mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 05:01:26 +00:00
e8680d792e
Scheme program errors without making Rua abort now, although there are a few things that still need to actually report errors instead of failing in weird ways.
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
#include "Parser.h"
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#include "Nil.h"
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#include "Cons.h"
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#include "Lambda.h"
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#include "defs.h"
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#include "qfile.h"
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#include "string.h"
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#include "builtins.h"
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#include "Compiler.h"
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#include "Machine.h"
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#include "CompiledCode.h"
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string readfile (string filename)
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{
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local string acc = "", res;
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local QFile file = Qopen (filename, "r");
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while (!Qeof (file)) {
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acc += Qgetline (file);
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}
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Qclose (file);
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res = str_new();
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str_copy(res, acc);
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return res;
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}
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integer main (integer argc, string []argv)
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{
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local Parser parser;
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local CompiledCode code;
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local Compiler comp;
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local Machine vm;
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local Lambda lm;
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local SchemeObject stuff, res;
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if (argc < 1) {
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return -1;
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}
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//traceon();
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parser = [Parser newFromSource: readfile(argv[1]) file: argv[1]];
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vm = [Machine new];
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[vm makeRootCell];
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[parser makeRootCell];
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builtin_addtomachine (vm);
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while ((stuff = [parser read])) {
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if ([stuff isError]) {
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printf(">> %s: %i\n", [stuff source], [stuff line]);
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printf(">> Error (%s): %s\n", [stuff type], [stuff message]);
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return -1;
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}
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comp = [Compiler newWithLambda: cons ([Symbol forString: "lambda"],
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cons ([Nil nil],
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cons(stuff, [Nil nil])))
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scope: NIL];
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code = (CompiledCode) [comp compile];
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if ([code isError]) {
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printf(">> %s: %i\n", [code source], [code line]);
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printf(">> Error (%s): %s\n", [code type], [code message]);
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return -1;
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}
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lm = [Lambda newWithCode: code environment: NIL];
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[lm invokeOnMachine: vm];
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res = [vm run];
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if ([res isError]) {
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printf(">> %s: %i\n", [res source], [res line]);
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printf(">> Error (%s): %s\n", [res type], [res message]);
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return -1;
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}
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[vm reset];
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}
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[SchemeObject finishCollecting];
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return 0;
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}
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