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a major refactoring in the C and the Haskell runtimes. Note incompatible change in the PGF format!!!

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The following are the outcomes:

   - Predef.nonExist is fully supported by both the Haskell and the C runtimes

   - Predef.BIND is now an internal compiler defined token. For now
     it behaves just as usual for the Haskell runtime, i.e. it generates &+.
     However, the special treatment will let us to handle it properly in 
     the C runtime.

   - This required a major change in the PGF format since both 
     nonExist and BIND may appear inside 'pre' and this was not supported
     before.
This commit is contained in:
kr.angelov
2013-09-27 15:09:48 +00:00
parent 3f65253f0e
commit efa4bc4d62
30 changed files with 332 additions and 372 deletions
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14
src/runtime/python/pypgf.c
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@@ -1518,17 +1518,13 @@ typedef struct {
} PgfBracketLznState;
static void
pgf_bracket_lzn_symbol_tokens(PgfLinFuncs** funcs, PgfTokens* toks)
pgf_bracket_lzn_symbol_token(PgfLinFuncs** funcs, PgfToken tok)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
size_t len = gu_seq_length(toks);
for (size_t i = 0; i < len; i++) {
PgfToken tok = gu_seq_get(toks, PgfToken, i);
PyObject* str = gu2py_string(tok);
PyList_Append(state->list, str);
Py_DECREF(str);
}
PyObject* str = gu2py_string(tok);
PyList_Append(state->list, str);
Py_DECREF(str);
}
static void
@@ -1600,7 +1596,7 @@ pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, int lindex,
}
static PgfLinFuncs pgf_bracket_lin_funcs = {
.symbol_tokens = pgf_bracket_lzn_symbol_tokens,
.symbol_token = pgf_bracket_lzn_symbol_token,
.expr_literal = pgf_bracket_lzn_expr_literal,
.begin_phrase = pgf_bracket_lzn_begin_phrase,
.end_phrase = pgf_bracket_lzn_end_phrase