18474094147

Committed 13 Oct 2025 05:52PM UTC coverage: 61.661% (+0.01%) from 61.651%

Build # 18474094147

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Commit Message

Merge pull request #273 from daisytuner/codegen-externals

updates codegen for externals

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24 of 67 new or added lines in 3 files covered. (35.82%)

4 existing lines in 1 file now uncovered.

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77.24

/src/codegen/code_generators/cpp_code_generator.cpp

#include "sdfg/codegen/code_generators/cpp_code_generator.h"

#include "sdfg/codegen/dispatchers/node_dispatcher_registry.h"
#include "sdfg/codegen/instrumentation/instrumentation_plan.h"

namespace sdfg {
namespace codegen {

std::string CPPCodeGenerator::function_definition() {
    /********** Arglist **********/
    std::vector<std::string> args;
    for (auto& container : sdfg_.arguments()) {
        args.push_back(language_extension_.declaration(container, sdfg_.type(container)));
    }
    std::stringstream arglist;
    arglist << sdfg::helpers::join(args, ", ");
    std::string arglist_str = arglist.str();
    if (arglist_str.empty()) {
        arglist_str = "void";
    }

    return "extern \"C\" " + this->language_extension_.declaration("", sdfg_.return_type()) + sdfg_.name() + "(" +
           arglist_str + ")";
};

void CPPCodeGenerator::emit_capture_context_init(std::ostream& ofs_source) const {
    std::string name = sdfg_.name();
    std::string arg_capture_path = sdfg_.metadata().at("arg_capture_path");

    ofs_source << "static __daisy_capture_t* __capture_ctx;" << std::endl;
    ofs_source << "static void __attribute__((constructor(1000))) __capture_ctx_init(void) {" << std::endl;
    ofs_source << "\t__capture_ctx = __daisy_capture_init(\"" << name << "\", \"" << arg_capture_path << "\");" << std::endl;
    ofs_source << "}" << std::endl;
    ofs_source << std::endl;
}

void CPPCodeGenerator::dispatch_includes() {
    this->includes_stream_ << "#include <alloca.h>" << std::endl;
    this->includes_stream_ << "#include <cmath>" << std::endl;
    this->includes_stream_ << "#include <cstdio>" << std::endl;
    this->includes_stream_ << "#include <cstdlib>" << std::endl;
    this->includes_stream_ << "#include <cstring>" << std::endl;
    this->includes_stream_ << "#include <cblas.h>" << std::endl;
    this->includes_stream_ << "#include <daisy_rtl/daisy_rtl.h>" << std::endl;
};

void CPPCodeGenerator::dispatch_structures() {
    // Forward declarations
    for (auto& structure : sdfg_.structures()) {
        this->classes_stream_ << "struct " << structure << ";" << std::endl;
    }

    // Generate topology-sorted structure definitions
    typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS> structures_graph;
    typedef boost::graph_traits<structures_graph>::vertex_descriptor Vertex;
    std::vector<std::string> names;
    for (auto& structure : sdfg_.structures()) {
        names.push_back(structure);
    }
    structures_graph graph(names.size());

    for (auto& structure : names) {
        auto& definition = sdfg_.structure(structure);
        for (size_t i = 0; i < definition.num_members(); i++) {
            auto member_type = &definition.member_type(symbolic::integer(i));
            while (dynamic_cast<const types::Array*>(member_type)) {
                auto array_type = static_cast<const types::Array*>(member_type);
                member_type = &array_type->element_type();
            }

            if (auto member_structure = dynamic_cast<const sdfg::types::Structure*>(member_type)) {
                boost::add_edge(
                    std::find(names.begin(), names.end(), member_structure->name()) - names.begin(),
                    std::find(names.begin(), names.end(), structure) - names.begin(),
                    graph
                );
            }
        }
    }

    std::list<Vertex> order;
    std::unordered_map<Vertex, boost::default_color_type> vertex_colors;
    boost::topological_sort(
        graph, std::back_inserter(order), boost::color_map(boost::make_assoc_property_map(vertex_colors))
    );
    order.reverse();

    for (auto& structure_index : order) {
        std::string structure = names.at(structure_index);
        auto& definition = sdfg_.structure(structure);
        this->classes_stream_ << "struct ";
        if (definition.is_packed()) {
            this->classes_stream_ << "__attribute__((packed)) ";
        }
        this->classes_stream_ << structure << std::endl;
        this->classes_stream_ << "{\n";

        for (size_t i = 0; i < definition.num_members(); i++) {
            auto& member_type = definition.member_type(symbolic::integer(i));
            if (dynamic_cast<const sdfg::types::Structure*>(&member_type)) {
                this->classes_stream_ << "struct ";
            }
            this->classes_stream_
                << language_extension_.declaration("member_" + std::to_string(i), member_type, false, true);
            this->classes_stream_ << ";" << std::endl;
        }

        this->classes_stream_ << "};" << std::endl;
    }
};

void CPPCodeGenerator::dispatch_globals() {
    // Declare globals
    const std::unordered_set<std::string> reserved_symbols = {
        "alloca",
        "calloc",
        "free",
        "malloc",
        "memcpy",
        "memmove",
        "memset",
        "stderr",
        "stdin",
        "stdout"
    };
    for (auto& container : sdfg_.externals()) {
        // Reserved symbols
        if (reserved_symbols.find(container) != reserved_symbols.end()) {
            continue;
        }

        // Function declarations
        if (dynamic_cast<const types::Function*>(&sdfg_.type(container))) {
            this->globals_stream_ << "extern \"C\" ";
            this->globals_stream_ << language_extension_.declaration(container, sdfg_.type(container)) << ";"
                        << std::endl;
            continue;
        }

        // Other types must be pointers
        auto& type = dynamic_cast<const types::Pointer&>(sdfg_.type(container));
        assert(type.has_pointee_type() && "Externals must have a pointee type");
        auto& base_type = type.pointee_type();

        if (sdfg_.linkage_type(container) == LinkageType_External) {
            this->globals_stream_ << "extern " << language_extension_.declaration(container, base_type) << ";"
                                  << std::endl;
        } else {
            this->globals_stream_ << "static " << language_extension_.declaration(container, base_type);
            if (!type.initializer().empty()) {
                this->globals_stream_ << " = " << type.initializer();
            }
            this->globals_stream_ << ";" << std::endl;
        }
    }
};

void CPPCodeGenerator::dispatch_schedule() {
    // Declare transient containers
    for (auto& container : sdfg_.containers()) {
        if (!sdfg_.is_transient(container)) {
            continue;
        }

        std::string val = this->language_extension_.declaration(container, sdfg_.type(container), false, true);
        if (!val.empty()) {
            this->main_stream_ << val;
            this->main_stream_ << ";" << std::endl;
        }
    }

    auto dispatcher = create_dispatcher(language_extension_, sdfg_, sdfg_.root(), instrumentation_plan_);
    dispatcher->dispatch(this->main_stream_, this->globals_stream_, this->library_snippet_factory_);
};

} // namespace codegen
} // namespace sdfg

1	#include "sdfg/codegen/code_generators/cpp_code_generator.h"
2
3	#include "sdfg/codegen/dispatchers/node_dispatcher_registry.h"
4	#include "sdfg/codegen/instrumentation/instrumentation_plan.h"
5
6	namespace sdfg {
7	namespace codegen {
8
9	std::string CPPCodeGenerator::function_definition() {	1✔
10	/******** Arglist ********/
11	std::vector<std::string> args;	1✔
12	for (auto& container : sdfg_.arguments()) {	1✔
13	args.push_back(language_extension_.declaration(container, sdfg_.type(container)));	×
14	}
15	std::stringstream arglist;	1✔
16	arglist << sdfg::helpers::join(args, ", ");	1✔
17	std::string arglist_str = arglist.str();	1✔
18	if (arglist_str.empty()) {	1✔
19	arglist_str = "void";	1✔
20	}	1✔
21
22	return "extern \"C\" " + this->language_extension_.declaration("", sdfg_.return_type()) + sdfg_.name() + "(" +	2✔
23	arglist_str + ")";	1✔
24	};	1✔
25
26	void CPPCodeGenerator::emit_capture_context_init(std::ostream& ofs_source) const {	×
27	std::string name = sdfg_.name();	×
28	std::string arg_capture_path = sdfg_.metadata().at("arg_capture_path");	×
29
30	ofs_source << "static __daisy_capture_t* __capture_ctx;" << std::endl;	×
31	ofs_source << "static void __attribute__((constructor(1000))) __capture_ctx_init(void) {" << std::endl;	×
32	ofs_source << "\t__capture_ctx = __daisy_capture_init(\"" << name << "\", \"" << arg_capture_path << "\");" << std::endl;	×
33	ofs_source << "}" << std::endl;	×
34	ofs_source << std::endl;	×
35	}	×
36
37	void CPPCodeGenerator::dispatch_includes() {	4✔
38	this->includes_stream_ << "#include <alloca.h>" << std::endl;	4✔
39	this->includes_stream_ << "#include <cmath>" << std::endl;	4✔
40	this->includes_stream_ << "#include <cstdio>" << std::endl;	4✔
41	this->includes_stream_ << "#include <cstdlib>" << std::endl;	4✔
42	this->includes_stream_ << "#include <cstring>" << std::endl;	4✔
43	this->includes_stream_ << "#include <cblas.h>" << std::endl;	4✔
44	this->includes_stream_ << "#include <daisy_rtl/daisy_rtl.h>" << std::endl;	4✔
45	};	4✔
46
47	void CPPCodeGenerator::dispatch_structures() {	4✔
48	// Forward declarations
49	for (auto& structure : sdfg_.structures()) {	8✔
50	this->classes_stream_ << "struct " << structure << ";" << std::endl;	4✔
51	}
52
53	// Generate topology-sorted structure definitions
54	typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS> structures_graph;
55	typedef boost::graph_traits<structures_graph>::vertex_descriptor Vertex;
56	std::vector<std::string> names;	4✔
57	for (auto& structure : sdfg_.structures()) {	8✔
58	names.push_back(structure);	4✔
59	}
60	structures_graph graph(names.size());	4✔
61
62	for (auto& structure : names) {	8✔
63	auto& definition = sdfg_.structure(structure);	4✔
64	for (size_t i = 0; i < definition.num_members(); i++) {	8✔
65	auto member_type = &definition.member_type(symbolic::integer(i));	4✔
66	while (dynamic_cast<const types::Array*>(member_type)) {	4✔
67	auto array_type = static_cast<const types::Array*>(member_type);	×
68	member_type = &array_type->element_type();	×
69	}
70
71	if (auto member_structure = dynamic_cast<const sdfg::types::Structure*>(member_type)) {	4✔
72	boost::add_edge(	1✔
73	std::find(names.begin(), names.end(), member_structure->name()) - names.begin(),	1✔
74	std::find(names.begin(), names.end(), structure) - names.begin(),	1✔
75	graph
76	);
77	}	1✔
78	}	4✔
79	}
80
81	std::list<Vertex> order;	4✔
82	std::unordered_map<Vertex, boost::default_color_type> vertex_colors;	4✔
83	boost::topological_sort(	4✔
84	graph, std::back_inserter(order), boost::color_map(boost::make_assoc_property_map(vertex_colors))	4✔
85	);
86	order.reverse();	4✔
87
88	for (auto& structure_index : order) {	8✔
89	std::string structure = names.at(structure_index);	4✔
90	auto& definition = sdfg_.structure(structure);	4✔
91	this->classes_stream_ << "struct ";	4✔
92	if (definition.is_packed()) {	4✔
93	this->classes_stream_ << "__attribute__((packed)) ";	1✔
94	}	1✔
95	this->classes_stream_ << structure << std::endl;	4✔
96	this->classes_stream_ << "{\n";	4✔
97
98	for (size_t i = 0; i < definition.num_members(); i++) {	8✔
99	auto& member_type = definition.member_type(symbolic::integer(i));	4✔
100	if (dynamic_cast<const sdfg::types::Structure*>(&member_type)) {	4✔
101	this->classes_stream_ << "struct ";	1✔
102	}	1✔
103	this->classes_stream_	8✔
104	<< language_extension_.declaration("member_" + std::to_string(i), member_type, false, true);	4✔
105	this->classes_stream_ << ";" << std::endl;	4✔
106	}	4✔
107
108	this->classes_stream_ << "};" << std::endl;	4✔
109	}	4✔
110	};	4✔
111
112	void CPPCodeGenerator::dispatch_globals() {	4✔
113	// Declare globals
114	const std::unordered_set<std::string> reserved_symbols = {	4✔
115	"alloca",	4✔
116	"calloc",	4✔
117	"free",	4✔
118	"malloc",	4✔
119	"memcpy",	4✔
120	"memmove",	4✔
121	"memset",	4✔
122	"stderr",	4✔
123	"stdin",	4✔
124	"stdout"	4✔
125	};
126	for (auto& container : sdfg_.externals()) {	5✔
127	// Reserved symbols
128	if (reserved_symbols.find(container) != reserved_symbols.end()) {	1✔
129	continue;	×
130	}
131
132	// Function declarations
133	if (dynamic_cast<const types::Function*>(&sdfg_.type(container))) {	1✔
NEW 134	this->globals_stream_ << "extern \"C\" ";	×
NEW 135	this->globals_stream_ << language_extension_.declaration(container, sdfg_.type(container)) << ";"	×
NEW 136	<< std::endl;	×
NEW 137	continue;	×
138	}
139
140	// Other types must be pointers
141	auto& type = dynamic_cast<const types::Pointer&>(sdfg_.type(container));	1✔
142	assert(type.has_pointee_type() && "Externals must have a pointee type");	2✔
143	auto& base_type = type.pointee_type();	1✔
144
145	if (sdfg_.linkage_type(container) == LinkageType_External) {	1✔
146	this->globals_stream_ << "extern " << language_extension_.declaration(container, base_type) << ";"	2✔
147	<< std::endl;	1✔
148	} else {	1✔
149	this->globals_stream_ << "static " << language_extension_.declaration(container, base_type);	×
150	if (!type.initializer().empty()) {	×
151	this->globals_stream_ << " = " << type.initializer();	×
152	}	×
153	this->globals_stream_ << ";" << std::endl;	×
154	}
155	}
156	};	4✔
157
158	void CPPCodeGenerator::dispatch_schedule() {	4✔
159	// Declare transient containers
160	for (auto& container : sdfg_.containers()) {	5✔
161	if (!sdfg_.is_transient(container)) {	1✔
162	continue;	1✔
163	}
164
165	std::string val = this->language_extension_.declaration(container, sdfg_.type(container), false, true);	×
166	if (!val.empty()) {	×
167	this->main_stream_ << val;	×
168	this->main_stream_ << ";" << std::endl;	×
169	}	×
170	}	×
171
172	auto dispatcher = create_dispatcher(language_extension_, sdfg_, sdfg_.root(), instrumentation_plan_);	4✔
173	dispatcher->dispatch(this->main_stream_, this->globals_stream_, this->library_snippet_factory_);	4✔
174	};	4✔
175
176	} // namespace codegen
177	} // namespace sdfg

daisytuner / sdfglib / 18474094147

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