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69 Commits

Author SHA1 Message Date
Jesse D. McDonald ffb8e8f86d Separate statistics for Gen-0 vs. Gen-1 garbage collection. 2012-07-14 13:43:17 -05:00
Jesse D. McDonald 0a6d2f3f73 Control printing of GC stats with GC_STATS env. var rather than #if 0/1. 2012-07-14 13:43:16 -05:00
Jesse D. McDonald 7a651dc9d1 Update main app to use new gc_init() prototype w/ separate Gen-0 size. 2012-07-14 13:43:15 -05:00
Jesse D. McDonald 632ac19adf Make Gen-0 size semi-independent of Gen-1 minimum size. 2012-07-14 13:43:14 -05:00
Jesse D. McDonald 7f55142d72 Fix several significant bugs in the generational collector. 
No known issues remaining at this time.
 2012-07-14 13:43:10 -05:00
Jesse D. McDonald 311a4c2d55 Don't include gc_poison_region in non-debug builds. 2012-07-14 13:43:09 -05:00
Jesse D. McDonald 12b5976b66 Fix a bug which was cryptically preventing Gen-1 size from increasing. 2012-07-14 13:43:07 -05:00
Jesse D. McDonald 7fb083a5f9 Generational GC. Initial version, may be buggy. 2012-07-14 13:43:05 -05:00
Jesse D. McDonald 075cbac672 Remove some unnecessary write barriers for better performance. 2012-07-14 13:43:04 -05:00
Jesse D. McDonald 32952e9aa4 Add (empty) write barriers in preparation for more advanced GC. 2012-07-14 13:43:03 -05:00
Jesse D. McDonald da93d60cfd Adjust build script to capitalize HAVE_MOD_* macros. 2012-07-14 13:43:01 -05:00
Jesse D. McDonald e8d1a2fa40 Minor performance-related changes. 2012-07-14 13:43:00 -05:00
Jesse D. McDonald 8ca34f40ec Add a bytecode which returns the type of a given structure. 2012-07-14 13:42:59 -05:00
Jesse D. McDonald 62e2095f31 Add standard build targets (distclean, realclean, install, uninstall). 2012-07-14 13:42:54 -05:00
Jesse D. McDonald 06679a2790 Ignore dependency (*.d) files. 2012-07-14 13:42:51 -05:00
Jesse D. McDonald ca8d68c023 Add automatic dependency tracking to the build rules. 
Move optional extension modules (e.g. mod_io.c) into mods/ subdir.
Fix missing #include in reader.c.
 2012-07-14 13:42:30 -05:00
Jesse D. McDonald baa2dae345 Rearrange example programs based on new modularity feature. 2012-07-14 13:42:18 -05:00
Jesse D. McDonald ec306ef31f Adjust indirect form (#i"path") to be relative to the current file. 2012-07-14 13:42:16 -05:00
Jesse D. McDonald 6254044280 Add #i"pathname" syntax for reading values from modular input files. 2012-07-14 13:42:14 -05:00
Jesse D. McDonald ea9b1734fd Improve trace output, for debugging. 2012-07-14 13:42:12 -05:00
Jesse D. McDonald 601aa9db67 Re-write factorial.rla to be closer to what a compiler should generate. 2012-07-14 13:42:10 -05:00
Jesse D. McDonald 5e36910eab Rewrite cat.rla to be closer to what a compiler should generate. 2012-07-14 13:42:08 -05:00
Jesse D. McDonald 8f263daffc Add a reserved input code for 'self', the current lambda. 
Correct an error in the documentation for the condition bytecode(s).
Adjust the printer to limit the depth of non-cyclic object output.
 2012-07-14 13:42:04 -05:00
Jesse D. McDonald e18863c3ad Simplify number reader; eliminates potentially invalid double-ungetc(). 2012-07-14 13:42:00 -05:00
Jesse D. McDonald 307ed97b45 Rename "core-image.rla" now that there are two such images. 2012-07-14 13:41:56 -05:00
Jesse D. McDonald 912a620c5a Add some error-handling to cat.rla. Add support for #! lines. 
Also fix an off-by-one error in the column counter and suppress GC stats.
 2012-07-14 13:41:52 -05:00
Jesse D. McDonald ce3c4f1ce9 Increase block size in cat.rla. Print GC stats to stderr. 2012-07-14 13:41:49 -05:00
Jesse D. McDonald 0e62641919 Check in a second program, this time demonstrating basic I/O. 
Also filter cycles and long byte-strings from print_value() output.
Added three new bytecodes to get the sizes of vectors, strings, and structs.
 2012-07-14 13:41:37 -05:00
Jesse D. McDonald c1a0850bcf Add builtin wrappers for the basic POSIX file APIs. 2012-07-14 13:41:00 -05:00
Jesse D. McDonald b74f0cddda Adjust number-reader to allow 'negative zero' FP values. 
Also add builtins for NaN and +/- infinity, and bytecodes for classification.
 2012-07-14 13:40:52 -05:00
Jesse D. McDonald aa461c8574 Add basic support for reading floating-point values. 
No guarantees are made as to the precision.
 2012-07-14 13:40:50 -05:00
Jesse D. McDonald bc10f59c6e Allocate space for max. number of frame variables up front. 
Allows us to avoid reallocating a new vector after every tail-call.
 2012-07-14 13:40:47 -05:00
Jesse D. McDonald 6a12d967ef If hard limit is exceeded, try to allocate more memory from the OS. 
Reduce initial allocation to 1 MB now that it can by increased at runtime.
Also remove 'noreturn' attribute from the public API.
If out_of_memory() returns, GC will abort() internally.
 2012-07-14 13:40:40 -05:00
Jesse D. McDonald 88ebc7ca77 Print results individually, on separate lines, rather than as a list. 2012-07-14 13:40:34 -05:00
Jesse D. McDonald c1ac1323bf Check for errors when opening program file. 
Add a debug assertion in the reader to catch bugs like the last one.
 2012-07-14 13:40:29 -05:00
Jesse D. McDonald 8e34feea0b Fix an order-of-operations bug in finalize_placeholders(). 
The bug would have prevented the resolution of multiple levels of links.
 2012-07-14 13:40:24 -05:00
Jesse D. McDonald 9f0dc52934 Improve number-reading in preparation for supporting floating-point. 2012-07-14 13:40:21 -05:00
Jesse D. McDonald 902c489b90 Resolve all placeholders before patching. Allows direct links (#0=#=0). 
Definitions and references can be made in any order.
Cyclic placeholders resolve to #<undefined>, as do ones without definitions.
 2012-07-14 13:40:17 -05:00
Jesse D. McDonald 48eb22d15b Update reader to fix corner-cases in the placeholder/back-reference system. 2012-07-14 13:40:16 -05:00
Jesse D. McDonald fb248d9235 Add a formal public-domain dedication so that others can use this. 2012-07-14 13:40:14 -05:00
Jesse D. McDonald 0404777049 Fix interaction between comments and whitespace in the reader. 
Add support for fixnums in binary (0b), octal (0), and hexadecimal (0x).
Minor changes to the example input program to improve readability.
 2012-07-14 13:40:11 -05:00
Jesse D. McDonald 861f1f7617 Commit first working Rosella program. 
Takes a string argument, converts it with string->number, and returns the factorial.
 2012-07-14 13:40:06 -05:00
Jesse D. McDonald c01f0838f1 Misc. reader improvements, plus ability to run *.rla directly. 
Fix tree_replace() to handle recursive data structures.
Fix some other minor bugs in the reader and interpreter.
Implement comment-escapes in the string parser, for more readable input.
Allow input program files (*.rla) to be invoked directly, with arguments.
Add a simple string->number converter as a builtin function.
 2012-07-14 13:38:48 -05:00
Jesse D. McDonald 53b1cc213b Skip reader test by default to allow profiling. 2012-07-14 13:38:47 -05:00
Jesse D. McDonald 439491a80e Support negative fixnums in input, and perform some extra validation. 2012-07-14 13:38:45 -05:00
Jesse D. McDonald 449b0cf478 Implement fixed-function reader for getting data into the interpreter. 2012-07-14 13:38:44 -05:00
Jesse D. McDonald 10fbc269c5 Implement the remaining bytecodes. Adjust some of the numbering. 
Also, use #<undefined> for "not yet initialized" and #f for "no value".
 2012-07-14 13:38:40 -05:00
Jesse D. McDonald 61e0583932 Implement bytecode, other than floating-point operations. 2012-07-14 13:38:38 -05:00
Jesse D. McDonald d1dcb77503 Update printer to display 'undefined' values as "#<undefined>". 2012-07-14 13:38:37 -05:00
Jesse D. McDonald 56a67a263d Add an 'undefined' value and a function to convert booleans into values. 2012-07-14 13:38:36 -05:00