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1 | /* classes: h_files */ |
2 | ||
3 | #ifndef SCM_INLINE_H | |
4 | #define SCM_INLINE_H | |
5 | ||
452c5ad9 | 6 | /* Copyright (C) 2001, 2002, 2003, 2004, 2006, 2008, 2009, 2010, |
18cd9aff | 7 | * 2011, 2013 Free Software Foundation, Inc. |
16ea9620 | 8 | * |
73be1d9e | 9 | * This library is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU Lesser General Public License |
11 | * as published by the Free Software Foundation; either version 3 of | |
12 | * the License, or (at your option) any later version. | |
16ea9620 | 13 | * |
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14 | * This library is distributed in the hope that it will be useful, but |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | * Lesser General Public License for more details. | |
16ea9620 | 18 | * |
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19 | * You should have received a copy of the GNU Lesser General Public |
20 | * License along with this library; if not, write to the Free Software | |
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21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | * 02110-1301 USA | |
73be1d9e | 23 | */ |
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24 | |
25 | /* This file is for inline functions. On platforms that don't support | |
46163e52 AW |
26 | inlining functions, they are turned into ordinary functions. On |
27 | platforms that do support inline functions, the definitions are still | |
28 | compiled into the library, once, in inline.c. */ | |
16ea9620 | 29 | |
1e71eafb | 30 | #include <stdio.h> |
f5c2af4b LC |
31 | #include <string.h> |
32 | ||
33 | #include "libguile/__scm.h" | |
1e71eafb | 34 | |
16ea9620 MV |
35 | #include "libguile/pairs.h" |
36 | #include "libguile/gc.h" | |
9bc4701c | 37 | #include "libguile/threads.h" |
2a610be5 | 38 | #include "libguile/array-handle.h" |
f5c2af4b | 39 | #include "libguile/ports.h" |
2a610be5 | 40 | #include "libguile/numbers.h" |
f5c2af4b | 41 | #include "libguile/error.h" |
16ea9620 | 42 | |
c8a1bdc4 | 43 | |
46163e52 AW |
44 | SCM_INLINE int scm_is_pair (SCM x); |
45 | SCM_INLINE int scm_is_string (SCM x); | |
f5c2af4b | 46 | |
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47 | SCM_INLINE int scm_get_byte_or_eof (SCM port); |
48 | SCM_INLINE int scm_peek_byte_or_eof (SCM port); | |
49 | SCM_INLINE void scm_putc (char c, SCM port); | |
50 | SCM_INLINE void scm_puts (const char *str_data, SCM port); | |
3f520967 | 51 | |
60e7529a | 52 | |
42d691ee AW |
53 | SCM_INLINE SCM scm_cell (scm_t_bits car, scm_t_bits cdr); |
54 | SCM_INLINE SCM scm_double_cell (scm_t_bits car, scm_t_bits cbr, | |
55 | scm_t_bits ccr, scm_t_bits cdr); | |
56 | SCM_INLINE SCM scm_words (scm_t_bits car, scm_t_uint16 n_words); | |
6253f3f1 | 57 | |
42d691ee AW |
58 | #if SCM_CAN_INLINE || defined SCM_INLINE_C_IMPLEMENTING_INLINES |
59 | /* Either inlining, or being included from inline.c. */ | |
6253f3f1 | 60 | |
46163e52 | 61 | SCM_INLINE_IMPLEMENTATION int |
d5ad4aa6 MV |
62 | scm_is_pair (SCM x) |
63 | { | |
23f2b9a3 KR |
64 | /* The following "workaround_for_gcc_295" avoids bad code generated by |
65 | i386 gcc 2.95.4 (the Debian packaged 2.95.4-24 at least). | |
66 | ||
67 | Under the default -O2 the inlined SCM_I_CONSP test gets "optimized" so | |
68 | the fetch of the tag word from x is done before confirming it's a | |
69 | non-immediate (SCM_NIMP). Needless to say that bombs badly if x is a | |
70 | immediate. This was seen to afflict scm_srfi1_split_at and something | |
71 | deep in the bowels of ceval(). In both cases segvs resulted from | |
72 | deferencing a random immediate value. srfi-1.test exposes the problem | |
73 | through a short list, the immediate being SCM_EOL in that case. | |
74 | Something in syntax.test exposed the ceval() problem. | |
75 | ||
76 | Just "volatile SCM workaround_for_gcc_295 = lst" is enough to avoid the | |
77 | problem, without even using that variable. The "w=w" is just to | |
78 | prevent a warning about it being unused. | |
79 | */ | |
80 | #if defined (__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ == 95 | |
81 | volatile SCM workaround_for_gcc_295 = x; | |
82 | workaround_for_gcc_295 = workaround_for_gcc_295; | |
83 | #endif | |
84 | ||
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85 | return SCM_I_CONSP (x); |
86 | } | |
87 | ||
46163e52 | 88 | SCM_INLINE_IMPLEMENTATION int |
183f7849 LC |
89 | scm_is_string (SCM x) |
90 | { | |
91 | return SCM_NIMP (x) && (SCM_TYP7 (x) == scm_tc7_string); | |
92 | } | |
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93 | |
94 | /* Port I/O. */ | |
95 | ||
46163e52 | 96 | SCM_INLINE_IMPLEMENTATION int |
889975e5 | 97 | scm_get_byte_or_eof (SCM port) |
f5c2af4b | 98 | { |
f5c2af4b LC |
99 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
100 | ||
8a2b5965 MW |
101 | if (SCM_LIKELY ((pt->rw_active == SCM_PORT_READ || !pt->rw_random) |
102 | && pt->read_pos < pt->read_end)) | |
103 | return *pt->read_pos++; | |
104 | else | |
e00793d7 | 105 | return scm_slow_get_byte_or_eof (port); |
f5c2af4b LC |
106 | } |
107 | ||
452c5ad9 | 108 | /* Like `scm_get_byte_or_eof' but does not change PORT's `read_pos'. */ |
46163e52 | 109 | SCM_INLINE_IMPLEMENTATION int |
452c5ad9 LC |
110 | scm_peek_byte_or_eof (SCM port) |
111 | { | |
452c5ad9 LC |
112 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
113 | ||
8a2b5965 MW |
114 | if (SCM_LIKELY ((pt->rw_active == SCM_PORT_READ || !pt->rw_random) |
115 | && pt->read_pos < pt->read_end)) | |
116 | return *pt->read_pos; | |
117 | else | |
e00793d7 | 118 | return scm_slow_peek_byte_or_eof (port); |
452c5ad9 LC |
119 | } |
120 | ||
46163e52 | 121 | SCM_INLINE_IMPLEMENTATION void |
f5c2af4b LC |
122 | scm_putc (char c, SCM port) |
123 | { | |
124 | SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port"); | |
125 | scm_lfwrite (&c, 1, port); | |
126 | } | |
127 | ||
46163e52 | 128 | SCM_INLINE_IMPLEMENTATION void |
f5c2af4b LC |
129 | scm_puts (const char *s, SCM port) |
130 | { | |
131 | SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port"); | |
132 | scm_lfwrite (s, strlen (s), port); | |
133 | } | |
134 | ||
135 | ||
16ea9620 | 136 | #endif |
16ea9620 | 137 | #endif |