generic-library/ChaiScript
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Change 'elseif' to 'else if' to better support C++ expectations

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This commit is contained in:
Jonathan Turner
2009-07-17 14:16:27 +00:00
parent 689143aba5
commit ac817ff33a
4 changed files with 25 additions and 22 deletions
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4
include/chaiscript/language/chaiscript_eval.hpp
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@@ -525,13 +525,13 @@ namespace chaiscript
retval = eval_token(ss, node->children[i+1]);
cond = true;
}
else if (node->children[i]->text == "elseif") {
else if (node->children[i]->text == "else if") {
retval = eval_token(ss, node->children[i+1]);
try {
cond = dispatchkit::boxed_cast<bool &>(retval);
}
catch (const dispatchkit::bad_boxed_cast &) {
throw Eval_Error("Elseif condition not boolean", node->children[i+1]);
throw Eval_Error("'else if' condition not boolean", node->children[i+1]);
}
if (cond) {
retval = eval_token(ss, node->children[i+2]);

13
include/chaiscript/language/chaiscript_parser.hpp
View File

@@ -846,23 +846,25 @@ namespace chaiscript
while (has_matches) {
while (Eol());
has_matches = false;
if (Keyword("elseif", true)) {
if (Keyword("else", true)) {
if (Keyword("if")) {
match_stack.back()->text = "else if";
if (!Char('(')) {
throw Eval_Error("Incomplete 'elseif' expression", File_Position(line, col), filename);
throw Eval_Error("Incomplete 'else if' expression", File_Position(line, col), filename);
}
if (!(Expression() && Char(')'))) {
throw Eval_Error("Incomplete 'elseif' expression", File_Position(line, col), filename);
throw Eval_Error("Incomplete 'else if' expression", File_Position(line, col), filename);
}
while (Eol());
if (!Block()) {
throw Eval_Error("Incomplete 'elseif' block", File_Position(line, col), filename);
throw Eval_Error("Incomplete 'else if' block", File_Position(line, col), filename);
}
has_matches = true;
}
else if (Keyword("else", true)) {
else {
while (Eol());
if (!Block()) {
@@ -871,6 +873,7 @@ namespace chaiscript
has_matches = true;
}
}
}
build_match(Token_Type::If, prev_stack_top);
}

4
unittests/if_elseif.chai
View File

@@ -2,10 +2,10 @@ var i = 3
if (i == 2) {
print("2")
}
elseif (i == 4) {
else if (i == 4) {
print("4")
}
elseif (i == 3) {
else if (i == 3) {
print("3")
}

2
unittests/if_elseif_else.chai
View File

@@ -2,7 +2,7 @@ var i = 3
if (i == 2) {
print("2")
}
elseif (i == 4) {
else if (i == 4) {
print("4")
}
else {