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#include <stdio.h>
#include <string.h>
#include "ast.h"
#include "dep.h"
#include "eval.h"
#include "exec.h"
#include "file.h"
#include "file_cache.h"
#include "fileutil.h"
#include "func.h"
#include "log.h"
#include "string_piece.h"
#include "strutil.h"
#include "var.h"
static const char* g_makefile;
static void ParseCommandLine(int argc, char* argv[],
vector<StringPiece>* targets) {
for (int i = 1; i < argc; i++) {
const char* arg = argv[i];
if (!strcmp(arg, "-f")) {
g_makefile = argv[++i];
} else if (arg[0] == '-') {
ERROR("Unknown flag: %s", arg);
} else {
targets->push_back(Intern(arg));
}
}
}
static void Init() {
InitSymtab();
InitFuncTable();
InitDepNodePool();
if (g_makefile == NULL) {
if (Exists("GNUmakefile")) {
g_makefile = "GNUmakefile";
} else if (Exists("makefile")) {
g_makefile = "makefile";
} else if (Exists("Makefile")) {
g_makefile = "Makefile";
} else {
ERROR("*** No targets specified and no makefile found.");
}
}
}
static void Quit() {
QuitDepNodePool();
QuitFuncTable();
QuitSymtab();
}
static int Run(const vector<StringPiece>& targets) {
MakefileCacheManager* cache_mgr = NewMakefileCacheManager();
Makefile* mk = cache_mgr->ReadMakefile(g_makefile);
// TODO: Fill env, etc.
Vars* vars = new Vars();
Evaluator* ev = new Evaluator(vars);
for (AST* ast : mk->asts()) {
LOG("%s", ast->DebugString().c_str());
ast->Eval(ev);
}
EvalResult* er = ev->GetEvalResult();
for (auto p : *er->vars) {
vars->Assign(p.first, p.second);
}
er->vars->clear();
vector<DepNode*> nodes;
MakeDep(er->rules, *vars, er->rule_vars, targets, &nodes);
Exec(nodes, vars);
delete er;
delete ev;
delete vars;
delete cache_mgr;
return mk != 0;
}
int main(int argc, char* argv[]) {
Init();
vector<StringPiece> targets;
ParseCommandLine(argc, argv, &targets);
int r = Run(targets);
Quit();
return r;
}
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