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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Describe -no-std, C_STRING literals, library function semantics and
owning string lifetimes in the manuals and contributor guidance.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Add fixed cases for every supported operator, imported global and member
operators, CASE comparisons, and declared result type errors. Document
syntax, exact matching, access rules and temporary receiver lifetimes.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Runtime check messages and the unhandled-exception message were printed
to stdout by the generated program, so `cpsc x.cps -r >out.txt` captured
them. They are now formatted with snprintf and written with write(2).
Test expectations and docs are updated accordingly.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Document INCLUDE visibility, primitive GLOBAL variables and MAIN entry rules,
and highlight the new keywords in the editor grammar.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Allocate at least one byte for method-only classes so their heap addresses
remain usable through pointers. Complete constructor diagnostics, field-order
and exception coverage, document construction and rebinding, and highlight NEW.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Windows runner failures are fixed and nightly CI is green on Linux,
Windows and macOS.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Use standard WHILE headers and default-public class fields, resolve
pseudocode identifiers without case sensitivity, and check signed i64
literal boundaries before conversion. Preserve source locations across
recursive emission and function diagnostics.
Add 22 regression cases and update compiler examples and documentation.
Validated all 69 CTest entries with the original Linux Actions seed and
verified the release package's embedded, native and IR output paths.
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Run all three suites on Linux, macOS and Windows with the push SHA as
seed. Retain failure evidence and document the 12 existing failures,
pending human review and remaining coverage gaps.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Reuse historical runtime messages and source-line reporting for arithmetic,
array, enum, pointer and file checks while preserving anonymous exceptions.
Update the manuals and subsystem guidance to describe diagnostic output.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Size REAL buffers for the full fixed-point double range and bound writes with snprintf. Register MinGW CRT aliases for embedded execution.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Select the MINGW64 compiler executables with explicit Windows paths and
add version checks for installed Clang and downloaded LLVM packages.
Document Windows PATH requirements and platform-specific C++ driver names.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Update build and native-link examples, PATH version-check rules and LLVM
API guidance. Record Linux verification and retain the Windows/macOS
verification limits.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Add the TRY manual for CATCH, ENDTRY, and anonymous THROW. Update runtime
error descriptions, language links, and native linking examples; document
catch cleanup and embedded runtime integration in the architecture notes.
Verify manual generation, rendered output, relative links, and the TRY
example. Record Linux LLVM 18 validation and unverified Windows/macOS support.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Review findings (all reproduced, then fixed and re-verified):
- '^x' leaked as a raw address into any builtin context (s <- ^x printed
the variable's bytes as a C string; NOT ^x, '&', and ^x = ^x compiled).
Address-of is now rejected everywhere except a pointer-typed target.
- A whole-array variable passed the nominal gate as a value of its
ELEMENT type (s <- arrayOfSeason stored the raw data pointer; = on it
emitted invalid IR). Whole arrays are now rejected as operands and as
coercion sources; array parameters are unaffected.
- Enum values smuggled into INTEGER through array subscripts and DECLARE
bounds (a[Autumn], ARRAY[Spring:Winter]); both now go through
emitCoercedExpr like every other INTEGER context.
- An array DECLAREd inside an IF/WHILE/REPEAT/FOR body and used after the
block was a wild-pointer write (constant bounds) or a verifier dump
(runtime bounds). Arrays are now block-scoped: control-flow bodies
snapshot and restore the ArrayTable, so escape is a clean compile error.
- Duplicate parameter names silently shadowed (BYREF write-back defeated);
now a parse error. Trailing comma in parameter lists accepted; now a
parse error consistent with every other list.
- A variable/array/parameter/function could reuse a TYPE name; reserved.
- RETURN with a value inside a PROCEDURE was silently discarded (control
did not return); now an error, as is a bare RETURN in a FUNCTION.
- INPUT r.f mis-parsed into a three-error cascade; now one clear error.
- Assigning to an enum constant now says so instead of 'Unknown variable'.
Docs: ARCH/CONVENTIONS/EXTENDING/SUBSYSTEMS/PITFALLS rewritten for the
TYPE system (ABI additions, nominal-typing invariants, admission-gate
doors, array-parameter ABI, new recipes, new sharp edges); README
features/TODO updated — random files are unblocked.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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(OPENFILE/READFILE/WRITEFILE/CLOSEFILE/EOF)
Front end: OPENFILE/READFILE/WRITEFILE/CLOSEFILE plus reserved mode
keywords READ/WRITE/APPEND (RANDOM reserved with a dedicated
not-implemented error); statement nodes in new FileAST.h, parsing in new
ParserFile.cc; EOF joins the Builtins table as the 12th builtin and
CallExprAST now carries a line number for its runtime diagnostics.
Runtime: new FileHandler (StringHandler-shaped leaf) lazily synthesizes
internal __cps_file_* helper functions and a 16-slot open-file table
keyed by filename content (strcmp — STRING '=' is pointer identity).
EOF is an fgetc/ungetc peek; READFILE grows a malloc/realloc line buffer
and strips a trailing CR; fopen uses text modes so mingw-w64 line
translation works. File-free programs get byte-identical IR. All misuse
(not open, wrong mode, reopen, fopen failure, read past EOF, table full)
dies with the existing "[Fatal] line N:" pattern via a new
RuntimeCheck::emitErrorAndExit overload taking runtime printf args.
Also fixes a pre-existing ArithmeticHandler hole surfaced by adversarial
review: mixed-width integer operands (i1 BOOLEAN / i8 CHAR vs i64) now
widen via ZExt instead of emitting invalid IR, and remaining type
mismatches get a clean diagnostic; -EOF(f) and -IS_NUM(x) compile.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Confirmed by a 17-agent review pass over the refactor diff (12 findings
verified against the code and reproduced end-to-end):
- marshalCallArgs: BYREF arguments must match the declared parameter
type exactly (was: silent bit-reinterpretation, e.g. REAL passed to
BYREF INTEGER printed garbage with exit 0); whole-array arguments are
rejected (was: callee assignment smashed the array data pointer ->
runtime SIGSEGV)
- Null guards for CHR/LCASE/UCASE/IS_NUM/NUM_TO_STR/STR_TO_NUM/ASC
argument emission (was: compiler SIGSEGV on e.g. CHR(undeclared)),
matching the guards MID/RIGHT/LEFT already had
- ParseReturnStmt: propagate expression-parse failure (was: diagnostic
printed but exit 0) and recognize bare RETURN before
ENDWHILE/UNTIL/NEXT (was: bogus diagnostic on legal early return)
- emitPrototype rejects FUNCTION/PROCEDURE names that collide with
runtime/libc symbols (was: FUNCTION strlen silently hijacked the
string runtime; arity mismatch crashed createArgumentAllocas) or with
builtins (was: silently shadowed); conflicting redefinitions keep the
first signature
- FOR STEP is evaluated exactly once, before the loop (was: once per
iteration; the runtime-direction refactor had moved it to N+1)
- RETURN values are coerced to the declared return type via the
signature table (RETURN n in a RETURNS REAL function now compiles)
- '&' coerces its operands to STRING (CHAR/number operands work);
OUTPUT of a PROCEDURE call reports a clean error
AGENTS docs updated to match. All positive samples remain byte-identical
to the pre-refactor baseline.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Seven copy-pasted statement-block loops collapse into
ParseBlock(terminators); five comma-separated expression-list loops
collapse into ParseExprList(close, allowEmpty), which also fixes
"arr[1 2] <- x" being silently accepted as arr[1,2] on the statement
path. Error recovery now lives in one place: syncToStatementStart skips
to the next statement-start/block-end token, so a bad statement no
longer swallows the first token of the following good one. Drop the
dead -1000/-1001 token check in ParsePrototypeArgs.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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emitPrototype now records each FUNCTION/PROCEDURE's pseudocode signature
(FuncSig: return type + per-param type/BYREF flag). CodeGen::
marshalCallArgs replaces the two verbatim-duplicated marshalling blocks
and dispatches on the declared signature instead of inferring BYREF from
pointer-typed LLVM params: BYVAL STRING params now receive the string
data pointer (no more runtime garbage), and BYVAL args are coerced to
the declared type (INTEGER->REAL args no longer emit invalid IR).
Top-level prototypes are pre-registered in compile(), so calls may
precede definitions; GenerateCall no longer fabricates i64 externs for
unknown names - an unregistered callee is a compile error. OUTPUT
reports an error when it cannot infer the expression type instead of
printing with the INTEGER format.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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All 11 builtins now live in one static {Name, Arity, ReturnTypeName}
table in CodeGen.cc: emitExpr checks arity against it (uniform
"Error: X expects N args" diagnostics) and getExprTypeInfo reads return
types from it, removing the duplicated hard-coded table.
LENGTH/MID/RIGHT/LEFT/LCASE/UCASE lose their lexer tokens and
ParseStringBuiltin; they parse as ordinary identifier calls exactly like
ASC/CHR/IS_NUM/NUM_TO_STR/STR_TO_NUM already did. Behavior note: these
six names are no longer reserved words.
AGENTS docs updated for the new builtin story and the batch-1 error
contract (exit codes, verifyModule, fixed descending FOR).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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ARCH.md holds the overview (pipeline, build/run, layout); details are
split into CONVENTIONS.md, EXTENDING.md, SUBSYSTEMS.md and PITFALLS.md.
All claims were verified against the source, most also empirically by
compiling and running test programs.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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