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* wasm2c: simplify handling of templated code (#1940)Keith Winstein2022-07-111-8/+2
| | | Store templated wasm2c code as .h/.c; build templates on demand
* Improve wasm2c example update process. NFC (#1857)Sam Clegg2022-03-081-0/+1
| | | Followup to #1851.
* Use ninja cmake generator by default (#1146)Sam Clegg2021-04-041-1/+1
| | | | | I'm tempted to followup by removing the "Unix Makefile" support completely from the top level Makefile (users who really prefer that can still run cmake directly of course).
* Fix emscripten build; rebuild libwabt.js (#1583)Ben Smith2020-12-041-0/+1
| | | Not sure how this line got removed...
* Add tools to use LLVM's libFuzzer (#1507)Ben Smith2020-08-031-9/+5
| | | | This is useful for reproducing bugs found by oss-fuzz (see https://bugs.chromium.org/p/oss-fuzz/issues/list?q=wabt)
* Move documentation to docs/ directoryBen Smith2020-01-171-1/+1
| | | | It's easier to update than gh-pages
* Split run-unittests out as seperate target (#1255)Sam Clegg2019-12-031-1/+1
| | | | | | | | | | | | | | New `check` target now runs other. This allows for github actions to show unittests and system tests as separate steps. Also a couple of CMakeLists.txt cleanups: - Don't use add_definition to add `-fno-exceptions`, this is a C++-only flag. - Lowercase the name of the `sanitizer` function. - Remove opcode.def from list of library input file. On windows when building a DLL .def files are assumed to be windows DLL .def files, which this is not. This change is split out from #1250
* Add i686-clang build config (#1240)Sam Clegg2019-11-211-1/+5
| | | | We have an i686-gcc build already but it doesn't work on my local machine.
* Attempt to locate Emscripten if EMSCRIPTEN_DIR is not set (#1153)Daniel Wirtz2019-09-251-1/+1
| | | | | | * Attempt to locate emscripten if EMSCRIPTEN_DIR is not set * Remove previous
* Rewrite the lexer manually, instead of re2c (#1058)Ben Smith2019-04-031-8/+5
| | | | | The current lexer uses re2c. It easy to change, but it generates a huge amount of code, and it's easy to forgot to update it. This PR rewrites the lexer manually, and uses gperf instead to match keywords. The generated source is much smaller.
* Fix emscripten build (#855)Ben Smith2018-06-041-0/+4
| | | | | | | | | It's not correct to use `--pre-js` and `--post-js` to wrap the module in a function instance; instead we're supposed to use `-s MODULARIZE=1`. This still keeps the build as (almost) asm.js, as switching to wasm is a bit more work (we need to preload the wasm binary module). This fixes issue #853.
* Use templates for generating wasm2c source (#712)Ben Smith2018-01-101-0/+9
| | | | | | | | | | | | | | | | | | | | | This uses a very simple template syntax, without any advanced features: ``` %%top ... %%bottom ... ``` This template will generate output with two C strings: ``` const char SECTION_NAME(top)[] = ... ... const char SECTION_NAME(bottom)[] = ... ... ``` To update the generated files, run `make update-wasm2c`.
* Rename EMSCRIPTEN_DIR -> EMCC_DIR in Makefile (#597)Ben Smith2017-08-281-4/+4
| | | | | EMSCRIPTEN_DIR is meant to be the root directory to find the emscripten binaries, and EMCC_DIR is meant to be the name of the subdirectory under `out/` where emscripten build artifacts live.
* Rewrite parser as recursive descent (#591)Ben Smith2017-08-151-9/+5
| | | | | | | | | | | | | | | | | | * Remove Bison dependency * Remove pre-generated parser files * Rename build config from no-re2c-bison to no-re2c * Add a simple make_unique implementation * Move handling of module bindings into ir.cc * Simplify lexer - Remove lookahead, the parser handles this now - Unify Token/LexerToken, it only contains terminal values now - Refactor setting token type and value into one function (e.g. LITERAL, RETURN => RETURN_LITERAL) * New Parser - Uses two tokens of lookahead (use Peek(0) or Peek(1)) - Consume() consumes one token of any kind - Match(t) consumes the current token if it matches - PeekMatch(t) returns true iff the token matches, but doesn't consume - Basic error synchronization; plenty of room for improvement here
* Enable and fix warnings for re2c (#509)Ben Smith2017-06-191-1/+1
| | | | | | | * Fix argument parsing in FindRE2C to allow multiple flags * Condition enum must be generated by re2c * A couple of characters didn't need to be escaped: / and ^ * `<LINE_COMMENT> [^\n]*` allowed empty strings * `<*> [^]` conflicted with similar states in other conditions
* Use custom command to copy to bin/ (#502)Ben Smith2017-06-161-2/+2
| | | | | | | The last build will always be in the bin directory. This also means that `make install` will install to the "normal" place for that OS, e.g. `/usr/local/bin`. Fixes #495.
* Update testsuite; various lexing/parsing fixes (#482)Ben Smith2017-06-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Update testsuite; various lexing/parsing fixes Lexer changes: * Switch re2c parser to UTF-8 parser. This can almost be done "for free" with a flag, but required a bit of work to allow us to catch malformed UTF-8 as well. * Change the re2c fill value to 0xff, since it's never a valid UTF-8 byte. * Allow for more reserved tokens (basically any ascii aside from parentheses, double-quote, and semi-colon) * Remove "infinity" from lexer, only "inf" is allowed now. * Change definition of EOF token, it was implemented incorrectly. The correct way to handle it is to only return it from FILL when there is no more data to fill. * \r is a valid escape. Parser changes: * Changes to match the spec parser: - block signatures use (result <type>) syntax - func/global/table/memory can have multiple inline exports - inline imports are handled in func definition instead of import definition - allow for inline modules (i.e. no "(module ...)" s-expr required) * Remove FuncField. This was previously used for parsing params/results/locals, but it's less code to just parse right-recursive (i.e. backward) and insert everything at the front. This requires reversing the indexes in the BindingHash too. * Remove the nasty macros `APPEND_FIELD_TO_LIST`, `APPEND_ITEM_TO_VECTOR`, `APPEND_INLINE_EXPORT`, and `CHECK_IMPORT_ORDERING`. This behavior is all handled by `append_module_fields` now. * All inline imports/exports are handled by returning additional ModuleFields in a list. This removes the need for `OptionalExport`, `ExportedFunc`, `ExportedGlobal`, `ExportedTable`, and `ExportedMemory`. * Use "_opt" suffix instead of "non_empty_" prefix, e.g.: - text_list => text_list_opt, non_empty_text_list => text_list * The locations changed for some symbols, typically the use the name following the LPAR now, e.g. (import ^^^^^^ * Add PPA for re2c 0.16 * add -y to skip confirmation on travis
* Use + with $(MAKE) to use jobserver (#450)Ben Smith2017-05-231-1/+1
| | | | | | | | | | | | This allows you to run: ``` make -j10 ``` Without this, Make complains: make[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
* Add fuzzing helper scripts, fix fuzzing bugs (#416)Ben Smith2017-05-121-1/+1
| | | | | | | | | | | | | | | | | | | * Add fuzzing helper scripts, fix fuzzing bugs The fuzzing dictionary was old, so I updated it. Also, I've added some simple fuzzing shell scripts that make it a bit easier to run. Bug fixes: * Validate function index in local name section before calling callback. * Fix invalid assert in parse_{float,double}_infinity, which assumed that "infinity" is required (it could be "inf"). * Bail out of resolve local names if there is no current function (e.g. if attempting to resolve names in an elem offset expression). * Catch bad_alloc in wast2wasm and wasm2wast. Without this, afl-fuzz will see allocation failure as a crash. * disable exceptions by default, add option, wrap tools in try/catch
* Rename all occurences of AST (#413)Ben Smith2017-05-041-5/+5
| | | | | | | | | | * ast.{cc,h} => ir.{cc,h} * binary-reader-ast.{cc,h} => binary-reader-ir.{cc,h} * ast-writer.{cc,h} => wat-writer.{cc,h} Everything else changes ast => wast. When deciding between wast vs. wat, the wat format should only allow for a single module, without assertions.
* Fix emscripten demo and libwabt.js (#407)Ben Smith2017-04-251-1/+2
| | | | | | | | | | | | | | | | | | | | | This removes the more complicated emscripten wrapper we used before, in favor of something that is much simpler. * Remove the memory init file * Remove the onInputKey handling in the demo so it doesn't auto-indent (it was broken now that we have the flat syntax) * Simplify emscripten-helpers to provide very simple C-function wrappers around the wast2wasm API: * wabt_parse_ast * wabt_resolve_names_script * wabt_validate_script * wabt_write_binary_module The tricky part is that some functions return multiple values, so those are returned as structs as well: * WabtParseAstResult * WabtWriteBinaryModuleResult
* Add install target to Makefile (#355)Ben Smith2017-03-171-31/+29
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* Update CMake and Makefile to use .hh instead of .h (#330)Ben Smith2017-03-011-1/+1
| | | | | The built-in CMake rules look for an .hh file instead of a .h when building for C++. Without it, the build will always think that the generated parser is stale and rebuild it.
* Switch C files to CC files (#309)Ben Smith2017-02-231-4/+4
| | | | | | | | | | | | | | | | | Mostly this involves adding additional casts. Though there are a few more substantial changes: * The default method for relocating parser stacks no longer works because Bison assumes that C++ values can't be memcpy'd. Ours can, but there's no easy way to make the generated code do the right thing, so we do it manually * Removed all uses of WabtBool and replaced with bool * Renamed all uses of export and mutable -> export_ and mutable_ * Casting an invalid value to an enum triggers ubsan, so we have to be a little more careful about when we do it (see binary-reader.c:read_sections()) * It's illegal to forward-declare enums, so we just #include instead. * Designated initializers are not allowed in g++, so we have to switch them to lazily initialized structures instead. Pretty horrible, so it will be nice to have a better solution for C++.
* add gcc-debug-cov code coverage build (#303)Ben Smith2017-02-151-1/+4
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* Add support for linkable modules (#228)Sam Clegg2017-01-111-1/+1
| | | | | | | | | | | | | | This change adds support for writing wasm modules such that they are compatible with the proposed linking spec: https://github.com/WebAssembly/tool-conventions/blob/master/Linking.md Basically this means that wast2wasm will generate and extra 'reloc' sections and will pad any LEBs in the code section that might require relocation. This mode is activated by passing the -r flag to wast2wasm. Also, start work on wasm-link which should be able to link such modules together.
* Remove the "wasm-" prefix from source filesBen Smith2016-11-041-5/+5
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* wast-desugar: reformats and desugars a wast fileBen Smith2016-10-191-1/+2
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* Add wasmdump binary for inspecting wasm files (#161)Sam Clegg2016-10-121-1/+1
| | | | | | * Add wasmdump binary for inspecting wasm files Run this tool to as part of the 'dump' tests rather than using the -d flag to wast2wasm.
* Add wasmopcodecnt testsBen Smith2016-10-101-1/+1
| | | | | Also rename the last few places using SexprWasm, WasmWast. Make formatting a little nicer too.
* WIP - parser stuff compilesBen Smith2016-09-291-1/+1
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* PR for Rename sexpr-wasm binaries #100 (#102)Kwadwo 'Que' Amankwa2016-09-211-1/+1
| | | | | | | | | | | | | | | | | | * renamed sexpr-wasm to wast2wasm * renamed 'wasm-wast' binary to 'wasm2wast' * added commands to generate symlinks to renamed targets * fixed the issues causing the tests to break * fixed a name error in travis-test script * corrected repo name change int README * renamed binaries in two tests and added a platform check in CMake for symlink generation for UNIX only * reverted changes in test files due to breakage(for now)
* remove squirrel stuffBen Smith2016-09-061-1/+1
| | | | It was an interesting experiment, but it is not maintained or tested.
* move cmake options to the top of the fileBen Smith2016-05-031-6/+4
| | | | | Also make sanitizer builds into options, instead of just passing the flags through from the Makefile.
* ubsan should trap on errorBen Smith2016-05-021-1/+3
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* ubsan build, need to fix one bugBen Smith2016-05-021-2/+5
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* remove generation date from prebuilt re2c lexerBen Smith2016-04-281-1/+1
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* rename Lexer -> AstLexer, Parser -> AstParserBen Smith2016-04-281-5/+5
| | | | | This matches other files, and will be nicer if other lexers/parsers are added. Also remove some references to flex, and the flex lexer.
* lex using re2c instead of flexBen Smith2016-04-211-8/+8
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* emscripten build, w/ library bindingsBen Smith2016-04-171-2/+6
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* squirrel interpreter works for simple casesBen Smith2016-04-111-1/+1
| | | | It's pretty clunky though
* wasm interpreterBen Smith2016-04-021-1/+1
| | | | Works by generating an instruction stream for a simple stack machine.
* add afl-fuzzing setup again to MakefileBen Smith2016-04-011-2/+7
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* clean up Makefile and CMakeLists.txtBen Smith2016-04-011-62/+71
| | | | | Primarily this is moving the sanitizer builds out of CMakeLists.txt and into the Makefile. It's much cleaner this way.
* rename wasm-objdump -> wasm-wastBen Smith2016-03-211-1/+1
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* rebase of a bunch of early work on binary readingBen Smith2016-03-211-1/+1
| | | | | | | * basic reading works * update to latest binary format * read names section * use setjmp/longjmp for error handling
* Add options to build without GTest submoduleBen Smith2016-03-211-0/+2
| | | | This is used by the Wasm waterfall.
* Add options to build without GTest submoduleBen Smith2016-03-211-1/+8
| | | | | This is used by the Wasm waterfall. Also, rename the CMake "test" target to "run-tests", to avoid the nasty warning.
* add option to build using ninja CMake generatorBen Smith2016-03-201-6/+18
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* rewrite hexfloat_test w/ gtestBen Smith2016-03-191-3/+4
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