-
Notifications
You must be signed in to change notification settings - Fork 3.7k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
add support for rust with the go runtime (#4207)
Tested on rust/examples/*.rs and works for all the examples except `intellijrust_test_allinone.rs` which takes forever to analyze.
- Loading branch information
Showing
3 changed files
with
151 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,81 @@ | ||
package parser | ||
|
||
import ( | ||
"github.com/antlr4-go/antlr/v4" | ||
) | ||
|
||
type RustLexerBase struct { | ||
*antlr.BaseLexer | ||
|
||
lastToken antlr.Token | ||
lastToken2 antlr.Token | ||
} | ||
|
||
func (l *RustLexerBase) NextToken() antlr.Token { | ||
next := l.BaseLexer.NextToken() | ||
|
||
if next.GetChannel() == antlr.LexerDefaultTokenChannel { | ||
// keep track of the last token on the default channel | ||
l.lastToken2 = l.lastToken | ||
l.lastToken = next | ||
} | ||
|
||
return next | ||
} | ||
|
||
func (l *RustLexerBase) SOF() bool { | ||
return l.GetInputStream().LA(-1) <= 0 | ||
} | ||
|
||
func (l *RustLexerBase) floatDotPossible() bool { | ||
next := rune(l.GetInputStream().LA(1)) | ||
if next == '.' || next == '_' { | ||
return false | ||
} | ||
if next == 'f' { | ||
// 1.f32 | ||
if rune(l.GetInputStream().LA(2)) == '3' && rune(l.GetInputStream().LA(3)) == '2' { | ||
return true | ||
} | ||
//1.f64 | ||
if rune(l.GetInputStream().LA(2)) == '6' && rune(l.GetInputStream().LA(3)) == '4' { | ||
return true | ||
} | ||
return false | ||
} | ||
if next >= 'a' && next <= 'z' { | ||
return false | ||
} | ||
if next >= 'A' && next <= 'Z' { | ||
return false | ||
} | ||
|
||
return false | ||
} | ||
|
||
func (l *RustLexerBase) floatLiteralPossible() bool { | ||
if l.lastToken == nil || l.lastToken2 == nil { | ||
return true | ||
} | ||
if l.lastToken.GetTokenType() != RustLexerDOT { | ||
return true | ||
} | ||
|
||
switch l.lastToken2.GetTokenType() { | ||
case RustLexerCHAR_LITERAL, RustLexerSTRING_LITERAL, | ||
RustLexerRAW_STRING_LITERAL, RustLexerBYTE_LITERAL, | ||
RustLexerBYTE_STRING_LITERAL, RustLexerRAW_BYTE_STRING_LITERAL, | ||
RustLexerINTEGER_LITERAL, RustLexerDEC_LITERAL, RustLexerHEX_LITERAL, | ||
RustLexerOCT_LITERAL, RustLexerBIN_LITERAL, RustLexerKW_SUPER, | ||
RustLexerKW_SELFVALUE, RustLexerKW_SELFTYPE, RustLexerKW_CRATE, | ||
RustLexerKW_DOLLARCRATE, RustLexerGT, RustLexerRCURLYBRACE, | ||
RustLexerRSQUAREBRACKET, RustLexerRPAREN, RustLexerKW_AWAIT, | ||
RustLexerNON_KEYWORD_IDENTIFIER, RustLexerRAW_IDENTIFIER, | ||
RustLexerKW_MACRORULES: | ||
return false | ||
default: | ||
return true | ||
} | ||
|
||
return false | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,14 @@ | ||
package parser | ||
|
||
import ( | ||
"github.com/antlr4-go/antlr/v4" | ||
) | ||
|
||
// RustParserBase implementation. | ||
type RustParserBase struct { | ||
*antlr.BaseParser | ||
} | ||
|
||
func (p *RustParserBase) next(expect int) bool { | ||
return p.GetInputStream().LA(1) == expect | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,56 @@ | ||
import sys, os, re, shutil | ||
from glob import glob | ||
from pathlib import Path | ||
|
||
def main(argv): | ||
for file in glob("./*Lexer.g4"): | ||
fix_lexer(file) | ||
for file in glob("./*Parser.g4"): | ||
fix_parser(file) | ||
|
||
def fix_lexer(file_path): | ||
print("Altering " + file_path) | ||
if not os.path.exists(file_path): | ||
print(f"Could not find file: {file_path}") | ||
sys.exit(1) | ||
parts = os.path.split(file_path) | ||
file_name = parts[-1] | ||
|
||
shutil.move(file_path, file_path + ".bak") | ||
input_file = open(file_path + ".bak",'r') | ||
output_file = open(file_path, 'w') | ||
for x in input_file: | ||
if 'this.' in x and '}?' in x: | ||
x = x.replace('this.', 'p.') | ||
elif 'this.' in x: | ||
x = x.replace('this.', 'l.') | ||
output_file.write(x) | ||
output_file.flush() | ||
|
||
print("Writing ...") | ||
input_file.close() | ||
output_file.close() | ||
|
||
def fix_parser(file_path): | ||
print("Altering " + file_path) | ||
if not os.path.exists(file_path): | ||
print(f"Could not find file: {file_path}") | ||
sys.exit(1) | ||
parts = os.path.split(file_path) | ||
file_name = parts[-1] | ||
|
||
shutil.move(file_path, file_path + ".bak") | ||
input_file = open(file_path + ".bak",'r') | ||
output_file = open(file_path, 'w') | ||
for x in input_file: | ||
if 'this.' in x: | ||
x = x.replace('this.', 'p.') | ||
output_file.write(x) | ||
output_file.flush() | ||
|
||
print("Writing ...") | ||
input_file.close() | ||
output_file.close() | ||
|
||
if __name__ == '__main__': | ||
main(sys.argv) |