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Cope with preprocessor macro usage at the top level of the header.

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This workaround allows us to parse the Routes.h properly, although it
notably lacks support for multi-word unknown expressions.
This commit is contained in:
Jordan Bancino 2023-04-29 15:24:46 +00:00
parent a3cc06ff2a
commit 0b1b4a8b29
3 changed files with 8 additions and 3 deletions
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6
src/HeaderParser.c
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@ -651,9 +651,9 @@ HeaderParse(Stream * stream, HeaderExpr * expr)
} }
else else
{ {
expr->type = HP_SYNTAX_ERROR; /* Cope with preprocessor macro expansions at the top level. */
expr->data.error.msg = "Expected comment, typedef, or extern."; expr->type = HP_UNKNOWN;
expr->data.error.lineNo = expr->state.lineNo; strncpy(expr->data.text, word, HEADER_EXPR_MAX);
} }
Free(word); Free(word);

1
src/include/HeaderParser.h
View file

@ -57,6 +57,7 @@ typedef enum HeaderExprType
HP_TYPEDEF, HP_TYPEDEF,
HP_DECLARATION, HP_DECLARATION,
HP_GLOBAL, HP_GLOBAL,
HP_UNKNOWN,
HP_SYNTAX_ERROR, HP_SYNTAX_ERROR,
HP_PARSE_ERROR, HP_PARSE_ERROR,
HP_EOF HP_EOF

4
tools/src/hdoc.c
View file

@ -315,6 +315,10 @@ main(int argc, char **argv)
isDocumented = 0; isDocumented = 0;
} }
break; break;
case HP_UNKNOWN:
StreamPrintf(StreamStderr(), "Warning: Unknown expression: %s\n",
expr.data.text);
break;
default: default:
StreamPrintf(StreamStderr(), "Unknown header type: %d\n", expr.type); StreamPrintf(StreamStderr(), "Unknown header type: %d\n", expr.type);
StreamPrintf(StreamStderr(), "This is a programming error.\n"); StreamPrintf(StreamStderr(), "This is a programming error.\n");