[2bb4a01] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // Stmt.hpp -- |
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| 8 | // |
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| 9 | // Author : Aaron B. Moss |
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| 10 | // Created On : Wed May 8 13:00:00 2019 |
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| 11 | // Last Modified By : Aaron B. Moss |
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| 12 | // Last Modified On : Wed May 8 13:00:00 2019 |
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| 13 | // Update Count : 1 |
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| 14 | // |
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| 15 | |
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| 16 | #pragma once |
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| 17 | |
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| 18 | #include <list> |
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| 19 | #include <utility> // for move |
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| 20 | #include <vector> |
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| 21 | |
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| 22 | #include "Label.hpp" |
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| 23 | #include "Node.hpp" // for node, ptr |
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| 24 | #include "ParseNode.hpp" |
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| 25 | #include "Visitor.hpp" |
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| 26 | #include "Common/CodeLocation.h" |
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| 27 | |
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| 28 | namespace ast { |
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| 29 | |
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| 30 | class Expr; |
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| 31 | |
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| 32 | /// Base statement node |
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| 33 | class Stmt : public ParseNode { |
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| 34 | public: |
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| 35 | std::vector<Label> labels; |
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| 36 | |
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| 37 | Stmt( const CodeLocation& loc, std::vector<Label>&& labels = {} ) |
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| 38 | : ParseNode(loc), labels(std::move(labels)) {} |
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| 39 | |
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| 40 | Stmt(const Stmt& o) : ParseNode(o), labels(o.labels) {} |
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| 41 | |
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| 42 | virtual Stmt* accept( Visitor& v ) override = 0; |
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| 43 | private: |
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| 44 | virtual Stmt* clone() const override = 0; |
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| 45 | }; |
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| 46 | |
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| 47 | /// Compound statement `{ ... }` |
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| 48 | class CompoundStmt final : public Stmt { |
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| 49 | public: |
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| 50 | std::list<ptr<Stmt>> kids; |
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| 51 | |
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| 52 | CompoundStmt(const CodeLocation& loc, std::list<ptr<Stmt>>&& ks = {} ) |
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| 53 | : Stmt(loc), kids(std::move(ks)) {} |
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| 54 | |
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| 55 | CompoundStmt( const CompoundStmt& o ); |
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| 56 | CompoundStmt( CompoundStmt&& o ) = default; |
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| 57 | |
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| 58 | void push_back( Stmt* s ) { kids.emplace_back( s ); } |
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| 59 | void push_front( Stmt* s ) { kids.emplace_front( s ); } |
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| 60 | |
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| 61 | CompoundStmt* accept( Visitor& v ) override { return v.visit( this ); } |
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| 62 | private: |
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| 63 | CompoundStmt* clone() const override { return new CompoundStmt{ *this }; } |
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| 64 | }; |
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| 65 | |
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| 66 | /// Empty statment `;` |
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| 67 | class NullStmt final : public Stmt { |
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| 68 | public: |
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| 69 | NullStmt( const CodeLocation& loc, std::vector<Label>&& labels = {} ) |
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| 70 | : Stmt(loc, std::move(labels)) {} |
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| 71 | |
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| 72 | NullStmt* accept( Visitor& v ) override { return v.visit( this ); } |
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| 73 | private: |
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| 74 | NullStmt* clone() const override { return new NullStmt{ *this }; } |
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| 75 | }; |
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| 76 | |
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| 77 | /// Expression wrapped by statement |
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| 78 | class ExprStmt final : public Stmt { |
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| 79 | public: |
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| 80 | ptr<Expr> expr; |
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| 81 | |
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| 82 | ExprStmt( const CodeLocation& loc, Expr* e ) : Stmt(loc), expr(e) {} |
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| 83 | |
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| 84 | Stmt* accept( Visitor& v ) override { return v.visit( this ); } |
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| 85 | private: |
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| 86 | ExprStmt* clone() const override { return new ExprStmt{ *this }; } |
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| 87 | }; |
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| 88 | |
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| 89 | |
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| 90 | |
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| 91 | } |
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| 92 | |
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| 93 | // Local Variables: // |
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| 94 | // tab-width: 4 // |
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| 95 | // mode: c++ // |
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| 96 | // compile-command: "make install" // |
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| 97 | // End: // |
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