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
|
package org.shedlang.compiler;
import org.shedlang.compiler.ast.untyped.UntypedNamespaceNode;
import org.shedlang.compiler.backends.Backend;
import org.shedlang.compiler.backends.paths.TargetDir;
import org.shedlang.compiler.config.ConfigChecker;
import org.shedlang.compiler.config.ProfileConfig;
import org.shedlang.compiler.config.ProjectConfig;
import org.shedlang.compiler.parser.Parser;
import org.shedlang.compiler.shid.ShidCodeGen;
import org.shedlang.compiler.shid.ShidNamespace;
import org.shedlang.compiler.sourcefiles.SourceFile;
import org.shedlang.compiler.typechecker.TypeChecker;
import org.shedlang.compiler.typechecker.TypeCheckerContext;
import org.shedlang.compiler.types.Effects;
import org.shedlang.compiler.types.FieldsInfo;
import org.shedlang.compiler.types.NamespaceTypeInfo;
import org.shedlang.compiler.types.Types;
import org.shedlang.compiler.util.P;
import org.zwobble.sourcetext.SourceText;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.*;
import static org.shedlang.compiler.parser.Tokeniser.tokenise;
import static org.shedlang.compiler.sourcefiles.SourceFiles.collectSourceFiles;
import static org.shedlang.compiler.typechecker.NamespaceDependencyLineariser.orderNamespaces;
public class ShedCompiler {
public TargetDir compile(
Path projectRoot,
Backend backend,
Optional<String> profileName
) throws IOException, InterruptedException {
var config = ProjectConfig.read(projectRoot);
var projectRoots = findProjectRoots(config);
var untypedNamespaceNodes = projectRoots.stream()
.flatMap(root -> {
var sourceRoot = root.resolve("src");
try {
var sourceFiles = collectSourceFiles(sourceRoot);
return parseSource(sourceFiles).stream();
} catch (IOException exception) {
throw new RuntimeException(exception);
}
})
.toList();
var namespaces = new ArrayList<ShidNamespace>();
var typeCheckerContext = TypeCheckerContext.EMPTY
.addNamespaceTypeInfo(
ShedBuiltins.NAMESPACE_NAME,
new NamespaceTypeInfo(FieldsInfo.of(
FieldsInfo.freeField(ShedBuiltins.PRINT_NAME, ShedBuiltins.PRINT_TYPE)
))
)
.enterGlobal(P.map(
Map.entry("Bool", Types.metaType(Types.BOOL)),
Map.entry("Int", Types.metaType(Types.INT)),
Map.entry("Io", Types.effectType(Effects.IO)),
Map.entry("String", Types.metaType(Types.STRING)),
Map.entry("Unit", Types.metaType(Types.UNIT)),
Map.entry(ShedBuiltins.PRINT_NAME, ShedBuiltins.PRINT_TYPE)
));
for (var untypedNamespaceNode : orderNamespaces(untypedNamespaceNodes)) {
var typeCheckNamespaceResult = TypeChecker.typeCheckNamespace(untypedNamespaceNode, typeCheckerContext);
typeCheckerContext = typeCheckNamespaceResult.context();
var shidNamespace = ShidCodeGen.compileNamespace(typeCheckNamespaceResult.value());
namespaces.add(shidNamespace);
}
var typeInfos = typeCheckerContext.toTypeInfos();
ConfigChecker.configCheck(config, typeInfos);
var profileConfig = profileName.map(config::profile)
.orElse(ProfileConfig.DEFAULT);
var targetDir = config.targetDir(backend, profileConfig);
backend.compile(
config,
profileConfig,
namespaces,
typeInfos,
targetDir
);
return targetDir;
}
/**
* Find the roots of any projects that require compilation, including
* transitive dependencies.
*/
private LinkedHashSet<Path> findProjectRoots(ProjectConfig config) throws IOException {
var projectRoots = new LinkedHashSet<Path>();
var pendingProjects = new ArrayDeque<Path>();
pendingProjects.add(config.root());
// TODO: detect cycles
while (!pendingProjects.isEmpty()) {
var projectRoot = pendingProjects.removeFirst();
if (projectRoots.add(projectRoot)) {
var projectConfig = ProjectConfig.read(projectRoot);
for (var dependency : projectConfig.dependencies()) {
pendingProjects.add(dependency.path());
}
}
}
return projectRoots;
}
private List<UntypedNamespaceNode> parseSource(
List<SourceFile> sourceFiles
) throws IOException {
var untypedNamespaceNodes = new ArrayList<UntypedNamespaceNode>();
for (var sourceFile : sourceFiles) {
var sourceContents = Files.readString(sourceFile.path(), StandardCharsets.UTF_8);
var sourceText = SourceText.fromString(sourceFile.path().toString(), sourceContents);
var tokens = tokenise(sourceText);
var untypedNode = Parser.parseNamespace(tokens, sourceFile.namespaceName());
untypedNamespaceNodes.add(untypedNode);
}
return untypedNamespaceNodes;
}
}
|
