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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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Report the function and its header line, then throw, instead of silently
returning zero. FUNCTION MAIN keeps its implicit result.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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A variadic EXTERN call is now arranged by clang per call, from the fixed
parameter count and the promoted argument types. C-struct records pass
unchanged in variadic positions, as C11 6.5.2.2p6-7 and 7.16.1.1p2
allow; a record that is not a C struct names the offending field.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Every EXTERN "C" signature is now arranged by clang's CodeGen
(arrangeFreeFunctionCall) for the host triple and applied by one generic
lowering routine, replacing the hand-written signext/zeroext rule.
clangCodeGen is linked statically into CPSCodeGen. Records still cross
only through pointer types, so generated code is unchanged.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Move the copy-constructor, operator, MAIN OVERLOAD and reserved, builtin,
enum and type name checks at the start of emitPrototype into a private
validatePrototype helper.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Make getLLVMType and the link-name emitCall overload private, inline the
single-use GenerateCall helper into that overload, and drop the argument
setName calls in createArgumentAllocas that repeat the names emitPrototype
already assigned. The undefined-function diagnostic stays: a link name can
be shadowed by another module global (e.g. FUNCTION stderr).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Drop the never-read StackObject::IsCopy flag and registerStackObject
parameter, the unused NewExprAST forward declaration, the unused Ret
parameter of FunctionGen::emitReturn and CG parameter of
ArrayHandler::loadElement, unused <cstdio> includes, and the
coerceValueToType early returns already covered by the exact LLVM type
check (builtin kinds always map to double/i64/i1/i8).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Lexer, parser, driver and codegen diagnostics now read
"<path>:<line>: error: <message>" instead of "error: <message> at line N
in <path>". The path is always printed as given on the command line.
Call sites pass the bare message to cps::sourceError/sourceWarning, which
carry printf format checking; reportError routes through the same helper.
The suite iii harness parses the new layout and matches the reason
against the message only. iii/template-class-pack-field passed only
because its reason regex matched the case path, so it is now
case-insensitive.
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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Variadic arguments must be C values and receive C default argument
promotions; narrow integer parameters carry sign/zero extension.
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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Reject builds without an entry program and duplicate cross-file definitions.
Preserve source order for each unit's own constants and import visible exports.
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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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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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Add TRY/CATCH/ENDTRY and anonymous THROW statements. Use LLVM exception
handling and the C++ ABI to propagate exceptions across function calls,
clean up catch state, and handle uncaught exceptions at the program boundary.
Register exception runtime symbols for the statically linked embedded runner.
Verify runtime checks, nested catches, returns, loops, and invalid syntax
with smoke programs; exercise unwinding with MCJIT, lli, and native binaries.
BREAKING CHANGE: Runtime check failures now throw anonymous exceptions and
print only a generic message when uncaught. Native binaries require linking
the C++ runtime.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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- Parameter syntax lands end-to-end: ARRAY OF T (rank 1, bounds travel
with the argument) and ARRAY[l:u,...] OF T (any rank, literal bounds as
a checked contract). Element type and rank must match exactly.
- Flattened ABI: each rank-R array parameter becomes a data pointer plus
kBoundArgsPerDim i64 bounds per dimension. The callee rebuilds
ArrayMetadata from those bounds (ArrayHandler::bindArrayParameter via a
binder callback injected by CodeGen, so FunctionGen stays ignorant of
the array subsystem); the checked-indexing pipeline is reused unchanged.
- BYVAL (the CIE default) copies the whole buffer at callee entry
(malloc+memcpy, never freed — consistent with the string policy) so
callee writes stay invisible; BYREF binds the caller's buffer.
- Bounded-parameter contract: compile-time comparison when the caller's
bounds are constants, else a runtime [Fatal] check
(RuntimeCheck::emitArrayArgBoundsCheck).
- marshalCallArgs gains the array branch and a call-site line number
(CallStmtAST now carries one); whole-array-to-scalar keeps a clear
error, FUNCTION RETURNS ARRAY is a dedicated parse error.
- Verified: BYREF fill/sort-style mutation, BYVAL copy invisibility,
2-D bounded params, ARRAY OF <record> with field writes through the
parameter, bounds-contract mismatches at compile time and run time.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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- Reserve TYPE/ENDTYPE/SET/DEFINE (-600 token block); SET/DEFINE parse to
dedicated not-implemented errors (RANDOM precedent).
- New TypeAST.h: enum/pointer/record decl nodes, designator chain
(DesignatorExprAST + Index/Field/Deref accessors), AddrOfExprAST,
DesignatorAssignStmtAST. Bare-name and single-index shapes degrade to
their legacy nodes, so existing programs produce identical ASTs.
- ParserType.cc: TYPE declarations (top-level only, enforced via a
ParseBlock depth counter), DECLARE-only record bodies with local
field-level error recovery.
- Postfix [ ] . ^ chain in ParseIdentifierExpr; prefix ^ (address-of,
designator operand only) in ParseUnary; assignment targets rebuilt on
the same suffix parser.
- Parameters: ParamDecl{name, type, mode, array rank/bounds} replaces the
(name, type, byref) tuple. Pass mode is sticky across parameters and
BYREF is rejected in FUNCTIONs, both per guide §8.3 (the old per-param
reset made the guide's own SWAP example pass Y by value). ARRAY OF T /
ARRAY[l:u,...] OF T parameter syntax parses; codegen rejects it until
the parameter-passing phase lands.
- CodeGen stubs report clear not-implemented errors for the new nodes so
nothing is silently ignored.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Integer/Real/Boolean/CharHandler carried only five one-line LLVM API
wrappers (now inlined at their call sites in CodeGen.cc) plus dead
emitDeclare methods that violated the documented two-table lock-step
invariant. StringHandler::emitDeclare (also dead) and its NamedValues
reference go too.
With the dead writers gone, NamedValues held no information not already
in Symbols[].Storage, so the parallel map is removed: getNamedValue
reads Symbols, ArrayHandler/FunctionGen take one table, and function
bodies save/restore a single map. Behavior unchanged.
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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- MID/RIGHT/LEFT integer args now coerced at call sites (RIGHT(s, n/2)
no longer emits invalid IR); drop emitLeft's private conversion
- FOR loop direction decided at run time via select on STEP sign;
descending FOR works, STEP evaluated once per iteration
- ArrayHandler: extract emitCheckedIndices/loadElement; index count is
validated before emission, fixing a compiler-crash (vector OOB UB) on
OUTPUT with too many indices
- Error contract: Lexer/Parser/CodeGen track errors; all silent failure
paths now print Error: diagnostics with line numbers; unterminated
char literal no longer truncates the rest of the program; module is
verified with verifyModule; driver exits non-zero on any error
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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