zenfyr.dev
a fork of EvalEx by ezylang with a handful of breaking changes
We did it reddit, we fixed inlining.
+1
-1
gradle.properties
+1
-1
gradle.properties
+4
src/main/java/me/melontini/mevalex/functions/FunctionIfc.java
+4
src/main/java/me/melontini/mevalex/functions/FunctionIfc.java
+5
src/main/java/me/melontini/mevalex/functions/basic/RandomFunction.java
+5
src/main/java/me/melontini/mevalex/functions/basic/RandomFunction.java
+5
src/main/java/me/melontini/mevalex/functions/datetime/DateTimeNowFunction.java
+5
src/main/java/me/melontini/mevalex/functions/datetime/DateTimeNowFunction.java
+5
src/main/java/me/melontini/mevalex/functions/datetime/DateTimeTodayFunction.java
+5
src/main/java/me/melontini/mevalex/functions/datetime/DateTimeTodayFunction.java
+4
src/main/java/me/melontini/mevalex/operators/OperatorIfc.java
+4
src/main/java/me/melontini/mevalex/operators/OperatorIfc.java
+3
-3
src/main/java/me/melontini/mevalex/parser/ASTNode.java
+3
-3
src/main/java/me/melontini/mevalex/parser/ASTNode.java
···
43
public static final ASTNode[] EMPTY = new ASTNode[0];
44
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/** The children od the tree. */
46
-
ASTNode[] parameters;
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/** The token associated with this tree node. */
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-
Token token;
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protected ASTNode(Token token, ASTNode... parameters) {
52
this.token = token;
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-
this.parameters = parameters;
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}
55
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public static ASTNode of(Token token) {
···
43
public static final ASTNode[] EMPTY = new ASTNode[0];
44
45
/** The children od the tree. */
46
+
protected ASTNode[] parameters;
47
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/** The token associated with this tree node. */
49
+
protected Token token;
50
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protected ASTNode(Token token, ASTNode... parameters) {
52
this.token = token;
53
+
this.parameters = parameters.length == 0 ? EMPTY : parameters;
54
}
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public static ASTNode of(Token token) {
+169
-5
src/main/java/me/melontini/mevalex/parser/ExpressionParser.java
+169
-5
src/main/java/me/melontini/mevalex/parser/ExpressionParser.java
···
15
*/
16
package me.melontini.mevalex.parser;
17
18
import lombok.Getter;
19
import me.melontini.mevalex.EvaluationException;
20
import me.melontini.mevalex.Expression;
21
import me.melontini.mevalex.config.ExpressionConfiguration;
···
39
this.converter = new ShuntingYardConverter(configuration);
40
}
41
42
-
public Expression parse(String expression) throws ParseException {
43
-
return new Expression(
44
-
expression,
45
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this.toSolvable(converter.toAbstractSyntaxTree(tokenizer.parse(expression), expression)),
46
-
configuration);
47
}
48
49
public Solvable toSolvable(ASTNode node) {
···
15
*/
16
package me.melontini.mevalex.parser;
17
18
+
import java.util.Arrays;
19
+
import java.util.Objects;
20
import lombok.Getter;
21
+
import me.melontini.mevalex.EvaluationContext;
22
import me.melontini.mevalex.EvaluationException;
23
import me.melontini.mevalex.Expression;
24
import me.melontini.mevalex.config.ExpressionConfiguration;
···
42
this.converter = new ShuntingYardConverter(configuration);
43
}
44
45
+
public Expression parse(String expression) throws ParseException, EvaluationException {
46
+
ASTNode root = converter.toAbstractSyntaxTree(tokenizer.parse(expression), expression);
47
+
var proxy = new Expression(expression, toSolvable(root), configuration);
48
+
return new Expression(expression, toSolvable(inline(proxy, root)), configuration);
49
+
}
50
+
51
+
public ASTNode inline(Expression parent, ASTNode node) throws EvaluationException {
52
+
if (node instanceof InlinedASTNode) return tryRound(parent, node);
53
+
54
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// We declare the index not inlineable, but its parameters on the other hand...
55
+
var parameters = node.getParameters();
56
+
for (int i = 0; i < parameters.length; i++) {
57
+
switch (parameters[i].getToken().getType()) {
58
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case ARRAY_INDEX, STRUCTURE_SEPARATOR -> parameters[i] = inline(parent, parameters[i]);
59
+
}
60
+
}
61
+
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Token token = node.getToken();
63
+
return tryRound(
64
+
parent,
65
+
switch (token.getType()) {
66
+
case VARIABLE_OR_CONSTANT -> {
67
+
if (!configuration.isAllowOverwriteConstants()) {
68
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var result = configuration.getConstants().get(token.getValue());
69
+
if (result != null) yield InlinedASTNode.of(token, result);
70
+
}
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+
yield node;
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+
}
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case PREFIX_OPERATOR, POSTFIX_OPERATOR -> inlinePrePostfix(parent, token, node);
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case INFIX_OPERATOR -> inlineInfix(parent, token, node);
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case FUNCTION -> inlineFunction(parent, token, node);
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case ARRAY_INDEX -> {
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for (int i1 = 0; i1 < 2; i1++)
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node.getParameters()[i1] = inline(parent, node.getParameters()[i1]);
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yield node;
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+
}
81
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case STRUCTURE_SEPARATOR -> {
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node.getParameters()[0] = inline(parent, node.getParameters()[0]);
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yield node;
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}
85
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default -> throw new IllegalStateException("Unexpected evaluation token: " + token);
86
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});
87
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}
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+
89
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private ASTNode tryRound(Expression parent, ASTNode node) {
90
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if (!(node instanceof InlinedASTNode inlined)) return node;
91
+
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var result = parent.tryRoundValue(inlined.value());
93
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if (Objects.equals(result.getValue(), inlined.value().getValue())) return inlined;
94
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return InlinedASTNode.of(node.getToken(), result, node.getParameters());
95
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}
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+
97
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private ASTNode inlineFunction(Expression parent, Token token, ASTNode node)
98
+
throws EvaluationException {
99
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var function = token.getFunctionDefinition();
100
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if (!function.canInline()) return node;
101
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var parameters = node.getParameters();
102
+
103
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EvaluationValue[] result = new EvaluationValue[parameters.length];
104
+
boolean allMatch = true;
105
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for (int i = 0; i < parameters.length; i++) {
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ASTNode parameter = parameters[i];
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+
108
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if (function.isParameterLazy(i)) {
109
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if (!canInline(parameter)) allMatch = false;
110
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result[i] = SolvableValue.of(toSolvable(node));
111
+
} else {
112
+
parameters[i] = inline(parent, parameters[i]);
113
+
if (!(parameters[i] instanceof InlinedASTNode inlined)) {
114
+
allMatch = false;
115
+
continue;
116
+
}
117
+
result[i] = inlined.value();
118
+
}
119
+
}
120
+
if (!allMatch) return node;
121
+
122
+
return InlinedASTNode.of(
123
+
token,
124
+
function.evaluate(EvaluationContext.builder(parent).build(), token, result),
125
+
parameters);
126
+
}
127
+
128
+
private ASTNode inlineInfix(Expression parent, Token token, ASTNode node)
129
+
throws EvaluationException {
130
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var operator = token.getOperatorDefinition();
131
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var parameters = node.getParameters();
132
+
133
+
if (!operator.isOperandLazy()) {
134
+
boolean allMatch = true;
135
+
for (int i = 0; i < 2; i++) {
136
+
if (!((parameters[i] = inline(parent, parameters[i])) instanceof InlinedASTNode))
137
+
allMatch = false;
138
+
}
139
+
if (!allMatch) return node;
140
+
141
+
if (operator.canInline()) {
142
+
return InlinedASTNode.of(
143
+
token,
144
+
operator.evaluate(
145
+
EvaluationContext.builder(parent).build(),
146
+
token,
147
+
Arrays.stream(parameters)
148
+
.map(node1 -> ((InlinedASTNode) node1).value())
149
+
.toArray(EvaluationValue[]::new)),
150
+
parameters);
151
+
}
152
+
return node;
153
+
} else {
154
+
if (!operator.canInline()) return node;
155
+
156
+
SolvableValue[] lazy = new SolvableValue[parameters.length];
157
+
for (int i = 0; i < parameters.length; i++) {
158
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ASTNode parameter = parameters[i];
159
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if (!canInline(parameter)) return node;
160
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lazy[i] = SolvableValue.of(toSolvable(parameter));
161
+
}
162
+
return InlinedASTNode.of(
163
+
token,
164
+
operator.evaluate(EvaluationContext.builder(parent).build(), token, lazy),
165
+
parameters);
166
+
}
167
+
}
168
+
169
+
/**
170
+
* When working with lazy operand we cannot immediately inline the operand as it can throw an
171
+
* {@link EvaluationException}.
172
+
*
173
+
* @return If the node can be safely inlined.
174
+
*/
175
+
private boolean canInline(ASTNode node) {
176
+
if (node instanceof InlinedASTNode) return true;
177
+
178
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Token token = node.getToken();
179
+
return switch (token.getType()) {
180
+
case VARIABLE_OR_CONSTANT -> !configuration.isAllowOverwriteConstants()
181
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&& configuration.getConstants().containsKey(token.getValue());
182
+
case PREFIX_OPERATOR, POSTFIX_OPERATOR, INFIX_OPERATOR -> {
183
+
if (!token.getOperatorDefinition().canInline()) yield false;
184
+
for (ASTNode parameter : node.getParameters()) {
185
+
if (!canInline(parameter)) yield false;
186
+
}
187
+
yield true;
188
+
}
189
+
case FUNCTION -> {
190
+
if (!token.getFunctionDefinition().canInline()) yield false;
191
+
for (ASTNode parameter : node.getParameters()) {
192
+
if (!canInline(parameter)) yield false;
193
+
}
194
+
yield true;
195
+
}
196
+
default -> false;
197
+
};
198
+
}
199
+
200
+
private ASTNode inlinePrePostfix(Expression parent, Token token, ASTNode node)
201
+
throws EvaluationException {
202
+
var operator = token.getOperatorDefinition();
203
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node.getParameters()[0] = inline(parent, node.getParameters()[0]);
204
+
if (node.getParameters()[0] instanceof InlinedASTNode inlined && operator.canInline()) {
205
+
return InlinedASTNode.of(
206
+
token,
207
+
operator.evaluate(EvaluationContext.builder(parent).build(), token, inlined.value()),
208
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node.getParameters());
209
+
}
210
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return node;
211
}
212
213
public Solvable toSolvable(ASTNode node) {
+14
-2
src/main/java/me/melontini/mevalex/parser/InlinedASTNode.java
+14
-2
src/main/java/me/melontini/mevalex/parser/InlinedASTNode.java
···
15
*/
16
package me.melontini.mevalex.parser;
17
18
import lombok.AccessLevel;
19
import lombok.EqualsAndHashCode;
20
import lombok.Getter;
···
47
return new InlinedASTNode(token, constant, nodes);
48
}
49
50
-
static InlinedASTNode trusted(Token token, EvaluationValue constant, ASTNode... nodes) {
51
-
return new InlinedASTNode(token, constant, nodes);
52
}
53
54
@Override
···
15
*/
16
package me.melontini.mevalex.parser;
17
18
+
import java.util.Arrays;
19
+
import java.util.stream.Collectors;
20
import lombok.AccessLevel;
21
import lombok.EqualsAndHashCode;
22
import lombok.Getter;
···
49
return new InlinedASTNode(token, constant, nodes);
50
}
51
52
+
public String toJSON() {
53
+
if (parameters.length == 0) {
54
+
return String.format(
55
+
"{" + "\"type\":\"%s\",\"value\":\"%s\",\"result\":\"%s\"}",
56
+
token.getType(), token.getValue(), value.getStringValue());
57
+
} else {
58
+
String childrenJson =
59
+
Arrays.stream(parameters).map(ASTNode::toJSON).collect(Collectors.joining(","));
60
+
return String.format(
61
+
"{" + "\"type\":\"%s\",\"value\":\"%s\",\"result\":\"%s\",\"children\":[%s]}",
62
+
token.getType(), token.getValue(), value.getStringValue(), childrenJson);
63
+
}
64
}
65
66
@Override
+1
-1
src/test/java/me/melontini/mevalex/BaseExpressionEvaluatorTest.java
+1
-1
src/test/java/me/melontini/mevalex/BaseExpressionEvaluatorTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluationExceptionsTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluationExceptionsTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluationMultiThreadedTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluationMultiThreadedTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluatorConstantsTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluatorConstantsTest.java
···
92
}
93
94
@Test
95
-
void testOverwriteConstantsNotAllowed() throws ParseException {
96
Expression expression = ExpressionConfiguration.defaultExpressionParser().parse("e");
97
assertThatThrownBy(() -> expression.evaluate(builder -> builder.parameter("e", 9)))
98
.isInstanceOf(UnsupportedOperationException.class)
···
92
}
93
94
@Test
95
+
void testOverwriteConstantsNotAllowed() throws ParseException, EvaluationException {
96
Expression expression = ExpressionConfiguration.defaultExpressionParser().parse("e");
97
assertThatThrownBy(() -> expression.evaluate(builder -> builder.parameter("e", 9)))
98
.isInstanceOf(UnsupportedOperationException.class)
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluatorNullTest.java
+1
-1
src/test/java/me/melontini/mevalex/ExpressionEvaluatorNullTest.java
+6
-5
src/test/java/me/melontini/mevalex/ExpressionTest.java
+6
-5
src/test/java/me/melontini/mevalex/ExpressionTest.java
···
35
class ExpressionTest {
36
37
@Test
38
-
void testExpressionDefaults() throws ParseException {
39
Expression expression = ExpressionConfiguration.defaultExpressionParser().parse("a+b");
40
41
assertThat(expression.getExpressionString()).isEqualTo("a+b");
···
51
}
52
53
@Test
54
-
void testValidateOK() throws ParseException {
55
ExpressionConfiguration.defaultExpressionParser().parse("1+1");
56
}
57
···
131
132
@SuppressWarnings("Convert2Lambda")
133
@Test
134
-
void testDefaultExpressionOwnsOwnConfigurationEntries() throws ParseException {
135
Supplier<ExpressionConfiguration> configuration =
136
() ->
137
ExpressionConfiguration.builder()
···
158
}
159
160
@Test
161
-
void testDoubleConverterDefaultMathContext() throws ParseException {
162
Expression defaultMathContextExpression =
163
ExpressionConfiguration.defaultExpressionParser().parse("1");
164
assertThat(defaultMathContextExpression.convertDoubleValue(1.67987654321).getNumberValue())
···
166
}
167
168
@Test
169
-
void testDoubleConverterLimitedMathContext() throws ParseException {
170
Expression limitedMathContextExpression =
171
new ExpressionParser(
172
ExpressionConfiguration.builder().mathContext(new MathContext(3)).build())
···
35
class ExpressionTest {
36
37
@Test
38
+
void testExpressionDefaults() throws ParseException, EvaluationException {
39
Expression expression = ExpressionConfiguration.defaultExpressionParser().parse("a+b");
40
41
assertThat(expression.getExpressionString()).isEqualTo("a+b");
···
51
}
52
53
@Test
54
+
void testValidateOK() throws ParseException, EvaluationException {
55
ExpressionConfiguration.defaultExpressionParser().parse("1+1");
56
}
57
···
131
132
@SuppressWarnings("Convert2Lambda")
133
@Test
134
+
void testDefaultExpressionOwnsOwnConfigurationEntries()
135
+
throws ParseException, EvaluationException {
136
Supplier<ExpressionConfiguration> configuration =
137
() ->
138
ExpressionConfiguration.builder()
···
159
}
160
161
@Test
162
+
void testDoubleConverterDefaultMathContext() throws ParseException, EvaluationException {
163
Expression defaultMathContextExpression =
164
ExpressionConfiguration.defaultExpressionParser().parse("1");
165
assertThat(defaultMathContextExpression.convertDoubleValue(1.67987654321).getNumberValue())
···
167
}
168
169
@Test
170
+
void testDoubleConverterLimitedMathContext() throws ParseException, EvaluationException {
171
Expression limitedMathContextExpression =
172
new ExpressionParser(
173
ExpressionConfiguration.builder().mathContext(new MathContext(3)).build())
+3
-3
src/test/java/me/melontini/mevalex/parser/ShuntingYardArrayTest.java
+3
-3
src/test/java/me/melontini/mevalex/parser/ShuntingYardArrayTest.java
···
23
void testSimpleArray() throws ParseException {
24
assertASTTreeIsEqualTo(
25
"a[0]",
26
-
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"0\"}]}");
27
}
28
29
@Test
···
37
void testArrayNested() throws ParseException {
38
assertASTTreeIsEqualTo(
39
"a[b[1]]",
40
-
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}]}]}");
41
}
42
43
@Test
44
void testComplex() throws ParseException {
45
assertASTTreeIsEqualTo(
46
"a[b[100*(a+b)]-c[2+d[x+y]]]",
47
-
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"100\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"}]}]}]},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"c\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"d\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"x\"},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"y\"}]}]}]}]}]}]}");
48
}
49
}
···
23
void testSimpleArray() throws ParseException {
24
assertASTTreeIsEqualTo(
25
"a[0]",
26
+
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"0\",\"result\":\"0\"}]}");
27
}
28
29
@Test
···
37
void testArrayNested() throws ParseException {
38
assertASTTreeIsEqualTo(
39
"a[b[1]]",
40
+
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}]}]}");
41
}
42
43
@Test
44
void testComplex() throws ParseException {
45
assertASTTreeIsEqualTo(
46
"a[b[100*(a+b)]-c[2+d[x+y]]]",
47
+
"{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"100\",\"result\":\"100\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"a\"},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"b\"}]}]}]},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"c\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"d\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"x\"},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"y\"}]}]}]}]}]}]}");
48
}
49
}
+8
-8
src/test/java/me/melontini/mevalex/parser/ShuntingYardConverterTest.java
+8
-8
src/test/java/me/melontini/mevalex/parser/ShuntingYardConverterTest.java
···
21
22
@Test
23
void testSingleNumber() throws ParseException {
24
-
assertASTTreeIsEqualTo("1", "{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}");
25
}
26
27
@Test
···
33
void testPrefix() throws ParseException {
34
assertASTTreeIsEqualTo(
35
"-1",
36
-
"{\"type\":\"PREFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}]}");
37
}
38
39
@Test
40
void testPostfix() throws ParseException {
41
assertASTTreeIsEqualTo(
42
"1?",
43
-
"{\"type\":\"POSTFIX_OPERATOR\",\"value\":\"?\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}]}");
44
}
45
46
@Test
47
void testPrefixPostfix() throws ParseException {
48
assertASTTreeIsEqualTo(
49
"-1?",
50
-
"{\"type\":\"PREFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"POSTFIX_OPERATOR\",\"value\":\"?\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}]}]}");
51
}
52
53
@Test
54
void testSequential() throws ParseException {
55
assertASTTreeIsEqualTo(
56
"1+2+3-3-2-1",
57
-
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"}]}");
58
}
59
60
@Test
61
void testPrecedence() throws ParseException {
62
assertASTTreeIsEqualTo(
63
"1+2*3-3^2-1/4",
64
-
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]}]},{\"type\":\"INFIX_OPERATOR\",\"value\":\"^\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"}]}]},{\"type\":\"INFIX_OPERATOR\",\"value\":\"/\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"4\"}]}]}");
65
}
66
67
@Test
68
void testBraces() throws ParseException {
69
assertASTTreeIsEqualTo(
70
"2*(1/(2+3))",
71
-
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"/\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]}]}]}");
72
}
73
74
@Test
75
void testFunctions() throws ParseException {
76
assertASTTreeIsEqualTo(
77
"MAX(1,2,3)-MIN(3,2,SUM(1,2,3))",
78
-
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"FUNCTION\",\"value\":\"MAX\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]},{\"type\":\"FUNCTION\",\"value\":\"MIN\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"FUNCTION\",\"value\":\"SUM\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\"}]}]}]}");
79
}
80
}
···
21
22
@Test
23
void testSingleNumber() throws ParseException {
24
+
assertASTTreeIsEqualTo("1", "{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}");
25
}
26
27
@Test
···
33
void testPrefix() throws ParseException {
34
assertASTTreeIsEqualTo(
35
"-1",
36
+
"{\"type\":\"PREFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}]}");
37
}
38
39
@Test
40
void testPostfix() throws ParseException {
41
assertASTTreeIsEqualTo(
42
"1?",
43
+
"{\"type\":\"POSTFIX_OPERATOR\",\"value\":\"?\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}]}");
44
}
45
46
@Test
47
void testPrefixPostfix() throws ParseException {
48
assertASTTreeIsEqualTo(
49
"-1?",
50
+
"{\"type\":\"PREFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"POSTFIX_OPERATOR\",\"value\":\"?\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}]}]}");
51
}
52
53
@Test
54
void testSequential() throws ParseException {
55
assertASTTreeIsEqualTo(
56
"1+2+3-3-2-1",
57
+
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"}]}");
58
}
59
60
@Test
61
void testPrecedence() throws ParseException {
62
assertASTTreeIsEqualTo(
63
"1+2*3-3^2-1/4",
64
+
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]}]},{\"type\":\"INFIX_OPERATOR\",\"value\":\"^\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"}]}]},{\"type\":\"INFIX_OPERATOR\",\"value\":\"/\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"4\",\"result\":\"4\"}]}]}");
65
}
66
67
@Test
68
void testBraces() throws ParseException {
69
assertASTTreeIsEqualTo(
70
"2*(1/(2+3))",
71
+
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"*\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"/\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"INFIX_OPERATOR\",\"value\":\"+\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]}]}]}");
72
}
73
74
@Test
75
void testFunctions() throws ParseException {
76
assertASTTreeIsEqualTo(
77
"MAX(1,2,3)-MIN(3,2,SUM(1,2,3))",
78
+
"{\"type\":\"INFIX_OPERATOR\",\"value\":\"-\",\"children\":[{\"type\":\"FUNCTION\",\"value\":\"MAX\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]},{\"type\":\"FUNCTION\",\"value\":\"MIN\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"FUNCTION\",\"value\":\"SUM\",\"children\":[{\"type\":\"NUMBER_LITERAL\",\"value\":\"1\",\"result\":\"1\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"3\",\"result\":\"3\"}]}]}]}");
79
}
80
}
+1
-1
src/test/java/me/melontini/mevalex/parser/ShuntingYardStructureTest.java
+1
-1
src/test/java/me/melontini/mevalex/parser/ShuntingYardStructureTest.java
···
40
void testArrayCombination() throws ParseException {
41
assertASTTreeIsEqualTo(
42
"order[4].position[2].amount",
43
-
"{\"type\":\"STRUCTURE_SEPARATOR\",\"value\":\".\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"STRUCTURE_SEPARATOR\",\"value\":\".\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"order\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"4\"}]},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"position\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\"}]},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"amount\"}]}");
44
}
45
46
@Test
···
40
void testArrayCombination() throws ParseException {
41
assertASTTreeIsEqualTo(
42
"order[4].position[2].amount",
43
+
"{\"type\":\"STRUCTURE_SEPARATOR\",\"value\":\".\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"STRUCTURE_SEPARATOR\",\"value\":\".\",\"children\":[{\"type\":\"ARRAY_INDEX\",\"value\":\"[\",\"children\":[{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"order\"},{\"type\":\"NUMBER_LITERAL\",\"value\":\"4\",\"result\":\"4\"}]},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"position\"}]},{\"type\":\"NUMBER_LITERAL\",\"value\":\"2\",\"result\":\"2\"}]},{\"type\":\"VARIABLE_OR_CONSTANT\",\"value\":\"amount\"}]}");
44
}
45
46
@Test