Name	Name	Last commit message	Last commit date
Latest commit History 19 Commits
.assets	.assets
src/main/java	src/main/java
.gitignore	.gitignore
LICENSE	LICENSE
README.md	README.md
TaiJi.txt	TaiJi.txt
draw.txt	draw.txt
draw2.txt	draw2.txt
heart.txt	heart.txt
pom.xml	pom.xml
test_ERR.txt	test_ERR.txt
test_OK.txt	test_OK.txt

Interpreter

一款函数绘图语言解释器

使用样例

源文件

heart.txt

-- 箭头
color is (255, 255, 0);
scale is (1, 1);
size is 10;
origin is (450, 450);
rot is pi;
for t from 0 to 400 step 1 draw(t, t);
-- 心形曲线
origin is (200, 200);
rot is pi/2;
size is 5;
-- 圆润型
color is (0, 0, 255);
scale is (50, 50);
for t from -pi to pi step pi/200 draw((2*cos(t)-cos(2*t)), (2*sin(t)-sin(2*t)));
-- 尖锐型
origin is (200+80, 200+80);
color is (255, 0, 0);
rot is pi;
scale is (8, 8);
for t from 0 to 2*pi step pi/200 draw(16*(sin(t)**3), 13*cos(t)-5*cos(2*t)-2*cos(3*t)-cos(4*t));

编译

mvn package # 要求 JDK 版本最低为 14

运行

运行主程序

java -jar target/Interpreter-1.0.2-jar-with-dependencies.jar heart.txt

输出:

pic

测试词法分析器

java -cp target/Interpreter-1.0.2-jar-with-dependencies.jar test.TestLexer heart.txt

输出:

|TYPE | LEXEME| VALUE| FUNCTION| POSITION|
|----------|----------|----------|----------|----------------|
|COLOR | color| 0.000000| null| {line:2,col:1}|
|IS | is| 0.000000| null| {line:2,col:7}|
|L_BRACKET | (| 0.000000| null| {line:2,col:10}|
|CONST_ID | 255|255.000000| null| {line:2,col:11}|
|COMMA | ,| 0.000000| null| {line:2,col:14}|
|CONST_ID | 255|255.000000| null| {line:2,col:16}|
|COMMA | ,| 0.000000| null| {line:2,col:19}|
|CONST_ID | 0| 0.000000| null| {line:2,col:21}|
|R_BRACKET | )| 0.000000| null| {line:2,col:22}|
|SEMICO | ;| 0.000000| null| {line:2,col:23}|
|SCALE | scale| 0.000000| null| {line:4,col:1}|
|IS | is| 0.000000| null| {line:4,col:7}|
|L_BRACKET | (| 0.000000| null| {line:4,col:10}|
|CONST_ID | 1| 1.000000| null| {line:4,col:11}|
|COMMA | ,| 0.000000| null| {line:4,col:12}|
|CONST_ID | 1| 1.000000| null| {line:4,col:14}|
|R_BRACKET | )| 0.000000| null| {line:4,col:15}|
|SEMICO | ;| 0.000000| null| {line:4,col:16}|
|SIZE | size| 0.000000| null| {line:5,col:1}|
|IS | is| 0.000000| null| {line:5,col:6}|
|CONST_ID | 10| 10.000000| null| {line:5,col:9}|
|SEMICO | ;| 0.000000| null| {line:5,col:11}|
|ORIGIN | origin| 0.000000| null| {line:7,col:1}|
|IS | is| 0.000000| null| {line:7,col:8}|
|L_BRACKET | (| 0.000000| null| {line:7,col:11}|
|CONST_ID | 450|450.000000| null| {line:7,col:12}|
|COMMA | ,| 0.000000| null| {line:7,col:15}|
|CONST_ID | 450|450.000000| null| {line:7,col:17}|
|R_BRACKET | )| 0.000000| null| {line:7,col:20}|
|SEMICO | ;| 0.000000| null| {line:7,col:21}|
|ROT | rot| 0.000000| null| {line:8,col:1}|
|IS | is| 0.000000| null| {line:8,col:5}|
|CONST_ID | pi| 3.141593| null| {line:8,col:8}|
|SEMICO | ;| 0.000000| null| {line:8,col:10}|
|FOR | for| 0.000000| null| {line:9,col:1}|
|T | t| 0.000000| null| {line:9,col:5}|
|FROM | from| 0.000000| null| {line:9,col:7}|
|CONST_ID | 0| 0.000000| null| {line:9,col:12}|
|TO | to| 0.000000| null| {line:9,col:14}|
|CONST_ID | 400|400.000000| null| {line:9,col:17}|
|STEP | step| 0.000000| null| {line:9,col:21}|
|CONST_ID | 1| 1.000000| null| {line:9,col:26}|
|DRAW | draw| 0.000000| null| {line:9,col:28}|
|L_BRACKET | (| 0.000000| null| {line:9,col:32}|
|T | t| 0.000000| null| {line:9,col:33}|
|COMMA | ,| 0.000000| null| {line:9,col:34}|
|T | t| 0.000000| null| {line:9,col:36}|
|R_BRACKET | )| 0.000000| null| {line:9,col:37}|
|SEMICO | ;| 0.000000| null| {line:9,col:38}|
|ORIGIN | origin| 0.000000| null| {line:12,col:1}|
|IS | is| 0.000000| null| {line:12,col:8}|
|L_BRACKET | (| 0.000000| null|{line:12,col:11}|
|CONST_ID | 200|200.000000| null|{line:12,col:12}|
|COMMA | ,| 0.000000| null|{line:12,col:15}|
|CONST_ID | 200|200.000000| null|{line:12,col:17}|
|R_BRACKET | )| 0.000000| null|{line:12,col:20}|
|SEMICO | ;| 0.000000| null|{line:12,col:21}|
|ROT | rot| 0.000000| null| {line:13,col:1}|
|IS | is| 0.000000| null| {line:13,col:5}|
|CONST_ID | pi| 3.141593| null| {line:13,col:8}|
|DIV | /| 0.000000| null|{line:13,col:10}|
|CONST_ID | 2| 2.000000| null|{line:13,col:11}|
|SEMICO | ;| 0.000000| null|{line:13,col:12}|
|SIZE | size| 0.000000| null| {line:14,col:1}|
|IS | is| 0.000000| null| {line:14,col:6}|
|CONST_ID | 5| 5.000000| null| {line:14,col:9}|
|SEMICO | ;| 0.000000| null|{line:14,col:10}|
|COLOR | color| 0.000000| null| {line:17,col:1}|
|IS | is| 0.000000| null| {line:17,col:7}|
|L_BRACKET | (| 0.000000| null|{line:17,col:10}|
|CONST_ID | 0| 0.000000| null|{line:17,col:11}|
|COMMA | ,| 0.000000| null|{line:17,col:12}|
|CONST_ID | 0| 0.000000| null|{line:17,col:14}|
|COMMA | ,| 0.000000| null|{line:17,col:15}|
|CONST_ID | 255|255.000000| null|{line:17,col:17}|
|R_BRACKET | )| 0.000000| null|{line:17,col:20}|
|SEMICO | ;| 0.000000| null|{line:17,col:21}|
|SCALE | scale| 0.000000| null| {line:18,col:1}|
|IS | is| 0.000000| null| {line:18,col:7}|
|L_BRACKET | (| 0.000000| null|{line:18,col:10}|
|CONST_ID | 50| 50.000000| null|{line:18,col:11}|
|COMMA | ,| 0.000000| null|{line:18,col:13}|
|CONST_ID | 50| 50.000000| null|{line:18,col:15}|
|R_BRACKET | )| 0.000000| null|{line:18,col:17}|
|SEMICO | ;| 0.000000| null|{line:18,col:18}|
|FOR | for| 0.000000| null| {line:19,col:1}|
|T | t| 0.000000| null| {line:19,col:5}|
|FROM | from| 0.000000| null| {line:19,col:7}|
|MINUS | -| 0.000000| null|{line:19,col:12}|
|CONST_ID | pi| 3.141593| null|{line:19,col:13}|
|TO | to| 0.000000| null|{line:19,col:16}|
|CONST_ID | pi| 3.141593| null|{line:19,col:19}|
|STEP | step| 0.000000| null|{line:19,col:22}|
|CONST_ID | pi| 3.141593| null|{line:19,col:27}|
|DIV | /| 0.000000| null|{line:19,col:29}|
|CONST_ID | 200|200.000000| null|{line:19,col:30}|
|DRAW | draw| 0.000000| null|{line:19,col:34}|
|L_BRACKET | (| 0.000000| null|{line:19,col:38}|
|L_BRACKET | (| 0.000000| null|{line:19,col:39}|
|CONST_ID | 2| 2.000000| null|{line:19,col:40}|
|MUL | *| 0.000000| null|{line:19,col:41}|
|FUNC | cos| 0.000000| cos|{line:19,col:42}|
|L_BRACKET | (| 0.000000| null|{line:19,col:45}|
|T | t| 0.000000| null|{line:19,col:46}|
|R_BRACKET | )| 0.000000| null|{line:19,col:47}|
|MINUS | -| 0.000000| null|{line:19,col:48}|
|FUNC | cos| 0.000000| cos|{line:19,col:49}|
|L_BRACKET | (| 0.000000| null|{line:19,col:52}|
|CONST_ID | 2| 2.000000| null|{line:19,col:53}|
|MUL | *| 0.000000| null|{line:19,col:54}|
|T | t| 0.000000| null|{line:19,col:55}|
|R_BRACKET | )| 0.000000| null|{line:19,col:56}|
|R_BRACKET | )| 0.000000| null|{line:19,col:57}|
|COMMA | ,| 0.000000| null|{line:19,col:58}|
|L_BRACKET | (| 0.000000| null|{line:19,col:60}|
|CONST_ID | 2| 2.000000| null|{line:19,col:61}|
|MUL | *| 0.000000| null|{line:19,col:62}|
|FUNC | sin| 0.000000| sin|{line:19,col:63}|
|L_BRACKET | (| 0.000000| null|{line:19,col:66}|
|T | t| 0.000000| null|{line:19,col:67}|
|R_BRACKET | )| 0.000000| null|{line:19,col:68}|
|MINUS | -| 0.000000| null|{line:19,col:69}|
|FUNC | sin| 0.000000| sin|{line:19,col:70}|
|L_BRACKET | (| 0.000000| null|{line:19,col:73}|
|CONST_ID | 2| 2.000000| null|{line:19,col:74}|
|MUL | *| 0.000000| null|{line:19,col:75}|
|T | t| 0.000000| null|{line:19,col:76}|
|R_BRACKET | )| 0.000000| null|{line:19,col:77}|
|R_BRACKET | )| 0.000000| null|{line:19,col:78}|
|R_BRACKET | )| 0.000000| null|{line:19,col:79}|
|SEMICO | ;| 0.000000| null|{line:19,col:80}|
|ORIGIN | origin| 0.000000| null| {line:22,col:1}|
|IS | is| 0.000000| null| {line:22,col:8}|
|L_BRACKET | (| 0.000000| null|{line:22,col:11}|
|CONST_ID | 200|200.000000| null|{line:22,col:12}|
|PLUS | +| 0.000000| null|{line:22,col:15}|
|CONST_ID | 80| 80.000000| null|{line:22,col:16}|
|COMMA | ,| 0.000000| null|{line:22,col:18}|
|CONST_ID | 200|200.000000| null|{line:22,col:20}|
|PLUS | +| 0.000000| null|{line:22,col:23}|
|CONST_ID | 80| 80.000000| null|{line:22,col:24}|
|R_BRACKET | )| 0.000000| null|{line:22,col:26}|
|SEMICO | ;| 0.000000| null|{line:22,col:27}|
|COLOR | color| 0.000000| null| {line:23,col:1}|
|IS | is| 0.000000| null| {line:23,col:7}|
|L_BRACKET | (| 0.000000| null|{line:23,col:10}|
|CONST_ID | 255|255.000000| null|{line:23,col:11}|
|COMMA | ,| 0.000000| null|{line:23,col:14}|
|CONST_ID | 0| 0.000000| null|{line:23,col:16}|
|COMMA | ,| 0.000000| null|{line:23,col:17}|
|CONST_ID | 0| 0.000000| null|{line:23,col:19}|
|R_BRACKET | )| 0.000000| null|{line:23,col:20}|
|SEMICO | ;| 0.000000| null|{line:23,col:21}|
|ROT | rot| 0.000000| null| {line:24,col:1}|
|IS | is| 0.000000| null| {line:24,col:5}|
|CONST_ID | pi| 3.141593| null| {line:24,col:8}|
|SEMICO | ;| 0.000000| null|{line:24,col:10}|
|SCALE | scale| 0.000000| null| {line:25,col:1}|
|IS | is| 0.000000| null| {line:25,col:7}|
|L_BRACKET | (| 0.000000| null|{line:25,col:10}|
|CONST_ID | 8| 8.000000| null|{line:25,col:11}|
|COMMA | ,| 0.000000| null|{line:25,col:12}|
|CONST_ID | 8| 8.000000| null|{line:25,col:14}|
|R_BRACKET | )| 0.000000| null|{line:25,col:15}|
|SEMICO | ;| 0.000000| null|{line:25,col:16}|
|FOR | for| 0.000000| null| {line:26,col:1}|
|T | t| 0.000000| null| {line:26,col:5}|
|FROM | from| 0.000000| null| {line:26,col:7}|
|CONST_ID | 0| 0.000000| null|{line:26,col:12}|
|TO | to| 0.000000| null|{line:26,col:14}|
|CONST_ID | 2| 2.000000| null|{line:26,col:17}|
|MUL | *| 0.000000| null|{line:26,col:18}|
|CONST_ID | pi| 3.141593| null|{line:26,col:19}|
|STEP | step| 0.000000| null|{line:26,col:22}|
|CONST_ID | pi| 3.141593| null|{line:26,col:27}|
|DIV | /| 0.000000| null|{line:26,col:29}|
|CONST_ID | 200|200.000000| null|{line:26,col:30}|
|DRAW | draw| 0.000000| null|{line:26,col:34}|
|L_BRACKET | (| 0.000000| null|{line:26,col:38}|
|CONST_ID | 16| 16.000000| null|{line:26,col:39}|
|MUL | *| 0.000000| null|{line:26,col:41}|
|L_BRACKET | (| 0.000000| null|{line:26,col:42}|
|FUNC | sin| 0.000000| sin|{line:26,col:43}|
|L_BRACKET | (| 0.000000| null|{line:26,col:46}|
|T | t| 0.000000| null|{line:26,col:47}|
|R_BRACKET | )| 0.000000| null|{line:26,col:48}|
|POWER | **| 0.000000| null|{line:26,col:49}|
|CONST_ID | 3| 3.000000| null|{line:26,col:51}|
|R_BRACKET | )| 0.000000| null|{line:26,col:52}|
|COMMA | ,| 0.000000| null|{line:26,col:53}|
|CONST_ID | 13| 13.000000| null|{line:26,col:55}|
|MUL | *| 0.000000| null|{line:26,col:57}|
|FUNC | cos| 0.000000| cos|{line:26,col:58}|
|L_BRACKET | (| 0.000000| null|{line:26,col:61}|
|T | t| 0.000000| null|{line:26,col:62}|
|R_BRACKET | )| 0.000000| null|{line:26,col:63}|
|MINUS | -| 0.000000| null|{line:26,col:64}|
|CONST_ID | 5| 5.000000| null|{line:26,col:65}|
|MUL | *| 0.000000| null|{line:26,col:66}|
|FUNC | cos| 0.000000| cos|{line:26,col:67}|
|L_BRACKET | (| 0.000000| null|{line:26,col:70}|
|CONST_ID | 2| 2.000000| null|{line:26,col:71}|
|MUL | *| 0.000000| null|{line:26,col:72}|
|T | t| 0.000000| null|{line:26,col:73}|
|R_BRACKET | )| 0.000000| null|{line:26,col:74}|
|MINUS | -| 0.000000| null|{line:26,col:75}|
|CONST_ID | 2| 2.000000| null|{line:26,col:76}|
|MUL | *| 0.000000| null|{line:26,col:77}|
|FUNC | cos| 0.000000| cos|{line:26,col:78}|
|L_BRACKET | (| 0.000000| null|{line:26,col:81}|
|CONST_ID | 3| 3.000000| null|{line:26,col:82}|
|MUL | *| 0.000000| null|{line:26,col:83}|
|T | t| 0.000000| null|{line:26,col:84}|
|R_BRACKET | )| 0.000000| null|{line:26,col:85}|
|MINUS | -| 0.000000| null|{line:26,col:86}|
|FUNC | cos| 0.000000| cos|{line:26,col:87}|
|L_BRACKET | (| 0.000000| null|{line:26,col:90}|
|CONST_ID | 4| 4.000000| null|{line:26,col:91}|
|MUL | *| 0.000000| null|{line:26,col:92}|
|T | t| 0.000000| null|{line:26,col:93}|
|R_BRACKET | )| 0.000000| null|{line:26,col:94}|
|R_BRACKET | )| 0.000000| null|{line:26,col:95}|
|SEMICO | ;| 0.000000| null|{line:26,col:96}|

测试语法分析器

java -cp target/Interpreter-1.0.2-jar-with-dependencies.jar test.TestParser heart.txt

输出:

E
 COLOR
 CONST_ID
 CONST_ID
 CONST_ID
 SCALE
 CONST_ID
 CONST_ID
 SIZE
 CONST_ID
 ORIGIN
 CONST_ID
 CONST_ID
 ROT
 CONST_ID
 FOR
 CONST_ID
 CONST_ID
 CONST_ID
 T
 T
 ORIGIN
 CONST_ID
 CONST_ID
 ROT
 DIV
 CONST_ID
 CONST_ID
 SIZE
 CONST_ID
 COLOR
 CONST_ID
 CONST_ID
 CONST_ID
 SCALE
 CONST_ID
 CONST_ID
 FOR
 MINUS
 CONST_ID
 CONST_ID
 DIV
 CONST_ID
 CONST_ID
 MINUS
 MUL
 CONST_ID
 FUNC
 T
 FUNC
 MUL
 CONST_ID
 T
 MINUS
 MUL
 CONST_ID
 FUNC
 T
 FUNC
 MUL
 CONST_ID
 T
 ORIGIN
 PLUS
 CONST_ID
 CONST_ID
 PLUS
 CONST_ID
 CONST_ID
 COLOR
 CONST_ID
 CONST_ID
 CONST_ID
 ROT
 CONST_ID
 SCALE
 CONST_ID
 CONST_ID
 FOR
 CONST_ID
 MUL
 CONST_ID
 CONST_ID
 DIV
 CONST_ID
 CONST_ID
 MUL
 CONST_ID
 POWER
 FUNC
 T
 CONST_ID
 MINUS
 MINUS
 MINUS
 MUL
 CONST_ID
 FUNC
 T
 MUL
 CONST_ID
 FUNC
 MUL
 CONST_ID
 T
 MUL
 CONST_ID
 FUNC
 MUL
 CONST_ID
 T
 FUNC
 MUL
 CONST_ID
 T

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Interpreter

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源文件

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测试词法分析器

测试语法分析器

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