Remove repetition from language spec descriptions

This commit is contained in:
Max Brunsfeld 2014-10-19 12:36:43 -07:00
parent 38ad248a53
commit 8134b64d00
14 changed files with 250 additions and 71 deletions

View file

@ -1,10 +1,13 @@
==========================================
parses multiple statements
multiple statements
==========================================
var x = {}, z, i = 0;
firstFunction(x)
secondFunction(x);
---
(program
(var_declaration
(var_assignment (identifier) (object))
@ -14,32 +17,39 @@ secondFunction(x);
(expression_statement (function_call (identifier) (identifier))))
==========================================
js parses if statements
if statements
==========================================
if (isReady()) {
console.log(theData)
}
---
(if_statement (function_call (identifier))
(statement_block (expression_statement (function_call (property_access (identifier) (identifier)) (identifier)))))
==========================================
parses if-else statements
if-else statements
==========================================
if (theCondition) {
firstFunction();
} else {
secondFunction();
}
---
(if_statement
(identifier)
(statement_block (expression_statement (function_call (identifier))))
(statement_block (expression_statement (function_call (identifier)))))
==================================================
parses if-else statements with multiple conditions
if-else statements with multiple conditions
==================================================
if (firstValue) {
firstFunction();
} else if (secondValue)
@ -47,7 +57,9 @@ if (firstValue) {
else {
thirdFunction();
}
---
(if_statement (identifier)
(statement_block (expression_statement (function_call (identifier))))
(if_statement (identifier)
@ -55,12 +67,15 @@ else {
(statement_block (expression_statement (function_call (identifier))))))
==========================================
parses for loops
for loops
==========================================
for (var i = 1; someCondition(i); i = next()) {
doSomething();
}
---
(for_statement
(var_declaration (var_assignment (identifier) (number)))
(expression_statement (function_call (identifier) (identifier)))
@ -68,13 +83,16 @@ for (var i = 1; someCondition(i); i = next()) {
(statement_block (expression_statement (function_call (identifier)))))
==========================================
parses for-in loops
for-in loops
==========================================
for (var key in someObject)
doSomething();
for (key in someObject)
doSomethingElse();
---
(program
(for_in_statement
(identifier) (identifier)
@ -84,19 +102,22 @@ for (key in someObject)
(expression_statement (function_call (identifier)))))
==========================================
parses while loops
while loops
==========================================
while (someCondition(i)) {
doSomething();
}
---
(while_statement
(function_call (identifier) (identifier))
(statement_block (expression_statement (function_call (identifier)))))
==========================================
parses try/catch statements
try/catch statements
==========================================
try {
doSomething();
} catch (e) {
@ -108,7 +129,9 @@ try {
} finally {
logError();
}
---
(program
(try_statement
(statement_block (expression_statement (function_call (identifier))))
@ -120,26 +143,33 @@ try {
(statement_block (expression_statement (function_call (identifier)))))))
===========================================
parses throw statements
throw statements
===========================================
throw new Error("wtf");
---
(throw_statement (constructor_call (function_call (identifier) (string))))
===========================================
parses indented code after blocks
indented code after blocks
===========================================
function x() {}
return z;
---
(program
(expression_statement
(function_expression (identifier) (formal_parameters) (statement_block)))
(return_statement (identifier)))
===========================================
parses switch statements
switch statements
===========================================
switch(x) {
case "hello":
print("one");
@ -150,7 +180,9 @@ switch(x) {
default:
print("three");
}
---
(switch_statement (identifier)
(switch_case
(string)

View file

@ -1,19 +1,25 @@
==========================================
recovers from errors in function calls
errors in function calls
==========================================
stuff(|||);
---
(expression_statement (function_call (identifier) (ERROR '|')))
==========================================
recovers from errors in if statements
errors in if statements
==========================================
stuff();
if (*nonsense*) {
*more-nonsense*;
}
moreStuff();
---
(program
(expression_statement (function_call (identifier)))
(if_statement (ERROR '*')

View file

@ -1,36 +1,48 @@
==========================================
parses regexes
regexes
==========================================
theFunction(/regex1/, /regex2/g);
---
(expression_statement (function_call (identifier)
(regex) (regex)))
==========================================
parses numbers
numbers
==========================================
theFunction(100.0, 200);
---
(expression_statement (function_call (identifier)
(number) (number)))
==========================================
parses strings
strings
==========================================
theFunction('', "", 'single-quoted-string', "double-quoted-string");
---
(expression_statement (function_call (identifier)
(string) (string) (string) (string)))
==========================================
parses function expressions
function expressions
==========================================
var x = {
theMethod: function(argA, argB) {
var x = argA;
}
};
---
(var_declaration (var_assignment
(identifier)
(object (identifier) (function_expression
@ -39,8 +51,9 @@ var x = {
(var_declaration (var_assignment (identifier) (identifier))))))))
==========================================
parses comments
comments
==========================================
// this is the beginning of the script.
// here we go.
var thing = {
@ -53,6 +66,7 @@ var thing = {
doStuff();
}
};
---
(comment)
(comment)
@ -68,9 +82,12 @@ var thing = {
(expression_statement (function_call (identifier))))))))
==========================================
parses comments within expressions
comments within expressions
==========================================
y // comment
* z;
---
(expression_statement (math_op (expression (identifier) (comment)) (identifier)))

View file

@ -1,17 +1,23 @@
==========================================
parses function calls
function calls
==========================================
x.theMethod(5, 6);
---
(expression_statement (function_call
(property_access (identifier) (identifier))
(number) (number)))
==========================================
parses constructor calls
constructor calls
==========================================
var x = new Node(5, new Node(3, null));
---
(var_declaration (var_assignment
(identifier)
(constructor_call (function_call (identifier)
@ -21,11 +27,14 @@ var x = new Node(5, new Node(3, null));
(null)))))))
==========================================
parses property access with dot notation
property access with dot notation
==========================================
object.property = "the-value";
print(object.property);
---
(program
(expression_statement (assignment
(property_access (identifier) (identifier))
@ -35,22 +44,27 @@ print(object.property);
(property_access (identifier) (identifier)))))
==========================================
parses property access across lines
property access across lines
==========================================
object
.someProperty
.otherProperty
---
(expression_statement
(property_access
(property_access (identifier) (identifier))
(identifier)))
===========================================
parses dynamic property access
dynamic property access
==========================================
object[propertName()] = propertyValue();
print(object[propertyName()]);
---
(program
(expression_statement (assignment
@ -61,18 +75,22 @@ print(object[propertyName()]);
(property_access (identifier) (function_call (identifier))))))
==========================================
parses ternary expressions
ternary expressions
==========================================
print(isDone() ? stuff : otherStuff);
---
(expression_statement
(function_call
(identifier)
(ternary (function_call (identifier)) (identifier) (identifier))))
==========================================
parses mathematical operators
mathematical operators
==========================================
-a + b * c - d / +e
---
@ -84,11 +102,13 @@ parses mathematical operators
(math_op (identifier) (math_op (identifier))))))
==========================================
parses boolean operators
boolean operators
=========================================
!a || !(b && c)
---
(expression_statement
(bool_op
(bool_op (identifier))
@ -96,19 +116,22 @@ parses boolean operators
(expression (bool_op (identifier) (identifier))))))
===========================================
parses the type operators
type operators
===========================================
print((x instanceof Array) || (typeof x == "string"))
---
(expression_statement (function_call (identifier)
(bool_op
(expression (instanceof_expression (identifier) (identifier)))
(expression (typeof_expression (bool_op (identifier) (string)))))))
============================================
parses the 'in' operator
the 'in' operator
===========================================
print(x in y)
---
@ -117,13 +140,16 @@ print(x in y)
(in_expression (identifier) (identifier))))
============================================
parses assignment operators
assignment operators
============================================
x += 1;
x -= 1;
x *= 2;
x /= 2;
---
(program
(expression_statement (assignment (identifier) (number)))
(expression_statement (assignment (identifier) (number)))
@ -131,11 +157,13 @@ x /= 2;
(expression_statement (assignment (identifier) (number))))
============================================
parses property access and operators
property access and operators
============================================
print(x.y.z && a.b.c)
---
(expression_statement (function_call (identifier)
(bool_op
(property_access (property_access (identifier) (identifier)) (identifier))