From a0990a9e820571bc1d490dc3ab8f17513d75c18c Mon Sep 17 00:00:00 2001
From: Frederik Hennig <frederik.hennig@fau.de>
Date: Mon, 28 Oct 2024 12:14:08 +0100
Subject: [PATCH] More helpful error messages
---
src/pystencils/backend/ast/structural.py | 2 +-
src/pystencils/backend/emission.py | 10 +++++++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/pystencils/backend/ast/structural.py b/src/pystencils/backend/ast/structural.py
index e2f202f65..3ae462c41 100644
--- a/src/pystencils/backend/ast/structural.py
+++ b/src/pystencils/backend/ast/structural.py
@@ -320,7 +320,7 @@ class PsPragma(PsLeafMixIn, PsEmptyLeafMixIn, PsAstNode):
Example usage: ``PsPragma("omp parallel for")`` translates to ``#pragma omp parallel for``.
Args:
- text: The pragmas text, without the ``#pragma``.
+ text: The pragma's text, without the ``#pragma``.
"""
__match_args__ = ("text",)
diff --git a/src/pystencils/backend/emission.py b/src/pystencils/backend/emission.py
index e976159cf..6196d69be 100644
--- a/src/pystencils/backend/emission.py
+++ b/src/pystencils/backend/emission.py
@@ -50,11 +50,13 @@ from .ast.expressions import (
PsLt,
PsGe,
PsLe,
- PsSubscript
+ PsSubscript,
+ PsBufferAcc,
)
from .extensions.foreign_ast import PsForeignExpression
+from .exceptions import PsInternalCompilerError
from .memory import PsSymbol
from ..types import PsScalarType, PsArrayType
@@ -386,6 +388,12 @@ class CAstPrinter:
foreign_code = node.get_code(self.visit(c, pc) for c in children)
pc.pop_op()
return foreign_code
+
+ case PsBufferAcc():
+ raise PsInternalCompilerError(
+ f"Unable to print C code for buffer access {node}.\n"
+ f"Buffer accesses must be lowered using the `LowerToC` pass before emission."
+ )
case _:
raise NotImplementedError(f"Don't know how to print {node}")
--
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