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authorAndy Wingo <wingo@pobox.com>2016-05-22 18:16:19 +0200
committerAndy Wingo <wingo@pobox.com>2016-05-22 18:16:19 +0200
commitfd17cf9f72bcfc1832775c848e678e695d05dbd8 (patch)
treee5e5decb36b46cfa5e436bfb8882b2de9fd5bf91 /libguile/read.c
parenta4b06357f644c41188d4e3c555ff60c71631493f (diff)
downloadguile-fd17cf9f72bcfc1832775c848e678e695d05dbd8.tar.gz
Speed up port position access from Scheme
* libguile/ports-internal.h (scm_port_buffer_position): (scm_port_position_line, scm_port_position_set_line): (scm_port_position_column, scm_port_position_set_column): New helpers. (scm_t_port): Ports now hold position as a pair, so that Scheme can access it easily. (SCM_LINUM, SCM_COL, SCM_INCLINE, SCM_ZEROCOL, SCM_INCCOL) (SCM_DECCOL, SCM_TABCOL): Remove. * libguile/ports.c (make_port_buffer): Rename from scm_c_make_port_buffer, make static, and take port as an argument so we can initialize the position field. (initialize_port_buffers): Adapt make_port_buffer change. (scm_c_make_port_with_encoding): Initialize position. (update_port_position): Rename from update_port_lf, and operate on port position objects. (scm_ungetc): Operate on port position objects. (scm_setvbuf, scm_expand_port_read_buffer_x): Adapt to make_port_buffer change. (scm_lfwrite): Adapt to call update_port_position. (scm_port_line, scm_set_port_line_x, scm_port_column) (scm_set_port_column_x): Adapt to use port positions. * libguile/ports.h (scm_c_make_port_buffer): Remove internal decl. * libguile/read.c: Adapt to use scm_port_line / scm_port_column instead of SCM_LINUM et al. * module/ice-9/ports.scm (port-buffer-position, port-position-line) (port-position-column, set-port-position-line!) (set-port-position-column!): New accessors for the internals module. * module/ice-9/sports.scm (advance-port-position!): Rename from port-advance-position! and use the new accessors. (read-char, port-fold-chars/iso-8859-1): Adapt to use advance-port-position!.
Diffstat (limited to 'libguile/read.c')
-rw-r--r--libguile/read.c58
1 files changed, 33 insertions, 25 deletions
diff --git a/libguile/read.c b/libguile/read.c
index 3d2a7fde9..afad5975a 100644
--- a/libguile/read.c
+++ b/libguile/read.c
@@ -149,8 +149,8 @@ scm_i_input_error (char const *function,
scm_simple_format (string_port,
scm_from_locale_string ("~A:~S:~S: ~A"),
scm_list_4 (fn,
- scm_from_long (SCM_LINUM (port) + 1),
- scm_from_int (SCM_COL (port) + 1),
+ scm_sum (scm_port_line (port), SCM_INUM1),
+ scm_sum (scm_port_column (port), SCM_INUM1),
scm_from_locale_string (message)));
string = scm_get_output_string (string_port);
@@ -434,8 +434,8 @@ scm_read_sexp (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
: ')'));
/* Need to capture line and column numbers here. */
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
c = flush_ws (port, opts, FUNC_NAME);
if (terminating_char == c)
@@ -612,8 +612,8 @@ scm_read_string_like_syntax (int chr, SCM port, scm_t_read_opts *opts)
scm_t_wchar c, c_str[READER_STRING_BUFFER_SIZE];
/* Need to capture line and column numbers here. */
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
while (chr != (c = scm_getc (port)))
{
@@ -739,8 +739,8 @@ scm_read_number (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
size_t bytes_read;
/* Need to capture line and column numbers here. */
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
scm_ungetc (chr, port);
buffer = read_complete_token (port, opts, local_buffer, sizeof local_buffer,
@@ -759,7 +759,9 @@ scm_read_number (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
else if (SCM_NIMP (result))
result = maybe_annotate_source (result, port, opts, line, column);
- SCM_COL (port) += scm_i_string_length (str);
+ scm_set_port_column_x (port,
+ scm_sum (scm_port_column (port),
+ scm_string_length (str)));
return result;
}
@@ -796,7 +798,9 @@ scm_read_mixed_case_symbol (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
result = scm_string_to_symbol (str);
}
- SCM_COL (port) += scm_i_string_length (str);
+ scm_set_port_column_x (port,
+ scm_sum (scm_port_column (port),
+ scm_string_length (str)));
return result;
}
@@ -845,7 +849,9 @@ scm_read_number_and_radix (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
result = scm_string_to_number (str, scm_from_uint (radix));
- SCM_COL (port) += scm_i_string_length (str);
+ scm_set_port_column_x (port,
+ scm_sum (scm_port_column (port),
+ scm_string_length (str)));
if (scm_is_true (result))
return result;
@@ -860,8 +866,8 @@ static SCM
scm_read_quote (int chr, SCM port, scm_t_read_opts *opts)
{
SCM p;
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
switch (chr)
{
@@ -907,8 +913,8 @@ static SCM
scm_read_syntax (int chr, SCM port, scm_t_read_opts *opts)
{
SCM p;
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
switch (chr)
{
@@ -1068,7 +1074,7 @@ scm_read_character (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
((unsigned char) buffer[0] <= 127
|| scm_is_eq (pt->encoding, sym_ISO_8859_1)))
{
- SCM_COL (port) += 1;
+ scm_set_port_column_x (port, scm_sum (scm_port_column (port), SCM_INUM1));
return SCM_MAKE_CHAR (buffer[0]);
}
@@ -1076,7 +1082,9 @@ scm_read_character (scm_t_wchar chr, SCM port, scm_t_read_opts *opts)
processing. */
charname = scm_from_port_stringn (buffer, bytes_read, port);
charname_len = scm_i_string_length (charname);
- SCM_COL (port) += charname_len;
+ scm_set_port_column_x (port,
+ scm_sum (scm_port_column (port),
+ scm_from_size_t (charname_len)));
cp = scm_i_string_ref (charname, 0);
if (charname_len == 1)
return SCM_MAKE_CHAR (cp);
@@ -1629,8 +1637,8 @@ scm_read_sharp_extension (int chr, SCM port, scm_t_read_opts *opts)
proc = scm_get_hash_procedure (chr);
if (scm_is_true (scm_procedure_p (proc)))
{
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 2;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 2;
SCM got;
got = scm_call_2 (proc, SCM_MAKE_CHAR (chr), port);
@@ -1782,8 +1790,8 @@ read_inner_expression (SCM port, scm_t_read_opts *opts)
be part of an unescaped symbol. We might as well do
something useful with it, so we adopt Kawa's convention:
[...] => ($bracket-list$ ...) */
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
return maybe_annotate_source
(scm_cons (sym_bracket_list, scm_read_sexp (chr, port, opts)),
port, opts, line, column);
@@ -1805,8 +1813,8 @@ read_inner_expression (SCM port, scm_t_read_opts *opts)
return (scm_read_quote (chr, port, opts));
case '#':
{
- long line = SCM_LINUM (port);
- int column = SCM_COL (port) - 1;
+ long line = scm_to_long (scm_port_line (port));
+ int column = scm_to_int (scm_port_column (port)) - 1;
SCM result = scm_read_sharp (chr, port, opts, line, column);
if (scm_is_eq (result, SCM_UNSPECIFIED))
/* We read a comment or some such. */
@@ -1870,8 +1878,8 @@ scm_read_expression (SCM port, scm_t_read_opts *opts)
if (c == EOF)
return SCM_EOF_VAL;
scm_ungetc (c, port);
- line = SCM_LINUM (port);
- column = SCM_COL (port);
+ line = scm_to_long (scm_port_line (port));
+ column = scm_to_int (scm_port_column (port));
}
expr = read_inner_expression (port, opts);