'e': - case 'E': - if (!e_ok) - return LIT_FLOAT; - dot_ok = e_ok = false; - ++m_src; - if (*m_src == '+' || *m_src == '-') - ++m_src; - break; - default: - if (dot_ok) - return LIT_INTEGER; - return LIT_FLOAT; - } - } -} - -GoLexer::TokenType GoLexer::DoRune() { - while (++m_src < m_end) { - switch (*m_src) { - case '\'': - ++m_src; - return LIT_RUNE; - case '\n': - return TOK_INVALID; - case '\\': - if (m_src[1] == '\n') - return TOK_INVALID; - ++m_src; - } - } - return TOK_INVALID; -} - -GoLexer::TokenType GoLexer::DoString() { - if (*m_src == '`') { - while (++m_src < m_end) { - if (*m_src == '`') { - ++m_src; - return LIT_STRING; - } - } - return TOK_INVALID; - } - while (++m_src < m_end) { - switch (*m_src) { - case '"': - ++m_src; - return LIT_STRING; - case '\n': - return TOK_INVALID; - case '\\': - if (m_src[1] == '\n') - return TOK_INVALID; - ++m_src; - } - } - return TOK_INVALID; -} - -GoLexer::TokenType GoLexer::LookupKeyword(llvm::StringRef id) { - if (m_keywords == nullptr) - m_keywords = InitKeywords(); - const auto &it = m_keywords->find(id); - if (it == m_keywords->end()) - return TOK_INVALID; - return it->second; -} - -llvm::StringRef GoLexer::LookupToken(TokenType t) { - if (m_keywords == nullptr) - m_keywords = InitKeywords(); - for (const auto &e : *m_keywords) { - if (e.getValue() == t) - return e.getKey(); - } - return ""; -} - -llvm::StringMap<GoLexer::TokenType> *GoLexer::InitKeywords() { - auto &result = *new llvm::StringMap<TokenType>(128); - result["break"] = KEYWORD_BREAK; - result["default"] = KEYWORD_DEFAULT; - result["func"] = KEYWORD_FUNC; - result["interface"] = KEYWORD_INTERFACE; - result["select"] = KEYWORD_SELECT; - result["case"] = KEYWORD_CASE; - result["defer"] = KEYWORD_DEFER; - result["go"] = KEYWORD_GO; - result["map"] = KEYWORD_MAP; - result["struct"] = KEYWORD_STRUCT; - result["chan"] = KEYWORD_CHAN; - result["else"] = KEYWORD_ELSE; - result["goto"] = KEYWORD_GOTO; - result["package"] = KEYWORD_PACKAGE; - result["switch"] = KEYWORD_SWITCH; - result["const"] = KEYWORD_CONST; - result["fallthrough"] = KEYWORD_FALLTHROUGH; - result["if"] = KEYWORD_IF; - result["range"] = KEYWORD_RANGE; - result["type"] = KEYWORD_TYPE; - result["continue"] = KEYWORD_CONTINUE; - result["for"] = KEYWORD_FOR; - result["import"] = KEYWORD_IMPORT; - result["return"] = KEYWORD_RETURN; - result["var"] = KEYWORD_VAR; - result["+"] = OP_PLUS; - result["-"] = OP_MINUS; - result["*"] = OP_STAR; - result["/"] = OP_SLASH; - result["%"] = OP_PERCENT; - result["&"] = OP_AMP; - result["|"] = OP_PIPE; - result["^"] = OP_CARET; - result["<<"] = OP_LSHIFT; - result[">>"] = OP_RSHIFT; - result["&^"] = OP_AMP_CARET; - result["+="] = OP_PLUS_EQ; - result["-="] = OP_MINUS_EQ; - result["*="] = OP_STAR_EQ; - result["/="] = OP_SLASH_EQ; - result["%="] = OP_PERCENT_EQ; - result["&="] = OP_AMP_EQ; - result["|="] = OP_PIPE_EQ; - result["^="] = OP_CARET_EQ; - result["<<="] = OP_LSHIFT_EQ; - result[">>="] = OP_RSHIFT_EQ; - result["&^="] = OP_AMP_CARET_EQ; - result["&&"] = OP_AMP_AMP; - result["||"] = OP_PIPE_PIPE; - result["<-"] = OP_LT_MINUS; - result["++"] = OP_PLUS_PLUS; - result["--"] = OP_MINUS_MINUS; - result["=="] = OP_EQ_EQ; - result["<"] = OP_LT; - result[">"] = OP_GT; - result["="] = OP_EQ; - result["!"] = OP_BANG; - result["!="] = OP_BANG_EQ; - result["<="] = OP_LT_EQ; - result[">="] = OP_GT_EQ; - result[":="] = OP_COLON_EQ; - result["..."] = OP_DOTS; - result["("] = OP_LPAREN; - result["["] = OP_LBRACK; - result["{"] = OP_LBRACE; - result[","] = OP_COMMA; - result["."] = OP_DOT; - result[")"] = OP_RPAREN; - result["]"] = OP_RBRACK; - result["}"] = OP_RBRACE; - result[";"] = OP_SEMICOLON; - result[":"] = OP_COLON; - return &result; -} diff --git a/source/Plugins/ExpressionParser/Go/GoLexer.h b/source/Plugins/ExpressionParser/Go/GoLexer.h deleted file mode 100644 index f0b5b336fbe9..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoLexer.h +++ /dev/null @@ -1,181 +0,0 @@ -//===-- GoLexer.h -----------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef liblldb_GoLexer_h -#define liblldb_GoLexer_h - -#include "llvm/ADT/StringMap.h" -#include "llvm/ADT/StringRef.h" - -namespace lldb_private { - -class GoLexer { -public: - explicit GoLexer(const char *src); - - enum TokenType { - TOK_EOF, - TOK_INVALID, - TOK_IDENTIFIER, - LIT_INTEGER, - LIT_FLOAT, - LIT_IMAGINARY, - LIT_RUNE, - LIT_STRING, - KEYWORD_BREAK, - KEYWORD_DEFAULT, - KEYWORD_FUNC, - KEYWORD_INTERFACE, - KEYWORD_SELECT, - KEYWORD_CASE, - KEYWORD_DEFER, - KEYWORD_GO, - KEYWORD_MAP, - KEYWORD_STRUCT, - KEYWORD_CHAN, - KEYWORD_ELSE, - KEYWORD_GOTO, - KEYWORD_PACKAGE, - KEYWORD_SWITCH, - KEYWORD_CONST, - KEYWORD_FALLTHROUGH, - KEYWORD_IF, - KEYWORD_RANGE, - KEYWORD_TYPE, - KEYWORD_CONTINUE, - KEYWORD_FOR, - KEYWORD_IMPORT, - KEYWORD_RETURN, - KEYWORD_VAR, - OP_PLUS, - OP_MINUS, - OP_STAR, - OP_SLASH, - OP_PERCENT, - OP_AMP, - OP_PIPE, - OP_CARET, - OP_LSHIFT, - OP_RSHIFT, - OP_AMP_CARET, - OP_PLUS_EQ, - OP_MINUS_EQ, - OP_STAR_EQ, - OP_SLASH_EQ, - OP_PERCENT_EQ, - OP_AMP_EQ, - OP_PIPE_EQ, - OP_CARET_EQ, - OP_LSHIFT_EQ, - OP_RSHIFT_EQ, - OP_AMP_CARET_EQ, - OP_AMP_AMP, - OP_PIPE_PIPE, - OP_LT_MINUS, - OP_PLUS_PLUS, - OP_MINUS_MINUS, - OP_EQ_EQ, - OP_LT, - OP_GT, - OP_EQ, - OP_BANG, - OP_BANG_EQ, - OP_LT_EQ, - OP_GT_EQ, - OP_COLON_EQ, - OP_DOTS, - OP_LPAREN, - OP_LBRACK, - OP_LBRACE, - OP_COMMA, - OP_DOT, - OP_RPAREN, - OP_RBRACK, - OP_RBRACE, - OP_SEMICOLON, - OP_COLON, - }; - - struct Token { - explicit Token(TokenType t, llvm::StringRef text) - : m_type(t), m_value(text) {} - TokenType m_type; - llvm::StringRef m_value; - }; - - const Token &Lex(); - - size_t BytesRemaining() const { return m_end - m_src; } - llvm::StringRef GetString(int len) const { - return llvm::StringRef(m_src, len); - } - - static TokenType LookupKeyword(llvm::StringRef id); - static llvm::StringRef LookupToken(TokenType t); - -private: - bool IsDecimal(char c) { return c >= '0' && c <= '9'; } - bool IsHexChar(char c) { - if (c >= '0' && c <= '9') - return true; - if (c >= 'A' && c <= 'F') - return true; - if (c >= 'a' && c <= 'f') - return true; - return false; - } - bool IsLetterOrDigit(char c) { - if (c >= 'a' && c <= 'z') - return true; - if (c >= 'A' && c <= 'Z') - return true; - if (c == '_') - return true; - if (c >= '0' && c <= '9') - return true; - // Treat all non-ascii chars as letters for simplicity. - return 0 != (c & 0x80); - } - bool IsWhitespace(char c) { - switch (c) { - case ' ': - case '\t': - case '\r': - return true; - } - return false; - } - - bool SkipWhitespace(); - bool SkipComment(); - - TokenType InternalLex(bool newline); - - TokenType DoOperator(); - - TokenType DoIdent(); - - TokenType DoNumber(); - - TokenType DoRune(); - - TokenType DoString(); - - static llvm::StringMap<TokenType> *InitKeywords(); - - static llvm::StringMap<TokenType> *m_keywords; - - const char *m_src; - const char *m_end; - Token m_last_token; -}; - -} // namespace lldb_private - -#endif diff --git a/source/Plugins/ExpressionParser/Go/GoParser.cpp b/source/Plugins/ExpressionParser/Go/GoParser.cpp deleted file mode 100644 index 9c845d02bca0..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoParser.cpp +++ /dev/null @@ -1,886 +0,0 @@ -//===-- GoParser.cpp ---------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <vector> - -#include "GoParser.h" - -#include "Plugins/ExpressionParser/Go/GoAST.h" -#include "lldb/Utility/Status.h" -#include "llvm/ADT/SmallString.h" - -using namespace lldb_private; -using namespace lldb; - -namespace { -llvm::StringRef DescribeToken(GoLexer::TokenType t) { - switch (t) { - case GoLexer::TOK_EOF: - return "<eof>"; - case GoLexer::TOK_IDENTIFIER: - return "identifier"; - case GoLexer::LIT_FLOAT: - return "float"; - case GoLexer::LIT_IMAGINARY: - return "imaginary"; - case GoLexer::LIT_INTEGER: - return "integer"; - case GoLexer::LIT_RUNE: - return "rune"; - case GoLexer::LIT_STRING: - return "string"; - default: - return GoLexer::LookupToken(t); - } -} -} // namespace - -class GoParser::Rule { -public: - Rule(llvm::StringRef name, GoParser *p) - : m_name(name), m_parser(p), m_pos(p->m_pos) {} - - std::nullptr_t error() { - if (!m_parser->m_failed) { - // Set m_error in case this is the top level. - if (m_parser->m_last_tok == GoLexer::TOK_INVALID) - m_parser->m_error = m_parser->m_last; - else - m_parser->m_error = DescribeToken(m_parser->m_last_tok); - // And set m_last in case it isn't. - m_parser->m_last = m_name; - m_parser->m_last_tok = GoLexer::TOK_INVALID; - m_parser->m_pos = m_pos; - } - return nullptr; - } - -private: - llvm::StringRef m_name; - GoParser *m_parser; - size_t m_pos; -}; - -GoParser::GoParser(const char *src) - : m_lexer(src), m_pos(0), m_last_tok(GoLexer::TOK_INVALID), - m_failed(false) {} - -GoASTStmt *GoParser::Statement() { - Rule r("Statement", this); - GoLexer::TokenType t = peek(); - GoASTStmt *ret = nullptr; - switch (t) { - case GoLexer::TOK_EOF: - case GoLexer::OP_SEMICOLON: - case GoLexer::OP_RPAREN: - case GoLexer::OP_RBRACE: - case GoLexer::TOK_INVALID: - return EmptyStmt(); - case GoLexer::OP_LBRACE: - return Block(); - - /* TODO: -case GoLexer::KEYWORD_GO: - return GoStmt(); -case GoLexer::KEYWORD_RETURN: - return ReturnStmt(); -case GoLexer::KEYWORD_BREAK: -case GoLexer::KEYWORD_CONTINUE: -case GoLexer::KEYWORD_GOTO: -case GoLexer::KEYWORD_FALLTHROUGH: - return BranchStmt(); -case GoLexer::KEYWORD_IF: - return IfStmt(); -case GoLexer::KEYWORD_SWITCH: - return SwitchStmt(); -case GoLexer::KEYWORD_SELECT: - return SelectStmt(); -case GoLexer::KEYWORD_FOR: - return ForStmt(); -case GoLexer::KEYWORD_DEFER: - return DeferStmt(); -case GoLexer::KEYWORD_CONST: -case GoLexer::KEYWORD_TYPE: -case GoLexer::KEYWORD_VAR: - return DeclStmt(); -case GoLexer::TOK_IDENTIFIER: - if ((ret = LabeledStmt()) || - (ret = ShortVarDecl())) - { - return ret; - } -*/ - default: - break; - } - GoASTExpr *expr = Expression(); - if (expr == nullptr) - return r.error(); - if (/*(ret = SendStmt(expr)) ||*/ - (ret = IncDecStmt(expr)) || (ret = Assignment(expr)) || - (ret = ExpressionStmt(expr))) { - return ret; - } - delete expr; - return r.error(); -} - -GoASTStmt *GoParser::ExpressionStmt(GoASTExpr *e) { - if (Semicolon()) - return new GoASTExprStmt(e); - return nullptr; -} - -GoASTStmt *GoParser::IncDecStmt(GoASTExpr *e) { - Rule r("IncDecStmt", this); - if (match(GoLexer::OP_PLUS_PLUS)) - return Semicolon() ? new GoASTIncDecStmt(e, GoLexer::OP_PLUS_PLUS) - : r.error(); - if (match(GoLexer::OP_MINUS_MINUS)) - return Semicolon() ? new GoASTIncDecStmt(e, GoLexer::OP_MINUS_MINUS) - : r.error(); - return nullptr; -} - -GoASTStmt *GoParser::Assignment(lldb_private::GoASTExpr *e) { - Rule r("Assignment", this); - std::vector<std::unique_ptr<GoASTExpr>> lhs; - for (GoASTExpr *l = MoreExpressionList(); l; l = MoreExpressionList()) - lhs.push_back(std::unique_ptr<GoASTExpr>(l)); - switch (peek()) { - case GoLexer::OP_EQ: - case GoLexer::OP_PLUS_EQ: - case GoLexer::OP_MINUS_EQ: - case GoLexer::OP_PIPE_EQ: - case GoLexer::OP_CARET_EQ: - case GoLexer::OP_STAR_EQ: - case GoLexer::OP_SLASH_EQ: - case GoLexer::OP_PERCENT_EQ: - case GoLexer::OP_LSHIFT_EQ: - case GoLexer::OP_RSHIFT_EQ: - case GoLexer::OP_AMP_EQ: - case GoLexer::OP_AMP_CARET_EQ: - break; - default: - return r.error(); - } - // We don't want to own e until we know this is an assignment. - std::unique_ptr<GoASTAssignStmt> stmt(new GoASTAssignStmt(false)); - stmt->AddLhs(e); - for (auto &l : lhs) - stmt->AddLhs(l.release()); - for (GoASTExpr *r = Expression(); r; r = MoreExpressionList()) - stmt->AddRhs(r); - if (!Semicolon() || stmt->NumRhs() == 0) - return new GoASTBadStmt; - return stmt.release(); -} - -GoASTStmt *GoParser::EmptyStmt() { - if (match(GoLexer::TOK_EOF)) - return nullptr; - if (Semicolon()) - return new GoASTEmptyStmt; - return nullptr; -} - -GoASTStmt *GoParser::GoStmt() { - if (match(GoLexer::KEYWORD_GO)) { - if (GoASTCallExpr *e = - llvm::dyn_cast_or_null<GoASTCallExpr>(Expression())) { - return FinishStmt(new GoASTGoStmt(e)); - } - m_last = "call expression"; - m_failed = true; - return new GoASTBadStmt(); - } - return nullptr; -} - -GoASTStmt *GoParser::ReturnStmt() { - if (match(GoLexer::KEYWORD_RETURN)) { - std::unique_ptr<GoASTReturnStmt> r(new GoASTReturnStmt()); - for (GoASTExpr *e = Expression(); e; e = MoreExpressionList()) - r->AddResults(e); - return FinishStmt(r.release()); - } - return nullptr; -} - -GoASTStmt *GoParser::BranchStmt() { - GoLexer::Token *tok; - if ((tok = match(GoLexer::KEYWORD_BREAK)) || - (tok = match(GoLexer::KEYWORD_CONTINUE)) || - (tok = match(GoLexer::KEYWORD_GOTO))) { - auto *e = Identifier(); - if (tok->m_type == GoLexer::KEYWORD_GOTO && !e) - return syntaxerror(); - return FinishStmt(new GoASTBranchStmt(e, tok->m_type)); - } - if ((tok = match(GoLexer::KEYWORD_FALLTHROUGH))) - return FinishStmt(new GoASTBranchStmt(nullptr, tok->m_type)); - - return nullptr; -} - -GoASTIdent *GoParser::Identifier() { - if (auto *tok = match(GoLexer::TOK_IDENTIFIER)) - return new GoASTIdent(*tok); - return nullptr; -} - -GoASTExpr *GoParser::MoreExpressionList() { - if (match(GoLexer::OP_COMMA)) { - auto *e = Expression(); - if (!e) - return syntaxerror(); - return e; - } - return nullptr; -} - -GoASTIdent *GoParser::MoreIdentifierList() { - if (match(GoLexer::OP_COMMA)) { - auto *i = Identifier(); - if (!i) - return syntaxerror(); - return i; - } - return nullptr; -} - -GoASTExpr *GoParser::Expression() { - Rule r("Expression", this); - if (GoASTExpr *ret = OrExpr()) - return ret; - return r.error(); -} - -GoASTExpr *GoParser::UnaryExpr() { - switch (peek()) { - case GoLexer::OP_PLUS: - case GoLexer::OP_MINUS: - case GoLexer::OP_BANG: - case GoLexer::OP_CARET: - case GoLexer::OP_STAR: - case GoLexer::OP_AMP: - case GoLexer::OP_LT_MINUS: { - const GoLexer::Token t = next(); - if (GoASTExpr *e = UnaryExpr()) { - if (t.m_type == GoLexer::OP_STAR) - return new GoASTStarExpr(e); - else - return new GoASTUnaryExpr(t.m_type, e); - } - return syntaxerror(); - } - default: - return PrimaryExpr(); - } -} - -GoASTExpr *GoParser::OrExpr() { - std::unique_ptr<GoASTExpr> l(AndExpr()); - if (l) { - while (match(GoLexer::OP_PIPE_PIPE)) { - GoASTExpr *r = AndExpr(); - if (r) - l.reset(new GoASTBinaryExpr(l.release(), r, GoLexer::OP_PIPE_PIPE)); - else - return syntaxerror(); - } - return l.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::AndExpr() { - std::unique_ptr<GoASTExpr> l(RelExpr()); - if (l) { - while (match(GoLexer::OP_AMP_AMP)) { - GoASTExpr *r = RelExpr(); - if (r) - l.reset(new GoASTBinaryExpr(l.release(), r, GoLexer::OP_AMP_AMP)); - else - return syntaxerror(); - } - return l.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::RelExpr() { - std::unique_ptr<GoASTExpr> l(AddExpr()); - if (l) { - for (GoLexer::Token *t; - (t = match(GoLexer::OP_EQ_EQ)) || (t = match(GoLexer::OP_BANG_EQ)) || - (t = match(GoLexer::OP_LT)) || (t = match(GoLexer::OP_LT_EQ)) || - (t = match(GoLexer::OP_GT)) || (t = match(GoLexer::OP_GT_EQ));) { - GoLexer::TokenType op = t->m_type; - GoASTExpr *r = AddExpr(); - if (r) - l.reset(new GoASTBinaryExpr(l.release(), r, op)); - else - return syntaxerror(); - } - return l.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::AddExpr() { - std::unique_ptr<GoASTExpr> l(MulExpr()); - if (l) { - for (GoLexer::Token *t; - (t = match(GoLexer::OP_PLUS)) || (t = match(GoLexer::OP_MINUS)) || - (t = match(GoLexer::OP_PIPE)) || (t = match(GoLexer::OP_CARET));) { - GoLexer::TokenType op = t->m_type; - GoASTExpr *r = MulExpr(); - if (r) - l.reset(new GoASTBinaryExpr(l.release(), r, op)); - else - return syntaxerror(); - } - return l.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::MulExpr() { - std::unique_ptr<GoASTExpr> l(UnaryExpr()); - if (l) { - for (GoLexer::Token *t; - (t = match(GoLexer::OP_STAR)) || (t = match(GoLexer::OP_SLASH)) || - (t = match(GoLexer::OP_PERCENT)) || (t = match(GoLexer::OP_LSHIFT)) || - (t = match(GoLexer::OP_RSHIFT)) || (t = match(GoLexer::OP_AMP)) || - (t = match(GoLexer::OP_AMP_CARET));) { - GoLexer::TokenType op = t->m_type; - GoASTExpr *r = UnaryExpr(); - if (r) - l.reset(new GoASTBinaryExpr(l.release(), r, op)); - else - return syntaxerror(); - } - return l.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::PrimaryExpr() { - GoASTExpr *l; - GoASTExpr *r; - (l = Conversion()) || (l = Operand()); - if (!l) - return nullptr; - while ((r = Selector(l)) || (r = IndexOrSlice(l)) || (r = TypeAssertion(l)) || - (r = Arguments(l))) { - l = r; - } - return l; -} - -GoASTExpr *GoParser::Operand() { - GoLexer::Token *lit; - if ((lit = match(GoLexer::LIT_INTEGER)) || - (lit = match(GoLexer::LIT_FLOAT)) || - (lit = match(GoLexer::LIT_IMAGINARY)) || - (lit = match(GoLexer::LIT_RUNE)) || (lit = match(GoLexer::LIT_STRING))) - return new GoASTBasicLit(*lit); - if (match(GoLexer::OP_LPAREN)) { - GoASTExpr *e; - if (!((e = Expression()) && match(GoLexer::OP_RPAREN))) - return syntaxerror(); - return e; - } - // MethodExpr should be handled by Selector - if (GoASTExpr *e = CompositeLit()) - return e; - if (GoASTExpr *n = Name()) - return n; - return FunctionLit(); -} - -GoASTExpr *GoParser::FunctionLit() { - if (!match(GoLexer::KEYWORD_FUNC)) - return nullptr; - auto *sig = Signature(); - if (!sig) - return syntaxerror(); - auto *body = Block(); - if (!body) { - delete sig; - return syntaxerror(); - } - return new GoASTFuncLit(sig, body); -} - -GoASTBlockStmt *GoParser::Block() { - if (!match(GoLexer::OP_LBRACE)) - return nullptr; - std::unique_ptr<GoASTBlockStmt> block(new GoASTBlockStmt); - for (auto *s = Statement(); s; s = Statement()) - block->AddList(s); - if (!match(GoLexer::OP_RBRACE)) - return syntaxerror(); - return block.release(); -} - -GoASTExpr *GoParser::CompositeLit() { - Rule r("CompositeLit", this); - GoASTExpr *type; - (type = StructType()) || (type = ArrayOrSliceType(true)) || - (type = MapType()) || (type = Name()); - if (!type) - return r.error(); - GoASTCompositeLit *lit = LiteralValue(); - if (!lit) { - delete type; - return r.error(); - } - lit->SetType(type); - return lit; -} - -GoASTCompositeLit *GoParser::LiteralValue() { - if (!match(GoLexer::OP_LBRACE)) - return nullptr; - std::unique_ptr<GoASTCompositeLit> lit(new GoASTCompositeLit); - for (GoASTExpr *e = Element(); e; e = Element()) { - lit->AddElts(e); - if (!match(GoLexer::OP_COMMA)) - break; - } - if (!mustMatch(GoLexer::OP_RBRACE)) - return nullptr; - return lit.release(); -} - -GoASTExpr *GoParser::Element() { - GoASTExpr *key; - if (!((key = Expression()) || (key = LiteralValue()))) - return nullptr; - if (!match(GoLexer::OP_COLON)) - return key; - GoASTExpr *value; - if ((value = Expression()) || (value = LiteralValue())) - return new GoASTKeyValueExpr(key, value); - delete key; - return syntaxerror(); -} - -GoASTExpr *GoParser::Selector(GoASTExpr *e) { - Rule r("Selector", this); - if (match(GoLexer::OP_DOT)) { - if (auto *name = Identifier()) - return new GoASTSelectorExpr(e, name); - } - return r.error(); -} - -GoASTExpr *GoParser::IndexOrSlice(GoASTExpr *e) { - Rule r("IndexOrSlice", this); - if (match(GoLexer::OP_LBRACK)) { - std::unique_ptr<GoASTExpr> i1(Expression()), i2, i3; - bool slice = false; - if (match(GoLexer::OP_COLON)) { - slice = true; - i2.reset(Expression()); - if (i2 && match(GoLexer::OP_COLON)) { - i3.reset(Expression()); - if (!i3) - return syntaxerror(); - } - } - if (!(slice || i1)) - return syntaxerror(); - if (!mustMatch(GoLexer::OP_RBRACK)) - return nullptr; - if (slice) { - bool slice3 = i3.get(); - return new GoASTSliceExpr(e, i1.release(), i2.release(), i3.release(), - slice3); - } - return new GoASTIndexExpr(e, i1.release()); - } - return r.error(); -} - -GoASTExpr *GoParser::TypeAssertion(GoASTExpr *e) { - Rule r("TypeAssertion", this); - if (match(GoLexer::OP_DOT) && match(GoLexer::OP_LPAREN)) { - if (auto *t = Type()) { - if (!mustMatch(GoLexer::OP_RPAREN)) - return nullptr; - return new GoASTTypeAssertExpr(e, t); - } - return syntaxerror(); - } - return r.error(); -} - -GoASTExpr *GoParser::Arguments(GoASTExpr *e) { - if (match(GoLexer::OP_LPAREN)) { - std::unique_ptr<GoASTCallExpr> call(new GoASTCallExpr(false)); - GoASTExpr *arg; - // ( ExpressionList | Type [ "," ExpressionList ] ) - for ((arg = Expression()) || (arg = Type()); arg; - arg = MoreExpressionList()) { - call->AddArgs(arg); - } - if (match(GoLexer::OP_DOTS)) - call->SetEllipsis(true); - - // Eat trailing comma - match(GoLexer::OP_COMMA); - - if (!mustMatch(GoLexer::OP_RPAREN)) - return nullptr; - call->SetFun(e); - return call.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::Conversion() { - Rule r("Conversion", this); - if (GoASTExpr *t = Type2()) { - std::unique_ptr<GoASTExpr> owner(t); - if (match(GoLexer::OP_LPAREN)) { - GoASTExpr *v = Expression(); - if (!v) - return syntaxerror(); - match(GoLexer::OP_COMMA); - if (!mustMatch(GoLexer::OP_RPAREN)) - return r.error(); - GoASTCallExpr *call = new GoASTCallExpr(false); - call->SetFun(t); - owner.release(); - call->AddArgs(v); - return call; - } - } - return r.error(); -} - -GoASTExpr *GoParser::Type2() { - switch (peek()) { - case GoLexer::OP_LBRACK: - return ArrayOrSliceType(false); - case GoLexer::KEYWORD_STRUCT: - return StructType(); - case GoLexer::KEYWORD_FUNC: - return FunctionType(); - case GoLexer::KEYWORD_INTERFACE: - return InterfaceType(); - case GoLexer::KEYWORD_MAP: - return MapType(); - case GoLexer::KEYWORD_CHAN: - return ChanType2(); - default: - return nullptr; - } -} - -GoASTExpr *GoParser::ArrayOrSliceType(bool allowEllipsis) { - Rule r("ArrayType", this); - if (match(GoLexer::OP_LBRACK)) { - std::unique_ptr<GoASTExpr> len; - if (allowEllipsis && match(GoLexer::OP_DOTS)) { - len.reset(new GoASTEllipsis(nullptr)); - } else { - len.reset(Expression()); - } - - if (!match(GoLexer::OP_RBRACK)) - return r.error(); - GoASTExpr *elem = Type(); - if (!elem) - return syntaxerror(); - return new GoASTArrayType(len.release(), elem); - } - return r.error(); -} - -GoASTExpr *GoParser::StructType() { - if (!(match(GoLexer::KEYWORD_STRUCT) && mustMatch(GoLexer::OP_LBRACE))) - return nullptr; - std::unique_ptr<GoASTFieldList> fields(new GoASTFieldList); - while (auto *field = FieldDecl()) - fields->AddList(field); - if (!mustMatch(GoLexer::OP_RBRACE)) - return nullptr; - return new GoASTStructType(fields.release()); -} - -GoASTField *GoParser::FieldDecl() { - std::unique_ptr<GoASTField> f(new GoASTField); - GoASTExpr *t = FieldNamesAndType(f.get()); - if (!t) - t = AnonymousFieldType(); - if (!t) - return nullptr; - - if (auto *tok = match(GoLexer::LIT_STRING)) - f->SetTag(new GoASTBasicLit(*tok)); - if (!Semicolon()) - return syntaxerror(); - return f.release(); -} - -GoASTExpr *GoParser::FieldNamesAndType(GoASTField *field) { - Rule r("FieldNames", this); - for (auto *id = Identifier(); id; id = MoreIdentifierList()) - field->AddNames(id); - if (m_failed) - return nullptr; - GoASTExpr *t = Type(); - if (t) - return t; - return r.error(); -} - -GoASTExpr *GoParser::AnonymousFieldType() { - bool pointer = match(GoLexer::OP_STAR); - GoASTExpr *t = Type(); - if (!t) - return nullptr; - if (pointer) - return new GoASTStarExpr(t); - return t; -} - -GoASTExpr *GoParser::FunctionType() { - if (!match(GoLexer::KEYWORD_FUNC)) - return nullptr; - return Signature(); -} - -GoASTFuncType *GoParser::Signature() { - auto *params = Params(); - if (!params) - return syntaxerror(); - auto *result = Params(); - if (!result) { - if (auto *t = Type()) { - result = new GoASTFieldList; - auto *f = new GoASTField; - f->SetType(t); - result->AddList(f); - } - } - return new GoASTFuncType(params, result); -} - -GoASTFieldList *GoParser::Params() { - if (!match(GoLexer::OP_LPAREN)) - return nullptr; - std::unique_ptr<GoASTFieldList> l(new GoASTFieldList); - while (GoASTField *p = ParamDecl()) { - l->AddList(p); - if (!match(GoLexer::OP_COMMA)) - break; - } - if (!mustMatch(GoLexer::OP_RPAREN)) - return nullptr; - return l.release(); -} - -GoASTField *GoParser::ParamDecl() { - std::unique_ptr<GoASTField> field(new GoASTField); - GoASTIdent *id = Identifier(); - if (id) { - // Try `IdentifierList [ "..." ] Type`. - // If that fails, backtrack and try `[ "..." ] Type`. - Rule r("NamedParam", this); - for (; id; id = MoreIdentifierList()) - field->AddNames(id); - GoASTExpr *t = ParamType(); - if (t) { - field->SetType(t); - return field.release(); - } - field.reset(new GoASTField); - r.error(); - } - GoASTExpr *t = ParamType(); - if (t) { - field->SetType(t); - return field.release(); - } - return nullptr; -} - -GoASTExpr *GoParser::ParamType() { - bool dots = match(GoLexer::OP_DOTS); - GoASTExpr *t = Type(); - if (!dots) - return t; - if (!t) - return syntaxerror(); - return new GoASTEllipsis(t); -} - -GoASTExpr *GoParser::InterfaceType() { - if (!match(GoLexer::KEYWORD_INTERFACE) || !mustMatch(GoLexer::OP_LBRACE)) - return nullptr; - std::unique_ptr<GoASTFieldList> methods(new GoASTFieldList); - while (true) { - Rule r("MethodSpec", this); - // ( identifier Signature | TypeName ) ; - std::unique_ptr<GoASTIdent> id(Identifier()); - if (!id) - break; - GoASTExpr *type = Signature(); - if (!type) { - r.error(); - id.reset(); - type = Name(); - } - if (!Semicolon()) - return syntaxerror(); - auto *f = new GoASTField; - if (id) - f->AddNames(id.release()); - f->SetType(type); - methods->AddList(f); - } - if (!mustMatch(GoLexer::OP_RBRACE)) - return nullptr; - return new GoASTInterfaceType(methods.release()); -} - -GoASTExpr *GoParser::MapType() { - if (!(match(GoLexer::KEYWORD_MAP) && mustMatch(GoLexer::OP_LBRACK))) - return nullptr; - std::unique_ptr<GoASTExpr> key(Type()); - if (!key) - return syntaxerror(); - if (!mustMatch(GoLexer::OP_RBRACK)) - return nullptr; - auto *elem = Type(); - if (!elem) - return syntaxerror(); - return new GoASTMapType(key.release(), elem); -} - -GoASTExpr *GoParser::ChanType() { - Rule r("chan", this); - if (match(GoLexer::OP_LT_MINUS)) { - if (match(GoLexer::KEYWORD_CHAN)) { - auto *elem = Type(); - if (!elem) - return syntaxerror(); - return new GoASTChanType(GoASTNode::eChanRecv, elem); - } - return r.error(); - } - return ChanType2(); -} - -GoASTExpr *GoParser::ChanType2() { - if (!match(GoLexer::KEYWORD_CHAN)) - return nullptr; - auto dir = GoASTNode::eChanBidir; - if (match(GoLexer::OP_LT_MINUS)) - dir = GoASTNode::eChanSend; - auto *elem = Type(); - if (!elem) - return syntaxerror(); - return new GoASTChanType(dir, elem); -} - -GoASTExpr *GoParser::Type() { - if (GoASTExpr *t = Type2()) - return t; - if (GoASTExpr *t = Name()) - return t; - if (GoASTExpr *t = ChanType()) - return t; - if (match(GoLexer::OP_STAR)) { - GoASTExpr *t = Type(); - if (!t) - return syntaxerror(); - return new GoASTStarExpr(t); - } - if (match(GoLexer::OP_LPAREN)) { - std::unique_ptr<GoASTExpr> t(Type()); - if (!t || !match(GoLexer::OP_RPAREN)) - return syntaxerror(); - return t.release(); - } - return nullptr; -} - -bool GoParser::Semicolon() { - if (match(GoLexer::OP_SEMICOLON)) - return true; - switch (peek()) { - case GoLexer::OP_RPAREN: - case GoLexer::OP_RBRACE: - case GoLexer::TOK_EOF: - return true; - default: - return false; - } -} - -GoASTExpr *GoParser::Name() { - if (auto *id = Identifier()) { - if (GoASTExpr *qual = QualifiedIdent(id)) - return qual; - return id; - } - return nullptr; -} - -GoASTExpr *GoParser::QualifiedIdent(lldb_private::GoASTIdent *p) { - Rule r("QualifiedIdent", this); - llvm::SmallString<32> path(p->GetName().m_value); - GoLexer::Token *next; - bool have_slashes = false; - // LLDB extension: support full/package/path.name - while (match(GoLexer::OP_SLASH) && (next = match(GoLexer::TOK_IDENTIFIER))) { - have_slashes = true; - path.append("/"); - path.append(next->m_value); - } - if (match(GoLexer::OP_DOT)) { - auto *name = Identifier(); - if (name) { - if (have_slashes) { - p->SetName(GoLexer::Token(GoLexer::TOK_IDENTIFIER, CopyString(path))); - } - return new GoASTSelectorExpr(p, name); - } - } - return r.error(); -} - -llvm::StringRef GoParser::CopyString(llvm::StringRef s) { - return m_strings.insert(std::make_pair(s, 'x')).first->getKey(); -} - -void GoParser::GetError(Status &error) { - llvm::StringRef want; - if (m_failed) - want = - m_last_tok == GoLexer::TOK_INVALID ? DescribeToken(m_last_tok) : m_last; - else - want = m_error; - size_t len = m_lexer.BytesRemaining(); - if (len > 10) - len = 10; - llvm::StringRef got; - if (len == 0) - got = "<eof>"; - else - got = m_lexer.GetString(len); - error.SetErrorStringWithFormat("Syntax error: expected %s before '%s'.", - want.str().c_str(), got.str().c_str()); -} diff --git a/source/Plugins/ExpressionParser/Go/GoParser.h b/source/Plugins/ExpressionParser/Go/GoParser.h deleted file mode 100644 index 9ed2ae2033bd..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoParser.h +++ /dev/null @@ -1,145 +0,0 @@ -//===-- GoParser.h -----------------------------------------------*- C++ -//-*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef liblldb_GoParser_h -#define liblldb_GoParser_h - -#include "Plugins/ExpressionParser/Go/GoAST.h" -#include "Plugins/ExpressionParser/Go/GoLexer.h" -#include "lldb/lldb-private.h" - -namespace lldb_private { -class GoParser { -public: - explicit GoParser(const char *src); - - GoASTStmt *Statement(); - - GoASTStmt *GoStmt(); - GoASTStmt *ReturnStmt(); - GoASTStmt *BranchStmt(); - GoASTStmt *EmptyStmt(); - GoASTStmt *ExpressionStmt(GoASTExpr *e); - GoASTStmt *IncDecStmt(GoASTExpr *e); - GoASTStmt *Assignment(GoASTExpr *e); - GoASTBlockStmt *Block(); - - GoASTExpr *MoreExpressionList(); // ["," Expression] - GoASTIdent *MoreIdentifierList(); // ["," Identifier] - - GoASTExpr *Expression(); - GoASTExpr *UnaryExpr(); - GoASTExpr *OrExpr(); - GoASTExpr *AndExpr(); - GoASTExpr *RelExpr(); - GoASTExpr *AddExpr(); - GoASTExpr *MulExpr(); - GoASTExpr *PrimaryExpr(); - GoASTExpr *Operand(); - GoASTExpr *Conversion(); - - GoASTExpr *Selector(GoASTExpr *e); - GoASTExpr *IndexOrSlice(GoASTExpr *e); - GoASTExpr *TypeAssertion(GoASTExpr *e); - GoASTExpr *Arguments(GoASTExpr *e); - - GoASTExpr *Type(); - GoASTExpr *Type2(); - GoASTExpr *ArrayOrSliceType(bool allowEllipsis); - GoASTExpr *StructType(); - GoASTExpr *FunctionType(); - GoASTExpr *InterfaceType(); - GoASTExpr *MapType(); - GoASTExpr *ChanType(); - GoASTExpr *ChanType2(); - - GoASTExpr *Name(); - GoASTExpr *QualifiedIdent(GoASTIdent *p); - GoASTIdent *Identifier(); - - GoASTField *FieldDecl(); - GoASTExpr *AnonymousFieldType(); - GoASTExpr *FieldNamesAndType(GoASTField *f); - - GoASTFieldList *Params(); - GoASTField *ParamDecl(); - GoASTExpr *ParamType(); - GoASTFuncType *Signature(); - GoASTExpr *CompositeLit(); - GoASTExpr *FunctionLit(); - GoASTExpr *Element(); - GoASTCompositeLit *LiteralValue(); - - bool Failed() const { return m_failed; } - bool AtEOF() const { - return m_lexer.BytesRemaining() == 0 && m_pos == m_tokens.size(); - } - - void GetError(Status &error); - -private: - class Rule; - friend class Rule; - - std::nullptr_t syntaxerror() { - m_failed = true; - return nullptr; - } - GoLexer::Token &next() { - if (m_pos >= m_tokens.size()) { - if (m_pos != 0 && (m_tokens.back().m_type == GoLexer::TOK_EOF || - m_tokens.back().m_type == GoLexer::TOK_INVALID)) - return m_tokens.back(); - m_pos = m_tokens.size(); - m_tokens.push_back(m_lexer.Lex()); - } - return m_tokens[m_pos++]; - } - GoLexer::TokenType peek() { - GoLexer::Token &tok = next(); - --m_pos; - return tok.m_type; - } - GoLexer::Token *match(GoLexer::TokenType t) { - GoLexer::Token &tok = next(); - if (tok.m_type == t) - return &tok; - --m_pos; - m_last_tok = t; - return nullptr; - } - GoLexer::Token *mustMatch(GoLexer::TokenType t) { - GoLexer::Token *tok = match(t); - if (tok) - return tok; - return syntaxerror(); - } - bool Semicolon(); - - GoASTStmt *FinishStmt(GoASTStmt *s) { - if (!Semicolon()) - m_failed = true; - return s; - } - - llvm::StringRef CopyString(llvm::StringRef s); - - GoLexer m_lexer; - std::vector<GoLexer::Token> m_tokens; - size_t m_pos; - llvm::StringRef m_error; - llvm::StringRef m_last; - GoLexer::TokenType m_last_tok; - llvm::StringMap<uint8_t> m_strings; - bool m_failed; -}; -} - -#endif diff --git a/source/Plugins/ExpressionParser/Go/GoUserExpression.cpp b/source/Plugins/ExpressionParser/Go/GoUserExpression.cpp deleted file mode 100644 index 3a10a1dc767a..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoUserExpression.cpp +++ /dev/null @@ -1,668 +0,0 @@ -//===-- GoUserExpression.cpp ------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -// C Includes -#include <stdio.h> -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -// C++ Includes -#include <cstdlib> -#include <memory> -#include <string> -#include <vector> - -// Other libraries and framework includes -#include "llvm/ADT/StringMap.h" -#include "llvm/ADT/StringRef.h" - -// Project includes -#include "GoUserExpression.h" - -#include "lldb/Core/Module.h" -#include "lldb/Core/StreamFile.h" -#include "lldb/Core/ValueObjectConstResult.h" -#include "lldb/Core/ValueObjectRegister.h" -#include "lldb/Expression/DiagnosticManager.h" -#include "lldb/Expression/ExpressionVariable.h" -#include "lldb/Symbol/GoASTContext.h" -#include "lldb/Symbol/SymbolFile.h" -#include "lldb/Symbol/TypeList.h" -#include "lldb/Symbol/VariableList.h" -#include "lldb/Target/ExecutionContext.h" -#include "lldb/Target/Process.h" -#include "lldb/Target/RegisterContext.h" -#include "lldb/Target/StackFrame.h" -#include "lldb/Target/Target.h" -#include "lldb/Target/ThreadPlan.h" -#include "lldb/Target/ThreadPlanCallUserExpression.h" -#include "lldb/Utility/ConstString.h" -#include "lldb/Utility/DataBufferHeap.h" -#include "lldb/Utility/DataEncoder.h" -#include "lldb/Utility/DataExtractor.h" -#include "lldb/Utility/Log.h" -#include "lldb/Utility/StreamString.h" -#include "lldb/lldb-private.h" - -#include "Plugins/ExpressionParser/Go/GoAST.h" -#include "Plugins/ExpressionParser/Go/GoParser.h" - -using namespace lldb_private; -using namespace lldb; - -class GoUserExpression::GoInterpreter { -public: - GoInterpreter(ExecutionContext &exe_ctx, const char *expr) - : m_exe_ctx(exe_ctx), m_frame(exe_ctx.GetFrameSP()), m_parser(expr) { - if (m_frame) { - const SymbolContext &ctx = - m_frame->GetSymbolContext(eSymbolContextFunction); - ConstString fname = ctx.GetFunctionName(); - if (fname.GetLength() > 0) { - size_t dot = fname.GetStringRef().find('.'); - if (dot != llvm::StringRef::npos) - m_package = llvm::StringRef(fname.AsCString(), dot); - } - } - } - - void set_use_dynamic(DynamicValueType use_dynamic) { - m_use_dynamic = use_dynamic; - } - - bool Parse(); - lldb::ValueObjectSP Evaluate(ExecutionContext &exe_ctx); - lldb::ValueObjectSP EvaluateStatement(const GoASTStmt *s); - lldb::ValueObjectSP EvaluateExpr(const GoASTExpr *e); - - ValueObjectSP VisitBadExpr(const GoASTBadExpr *e) { - m_parser.GetError(m_error); - return nullptr; - } - - ValueObjectSP VisitParenExpr(const GoASTParenExpr *e); - ValueObjectSP VisitIdent(const GoASTIdent *e); - ValueObjectSP VisitStarExpr(const GoASTStarExpr *e); - ValueObjectSP VisitSelectorExpr(const GoASTSelectorExpr *e); - ValueObjectSP VisitBasicLit(const GoASTBasicLit *e); - ValueObjectSP VisitIndexExpr(const GoASTIndexExpr *e); - ValueObjectSP VisitUnaryExpr(const GoASTUnaryExpr *e); - ValueObjectSP VisitCallExpr(const GoASTCallExpr *e); - - ValueObjectSP VisitTypeAssertExpr(const GoASTTypeAssertExpr *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitBinaryExpr(const GoASTBinaryExpr *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitArrayType(const GoASTArrayType *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitChanType(const GoASTChanType *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitCompositeLit(const GoASTCompositeLit *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitEllipsis(const GoASTEllipsis *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitFuncType(const GoASTFuncType *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitFuncLit(const GoASTFuncLit *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitInterfaceType(const GoASTInterfaceType *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitKeyValueExpr(const GoASTKeyValueExpr *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitMapType(const GoASTMapType *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitSliceExpr(const GoASTSliceExpr *e) { - return NotImplemented(e); - } - - ValueObjectSP VisitStructType(const GoASTStructType *e) { - return NotImplemented(e); - } - - CompilerType EvaluateType(const GoASTExpr *e); - - Status &error() { return m_error; } - -private: - std::nullptr_t NotImplemented(const GoASTExpr *e) { - m_error.SetErrorStringWithFormat("%s node not implemented", - e->GetKindName()); - return nullptr; - } - - ExecutionContext m_exe_ctx; - lldb::StackFrameSP m_frame; - GoParser m_parser; - DynamicValueType m_use_dynamic; - Status m_error; - llvm::StringRef m_package; - std::vector<std::unique_ptr<GoASTStmt>> m_statements; -}; - -VariableSP FindGlobalVariable(TargetSP target, llvm::Twine name) { - ConstString fullname(name.str()); - VariableList variable_list; - if (!target) { - return nullptr; - } - const uint32_t match_count = - target->GetImages().FindGlobalVariables(fullname, 1, variable_list); - if (match_count == 1) { - return variable_list.GetVariableAtIndex(0); - } - return nullptr; -} - -CompilerType LookupType(TargetSP target, ConstString name) { - if (!target) - return CompilerType(); - SymbolContext sc; - TypeList type_list; - llvm::DenseSet<SymbolFile *> searched_symbol_files; - uint32_t num_matches = target->GetImages().FindTypes( - sc, name, false, 2, searched_symbol_files, type_list); - if (num_matches > 0) { - return type_list.GetTypeAtIndex(0)->GetFullCompilerType(); - } - return CompilerType(); -} - -GoUserExpression::GoUserExpression(ExecutionContextScope &exe_scope, - llvm::StringRef expr, llvm::StringRef prefix, - lldb::LanguageType language, - ResultType desired_type, - const EvaluateExpressionOptions &options) - : UserExpression(exe_scope, expr, prefix, language, desired_type, options) { -} - -bool GoUserExpression::Parse(DiagnosticManager &diagnostic_manager, - ExecutionContext &exe_ctx, - lldb_private::ExecutionPolicy execution_policy, - bool keep_result_in_memory, - bool generate_debug_info) { - InstallContext(exe_ctx); - m_interpreter.reset(new GoInterpreter(exe_ctx, GetUserText())); - if (m_interpreter->Parse()) - return true; - const char *error_cstr = m_interpreter->error().AsCString(); - if (error_cstr && error_cstr[0]) - diagnostic_manager.PutString(eDiagnosticSeverityError, error_cstr); - else - diagnostic_manager.Printf(eDiagnosticSeverityError, - "expression can't be interpreted or run"); - return false; -} - -lldb::ExpressionResults -GoUserExpression::DoExecute(DiagnosticManager &diagnostic_manager, - ExecutionContext &exe_ctx, - const EvaluateExpressionOptions &options, - lldb::UserExpressionSP &shared_ptr_to_me, - lldb::ExpressionVariableSP &result) { - Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_EXPRESSIONS | - LIBLLDB_LOG_STEP)); - - lldb_private::ExecutionPolicy execution_policy = options.GetExecutionPolicy(); - lldb::ExpressionResults execution_results = lldb::eExpressionSetupError; - - Process *process = exe_ctx.GetProcessPtr(); - Target *target = exe_ctx.GetTargetPtr(); - - if (target == nullptr || process == nullptr || - process->GetState() != lldb::eStateStopped) { - if (execution_policy == eExecutionPolicyAlways) { - if (log) - log->Printf("== [GoUserExpression::Evaluate] Expression may not run, " - "but is not constant =="); - - diagnostic_manager.PutString(eDiagnosticSeverityError, - "expression needed to run but couldn't"); - - return execution_results; - } - } - - m_interpreter->set_use_dynamic(options.GetUseDynamic()); - ValueObjectSP result_val_sp = m_interpreter->Evaluate(exe_ctx); - Status err = m_interpreter->error(); - m_interpreter.reset(); - - if (!result_val_sp) { - const char *error_cstr = err.AsCString(); - if (error_cstr && error_cstr[0]) - diagnostic_manager.PutString(eDiagnosticSeverityError, error_cstr); - else - diagnostic_manager.PutString(eDiagnosticSeverityError, - "expression can't be interpreted or run"); - return lldb::eExpressionDiscarded; - } - result.reset(new ExpressionVariable(ExpressionVariable::eKindGo)); - result->m_live_sp = result->m_frozen_sp = result_val_sp; - result->m_flags |= ExpressionVariable::EVIsProgramReference; - PersistentExpressionState *pv = - target->GetPersistentExpressionStateForLanguage(eLanguageTypeGo); - if (pv != nullptr) { - result->SetName(pv->GetNextPersistentVariableName( - *target, pv->GetPersistentVariablePrefix())); - pv->AddVariable(result); - } - return lldb::eExpressionCompleted; -} - -bool GoUserExpression::GoInterpreter::Parse() { - for (std::unique_ptr<GoASTStmt> stmt(m_parser.Statement()); stmt; - stmt.reset(m_parser.Statement())) { - if (m_parser.Failed()) - break; - m_statements.emplace_back(std::move(stmt)); - } - if (m_parser.Failed() || !m_parser.AtEOF()) - m_parser.GetError(m_error); - - return m_error.Success(); -} - -ValueObjectSP -GoUserExpression::GoInterpreter::Evaluate(ExecutionContext &exe_ctx) { - m_exe_ctx = exe_ctx; - ValueObjectSP result; - for (const std::unique_ptr<GoASTStmt> &stmt : m_statements) { - result = EvaluateStatement(stmt.get()); - if (m_error.Fail()) - return nullptr; - } - return result; -} - -ValueObjectSP GoUserExpression::GoInterpreter::EvaluateStatement( - const lldb_private::GoASTStmt *stmt) { - ValueObjectSP result; - switch (stmt->GetKind()) { - case GoASTNode::eBlockStmt: { - const GoASTBlockStmt *block = llvm::cast<GoASTBlockStmt>(stmt); - for (size_t i = 0; i < block->NumList(); ++i) - result = EvaluateStatement(block->GetList(i)); - break; - } - case GoASTNode::eBadStmt: - m_parser.GetError(m_error); - break; - case GoASTNode::eExprStmt: { - const GoASTExprStmt *expr = llvm::cast<GoASTExprStmt>(stmt); - return EvaluateExpr(expr->GetX()); - } - default: - m_error.SetErrorStringWithFormat("%s node not supported", - stmt->GetKindName()); - } - return result; -} - -ValueObjectSP GoUserExpression::GoInterpreter::EvaluateExpr( - const lldb_private::GoASTExpr *e) { - if (e) - return e->Visit<ValueObjectSP>(this); - return ValueObjectSP(); -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitParenExpr( - const lldb_private::GoASTParenExpr *e) { - return EvaluateExpr(e->GetX()); -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitIdent(const GoASTIdent *e) { - ValueObjectSP val; - if (m_frame) { - VariableSP var_sp; - std::string varname = e->GetName().m_value.str(); - if (varname.size() > 1 && varname[0] == '$') { - RegisterContextSP reg_ctx_sp = m_frame->GetRegisterContext(); - const RegisterInfo *reg = - reg_ctx_sp->GetRegisterInfoByName(varname.c_str() + 1); - if (reg) { - std::string type; - switch (reg->encoding) { - case lldb::eEncodingSint: - type.append("int"); - break; - case lldb::eEncodingUint: - type.append("uint"); - break; - case lldb::eEncodingIEEE754: - type.append("float"); - break; - default: - m_error.SetErrorString("Invalid register encoding"); - return nullptr; - } - switch (reg->byte_size) { - case 8: - type.append("64"); - break; - case 4: - type.append("32"); - break; - case 2: - type.append("16"); - break; - case 1: - type.append("8"); - break; - default: - m_error.SetErrorString("Invalid register size"); - return nullptr; - } - ValueObjectSP regVal = ValueObjectRegister::Create( - m_frame.get(), reg_ctx_sp, reg->kinds[eRegisterKindLLDB]); - CompilerType goType = - LookupType(m_frame->CalculateTarget(), ConstString(type)); - if (regVal) { - regVal = regVal->Cast(goType); - return regVal; - } - } - m_error.SetErrorString("Invalid register name"); - return nullptr; - } - VariableListSP var_list_sp(m_frame->GetInScopeVariableList(false)); - if (var_list_sp) { - var_sp = var_list_sp->FindVariable(ConstString(varname)); - if (var_sp) - val = m_frame->GetValueObjectForFrameVariable(var_sp, m_use_dynamic); - else { - // When a variable is on the heap instead of the stack, go records a - // variable '&x' instead of 'x'. - var_sp = var_list_sp->FindVariable(ConstString("&" + varname)); - if (var_sp) { - val = m_frame->GetValueObjectForFrameVariable(var_sp, m_use_dynamic); - if (val) - val = val->Dereference(m_error); - if (m_error.Fail()) - return nullptr; - } - } - } - if (!val) { - m_error.Clear(); - TargetSP target = m_frame->CalculateTarget(); - if (!target) { - m_error.SetErrorString("No target"); - return nullptr; - } - var_sp = - FindGlobalVariable(target, m_package + "." + e->GetName().m_value); - if (var_sp) - return m_frame->TrackGlobalVariable(var_sp, m_use_dynamic); - } - } - if (!val) - m_error.SetErrorStringWithFormat("Unknown variable %s", - e->GetName().m_value.str().c_str()); - return val; -} - -ValueObjectSP -GoUserExpression::GoInterpreter::VisitStarExpr(const GoASTStarExpr *e) { - ValueObjectSP target = EvaluateExpr(e->GetX()); - if (!target) - return nullptr; - return target->Dereference(m_error); -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitSelectorExpr( - const lldb_private::GoASTSelectorExpr *e) { - ValueObjectSP target = EvaluateExpr(e->GetX()); - if (target) { - if (target->GetCompilerType().IsPointerType()) { - target = target->Dereference(m_error); - if (m_error.Fail()) - return nullptr; - } - ConstString field(e->GetSel()->GetName().m_value); - ValueObjectSP result = target->GetChildMemberWithName(field, true); - if (!result) - m_error.SetErrorStringWithFormat("Unknown child %s", field.AsCString()); - return result; - } - if (const GoASTIdent *package = llvm::dyn_cast<GoASTIdent>(e->GetX())) { - if (VariableSP global = FindGlobalVariable( - m_exe_ctx.GetTargetSP(), package->GetName().m_value + "." + - e->GetSel()->GetName().m_value)) { - if (m_frame) { - m_error.Clear(); - return m_frame->GetValueObjectForFrameVariable(global, m_use_dynamic); - } - } - } - if (const GoASTBasicLit *packageLit = - llvm::dyn_cast<GoASTBasicLit>(e->GetX())) { - if (packageLit->GetValue().m_type == GoLexer::LIT_STRING) { - std::string value = packageLit->GetValue().m_value.str(); - value = value.substr(1, value.size() - 2); - if (VariableSP global = FindGlobalVariable( - m_exe_ctx.GetTargetSP(), - value + "." + e->GetSel()->GetName().m_value)) { - if (m_frame) { - m_error.Clear(); - return m_frame->TrackGlobalVariable(global, m_use_dynamic); - } - } - } - } - // EvaluateExpr should have already set m_error. - return target; -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitBasicLit( - const lldb_private::GoASTBasicLit *e) { - std::string value = e->GetValue().m_value.str(); - if (e->GetValue().m_type != GoLexer::LIT_INTEGER) { - m_error.SetErrorStringWithFormat("Unsupported literal %s", value.c_str()); - return nullptr; - } - errno = 0; - int64_t intvalue = strtol(value.c_str(), nullptr, 0); - if (errno != 0) { - m_error.SetErrorToErrno(); - return nullptr; - } - DataBufferSP buf(new DataBufferHeap(sizeof(intvalue), 0)); - TargetSP target = m_exe_ctx.GetTargetSP(); - if (!target) { - m_error.SetErrorString("No target"); - return nullptr; - } - ByteOrder order = target->GetArchitecture().GetByteOrder(); - uint8_t addr_size = target->GetArchitecture().GetAddressByteSize(); - DataEncoder enc(buf, order, addr_size); - enc.PutU64(0, static_cast<uint64_t>(intvalue)); - DataExtractor data(buf, order, addr_size); - - CompilerType type = LookupType(target, ConstString("int64")); - return ValueObject::CreateValueObjectFromData(llvm::StringRef(), data, - m_exe_ctx, type); -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitIndexExpr( - const lldb_private::GoASTIndexExpr *e) { - ValueObjectSP target = EvaluateExpr(e->GetX()); - if (!target) - return nullptr; - ValueObjectSP index = EvaluateExpr(e->GetIndex()); - if (!index) - return nullptr; - bool is_signed; - if (!index->GetCompilerType().IsIntegerType(is_signed)) { - m_error.SetErrorString("Unsupported index"); - return nullptr; - } - size_t idx; - if (is_signed) - idx = index->GetValueAsSigned(0); - else - idx = index->GetValueAsUnsigned(0); - if (GoASTContext::IsGoSlice(target->GetCompilerType())) { - target = target->GetStaticValue(); - ValueObjectSP cap = - target->GetChildMemberWithName(ConstString("cap"), true); - if (cap) { - uint64_t capval = cap->GetValueAsUnsigned(0); - if (idx >= capval) { - m_error.SetErrorStringWithFormat("Invalid index %" PRIu64 - " , cap = %" PRIu64, - uint64_t(idx), capval); - return nullptr; - } - } - target = target->GetChildMemberWithName(ConstString("array"), true); - if (target && m_use_dynamic != eNoDynamicValues) { - ValueObjectSP dynamic = target->GetDynamicValue(m_use_dynamic); - if (dynamic) - target = dynamic; - } - if (!target) - return nullptr; - return target->GetSyntheticArrayMember(idx, true); - } - return target->GetChildAtIndex(idx, true); -} - -ValueObjectSP -GoUserExpression::GoInterpreter::VisitUnaryExpr(const GoASTUnaryExpr *e) { - ValueObjectSP x = EvaluateExpr(e->GetX()); - if (!x) - return nullptr; - switch (e->GetOp()) { - case GoLexer::OP_AMP: { - CompilerType type = x->GetCompilerType().GetPointerType(); - uint64_t address = x->GetAddressOf(); - return ValueObject::CreateValueObjectFromAddress(llvm::StringRef(), address, - m_exe_ctx, type); - } - case GoLexer::OP_PLUS: - return x; - default: - m_error.SetErrorStringWithFormat( - "Operator %s not supported", - GoLexer::LookupToken(e->GetOp()).str().c_str()); - return nullptr; - } -} - -CompilerType GoUserExpression::GoInterpreter::EvaluateType(const GoASTExpr *e) { - TargetSP target = m_exe_ctx.GetTargetSP(); - if (auto *id = llvm::dyn_cast<GoASTIdent>(e)) { - CompilerType result = - LookupType(target, ConstString(id->GetName().m_value)); - if (result.IsValid()) - return result; - std::string fullname = (m_package + "." + id->GetName().m_value).str(); - result = LookupType(target, ConstString(fullname)); - if (!result) - m_error.SetErrorStringWithFormat("Unknown type %s", fullname.c_str()); - return result; - } - if (auto *sel = llvm::dyn_cast<GoASTSelectorExpr>(e)) { - std::string package; - if (auto *pkg_node = llvm::dyn_cast<GoASTIdent>(sel->GetX())) { - package = pkg_node->GetName().m_value.str(); - } else if (auto *str_node = llvm::dyn_cast<GoASTBasicLit>(sel->GetX())) { - if (str_node->GetValue().m_type == GoLexer::LIT_STRING) { - package = str_node->GetValue().m_value.substr(1).str(); - package.resize(package.length() - 1); - } - } - if (package.empty()) { - m_error.SetErrorStringWithFormat("Invalid %s in type expression", - sel->GetX()->GetKindName()); - return CompilerType(); - } - std::string fullname = - (package + "." + sel->GetSel()->GetName().m_value).str(); - CompilerType result = LookupType(target, ConstString(fullname)); - if (!result) - m_error.SetErrorStringWithFormat("Unknown type %s", fullname.c_str()); - return result; - } - if (auto *star = llvm::dyn_cast<GoASTStarExpr>(e)) { - CompilerType elem = EvaluateType(star->GetX()); - return elem.GetPointerType(); - } - if (auto *paren = llvm::dyn_cast<GoASTParenExpr>(e)) - return EvaluateType(paren->GetX()); - if (auto *array = llvm::dyn_cast<GoASTArrayType>(e)) { - CompilerType elem = EvaluateType(array->GetElt()); - } - - m_error.SetErrorStringWithFormat("Invalid %s in type expression", - e->GetKindName()); - return CompilerType(); -} - -ValueObjectSP GoUserExpression::GoInterpreter::VisitCallExpr( - const lldb_private::GoASTCallExpr *e) { - ValueObjectSP x = EvaluateExpr(e->GetFun()); - if (x || e->NumArgs() != 1) { - m_error.SetErrorStringWithFormat("Code execution not supported"); - return nullptr; - } - m_error.Clear(); - CompilerType type = EvaluateType(e->GetFun()); - if (!type) { - return nullptr; - } - ValueObjectSP value = EvaluateExpr(e->GetArgs(0)); - if (!value) - return nullptr; - // TODO: Handle special conversions - return value->Cast(type); -} - -GoPersistentExpressionState::GoPersistentExpressionState() - : PersistentExpressionState(eKindGo) {} - -void GoPersistentExpressionState::RemovePersistentVariable( - lldb::ExpressionVariableSP variable) { - RemoveVariable(variable); - - const char *name = variable->GetName().AsCString(); - - if (*(name++) != '$') - return; - if (*(name++) != 'g') - return; - if (*(name++) != 'o') - return; - - if (strtoul(name, nullptr, 0) == m_next_persistent_variable_id - 1) - m_next_persistent_variable_id--; -} diff --git a/source/Plugins/ExpressionParser/Go/GoUserExpression.h b/source/Plugins/ExpressionParser/Go/GoUserExpression.h deleted file mode 100644 index e2839da9bfdd..000000000000 --- a/source/Plugins/ExpressionParser/Go/GoUserExpression.h +++ /dev/null @@ -1,94 +0,0 @@ -//===-- GoUserExpression.h --------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef liblldb_GoUserExpression_h_ -#define liblldb_GoUserExpression_h_ - -// C Includes -// C++ Includes -#include <memory> - -// Other libraries and framework includes -// Project includes -#include "lldb/Expression/ExpressionVariable.h" -#include "lldb/Expression/UserExpression.h" -#include "lldb/Target/ExecutionContext.h" -#include "lldb/lldb-forward.h" -#include "lldb/lldb-private.h" - -namespace lldb_private { -class GoParser; - -class GoPersistentExpressionState : public PersistentExpressionState { -public: - GoPersistentExpressionState(); - - llvm::StringRef - GetPersistentVariablePrefix(bool is_error) const override { - return "$go"; - } - void RemovePersistentVariable(lldb::ExpressionVariableSP variable) override; - - lldb::addr_t LookupSymbol(const ConstString &name) override { - return LLDB_INVALID_ADDRESS; - } - - static bool classof(const PersistentExpressionState *pv) { - return pv->getKind() == PersistentExpressionState::eKindGo; - } - -private: - uint32_t m_next_persistent_variable_id; ///< The counter used by - ///GetNextResultName(). -}; - -//---------------------------------------------------------------------- -/// @class GoUserExpression GoUserExpression.h -/// "lldb/Expression/GoUserExpression.h" Encapsulates a single expression for -/// use with Go -/// -/// LLDB uses expressions for various purposes, notably to call functions -/// and as a backend for the expr command. GoUserExpression encapsulates the -/// objects needed to parse and interpret an expression. -//---------------------------------------------------------------------- -class GoUserExpression : public UserExpression { -public: - GoUserExpression(ExecutionContextScope &exe_scope, llvm::StringRef expr, - llvm::StringRef prefix, lldb::LanguageType language, - ResultType desired_type, - const EvaluateExpressionOptions &options); - - bool Parse(DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx, - lldb_private::ExecutionPolicy execution_policy, - bool keep_result_in_memory, bool generate_debug_info) override; - - bool CanInterpret() override { return true; } - bool FinalizeJITExecution( - DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx, - lldb::ExpressionVariableSP &result, - lldb::addr_t function_stack_bottom = LLDB_INVALID_ADDRESS, - lldb::addr_t function_stack_top = LLDB_INVALID_ADDRESS) override { - return true; - } - -protected: - lldb::ExpressionResults - DoExecute(DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx, - const EvaluateExpressionOptions &options, - lldb::UserExpressionSP &shared_ptr_to_me, - lldb::ExpressionVariableSP &result) override; - -private: - class GoInterpreter; - std::unique_ptr<GoInterpreter> m_interpreter; -}; - -} // namespace lldb_private - -#endif // liblldb_GoUserExpression_h_ diff --git a/source/Plugins/ExpressionParser/Go/gen_go_ast.py b/source/Plugins/ExpressionParser/Go/gen_go_ast.py deleted file mode 100644 index 3be0e5f506ee..000000000000 --- a/source/Plugins/ExpressionParser/Go/gen_go_ast.py +++ /dev/null @@ -1,464 +0,0 @@ -import StringIO - - -def addNodes(): - addNode("ArrayType", "Expr", "len", "Expr", "elt", "Expr") - addNode( - "AssignStmt", - "Stmt", - "lhs", - "[]Expr", - "rhs", - "[]Expr", - "define", - "bool") - addNode("BadDecl", "Decl") - addNode("BadExpr", "Expr") - addNode("BadStmt", "Stmt") - addNode("BasicLit", "Expr", "value", "Token") - addNode("BinaryExpr", "Expr", "x", "Expr", "y", "Expr", "op", "TokenType") - addNode("BlockStmt", "Stmt", "list", "[]Stmt") - addNode("Ident", "Expr", "name", "Token") - addNode("BranchStmt", "Stmt", "label", "Ident", "tok", "TokenType") - addNode( - "CallExpr", - "Expr", - "fun", - "Expr", - "args", - "[]Expr", - "ellipsis", - "bool") - addNode("CaseClause", "Stmt", "list", "[]Expr", "body", "[]Stmt") - addNode("ChanType", "Expr", "dir", "ChanDir", "value", "Expr") - addNode("CommClause", "Stmt", "comm", "Stmt", "body", "[]Stmt") - addNode("CompositeLit", "Expr", "type", "Expr", "elts", "[]Expr") - addNode("DeclStmt", "Stmt", "decl", "Decl") - addNode("DeferStmt", "Stmt", "call", "CallExpr") - addNode("Ellipsis", "Expr", "elt", "Expr") - addNode("EmptyStmt", "Stmt") - addNode("ExprStmt", "Stmt", "x", "Expr") - addNode( - "Field", - "Node", - "names", - "[]Ident", - "type", - "Expr", - "tag", - "BasicLit") - addNode("FieldList", "Node", "list", "[]Field") - addNode( - "ForStmt", - "Stmt", - "init", - "Stmt", - "cond", - "Expr", - "post", - "Stmt", - "body", - "BlockStmt") - addNode("FuncType", "Expr", "params", "FieldList", "results", "FieldList") - addNode( - "FuncDecl", - "Decl", - "recv", - "FieldList", - "name", - "Ident", - "type", - "FuncType", - "body", - "BlockStmt") - addNode("FuncLit", "Expr", "type", "FuncType", "body", "BlockStmt") - addNode("GenDecl", "Decl", "tok", "TokenType", "specs", "[]Spec") - addNode("GoStmt", "Stmt", "call", "CallExpr") - addNode( - "IfStmt", - "Stmt", - "init", - "Stmt", - "cond", - "Expr", - "body", - "BlockStmt", - "els", - "Stmt") - addNode("ImportSpec", "Spec", "name", "Ident", "path", "BasicLit") - addNode("IncDecStmt", "Stmt", "x", "Expr", "tok", "TokenType") - addNode("IndexExpr", "Expr", "x", "Expr", "index", "Expr") - addNode("InterfaceType", "Expr", "methods", "FieldList") - addNode("KeyValueExpr", "Expr", "key", "Expr", "value", "Expr") - addNode("LabeledStmt", "Stmt", "label", "Ident", "stmt", "Stmt") - addNode("MapType", "Expr", "key", "Expr", "value", "Expr") - addNode("ParenExpr", "Expr", "x", "Expr") - addNode( - "RangeStmt", - "Stmt", - "key", - "Expr", - "value", - "Expr", - "define", - "bool", - "x", - "Expr", - "body", - "BlockStmt") - addNode("ReturnStmt", "Stmt", "results", "[]Expr") - addNode("SelectStmt", "Stmt", "body", "BlockStmt") - addNode("SelectorExpr", "Expr", "x", "Expr", "sel", "Ident") - addNode("SendStmt", "Stmt", "chan", "Expr", "value", "Expr") - addNode( - "SliceExpr", - "Expr", - "x", - "Expr", - "low", - "Expr", - "high", - "Expr", - "max", - "Expr", - "slice3", - "bool") - addNode("StarExpr", "Expr", "x", "Expr") - addNode("StructType", "Expr", "fields", "FieldList") - addNode( - "SwitchStmt", - "Stmt", - "init", - "Stmt", - "tag", - "Expr", - "body", - "BlockStmt") - addNode("TypeAssertExpr", "Expr", "x", "Expr", "type", "Expr") - addNode("TypeSpec", "Spec", "name", "Ident", "type", "Expr") - addNode( - "TypeSwitchStmt", - "Stmt", - "init", - "Stmt", - "assign", - "Stmt", - "body", - "BlockStmt") - addNode("UnaryExpr", "Expr", "op", "TokenType", "x", "Expr") - addNode( - "ValueSpec", - "Spec", - "names", - "[]Ident", - "type", - "Expr", - "values", - "[]Expr") - addParent("Decl", "Node") - addParent("Expr", "Node") - addParent("Spec", "Node") - addParent("Stmt", "Node") - - -class Member(object): - - def __init__(self, name, typename): - self.title = name.title() - self.sname = name - self.mname = 'm_' + name - self.is_list = typename.startswith("[]") - self.is_value = isValueType(typename) - if self.is_value: - self.argtype = typename - self.mtype = typename - elif self.is_list: - self.argtype = 'GoAST' + typename[2:] - self.mtype = 'std::vector<std::unique_ptr<%s> >' % self.argtype - else: - self.argtype = 'GoAST' + typename - self.mtype = 'std::unique_ptr<%s>' % self.argtype - self.mname = self.mname + '_up' - - -kinds = {} -parentClasses = StringIO.StringIO() -childClasses = StringIO.StringIO() -walker = StringIO.StringIO() - - -def startClass(name, parent, out): - out.write(""" -class GoAST%s : public GoAST%s -{ - public: -""" % (name, parent)) - - -def endClass(name, out): - out.write(""" - %(name)s(const %(name)s &) = delete; - const %(name)s &operator=(const %(name)s &) = delete; -}; -""" % {'name': 'GoAST' + name}) - - -def addNode(name, parent, *children): - startClass(name, parent, childClasses) - l = kinds.setdefault(parent, []) - l.append(name) - children = createMembers(name, children) - addConstructor(name, parent, children) - childClasses.write(""" - const char * - GetKindName() const override - { - return "%(name)s"; - } - - static bool - classof(const GoASTNode *n) - { - return n->GetKind() == e%(name)s; - } - """ % {'name': name}) - addChildren(name, children) - endClass(name, childClasses) - - -def isValueType(typename): - if typename[0].islower(): - return True - if typename[0].isupper(): - return typename.startswith('Token') or typename == 'ChanDir' - return False - - -def createMembers(name, children): - l = len(children) - if (l % 2) != 0: - raise Exception("Invalid children for %s: %s" % (name, children)) - return [Member(children[i], children[i + 1]) for i in xrange(0, l, 2)] - - -def addConstructor(name, parent, children): - for c in children: - if c.is_list: - children = [x for x in children if x.is_value] - break - childClasses.write(' ') - if len(children) == 1: - childClasses.write('explicit ') - childClasses.write('GoAST%s(' % name) - for i in xrange(len(children)): - if i > 0: - childClasses.write(', ') - - c = children[i] - if c.is_value: - childClasses.write(c.argtype) - childClasses.write(' ') - else: - childClasses.write('%s *' % c.argtype) - childClasses.write(c.sname) - childClasses.write(') : GoAST%s(e%s)' % (parent, name)) - for c in children: - childClasses.write(', ') - childClasses.write('%(mname)s(%(sname)s)' % c.__dict__) - childClasses.write(""" {} - ~GoAST%s() override = default; -""" % name) - - -def addChildren(name, children): - if len(children) == 0: - return - walker.write(""" - case e%(n)s: - { - GoAST%(n)s *n = llvm::cast<GoAST%(n)s>(this); - (void)n;""" % {'n': name}) - for c in children: - if c.is_list: - childClasses.write(""" - size_t - Num%(title)s() const - { - return %(mname)s.size(); - } - const %(argtype)s * - Get%(title)s(int i) const - { - return %(mname)s[i].get(); - } - void - Add%(title)s(%(argtype)s *%(sname)s) - { - %(mname)s.push_back(std::unique_ptr<%(argtype)s>(%(sname)s)); - } -""" % c.__dict__) - walker.write(""" - for (auto& e : n->%s) { v(e.get()); }""" % c.mname) - else: - const = '' - get = '' - set = '' - t = c.argtype - if isValueType(t): - set = '%(mname)s = %(sname)s' % c.__dict__ - t = t + ' ' - else: - t = t + ' *' - const = 'const ' - get = '.get()' - set = '%(mname)s.reset(%(sname)s)' % c.__dict__ - walker.write(""" - v(n->%s.get());""" % c.mname) - childClasses.write(""" - %(const)s%(type)s - Get%(title)s() const - { - return %(mname)s%(get)s; - } - void - Set%(title)s(%(type)s%(sname)s) - { - %(set)s; - } -""" % {'const': const, 'title': c.title, 'sname': c.sname, 'get': get, 'set': set, 'type': t, 'mname': c.mname}) - childClasses.write('\n private:\n friend class GoASTNode;\n') - walker.write(""" - return; - }""") - for c in children: - childClasses.write(' %s %s;\n' % (c.mtype, c.mname)) - - -def addParent(name, parent): - startClass(name, parent, parentClasses) - l = kinds[name] - minName = l[0] - maxName = l[-1] - parentClasses.write(""" template <typename R, typename V> R Visit(V *v) const; - - static bool - classof(const GoASTNode *n) - { - return n->GetKind() >= e%s && n->GetKind() <= e%s; - } - - protected: - explicit GoAST%s(NodeKind kind) : GoASTNode(kind) { } - private: -""" % (minName, maxName, name)) - endClass(name, parentClasses) - -addNodes() - -print """//===-- GoAST.h -------------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -// DO NOT EDIT. -// Generated by gen_go_ast.py - -#ifndef liblldb_GoAST_h -#define liblldb_GoAST_h - -#include "lldb/lldb-forward.h" -#include "lldb/lldb-private.h" -#include "llvm/Support/Casting.h" -#include "Plugins/ExpressionParser/Go/GoLexer.h" - -namespace lldb_private -{ - -class GoASTNode -{ - public: - typedef GoLexer::TokenType TokenType; - typedef GoLexer::Token Token; - enum ChanDir - { - eChanBidir, - eChanSend, - eChanRecv, - }; - enum NodeKind - {""" -for l in kinds.itervalues(): - for x in l: - print " e%s," % x -print """ }; - - virtual ~GoASTNode() = default; - - NodeKind - GetKind() const - { - return m_kind; - } - - virtual const char *GetKindName() const = 0; - - template <typename V> void WalkChildren(V &v); - - protected: - explicit GoASTNode(NodeKind kind) : m_kind(kind) { } - - private: - const NodeKind m_kind; - - GoASTNode(const GoASTNode &) = delete; - const GoASTNode &operator=(const GoASTNode &) = delete; -}; -""" - - -print parentClasses.getvalue() -print childClasses.getvalue() - -for k, l in kinds.iteritems(): - if k == 'Node': - continue - print """ -template <typename R, typename V> -R GoAST%s::Visit(V* v) const -{ - switch(GetKind()) - {""" % k - for subtype in l: - print """ case e%(n)s: - return v->Visit%(n)s(llvm::cast<const GoAST%(n)s>(this));""" % {'n': subtype} - - print """ default: - assert(false && "Invalid kind"); - } -}""" - -print """ -template <typename V> -void GoASTNode::WalkChildren(V &v) -{ - switch (m_kind) - { -""" -print walker.getvalue() -print""" - case eEmptyStmt: - case eBadDecl: - case eBadExpr: - case eBadStmt: - break; - } -} - -} // namespace lldb_private - -#endif -""" |
