1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
#[cfg(test)]
extern crate paste;
#[macro_use]
extern crate lalrpop_util;
#[macro_use]
extern crate quick_error;
extern crate bit_vec;
extern crate half;
#[cfg(test)]
extern crate hip_runtime_sys as hip;
extern crate rspirv;
extern crate spirv_headers as spirv;
#[cfg(test)]
extern crate spirv_tools_sys as spirv_tools;
#[macro_use]
extern crate bitflags;
lalrpop_mod!(
#[allow(warnings)]
ptx
);
pub mod ast;
pub(crate) mod pass;
#[cfg(test)]
mod test;
mod translate;
use std::fmt;
pub use crate::ptx::ModuleParser;
use ast::PtxError;
pub use lalrpop_util::lexer::Token;
pub use lalrpop_util::ParseError;
pub use rspirv::dr::Error as SpirvError;
pub use translate::to_spirv_module;
pub use translate::KernelInfo;
pub use translate::TranslateError;
pub trait ModuleParserExt {
fn parse_checked<'input>(
txt: &'input str,
) -> Result<ast::Module<'input>, Vec<ParseError<usize, Token<'input>, ast::PtxError>>>;
// Returned AST might be malformed. Some users, like logger, want to look at
// malformed AST to record information - list of kernels or such
fn parse_unchecked<'input>(
txt: &'input str,
) -> (
ast::Module<'input>,
Vec<ParseError<usize, Token<'input>, ast::PtxError>>,
);
}
impl ModuleParserExt for ModuleParser {
fn parse_checked<'input>(
txt: &'input str,
) -> Result<ast::Module<'input>, Vec<ParseError<usize, Token<'input>, ast::PtxError>>> {
let mut errors = Vec::new();
let maybe_ast = ptx::ModuleParser::new().parse(&mut errors, txt);
match (&*errors, maybe_ast) {
(&[], Ok(ast)) => Ok(ast),
(_, Err(unrecoverable)) => {
errors.push(unrecoverable);
Err(errors)
}
(_, Ok(_)) => Err(errors),
}
}
fn parse_unchecked<'input>(
txt: &'input str,
) -> (
ast::Module<'input>,
Vec<ParseError<usize, Token<'input>, ast::PtxError>>,
) {
let mut errors = Vec::new();
let maybe_ast = ptx::ModuleParser::new().parse(&mut errors, txt);
let ast = match maybe_ast {
Ok(ast) => ast,
Err(unrecoverable_err) => {
errors.push(unrecoverable_err);
ast::Module {
version: (0, 0),
directives: Vec::new(),
}
}
};
(ast, errors)
}
}
pub struct DisplayParseError<'a, Loc, Tok, Err>(&'a str, &'a ParseError<Loc, Tok, Err>);
impl<'a, Loc: fmt::Display + Into<usize> + Copy, Tok, Err> DisplayParseError<'a, Loc, Tok, Err> {
// unsafe because there's no guarantee that the input str is the one that this error was created from
pub unsafe fn new(error: &'a ParseError<Loc, Tok, Err>, text: &'a str) -> Self {
Self(text, error)
}
}
impl<'a, Loc, Tok> fmt::Display for DisplayParseError<'a, Loc, Tok, PtxError>
where
Loc: fmt::Display,
Tok: fmt::Display,
{
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.1 {
ParseError::User {
error: PtxError::UnrecognizedStatement { start, end },
} => self.fmt_unrecognized(f, *start, *end, "statement"),
ParseError::User {
error: PtxError::UnrecognizedDirective { start, end },
} => self.fmt_unrecognized(f, *start, *end, "directive"),
_ => self.1.fmt(f),
}
}
}
impl<'a, Loc, Tok, Err> DisplayParseError<'a, Loc, Tok, Err> {
fn fmt_unrecognized(
&self,
f: &mut fmt::Formatter,
start: usize,
end: usize,
kind: &'static str,
) -> fmt::Result {
let full_substring = unsafe { self.0.get_unchecked(start..end) };
write!(
f,
"Unrecognized {} `{}` found at {}:{}",
kind, full_substring, start, end
)
}
}
pub(crate) fn without_none<T>(x: Vec<Option<T>>) -> Vec<T> {
x.into_iter().filter_map(|x| x).collect()
}
pub(crate) fn vector_index<'input>(
inp: &'input str,
) -> Result<u8, ParseError<usize, lalrpop_util::lexer::Token<'input>, ast::PtxError>> {
match inp {
"x" | "r" => Ok(0),
"y" | "g" => Ok(1),
"z" | "b" => Ok(2),
"w" | "a" => Ok(3),
_ => Err(ParseError::User {
error: ast::PtxError::WrongVectorElement,
}),
}
}
#[cfg(test)]
mod tests {
use crate::{DisplayParseError, ModuleParser, ModuleParserExt};
#[test]
fn error_report_unknown_instructions() {
let module = r#"
.version 6.5
.target sm_30
.address_size 64
.visible .entry add(
.param .u64 input,
)
{
.reg .u64 x;
does_not_exist.u64 x, x;
ret;
}"#;
let errors = match ModuleParser::parse_checked(module) {
Err(e) => e,
Ok(_) => panic!(),
};
assert_eq!(errors.len(), 1);
let reporter = DisplayParseError(module, &errors[0]);
let build_log_string = format!("{}", reporter);
assert!(build_log_string.contains("does_not_exist"));
}
}
|
