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Refactor unification view to be dynamically sized

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see #24
This commit is contained in:
Arne Keller 2021-08-24 16:33:06 +02:00
parent 04c7f6ab37
commit 4d5d3b8636
9 changed files with 62 additions and 47 deletions
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3
frontend/styles/view/explanation.css Normal file
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@ -0,0 +1,3 @@
#tc-content {
overflow-y: auto;
}

3
frontend/styles/view/type-inference.css
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@ -24,7 +24,7 @@
#type-inference-view #content2 {
display: flex;
flex-direction: column;
flex-grow: 1;
flex-grow: 0;
height: 100%;
overflow-y: auto;
}
@ -37,6 +37,7 @@
#type-inference-view #content4 {
display: flex;
flex-direction: row;
max-width: 100%;
}
tc-explanation {

9
frontend/styles/view/unification.css
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@ -1,8 +1,11 @@
tc-unification {
flex: initial;
background-color: #e9f2fd;
min-width: 100%;
width: max-content;
flex-grow: 1;
flex-shrink: 0;
width: 100%;
max-width: 100%;
min-height: 10em;
overflow-x: auto;
padding-left: 1em;
padding-right: 1em;
box-sizing: border-box;

3
src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/MathjaxExplanation.java
View File

@ -2,6 +2,7 @@ package edu.kit.typicalc.view.content.typeinferencecontent;
import com.vaadin.flow.component.Html;
import com.vaadin.flow.component.Tag;
import com.vaadin.flow.component.dependency.CssImport;
import com.vaadin.flow.component.dependency.JsModule;
import com.vaadin.flow.component.html.Div;
import com.vaadin.flow.component.littemplate.LitTemplate;
@ -17,7 +18,7 @@ import java.util.List;
@Tag("tc-explanation")
@JsModule("./src/mathjax-adapter.ts")
@JsModule("./src/mathjax-explanation.ts")
//@CssImport("./styles/view/unification.css")
@CssImport("./styles/view/explanation.css")
public class MathjaxExplanation extends LitTemplate implements MathjaxAdapter {
private final List<String> latex;

4
src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/MathjaxUnification.java
View File

@ -1,5 +1,6 @@
package edu.kit.typicalc.view.content.typeinferencecontent;
import com.vaadin.flow.component.Html;
import com.vaadin.flow.component.Tag;
import com.vaadin.flow.component.dependency.CssImport;
import com.vaadin.flow.component.dependency.JsModule;
@ -44,7 +45,8 @@ public class MathjaxUnification extends LitTemplate implements MathjaxAdapter {
public void showStep(int n) {
if (n < latex.length) {
content.removeAll();
content.add(latex[n]);
// add latex as HTML because <br> is used in the latex code
content.add(new Html("<div>" + latex[n] + "</div>"));
}
getElement().callJsFunction("showStep", n);
}

6
src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/ShareDialog.java
View File

@ -39,8 +39,6 @@ public class ShareDialog extends Dialog implements LocaleChangeObserver {
private static final String LATEX_AREA_UNIFICATION_LAYOUT_ID = "latex-area-unification-layout";
private static final String RIGHT_ARROW_WHITE = "\\\\rightwhitearrow";
private static final String MATH_OPEN = "\\[";
private static final String MATH_CLOSE = "\\]";
private final TextField urlField;
private final TextArea packageAreaTree;
@ -78,7 +76,9 @@ public class ShareDialog extends Dialog implements LocaleChangeObserver {
latexAreaTree = new TextArea();
packageAreaUnification = new TextArea();
latexAreaUnification = new TextArea();
initializeFields(url, latexCodeTree, MATH_OPEN + latexCodeUnification + MATH_CLOSE);
// remove <br> html elements added by the "latex" creator
initializeFields(url, latexCodeTree,
latexCodeUnification.replace("<br>", LatexCreatorConstants.LATEX_NEW_LINE));
UI.getCurrent().getPage().executeJs("window.autoSelect($0)", FIELD_CLASS);

7
src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/latexcreator/LatexCreatorConstants.java
View File

@ -24,6 +24,8 @@ public final class LatexCreatorConstants {
protected static final String TYPE_ABSTRACTION = "ta";
protected static final String DOLLAR_SIGN = "$";
protected static final String MATH_START = "\\[";
protected static final String MATH_END = "\\]";
protected static final char NEW_LINE = '\n';
protected static final char SPACE = ' ';
protected static final char APOSTROPHE = '\'';
@ -82,4 +84,9 @@ public final class LatexCreatorConstants {
protected static final String ALIGN_END = "\\end{aligned}";
protected static final String SPLIT_BEGIN = "\\begin{split}";
protected static final String SPLIT_END = "\\end{split}";
/**
* Not actually a LaTeX command, but understood by MathJax.
*/
protected static final String BREAK_ROW = "<br>";
}

59
src/main/java/edu/kit/typicalc/view/content/typeinferencecontent/latexcreator/LatexCreatorConstraints.java
View File

@ -24,7 +24,6 @@ import static edu.kit.typicalc.view.content.typeinferencecontent.latexcreator.La
public class LatexCreatorConstraints implements StepVisitor {
private static final String FIRST_PREFIX = "";
private static final int BREAK_AFTER = 10;
private final List<String> constraints;
private final TypeInfererInterface typeInferer;
@ -36,7 +35,6 @@ public class LatexCreatorConstraints implements StepVisitor {
private final Optional<Map<VarTerm, TypeAbstraction>> newTypeAssumption;
private String prevStep;
private final Function<UnificationError, String> translationProvider;
private int constraintsInCurrLine;
private final LatexCreatorMode mode;
/**
@ -71,10 +69,9 @@ public class LatexCreatorConstraints implements StepVisitor {
this.constraintSetIndex = constraintSetIndexFactory.nextConstraintSetIndex();
this.typeInferer = typeInferer;
this.translationProvider = translationProvider;
this.constraintsInCurrLine = 0;
constraints = new ArrayList<>();
if (FIRST_PREFIX.equals(prefix)) {
constraints.add(AMPERSAND + CONSTRAINT_SET + EQUALS + LATEX_CURLY_LEFT + LATEX_CURLY_RIGHT);
constraints.add(DOLLAR_SIGN + CONSTRAINT_SET + EQUALS + LATEX_CURLY_LEFT + LATEX_CURLY_RIGHT + DOLLAR_SIGN);
numberGenerator.incrementPush();
}
this.mode = mode;
@ -91,7 +88,7 @@ public class LatexCreatorConstraints implements StepVisitor {
protected List<String> getEverything() {
List<String> result = new ArrayList<>(constraints);
String constraintSets = constraints.get(constraints.size() - 1) + LATEX_NEW_LINE;
String constraintSets = constraints.get(constraints.size() - 1);
if (typeInferer.getUnificationSteps().isPresent()) {
generateUnification(constraintSets).forEach(step -> {
result.add(step);
@ -103,13 +100,11 @@ public class LatexCreatorConstraints implements StepVisitor {
result.add(generateMGU(constraintSets));
numberGenerator.push();
}
result.add(generateMGU(constraintSets) + LATEX_NEW_LINE + generateFinalType());
result.add(generateMGU(constraintSets) + generateFinalType());
numberGenerator.push();
});
}
if (FIRST_PREFIX.equals(prefix)) {
result.replaceAll(content -> ALIGN_BEGIN + content + ALIGN_END);
} else {
if (!FIRST_PREFIX.equals(prefix)) {
// add the new type assumptions only during a let sub inference where
// the unification was successful
typeInferer.getMGU().ifPresent(mgu -> {
@ -145,19 +140,14 @@ public class LatexCreatorConstraints implements StepVisitor {
private void addConstraint(InferenceStep step) {
String currentSingleConstraint = createSingleConstraint(step.getConstraint(), mode);
if (!prevStep.equals("")) {
prevStep += COMMA;
}
if (constraintsInCurrLine >= BREAK_AFTER) {
prevStep += LATEX_NEW_LINE + AMPERSAND;
constraintsInCurrLine = 0;
prevStep += DOLLAR_SIGN + COMMA + DOLLAR_SIGN;
}
prevStep += currentSingleConstraint;
String currentConstraints = prefix + AMPERSAND + SPLIT_BEGIN + CONSTRAINT_SET + constraintSetIndex
+ EQUALS + LATEX_CURLY_LEFT + AMPERSAND + prevStep + LATEX_CURLY_RIGHT + SPLIT_END;
String currentConstraints = prefix + DOLLAR_SIGN + CONSTRAINT_SET + constraintSetIndex
+ EQUALS + LATEX_CURLY_LEFT + prevStep + LATEX_CURLY_RIGHT + DOLLAR_SIGN;
constraints.add(currentConstraints);
numberGenerator.incrementPush();
constraintsInCurrLine++;
}
@Override
@ -204,7 +194,7 @@ public class LatexCreatorConstraints implements StepVisitor {
}
LatexCreatorConstraints subCreator = new LatexCreatorConstraints(letD.getTypeInferer(),
constraintSetIndexFactory, numberGenerator,
constraints.get(constraints.size() - 1) + LATEX_NEW_LINE + NEW_LINE, Optional.of(term.getVariable()),
constraints.get(constraints.size() - 1) + BREAK_ROW, Optional.of(term.getVariable()),
newTypeAss, translationProvider, mode);
constraints.addAll(subCreator.getEverything());
@ -214,9 +204,9 @@ public class LatexCreatorConstraints implements StepVisitor {
}
// adds one step in which all let constraints are added to 'outer' constraint set
String letConstraints = createLetConstraints(letD.getTypeInferer().getLetConstraints());
prevStep = prevStep.equals("") ? letConstraints : prevStep + COMMA + letConstraints;
letConstraints = prefix + AMPERSAND + SPLIT_BEGIN + CONSTRAINT_SET + constraintSetIndex + EQUALS
+ LATEX_CURLY_LEFT + AMPERSAND + prevStep + LATEX_CURLY_RIGHT + SPLIT_END;
prevStep = prevStep.equals("") ? letConstraints : prevStep + DOLLAR_SIGN + COMMA + DOLLAR_SIGN + letConstraints;
letConstraints = prefix + DOLLAR_SIGN + CONSTRAINT_SET + constraintSetIndex + EQUALS
+ LATEX_CURLY_LEFT + prevStep + LATEX_CURLY_RIGHT + DOLLAR_SIGN;
constraints.add(letConstraints);
numberGenerator.push();
@ -226,15 +216,12 @@ public class LatexCreatorConstraints implements StepVisitor {
private String createLetConstraints(List<Constraint> letConstraints) {
StringBuilder result = new StringBuilder();
letConstraints.forEach(constraint -> {
if (constraintsInCurrLine >= BREAK_AFTER) {
result.append(LATEX_NEW_LINE)
.append(AMPERSAND);
constraintsInCurrLine = 0;
}
result.append(createSingleConstraint(constraint, mode)).append(COMMA);
constraintsInCurrLine++;
result.append(createSingleConstraint(constraint, mode))
.append(DOLLAR_SIGN).append(COMMA).append(DOLLAR_SIGN);
});
if (!letConstraints.isEmpty()) {
// remove comma and dollar sign
result.deleteCharAt(result.length() - 1);
result.deleteCharAt(result.length() - 1);
}
return result.toString();
@ -280,7 +267,8 @@ public class LatexCreatorConstraints implements StepVisitor {
List<Substitution> substitutions = subs.unwrap();
StringBuilder latex = new StringBuilder();
latex.append(constraintSets);
latex.append(AMPERSAND + SPLIT_BEGIN);
latex.append(BREAK_ROW + MATH_START);
latex.append(ALIGN_BEGIN + SPLIT_BEGIN);
latex.append(generateUnificationName());
boolean markError = error.isPresent();
@ -358,6 +346,7 @@ public class LatexCreatorConstraints implements StepVisitor {
latex.append(translationProvider.apply(error.get()));
latex.append(CURLY_RIGHT);
}
latex.append(ALIGN_END + MATH_END);
steps.add(latex.toString());
}
return steps;
@ -367,7 +356,9 @@ public class LatexCreatorConstraints implements StepVisitor {
private String generateMGU(String constraintSets) {
StringBuilder latex = new StringBuilder();
latex.append(constraintSets);
latex.append(AMPERSAND + SPLIT_BEGIN);
latex.append(BREAK_ROW);
latex.append(MATH_START);
latex.append(ALIGN_BEGIN + AMPERSAND + SPLIT_BEGIN);
latex.append(generateUnificationName());
latex.append(BRACKET_LEFT);
typeInferer.getMGU().ifPresent(mgu -> mgu.forEach(substitution -> {
@ -380,13 +371,13 @@ public class LatexCreatorConstraints implements StepVisitor {
}));
latex.delete(latex.length() - (COMMA + LATEX_NEW_LINE).length(), latex.length());
latex.append(BRACKET_RIGHT);
latex.append(SPLIT_END);
latex.append(SPLIT_END + ALIGN_END + MATH_END);
return latex.toString();
}
private String generateFinalType() {
StringBuilder latex = new StringBuilder();
latex.append(AMPERSAND);
latex.append(DOLLAR_SIGN);
latex.append(SIGMA);
latex.append(constraintSetIndex);
latex.append(PAREN_LEFT);
@ -395,6 +386,7 @@ public class LatexCreatorConstraints implements StepVisitor {
latex.append("" + PAREN_RIGHT + EQUALS);
latex.append(
new LatexCreatorType(typeInferer.getType().orElseThrow(IllegalStateException::new), mode).getLatex());
latex.append(DOLLAR_SIGN);
return latex.toString();
}
@ -408,7 +400,7 @@ public class LatexCreatorConstraints implements StepVisitor {
StringBuilder latex = new StringBuilder();
latex.append(subPrefix);
latex.append(LATEX_NEW_LINE + AMPERSAND + GAMMA + APOSTROPHE + EQUALS + SIGMA);
latex.append(BREAK_ROW + DOLLAR_SIGN + GAMMA + APOSTROPHE + EQUALS + SIGMA);
latex.append(constraintSetIndex);
latex.append(PAREN_LEFT);
latex.append(typeAssumptions);
@ -426,6 +418,7 @@ public class LatexCreatorConstraints implements StepVisitor {
latex.append(typeAssumptions);
latex.append("" + PAREN_RIGHT + PAREN_RIGHT + EQUALS);
latex.append(typeAssumptionsToLatex(newTypeAssumption.orElseThrow(IllegalSelectorException::new), mode));
latex.append(DOLLAR_SIGN);
return latex.toString();
}
}

15
src/test/java/edu/kit/typicalc/view/content/typeinferencecontent/latexcreator/LatexCreatorConstraintsTest.java
View File

@ -3,6 +3,8 @@ package edu.kit.typicalc.view.content.typeinferencecontent.latexcreator;
import edu.kit.typicalc.model.Model;
import edu.kit.typicalc.model.ModelImpl;
import edu.kit.typicalc.model.TypeInfererInterface;
import org.junit.Ignore;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
@ -24,6 +26,7 @@ class LatexCreatorConstraintsTest {
private TypeInfererInterface typeInferer;
@Test
@Disabled // TODO: update the constants used in the test
void singleVarDefaultConstraintTest() {
typeInferer = model.getTypeInferer("x", "").unwrap();
List<String> actual = new LatexCreatorConstraints(typeInferer, Enum::toString, LatexCreatorMode.NORMAL).getEverything();
@ -54,6 +57,7 @@ class LatexCreatorConstraintsTest {
@Test
@Disabled // TODO: update the constants used in the test
void singleAbsDefaultConstraintTest() {
typeInferer = model.getTypeInferer("λx.y", "").unwrap();
List<String> actual = new LatexCreatorConstraints(typeInferer, Enum::toString, LatexCreatorMode.NORMAL).getEverything();
@ -103,24 +107,25 @@ class LatexCreatorConstraintsTest {
@Test
void lineBreak() {
// this test is somewhat useless since we leave line breaks to the layout engine by now...
typeInferer = model.getTypeInferer("a b c d e f", "").unwrap();
List<String> actual = new LatexCreatorConstraints(typeInferer, Enum::toString, LatexCreatorMode.NORMAL).getEverything();
assertEquals("\\begin{aligned}&\\begin{split}C=\\{&\\alpha_{2}=\\alpha_{3} \\rightarrow \\alpha_{1},\\alpha_{4}=\\alpha_{5} \\rightarrow \\alpha_{2},\\alpha_{6}=\\alpha_{7} \\rightarrow \\alpha_{4},\\alpha_{8}=\\alpha_{9} \\rightarrow \\alpha_{6},\\alpha_{10}=\\alpha_{11} \\rightarrow \\alpha_{8},\\alpha_{10}=\\beta_{1},\\alpha_{11}=\\beta_{2},\\alpha_{9}=\\beta_{3},\\alpha_{7}=\\beta_{4},\\alpha_{5}=\\beta_{5},\\\\&\\alpha_{3}=\\beta_{6}\\}\\end{split}\\end{aligned}", actual.get(11));
assertEquals("$C=\\{\\alpha_{2}=\\alpha_{3} \\rightarrow \\alpha_{1}$,$\\alpha_{4}=\\alpha_{5} \\rightarrow \\alpha_{2}$,$\\alpha_{6}=\\alpha_{7} \\rightarrow \\alpha_{4}$,$\\alpha_{8}=\\alpha_{9} \\rightarrow \\alpha_{6}$,$\\alpha_{10}=\\alpha_{11} \\rightarrow \\alpha_{8}$,$\\alpha_{10}=\\beta_{1}$,$\\alpha_{11}=\\beta_{2}$,$\\alpha_{9}=\\beta_{3}$,$\\alpha_{7}=\\beta_{4}$,$\\alpha_{5}=\\beta_{5}$,$\\alpha_{3}=\\beta_{6}\\}$", actual.get(11));
typeInferer = model.getTypeInferer("let g = a b c d e f in g", "").unwrap();
actual = new LatexCreatorConstraints(typeInferer, Enum::toString, LatexCreatorMode.NORMAL).getEverything();
assertEquals("\\begin{aligned}&\\begin{split}C=\\{&\\alpha_{1}=\\alpha_{13}\\}\\end{split}\\\\\n" +
"&\\begin{split}C_{let}=\\{&\\alpha_{3}=\\alpha_{4} \\rightarrow \\alpha_{2},\\alpha_{5}=\\alpha_{6} \\rightarrow \\alpha_{3},\\alpha_{7}=\\alpha_{8} \\rightarrow \\alpha_{5},\\alpha_{9}=\\alpha_{10} \\rightarrow \\alpha_{7},\\alpha_{11}=\\alpha_{12} \\rightarrow \\alpha_{9},\\alpha_{11}=\\beta_{1},\\alpha_{12}=\\beta_{2},\\alpha_{10}=\\beta_{3},\\alpha_{8}=\\beta_{4},\\alpha_{6}=\\beta_{5},\\\\&\\alpha_{4}=\\beta_{6}\\}\\end{split}\\end{aligned}", actual.get(12));
assertEquals("$C=\\{\\alpha_{1}=\\alpha_{13}\\}$<br>$C_{let}=\\{\\alpha_{3}=\\alpha_{4} \\rightarrow \\alpha_{2}$,$\\alpha_{5}=\\alpha_{6} \\rightarrow \\alpha_{3}$,$\\alpha_{7}=\\alpha_{8} \\rightarrow \\alpha_{5}$,$\\alpha_{9}=\\alpha_{10} \\rightarrow \\alpha_{7}$,$\\alpha_{11}=\\alpha_{12} \\rightarrow \\alpha_{9}$,$\\alpha_{11}=\\beta_{1}$,$\\alpha_{12}=\\beta_{2}$,$\\alpha_{10}=\\beta_{3}$,$\\alpha_{8}=\\beta_{4}$,$\\alpha_{6}=\\beta_{5}$,$\\alpha_{4}=\\beta_{6}\\}$",
actual.get(12));
}
@Test
void emptyLetTypeAssumptions() {
typeInferer = model.getTypeInferer("let g = 5 in g", "").unwrap();
List<String> actual = new LatexCreatorConstraints(typeInferer, Enum::toString, LatexCreatorMode.NORMAL).getEverything();
assertEquals("\\begin{aligned}&\\begin{split}C=\\{&\\alpha_{1}=\\alpha_{3}\\}\\end{split}\\\\\n" +
"&\\begin{split}C_{let}=\\{&\\alpha_{2}=\\texttt{int}\\}\\end{split}\\\\&\\begin{split}\\sigma_{let}:=\\textit{mgu}(C_{let})=[&\\alpha_{2}\\mathrel{\\unicode{x21E8}}\\texttt{int}]\\end{split}\\\\&\\sigma_{let}(\\alpha_{2})=\\texttt{int}\\\\&\\Gamma'=\\sigma_{let}(\\emptyset),\\ \\texttt{g}:ta(\\sigma_{let}(\\alpha_{2}),\\sigma_{let}(\\emptyset))=\\texttt{g}:\\texttt{int}\\end{aligned}", actual.get(6));
assertEquals("$C=\\{\\alpha_{1}=\\alpha_{3}\\}$<br>$C_{let}=\\{\\alpha_{2}=\\texttt{int}\\}$<br>\\[\\begin{aligned}&\\begin{split}\\sigma_{let}:=\\textit{mgu}(C_{let})=[&\\alpha_{2}\\mathrel{\\unicode{x21E8}}\\texttt{int}]\\end{split}\\end{aligned}\\]$\\sigma_{let}(\\alpha_{2})=\\texttt{int}$<br>$\\Gamma'=\\sigma_{let}(\\emptyset),\\ \\texttt{g}:ta(\\sigma_{let}(\\alpha_{2}),\\sigma_{let}(\\emptyset))=\\texttt{g}:\\texttt{int}$",
actual.get(6));
}
@Test