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support const (#4190)

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This commit is contained in:
Alex Lam S.L
2020-10-11 18:18:57 +01:00
committed by GitHub
parent ffcce28ce1
commit 55451e7b78
15 changed files with 1265 additions and 302 deletions
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49
lib/output.js
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@@ -835,10 +835,6 @@ function OutputStream(options) {
use_asm = was_asm;
}
AST_StatementWithBody.DEFMETHOD("_do_print_body", function(output) {
force_statement(this.body, output);
});
DEFPRINT(AST_Statement, function(output) {
this.body.print(output);
output.semicolon();
@@ -897,7 +893,7 @@ function OutputStream(options) {
self.condition.print(output);
});
output.space();
self._do_print_body(output);
force_statement(self.body, output);
});
DEFPRINT(AST_For, function(output) {
var self = this;
@@ -927,7 +923,7 @@ function OutputStream(options) {
}
});
output.space();
self._do_print_body(output);
force_statement(self.body, output);
});
DEFPRINT(AST_ForIn, function(output) {
var self = this;
@@ -941,7 +937,7 @@ function OutputStream(options) {
self.object.print(output);
});
output.space();
self._do_print_body(output);
force_statement(self.body, output);
});
DEFPRINT(AST_With, function(output) {
var self = this;
@@ -951,7 +947,7 @@ function OutputStream(options) {
self.expression.print(output);
});
output.space();
self._do_print_body(output);
force_statement(self.body, output);
});
/* -----[ functions ]----- */
@@ -1036,7 +1032,7 @@ function OutputStream(options) {
else
force_statement(self.alternative, output);
} else {
self._do_print_body(output);
force_statement(self.body, output);
}
});
@@ -1114,17 +1110,21 @@ function OutputStream(options) {
print_braced(this, output);
});
DEFPRINT(AST_Var, function(output) {
var self = this;
output.print("var");
output.space();
self.definitions.forEach(function(def, i) {
if (i) output.comma();
def.print(output);
});
var p = output.parent();
if (p && p.init !== self || !(p instanceof AST_For || p instanceof AST_ForIn)) output.semicolon();
});
function print_definitinos(type) {
return function(output) {
var self = this;
output.print(type);
output.space();
self.definitions.forEach(function(def, i) {
if (i) output.comma();
def.print(output);
});
var p = output.parent();
if (p && p.init !== self || !(p instanceof AST_For || p instanceof AST_ForIn)) output.semicolon();
};
}
DEFPRINT(AST_Const, print_definitinos("const"));
DEFPRINT(AST_Var, print_definitinos("var"));
function parenthesize_for_noin(node, output, noin) {
var parens = false;
@@ -1383,11 +1383,12 @@ function OutputStream(options) {
function force_statement(stat, output) {
if (output.option("braces")) {
make_block(stat, output);
} else if (!stat || stat instanceof AST_EmptyStatement) {
output.force_semicolon();
} else if (stat instanceof AST_Const) {
make_block(stat, output);
} else {
if (!stat || stat instanceof AST_EmptyStatement)
output.force_semicolon();
else
stat.print(output);
stat.print(output);
}
}