diff options
Diffstat (limited to 'src/compiler')
-rw-r--r-- | src/compiler/compiler.lm | 50 | ||||
-rw-r--r-- | src/compiler/expr.lm | 2 |
2 files changed, 9 insertions, 43 deletions
diff --git a/src/compiler/compiler.lm b/src/compiler/compiler.lm index d5b16bb..c51b509 100644 --- a/src/compiler/compiler.lm +++ b/src/compiler/compiler.lm @@ -106,14 +106,10 @@ context fspec ignore / '//' [^\n]* '\n' | space+ / literal `: `[ `] `| `; token VISUAL / 'nul' | 'dec' | 'hex' | 'str' / - token ENDIANESS / 'le' | 'be' / end literal `enum `struct - def endianess - [name:ENDIANESS] - def visual [name:VISUAL] @@ -127,7 +123,7 @@ context fspec def extra # if set, this field has trivial length, otherwise need to read subscripts length:collapser::collapsed - [subscript:subscript* filter:filter* visual:visual? endianess:endianess?] { + [subscript:subscript* filter:filter* visual:visual?] { f:str = '' has_slice:bool for l:subscript in repeat(r1) { @@ -172,8 +168,8 @@ context fspec # select ((expr)) { ... } name <extra>; # struct (optional) { ... } name <extra>; | [container:container::type name:reference::variable::type extra:extra `;] - # (enum|struct) name { ... } <(le|be)>; - | [container:container::type endianess:endianess? `;] + # (enum|struct) name { ... } <filters>; + | [container:container::type filter:filter* `;] end def source @@ -196,17 +192,15 @@ if (!source) { } struct scope - endianess:str names:map<str, map<str, any>> end global g_scopes:list<scope> = new list<scope>() void -push_scope(endianess:str) { +push_scope() { s:scope = new scope() s->names = new map<str, map<str, any>>() - s->endianess = endianess g_scopes->push_head(s) } @@ -271,28 +265,6 @@ container_name_str(s:str) { if (!s) return '<anon>' return s } str signed_str(s:bool) { if (s) return 'signed' return 'unsigned' } -str -endianess_str(s:str) -{ - if (s == 'be') - return 'big-endian' - else if (s == 'le') - return 'little-endian' - - print('something went wrong!\n') - exit(1) -} - -str -endianess_from_decl(d:fspec::declaration::type) -{ - endianess:str = g_scopes->top->endianess - if (d.endianess) - for e:fspec::declaration::endianess in child(d.endianess) endianess = $e - if (d.extra && d.extra.endianess) - for e:fspec::declaration::endianess in child(d.extra.endianess) endianess = $e - return endianess -} void print_declaration(d:fspec::declaration::type) @@ -334,9 +306,7 @@ print_declaration(d:fspec::declaration::type) print(' it needs to be filtered with `', $f.function, '`\n') for v:fspec::declaration::visual in child(d.extra.visual) - print(' and it should be visualized as `', $v.name, '`\n') - - print(' the field is in ', endianess_str(endianess_from_decl(d)), ' byte order\n') + print('and it should be visualized as `', $v.name, '`\n') } } @@ -357,7 +327,7 @@ walk(d:fspec::declaration::type) insert('variable', $i.decl.name, i) } } else if ($s.data.type == 'struct') { - push_scope(endianess_from_decl(d)) + push_scope() for i:fspec::container::strukt::item in repeat(s.data.items) { if (i.data.container) walk(i.data) @@ -366,25 +336,21 @@ walk(d:fspec::declaration::type) } pop_scope() } else if ($s.data.type == 'select') { - push_scope(endianess_from_decl(d)) - print('━━━━ start of (', $s.data.select, ') ━━━━\n') + push_scope() for i:fspec::container::select::item in repeat(s.data.items) { if (i.expr) - print('━━━━ (', $i.expr, ')\n') else - print('━━━━ DEFAULT\n') if (i.data.container) walk(i.data) else print_declaration(i.data) } - print('━━━━ end of (', $s.data.select, ') ━━━━\n') pop_scope() } } -push_scope('le') +push_scope() for d:fspec::declaration::type in repeat(source.items) walk(d) pop_scope() diff --git a/src/compiler/expr.lm b/src/compiler/expr.lm index 1ecdc44..c5548cc 100644 --- a/src/compiler/expr.lm +++ b/src/compiler/expr.lm @@ -75,7 +75,7 @@ context reference lex # reserved literal `struct `enum `select - literal `nul `dec `hex `str `be `le + literal `nul `dec `hex `str literal `until `sizeof token PRIMITIVE / [us][1-9][0-9]* / literal `( `) `, |