diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/sys/include/np/parse.h | 47 | ||||
| -rw-r--r-- | src/sys/np/core/np_init.c | 3 | ||||
| -rw-r--r-- | src/sys/np/core/np_parse.c | 83 |
3 files changed, 132 insertions, 1 deletions
diff --git a/src/sys/include/np/parse.h b/src/sys/include/np/parse.h new file mode 100644 index 0000000..2ee724f --- /dev/null +++ b/src/sys/include/np/parse.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and L5 engineers + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _NP_PARSE_H_ +#define _NP_PARSE_H_ 1 + +#include <sys/types.h> + +struct np_work; + +/* + * Begin parsing work + * + * @work: Work to parse + * + * Returns zero on success, otherwise a less than + * zero value on failure. + */ +int parse_work(struct np_work *work); + +#endif /* !_NP_PARSE_H_ */ diff --git a/src/sys/np/core/np_init.c b/src/sys/np/core/np_init.c index 6b50b8e..63d2ff2 100644 --- a/src/sys/np/core/np_init.c +++ b/src/sys/np/core/np_init.c @@ -32,6 +32,7 @@ #include <sys/syslog.h> #include <os/omar.h> #include <os/np.h> +#include <np/parse.h> #define pr_trace(fmt, ...) printf("pirho: " fmt, ##__VA_ARGS__) @@ -40,7 +41,6 @@ np_init(const char *in_path, struct np_work *workp) { int error; struct nameidata nd; - struct lex_token tok; if (in_path == NULL || workp == NULL) { return -EINVAL; @@ -61,6 +61,7 @@ np_init(const char *in_path, struct np_work *workp) return error; } + parse_work(workp); return 0; } diff --git a/src/sys/np/core/np_parse.c b/src/sys/np/core/np_parse.c new file mode 100644 index 0000000..fe4dc1c --- /dev/null +++ b/src/sys/np/core/np_parse.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and L5 engineers + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/errno.h> +#include <sys/syslog.h> +#include <sys/param.h> +#include <np/lex.h> +#include <np/parse.h> +#include <os/np.h> + +#define pr_trace(fmt, ...) printf("pirho.parse: " fmt, ##__VA_ARGS__) +#define pr_error(fmt, ...) printf("pirho.parse: error: " fmt, ##__VA_ARGS__) + +/* Token to string conversion table */ +static const char *stoktab[] = { + /* Symbols */ + [TT_LPAREN] = "<TT_LPAREN>", + [TT_RPAREN] = "<TT_RPAREN>", + [TT_IDENT] = "<IDENTIFIER>", + [TT_COMMA] = "<TT_COMMA>", + + /* Types */ + [TT_U8] = "<TT_U8>", + + /* Keywords */ + [TT_BEGIN] = "<TT_BEGIN>", + [TT_PROC] = "<TT_PROC>", + [TT_END] = "<TT_END>" +}; + +int +parse_work(struct np_work *work) +{ + struct lex_token tok; + int error = 0; + + if (work == NULL) { + pr_error("bad work argument\n"); + return -EINVAL; + } + + while (error == 0) { + error = lex_nom(work, &tok); + if (error < 0) { + return error; + } + + if (tok.token > NELEM(stoktab)) { + pr_error("bad token %d\n", tok.token); + return -1; + } + printf("tok.type: %s\n", stoktab[tok.token]); + } + + return 0; +} |