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Added wesley samples

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This commit is contained in:
Jonathan Turner 2009-06-06 16:35:37 +00:00
parent 99b84c0fab
commit 9ca43e6290
6 changed files with 41 additions and 3 deletions
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14
samples/fun.wes Normal file
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@ -0,0 +1,14 @@
//functions of zero params don't need them:
def meet {
print("Hello")
}
def greet(x) {
print("Hello, " + x.to_string())
}
//but you need parens for invocation:
meet()
//multiple commands per line:
greet(1); greet("bob")

1
samples/hello.wes Normal file
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@ -0,0 +1 @@
print("Hello")

10
samples/if.wes Normal file
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@ -0,0 +1,10 @@
i = 0
if (i == 0) {
print("i is 0")
}
elseif (i == 1) {
print("i is 1")
}
else {
print("i is not 0 or 1")
}

8
samples/oper.wes Normal file
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@ -0,0 +1,8 @@
x = -(1 + 2 - 3 * 4 / 2)
print("Answer: " + x.to_string())
if (x >= 2 && x <= 4) {
print("x is between 2 and 4")
}

5
samples/while.wes Normal file
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@ -0,0 +1,5 @@
i = 0
while (i < 10) {
print("i: " + i.to_string())
i = i + 1
}

6
wesley/main.cpp
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@ -365,7 +365,7 @@ Rule build_parser_rules() {
fundef = Ign(Str("def")) >> Id(TokenType::Identifier) >> ~(Ign(Id(TokenType::Parens_Open)) >> ~params >> Ign(Id(TokenType::Parens_Close))) >>
block >> ~Ign(Id(TokenType::Semicolon));
params = Id(TokenType::Identifier) >> *(Ign(Str(",")) >> Id(TokenType::Identifier));
block = *(Ign(Id(TokenType::Semicolon))) >> Ign(Id(TokenType::Curly_Open)) >> *(Ign(Id(TokenType::Semicolon))) >> ~statements >> Ign(Id(TokenType::Curly_Close));
block = *(Ign(Id(TokenType::Semicolon))) >> Ign(Id(TokenType::Curly_Open)) >> *(Ign(Id(TokenType::Semicolon))) >> ~statements >> Ign(Id(TokenType::Curly_Close)) >> *(Ign(Id(TokenType::Semicolon)));
equation = *((Id(TokenType::Identifier) >> Str("=")) | (Id(TokenType::Identifier) >> Str("+=")) | (Id(TokenType::Identifier) >> Str("-=")) |
(Id(TokenType::Identifier) >> Str("*=")) | (Id(TokenType::Identifier) >> Str("/="))) >> boolean;
boolean = comparison >> *((Str("&&") >> comparison) | (Str("||") >> comparison));
@ -465,7 +465,7 @@ Boxed_Value evaluate_string(Lexer &lexer, Rule &parser, BoxedCPP_System &ss, con
}
catch (ParserError &pe) {
if (filename != std::string("__EVAL__")) {
std::cout << "Parsing error: \"" << pe.reason << "\" in '" << pe.location->filename << "' line: " << pe.location->start.line << std::endl;
std::cout << "Parsing error: \"" << pe.reason << "\" in '" << pe.location->filename << "' line: " << pe.location->start.line+1 << std::endl;
}
else {
std::cout << "Parsing error: \"" << pe.reason << "\"" << std::endl;
@ -473,7 +473,7 @@ Boxed_Value evaluate_string(Lexer &lexer, Rule &parser, BoxedCPP_System &ss, con
}
catch (EvalError &ee) {
if (filename != std::string("__EVAL__")) {
std::cout << "Eval error: \"" << ee.reason << "\" in '" << ee.location->filename << "' line: " << ee.location->start.line << std::endl;
std::cout << "Eval error: \"" << ee.reason << "\" in '" << ee.location->filename << "' line: " << ee.location->start.line+1 << std::endl;
}
else {
std::cout << "Eval error: \"" << ee.reason << "\"" << std::endl;