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DSLAnalyzer.pde
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DSLAnalyzer.pde
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class DSLAnalyzer extends CodeAnalyzer {
StaticContext ctx;
List<Token> tokens = new ArrayList();
List<SuggestionItem> suggestionItems = new ArrayList();
Runner runner;
DSLAnalyzer(Runner runner, StaticContext ctx) {
this.runner = runner;
this.ctx = ctx;
this.runner.applyProgram(new Program(new ArrayList(), 0, 0));
for (CmdIdent ident : this.ctx.cmds.keySet()) {
this.suggestionItems.add(new SuggestionItem(ident.name, ident.toString()));
}
for (CallableDefinition callable : this.ctx.callables.values()) {
if (callable.ident.kind == CallableIdentKind.Variable || callable.ident.kind == CallableIdentKind.Function) {
this.suggestionItems.add(new SuggestionItem(callable.ident.name, callable.ident.toString() + ": " + callable.type));
}
}
Collections.sort(this.suggestionItems);
}
@Override
Suggestion suggest(String code, int pos) {
List<Token> tokens = new Lexer(code).parseTokens();
String token = null;
for (Token t : tokens) {
if (t.kind == TokenKind.Ident && t.end == pos) {
token = t.value;
break;
}
}
if (token == null) {
return null;
}
List<SuggestionItem> suggestionItems = new ArrayList();
for (SuggestionItem item : this.suggestionItems) {
if (item.isMatch(token)) {
suggestionItems.add(item);
}
}
if (suggestionItems.size() == 0) {
return null;
}
return new Suggestion(suggestionItems, token.length());
}
@Override
String applySuggest(String code, int pos, String item) {
List<Token> tokens = new Lexer(code).parseTokens();
String token = null;
for (Token t : tokens) {
if (t.kind == TokenKind.Ident && t.end == pos) {
token = t.value;
break;
}
}
if (token == null) {
return null;
}
if (item.length() < token.length()) {
return null;
}
return item.substring(token.length());
}
@Override
CodeAnalyzerResult analize(String code) {
CodeAnalyzerResult result = new CodeAnalyzerResult();
List<Token> tokens = new Lexer(code).parseTokens();
for (Token token : tokens) {
Color c = null;
switch (token.kind) {
case LineComment:
{
c = new Color(0, 0.6, 0, 1);
break;
}
case FloatLiteral:
{
c = new Color(1, 1, 0.8, 1);
break;
}
case Ident:
{
c = new Color(0.5, 0.9, 1, 1);
break;
}
}
if (c != null) {
for (int i = token.begin; i < token.end; i++) {
result.highlights.put(i, c);
}
}
}
try {
tokens = validTokens(tokens);
}
catch (LexerException e) {
for (Token token : tokens) {
boolean isError = false;
switch (token.kind) {
case InvalidChar:
{
isError = true;
break;
}
}
if (isError) {
for (int i = token.begin; i < token.end; i++) {
result.errors.add(i);
}
}
}
result.errorMsg = "Unknown char.";
return result;
}
try {
Program program = new Parser(tokens).parseProgram();
program.staticCheck(this.ctx);
if (!equalsTokens(this.tokens, tokens)) {
this.tokens = tokens;
this.runner.applyProgram(program);
}
}
catch(ParseException e) {
int begin;
int end;
if (e.pos < tokens.size()) {
begin = tokens.get(e.pos).begin;
end = tokens.get(e.pos).end;
} else {
begin = code.length();
end = code.length() + 1;
}
result.errorMsg = e.getMessage();
for (int i = begin; i < end; i++) {
result.errors.add(i);
}
return result;
}
catch(StaticCheckException e) {
int begin = e.begin < tokens.size() ? tokens.get(e.begin).begin : code.length();
int end = e.end <= tokens.size() ? tokens.get(e.end - 1).end : code.length();
result.errorMsg = e.getMessage();
for (int i = begin; i < end; i++) {
result.errors.add(i);
}
return result;
}
return result;
}
}