update ResolvableType to use same type resolving as method body parsing

This commit is contained in:
Dave Holoway
2020-06-08 21:02:34 +01:00
parent 7c9acfd7ca
commit 426735aa25
5 changed files with 82 additions and 55 deletions

View File

@@ -30,7 +30,7 @@ class TokenList {
* @param {string} value
*/
isValue(value) {
if (this.current.value === value) {
if (this.current && this.current.value === value) {
this.inc();
return true;
}
@@ -45,14 +45,18 @@ class TokenList {
if (this.isValue(value)) {
return true;
}
const token = this.current || this.tokens[this.tokens.length - 1];
const addproblem = require("./body-parser3").addproblem;
addproblem(this, ParseProblem.Error(this.current, `${value} expected`));
addproblem(this, ParseProblem.Error(token, `${value} expected`));
return false;
}
get previous() {
for (let idx = this.idx - 1; idx >= 0; idx--) {
if (idx === 0 || this.tokens[idx].kind !== 'wsc') {
if (idx <= 0) {
return this.tokens[0];
}
if (this.tokens[idx].kind !== 'wsc') {
return this.tokens[idx];
}
}

View File

@@ -10,7 +10,7 @@ const ResolvedImport = require('./parsetypes/resolved-import');
const ParseProblem = require('./parsetypes/parse-problem');
const { getOperatorType, Token } = require('./tokenizer');
const { resolveTypeOrPackage, resolveNextTypeOrPackage } = require('./type-resolver');
const { typeIdentList } = require('./typeident');
const { genericTypeArgs } = require('./typeident');
const { TokenList } = require("./TokenList");
const { AnyMethod, AnyType, AnyValue, ArrayElement, ArrayLiteral, ConstructorCall, LiteralNumber, LiteralValue, Local, MethodCall, ResolvedIdent, TernaryValue, Value } = require("./body-types");
@@ -19,17 +19,21 @@ const { AnyMethod, AnyType, AnyValue, ArrayElement, ArrayLiteral, ConstructorCal
*/
function flattenBlocks(blocks) {
/**
* @param {*[]} blocks
* @param {boolean} isMethod
*/
function flattenBlocks(blocks, isMethod) {
return blocks.reduce((arr,block) => {
if (block instanceof Token) {
// 'default' and 'synchronised' are not modifiers inside method bodies
if (block.kind === 'modifier' && /^(default|synchronized)$/.test(block.value)) {
if (isMethod && block.kind === 'modifier' && /^(default|synchronized)$/.test(block.value)) {
block.kind = 'statement-kw'
block.simplified = block.value;
}
arr.push(block);
} else {
arr = [...arr, ...flattenBlocks(block.blockArray().blocks)];
arr = [...arr, ...flattenBlocks(block.blockArray().blocks, isMethod)];
}
return arr;
}, [])
@@ -45,7 +49,7 @@ function parseBody(method, imports, typemap) {
if (!body || body.blocks[0].value !== '{') {
return null;
}
const tokenlist = new TokenList(flattenBlocks(body.blocks));
const tokenlist = new TokenList(flattenBlocks(body.blocks, true));
let block = null;
try {
block = statementBlock(tokenlist, [], method, imports, typemap);
@@ -1913,21 +1917,7 @@ function qualifiers(matches, tokens, locals, method, imports, typemap) {
return matches;
}
tokens.inc();
let type_arguments = [];
if (!tokens.isValue('>')) {
type_arguments = typeIdentList(tokens, method._owner, imports, typemap);
tokens.expectValue('>');
}
matches.types = matches.types.map(t => {
if (t instanceof CEIType) {
if (t.typevars.length) {
const specialised_type = t.specialise(type_arguments);
typemap.set(specialised_type.shortSignature, specialised_type);
return specialised_type;
}
}
return t;
});
genericTypeArgs(tokens, matches.types, method._owner, imports, typemap);
break;
default:
return matches;
@@ -2122,3 +2112,4 @@ function findIdentifier(ident, locals, method, imports, typemap) {
exports.addproblem = addproblem;
exports.parseBody = parseBody;
exports.flattenBlocks = flattenBlocks;

View File

@@ -40,15 +40,16 @@ class SourceType extends CEIType {
* @param {ModuleBlock} mod
* @param {TypeDeclBlock} type
* @param {string} qualified_type_name qualified $-separated type name
* @param {Map<string,JavaType>} typemap
*/
constructor(mod, type, qualified_type_name) {
constructor(mod, type, qualified_type_name, typemap) {
super(type.shortSignature, type.kind(), mapmods(type), type.docs);
this._decl = type;
this._dottedTypeName = qualified_type_name.replace(/\$/g, '.');
this.extends_types = type.extends_decl ? extractTypeList(type.extends_decl) : [];
this.implements_types = type.implements_decl ? extractTypeList(type.implements_decl) : [];
this.implicit_extend = !this.extends_types.length && !this.implements_types.length ? [new ResolvableType({type: 'java.lang.Object', typeTokens:[]})] : [];
this.implicit_extend = !this.extends_types.length && !this.implements_types.length ? [typemap.get('java/lang/Object')] : [];
this.fields = type.fields.map(f => new SourceField(this, f));
this.methods = type.methods.map(m => new SourceMethod(this, m));
@@ -81,7 +82,7 @@ class SourceType extends CEIType {
get supers() {
return [
...this.implicit_extend.map(t => t.resolved),
...this.implicit_extend,
...this.extends_types.map(t => t.resolved),
...this.implements_types.map(t => t.resolved)
];
@@ -90,7 +91,6 @@ class SourceType extends CEIType {
getAllResolvableTypes() {
/** @type {ResolvableType[]} */
const res = [
...this.implicit_extend,
...this.extends_types,
...this.implements_types,
];
@@ -247,7 +247,7 @@ class ResolvableType extends UnresolvedType {
constructor(decl) {
super(decl.type);
this._decl = decl;
/** @type {import('../java/parsetypes/resolved-type')} */
/** @type {JavaType} */
this._resolved = null;
}
@@ -255,9 +255,7 @@ class ResolvableType extends UnresolvedType {
* @returns {JavaType}
*/
get resolved() {
if (!this._resolved) return this;
if (!this._resolved.mtis.length) return this;
return this._resolved.mtis[0];
return this._resolved || this;
}
get typeTokens() {

View File

@@ -1,4 +1,4 @@
const { ArrayType, CEIType, JavaType, WildcardType } = require('java-mti');
const { ArrayType, CEIType, JavaType, PrimitiveType, WildcardType } = require('java-mti');
const { SourceMethod, SourceConstructor, SourceInitialiser } = require('./source-type');
const ResolvedImport = require('./parsetypes/resolved-import');
const { resolveTypeOrPackage, resolveNextTypeOrPackage } = require('./type-resolver');
@@ -34,30 +34,29 @@ function typeIdentList(tokens, scoped_type, imports, typemap) {
* @param {Map<string,JavaType>} typemap
*/
function typeIdent(tokens, scoped_type, imports, typemap) {
if (tokens.current.kind !== 'ident') {
if (tokens.current.value === '?') {
return wildcardTypeArgument(tokens, scoped_type, imports, typemap);
}
return AnyType.Instance;
let types = [], package_name = '';
switch(tokens.current.kind) {
case 'ident':
({ types, package_name } = resolveTypeOrPackage(tokens.current.value, scoped_type, imports, typemap));
break;
case 'primitive-type':
types.push(PrimitiveType.fromName(tokens.current.value));
break;
default:
return tokens.current.value === '?'
? wildcardTypeArgument(tokens, scoped_type, imports, typemap)
: AnyType.Instance;
}
let { types, package_name } = resolveTypeOrPackage(tokens.current.value, scoped_type, imports, typemap);
tokens.inc();
for (;;) {
if (tokens.isValue('.')) {
if (tokens.current.kind !== 'ident') {
break;
}
resolveNextTypeOrPackage(tokens.current.value, types, package_name, typemap);
({ types, package_name } = resolveNextTypeOrPackage(tokens.current.value, types, package_name, typemap));
tokens.inc();
} else if (tokens.isValue('<')) {
if (!tokens.isValue('>')) {
typeIdentList(tokens, scoped_type, imports, typemap);
if (/>>>?/.test(tokens.current.value)) {
// we need to split >> and >>> into separate > tokens to handle things like List<Class<?>>
const new_tokens = tokens.current.value.split('').map((gt,i) => new Token(tokens.current.range.source, tokens.current.range.start + i, 1, 'comparison-operator'));
tokens.splice(tokens.idx, 1, ...new_tokens);
}
tokens.expectValue('>');
}
genericTypeArgs(tokens, types, scoped_type, imports, typemap);
} else if (tokens.isValue('[')) {
let arrdims = 0;
for(;;) {
@@ -79,6 +78,37 @@ function typeIdent(tokens, scoped_type, imports, typemap) {
return types[0] || AnyType.Instance;
}
/**
*
* @param {TokenList} tokens
* @param {JavaType[]} types
* @param {CEIType} scoped_type
* @param {ResolvedImport[]} imports
* @param {Map<string,JavaType>} typemap
*/
function genericTypeArgs(tokens, types, scoped_type, imports, typemap) {
if (!tokens.isValue('>')) {
const type_arguments = typeIdentList(tokens, scoped_type, imports, typemap);
types.forEach((t,i,arr) => {
if (t instanceof CEIType) {
let specialised = t.specialise(type_arguments);
if (typemap.has(specialised.shortSignature)) {
arr[i] = typemap.get(specialised.shortSignature);
return;
}
typemap.set(specialised.shortSignature, specialised);
arr[i] = specialised;
}
});
if (/>>>?/.test(tokens.current.value)) {
// we need to split >> and >>> into separate > tokens to handle things like List<Class<?>>
const new_tokens = tokens.current.value.split('').map((gt,i) => new Token(tokens.current.range.source, tokens.current.range.start + i, 1, 'comparison-operator'));
tokens.splice(tokens.idx, 1, ...new_tokens);
}
tokens.expectValue('>');
}
}
/**
* @param {TokenList} tokens
* @param {CEIType} scoped_type
@@ -105,3 +135,4 @@ function wildcardTypeArgument(tokens, scoped_type, imports, typemap) {
exports.typeIdent = typeIdent;
exports.typeIdentList = typeIdentList;
exports.genericTypeArgs = genericTypeArgs;

View File

@@ -4,7 +4,9 @@ const { resolveImports } = require('../java/import-resolver');
const ResolvedImport = require('../java/parsetypes/resolved-import');
const { resolveType } = require('../java/type-resolver');
const { SourceType, SourceConstructor } = require('./source-type');
const { parseBody } = require('./body-parser3');
const { parseBody, flattenBlocks } = require('./body-parser3');
const { TokenList } = require('./TokenList');
const { typeIdent } = require('./typeident');
/**
@@ -12,16 +14,17 @@ const { parseBody } = require('./body-parser3');
* @param {string} owner_typename
* @param {ModuleBlock|TypeDeclBlock} parent
* @param {SourceType[]} source_types
* @param {Map<string,JavaType>} typemap
*/
function getSourceTypes(mod, owner_typename, parent, source_types) {
function getSourceTypes(mod, owner_typename, parent, source_types, typemap) {
parent.types.forEach(type => {
const qualifiedTypeName = `${owner_typename}${type.simpleName}`;
// we add the names of type variables here, but we resolve any bounds later
//const typevar_names = type.typevars.map(tv => tv.name);
//const mti = new MTI().addType(package_name, '', mods, type.kind(), qualifiedTypeName, typevar_names);
const t = new SourceType(mod, type, qualifiedTypeName);
const t = new SourceType(mod, type, qualifiedTypeName, typemap);
source_types.push(t);
getSourceTypes(mod, `${qualifiedTypeName}$`, type, source_types);
getSourceTypes(mod, `${qualifiedTypeName}$`, type, source_types, typemap);
});
}
@@ -32,10 +35,10 @@ function getSourceTypes(mod, owner_typename, parent, source_types) {
* @param {Map<string,JavaType>} typemap
*/
function resolveResolvableTypes(source_type, resolved_imports, typemap) {
const fully_qualified_scope = source_type.shortSignature;
const resolvableTypes = source_type.getAllResolvableTypes();
resolvableTypes.forEach(rt => {
rt._resolved = resolveType(rt.label, fully_qualified_scope, resolved_imports, typemap);
const tokens = new TokenList(flattenBlocks(rt.typeTokens, false));
rt._resolved = typeIdent(tokens, source_type, resolved_imports, typemap);
})
}
@@ -48,7 +51,7 @@ function validate(mod, androidLibrary) {
/** @type {SourceType[]} */
const source_types = [];
getSourceTypes(mod, '', mod, source_types);
getSourceTypes(mod, '', mod, source_types, androidLibrary);
const imports = resolveImports(androidLibrary, source_types, mod.imports, mod.packageName);