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[examples] write labels.mdesk with examples of labels

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Allen Webster
2021-09-13 18:09:38 -07:00
parent feafba93f3
commit e5c9b49c83
6 changed files with 109 additions and 11 deletions
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docs/metadesk_reference.mdesk
+1 -1
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@@ -322,7 +322,7 @@ main:
@doc("This is a string literal that used triplets (three of its boundary characters in a row, on either side) to mark its boundaries, making it multiline.")
StringTriplet,
@doc("The label on this node comes from a token with the @code MD_TokenKind_NumericLiteral kind.")
@doc("The label on this node comes from a token with the @code MD_TokenKind_Numeric kind.")
Numeric,
@doc("The label on this node comes from a token with the @code MD_TokenKind_Identifier kind.")
Identifier,
examples/mdesk_files/labels.mdesk
+96
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@@ -0,0 +1,96 @@
////////////////////////////////
// Identifiers (MD_NodeFlag_Identifier)
abc _foo_ x123
almostAnyCIdentifier // not including $
////////////////////////////////
// Numerics (MD_NodeFlag_Numeric)
123 0x123ABC 0b10101 123.456
0.123 123_456_789
123abc456xyz
123e+100
456E-100
789e+E-e+E-100100xyz
////////////////////////////////
// String Literals (MD_NodeFlag_StringLiteral)
//(MD_NodeFlag_StringDoubleQuote)
"Hello World"
" 'Hello World` "
"\"Hello World\""
"\\\a\b\c\d\e\f\""
""
//(MD_NodeFlag_StringSingleQuote)
'Hello World'
' "Hello World` '
''
//(MD_NodeFlag_StringTick)
`Hello World`
` "Hello World' `
``
////////////////////////////////
// Multi-Line String Literals (MD_NodeFlag_StringLiteral|MD_NodeFlag_StringTriplet)
//(MD_NodeFlag_StringDoubleQuote)
"""
This string can go on
for as many lines as I want.
And it can say things like
"Hello World"
or you know, whatever.
"""
//(MD_NodeFlag_StringSingleQuote)
'''
Multi-line strings can start
with a triplet of any of the
string markers.
'''
//(MD_NodeFlag_Tick)
```
```
////////////////////////////////
// Symbols (MD_NodeFlag_Symbol)
+ - * / = & ^ % ! | ? < > . ~
$
++ -- ** == && ^^ %% !! || ??
<< >> .. ~~ $$ -> <- => <= ?.
+= -= *= /= |= &= ^= %= != |=
...
+- +++++++ ??? !? $! $$$ <->
+-*/=&^%~|?<>.~$
/*
** A few punctuation characters are not counted with the rest
** of the symbol characters. These are the 'reserved' characters:
** ( ) { } [ ] : ; , @ # \
**
** And the sequences // and /* start comments so no symbol
** can start with either of those pairs.
**
** Block comments are nested */
*/
////////////////////////////////
// Identifiers, Numbers, Strings, and Symbols are the different kinds
// of 'labels' in Metadesk. They can all form main metadesk nodes:
_foo_: { bar123456; _123; }
0: (1.0.1.1, 1.2.0.0)
```
#include <stdio.h>
int main(){
printf("Hello World\n");
}
```: "Hello World"
..: . + .
intro_notes.txt
+1 -1
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@@ -19,7 +19,7 @@ Example Programs:
Example Metadesk Files:
[x] Hello world
[ ] identifiers, numbers, strings, and symbols
[x] identifiers, numbers, strings, and symbols
[ ] sets, seperators, labels, and tags
source/md.c
+4 -3
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@@ -619,7 +619,7 @@ MD_CharIsUnreservedSymbol(MD_u8 c)
return (c == '~' || c == '!' || c == '$' || c == '%' || c == '^' ||
c == '&' || c == '*' || c == '-' || c == '=' || c == '+' ||
c == '<' || c == '.' || c == '>' || c == '/' || c == '?' ||
c == '|' || c == '\\');
c == '|');
}
MD_FUNCTION_IMPL MD_b32
@@ -1891,7 +1891,7 @@ MD_TokenFromString(MD_String8 string)
}break;
// NOTE(allen): Identifiers, Numbers, Operators
// NOTE(allen): Identifiers, Numbers, Symbols
default:
{
if (MD_CharIsAlpha(*at) || *at == '_')
@@ -1905,7 +1905,7 @@ MD_TokenFromString(MD_String8 string)
else if (MD_CharIsDigit(*at))
{
token.node_flags |= MD_NodeFlag_Numeric;
token.kind = MD_TokenKind_NumericLiteral;
token.kind = MD_TokenKind_Numeric;
at += 1;
for (; at < one_past_last;){
@@ -1932,6 +1932,7 @@ MD_TokenFromString(MD_String8 string)
{
symbol_lex:
token.node_flags |= MD_NodeFlag_Symbol;
token.kind = MD_TokenKind_Symbol;
at += 1;
MD_TokenizerScan(MD_CharIsUnreservedSymbol(*at));
source/md.h
+3 -2
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@@ -584,6 +584,7 @@ enum
MD_NodeFlag_Numeric = (1<<14),
MD_NodeFlag_Identifier = (1<<15),
MD_NodeFlag_StringLiteral = (1<<16),
MD_NodeFlag_Symbol = (1<<17),
};
typedef struct MD_Node MD_Node;
@@ -670,7 +671,7 @@ typedef MD_u32 MD_TokenKind;
enum
{
MD_TokenKind_Identifier = (1<<0),
MD_TokenKind_NumericLiteral = (1<<1),
MD_TokenKind_Numeric = (1<<1),
MD_TokenKind_StringLiteral = (1<<2),
MD_TokenKind_Symbol = (1<<3),
MD_TokenKind_Reserved = (1<<4),
@@ -692,7 +693,7 @@ enum
MD_TokenGroup_Whitespace),
MD_TokenGroup_Regular = ~MD_TokenGroup_Irregular,
MD_TokenGroup_Label = (MD_TokenKind_Identifier|
MD_TokenKind_NumericLiteral|
MD_TokenKind_Numeric|
MD_TokenKind_StringLiteral|
MD_TokenKind_Symbol),
MD_TokenGroup_Error = (MD_TokenKind_BrokenComment|
tests/sanity_tests.c
+4 -4
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@@ -104,15 +104,15 @@ int main(void)
TestResult(TokenMatch(tokens[1], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[2], MD_S8Lit("def"), MD_TokenKind_Identifier));
TestResult(TokenMatch(tokens[3], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[4], MD_S8Lit("123"), MD_TokenKind_NumericLiteral));
TestResult(TokenMatch(tokens[4], MD_S8Lit("123"), MD_TokenKind_Numeric));
TestResult(TokenMatch(tokens[5], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[6], MD_S8Lit("456"), MD_TokenKind_NumericLiteral));
TestResult(TokenMatch(tokens[6], MD_S8Lit("456"), MD_TokenKind_Numeric));
TestResult(TokenMatch(tokens[7], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[8], MD_S8Lit("123_456"), MD_TokenKind_NumericLiteral));
TestResult(TokenMatch(tokens[8], MD_S8Lit("123_456"), MD_TokenKind_Numeric));
TestResult(TokenMatch(tokens[9], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[10], MD_S8Lit("abc123"), MD_TokenKind_Identifier));
TestResult(TokenMatch(tokens[11], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[12], MD_S8Lit("123abc"), MD_TokenKind_NumericLiteral));
TestResult(TokenMatch(tokens[12], MD_S8Lit("123abc"), MD_TokenKind_Numeric));
TestResult(TokenMatch(tokens[13], MD_S8Lit(" "), MD_TokenKind_Whitespace));
TestResult(TokenMatch(tokens[14], MD_S8Lit("+-*"), MD_TokenKind_Symbol));
}