mirror of
https://github.com/ksherlock/mpw.git
synced 2024-12-26 11:30:25 +00:00
remove mpw-make. it's deprecated and replaced with mpw-shell in a separate repository.
This commit is contained in:
Kelvin Sherlock
parent
b5a39a1a8f
commit
99d1ca04fd
@ -60,13 +60,6 @@ add_custom_command(
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DEPENDS debugger.h template_parser.h
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)
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add_custom_command(
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OUTPUT mpw-make-parse.cpp
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COMMAND ragel -p -G2 -o mpw-make-parse.cpp "${CMAKE_CURRENT_SOURCE_DIR}/mpw-make-parse.rl"
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MAIN_DEPENDENCY mpw-make-parse.rl
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DEPENDS debugger.h
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)
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set_source_files_properties(
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@ -94,6 +87,8 @@ add_executable(disasm disasm.cpp)
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target_link_libraries(disasm CPU_LIB)
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target_link_libraries(disasm MACOS_LIB)
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add_executable(mpw-make mpw-make-parse.cpp mpw-make.cpp)
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install(
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PROGRAMS
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${CMAKE_CURRENT_BINARY_DIR}/mpw
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DESTINATION bin
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)
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@ -1,185 +0,0 @@
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/*
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* ragel code to extract commands from mpw make output
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*/
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#include <vector>
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#include <unistd.h>
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#include <string>
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#include <cstring>
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#include <cerrno>
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#include <stdlib.h>
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#include <sysexits.h>
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/*
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PascalIIGS IRModule.p
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asmiigs TheHeader.aii
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reziigs IRModule.r -o IRModule
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LinkIIGS TheHeader.aii.obj IRModule.p.obj ?
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-lib "{PIIGSLibraries}"PLib ?
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-o IRModule ?
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-t $BC -at $4001
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DuplicateIIgs -y -m IRModule :
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*/
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%%{
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machine make;
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alphtype unsigned char;
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comment := |*
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'\n' => { fhold; fgoto main; };
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any => {};
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*|;
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main := |*
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0xb6 '\n' => {
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// line continuation marker.
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// terminate the current token?
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};
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'\n' => {
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// terminate the command.
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if (!token.empty()) {
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argv.push_back(std::move(token));
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token.clear();
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}
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if (!argv.empty()) {
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int ok = launch_command(argv);
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if (ok != 0) {
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fprintf(stderr, "command failed with exit code %d\n", ok);
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return ok;
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}
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}
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argv.clear();
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};
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[ \t]+ => {
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// token separator.
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if (!token.empty()) {
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argv.push_back(std::move(token));
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token.clear();
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}
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};
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'"{' [A-Za-z][A-Za-z0-9]* '}"' => {
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// environment variable. remove quotes.
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// also expand if possible.
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token.append(ts + 1, te - 1);
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};
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['] [^']* ['] => {
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// quoted string -- remove quotes.
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token.append(ts + 1, te - 1);
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};
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["] [^"]* ["] => {
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// quoted string -- remove quotes.
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token.append(ts + 1, te - 1);
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};
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'#' => {
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// comment to eol.
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fgoto comment;
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};
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any => {
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token.push_back(*ts);
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};
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*|;
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}%%
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namespace {
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%% write data nofinal;
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}
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//extern int launch_command(std::vector<char *> &argv);
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extern int launch_command(const std::vector<std::string> &argv);
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int parse_makefile(int fd) {
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std::string token;
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std::vector<std::string> argv;
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unsigned char buffer[4096];
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const unsigned char *ts;
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const unsigned char *te;
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const unsigned char *p;
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const unsigned char *pe;
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const unsigned char *eof;
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int cs, act;
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unsigned offset = 0;
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%% write init;
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bool done = false;
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while (!done) {
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ssize_t s;
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s = read(fd, buffer + offset, sizeof(buffer) - offset);
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if (s < 0) {
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if (errno == EINTR) continue;
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perror("read: ");
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exit(EX_OSERR);
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}
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p = buffer + offset;
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pe = p + s;
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if (s == 0) {
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done = true;
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eof = pe;
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}
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%% write exec;
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if (cs == make_error) {
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fprintf(stderr, "lexer error\n");
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exit(EX_DATAERR);
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}
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// if inside a token, shift data around.
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if (ts == 0) {
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offset = 0;
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} else {
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offset = pe - ts;
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memmove(buffer, ts, offset);
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te = buffer + (te - ts);
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ts = buffer;
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if (offset == sizeof(buffer)) {
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fprintf(stderr, "buffer exceeded\n");
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exit(EX_SOFTWARE);
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}
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}
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}
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// any remaining argv?
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if (!argv.empty()) {
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fprintf(stderr, "warning: unterminated line\n");
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int ok = launch_command(argv);
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if (ok != 0) {
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fprintf(stderr, "command failed with exit code %d\n", ok);
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return ok;
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}
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}
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return 0;
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}
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467
bin/mpw-make.cpp
467
bin/mpw-make.cpp
@ -1,467 +0,0 @@
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/*
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*
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* Run MPW's make.
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*
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* MPW Make prints a list of commands to stdout.
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* read and execute them.
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*/
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#include <cstdio>
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#include <cstring>
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#include <cerrno>
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#include <cctype>
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#include <algorithm>
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#include <functional>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include <unistd.h>
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#include <sysexits.h>
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#include <stdlib.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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int parse_makefile(int fd);
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void help(void);
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void launch_make(std::vector<char *> &argv);
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void print_command(const std::vector<char *> &argv, bool active);
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void print_command(const std::vector<std::string> &argv, bool active);
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int launch_command(const std::vector<std::string> &argv);
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int launch_command(std::vector<char *> &argv);
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bool dry_run = false;
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void help(void) {
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#undef _
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#define _(x) puts(x)
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_("Make # build up-to-date version of a program");
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_("Make [option...] [target...]");
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_(" -d name[=value] # define variable name (overrides makefile definition)");
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_(" -e # rebuild everything regardless of dates");
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_(" -f filename # read dependencies from specified file (default: MakeFile)");
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_(" -i dirname # additional directory to search for include files");
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_(" -[no]mf # [don't] use temporary memory (default: mf)");
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_(" -p # write progress information to diagnostics");
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_(" -r # display the roots of the dependency graph");
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_(" -s # display the structure of the dependency graph");
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_(" -t # touch dates of targets and prerequisites");
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_(" -u # write list of unreachable targets to diagnostics");
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_(" -v # write verbose explanations to diagnostics (implies -p)");
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_(" -w # suppress warning messages");
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_(" -y # like -v, but omit announcing up-to-date targets");
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_("");
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_(" --help # display help");
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_(" --dry-run # show what commands would run");
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#undef _
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}
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std::string &lowercase(std::string &s) {
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std::transform(std::begin(s), std::end(s), std::begin(s), std::tolower);
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return s;
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}
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std::unordered_map<std::string, std::string> environment;
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std::unordered_map<std::string, std::function<int(const std::vector<std::string> &)>> builtins;
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/*
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* 0 = active
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* 1+ = nesting level.
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*/
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unsigned if_status = 0;
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/* true/false if true condition encountered at this level */
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std::vector<unsigned> if_stack;
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int builtin_set(const std::vector<std::string> &argv) {
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// Set name value
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bool active = if_status == 0;
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print_command(argv, active);
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if (!active) return 0;
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if (argv.size() != 3) return 1;
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std::string key = argv[1];
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std::string value = argv[2];
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// lower-case key...
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lowercase(key);
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// c++17 has insert_or_assign
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environment[std::move(key)] = std::move(value);
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return 0;
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}
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bool evaluate(const std::vector<std::string> &v)
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{
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return false;
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}
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int builtin_if(const std::vector<std::string> &argv) {
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/*
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* if expression
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* ...
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* [else if expression]
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* [else]
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* end
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*/
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bool active = (if_status == 0);
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print_command(argv, active);
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if (if_status) {
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if_stack.push_back(false);
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++if_status;
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return 0;
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}
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// todo... actually evaluate expression.
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bool ok = evaluate(argv);
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if_stack.push_back(ok);
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if (!ok) ++if_status;
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return 0;
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}
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int builtin_else(const std::vector<std::string> &argv) {
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// else
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// else if ....
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print_command(argv, if_status < 2);
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if (if_stack.empty()) {
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fprintf(stderr, "ELSE without IF\n");
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return -1;
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}
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unsigned &processed = if_stack.back();
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// best case -- entire if/else/end stmt is inactive.
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if (if_status > 1) {
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return 0;
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}
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// second best case -- a true condition has already been found.
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if (processed) {
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if_status = 1;
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return 0;
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}
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// third case -- evalute a naked else
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if (argv.size() == 1) {
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processed = true;
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if_status = 0;
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return 0;
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}
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// fourth case -- evaluate and else if
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bool ok = evaluate(argv);
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if (ok) {
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processed = true;
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if_status = 0;
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return 0;
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} else {
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if_status = 1;
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return 0;
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}
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}
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int builtin_end(const std::vector<std::string> &argv) {
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print_command(argv, if_status < 2);
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if (if_stack.empty()) {
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fprintf(stderr, "END without IF\n");
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return 1;
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}
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if_stack.pop_back();
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if (if_status) {
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--if_status;
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}
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return 0;
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}
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int builtin_echo(const std::vector<std::string> &argv) {
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// echo [-n] ...
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bool active = (if_status == 0);
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print_command(argv, active);
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if (!active) return 0;
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if (dry_run) return 0;
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bool n = false;
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bool printed = false;
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for (auto iter = argv.begin() + 1; iter != argv.end(); ++iter) {
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const std::string &s = *iter;
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if (s.length() == 2 && s == "-n") {
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n = true;
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continue;
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}
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if (printed) fputs(" ", stdout);
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fputs(s.c_str(), stdout);
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printed = true;
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}
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if (!n) fputs("\n", stdout);
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return 0;
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}
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void launch_make(std::vector<char *> &argv) {
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int ok;
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if (argv.empty() || argv.back() != nullptr)
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argv.push_back(nullptr);
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ok = execvp(argv.front(), argv.data());
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perror("execvp: ");
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exit(EX_OSERR);
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}
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void print_command(const std::vector<char *> &argv, bool active) {
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if (!active) printf("# ");
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for (auto cp : argv) {
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if (cp) printf("%s ", cp);
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}
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printf("\n");
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}
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void print_command(const std::vector<std::string> &argv, bool active) {
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if (!active) printf("# ");
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for (const auto &cp : argv) {
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printf("%s ", cp.c_str());
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}
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printf("\n");
|
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}
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|
||||
|
||||
|
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int launch_command(std::vector<char *> &argv) {
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|
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int pid;
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|
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// parse command-line
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// launch command.
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// wait for a return status.
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//puts(cmd.c_str());
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bool active = (if_status == 0);
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print_command(argv, active);
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|
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if (!active) return 0;
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if (dry_run) {
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printf("\n");
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return 0;
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}
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||||
|
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pid = fork();
|
||||
if (pid < 0) {
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||||
perror("fork: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
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|
||||
if (pid == 0) {
|
||||
execvp(argv.front(), argv.data());
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perror("execvp: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
|
||||
for(;;) {
|
||||
int status;
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||||
pid_t ok;
|
||||
ok = waitpid(pid, &status, 0);
|
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if (ok < 0) {
|
||||
if (errno == EINTR) continue;
|
||||
perror("waitpid:");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
printf("\n");
|
||||
|
||||
if (WIFEXITED(status)) return WEXITSTATUS(status);
|
||||
if (WIFSIGNALED(status)) return -1;
|
||||
fprintf(stderr, "waitpid - unexpected result\n");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
int launch_command(const std::vector<std::string> &argv) {
|
||||
|
||||
|
||||
if (argv.empty()) return 0;
|
||||
|
||||
std::string cmd = argv[0];
|
||||
lowercase(cmd);
|
||||
auto iter = builtins.find(cmd);
|
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if (iter != builtins.end()) return iter->second(argv);
|
||||
|
||||
std::vector<char *> cargv;
|
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cargv.reserve(argv.size()+2);
|
||||
|
||||
|
||||
// convert to char * for exec, add "mpw", and remove blanks.
|
||||
|
||||
cargv.push_back(strdup("mpw"));
|
||||
for (const auto &s : argv) {
|
||||
if (!s.empty()) cargv.push_back(strdup(s.c_str()));
|
||||
}
|
||||
|
||||
// and 0-terminate.
|
||||
cargv.push_back(nullptr);
|
||||
|
||||
int rv = launch_command(cargv);
|
||||
std::for_each(cargv.begin(), cargv.end(), free);
|
||||
return rv;
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
||||
int pipes[2];
|
||||
int ok;
|
||||
int child;
|
||||
|
||||
#if 0
|
||||
builtins.emplace("if", builtin_if);
|
||||
builtins.emplace("end", builtin_end);
|
||||
builtins.emplace("else", builtin_else);
|
||||
builtins.emplace("set", builtin_set);
|
||||
#endif
|
||||
builtins = {
|
||||
{"if", builtin_if},
|
||||
{"end", builtin_end},
|
||||
{"else", builtin_else},
|
||||
{"set", builtin_set},
|
||||
{"echo", builtin_echo},
|
||||
};
|
||||
|
||||
std::vector<char *>new_argv;
|
||||
new_argv.push_back((char *)"mpw");
|
||||
new_argv.push_back((char *)"Make");
|
||||
|
||||
|
||||
|
||||
|
||||
//new_argv.insert(new_argv.end(), argv + 1, argv + argc);
|
||||
|
||||
// filter out --help and --dry-run
|
||||
|
||||
std::copy_if(argv + 1, argv + argc, std::back_inserter(new_argv),
|
||||
[](char *cp){
|
||||
if (strcmp(cp, "--help") == 0) {
|
||||
help();
|
||||
exit(0);
|
||||
return false;
|
||||
}
|
||||
if (strcmp(cp, "--dry-run") == 0) {
|
||||
dry_run = true;
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
);
|
||||
|
||||
|
||||
ok = pipe(pipes);
|
||||
if (ok < 0) {
|
||||
perror("pipe: ");
|
||||
}
|
||||
|
||||
child = fork();
|
||||
if (child < 0) {
|
||||
perror("fork: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
|
||||
if (child == 0) {
|
||||
// child.
|
||||
//close(STDIN_FILENO);
|
||||
//close(STDOUT_FILENO);
|
||||
//close(STDERR_FILENO);
|
||||
|
||||
ok = dup2(pipes[1], STDOUT_FILENO);
|
||||
if (ok < 0) {
|
||||
perror("dup2: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
close(pipes[0]);
|
||||
close(pipes[1]);
|
||||
|
||||
launch_make(new_argv); // no return.
|
||||
exit(0);
|
||||
}
|
||||
|
||||
// parent process.
|
||||
// read commands from pipe[0] and execute them.
|
||||
// 0xb6 is a line continuation marker.
|
||||
//int fd = pipes[0];
|
||||
|
||||
/*
|
||||
FILE *f = fdopen(pipes[0], "r");
|
||||
if (!f) {
|
||||
perror("fdopen: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
*/
|
||||
close(pipes[1]);
|
||||
|
||||
// prevent children from inheriting the pipe fd.
|
||||
fcntl(pipes[0], F_SETFD, FD_CLOEXEC);
|
||||
|
||||
ok = parse_makefile(pipes[0]);
|
||||
close(pipes[0]);
|
||||
|
||||
|
||||
// return any error from make itself.
|
||||
for(;;) {
|
||||
int status;
|
||||
int ok = waitpid(child, &status, 0);
|
||||
if (ok < 0) {
|
||||
if (errno == EINTR) continue;
|
||||
perror("waitpid: ");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
|
||||
if (WIFEXITED(status)) {
|
||||
ok = WEXITSTATUS(status);
|
||||
if (ok) exit(ok);
|
||||
break;
|
||||
}
|
||||
if (WIFSIGNALED(status))
|
||||
exit(1);
|
||||
|
||||
fprintf(stderr, "waitpid - unexpected result\n");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
|
||||
return ok ? 2 : 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user