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/*
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <algorithm>
#include <iostream>
#include "output_format.h"
#include "pio_disassembler.h"
struct json_output : public output_format {
struct factory {
factory() {
output_format::add(new json_output());
}
};
json_output() : output_format("json") {}
std::string get_description() override {
return "Machine-formatted output for integrating with external tools";
}
void output_symbols(FILE *out, bool output_labels, std::string prefix, const std::vector<compiled_source::symbol> &symbols) {
fprintf(out, "%s\"publicSymbols\": {\n", prefix.c_str());
bool first = true;
for (const auto &s : symbols) {
if (!s.is_label) {
// output trailing comma if necessary
if (!first) {
fprintf(out, ",\n");
} else {
first = false;
}
fprintf(out, "%s\t\"%s\": %d", prefix.c_str(), s.name.c_str(), s.value);
}
}
if (!first)
fprintf(out, "\n");
fprintf(out, "%s},\n", prefix.c_str());
if (!output_labels)
return;
fprintf(out, "%s\"publicLabels\": {\n", prefix.c_str());
first = true;
for (const auto &s : symbols) {
if (s.is_label) {
// output trailing comma if necessary
if (!first) {
fprintf(out, ",\n");
} else {
first = false;
}
fprintf(out, "%s\t\"%s\": %d", prefix.c_str(), s.name.c_str(), s.value);
}
}
if (!first)
fprintf(out, "\n");
fprintf(out, "%s},\n", prefix.c_str());
}
int output(std::string destination, std::vector<std::string> output_options,
const compiled_source &source) override {
for (const auto &program : source.programs) {
for(const auto &p : program.lang_opts) {
if (p.first.size() >= name.size() && p.first.compare(0, name.size(), name) == 0) {
std::cerr << "warning: " << name << " does not support output options; " << p.first << " lang_opt ignored.\n";
}
}
}
FILE *out = open_single_output(destination);
if (!out) return 1;
fprintf(out, "{\n");
bool first = true;
output_symbols(out, false, "\t", source.global_symbols);
const char* tabs = "\t\t\t";
fprintf(out, "\t\"programs\": [\n");
for (const auto &program : source.programs) {
// output trailing comma if necessary
if (!first) {
fprintf(out, ",\n");
} else {
first = false;
}
fprintf(out, "\t\t{\n");
fprintf(out, "%s\"name\": \"%s\",\n", tabs, program.name.c_str());
fprintf(out, "%s\"wrapTarget\": %d,\n", tabs, program.wrap_target);
fprintf(out, "%s\"wrap\": %d,\n", tabs, program.wrap);
fprintf(out, "%s\"origin\": %d,\n", tabs, program.origin.get());
if (program.sideset_bits_including_opt.is_specified()) {
fprintf(out, "%s\"sideset\": {\"size\": %d, \"optional\": %s, \"pindirs\": %s},\n", tabs, program.sideset_bits_including_opt.get(),
program.sideset_opt ? "true" : "false",
program.sideset_pindirs ? "true" : "false");
} else {
fprintf(out, "%s\"sideset\": {\"size\": 0, \"optional\": false, \"pindirs\": false},\n", tabs);
}
output_symbols(out, true, tabs, program.symbols);
fprintf(out, "%s\"instructions\": [\n", tabs);
bool first_inst = true;
for (int i = 0; i < (int)program.instructions.size(); i++) {
const auto &inst = program.instructions[i];
// output trailing comma if necessary
if (!first_inst) {
fprintf(out, ",\n");
} else {
first_inst = false;
}
// TODO: find a nice, supportable, output format for instruction disassembly.
// Note that may require tearing apart pio_disassembler to return to us something
// that we could output as {"instr":"mov", args: ["x", "~y"], side: 3, delay: 1}
// but that will likely wait for now
fprintf(out, "%s\t{\"hex\": \"%04X\"}",// \"disassembly\": \"%s\"}",
tabs, inst
//, disassemble(inst, program.sideset_bits_including_opt.get(), program.sideset_opt).c_str()
);
}
fprintf(out, "\n");
fprintf(out, "%s]\n", tabs);
fprintf(out, "\t\t}");
}
fprintf(out, "\n\t]\n}\n");
if (out != stdout) { fclose(out); }
return 0;
}
};
static json_output::factory creator;
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