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50 Commits

Author SHA1 Message Date
Roberto Ierusalimschy 45cf24485d useless #include. 1996-02-14 15:25:04 -03:00
Roberto Ierusalimschy 0f4903a5d7 new header "lex.h". 1996-02-13 14:30:39 -03:00
Roberto Ierusalimschy 41259bff31 BIG CHANGE: new data structure for constants, strings and globals, using 
an array of hash tables for all them.
 1996-02-12 15:32:40 -03:00
Roberto Ierusalimschy 5a3a1fe458 debug interface functions to manipulated local variables: 
"lua_getlocal" and "lua_setlocal".
 1996-02-07 16:10:27 -02:00
Roberto Ierusalimschy 1431b52e76 improve of compiling error messages. 1996-02-05 11:26:01 -02:00
Roberto Ierusalimschy 2998049f51 local variable stack needs only the name of the variable (TreeNode); 
this way is simpler and faster than old way.
 1996-01-23 15:50:29 -02:00
Roberto Ierusalimschy 24ccc7c038 correction of some order dependencies in debug code. 1996-01-22 16:39:37 -02:00
Roberto Ierusalimschy 9d9f9c48ff local variables may appear inside blocks in main code. 1995-10-26 15:02:50 -02:00
Roberto Ierusalimschy 15d48576ea functions now may be declared with any "var" as a name; 
therefore they do not have a "baptism" name.
Changes in debug API to acomodate that.
 1995-10-26 12:21:56 -02:00
Roberto Ierusalimschy 39b071f7b1 new syntax for function declarations: "function a.x () ... " 
new semantics for function declarations: function f () is valid only
at run-time.
 1995-10-25 12:33:25 -02:00
Roberto Ierusalimschy 9efc257d9d new method to keep debug line information: current line is stored on the 
Lua stack, just below (new) base, with tag LUA_T_LINE.
SETLINE opcodes are generated by lex.
 1995-10-25 11:05:51 -02:00
Roberto Ierusalimschy 2cffb08a5c new style for debug information about functions: no more SETFUNCTION 
opcodes. When a function is called, its entry in the stack is marked with
LUA_T_(C)MARK, so function 'luaD_stackedfunction' can find it if
needed.
Functions now have their file names in the headers, so there is no need
of 'addfile' and the like.
 1995-10-17 09:58:41 -02:00
Roberto Ierusalimschy 68f337dfa6 Garbage collection of functions + header structure for functions 1995-10-04 14:13:02 -03:00
Roberto Ierusalimschy 97b2fd1ba1 syntax for {...;...} is more flexible now. 1995-06-08 16:47:28 -03:00
Waldemar Celes 8156604823 run-time stack now is controled at run time, instead of 
compilation time.
 1995-04-11 14:56:30 -03:00
Roberto Ierusalimschy f4591397da strdup is done via mem.c to control its memory allocation 1995-01-14 13:40:26 -02:00
Waldemar Celes a8220feed2 bytecodes are indexed by integers, not Words, to allow bigger code on 32 bit machines 1994-12-27 18:41:11 -02:00
Waldemar Celes 8bc4b0d741 routines are defined before rules, to allow correct compilation with bison 1994-12-27 18:04:29 -02:00
Roberto Ierusalimschy 8cb8594a3b better control of integer types and their limits 1994-12-20 19:20:36 -02:00
Roberto Ierusalimschy ce4fb88b34 opcode PUSHSELF has a parameter that indicates the method to be called 1994-12-06 12:27:18 -02:00
Roberto Ierusalimschy fbfa1cbe9b erased function yywrap (nobody used it) 1994-11-25 17:24:57 -02:00
Roberto Ierusalimschy e901e0feae modifications to avoid warnings when compiling yacc code 1994-11-23 12:39:52 -02:00
Roberto Ierusalimschy 68d1091b79 no more unary '+' 1994-11-22 13:50:46 -02:00
Roberto Ierusalimschy aa4cd37adf small bug corrected 1994-11-17 19:11:37 -02:00
Roberto Ierusalimschy 9bee23fd05 listing did not list POWOP 1994-11-17 17:09:46 -02:00
Roberto Ierusalimschy 3bd0f9e211 uses new memory module (mem.c). 
small changes in seting debug line.
if and elseif unified in a outine 'codeIf'
 1994-11-17 16:59:06 -02:00
Roberto Ierusalimschy 86b35cf4f6 unification of symbol tree and constant tree 1994-11-14 19:40:14 -02:00
Roberto Ierusalimschy 5e60b961de small changes to avoid shadowing 1994-11-13 12:54:18 -02:00
Roberto Ierusalimschy b8bfa9628d because lua_error does a longjmp, there is no need to a variable 
'err'.
lua_parse has a different interface, to allow the free of the main
block even if compilation fails.
small changes in the debug system.
 1994-11-09 16:07:38 -02:00
Roberto Ierusalimschy 0a5dce5704 new opcodes for '>' and '>=' 1994-11-06 13:35:04 -02:00
Roberto Ierusalimschy 2651afc455 RESET is generated at codereturn. 1994-11-03 20:32:42 -02:00
Roberto Ierusalimschy fbf887ec2b new way to call functions, plus several small changes. This is 
a temporary version!
 1994-11-02 18:30:53 -02:00
Roberto Ierusalimschy f53460aab9 CREATEARRAY now has an argument, the size of the array to create. 1994-11-01 16:25:20 -02:00
Roberto Ierusalimschy fb23cd2e26 deletion of 'include mm.h' 1994-10-21 17:00:12 -02:00
Waldemar Celes 424db1db0c power operator (^). 
no more contructors (@).
methods can be called on indexed variables.
fixed debuging information.
 1994-10-17 17:05:32 -02:00
Waldemar Celes ceaaa0cca8 Correcao do tratamento de erro reportado dentro de uma funcao. 1994-10-11 11:38:17 -03:00
Waldemar Celes 87dded9363 Mudancas na sintaxe para a versao 2.0. Igual relacional passa 
a ser ==, tiramos o colchete na criacao de tabelas usando apenas
chaves (podendo fazer inicializacao mista). O caracter  @ so' deve
estar presente quando se tem construtores associados.
/
 1994-10-11 10:02:39 -03:00
Waldemar Celes 41fd23287a Implementacao da definicao e chamada de METODOS. 1994-08-05 16:31:09 -03:00
Waldemar Celes b1e9b37883 Implementacao de funcoes para tratar Lua function em C e 
correcoes de bugs nas tabelas dinamicas.
 1994-08-03 11:15:46 -03:00
Waldemar Celes 493d718b7f Uso de arvores binarias para armazenar nomes e realocacao dinamica 
de tabelas (pilhas, hashtable, globais, codigo, etc.)
 1994-07-19 18:27:18 -03:00
Waldemar Celes f8fb7b3947 Alteracao do tipo da variavel "pc" na compilacao, passando 
a ser indice e nao mais ponteiro.
 1994-04-20 13:22:21 -03:00
Waldemar Celes 14b6ab3540 Nova estrategia de alocacao de buffers para codigo intermediario. 1994-04-19 16:06:15 -03:00
Waldemar Celes 3ee5e71d0b Correcao da funcao PrintCode 1994-04-15 18:30:12 -03:00
Waldemar Celes c77d27afa2 O token NAME deixa de estar associado a um indice da tabela de 
simbolos e passa a conter o ponteiro da string yytext.
Recebido o token NAME, decide-se entre um simbolo ou uma constante.
 1994-04-15 16:02:04 -03:00
Waldemar Celes 8ca980966c Alteracao para retirar codificacao de NOP's, substituindo 
pela utilizacao de "union" com "chars" para codificar Word e float.
Observa-se que foram realizados testes antes da alteracao e constatou-se
que do bytecode anteriormente gerado, NOP representava de 10 a 13% do
total de bytes do codigo. Esta percentagem chegava ate' a 20% na caso
de descricao de metafile utilizando Lua.
 1994-04-13 18:37:20 -03:00
Waldemar Celes ea1a7a6b27 Acrescentar o gerenciador de memoria "mm" e corrigir um bug pois 
no novo "lex" o token FUNCTION nao tem valor associado.
 1994-03-28 12:14:54 -03:00
Roberto Ierusalimschy 7f3d01c200 otimizacao do codigo para construtores. 
correcao do tamanho do buffer de codigo.
 1994-02-13 18:38:20 -02:00
Roberto Ierusalimschy 019aa98f80 correcao de bug em constantes (rotina code_number) entre 
2 bytes e 4 bytes.
 1993-12-28 14:42:29 -02:00
Roberto Ierusalimschy 7f8a7e16cd criacao do token WRONGTOKEN, necessario para o novo analizador lexico 1993-12-22 19:19:23 -02:00
Waldemar Celes 93683d530d LUA YACC syntax and semantics 1993-12-17 16:53:07 -02:00