Emit pragma support for JS backend.

This commit is contained in:
Yuriy Glukhov 2015-07-25 22:33:53 -07:00
commit 21e7e7c895

View file

@ -729,14 +729,13 @@ proc genBreakStmt(p: PProc, n: PNode) =
p.blocks[idx].id = abs(p.blocks[idx].id) # label is used p.blocks[idx].id = abs(p.blocks[idx].id) # label is used
addf(p.body, "break L$1;$n" | "goto ::L$1::;$n", [rope(p.blocks[idx].id)]) addf(p.body, "break L$1;$n" | "goto ::L$1::;$n", [rope(p.blocks[idx].id)])
proc genAsmStmt(p: PProc, n: PNode) = proc genAsmOrEmitStmt(p: PProc, n: PNode) =
genLineDir(p, n) genLineDir(p, n)
assert(n.kind == nkAsmStmt)
for i in countup(0, sonsLen(n) - 1): for i in countup(0, sonsLen(n) - 1):
case n.sons[i].kind case n.sons[i].kind
of nkStrLit..nkTripleStrLit: add(p.body, n.sons[i].strVal) of nkStrLit..nkTripleStrLit: add(p.body, n.sons[i].strVal)
of nkSym: add(p.body, mangleName(n.sons[i].sym)) of nkSym: add(p.body, mangleName(n.sons[i].sym))
else: internalError(n.sons[i].info, "jsgen: genAsmStmt()") else: internalError(n.sons[i].info, "jsgen: genAsmOrEmitStmt()")
proc genIf(p: PProc, n: PNode, r: var TCompRes) = proc genIf(p: PProc, n: PNode, r: var TCompRes) =
var cond, stmt: TCompRes var cond, stmt: TCompRes
@ -1569,6 +1568,12 @@ proc genStmt(p: PProc, n: PNode) =
gen(p, n, r) gen(p, n, r)
if r.res != nil: addf(p.body, "$#;$n", [r.res]) if r.res != nil: addf(p.body, "$#;$n", [r.res])
proc genPragma(p: PProc, n: PNode) =
for it in n.sons:
case whichPragma(it)
of wEmit: genAsmOrEmitStmt(p, it.sons[1])
else: discard
proc gen(p: PProc, n: PNode, r: var TCompRes) = proc gen(p: PProc, n: PNode, r: var TCompRes) =
r.typ = etyNone r.typ = etyNone
r.kind = resNone r.kind = resNone
@ -1668,12 +1673,13 @@ proc gen(p: PProc, n: PNode, r: var TCompRes) =
if n.sons[0].kind != nkEmpty: if n.sons[0].kind != nkEmpty:
genLineDir(p, n) genLineDir(p, n)
gen(p, n.sons[0], r) gen(p, n.sons[0], r)
of nkAsmStmt: genAsmStmt(p, n) of nkAsmStmt: genAsmOrEmitStmt(p, n)
of nkTryStmt: genTry(p, n, r) of nkTryStmt: genTry(p, n, r)
of nkRaiseStmt: genRaiseStmt(p, n) of nkRaiseStmt: genRaiseStmt(p, n)
of nkTypeSection, nkCommentStmt, nkIteratorDef, nkIncludeStmt, of nkTypeSection, nkCommentStmt, nkIteratorDef, nkIncludeStmt,
nkImportStmt, nkImportExceptStmt, nkExportStmt, nkExportExceptStmt, nkImportStmt, nkImportExceptStmt, nkExportStmt, nkExportExceptStmt,
nkFromStmt, nkTemplateDef, nkMacroDef, nkPragma: discard nkFromStmt, nkTemplateDef, nkMacroDef: discard
of nkPragma: genPragma(p, n)
of nkProcDef, nkMethodDef, nkConverterDef: of nkProcDef, nkMethodDef, nkConverterDef:
var s = n.sons[namePos].sym var s = n.sons[namePos].sym
if {sfExportc, sfCompilerProc} * s.flags == {sfExportc}: if {sfExportc, sfCompilerProc} * s.flags == {sfExportc}: